Wireless gas valve control circuit

Abstract

The utility model discloses a wireless gas valve control circuit. A main controller circuit is used for monitoring the state of valve action and controlling the valve action, and a valve control circuit is used for controlling the action of opening and closing an external valve according to the uploading period of remote transmission data; the operation state monitoring circuit is used for monitoring whether the power supply state is normal or not; the data remote transmission circuit is used for summarizing and storing various data information and uploading data and state information in real time; the monitoring equipment circuit is used for monitoring whether a valve works normally or not, and the power management circuit is used for providing working voltage meeting the requirements of the circuits. According to the utility model, state data in a pipeline can be gathered by communicating with the pipeline state monitoring equipment, and the data is reported to the system through the CAT1 module, so that the running state of the valve pipeline can be monitored in real time through a remote system; the device is monitored and an alarm state is uploaded in real time so that state control of the pipeline valve is finally realized.

Description

Technical Field

[0001] The utility model relates to the technical field of signal measurement, in particular to a wireless gas valve control circuit. Background Art

[0002] In gas industrial sites, there are gas pipelines of various sizes that continuously transport gas, and the site is large, so the maintenance personnel inside the site cannot view the status of each pipeline and the status and control of the valves in real time. Therefore, this is a problem that has always existed in gas industrial sites, that is, the status of the pipeline valves cannot be monitored in real time, and the pipeline valves cannot be controlled in real time. Summary of the invention

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a wireless gas valve control circuit to solve the problems of complex data transmission connection lines and inconvenient use of the device in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions to achieve them: a wireless gas valve control circuit, including a main controller circuit and a valve control circuit, an operation status monitoring circuit, a data remote transmission circuit, a monitoring equipment circuit and a power management circuit respectively connected to the main controller circuit.

[0005] The power management circuit is also connected to the valve control circuit, the operation status monitoring circuit, the data remote transmission circuit, and the monitoring equipment circuit respectively.

[0006] The main controller circuit is used for valve action status monitoring, valve action control, and remote data upload cycle control.

[0007] The valve control circuit is used to switch the external valve action.

[0008] The operation status monitoring circuit is used to monitor whether the power supply status is normal.

[0009] The data remote transmission circuit is used to aggregate and store various types of data information and upload real-time data and status information.

[0010] The monitoring device communication circuit is used to monitor whether the valve is working normally.

[0011] The power management circuit is used to provide an operating voltage that meets the requirements of each circuit.

[0012] The utility model also has the following technical features:

[0013] The main controller circuit includes a microcontroller chip U10 and a peripheral circuit connected to the microcontroller chip U10.

[0014] The peripheral circuit includes a crystal oscillator X1, one end of the crystal oscillator X1 is connected to the 8th terminal of the microcontroller chip U10, and the other end is connected to the 9th terminal of the microcontroller chip U10.

[0015] The peripheral circuit also includes capacitor C23 and capacitor C24. One end of the capacitor C23 is connected to terminal 8 of the microcontroller chip U10, and the other end is grounded. One end of the capacitor C24 is connected to terminal 9 of the microcontroller chip U10, and the other end is grounded.

[0016] The terminal 15 of the microcontroller chip U10 is connected to the gate of the field effect transistor Q8 in the power management circuit.

[0017] Terminal 44 of the microcontroller chip U10 is connected to terminal 3 of the power chip A3 in the power management circuit.

[0018] The terminal 45 of the microcontroller chip U10 is connected to the terminal 1 of the power chip U15 in the power management circuit.

[0019] The terminal 50 of the microcontroller chip U10 is connected to one end of a resistor R18 in the valve control circuit, and the other end of the resistor R18 is connected to the base of a transistor Q6 in the valve control circuit.

[0020] The terminal 51 of the microcontroller chip U10 is connected to one end of a resistor R19 in the valve control circuit, and the other end of the resistor R19 is connected to the base of a transistor Q7 in the valve control circuit.

[0021] Terminal 38 of the microcontroller chip U10 is connected to terminal 3 of the detection chip U8 in the operation status monitoring circuit.

[0022] The terminal 61 of the microcontroller chip U10 is connected to one end of a resistor R9 in the operation status monitoring circuit, the other end of the resistor R9 is connected to one end of a resistor R12 in the operation status monitoring circuit, and the other end of the resistor R12 is connected to the positive electrode of the diode DD8.

[0023] The terminal 32 of the microcontroller chip U10 is connected to the collector of the transistor Q12 in the data remote transmission circuit.

[0024] The terminal 33 of the microcontroller chip U10 is connected to one end of a resistor R48 in the data remote transmission circuit, and the other end of the resistor R48 is connected to the terminal 18 of the remote transmission chip U11 in the data remote transmission circuit.

[0025] Terminal 34 of the microcontroller chip U10 is connected to terminal 4 of the communication chip U12 in the monitoring device circuit.

[0026] The terminal 35 of the microcontroller chip U10 is connected to the terminal 1 of the communication chip U12 in the monitoring device circuit.

[0027] Terminal 37 of the microcontroller chip U10 is connected to terminals 2 and 3 of the communication chip U12 in the monitoring device circuit.

[0028] The terminal 47 of the microcontroller chip U10 is connected to the terminal 3 of the communication chip U6 in the monitoring device circuit.

[0029] Terminals 63 and 62 of the microcontroller chip U10 are both grounded.

[0030] The valve control circuit includes a transistor P1.

[0031] The emitter of the transistor P1 is connected to one end of the resistor R24, the other end of the resistor R24 ​​is connected to the cathode of the diode D24, and the anode of the diode D24 is connected to two ends of the power chip U1 in the power management circuit.

[0032] The base of the transistor P1 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to the emitter of the transistor P1, the base of the transistor P1 is also connected to one end of the resistor R30, the other end of the resistor R30 is connected to the collector of the transistor Q6, the base of the transistor Q6 is connected to one end of the resistor R18, and the other end of the resistor R18 is connected to the 50 terminal of the microcontroller chip U10.

[0033] The collector of the transistor P1 is connected to the collector of the transistor P4, the base of the transistor P4 is connected to one end of the resistor R32, the other end of the resistor R32 is connected to the emitter of the transistor Q7, the base of the transistor Q7 is connected to the resistor R19, the other end of the resistor R19 is connected to the 51 terminal of the microcontroller chip U10, and the collector of the transistor P1 is also connected to the positive pole of the external valve.

[0034] The emitter of the transistor P2 is connected to the emitter of the transistor P1 , the emitter of the transistor P2 is also connected to one end of the resistor R11 , and the other end of the resistor R11 is connected to the emitter of the transistor P2 .

[0035] The base of the transistor P2 is connected to one end of the resistor R33, and the other end of the resistor R33 is connected to the base of the transistor Q7.

[0036] The collector of the transistor P2 is connected to the collector of the transistor P3, and the collector of the transistor P2 is also connected to the negative electrode of the external valve.

[0037] One end of the base resistor R31 of the transistor P3 is connected, and the other end of the resistor R31 is connected to the emitter of the transistor Q6.

[0038] The emitters of the transistor P3 and the transistor P4 are both grounded.

[0039] The operation status monitoring circuit includes a power socket JP1.

[0040] One end of the power socket JP1 is grounded, two ends of the power socket JP1 are connected to the anode of the diode D22, the cathode of the diode D22 is connected to the cathode of the diode DD8, and the cathode of the diode D22 is also connected to the anode of the diode D2 in the power management circuit.

[0041] The anode of the diode DD8 is connected to one end of the resistor R12, the other end of the resistor R12 is connected to the resistor R9, and the other end of the resistor R9 is connected to the terminal 61 of the microcontroller chip U10.

[0042] The anode of the diode DD8 is grounded.

[0043] The cathode of the diode D22 is also connected to one end of the resistor R1 , and the other end of the resistor R1 is connected to one end of the resistor R12 connected to the resistor R9 .

[0044] The operation status monitoring circuit also includes a detection chip U8.

[0045] The 2 ends of the detection chip U8 are connected to the 2 ends of the power chip U1 in the power management circuit, the 3 end of the detection chip U8 is connected to one end of the resistor R5, the other end of the resistor R5 is connected to the 3 end of the power chip A3 in the power management circuit, and the 3 end of the detection chip U8 is also connected to the 38 end of the microcontroller chip U10.

[0046] Terminal 1 of the detection chip U8 is grounded.

[0047] The data remote transmission circuit includes a remote transmission chip U11.

[0048] Terminals 1, 2, 4, 5, 7, 8, 32, 42-51, 55, 57, 60, 63, 65, 68, 70 and 86 of the remote transmission chip U11 are grounded, terminal 96 of the remote transmission chip U11 is connected to terminal 2 of the antenna JP2, and terminal 1 of the antenna JP2 is grounded.

[0049] Terminal 72 of the remote transmission chip U11 is connected to one end of the resistor R50, the other end of the resistor R50 is connected to the collector of the transistor Q12, the base of the transistor Q12 is connected to terminal 13 of the remote transmission chip U11, and the emitter of the transistor Q12 is connected to terminal 19 of the remote transmission chip U11.

[0050] The collector of the transistor Q12 is also connected to the terminal 32 of the microcontroller chip U10.

[0051] The terminal 18 of the remote transmission chip U11 is connected to one end of the resistor R48, and the other end of the resistor R48 is connected to the terminal 33 of the microcontroller chip U10. The terminal 18 of the transmission chip U11 is also connected to one end of the resistor R49, and the other end of the resistor R49 is grounded.

[0052] Terminals 8 and 9 of the remote transmission chip U11 are connected to four terminals of the power chip U15 in the power management circuit.

[0053] The data remote transmission circuit also includes a telephone card J11.

[0054] Terminal 1 of the telephone card J11 is connected to one end of the capacitor C37, the other end of the capacitor C37 is connected to terminal 4 of the telephone card J11, terminal 4 of the telephone card J11 is grounded, and terminal 1 of the telephone card J11 is also connected to terminal 11 of the remote transmission chip U11.

[0055] The 2 ends of the telephone card J11 are connected to one end of the resistor R57, the other end of the resistor R57 is connected to the 25 end of the remote transmission chip U11, the 25 end of the remote transmission chip U11 is also connected to one end of the capacitor C40, and the other end of the capacitor C40 is grounded.

[0056] Terminal 3 of the telephone card J11 is connected to one end of the resistor R58, the other end of the resistor R58 is connected to terminal 24 of the remote transmission chip U11, the terminal 24 of the remote transmission chip U11 is also connected to one end of the capacitor C39, the other end of the capacitor C39 is grounded.

[0057] Terminal 6 of the telephone card J11 is connected to one end of the resistor R59, the other end of the resistor R58 is connected to terminal 23 of the remote transmission chip U11, the terminal 23 of the remote transmission chip U11 is also connected to one end of the capacitor C38, and the other end of the capacitor C38 is grounded.

[0058] The monitoring device circuit includes a communication chip U12.

[0059] The terminal 1 of the communication chip U12 is connected to the terminal 35 of the microcontroller chip U10.

[0060] Terminals 2 and 3 of the communication chip U12 are connected to terminal 37 of the microcontroller chip U10.

[0061] The 4th terminal of the communication chip U12 is connected to the 34th terminal of the microcontroller chip U10.

[0062] Terminal 5 of the communication chip U12 is grounded.

[0063] The terminal 6 of the communication chip U12 is connected to one end of the resistor R23, and the other end of the resistor R23 is connected to the terminal 7 of the communication chip U12.

[0064] The terminal 8 of the communication chip U12 is connected to the terminal 3 of the communication chip A4.

[0065] The 6th terminal of the communication chip U12 is connected to the communication port A of the external detection device, and the 7th terminal of the communication chip U12 is connected to the communication port B of the external detection device.

[0066] Terminal 1 of the communication chip A4 is grounded.

[0067] Two terminals of the communication chip A4 are connected to one terminal of the capacitor C27, and the other terminal of the capacitor C27 is grounded.

[0068] The 3 end of the communication chip A4 is connected to one end of the capacitor C6, and the other end of the capacitor C6 is grounded.

[0069] Terminal 2 of the communication chip A4 is also connected to terminal 5 of the communication chip U6.

[0070] One end of the communication chip U6 is connected to one end of the capacitor C20, and the other end of the capacitor C20 is grounded; one end of the communication chip U6 is also connected to two ends of the power chip U15 in the power management circuit.

[0071] Two terminals of the communication chip U6 are grounded.

[0072] Terminal 3 of the communication chip U6 is connected to terminal 47 of the microcontroller chip U10.

[0073] The power management circuit includes a power chip U1.

[0074] Terminal 1 of the power chip U1 is grounded.

[0075] The 2 ends of the power chip U1 are connected to the source of the field effect transistor Q1, the drain of the field effect transistor Q1 is connected to the positive electrode of the diode D3, the negative electrode of the diode D3 is connected to the 2 ends of the power chip U15, the 4 ends of the power chip U15 are connected to one end of the resistor R73, the other end of the resistor R73 is connected to one end of the resistor R72, the other end of the resistor R72 is connected to the 5 ends of the power chip U15, the 5 ends of the power chip U15 are also connected to one end of the resistor R71, and the other end of the resistor R71 is grounded.

[0076] Two terminals of the power chip U1 are also connected to the anode of the diode D24.

[0077] The two ends of the power chip U1 are also connected to the two ends of the detection chip U8.

[0078] The 3 ends of the power chip U1 are connected to the positive electrode of the diode D5, the negative electrode of the diode D5 is connected to the positive electrode of the diode D9, the negative electrode of the diode D9 is connected to the 2 ends of the power chip A3, the 3 ends of the power chip A3 are connected to the positive electrode of the capacitor E1, the negative electrode of the capacitor E1 is grounded, and the 1 end of the power chip A3 is grounded.

[0079] Terminal 3 of the power chip A3 is also connected to terminal 44 of the microcontroller chip U10.

[0080] The 3 ends of the power chip A3 are also connected to one end of the resistor R5, and the other end of the resistor R5 is connected to the 3 ends of the detection chip U8.

[0081] The cathode of the diode D9 is also connected to the cathode of the diode D2, the anode of the diode D2 is connected to the anode of the diode D8, and the cathode of the diode D8 is connected to the 5 terminal of the power chip U15.

[0082] The cathode of the diode D2 is also connected to the cathode of the diode D22.

[0083] The gate of the field effect transistor Q1 is connected to the drain of the field effect transistor Q8, the gate of the field effect transistor Q8 is connected to the terminal 15 of the microcontroller chip U10, and the source of the field effect transistor Q8 is grounded.

[0084] The terminal 1 of the power chip U15 is connected to the terminal 45 of the microcontroller chip U10.

[0085] Two terminals of the power chip U15 are connected to one terminal of the communication chip U6.

[0086] Terminal 4 of the power chip U15 is also connected to terminals 9 and 10 of the remote transmission chip U11.

[0087] Compared with the prior art, the utility model has the following technical effects:

[0088] (I) The utility model can realize the aggregation of pipeline status data through the communication of pipeline status monitoring equipment and the data reporting system through the CAT1 module. It can monitor the valve pipeline operation status in real time through the remote system, monitor its own equipment and upload the alarm status in real time to finally realize the status control of the pipeline valve.

[0089] (II) The overall structure of the utility model has the characteristics of simple structure, low cost, high reliability and easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0090] Figure 1 It is the structural principle diagram of the utility model.

[0091] Figure 2Circuit diagram of the main controller circuit.

[0092] Figure 3 This is the circuit diagram of the valve control circuit.

[0093] Figure 4 This is the circuit diagram of the operating status monitoring circuit.

[0094] FIG. 5( a ) to FIG. 5( c ) are circuit diagrams of a data remote transmission circuit.

[0095] Figure 6 A circuit diagram of the monitoring device circuit.

[0096] FIG. 7( a )-FIG 7( b ) are circuit diagrams of a power management circuit.

[0097] The meaning of each symbol in the accompanying drawings:

[0098] 1- Main controller circuit, 2- Valve control circuit, 3- Operation status monitoring circuit, 4- Data remote transmission circuit, 5- Monitoring equipment circuit, 6- Power management circuit.

[0099] The specific contents of the utility model are further explained in detail below in conjunction with the embodiments. DETAILED DESCRIPTION

[0100] All electronic components and units in the present invention, unless otherwise specified, are those known in the prior art.

[0101] In accordance with the above technical solution, specific embodiments of the present utility model are given below. It should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the present utility model.

[0102] Embodiment 1:

[0103] A wireless gas valve control circuit, such as Figure 1 As shown, it includes a main controller circuit 1 and a valve control circuit 2, an operation status monitoring circuit 3, a data remote transmission circuit 4, a monitoring device circuit 5 and a power management circuit 6 respectively connected to the main controller circuit 1.

[0104] The power management circuit 6 is also connected to the valve control circuit 2, the operation status monitoring circuit 3, the data remote transmission circuit 4, and the monitoring device circuit 5 respectively.

[0105] The main controller circuit 1 is used for monitoring the status of valve action, controlling the valve action, and controlling the upload cycle of remote data.

[0106] The valve control circuit 2 is used to switch the external valve.

[0107] The operation status monitoring circuit 3 is used to monitor whether the power supply status is normal.

[0108] The data remote transmission circuit 4 is used to aggregate and store various data information and upload real-time data and status information.

[0109] The monitoring device communication circuit 5 is used to monitor whether the valve is working normally.

[0110] The power management circuit 6 is used to provide an operating voltage that meets the requirements of each circuit.

[0111] As a preferred embodiment of this invention:

[0112] like Figure 2 As shown, the main controller circuit 1 includes a microcontroller chip U10 and a peripheral circuit connected to the microcontroller chip U10.

[0113] The microcontroller U10 in the utility model adopts the MSP430F2418 chip and its peripheral circuits, and the peripheral circuits include a capacitor C23, a capacitor C24, and a crystal oscillator X1.

[0114] The peripheral circuit includes a crystal oscillator X1, one end of the crystal oscillator X1 is connected to the 8th terminal of the microcontroller chip U10, and the other end is connected to the 9th terminal of the microcontroller chip U10.

[0115] The peripheral circuit also includes capacitor C23 and capacitor C24. One end of the capacitor C23 is connected to terminal 8 of the microcontroller chip U10, and the other end is grounded. One end of the capacitor C24 is connected to terminal 9 of the microcontroller chip U10, and the other end is grounded.

[0116] The terminal 15 of the microcontroller chip U10 is connected to the gate of the field effect transistor Q8 in the power management circuit 6 .

[0117] Terminal 44 of the microcontroller chip U10 is connected to terminal 3 of the power chip A3 in the power management circuit 6 .

[0118] Terminal 45 of the microcontroller chip U10 is connected to terminal 1 of the power chip U15 in the power management circuit 6 .

[0119] The terminal 50 of the microcontroller chip U10 is connected to one end of the resistor R18 in the valve control circuit 2 , and the other end of the resistor R18 is connected to the base of the transistor Q6 in the valve control circuit 2 .

[0120] The terminal 51 of the microcontroller chip U10 is connected to one end of a resistor R19 in the valve control circuit 2 , and the other end of the resistor R19 is connected to the base of the transistor Q7 in the valve control circuit 2 .

[0121] Terminal 38 of the microcontroller chip U10 is connected to terminal 3 of the detection chip U8 in the operation status monitoring circuit 3 .

[0122] The terminal 61 of the microcontroller chip U10 is connected to one end of the resistor R9 in the operation status monitoring circuit 3, the other end of the resistor R9 is connected to one end of the resistor R12 in the operation status monitoring circuit 3, and the other end of the resistor R12 is connected to the positive electrode of the diode DD8.

[0123] The terminal 32 of the microcontroller chip U10 is connected to the collector of the transistor Q12 in the data remote transmission circuit 4 .

[0124] The terminal 33 of the microcontroller chip U10 is connected to one end of the resistor R48 in the data remote transmission circuit 4 , and the other end of the resistor R48 is connected to the terminal 18 of the remote transmission chip U11 in the data remote transmission circuit 4 .

[0125] Terminal 34 of the microcontroller chip U10 is connected to terminal 4 of the communication chip U12 in the monitoring device circuit 5 .

[0126] Terminal 35 of the microcontroller chip U10 is connected to terminal 1 of the communication chip U12 in the monitoring device circuit 5 .

[0127] Terminal 37 of the microcontroller chip U10 is connected to terminals 2 and 3 of the communication chip U12 in the monitoring device circuit 5 .

[0128] Terminal 47 of the microcontroller chip U10 is connected to terminal 3 of the communication chip U6 in the monitoring device circuit 5 .

[0129] Terminals 63 and 62 of the microcontroller chip U10 are both grounded.

[0130] Preferably, the values ​​of capacitor C23, capacitor C24, and crystal oscillator X1 are 25PF, 25PF, and 32.768K, respectively.

[0131] The crystal oscillator X1 is the main controller chip to ensure that the system provides a stable and accurate clock signal to ensure its normal and efficient operation. Capacitors C23 and C24 ensure that the capacitors in the crystal oscillator circuit play a key role in stabilizing the crystal oscillator frequency, suppressing noise interference, and meeting resonance conditions.

[0132] As a preferred embodiment of this invention:

[0133] like Figure 3 As shown, the valve control circuit 2 includes a transistor P1.

[0134] The emitter of the transistor P1 is connected to one end of the resistor R24 ​​, the other end of the resistor R24 ​​is connected to the cathode of the diode D24 , and the anode of the diode D24 is connected to the 2nd port of the power chip U1 of the power management circuit 6 .

[0135] The base of the transistor P1 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to the emitter of the transistor P1, the base of the transistor P1 is also connected to one end of the resistor R30, the other end of the resistor R30 is connected to the collector of the transistor Q6, the base of the transistor Q6 is connected to one end of the resistor R18, and the other end of the resistor R18 is connected to the 50 terminal of the microcontroller chip U10.

[0136] The collector of the transistor P1 is connected to the collector of the transistor P4, the base of the transistor P4 is connected to one end of the resistor R32, the other end of the resistor R32 is connected to the emitter of the transistor Q7, the base of the transistor Q7 is connected to the resistor R19, the other end of the resistor R19 is connected to the 51 terminal of the microcontroller chip U10, and the collector of the transistor P1 is also connected to the positive pole of the external valve.

[0137] This solution is suitable for different valves, so there is no specific valve model. Therefore, the positive and negative poles of the external valve interface are reserved when designing the circuit, the same below.

[0138] The emitter of the transistor P2 is connected to the emitter of the transistor P1 , the emitter of the transistor P2 is also connected to one end of the resistor R11 , and the other end of the resistor R11 is connected to the emitter of the transistor P2 .

[0139] The base of the transistor P2 is connected to one end of the resistor R33, and the other end of the resistor R33 is connected to the base of the transistor Q7.

[0140] The collector of the transistor P2 is connected to the collector of the transistor P3, and the collector of the transistor P2 is also connected to the negative electrode of the external valve.

[0141] One end of the base resistor R31 of the transistor P3 is connected, and the other end of the resistor R31 is connected to the emitter of the transistor Q6.

[0142] The emitters of the transistor P3 and the transistor P4 are both grounded.

[0143] Preferably, the models of transistor Q6, transistor P1, transistor P2, transistor P3, transistor P4 and transistor Q7 are 8050, 2SA966, 2SA9662, SC2236, SC2236 and 8050 respectively.

[0144] The resistance values ​​of resistor R18, resistor R24, resistor R30, resistor R31, resistor R32, resistor R33, resistor R11, resistor R19 and resistor R13 are 5.1KΩ, 10Ω, 510Ω, 510Ω, 510Ω, 100KΩ, 5.1KΩ, and 100KΩ respectively.

[0145] Diode D24 is a protection element to ensure that reverse current will not cause irreversible effects on the controller.

[0146] Resistor R18 and R19 are protective resistors to ensure that the current in the circuit is not too high and that the components are used within a safe range.

[0147] Each transistor plays a control role. When the main controller sends a closing or opening signal through pins 51 and 50, the valve signal line is controlled by opening or closing the transistor, and finally the valve is opened or closed.

[0148] As a preferred embodiment of this invention:

[0149] like Figure 4 As shown, the operation status monitoring circuit 3 includes a power socket JP1:

[0150] One end of the power socket JP1 is grounded, the other end of the power socket JP1 is connected to the anode of the diode D22, the cathode of the diode D22 is connected to the cathode of the diode DD8, and the cathode of the diode D22 is also connected to the anode of the diode D2 in the power management circuit 6.

[0151] The anode of the diode DD8 is connected to one end of the resistor R12, the other end of the resistor R12 is connected to the resistor R9, and the other end of the resistor R9 is connected to the terminal 61 of the microcontroller chip U10.

[0152] The anode of the diode DD8 is grounded.

[0153] The cathode of the diode D22 is also connected to one end of the resistor R1 , and the other end of the resistor R1 is connected to one end of the resistor R12 connected to the resistor R9 .

[0154] The operation status monitoring circuit 3 also includes a detection chip U8.

[0155] End 2 of the detection chip U8 is connected to port 2 of the power chip U1 of the power management circuit 6, end 3 of the detection chip U8 is connected to one end of the resistor R5, the other end of the resistor R5 is connected to end 3 of the power chip A3 in the power management circuit 6, and end 3 of the detection chip U8 is also connected to end 38 of the microcontroller chip U10.

[0156] Terminal 1 of the detection chip U8 is grounded.

[0157] Preferably, the power socket JP2, diode D22, diode D33, and detection chip U8 signals are 1X2 / 2.54, SS12, 5346B, HT705.

[0158] The values ​​of resistor R1, resistor 12, resistor R9, and resistor R5 are 5.1M, 2M, 10K, and 300K.

[0159] The backup battery is connected to the power socket JP1, the D22 diode and the DD8 diode are safety protection components, and the resistors R1 and R12 are voltage divider circuits to ensure that the voltage is within the safe operating range of the main controller pin 61 (A2). The voltage is detected to see if the battery needs to be replaced. The main battery IN_7.2V is connected to the power detection chip U8 and output to the main control pin 38. R5 is a pull-up resistor to ensure the status of the detection pin 38 under the normal state of the main control.

[0160] As a preferred embodiment of this invention:

[0161] As shown in FIG. 5( a )- FIG. 5 ( c ), the data remote transmission circuit 4 includes a remote transmission chip U11 .

[0162] Terminals 1, 2, 4, 5, 7, 8, 32, 42-51, 55, 57, 60, 63, 65, 68, 70 and 86 of the remote transmission chip U11 are grounded, terminal 96 of the remote transmission chip U11 is connected to terminal 2 of the antenna JP2, and terminal 1 of the antenna JP2 is grounded.

[0163] Terminal 72 of the remote transmission chip U11 is connected to one end of the resistor R50, the other end of the resistor R50 is connected to the collector of the transistor Q12, the base of the transistor Q12 is connected to terminal 13 of the remote transmission chip U11, and the emitter of the transistor Q12 is connected to terminal 19 of the remote transmission chip U11.

[0164] The collector of the transistor Q12 is also connected to the terminal 32 of the microcontroller chip U10.

[0165] The terminal 18 of the remote transmission chip U11 is connected to one end of the resistor R48, and the other end of the resistor R48 is connected to the terminal 33 of the microcontroller chip U10. The terminal 18 of the transmission chip U11 is also connected to one end of the resistor R49, and the other end of the resistor R49 is grounded.

[0166] Terminals 8 and 9 of the remote transmission chip U11 are connected to terminal 4 of U15 of the power management circuit 6 .

[0167] The data remote transmission circuit 4 also includes a telephone card J11.

[0168] Terminal 1 of the telephone card J11 is connected to one end of the capacitor C37, the other end of the capacitor C37 is connected to terminal 4 of the telephone card J11, terminal 4 of the telephone card J11 is grounded, and terminal 1 of the telephone card J11 is also connected to terminal 11 of the remote transmission chip U11.

[0169] The 2 ends of the telephone card J11 are connected to one end of the resistor R57, the other end of the resistor R57 is connected to the 25 end of the remote transmission chip U11, the 25 end of the remote transmission chip U11 is also connected to one end of the capacitor C40, and the other end of the capacitor C40 is grounded.

[0170] Terminal 3 of the telephone card J11 is connected to one end of the resistor R58, the other end of the resistor R58 is connected to terminal 24 of the remote transmission chip U11, the terminal 24 of the remote transmission chip U11 is also connected to one end of the capacitor C39, the other end of the capacitor C39 is grounded.

[0171] Terminal 6 of the telephone card J11 is connected to one end of the resistor R59, the other end of the resistor R58 is connected to terminal 23 of the remote transmission chip U11, the terminal 23 of the remote transmission chip U11 is also connected to one end of the capacitor C38, and the other end of the capacitor C38 is grounded.

[0172] Preferably, the models of transistor Q12, remote transmission chip U11, phone card J11 and antenna JP2 are C86932, MIC615, MOLEX-91128-SIM508C and TQX-900.

[0173] The values ​​of capacitor C37, capacitor C38, capacitor C39, capacitor C40, resistor R48, resistor R49, resistor R50, resistor R57, resistor R58 and resistor R59 are 100 nF, 33 pF, 33 pF, 33 pF, 1K, 1K, 10K, 22Ω, 22Ω and 22Ω respectively.

[0174] Resistors R48 and R49 form a transmitting level conversion circuit, and transistor Q12 and resistor R50 form a receiving level conversion circuit to ensure stable data transmission and reception between the remote data circuit and the main controller.

[0175] The resistor and capacitor in Figure 5 (c) play a role in peripheral stability for the SIM card.

[0176] As a preferred embodiment of this invention:

[0177] like Figure 6 As shown, the monitoring device circuit 5 includes a communication chip U12.

[0178] The terminal 1 of the communication chip U12 is connected to the terminal 35 of the microcontroller chip U10.

[0179] Terminals 2 and 3 of the communication chip U12 are connected to terminal 37 of the microcontroller chip U10.

[0180] The 4th terminal of the communication chip U12 is connected to the 34th terminal of the microcontroller chip U10.

[0181] Terminal 5 of the communication chip U12 is grounded.

[0182] The terminal 6 of the communication chip U12 is connected to one end of the resistor R23, and the other end of the resistor R23 is connected to the terminal 7 of the communication chip U12.

[0183] The terminal 8 of the communication chip U12 is connected to the terminal 3 of the communication chip A4.

[0184] The 6th terminal of the communication chip U12 is connected to the communication port A of the external detection device, and the 7th terminal of the communication chip U12 is connected to the communication port B of the external detection device.

[0185] Terminal 1 of the communication chip A4 is grounded.

[0186] Two terminals of the communication chip A4 are connected to one terminal of the capacitor C27, and the other terminal of the capacitor C27 is grounded.

[0187] The 3 end of the communication chip A4 is connected to one end of the capacitor C6, and the other end of the capacitor C6 is grounded.

[0188] Terminal 2 of the communication chip A4 is also connected to terminal 5 of the communication chip U6.

[0189] One end of the communication chip U6 is connected to one end of the capacitor C20, and the other end of the capacitor C20 is grounded; one end of the communication chip U6 is also connected to two ends of the power chip U15 in the power management circuit 6.

[0190] Two terminals of the communication chip U6 are grounded.

[0191] Terminal 3 of the communication chip U6 is connected to terminal 47 of the microcontroller chip U10.

[0192] Preferably, the detection chip U12, the detection chip U6, the detection chip A4, the model is MAX485, SGM2040, ME6210.

[0193] Preferably, the values ​​of resistor R23, capacitor C20, capacitor C27, and capacitor C6 are 120, 0.1UF, 0.1UF, and 0.1UF.

[0194] Among them, the power socket JP2, diode D1, diode D5, diode D9, diode D2, power chip U1, power chip A3, diode D8, diode D3, field effect transistor Q1, field effect transistor Q8, power chip U15, the models are 1X2 / 2.54, M7, M7, M7, M7, ME6210A5, ME6210A36PG, M7, M7, A03407, A03404, MIC29302A.

[0195] The values ​​of capacitor E1, resistor R14, resistor R71, resistor R72, and resistor R73 are 100NF, 2M, 100Ω, 120Ω, and 120Ω.

[0196] Among them, U12 is a 485 communication chip, which is connected to the pressure detection equipment on the on-site pipeline to ensure the pressure change in the pipeline to determine whether the valve is working normally. Chip U6 and A4 are power conversion chips, which convert the external battery voltage to the appropriate voltage range of the U12485 chip.

[0197] As a preferred embodiment of this invention:

[0198] As shown in FIGS. 7( a ) and 7 ( b ), the power management circuit 6 includes a power chip U1 .

[0199] Terminal 1 of the power chip U1 is grounded.

[0200] The 2 ends of the power chip U1 are connected to the source of the field effect transistor Q1, the drain of the field effect transistor Q1 is connected to the positive electrode of the diode D3, the negative electrode of the diode D3 is connected to the 2 ends of the power chip U15, the 4 ends of the power chip U15 are connected to one end of the resistor R73, the other end of the resistor R73 is connected to one end of the resistor R72, the other end of the resistor R72 is connected to the 5 ends of the power chip U15, the 5 ends of the power chip U15 are also connected to one end of the resistor R71, and the other end of the resistor R71 is grounded.

[0201] Two terminals of the power chip U1 are also connected to the anode of the diode D24.

[0202] The two ends of the power chip U1 are also connected to the two ends of the detection chip U8.

[0203] The 3 ends of the power chip U1 are connected to the positive electrode of the diode D5, the negative electrode of the diode D5 is connected to the positive electrode of the diode D9, the negative electrode of the diode D9 is connected to the 2 ends of the power chip A3, the 3 ends of the power chip A3 are connected to the positive electrode of the capacitor E1, the negative electrode of the capacitor E1 is grounded, and the 1 end of the power chip A3 is grounded.

[0204] Terminal 3 of the power chip A3 is also connected to terminal 44 of the microcontroller chip U10.

[0205] The 3 ends of the power chip A3 are also connected to one end of the resistor R5, and the other end of the resistor R5 is connected to the 3 ends of the detection chip U8.

[0206] The cathode of the diode D9 is also connected to the cathode of the diode D2, the anode of the diode D2 is connected to the anode of the diode D8, and the cathode of the diode D8 is connected to the 5 terminal of the power chip U15.

[0207] The cathode of the diode D2 is also connected to the cathode of the diode D22.

[0208] The gate of the field effect transistor Q1 is connected to the drain of the field effect transistor Q8, the gate of the field effect transistor Q8 is connected to the terminal 15 of the microcontroller chip U10, and the source of the field effect transistor Q8 is grounded.

[0209] The terminal 1 of the power chip U15 is connected to the terminal 45 of the microcontroller chip U10.

[0210] Two terminals of the power chip U15 are connected to one terminal of the communication chip U6.

[0211] Terminal 4 of the power chip U15 is also connected to terminals 9 and 10 of the remote transmission chip U11.

[0212] The power chips U1, A3, and U15 are all used to convert the external battery voltage into a voltage range suitable for the main controller and the remote data module.

[0213] The U15 power chip peripheral resistors R71, R72 and R73 are voltage range adjustment circuits. Through specific circuit calculations, the output voltage range of pin 4 of the U15 power chip is guaranteed to be stable.

[0214] The MOS tubes Q1 and Q8 control the power supply mode to be the main battery or the backup battery through the main control pin 15.

[0215] The specific working process of this utility model:

[0216] This device is powered by two ways: an external battery and a backup battery. The voltage is converted into the main control working voltage through Figure 7 (a) to ensure the normal operation of the main controller. The voltage is converted into the working voltage of the valve of the detection equipment in Figure 5 through Figure 7 (b). Figure 4 Remote transmission circuit operating voltage, where Figure 4 To monitor in real time whether the two power supply voltages are normal and ensure that the device can work normally.

[0217] The general working process is as follows: after the valves to be controlled on site and the pressure gauges on the corresponding pipelines are connected externally, the remote data module, valve equipment control module, and main controller are matched with appropriate voltages through the power management circuit 6 to make them work normally. The status monitoring circuit 3 runs synchronously to monitor the power supply voltage to be normal. If it is lower than the set value, the valve is closed and the information is uploaded through the data upload circuit to remind the staff to replace the battery in time. Under normal circumstances, the remote data circuit issues the valve switch command to control the valve switch. After each action, the valve module of the detection equipment monitors whether the working status of the valve is normal. If it is abnormal, the remote data is uploaded and the alarm is used to remind the staff.

[0218] What is described above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be thought of by any technician familiar with the field within the technical scope disclosed by the utility model without creative work are all covered by the protection scope of the utility model.

Claims

1. A wireless gas valve control circuit, characterized in that: It comprises a main controller circuit (1), a valve control circuit (2) respectively connected to the main controller circuit (1), an operation status monitoring circuit (3), a data remote transmission circuit (4), a monitoring device circuit (5) and a power management circuit (6); The power management circuit (6) is also respectively connected to the valve control circuit (2), the operation status monitoring circuit (3), the data remote transmission circuit (4), and the monitoring device circuit (5).

2. The wireless gas valve control circuit according to claim 1, characterized in that: The main controller circuit (1) comprises a microcontroller chip U10 and a peripheral circuit connected to the microcontroller chip U10; The peripheral circuit includes a crystal oscillator X1, one end of the crystal oscillator X1 is connected to the 8 terminal of the microcontroller chip U10, and the other end is connected to the 9 terminal of the microcontroller chip U10; The peripheral circuit also includes a capacitor C23 and a capacitor C24, one end of the capacitor C23 is connected to the 8 terminal of the microcontroller chip U10, and the other end is grounded, and one end of the capacitor C24 is connected to the 9 terminal of the microcontroller chip U10, and the other end is grounded; Terminal 15 of the microcontroller chip U10 is connected to the gate of the field effect transistor Q8 in the power management circuit (6); Terminal 44 of the microcontroller chip U10 is connected to terminal 3 of the power chip A3 in the power management circuit (6); The terminal 45 of the microcontroller chip U10 is connected to the terminal 1 of the power chip U15 in the power management circuit (6); The terminal 50 of the microcontroller chip U10 is connected to one end of a resistor R18 in the valve control circuit (2), and the other end of the resistor R18 is connected to the base of a transistor Q6 in the valve control circuit (2); The terminal 51 of the microcontroller chip U10 is connected to one end of a resistor R19 in the valve control circuit (2), and the other end of the resistor R19 is connected to the base of a transistor Q7 in the valve control circuit (2); Terminal 38 of the microcontroller chip U10 is connected to terminal 3 of the detection chip U8 in the operation status monitoring circuit (3); The terminal 61 of the microcontroller chip U10 is connected to one end of the resistor R9 in the operation status monitoring circuit (3), the other end of the resistor R9 is connected to one end of the resistor R12 in the operation status monitoring circuit (3), and the other end of the resistor R12 is connected to the positive electrode of the diode DD8; The terminal 32 of the microcontroller chip U10 is connected to the collector of the transistor Q12 in the data remote transmission circuit (4); The terminal 33 of the microcontroller chip U10 is connected to one end of a resistor R48 in the data remote transmission circuit (4), and the other end of the resistor R48 is connected to the terminal 18 of the remote transmission chip U11 in the data remote transmission circuit (4); The terminal 34 of the microcontroller chip U10 is connected to the terminal 4 of the communication chip U12 in the monitoring device circuit (5); The terminal 35 of the microcontroller chip U10 is connected to the terminal 1 of the communication chip U12 in the monitoring device circuit (5); Terminal 37 of the microcontroller chip U10 is connected to terminals 2 and 3 of the communication chip U12 in the monitoring device circuit (5); Terminal 47 of the microcontroller chip U10 is connected to terminal 3 of the communication chip U6 in the monitoring device circuit (5); Terminals 63 and 62 of the microcontroller chip U10 are both grounded.

3. The wireless gas valve control circuit according to claim 2, characterized in that: The valve control circuit (2) comprises a transistor P1; The emitter of the transistor P1 is connected to one end of the resistor R24, the other end of the resistor R24 ​​is connected to the cathode of the diode D24, and the anode of the diode D24 is connected to two ends of the power chip U1 in the power management circuit (6); The base of the transistor P1 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to the emitter of the transistor P1, the base of the transistor P1 is also connected to one end of the resistor R30, the other end of the resistor R30 is connected to the collector of the transistor Q6, the base of the transistor Q6 is connected to one end of the resistor R18, and the other end of the resistor R18 is connected to the 50 terminal of the microcontroller chip U10; The collector of the transistor P1 is connected to the collector of the transistor P4, the base of the transistor P4 is connected to one end of the resistor R32, the other end of the resistor R32 is connected to the emitter of the transistor Q7, the base of the transistor Q7 is connected to the resistor R19, the other end of the resistor R19 is connected to the 51 terminal of the microcontroller chip U10, and the collector of the transistor P1 is also connected to the positive electrode of the external valve; The emitter of the transistor P2 is connected to the emitter of the transistor P1, the emitter of the transistor P2 is also connected to one end of the resistor R11, and the other end of the resistor R11 is connected to the emitter of the transistor P2; The base of the transistor P2 is connected to one end of the resistor R33, and the other end of the resistor R33 is connected to the base of the transistor Q7; The collector of the transistor P2 is connected to the collector of the transistor P3, and the collector of the transistor P2 is also connected to the negative electrode of the external valve; One end of the base resistor R31 of the transistor P3 is connected, and the other end of the resistor R31 is connected to the emitter of the transistor Q6; The emitters of the transistor P3 and the transistor P4 are both grounded.

4. The wireless gas valve control circuit according to claim 3, characterized in that: The operation status monitoring circuit (3) comprises a power socket JP1: One end of the power socket JP1 is grounded, two ends of the power socket JP1 are connected to the positive electrode of the diode D22, the negative electrode of the diode D22 is connected to the negative electrode of the diode DD8, and the negative electrode of the diode D22 is also connected to the positive electrode of the diode D2 in the power management circuit (6); The positive electrode of the diode DD8 is connected to one end of the resistor R12, the other end of the resistor R12 is connected to the resistor R9, and the other end of the resistor R9 is connected to the terminal 61 of the microcontroller chip U10; The positive electrode of the diode DD8 is grounded; The cathode of the diode D22 is also connected to one end of the resistor R1, and the other end of the resistor R1 is connected to one end of the resistor R12 connected to the resistor R9; The operation status monitoring circuit (3) further comprises a detection chip U8; The 2 ends of the detection chip U8 are connected to the 2 ends of the power chip U1 in the power management circuit (6), the 3 ends of the detection chip U8 are connected to one end of the resistor R5, the other end of the resistor R5 is connected to the 3 ends of the power chip A3 in the power management circuit (6), and the 3 ends of the detection chip U8 are also connected to the 38 ends of the microcontroller chip U10; Terminal 1 of the detection chip U8 is grounded.

5. The wireless gas valve control circuit according to claim 4, characterized in that: The data remote transmission circuit (4) comprises a remote transmission chip U11; Terminals 1, 2, 4, 5, 7, 8, 32, 42-51, 55, 57, 60, 63, 65, 68, 70 and 86 of the remote transmission chip U11 are grounded, terminal 96 of the remote transmission chip U11 is connected to terminal 2 of the antenna JP2, and terminal 1 of the antenna JP2 is grounded; The terminal 72 of the remote transmission chip U11 is connected to one end of the resistor R50, the other end of the resistor R50 is connected to the collector of the transistor Q12, the base of the transistor Q12 is connected to the terminal 13 of the remote transmission chip U11, and the emitter of the transistor Q12 is connected to the terminal 19 of the remote transmission chip U11; The collector of the transistor Q12 is also connected to the terminal 32 of the microcontroller chip U10; The terminal 18 of the remote transmission chip U11 is connected to one end of the resistor R48, the other end of the resistor R48 is connected to the terminal 33 of the microcontroller chip U10, the terminal 18 of the transmission chip U11 is also connected to one end of the resistor R49, the other end of the resistor R49 is grounded; Terminals 8 and 9 of the remote transmission chip U11 are connected to terminal 4 of the power chip U15 in the power management circuit (6); The data remote transmission circuit (4) also includes a telephone card J11; The terminal 1 of the telephone card J11 is connected to one end of the capacitor C37, the other end of the capacitor C37 is connected to the terminal 4 of the telephone card J11, the terminal 4 of the telephone card J11 is grounded, and the terminal 1 of the telephone card J11 is also connected to the terminal 11 of the remote transmission chip U11; The 2 ends of the telephone card J11 are connected to one end of the resistor R57, the other end of the resistor R57 is connected to the 25 end of the remote transmission chip U11, the 25 end of the remote transmission chip U11 is also connected to one end of the capacitor C40, and the other end of the capacitor C40 is grounded; The 3 end of the telephone card J11 is connected to one end of the resistor R58, the other end of the resistor R58 is connected to the 24 end of the remote transmission chip U11, the 24 end of the remote transmission chip U11 is also connected to one end of the capacitor C39, the other end of the capacitor C39 is grounded; Terminal 6 of the telephone card J11 is connected to one end of the resistor R59, the other end of the resistor R58 is connected to terminal 23 of the remote transmission chip U11, the terminal 23 of the remote transmission chip U11 is also connected to one end of the capacitor C38, and the other end of the capacitor C38 is grounded.

6. The wireless gas valve control circuit according to claim 5, characterized in that: The monitoring device circuit (5) includes a communication chip U12; The terminal 1 of the communication chip U12 is connected to the terminal 35 of the microcontroller chip U10; Terminals 2 and 3 of the communication chip U12 are connected to terminal 37 of the microcontroller chip U10; The 4th terminal of the communication chip U12 is connected to the 34th terminal of the microcontroller chip U10; Terminal 5 of the communication chip U12 is grounded; The terminal 6 of the communication chip U12 is connected to one end of the resistor R23, and the other end of the resistor R23 is connected to the terminal 7 of the communication chip U12; The terminal 8 of the communication chip U12 is connected to the terminal 3 of the communication chip A4; The 6th terminal of the communication chip U12 is connected to the communication port A of the external detection device, and the 7th terminal of the communication chip U12 is connected to the communication port B of the external detection device; Terminal 1 of the communication chip A4 is grounded Two ends of the communication chip A4 are connected to one end of the capacitor C27, and the other end of the capacitor C27 is grounded; The 3 end of the communication chip A4 is connected to one end of the capacitor C6, and the other end of the capacitor C6 is grounded; The 2nd terminal of the communication chip A4 is also connected to the 5th terminal of the communication chip U6; One end of the communication chip U6 is connected to one end of the capacitor C20, and the other end of the capacitor C20 is grounded; one end of the communication chip U6 is also connected to two ends of the power chip U15 in the power management circuit (6); Two terminals of the communication chip U6 are grounded; Terminal 3 of the communication chip U6 is connected to terminal 47 of the microcontroller chip U10.

7. The wireless gas valve control circuit according to claim 6, characterized in that: The power management circuit (6) comprises a power chip U1; Terminal 1 of the power chip U1 is grounded; The 2 ends of the power chip U1 are connected to the source of the field effect transistor Q1, the drain of the field effect transistor Q1 is connected to the positive electrode of the diode D3, the negative electrode of the diode D3 is connected to the 2 ends of the power chip U15, the 4 ends of the power chip U15 are connected to one end of the resistor R73, the other end of the resistor R73 is connected to one end of the resistor R72, the other end of the resistor R72 is connected to the 5 ends of the power chip U15, the 5 ends of the power chip U15 are also connected to one end of the resistor R71, and the other end of the resistor R71 is grounded; The two ends of the power chip U1 are also connected to the positive electrode of the diode D24; The two ends of the power chip U1 are also connected to the two ends of the detection chip U8; The 3rd terminal of the power chip U1 is connected to the positive electrode of the diode D5, the negative electrode of the diode D5 is connected to the positive electrode of the diode D9, the negative electrode of the diode D9 is connected to the 2nd terminal of the power chip A3, the 3rd terminal of the power chip A3 is connected to the positive electrode of the capacitor E1, the negative electrode of the capacitor E1 is grounded, and the 1st terminal of the power chip A3 is grounded; Terminal 3 of the power chip A3 is also connected to terminal 44 of the microcontroller chip U10; The 3 end of the power chip A3 is also connected to one end of the resistor R5, and the other end of the resistor R5 is connected to the 3 end of the detection chip U8; The cathode of the diode D9 is also connected to the cathode of the diode D2, the anode of the diode D2 is connected to the anode of the diode D8, and the cathode of the diode D8 is connected to the 5 terminal of the power chip U15; The cathode of the diode D2 is also connected to the cathode of the diode D22; The gate of the field effect transistor Q1 is connected to the drain of the field effect transistor Q8, the gate of the field effect transistor Q8 is connected to the terminal 15 of the microcontroller chip U10, and the source of the field effect transistor Q8 is grounded; The terminal 1 of the power chip U15 is connected to the terminal 45 of the microcontroller chip U10; The two ends of the power chip U15 are connected to the one end of the communication chip U6; Terminal 4 of the power chip U15 is also connected to terminals 9 and 10 of the remote transmission chip U11.

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