CN110030424A

CN110030424A - A kind of valve remote control terminal and its working method suitable for wisdom agricultural

Info

Publication number: CN110030424A
Application number: CN201910223361.5A
Authority: CN
Inventors: 张建福
Original assignee: Shenzhen Lianzhi Internet Of Things Technology Co Ltd
Current assignee: Shenzhen Lianzhi Internet Of Things Technology Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-07-19
Anticipated expiration: 2039-03-22
Also published as: CN110030424B

Abstract

The present invention relates to wisdom the technical field of the Agricultural Internet of Things, disclose a kind of valve remote control terminal and its working method suitable for wisdom agricultural.It creates through the invention, on the one hand power amplifier and antenna element are received and dispatched using by half-duplex, wireless transceiver circuit unit, the valve remote wireless control access that micro-control circuit unit and valve control module are constituted, the wireless receiving of control instruction message may be implemented and execute the purpose of respective valves control according to control instruction message, on the other hand using by micro-control circuit unit, the Energy Saving Control access that power amplifier power-supplying circuit unit and half-duplex transmitting-receiving power amplifier and antenna element are constituted, power amplifier can be received and dispatched to the half-duplex in suspend mode and antenna element carries out lower electric power-save operation, start so as to periodicity or intermittence and receives control instruction message, realize the purpose of end cell energy conservation and delay cruising ability, it is more applicable for the valve remote control terminal in wisdom agricultural scene.

Description

A kind of valve remote control terminal and its working method suitable for wisdom agricultural

Technical field

The invention belongs to wisdom the technical field of the Agricultural Internet of Things, and in particular to a kind of valve suitable for wisdom agricultural is long-range Controlling terminal and its working method.

Background technique

Wisdom agricultural is advanced application of the technology of Internet of things in modern agriculture field, i.e., carries out with sensor and software remote Journey monitoring, and agricultural production is controlled by mobile platform or computer platform, make traditional agriculture with more " wisdom ".It removes Outside accurate perception, control and decision-making management, from saying in broad sense, wisdom agricultural further includes that electronic commerce of agriculture, food trace back Source is anti-fake, agriculture amusement and travel, agricultural information service etc. content.Current wisdom agricultural technology of Internet of things mainly includes There are following several function systems.

(1) monitoring function system: the plant growth environment information obtained according to wireless network such as monitors soil moisture, soil (other parameters can also be matched the parameters such as earth temperature, air themperature, air humidity, intensity of illumination, plant nutrient content, such as soil PH value and conductivity in earth etc.).Information collects, is responsible for receiving data, the storage, display that wireless sensing aggregation node is sent And data management, acquisition, management, Dynamically Announce and the analysis processing of all base test point information are realized, with intuitive chart It is shown to user with the mode of curve, and automatic irrigation, automatic drop are carried out to Agricultural Park according to the feedback of the above various information Temperature, automatically volume mould, automatic progress liquid fertilizer fertilising and the automatic control such as spray behavior automatically.

(2) monitoring function system: realizing automatic information Detection & Controling in Agricultural Park, by being equipped with wireless sensing section Point, solar electric power supply system, information collection and information router equipment are equipped with wireless sensing Transmission system, and each basic point configuration is wireless Sensing node, each wireless sensing node can monitor soil moisture, the soil moisture, air themperature, air humidity, intensity of illumination, The parameters such as plant nutrient content.And various sound-light alarm information and SMS alarm information are provided according to the demand of long-term cropping.

(3) realtime graphic and video monitoring function system: the basic conception of agriculture Internet of Things be realize agriculturally crop with The relational network that object object between environment, soil and fertility is connected realizes crops most by multidimensional information and multi-level processing Good growing environment conditioning and fertilizing management.But as management agricultural production personnel for, the object object only to quantize is connected Crop the best growing condition can not be built completely.Video provides more intuitively with picture control being associated between object and object Expression way.Such as: which block ground water shortage is only capable of seeing that moisture data is relatively low in Internet of Things single layer data, it should fill Any degree is irrigate, and cannot extremely remove and do decision only according to this data with applying arbitrarily.Because agriculture production environment is not Uniformity determines the congenital drawback that Agricultural Information obtains, and is difficult to be broken through from simple technological means.Video The reference of monitoring intuitively reflects the real-time status of production estimation, introduces video image and image procossing, both can be intuitively anti- Reflect the growth growing way of some crops, the integrality and trophic level of plant growth can also be reflected with side, so as to from More scientific planting decision-making theoretical foundation is provided to peasant household on the whole.

In above-mentioned several big function systems, for completing the controls such as automatic irrigation, automatic spray and liquid fertilizer automatic fertilization The valve arrangement of behavior processed is one of essential key equipment, but these valve arrangements generally need the discrete arrangement in field, In order to avoid powering and communicating the trouble of cabling, generallys use battery and power and carry out telecommunication control using wireless internet of things network System, therefore certainly exists the terminal energy saving requirement of valve arrangement, it is necessary to design and a both be able to achieve remote wireless control behavior The novel valve remote control terminal of end cell cruising ability can be extended again.

Summary of the invention

In order to solve existing valve remote control terminal wireless control and in terms of demand, the present invention It is designed to provide a kind of valve remote control terminal and its working method suitable for wisdom agricultural.

The technical scheme adopted by the invention is as follows:

A kind of valve remote control terminal suitable for wisdom agricultural, including micro-control circuit unit, wireless transceiver circuit Unit, half-duplex transmitting-receiving power amplifier and antenna element, power amplifier power-supplying circuit unit and several valve control modules, In, the valve control module includes driving circuit for electromagnetic valve unit and the electricity for being electrically connected the driving circuit for electromagnetic valve unit Magnet valve；

The micro-control circuit unit, the wireless transceiver circuit unit and half-duplex transmitting-receiving power amplifier and antenna Unit successively communicates to connect, and the power amplifier of the micro-control circuit unit enables output end and is electrically connected the power amplifier power-supplying circuit The controlled end of unit, the power supply output end of the power amplifier power-supplying circuit unit are electrically connected the half-duplex and receive and dispatch power amplifier And the power supply incoming end of antenna element, the first output end of the micro-control circuit unit are electrically connected the driving circuit for electromagnetic valve The controlled end of unit.

Optimization, the valve control module further includes having flow sensor corresponding with solenoid valve, wherein the flow The output end of sensor is electrically connected the first input end of the micro-control circuit unit.

Optimization, the solenoid valve uses impulse electromagnetic valve, and the driving circuit for electromagnetic valve unit uses model The motor driving chip of AT9110 and include first capacitor, the second capacitor and first resistor, wherein the motor driving chip OA pin and OB pin be electrically connected the path of winding both ends of impulse electromagnetic valve, the both ends of the first capacitor are electrically connected respectively The OA pin and OB pin of the motor driving chip are connect, the IA pin and IB pin of the motor driving chip are electrically connected Two the first output ends of the micro-control circuit unit, the VCC pin electrical connection of the motor driving chip first electricity One end of resistance, the GND pin ground connection of the motor driving chip, the other end of the first resistor are electrically connected described second One end of capacitor and battery-powered incoming end, the other end ground connection of second capacitor.

Optimization, the power amplifier power-supplying circuit unit uses the low voltage difference line of model MCP1824T-3302e/OT Property voltage stabilizing chip and include third capacitor, the 4th capacitor, the 5th capacitor and second resistance, wherein the low pressure difference linearity is steady Press chipPin is electrically connected the micro-control circuit list as the controlled end of the power amplifier power-supplying circuit unit The power amplifier of member enables output end, and the VIN pin of the low pressure difference linearity voltage stabilizing chip is electrically connected battery power supply incoming end, institute State one end of third capacitor and one end of the 4th capacitor, the GND pin of the low pressure difference linearity voltage stabilizing chip, the third The other end of the other end of capacitor and the 4th capacitor is grounded respectively, the VOUT pin point of the low pressure difference linearity voltage stabilizing chip It is not electrically connected the power supply output end of the power amplifier power-supplying circuit unit, one end of the 5th capacitor and the second resistance One end, the PWRGD pin of the low pressure difference linearity voltage stabilizing chip is electrically connected the other end of the second resistance, the 5th electricity The other end of appearance is grounded.

Optimization, half-duplex transmitting-receiving power amplifier and antenna element using model SE2611T power amplifier chips and The single channel reverser of model SN74LVC1G04DBVT and include the 6th capacitor and the 7th capacitor, wherein the power amplifier chips LEN pin and CRX pin be electrically connected the Y pin of the single channel reverser, the PEN pin and CTX of the power amplifier chips The A pin of pin and the single channel reverser is electrically connected the half-duplex transmitting-receiving switching of the wireless transceiver circuit unit The TX pin at end, the power amplifier chips is electrically connected the radio frequency letter of the wireless transceiver circuit unit after the 6th capacitor of connecting The RX pin of number connecting pin, the power amplifier chips is electrically connected the wireless transceiver circuit unit after the 6th capacitor of connecting Radiofrequency signal connecting pin.

Another technical solution of the present invention are as follows:

It is a kind of as previously described suitable for wisdom agricultural valve remote control terminal working method, including suspend mode with Awakening mode；

The suspend mode comprises the following steps that

S101. after determining into suspend mode, micro-control circuit unit and wireless transceiver circuit unit enter energy saving work Make state, while enabling output end in power amplifier by the control of micro-control circuit unit and exporting the first level signal, supplies the power amplifier The power supply output end of electric control circuit unit exports low level voltage, electricity under the half-duplex transmitting-receiving power amplifier and antenna element It stops work；

The awakening mode comprises the following steps that

S201. after determining into awakening mode, micro-control circuit unit and wireless transceiver circuit unit enter normal work Make state, while enabling output end output second electrical level signal in power amplifier by the control of micro-control circuit unit, supplies the power amplifier The power supply output end output high level voltage of electric control circuit unit, the half-duplex transmitting-receiving power amplifier and antenna element power on Work；

S202. by micro-control circuit unit by wireless transceiver circuit unit control the half-duplex receive and dispatch power amplifier and Antenna element enters either simplex reception state: if receiving terminal wakeup message on schedule on waking up channel, S203 is thened follow the steps, it is no It then determines and enters suspend mode；

If S203. receiving on a control channel includes that target terminal unique identification information and target valve are uniquely marked on schedule The valve control instruction message for knowing information, thens follow the steps S204, otherwise determines and enters suspend mode, wherein the valve control Instruction message processed is valve turn-on command message, valve cutoff command message or valve transfer instruction message；

S204. the target terminal unique identification information as described in micro-control circuit unit judges and local terminal unique identification are believed Whether breath matches, if matching, according to valve control instruction message control and the target valve unique identification information pair The valve control module answered executes following movement: by driving circuit for electromagnetic valve unit drive magnetic valve conduction and cut-off, then by Micro-control circuit unit controls the half-duplex transmitting-receiving power amplifier by wireless transceiver circuit unit and antenna element enters list Work emission state: feedback valve door controls response message on an acknowledgment channel, and otherwise return step S203 continues to listen to control channel.

Optimization, when the valve control module, which further includes, flow sensor corresponding with solenoid valve, then passing through After the conducting of driving circuit for electromagnetic valve unit drive magnetic valve:

It is read in real time by micro-control circuit unit and adds up the data on flows from flow sensor, when accumulated result reaches When the flow limit indicated in the valve control instruction message, cut by driving circuit for electromagnetic valve unit drive magnetic valve Only, it then determines and enters suspend mode.

Optimization, it is micro- if the valve control instruction message also includes that password authentication selects information and password information Control circuit unit is before control valve control module executes corresponding actions:

It first selects information to search the correspondence password content prestored in local storage according to the password authentication, then sentences Whether the disconnected password content found is consistent with the password information, the admissions control if consistent, otherwise refusal control, wherein The password authentication selection information is used to indicate password unique identification corresponding with the password information.

Optimization, if password authentication selection information and/or the password information are in the valve control instruction message In be encrypted, and the valve control instruction message also include Encryption Algorithm selection information/and encryption key select information, then Micro-control circuit unit is decrypted as follows obtains the password authentication selection information and/or the password information:

First according to the Encryption Algorithm select information searched in local storage the correspondence decipherment algorithm/prestored and according to The encryption key selection information searches the correspondence decruption key prestored in local storage, then using the decryption found Algorithm/and decryption key decryption obtain the password authentication selection information and/or the password information, wherein the encryption is calculated Method selection information, which is used to indicate to use during encrypting the password authentication selection information and/or the password information, to be added The algorithm unique identification of close algorithm, the encryption key selection information, which is used to indicate, is encrypting the password authentication selection information And/or during the password information used encryption key key unique identification.

Optimization, in the step S202, if the terminal wakeup message is broadcast message, the terminal wake-up disappears Breath also includes source address invalid bit and/or broadcast address invalid bit, wherein the source address invalid bit is used to indicate described Source address information is not present in terminal wakeup message, the broadcast address invalid bit is used to indicate in the terminal wakeup message There is no broadcast address information, the source address information is used to indicate the identity of the sender of the terminal wakeup message, described wide Broadcast recipient's identity that address information is used to indicate the terminal wakeup message.

The invention has the benefit that

(1) the invention provides one kind and had not only been able to achieve remote wireless control behavior but also can extend end cell continuation of the journey energy On the one hand the novel valve remote control terminal of power utilizes and receives and dispatches power amplifier and antenna element, wireless receiving and dispatching electricity by half-duplex The valve remote wireless control access that road unit, micro-control circuit unit and valve control module are constituted may be implemented control and refer to It enables the wireless receiving of message and executes the purpose of respective valves control according to control instruction message, on the other hand utilize by micro-control Circuit unit, power amplifier power-supplying circuit unit and half-duplex transmitting-receiving power amplifier and the Energy Saving Control of antenna element composition processed are logical Road can receive and dispatch power amplifier to the half-duplex in suspend mode and antenna element carries out lower electric power-save operation, so as to week Start to phase property or intermittence and receive control instruction message, realizes the purpose of end cell energy conservation and delay cruising ability, make The valve remote control terminal is more applicable in wisdom agricultural scene；

(2) by using the working method comprising suspend mode and awakening mode, further valve can be promoted remotely to control For terminal processed during completing valve remote control operation, it is energy saving to carry out suspend mode to make full use of various inessential awakening time slots, Reach optimal energy saving purpose；

(3) by applying password verification scheme and information encryption mechanism in working method, can be illegal to avoid execution Valve control instruction realizes the purpose to ensure information safety in remote control process；

(4) also there is the valve remote control terminal reiving/transmitting state can indicate, electric power thus supplied can monitor, circuit structure letter The advantages that list is with product realization is easy to, is convenient for practical promotion and application.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is the circuit structure block diagram of valve remote control terminal provided by the invention.

Fig. 2 is the micro-control circuit unit in valve remote control terminal and reiving/transmitting state indicating circuit provided by the invention The circuit diagram of unit.

Fig. 3 is the circuit diagram of the wireless transceiver circuit unit provided by the invention in valve remote control terminal.

Fig. 4 is the transmitting-receiving power amplifier of the half-duplex in valve remote control terminal and antenna element and function provided by the invention Put the circuit diagram of power-supplying circuit unit.

Fig. 5 is the circuit diagram of the valve control module provided by the invention in valve remote control terminal.

Fig. 6 is the power supply circuit unit provided by the invention that works in valve remote control terminal, operating voltage detection electricity Road unit, the circuit diagram for driving power supply circuit unit and driving voltage detection circuit unit.

Specific embodiment

With reference to the accompanying drawing and specific embodiment the present invention is further elaborated.It should be noted that for this The explanation of a little way of example is used to help understand the present invention, but and does not constitute a limitation of the invention.It is disclosed herein specific Structure and function details is only used for description example embodiments of the present invention.However, this hair can be embodied with many alternative forms It is bright, and be not construed as limiting the invention in embodiment set forth herein.

It will be appreciated that though term first, second etc. can be used herein to describe various units, these units are not answered When being limited by these terms.These terms are only used to distinguish a unit and another unit.Such as it can be single by first Member is referred to as second unit, and similarly second unit can be referred to as first unit, real without departing from example of the invention Apply the range of example.

It should be appreciated that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can be with There are three kinds of relationships, for example, A and/or B, can indicate: individualism A, individualism B exist simultaneously tri- kinds of situations of A and B, The terms "/and " are to describe another affiliated partner relationship, indicate may exist two kinds of relationships, can be with for example, A/ and B Indicate: two kinds of situations of individualism A, individualism A and B, in addition, character "/" herein, typicallying represent forward-backward correlation object is A kind of "or" relationship.

It should be appreciated that when by unit referred to as with another unit " connection ", " connected " or " coupling " when, it can with it is another A unit is directly connected or couples or temporary location may exist.Relatively, it is referred to as with another unit " directly when by unit It is connected " or when " direct-coupling ", temporary location is not present.It should explain in a similar manner for describing the relationship between unit Other words (for example, " ... between " to " between directly existing ... ", " adjacent " is to " direct neighbor " etc.).

Terms used herein are only used for description specific embodiment, are not intended to limit example embodiments of the present invention.Such as Used herein, singular "a", "an" and "the" is intended to include plural form, unless phase is explicitly indicated in context The anti-meaning.It should also be understood that term " includes ", " including ", "comprising" and/or " containing " are as used herein, institute is specified The feature of statement, integer, step, operation, unit and/or component existence, and be not excluded for other one or more features, Quantity, step, operation, unit, component and/or their combination existence or increase.

It will be further noted that the function action occurred may be with the sequence of attached drawing appearance in some alternative embodiments It is different.Such as related function action is depended on, it can actually substantially be executed concurrently, or sometimes can be with phase Anti- sequence executes continuously show two figures.

Specific details is provided, in the following description in order to which example embodiment is understood completely.However ability Domain those of ordinary skill is it is to be understood that implementation example embodiment without these specific details.Such as it can be System is shown in block diagram, to avoid with unnecessary details come so that example is unclear.It in other instances, can not be with need not The details wanted shows well-known process, structure and technology, to avoid making example embodiment unclear.

Embodiment one

As shown in figs. 1 to 6, the valve remote control terminal for being suitable for wisdom agricultural provided in this embodiment, including Micro-control circuit unit, wireless transceiver circuit unit, half-duplex transmitting-receiving power amplifier and antenna element, power amplifier power-supplying circuit Unit and several valve control modules, wherein the valve control module includes driving circuit for electromagnetic valve unit and is electrically connected Connect the solenoid valve of the driving circuit for electromagnetic valve unit；The micro-control circuit unit, the wireless transceiver circuit unit and described Half-duplex transmitting-receiving power amplifier and antenna element successively communicate to connect, and the power amplifier of the micro-control circuit unit enables output end PAEN is electrically connected the controlled end of the power amplifier power-supplying circuit unit, the power amplifier power-supplying circuit unit for electricity output End VPA is electrically connected the power supply incoming end of the half-duplex transmitting-receiving power amplifier and antenna element, the micro-control circuit unit First output end is electrically connected the controlled end of the driving circuit for electromagnetic valve unit.

As shown in Figure 1, the micro-control circuit unit is for controlling in the specific structure of the valve remote control terminal Terminal processed carries out the mutual switching between suspend mode and awakening mode: (1) when determination enters suspend mode, controlling this list The first and described wireless transceiver circuit unit enters energy conservation state, while controlling and enabling output end PAEN output first in power amplifier Level signal (such as low level signal) makes the power supply output end VPA of the power amplifier power-supplying circuit unit export low level Voltage, and then electricity under the half-duplex transmitting-receiving power amplifier and antenna element is made to stop work；(2) when determination enters awakening mode, It controls this unit and the wireless transceiver circuit unit enters normal operating conditions, while controlling and enabling output end PAEN in power amplifier It exports second electrical level signal (such as high trigger signal), makes the power supply output end of the power amplifier power-supplying circuit unit VPA output high level voltage, and then the half-duplex transmitting-receiving power amplifier and antenna element is made to work on power, then passing through It states half-duplex transmitting-receiving power amplifier and antenna element and the wireless transceiver circuit unit is received from wireless base station or distal end After the valve control instruction message of equipment, the particular content in the valve control instruction message is identified, finally according to the valve Specific instruction in door control instruction message drives local solenoid valve to execute corresponding by the driving circuit for electromagnetic valve unit The control actions such as control action, such as conducting, cut-off or switching.As shown in Fig. 2, specifically, the micro-control circuit unit can With but be not limited to microcontroller chip U1 and its peripheral circuit using model STM8L052C6TC.

The wireless transceiver circuit unit is used to carry out energy conservation state under the control of the micro-control circuit unit Mutual switching between normal operating conditions, wherein in normal operating conditions according to the finger of the micro-control circuit unit Show, controls the half-duplex transmitting-receiving power amplifier and antenna element carries out cutting between either simplex reception state and either simplex emission state It changes, and in either simplex reception state, receives and dispatches the analog telecommunications that power amplifier and antenna element receive to by the half-duplex Number carry out corresponding modulus processing (such as demodulated, decode and the processing such as message verification), the number letter for then obtaining processing Breath is sent to the micro-control circuit unit, and in either simplex emission state, to from the anti-of the micro-control circuit unit Feedforward information carries out corresponding digital-to-analogue processing processing such as (such as) being packaged, encoded and modulate, the simulation letter for then obtaining processing It number send and to receive and dispatch power amplifier to the half-duplex and antenna element carries out wireless transmission.As shown in figure 3, specifically, described wireless Transmission circuit unit can be, but not limited to the wireless transceiver chip U2 and its peripheral circuit using model CY693940LFXC.

The half-duplex transmitting-receiving power amplifier and antenna element are used for when working on power and in the wireless transceiver circuit The switching between either simplex reception state and either simplex emission state is carried out under the control of unit, so as to wireless base station or remote equipment Carry out half-duplex operation.As shown in figure 4, specifically, half-duplex transmitting-receiving power amplifier and antenna element can be, but not limited to Using the power amplifier chips U3 and model SN74LVC1G04DBVT of model SE2611T single channel reverser U4 and include Six capacitor C40 and the 7th capacitor C41, wherein the LEN pin and CRX pin of the power amplifier chips U3 is electrically connected the list The Y pin of road reverser U4, the A pin of the PEN pin and CTX pin of the power amplifier chips U3 and the single channel reverser U4 It is electrically connected the half-duplex transmitting-receiving switch terminal TX of the wireless transceiver circuit unit, the TX pin of the power amplifier chips U3 is being gone here and there Join the radiofrequency signal connecting pin RFIN that the wireless transceiver circuit unit is electrically connected after the 6th capacitor C40, the power amplifier core The RX pin of piece U3 is electrically connected the radiofrequency signal connecting pin of the wireless transceiver circuit unit after the 6th capacitor C40 that connects RFIN.In conjunction with the chip handbook of the power amplifier chips U3 and the single channel reverser U4 it is found that the A of the single channel reverser U4 draws Foot (input pin as the single channel reverser U4) is used to input the switching electricity from half-duplex transmitting-receiving switch terminal TX It is flat, opposite electricity is then exported by the Y pin of the single channel reverser U4 (output pin as the single channel reverser U4) It puts down to the LEN pin of the power amplifier chips U3 (LNA enable, low-noise amplifier enable pin) and CRX pin (WLAN Receive antenna switch control, WLAN receiving antenna switching control pin) so that described LEN pin and the CRX pin and the PEN pin (Power amplifier enable, power amplifier enable end) and The CTX pin (draw by WLAN transmit antenna switch control, WLAN transmitting antenna switching control Foot) incoming level it is different always, i.e., in the LEN pin and CRX pin input significant level signal (such as high level Signal) when, the PEN pin and the CTX pin can input inactive level signal (such as low level signal), make the power amplifier Chip U3 enters either simplex reception state, and in the LEN pin and CRX pin input inactive level signal (such as low electricity Ordinary mail number) when, the PEN pin and the CTX pin can input significant level signal (such as high level signal), make the function It puts chip U3 and enters either simplex emission state, and then the progress either simplex under the control of the wireless transceiver circuit unit may be implemented and connect Switching purpose between receipts state and either simplex emission state.In addition, TX pin (the WLAN transmit of the power amplifier chips U3 Port, WLAN transmitting terminal) and RX pin (WLAN receive port, WLAN receiving end) respectively as anti- The input terminal of feedback signal and the output end for receiving signal, communicate to connect the radiofrequency signal connecting pin of the wireless transceiver circuit unit RFIN realizes the transmission purpose of unlike signal.

The power amplifier power-supplying circuit unit is for exporting different electricity under the control of the micro-control circuit unit Ordinary telegram pressure, so as to complete to receive and dispatch the half-duplex power amplifier and antenna element power on or under it is electrically operated, and then cooperate phase The awakening mode or suspend mode answered.As shown in figure 4, specifically, the power amplifier power-supplying circuit unit can be, but not limited to Using model MCP1824T-3302e/OT low pressure difference linearity voltage stabilizing chip U5 and include third capacitor Cap4, the 4th electricity Hold C13, the 5th capacitor C14 and second resistance R5, wherein the low pressure difference linearity voltage stabilizing chip U5'sPin (Shutdown pin closes pin) is electrically connected the microcontroller electricity as the controlled end of the power amplifier power-supplying circuit unit The power amplifier of road unit enables output end PAEN (Power amplifier enable), the low pressure difference linearity voltage stabilizing chip U5's VIN pin (i.e. input pin) is electrically connected one end and described the of battery power supply incoming end VBT, the third capacitor Cap4 One end of four capacitor C13, GND pin (i.e. grounding pin), the third capacitor of the low pressure difference linearity voltage stabilizing chip U5 The other end of the other end of Cap4 and the 4th capacitor C13 are grounded respectively, the VOUT of the low pressure difference linearity voltage stabilizing chip U5 Pin (i.e. output pin) is electrically connected the power supply output end VPA of the power amplifier power-supplying circuit unit, the 5th electricity Hold one end of C14 and one end of the second resistance R5, the PWRGD pin of the low pressure difference linearity voltage stabilizing chip U5 is electrically connected institute State the other end of second resistance R5, the other end ground connection of the 5th capacitor C14.In conjunction with the low pressure difference linearity voltage stabilizing chip U5 Chip handbook it is found that the low pressure difference linearity voltage stabilizing chip U5'sIt, can be in institute when pin input low level signal Output low level voltage at VOUT pin is stated, interrupts to the half-duplex and receives and dispatches power amplifier and antenna element power supply, and in institute State low pressure difference linearity voltage stabilizing chip U5'sWhen pin input high level signal, high electricity can be exported at the VOUT pin Ordinary telegram pressure starts to the half-duplex and receives and dispatches power amplifier and antenna element power supply, so as to complete to receive the half-duplex Hair power amplifier and antenna element power on or under it is electrically operated, while also having the advantages that the operating delay time is short.

The valve control module is used under the control of the micro-control circuit unit, by the solenoid-driven The input signal of circuit unit controls, and completes to operate conducting, cut-off or switching of corresponding solenoid valve etc..Specifically, such as Fig. 5 institute Show, in valve control module, the solenoid valve uses impulse electromagnetic valve, the driving circuit for electromagnetic valve unit (in Fig. 5, Driving circuit for electromagnetic valve unit 1~6 is all made of identical circuit structure, this place is specific by taking driving circuit for electromagnetic valve unit 1 as an example Description circuit connecting relation) it can be, but not limited to the motor driving chip DR1 using model AT9110 and include the first electricity Hold C43, the second capacitor C44 and first resistor R22, wherein (i.e. reverse signal is defeated for the OA pin of the motor driving chip DR1 Pin out) and OB pin (i.e. forward signal output pin) be electrically connected impulse electromagnetic valve path of winding both ends (DAT, DBT), the both ends of the first capacitor C43 are electrically connected the OA pin and OB pin of the motor driving chip DR1, described The IA pin (i.e. reverse signal input pin) and IB pin (i.e. positive rotaring signal input pin) of motor driving chip DR1 is electric respectively Two the first output ends (DR1A, DR1B) of the micro-control circuit unit are connected, the VCC of the motor driving chip DR1 draws Foot (i.e. energization pins) is electrically connected one end of the first resistor R22, and the GND pin of the motor driving chip DR1 (is grounded Pin) ground connection, the other end of the first resistor R22 is electrically connected one end of the second capacitor C44 and battery-powered The other end of incoming end VBTs, the second capacitor C44 are grounded.In conjunction with the motor driving chip DR1 chip handbook it is found that When the IA pin inputs reverse signal, reverse current is exported between the OA pin and the OB pin, to pass through institute State impulse electromagnetic valve path of winding driving shutoff valve, and the IB pin input positive rotaring signal when, the OA pin with Forward current is exported between the OB pin, thus by the path of winding driving conducting valve of the impulse electromagnetic valve, thus Conducting, cut-off or switching etc. to corresponding solenoid valve can be completed by carrying out input selection to reverse signal or positive rotaring signal Operation.

In addition, the valve remote control terminal should also include secondary battery unit, to be the micro-control circuit Unit, the wireless transceiver circuit unit, half-duplex transmitting-receiving power amplifier and antenna element, power amplifier power supply control electricity Road unit and the valve control module etc. provide electric energy and support, wherein the secondary battery unit can be, but not limited to as lithium electricity Pond or other batteries.

From there through the aforementioned detailed description to valve remote control terminal, on the one hand utilize by half-duplex transmitting-receiving power amplifier electricity The valve long distance wireless that road and antenna element, wireless transceiver circuit unit, micro-control circuit unit and valve control module are constituted Control access may be implemented the wireless receiving of control instruction message and execute respective valves control according to control instruction message Purpose, on the other hand utilize by micro-control circuit unit, power amplifier power-supplying circuit unit and half-duplex receive and dispatch power amplifier and The Energy Saving Control access that antenna element is constituted can receive and dispatch power amplifier to the half-duplex in suspend mode and antenna element carries out It is lower electricity power-save operation, start so as to periodicity or intermittence receive control instruction message, realize end cell energy conservation with And the purpose of delay cruising ability, it is more applicable for the valve remote control terminal in wisdom agricultural scene.

In order to further realize end cell energy conservation purpose, the aforementioned valve remote control terminal suitable for wisdom agricultural Working method, can also include suspend mode and awakening mode, wherein the suspend mode can be, but not limited to include step such as Lower S101:

S101. after determining into suspend mode, micro-control circuit unit and wireless transceiver circuit unit enter energy saving work Make state, while enabling output end PAEN in power amplifier by the control of micro-control circuit unit and exporting the first level signal, makes the function Put the power supply output end VPA output low level voltage of power-supplying circuit unit, the half-duplex transmitting-receiving power amplifier and antenna Electricity is stopped work under unit.

In the step S101, if determined according to the actual situation into suspend mode by the micro-control circuit unit It is fixed, once into suspend mode, the micro-control circuit unit and the wireless transceiver circuit unit all will be with most power save modes Maintain most basic work, such as timework etc., while half-duplex transmitting-receiving power amplifier and antenna element by lower electricity and Non-energy-consumption loss so can save a large amount of electric energy in the dormant stage.

In addition, the awakening mode can be, but not limited to include that steps are as follows S201~S204.

S201. after determining into awakening mode, micro-control circuit unit and wireless transceiver circuit unit enter normal work Make state, while enabling output end PAEN output second electrical level signal in power amplifier by the control of micro-control circuit unit, makes the function The power supply output end VPA output high level voltage for putting power-supplying circuit unit, start half-duplex transmitting-receiving power amplifier and Antenna element works on power.

In the step S201, if determined according to the actual situation into awakening mode by the micro-control circuit unit It is fixed, once into awakening mode, the micro-control circuit unit and the wireless transceiver circuit unit will all restore to work normally, The half-duplex transmitting-receiving power amplifier and antenna element will power on simultaneously, prepare to receive or emit idle message at any time.

S202. by micro-control circuit unit by wireless transceiver circuit unit control the half-duplex receive and dispatch power amplifier and Antenna element enters either simplex reception state: if receiving terminal wakeup message on schedule on waking up channel, S203 is thened follow the steps, it is no It then determines and enters suspend mode.

In the step S202, the terminal wakeup message is from wireless base station/remote equipment and for waking up The dedicated idle message of intermittence suspend mode terminal (the valve remote control terminal i.e. in the present embodiment) wakes up to improve terminal Probability is preferably sent in the following way: wake up channel on and within the first period continuity the period send it is more A terminal wakeup message, wherein the terminal wakeup message includes that the first period duration information and current message are sent Clock information, the first period duration information are used to indicate the duration t of first period, the current message tranmitting data register Information is used to indicate the timestamp t from the initial time of the first period to current message sending instant_x.Matched by aforementioned information It sets, intermittence suspend mode terminal can be made to obtain the first period duration information and the current message tranmitting data register information Afterwards, it is known that the transmission end time of terminal wakeup message described in epicycle, and then a longer temporary sleep time can be set (i.e. t-t_x) it is timed suspend mode (enter of short duration suspend mode), it wakes up again (i.e. again after directly sleeping transmission Into awakening mode), to be conducive to terminal energy conservation.In addition, the wake-up channel is to be exclusively used in launch terminal in eating dishes without rice or wine to wake up phase Close the dedicated channel of message (the including but not limited to described terminal wakeup message).

Optimize in detail, the duration t of first period is greater than the sleep cycle T of intermittence suspend mode terminal, the sleep Cycle T includes the period sleep time T of intermittence suspend mode terminal_sleepWith period awakening duration T_wake, the terminal wakeup message Sending cycle be less than wireless terminal period awaken duration T_wake.It is arranged by aforementioned duration, it can be ensured that intermittence suspend mode Terminal can completely receive the terminal wakeup message in the awakening duration of any one sleep cycle, prevent to occur waking up to lose Leakage.Citing, the duration T if the period awakens_wakeFor 100ms, the period sleep time T_sleepFor 3900ms, then intermittence The sleep cycle of suspend mode terminal is 4 seconds, and the sending cycle may be designed as 60ms (assuming that when the transmission of the terminal wakeup message A length of 50ms reserves the time slot spacing of 10ms), the duration of first period may be designed as 4020ms, can continuously transmit 67 The secondary terminal wakeup message.

Optimize in detail, is controlled to wake up all intermittence suspend mode terminals to complete further remote valve door, institute Stating terminal wakeup message may be designed as broadcasting the message, for intermittence suspend mode terminal, it may not be necessary to know the end Hold the identity of the sender and/or recipient's identity of wakeup message, thus the terminal wakeup message also may include source address without Imitate position and/or broadcast address invalid bit, wherein the source address invalid bit is used to indicate does not deposit in the terminal wakeup message In source address information, the broadcast address invalid bit is used to indicate is not present broadcast address letter in the terminal wakeup message Breath, the source address information are used to indicate the identity of the sender of the terminal wakeup message, and the broadcast address information is for referring to Show recipient's identity of the terminal wakeup message.By the address default configuration of aforementioned terminals wakeup message, can effectively contract Short message length (can generally shorten 4 bytes or 8 bytes) and transmission duration, are not only conducive to sender of the message's energy conservation, improve channel Utilization rate, can also effectively shorten intermittence suspend mode terminal period awakening duration, further be conducive to terminal energy conservation.

If S203. receiving on a control channel includes that target terminal unique identification information and target valve are uniquely marked on schedule The valve control instruction message for knowing information, thens follow the steps S204, otherwise determines and enters suspend mode, wherein the valve control Instruction message processed is valve turn-on command message, valve cutoff command message or valve transfer instruction message.

In the step S203, the valve control instruction message is from wireless base station/remote equipment and to be used for Valve remote control terminal is instructed to execute the dedicated idle message of the concrete operations such as valve conduction and cut-off/switching, wherein described Valve turn-on command message is for instructing valve remote control terminal to execute valve conducting operation, the valve cutoff command message For instructing valve remote control terminal to execute valve cut-off operation, the valve transfer instruction message is for instructing valve long-range Controlling terminal executes valve transfer operation (be switched to cut-off from conducting or be switched to conducting from cut-off).Optimize in detail, when The valve control instruction message package contains control task unique identification and temporary sleep duration, then receives the valve listening to After control instruction message, if respective valves control task is completed according to control task unique identification discovery, according to institute It states temporary sleep duration and determines the suspend mode for entering timing.Subsequent step S204 so can be no longer executed, avoids repeating Mistake is controlled with appearance, and realizes timely suspend mode, is further conducive to terminal energy conservation.In addition, the control channel is in eating dishes without rice or wine It is exclusively used in the dedicated channel of launch terminal control related news (the including but not limited to described valve control instruction message), with institute Stating wake-up channel may be the same or different.

In the step S204, the valve control response message is to indicate this valve to wireless base station/remote equipment Door remotely controls successful idle message.In addition, the acknowledgement channel is to be exclusively used in launch terminal in eating dishes without rice or wine to respond related news The dedicated channel of (the including but not limited to described valve control response message), can with the wake-up channel or the control channel With identical, can also be different.

It advanced optimizes, it is whether legal in order to verify wireless base station/remote equipment, " pseudo-base station " problem is prevented, And avoid executing illegal valve control instruction, in the present embodiment, the valve control instruction message will also include Password authentication selects information and password information, and such micro-control circuit unit executes corresponding actions in control valve control module Before: it also needs first to select information to search the correspondence password content prestored in local storage according to the password authentication, then sentence Whether the disconnected password content found is consistent with the password information, the admissions control if consistent, otherwise refusal control, wherein The password authentication selection information is used to indicate password unique identification corresponding with the password information.Due to the password authentication Selection information and the corresponding relationship of password content are preset in advance in legal valve remote control terminal, and be preset in advance Password authentication selection information in legitimate base station/remote equipment is consistent with the corresponding relationship of the password information, and aforementioned Corresponding relationship is not preset in " pseudo-base station ", therefore the valve remote control terminal can be voluntarily according to password content and mouth The check results of information are enabled to determine whether the wireless base station/remote equipment for initiating control message is legal, and only when confirming legal Just allow control valve, it is possible thereby to effectively evade the security risk that " pseudo-base station " sends illegal control-message, realizes long-range The purpose to ensure information safety in control process.

Optimize in detail, in order to further ensure that the transmission of the password authentication selection information and/or the password information Safety, prevents from being intercepted in the air by other " hacker " websites, it is therefore necessary to aforementioned important information encrypted, therefore In the present embodiment, also make the password authentication selection information and/or the password information in the valve control instruction message It is encrypted, and the valve control instruction message is made also to include that Encryption Algorithm selection information/and encryption key select information, such as This described micro-control circuit unit, which also needs to decrypt as follows, obtains the password authentication selection information and/or the password Information: first information is selected to search the correspondence decipherment algorithm/prestored in local storage and according to institute according to the Encryption Algorithm It states encryption key selection information and searches the correspondence decruption key prestored in local storage, then calculated using the decryption found Method/and decryption key decryption obtain the password authentication selection information and/or the password information, wherein the Encryption Algorithm Selection information, which is used to indicate, uses encryption during encrypting the password authentication selection information and/or the password information The algorithm unique identification of algorithm, encryption key selection information be used to indicate encrypt the password authentication selection information and/ Or during the password information used encryption key key unique identification.Wherein, the Encryption Algorithm selects information Be preset in valve remote control terminal in advance with the corresponding relationship of decipherment algorithm, and be preset at legitimate base station/distal end in advance Encryption Algorithm selection information in equipment is consistent with the corresponding relationship of Encryption Algorithm；The encryption key selection information and solution The corresponding relationship of key is preset in advance in valve remote control terminal, and be preset at legitimate base station/remote equipment in advance In the encryption key selection information it is consistent with the corresponding relationship of encryption key.Before cannot being predicted in advance due to " hacker " equipment Corresponding relationship is stated, therefore is difficult to crack to obtain the password authentication selection information and/or the password information, can further be mentioned Rise information security.

From there through the detailed step of aforementioned suspend mode and awakening mode, further valve can be promoted remotely to control end End makes full use of various inessential awakening time slots to carry out suspend mode energy conservation, reaches during completing valve remote control operation Optimal energy conservation purpose.It, can be to avoid executing illegal valve in addition, by applying password verification scheme and information encryption mechanism Control instruction realizes the purpose to ensure information safety in remote control process.

Optimization, in the valve remote control terminal, the valve control module further include have it is corresponding with solenoid valve Flow sensor, wherein the output end IOT1~2 of the flow sensor is electrically connected the first of the micro-control circuit unit Input terminal.As described in figures 1 and 5, the flow sensor is used to be arranged in (such as supplies water with the pipeline of corresponding solenoid valve binding In pipeline), and the data on flows that acquisition is acquired in the pipeline is sent to the micro-control circuit unit, it is quantitative to realize The precision of conducting controls purpose, such as 100 liters of irrigation water is supplied in conducting.Thus in the step S204, further Optimization, after being connected by driving circuit for electromagnetic valve unit drive magnetic valve: being read and tired out in real time by micro-control circuit unit The data on flows from flow sensor is counted, when accumulated result reaches the Flow Limit indicated in the valve control instruction message When volume, ended by driving circuit for electromagnetic valve unit drive magnetic valve, then determines and enter suspend mode.It is passed by aforementioned flow The configuration of sensor and corresponding steps explanation may be implemented the quantitative conducting control purpose of automation, no longer need to receive new valve Control instruction message can also carry out automation cut-off control according to preset condition, promote the wisdom of existing agricultural.

Optimization, further include reiving/transmitting state indicating circuit unit, wherein described in the valve remote control terminal Reiving/transmitting state indicating circuit unit includes bidirectional luminescence diode (LED) s, 3rd resistor R12 and the 4th resistance R16, described two-way One end of Light-emitting diode LED s is electrically connected the second output terminal LEDB of the micro-control circuit unit, two pole of bidirectional luminescence The other end of pipe LEDs is electrically connected one end of the 3rd resistor R12 and one end of the 4th resistance R16, the third The other end of resistance R12 is electrically connected the third output end LEDA of the micro-control circuit unit, and the 4th resistance R16's is another End ground connection.It as illustrated in fig. 1 and 2, can be in either simplex reception state or either simplex by the way that the reiving/transmitting state indicating circuit unit is arranged When emission state, different electricity are exported by the second output terminal LEDB and third output end LEDA in the micro-control circuit unit It is flat, so that the bidirectional luminescence diode (LED) s is issued different colors to indicate corresponding reiving/transmitting state, such as issue feux rouges and refer to Show either simplex emission state, issues green light and indicate either simplex reception state, and then equipment detection and verifying can be carried out in favor of user.

Optimization, further include work power supply circuit unit and operating voltage detection in the valve remote control terminal Circuit unit and driving power supply circuit unit and driving voltage detection circuit unit, wherein the operating voltage detection circuit list The detection voltage output end ADCW of member and the detection voltage output end ADCD of the driving voltage detection circuit unit are electrically connected respectively Connect the second input terminal of the micro-control circuit unit.As described in Fig. 1 and 6, by configuring the operating voltage detection circuit list Whether the work power supply that member can detecte end cell is normal, can detecte by configuring the driving voltage detection circuit unit Whether the driving power supply of solenoid valve is normal, can be discovered if abnormal, by the micro-control circuit unit, so as to wireless base Stand/remote equipment reports to send and indicates that abnormal warning message occurs in corresponding electric power thus supplied.

To sum up, using valve remote control terminal and its work side for being suitable for wisdom agricultural provided by the present embodiment Method has the following technical effect that

(1) one kind is present embodiments provided not only to be able to achieve remote wireless control behavior but also end cell cruising ability can be extended Novel valve remote control terminal, on the one hand utilize and power amplifier and antenna element, wireless transceiver circuit received and dispatched by half-duplex The valve remote wireless control access that unit, micro-control circuit unit and valve control module are constituted, may be implemented control instruction The wireless receiving of message and the purpose that respective valves control is executed according to control instruction message, on the other hand utilize by microcontroller The Energy Saving Control that circuit unit, power amplifier power-supplying circuit unit and half-duplex transmitting-receiving power amplifier and antenna element are constituted is logical Road can receive and dispatch power amplifier to the half-duplex in suspend mode and antenna element carries out lower electric power-save operation, so as to week Start to phase property or intermittence and receive control instruction message, realizes the purpose of end cell energy conservation and delay cruising ability, make The valve remote control terminal is more applicable in wisdom agricultural scene；

Multiple embodiments described above are only schematical, wherein described, unit can as illustrated by the separation member It is physically separated with being or may not be, component shown as a unit may or may not be physics list Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness Labour in the case where, it can understand and implement.

Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers It enables with so that a computer equipment executes method described in certain parts of each embodiment or embodiment.

The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features.And these modification or Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Finally it should be noted that the present invention is not limited to above-mentioned optional embodiment, anyone is in enlightenment of the invention Under can all obtain other various forms of products.Above-mentioned specific embodiment should not be understood the limit of pairs of protection scope of the present invention System, protection scope of the present invention should be subject to be defined in claims, and specification can be used for explaining that right is wanted Seek book.

Claims

1. a kind of valve remote control terminal suitable for wisdom agricultural, it is characterised in that: including micro-control circuit unit, wirelessly Transmission circuit unit, half-duplex transmitting-receiving power amplifier and antenna element, power amplifier power-supplying circuit unit and the control of several valves Module, wherein the valve control module includes driving circuit for electromagnetic valve unit and is electrically connected the driving circuit for electromagnetic valve The solenoid valve of unit；

The micro-control circuit unit, the wireless transceiver circuit unit and half-duplex transmitting-receiving power amplifier and antenna element It successively communicates to connect, the power amplifier of the micro-control circuit unit enables output end (PAEN) and is electrically connected the power amplifier power supply control electricity The controlled end of road unit, the power supply output end (VPA) of the power amplifier power-supplying circuit unit are electrically connected the half-duplex transmitting-receiving First output end of the power supply incoming end of power amplifier and antenna element, the micro-control circuit unit is electrically connected the solenoid valve The controlled end of drive circuit unit.

2. a kind of valve remote control terminal suitable for wisdom agricultural as described in claim 1, it is characterised in that: the valve Door control module further includes having flow sensor corresponding with solenoid valve, wherein the output end of the flow sensor (IOT1~ 2) it is electrically connected the first input end of the micro-control circuit unit.

3. a kind of valve remote control terminal suitable for wisdom agricultural as described in claim 1, it is characterised in that: the electricity Magnet valve uses impulse electromagnetic valve, and the driving circuit for electromagnetic valve unit uses the motor driving chip (DR1) of model AT9110 It and include first capacitor (C43), the second capacitor (C44) and first resistor (R22), wherein the motor driving chip (DR1) OA pin and OB pin be electrically connected the path of winding both ends (DAT, DBT) of impulse electromagnetic valve, the first capacitor (C43) Both ends be electrically connected the OA pin and OB pin of the motor driving chip (DR1), the motor driving chip (DR1) IA pin and IB pin are electrically connected two the first output ends (DR1A, DR1B) of the micro-control circuit unit, the horse One end of the first resistor (R22) is electrically connected up to the VCC pin of driving chip (DR1), the motor driving chip (DR1) GND pin ground connection, the other end of the first resistor (R22) are electrically connected one end and the battery of second capacitor (C44) Group power supply incoming end (VBTs), the other end ground connection of second capacitor (C44).

4. a kind of valve remote control terminal suitable for wisdom agricultural as described in claim 1, it is characterised in that: the function Power-supplying circuit unit is put using the low pressure difference linearity voltage stabilizing chip (U5) of model MCP1824T-3302e/OT and includes Third capacitor (Cap4), the 4th capacitor (C13), the 5th capacitor (C14) and second resistance (R5), wherein the low pressure difference linearity Voltage stabilizing chip (U5)Pin is electrically connected the microcontroller as the controlled end of the power amplifier power-supplying circuit unit The power amplifier of circuit unit enables output end (PAEN), and the VIN pin of the low pressure difference linearity voltage stabilizing chip (U5) is electrically connected Battery power supply incoming end (VBT), one end of the third capacitor (Cap4) and one end of the 4th capacitor (C13), it is described low The GND pin of pressure difference linear regulator chip (U5), the other end of the third capacitor (Cap4) and the 4th capacitor (C13) The other end is grounded respectively, and the VOUT pin of the low pressure difference linearity voltage stabilizing chip (U5) is electrically connected the power amplifier power supply control Power supply output end (VPA), one end of the 5th capacitor (C14) and one end of the second resistance (R5) of circuit unit, institute The PWRGD pin for stating low pressure difference linearity voltage stabilizing chip (U5) is electrically connected the other end of the second resistance (R5), the 5th electricity Hold the other end ground connection of (C14).

5. a kind of valve remote control terminal suitable for wisdom agricultural as described in claim 1, it is characterised in that: described half Duplex transmitting-receiving power amplifier and antenna element use the power amplifier chips (U3) and model of model SE2611T The single channel reverser (U4) of SN74LVC1G04DBVT and include the 6th capacitor (C40) and the 7th capacitor (C41), wherein described The LEN pin and CRX pin of power amplifier chips (U3) are electrically connected the Y pin of the single channel reverser (U4), the power amplifier core The PEN pin and CTX pin of piece (U3) and the A pin of the single channel reverser (U4) are electrically connected the wireless receiving and dispatching electricity Switch terminal (TX) is received and dispatched in the half-duplex of road unit, and the TX pin of the power amplifier chips (U3) is in the 6th capacitor (C40) of connecting It is electrically connected the radiofrequency signal connecting pin (RFIN) of the wireless transceiver circuit unit afterwards, the RX pin of the power amplifier chips (U3) exists The 6th capacitor (C40) of connecting is electrically connected the radiofrequency signal connecting pin (RFIN) of the wireless transceiver circuit unit afterwards.

6. a kind of work side as described in Claims 1 to 5 any one suitable for the valve remote control terminal of wisdom agricultural Method, which is characterized in that including suspend mode and awakening mode；

The suspend mode comprises the following steps that

S101. after determining into suspend mode, micro-control circuit unit and wireless transceiver circuit unit enter energy conservation shape State, while enabling output end (PAEN) in power amplifier by the control of micro-control circuit unit and exporting the first level signal, make the power amplifier The power supply output end (VPA) of power-supplying circuit unit exports low level voltage, the half-duplex transmitting-receiving power amplifier and antenna Electricity is stopped work under unit；

The awakening mode comprises the following steps that

S201. after determining into awakening mode, micro-control circuit unit and wireless transceiver circuit unit enter normal work shape State, while output end (PAEN) output second electrical level signal is enabled in power amplifier by the control of micro-control circuit unit, make the power amplifier Power supply output end (VPA) output high level voltage of power-supplying circuit unit, the half-duplex transmitting-receiving power amplifier and antenna Unit works on power；

S202. the half-duplex is controlled by wireless transceiver circuit unit by micro-control circuit unit and receives and dispatches power amplifier and antenna Unit enters either simplex reception state: if receiving terminal wakeup message on schedule on waking up channel, thening follow the steps S203, otherwise really Surely enter suspend mode；

If S203. receiving on a control channel includes target terminal unique identification information and target valve unique identification letter on schedule The valve control instruction message of breath, thens follow the steps S204, otherwise determines and enters suspend mode, wherein the valve control refers to Enabling message is valve turn-on command message, valve cutoff command message or valve transfer instruction message；

S204. the target terminal unique identification information as described in micro-control circuit unit judges is with local terminal unique identification information No matching controls corresponding with the target valve unique identification information if matching according to the valve control instruction message Valve control module executes following movement: by driving circuit for electromagnetic valve unit drive magnetic valve conduction and cut-off, then by micro-control Circuit unit processed controls the half-duplex transmitting-receiving power amplifier by wireless transceiver circuit unit and antenna element enters either simplex hair Penetrate state: feedback valve door control response message on an acknowledgment channel, otherwise return step S203 continues to listen to control channel.

7. a kind of working method of the valve remote control terminal suitable for wisdom agricultural as claimed in claim 6, feature It is, when the valve control module, which further includes, flow sensor corresponding with solenoid valve, is then passing through solenoid-driven After the conducting of circuit unit drive magnetic valve:

It is read in real time by micro-control circuit unit and adds up the data on flows from flow sensor, when accumulated result reaches in institute When stating the flow limit indicated in valve control instruction message, ended by driving circuit for electromagnetic valve unit drive magnetic valve, so It determines afterwards and enters suspend mode.

8. a kind of working method of the valve remote control terminal suitable for wisdom agricultural as claimed in claim 6, feature It is, if the valve control instruction message also includes password authentication selection information and password information, micro-control circuit list Member is before control valve control module executes corresponding actions:

First information is selected to search the correspondence password content prestored in local storage according to the password authentication, then judgement is looked into Whether the password content found is consistent with the password information, the admissions control if consistent, otherwise refusal control, wherein described Password authentication selection information is used to indicate password unique identification corresponding with the password information.

9. a kind of working method of the valve remote control terminal suitable for wisdom agricultural as claimed in claim 8, feature It is, if password authentication selection information and/or the password information are encrypted in the valve control instruction message, and The valve control instruction message also includes that Encryption Algorithm selection information/and encryption key select information, then micro-control circuit Unit is decrypted as follows obtains the password authentication selection information and/or the password information:

First information is selected to search the correspondence decipherment algorithm/prestored in local storage and according to described according to the Encryption Algorithm Encryption key selection information searches the correspondence decruption key prestored in local storage, is then calculated using the decryption found Method/and decryption key decryption obtain the password authentication selection information and/or the password information, wherein the Encryption Algorithm Selection information, which is used to indicate, uses encryption during encrypting the password authentication selection information and/or the password information The algorithm unique identification of algorithm, encryption key selection information be used to indicate encrypt the password authentication selection information and/ Or during the password information used encryption key key unique identification.

10. a kind of working method of the valve remote control terminal suitable for wisdom agricultural as claimed in claim 6, feature It is, in the step S202, if the terminal wakeup message is broadcast message, the terminal wakeup message also includes Source address invalid bit and/or broadcast address invalid bit, wherein the source address invalid bit is used to indicate to disappear in terminal wake-up Source address information is not present in breath, the broadcast address invalid bit, which is used to indicate in the terminal wakeup message, is not present broadcast Address information, the source address information are used to indicate the identity of the sender of the terminal wakeup message, the broadcast address information It is used to indicate recipient's identity of the terminal wakeup message.