CN112634597A - LORA-based heating and ventilation electric regulating valve remote controller - Google Patents
LORA-based heating and ventilation electric regulating valve remote controller Download PDFInfo
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- CN112634597A CN112634597A CN202011328256.7A CN202011328256A CN112634597A CN 112634597 A CN112634597 A CN 112634597A CN 202011328256 A CN202011328256 A CN 202011328256A CN 112634597 A CN112634597 A CN 112634597A
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- lora
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 24
- 238000009423 ventilation Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or information
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a heating and ventilation electric regulating valve remote controller based on LORA, which comprises a battery module, an LORA module, a control module, a key module, a storage module and a display module, wherein the power consumption is reduced by methods of reducing communication, battery detection, control module awakening frequency and the like, meanwhile, through a plurality of preset heating curves, the control module can select a proper heating curve according to the actual heating curve, accurately set the flow of a valve according to the difference value of indoor temperature and set temperature, the temperature control is more accurate, the use is simpler and easier, and the standby time is more than twice of that of the original product.
Description
Technical Field
The invention relates to the technical field of heating and ventilation control, in particular to a remote controller for an electric heating and ventilation regulating valve.
Background
The remote controller of the electric control valve is generally used for regulating the indoor temperature by an individual user, and the remote controller can control the opening degree of the electric control valve according to the comparison between the detected indoor temperature and the temperature set by the user. However, the existing products have more defects, for example, if dry batteries are adopted for power supply, the standby power consumption is generally high, and two batteries can only work for about three months. And for the control of the valve, a two-position control algorithm is adopted, the valve can only be fully opened or fully closed, and the control temperature fluctuation is large.
Disclosure of Invention
In order to meet the actual requirements in the prior art, the invention aims to provide the LORA-based heating and ventilation electric regulating valve remote controller, which can not only reduce the power consumption and prolong the standby time, but also accurately control the temperature regulation.
In order to achieve the purpose, the LORA-based heating and ventilation electric regulating valve remote controller comprises a battery module, an LORA module, a control module, a key module, a storage module and a display module;
the battery module is used for supplying power to the remote controller;
the LORA module is used for wireless communication, and the communication comprises the acquisition of flow data of the valve flow sensor, the temperature parameter of the temperature sensing module and a control instruction for the valve electric regulating valve;
the control module acquires temperature parameters or sends instructions to the electric regulating valve through the LORA module;
the key module is used for issuing instructions to the control module;
the storage module is used for storing control module data;
the display module is used for displaying data.
Preferably, the control module detects the electric quantity of the battery module once per hour through the battery detection module, and the battery detection module is in a dormant state in the rest time;
when the electric quantity of the battery is lower than a preset value, the control module controls the display module to display a low-electric-quantity mark, and sets the battery detection module to be in a dormant state, and the battery detection module is restarted until the remote controller is powered off and restarted;
when the electric quantity of the battery is lower than a preset value, the control module sends an instruction to the electric regulating valve to completely open the valve, and a user is not allowed to close the valve;
when the shutdown key is pressed, the remote controller only closes the screen function and does not close the valve.
Preferably, the control module controls the LORA module to be in a transmitting state, a receiving state or a sleeping state;
the LORA module adopts self-learning transmission in the process of transmitting signals, and the transmission power is adjusted to +13dbm to +20dbm in total at 8 levels; the self-learning launching comprises the following steps:
when the system is powered on for the first time, transmitting and detecting the signal value condition returned by the receiver at the power of 20 dbm;
the controller carries out weighted average according to the RSSI value of the data received by the valve and the RSSI value of the data received by the remote controller, the weight of the RSSI value received by the valve accounts for 70%, the RSSI value of the signal received by the remote controller is 30%, if the RSSI value after weighted average is larger than-85 dbm, the transmitting power is reduced, and when the data is sent next time, the transmitting power of 1dbm is reduced; if the RSSI value after weighted average is less than-90 dbm, increasing the transmitting power of 1 dbm;
if the receiver does not reply data in the process of transmitting the signal, the remote controller can increase the transmitting power of 1dbm to transmit the data again, if the data cannot be received, the transmitting power of 1dbm is continuously increased when the next data transmission is waited, and the data transmission is judged to be failed.
Preferably, each key in the key module is triggered by independent interruption.
Preferably, the storage module uses an internal flash to store data; the internal flash stores the current time every 10 minutes, if a user operates through a key, the operation information is stored, and if the valve opening time is received, the current date and time, the valve opening time and the set temperature are stored.
Preferably, a plurality of preset temperature curves are arranged in the control module, the control module selects the corresponding preset temperature curve according to the received actual temperature curve, and controls the opening of the electric regulating valve to be adjusted within 0% -100% according to the difference value between the indoor temperature and the set temperature so as to realize temperature control.
Preferably, the control module communicates with the valve once every hour, and the communication content includes the current indoor temperature, the set temperature of the user and the valve opening information to be realized; after receiving the information sent by the remote controller, the valve replies the repeatedly received data and the valve opening time, and if the room temperature change is less than +/-0.5 ℃, the communication is not carried out.
The invention has the beneficial effects that:
the invention has simple structure and high cost performance, reduces power consumption by methods of reducing communication, battery detection, control module awakening frequency and the like, measures the ratio of the opening degree of the valve to the flow under various water pressure conditions by using a high-precision flow meter, measures various heating curves under various house types and temperatures, performs curve fitting to make a plurality of heating curves, selects a proper heating curve by the control module according to the actual heating curve, accurately sets the flow of the valve according to the difference value of the indoor temperature and the set temperature, accurately adjusts the opening degree of the valve from 0-100 percent, has more accurate temperature control, is simpler and easier to use, and has more than twice of the standby time of the original product.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is a schematic diagram of the connection relationship of the present invention;
FIG. 3 is a circuit diagram of the present invention;
Detailed Description
Example 1:
referring to the attached drawings of the specification, the heating and ventilation electric regulating valve remote controller based on the LORA comprises a battery module, a LORA module, a control module, a key module, a storage module and a display module; the battery module is used for supplying power to the remote controller;
the LORA module is used for wireless communication, and the communication comprises the acquisition of flow data of the valve flow sensor, the temperature parameter of the temperature sensing module and a control instruction for the valve electric regulating valve; the LORA module is used for sending a longer distance, receiving current is lower, receiving sensitivity is higher, standby power is lower, and the LORA module is more suitable for being used in the field of the Internet of things. In circuit design, an original method for controlling the wireless module to be switched on and off by using a triode is cancelled, and the wireless module is controlled to be in a transmitting state, a receiving state or a dormant state by using software, so that one triode, a plurality of capacitance resistors and other components can be saved, and the production cost and the test cost are reduced.
The control module acquires temperature parameters or sends instructions to the electric regulating valve through the LORA module;
the key module is used for issuing instructions to the control module; each key is triggered by independent interruption, the use of pull-up resistors is reduced, the triggering mode is faster, and more electricity is saved.
The storage module is used for storing control module data;
the display module is used for displaying data.
The control module detects the electric quantity of the battery module once per hour through the battery detection module, and the battery detection module is in a dormant state in the rest time;
when the electric quantity of the battery is lower than 2.3V, the battery icon quickly flickers to remind a user to replace the battery as soon as possible. The battery detection module is set to be in a dormant state, and the battery detection module is restarted until the remote controller is powered off and restarted;
when the electric quantity of the battery is lower than the preset value, the control module sends an instruction to the electric regulating valve to completely open the valve, and a user is not allowed to close the valve.
The control module controls the LORA module to be in a transmitting state, a receiving state or a dormant state;
the LORA module adopts self-learning transmission in the process of transmitting signals, and the transmission power is adjusted to +13dbm to +20dbm in total at 8 levels; the self-learning launching comprises the following steps: when the system is powered on for the first time, transmitting and detecting the signal value condition returned by the receiver at the power of 20 dbm;
if the signal is strong, reducing the transmitting power of 1dbm when the data is transmitted next time;
if the receiver does not reply data in the process of transmitting the signal, the remote controller can increase the transmitting power of 1dbm to transmit the data again, if the data cannot be received, the transmitting power of 1dbm is continuously increased when the next data transmission is waited, and the data transmission is judged to be failed.
The procedure was as follows:
the storage module uses the internal flash to store data through the optimization of a storage algorithm. The control module MSP430F4152 has a FLASH address storage space of 256 bytes therein, which is divided into two sectors, each of which has 128 bytes. The first sector stores address information. The second sector stores valve opening time, and set temperature information. When other data are updated, the other data are read into the buffer area, then the sector is erased, and the data are uniformly written. If power is lost at this time, the addition of 100uf tantalum capacitors on the circuit can also allow the system to write data into FLAH within at least tens of milliseconds, and no data loss risk exists after the test. Internal flashEach timeThe current time is stored every 10 minutes, when the user sets the temperature through a key, adjusts the date and time, sets the address, the information is stored immediately, and if the valve opening time is received, the current date and time, the valve opening time and the set temperature are stored.
The control module of the invention is internally provided with 5 preset curves of valve styles, the valve styles can be selected automatically, the ratio of the opening degree of the valve to the flow under various water pressure conditions is measured by using a high-precision flow meter, various heating curves under various house types and temperatures are measured, curve fitting is carried out, 14 heating curves are made, a program can select a proper heating curve according to the actual heating curve, the flow of the valve is accurately set according to the difference value of the indoor temperature and the set temperature, the opening degree of the valve is accurately adjustable from 0-100%, and the temperature control is more accurate.
The control module communicates with the valve once every hour, and if the room temperature change is less than +/-0.5 degrees, the control module does not communicate.
The invention has simple structure and high cost performance, reduces power consumption by methods of reducing communication, battery detection, control module awakening frequency and the like, simultaneously selects a proper temperature-raising curve by a plurality of preset temperature-raising curves according to the actual temperature-raising curve by the control module, accurately sets the flow of the valve according to the difference value of the indoor temperature and the set temperature, has more accurate temperature control, is simpler and easier to use, and has more than twice of the standby time of the original product.
Claims (7)
1. A heating and ventilation electric regulating valve remote controller based on LORA is characterized by comprising a battery module, an LORA module, a control module, a key module, a storage module and a display module;
the battery module is used for supplying power to the remote controller;
the LORA module is used for wireless communication, and the communication comprises the acquisition of flow data of the valve flow sensor, the temperature parameter of the temperature sensing module and a control instruction for the valve electric regulating valve;
the control module acquires temperature parameters or sends instructions to the electric regulating valve through the LORA module;
the key module is used for issuing instructions to the control module;
the storage module is used for storing control module data;
the display module is used for displaying data.
2. A LORA-based electric heating and ventilation regulator valve remote control according to claim 1,
the control module detects the electric quantity of the battery module once per hour through the battery detection module, and the battery detection module is in a dormant state in the rest time;
when the electric quantity of the battery is lower than a preset value, the control module controls the display module to display a low-electric-quantity mark, and sets the battery detection module to be in a dormant state, and the battery detection module is restarted until the remote controller is powered off and restarted;
when the electric quantity of the battery is lower than a preset value, the control module sends an instruction to the electric regulating valve to completely open the valve, and a user is not allowed to close the valve;
when the shutdown key is pressed, the remote controller only closes the screen function and does not close the valve.
3. The LORA-based heating, ventilating and electrically regulating valve remote controller according to claim 1, wherein the control module controls the LORA module to be in a transmitting state, a receiving state or a sleeping state;
the LORA module adopts self-learning transmission in the process of transmitting signals, and the transmission power is adjusted to +13dbm to +20dbm in total at 8 levels; the self-learning launching comprises the following steps:
when the system is powered on for the first time, transmitting and detecting the signal value condition returned by the receiver at the power of 20 dbm;
the controller carries out weighted average according to the RSSI value of the data received by the valve and the RSSI value of the data received by the remote controller, the weight of the RSSI value received by the valve accounts for 70%, the RSSI value of the signal received by the remote controller is 30%, if the RSSI value after weighted average is larger than-85 dbm, the transmitting power is reduced, and when the data is sent next time, the transmitting power of 1dbm is reduced; if the RSSI value after weighted average is less than-90 dbm, increasing the transmitting power by 1 dbm;
if the receiver does not reply data in the process of transmitting the signal, the remote controller can increase the transmitting power of 1dbm to transmit the data again, if the data cannot be received, the transmitting power of 1dbm is continuously increased when the next data transmission is waited, and the data transmission is judged to be failed.
4. The LORA-based heating, ventilating and electrically regulating valve remote controller according to claim 1, wherein each key in the key module is triggered by an independent interrupt.
5. The LORA-based heating, ventilating and electrically regulating valve remote controller according to claim 1, wherein the memory module uses an internal flash to store data; internal flashEach timeAnd storing the current time every 10 minutes, if the user operates through a key, storing operation information, and if the valve opening time is received, storing the current date and time, the valve opening time and the set temperature.
6. The LORA-based heating, ventilating and electrically regulating valve remote controller according to claim 1, wherein the control module is provided with a plurality of preset temperature curves, the control module selects the corresponding preset temperature curve according to the received actual temperature curve, and controls the opening of the electrically regulating valve to be adjusted between 0% and 100% according to the difference between the indoor temperature and the set temperature, so as to realize temperature control.
7. The LORA-based heating and ventilating electric control valve remote controller according to claim 1, wherein the control module communicates with the valve once every hour, and the communication content comprises the current indoor temperature, the set temperature of the user, and the information of the valve opening to be realized; after receiving the information sent by the remote controller, the valve replies the repeatedly received data and the valve opening time, and if the room temperature change is less than +/-0.5 ℃, the communication is not carried out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011328256.7A CN112634597B (en) | 2020-11-24 | 2020-11-24 | LORA-based heating and ventilation electric regulating valve remote controller |
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| CN202011328256.7A CN112634597B (en) | 2020-11-24 | 2020-11-24 | LORA-based heating and ventilation electric regulating valve remote controller |
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| CN112634597B CN112634597B (en) | 2022-07-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114281291A (en) * | 2021-12-28 | 2022-04-05 | 海信视像科技股份有限公司 | Display device, control device and low-power prompting method of control device |
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| CN114281291A (en) * | 2021-12-28 | 2022-04-05 | 海信视像科技股份有限公司 | Display device, control device and low-power prompting method of control device |
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