CN208367505U - wireless data monitoring terminal unit - Google Patents
wireless data monitoring terminal unit Download PDFInfo
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- CN208367505U CN208367505U CN201820981557.1U CN201820981557U CN208367505U CN 208367505 U CN208367505 U CN 208367505U CN 201820981557 U CN201820981557 U CN 201820981557U CN 208367505 U CN208367505 U CN 208367505U
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Abstract
The utility model discloses a kind of wireless data monitoring terminal units, it includes mainboard, wireless module and intrinsic safety lithium battery group, and the output port of the intrinsic safety lithium battery group is connected with the supply port of mainboard, microprocessor is provided on the mainboard, the I/O mouth of the microprocessor is connected separately with combustible gas sensor interface, pressure sensor interface, switch value input interface, valve control interface, wireless module interface, memory module, PC debug port, USB debugs port, bluetooth module.The utility model provides a kind of wireless data monitoring terminal unit, it can safely be used in combustible and explosive area, and can be realized underground or the under water telecommunication with ground, and power consumption and cost are reduced while increasing function, convenient for promoting.
Description
Technical field
The utility model relates to a kind of wireless data monitoring terminal units, belong to monitoring technology field.
Background technique
Currently, national Development of Gas Industry is swift and violent, the combustion gas such as liquefied gas, natural gas, coal gas as clean energy resource oneself
It is used widely in industry and commerce.As a kind of new energy, their universal and application undoubtedly plays improvement urban environment
Huge effect.But these gas improper uses or leakage, will negative unhealthy, explosive, accident risks are more, such as
Gas cannot find and handle in time when leaking, and can endanger to society and bringing on a disaster property of resident, this increases to a certain extent
The dangerous and unstable factor in city.
For the industries such as petroleum, chemical industry, coal, metallurgy, combustion gas, coking that combustion gas is widely applied, any production, storage,
Using the place of flammable explosive gas, just it is badly in need of a kind of monitoring system that can be round-the-clock, multi-faceted, to guarantee the person, production
And the safety of property.Existing gas monitoring equipment use outer powered operation mode, danger coefficient is very big, also using wired
Communication carries out signal transmission, if implementing telecommunication, cost is very high, also very inconvenient.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of wireless data prison
Control terminal unit, it can safely be used in 1st area of explosion-proof area and 2nd area, and can be realized underground or under water with ground
The telecommunication in face, reduces power consumption and cost while increasing function, convenient for promoting.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of wireless data monitoring terminal unit, it includes mainboard, wireless module and intrinsic safety lithium battery group, the intrinsic safety lithium
The output port of battery pack is connected with the supply port of mainboard, and microprocessor is provided on the mainboard, the microprocessor
I/O mouthfuls are connected separately with:
Combustible gas sensor interface, the combustible gas sensor interface is for connecting imflammable gas sensing
Device has monitored whether Combustible Gas Leak；
Pressure sensor interface, the pressure sensor interface is for connecting pressure sensor, in Monitoring Gas Pipeline
Pressure；
Switch value input interface, the switch value input interface is for connecting water level switch；
Valve control interface, the valve control interface is for connecting motor valve；
Wireless module interface, for the wireless module interface for connecting wireless module, the wireless module passes through mobile phone SIM
Card and server are communicated；
Memory module, the memory module is for backing up collected data；
PC debugs port, and PC debugging port is used for and the end PC carries out RS485 communication, carries out parameter by the end PC and sets
It is fixed；
USB debugs port, and the debugging port USB is debugged for local；
Bluetooth module, the bluetooth module configure parameter by cell phone application for connecting with mobile phone.
Further, liquid crystal display is additionally provided on the mainboard.
Further, the mainboard, wireless module and intrinsic safety lithium battery group are all packaged in outer with IP68 waterproofing grade
In shell.
Further, sealing waterproof swivel nut is provided with for placing the outlet of wireless module antenna on the shell.
Using above-mentioned technical proposal, the utility model is selected STM32L151 series microprocessor, is equipped with enough
I/O interface, makes to be easier to realize on Function Extension, cooperates massive store chip, carries out preferably acquisition backup to data, adopts
With the disposable intrinsic safety lithium battery group power supply of encapsulation, mainboard, wireless module and intrinsic safety lithium battery group have all been packaged in IP68 waterproof
In the shell of grade function, antenna outlet setting sealing waterproof swivel nut could be used that with subsurface environment, this is practical new under water
Type can carry out RS485 interface communication with the end PC, and be equipped with blue tooth interface, can be set to pairing using computer and cell phone application
Standby setting parameter, keeps user's use more convenient, GSM/GPRS/CDMA mode is supported in wireless communication, realize telecommunication,
Microprocessor sends the on/off that instruction controls each circuit module, realizes that the interval of each circuit module uploads, to drop
Low Overall Power Consumption, the utility model is powerful, can easily meet the requirement of user.
Detailed description of the invention
Fig. 1 is the functional block diagram of the wireless data monitoring terminal unit of the utility model；
Fig. 2 is the circuit diagram of the microprocessor of the utility model；
Fig. 3 is the crystal oscillating circuit schematic diagram of the microprocessor of the utility model；
Fig. 4 is the reset circuit schematic diagram of the microprocessor of the utility model；
Fig. 5 is the battery feed circuit schematic diagram of the utility model；
Fig. 6 is the Combustible Gas Leak remote alarm interface circuit diagram of the utility model；
Fig. 7 is the pressure sensor Acquisition Circuit circuit diagram of the utility model；
Fig. 8 is the switching value input interface circuit schematic diagram of the utility model；
Fig. 9 is the wireless module interface circuit schematic diagram of the utility model；
Figure 10 is the valve control circuit diagram of the utility model；
Figure 11 is the circuit diagram of the bluetooth module of the utility model；
Figure 12 is the USB debug circuit schematic diagram of the utility model；
Figure 13 is the PC debug circuit schematic diagram of the utility model；
Figure 14 is the circuit diagram of the memory module of the utility model；
Figure 15 is the circuit diagram of the liquid crystal display circuit of the utility model.
Specific embodiment
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
As shown in Fig. 1~15, a kind of wireless data monitoring terminal unit, it includes mainboard, wireless module and intrinsic safety lithium electricity
The output port of pond group, the intrinsic safety lithium battery group is connected with the supply port of mainboard, and the supply port of the mainboard passes through electricity
Pond power supply circuit provides power supply for mainboard and wireless module, and microprocessor is provided on the mainboard, and the microprocessor is selected
STM32L151 series, is powered using 3.3V, is equipped with 83 I/O interfaces, is easier to realize on Function Extension, the microprocessor
The I/O mouth of U1 is connected separately with wireless module interface and memory module, and the wireless module interface passes through wireless module interface electricity
Road is connected with microprocessor U1, and the wireless module is communicated by SIM cards of mobile phones and server, supports GSM/GPRS/
CDMA mode realizes telecommunication, cooperates massive store chip, collected data are backed up.
As shown in figure 9, the wireless module interface circuit includes the communication module W1 of model M72-D, wireless module confession
Circuit and SIM card component, the input terminal of the wireless module power supply circuit control wireless module power supply by metal-oxide-semiconductor Q10
The on and off of circuit, the pole G of metal-oxide-semiconductor Q10 are connected with 58 feet of microprocessor U1, when microprocessor U1 issues corresponding height
When level command, i.e., controllable Q10 turn-on and turn-off, to realize the on and off of control wireless module power supply circuit.Because institute
Stating wireless data monitoring terminal unit is battery power supply, if all circuit modules in the wireless data monitoring terminal unit
Real-time online always, then power consumption is too big, and intrinsic safety lithium battery group can be very short using the time, so will control with microprocessor U1 is crossed
The on/off of each circuit module is made, to realize that the interval of each circuit module uploads.
As shown in figure 9,24,25,26,27 feet of the communication module W1 of the model M72-D are energization pins, by wireless
Module for power supply circuit provides 4V DC power supply, 68 feet of 1 foot, 2 feet of the communication module W1 with microprocessor U1,69 foot phases
Even, it is communicated.The wireless module power supply circuit uses the boost converter U9 of model TPS61230DRCR, to communicate mould
It is 4V that block W1, which provides voltage, and electric current is greater than the DC power supply of 2A, to guarantee that communication module W1 can be worked normally.The SIM card group
Part includes SIM card and SIM card holder, and the SIM card is mounted in SIM card holder.
The I/O mouth of microprocessor U1 is also connected with combustible gas sensor interface, pressure sensor interface and switching value
Input interface.The combustible gas sensor interface has monitored whether flammable gas for connecting combustible gas sensor
Body leakage.The pressure sensor interface is for connecting pressure sensor, the pressure in pressure sensor monitoring natural gas line.
When the wireless data monitoring terminal unit is installed in underwater, the switch value input interface is for connecting water level switch.
Collected data are transmitted to microprocessor U1 by corresponding interface circuit by each sensor, after microprocessor U1 processing
Liquid crystal display screen display, while server is transferred data to by wireless module, the staff on backstage can be direct
Monitor state.
The combustible gas sensor interface is by Combustible Gas Leak remote alarm interface circuit with microprocessor U1's
I/O mouthfuls are connected, as shown in fig. 6, combustible gas sensor accesses UART port J5,4 feet of J5 connect power supply, and 3 feet of J5 are grounded,
2 feet and 1 foot of J5 are connected with 78 pins of microprocessor U1,79 pins by build-out resistor R33, R34, and are connected with transient state
Inhibiting diode TVS3, plays the role of antisurge and lightning protection, the pole G of metal-oxide-semiconductor Q7 is connect with 88 pins of microprocessor U1,
Metal-oxide-semiconductor Q7 selects Si2300DS.
As shown in figure 8, water level switch accesses microprocessor U1 by switching value input interface circuit, water level switch is connect
Line terminals J3, after being isolated by optocoupler OP1, by 38 pins of on-off model input microprocessor U1, the optocoupler OP1
Select EL357N.
As shown in fig. 7, the pressure sensor accesses connecting terminal J6, then inputted by pressure sensor Acquisition Circuit
The operational amplifier of 17 and 18 pins of microprocessor U1, the pressure sensor Acquisition Circuit selects OPA2333.
As shown in Figure 10, the I/O mouth of the microprocessor has valve control interface, the valve control interface by valve control circuit connection
For connecting motor valve, the motor valve is connected in natural gas line, and gas can pass through when valve opening, when closing valve
Stop using gas, the valve control circuit uses the motor drive ic U5 of model DRV8837DSG, motor drive ic U5 input
Control terminal is 5 feet and 6 feet, is connected respectively by build-out resistor R18, R17 with 60 pins of microprocessor U1,59 pins, motor
2 feet and 3 feet of driving chip U5 are output end, wherein each foot is connected with one end of machine winding respectively.
As shown in figure 13, the I/O mouth of the microprocessor is connected with PC by PC debug circuit and debugs port, the PC
It debugs port to be used to carry out RS485 communication with the end PC, passes through the end PC and carry out parameter setting.
As shown in figure 12, the I/O mouth of the microprocessor is connected with USB by USB debug circuit and debugs port, described
USB debugs port and debugs for local, does not use after the debugging of wireless data monitoring terminal unit is normal.
As shown in figure 11, the I/O mouth of the microprocessor is connected with bluetooth module, and the bluetooth module is used for and mobile phone connects
It connects, parameter can also be configured by cell phone application, the bluetooth module uses the Bluetooth chip J9 of model HC-05, blue
1 foot, 2 feet of tooth chip J9 are connected by build-out resistor R61, R62 with 79 pins of microprocessor U1,80 pins, with micro process
Device U1 is communicated.
As shown in figure 15, display parameters on the spot for convenience are additionally provided with liquid crystal display on the mainboard, pass through liquid crystal
Display circuit driving liquid crystal display is shown.
In order to guarantee the waterproof seal of equipment and meet explosion-proof criteria, it is ensured that can also make with subsurface environment under water
With the mainboard, wireless module and intrinsic safety lithium battery group are all packaged in the shell with IP68 waterproofing grade, the shell
On for place the outlet of wireless module antenna be provided with sealing waterproof swivel nut.
Particular embodiments described above, to the utility model solve the technical issues of, technical scheme and beneficial effects into
It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvement done
Deng should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of wireless data monitoring terminal unit, which is characterized in that it includes mainboard, wireless module and intrinsic safety lithium battery group,
The output port of the intrinsic safety lithium battery group is connected with the supply port of mainboard, and microprocessor is provided on the mainboard, described
The I/O mouth of microprocessor is connected separately with:
Combustible gas sensor interface, the combustible gas sensor interface are supervised for connecting combustible gas sensor
Whether survey has Combustible Gas Leak；
Pressure sensor interface, the pressure sensor interface is for connecting pressure sensor, the pressure in Monitoring Gas Pipeline
Power；
Switch value input interface, the switch value input interface is for connecting water level switch；
Valve control interface, the valve control interface is for connecting motor valve；
Wireless module interface, the wireless module interface for connecting wireless module, the wireless module by SIM cards of mobile phones and
Server is communicated；
Memory module, the memory module is for backing up collected data；
PC debugs port, and PC debugging port is used for and the end PC carries out RS485 communication, carries out parameter setting by the end PC；
USB debugs port, and the debugging port USB is debugged for local；
Bluetooth module, the bluetooth module configure parameter by cell phone application for connecting with mobile phone.
2. wireless data monitoring terminal unit according to claim 1, it is characterised in that: be additionally provided with liquid on the mainboard
Crystal display screen.
3. wireless data monitoring terminal unit according to claim 1, it is characterised in that: the mainboard, wireless module and
Intrinsic safety lithium battery group is all packaged in the shell with IP68 waterproofing grade.
4. wireless data monitoring terminal unit according to claim 3, it is characterised in that: for placing nothing on the shell
The outlet of wire module antenna is provided with sealing waterproof swivel nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981557.1U CN208367505U (en) | 2018-06-25 | 2018-06-25 | wireless data monitoring terminal unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981557.1U CN208367505U (en) | 2018-06-25 | 2018-06-25 | wireless data monitoring terminal unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208367505U true CN208367505U (en) | 2019-01-11 |
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| CN201820981557.1U Active CN208367505U (en) | 2018-06-25 | 2018-06-25 | wireless data monitoring terminal unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164113A (en) * | 2019-05-10 | 2019-08-23 | 苏州嘉奕晟中小企业科技咨询有限公司 | A kind of Underground Pipeline Data supervisory systems |
| CN110164112A (en) * | 2019-05-06 | 2019-08-23 | 山东远大朗威教育科技股份有限公司 | Data terminal, sensor device and Digitized experimental system |
-
2018
- 2018-06-25 CN CN201820981557.1U patent/CN208367505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164112A (en) * | 2019-05-06 | 2019-08-23 | 山东远大朗威教育科技股份有限公司 | Data terminal, sensor device and Digitized experimental system |
| CN110164113A (en) * | 2019-05-10 | 2019-08-23 | 苏州嘉奕晟中小企业科技咨询有限公司 | A kind of Underground Pipeline Data supervisory systems |
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