Gas meter control system with communication function

Abstract

The utility model relates to the technical field of gas meters, in particular to a gas meter control system with a communication function, which comprises a control module used for receiving and controlling data, a monitoring module used for monitoring the state of a gas meter, and a communication module used for communicating with a corresponding control terminal in an NB-loT mode and / or a Bluetooth mode, and the driving module is used for driving a corresponding gas meter valve to open and close. According to the utility model, a series of work such as monitoring of the state of the gas meter, communication of the gas meter, opening and closing of the gas meter and the like can be realized, the automation and intelligence degrees are high, the valve closing of the gas meter valve can be automatically controlled according to the monitored abnormal state, and alarm information is transmitted to the control terminal through the communication module; and meanwhile, communication with the corresponding control terminal is realized through an NB-loT mode and a Bluetooth mode, so that networking control and local control are conveniently realized, the labor intensity of maintenance personnel is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas meters, in particular to a gas meter control system with a communication function. Background Art

[0002] Gas is a general term for gaseous fuels. It can burn and release heat for use by urban residents and industrial enterprises. Compared with developed countries, my country's gas supply industry started later, but with the development of industrialization, gas as an energy supply fuel has become the focus of everyone's attention. Along with gas, there is a device for shutting down gas usage. As a metering tool for measuring gas usage, the gas meter is usually connected to the gas pipeline at one end and the stove at the other end. When the user uses gas, the gas enters the stove from the gas pipeline through the gas meter and the connecting pipeline. With the development of information technology, gas meters with communication functions have a huge application market, while the communication layout of existing gas meters is relatively complex. Each installation of a certain number of gas meters requires the installation of a corresponding relay server for partitioned relay control. The equipment cost is high, and it does not support local communication modifications, which causes inconvenience to the maintenance personnel. Utility Model Content

[0003] The technical problem to be solved by the utility model is that the existing gas meters have poor communication capabilities, do not support local communication, and are relatively cumbersome to maintain.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions: a gas meter control system with communication function, including a control module for receiving data and performing control, a monitoring module for monitoring the status of the gas meter, a communication module for communicating with a corresponding control terminal via NB-loT and / or Bluetooth, and a driving module for driving the corresponding gas meter valve to open and close. The control module communicates with the corresponding control terminal via the communication module, and the signal output end of the monitoring module and the control end of the driving module are both connected to the control module.

[0005] When the utility model is working, it can realize a series of tasks such as monitoring the status of the gas meter, communicating with the gas meter, and opening and closing the gas meter, with a high degree of automation and intelligence. It can automatically control the closing of the gas meter valve according to the abnormal status detected, and transmit the alarm information to the control terminal through the communication module. At the same time, it communicates with the corresponding control terminal through NB-loT and Bluetooth, which facilitates the realization of network control and local control, reduces the labor intensity of maintenance personnel, and improves work efficiency.

[0006] Preferably, the communication module includes a NB-loT communication circuit and a Bluetooth communication circuit, and both the NB-loT communication circuit and the Bluetooth communication circuit are connected to the control module.

[0007] Preferably, the Bluetooth communication module includes a Bluetooth communication chip U13, a MOS tube Q6, a resistor R69, a resistor R70, a capacitor C60 and a capacitor C61, the gate of the MOS tube Q6 is connected to the Bluetooth power control port of the control module through the resistor R70, the source of the MOS tube Q6 is connected to the power supply and is connected to the gate of the MOS tube Q6 through the resistor R69, and the drain of the MOS tube Q6 is connected to the VDD port of the Bluetooth communication chip U13 and is grounded through the capacitors C60 and C61 respectively.

[0008] Preferably, the driving module includes a driving chip U5, a diode D20, a diode D21, a resistor R92, a resistor R93, a capacitor C22, a capacitor C23 and a capacitor C24, the OUT1 port of the driving chip U5 is connected to the first end of the corresponding gas meter valve, the OUT2 port of the driving chip U5 is connected to the second end of the corresponding gas meter valve, the VM port of the driving chip U5 is grounded through the capacitor C23, the VCC port and the SLEEP port of the driving chip U5 are connected to the control module and are grounded through the capacitor C22, the OUT1 port of the driving chip U5 is connected to the first end of the resistor R92, the second end of the resistor R92 is connected to the OUT2 port of the driving chip U5 through the diode D20 and the diode D21 respectively, and is connected to the OUT2 port of the driving chip U5 through the resistor R93 and the capacitor C24.

[0009] Preferably, it also includes a power supply module and a backup power module for powering the control module, the monitoring module, the communication module and the driving module, the backup power module includes a backup power supply P2, a transistor Q16, a transistor Q17, a diode D4, a resistor R80, a resistor R39, a resistor R40, a resistor R81, a resistor R82, a capacitor C10 and a capacitor C32, the base of the transistor Q16 is connected to the control module through the resistor R80, the emitter of the transistor Q16 is grounded, and the transistor Q17 is connected to the control module through the resistor R80. The collector of 6 is connected to the emitter of the transistor Q17 through the resistor R39 and is connected to the base of the transistor Q17 through the resistor R40. The emitter of the transistor Q17 is connected to the second end of the backup power supply P2 and the anode of the diode D4. The collector of the transistor Q17 is connected to the first end of the resistor R81. The second end of the resistor R81 is grounded and connected to the control module through the resistor R82 and the capacitor C32 respectively. The cathode of the diode D4 is connected to the power supply and is grounded through the capacitor C10.

[0010] The beneficial technical effects of the utility model include:

[0011] The utility model can realize a series of tasks such as monitoring the status of the gas meter, communicating with the gas meter, and opening and closing the gas meter, with a high degree of automation and intelligence. It can automatically control the closing of the gas meter valve according to the abnormal status detected, and transmit the alarm information to the control terminal through the communication module. At the same time, it communicates with the corresponding control terminal through NB-loT and Bluetooth, which facilitates the realization of network control and local control, reduces the labor intensity of maintenance personnel, and improves work efficiency.

[0012] Other features and advantages of the present invention will be disclosed in detail in the following specific implementations and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings:

[0014] Figure 1 It is a structural schematic diagram of a gas meter control system with communication function;

[0015] Figure 2 It is the circuit structure diagram of the control module;

[0016] Figure 3 It is the circuit structure diagram of the communication module;

[0017] Figure 4 This is the circuit structure diagram of the drive module;

[0018] Figure 5 This is a circuit diagram of the power module and the backup power module. DETAILED DESCRIPTION

[0019] The following is an explanation and description of the technical scheme of the embodiment of the utility model in conjunction with the drawings of the embodiment of the utility model, but the following embodiment is only a preferred embodiment of the utility model, not all. Based on the embodiment in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.

[0020] In the following description, terms such as "inside", "outside", "up", "down", "left", "right", etc. that indicate directions or positional relationships are only used to facilitate the description of the embodiments and simplify the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.

[0021] Please see attached Figure 1The present embodiment discloses a gas meter control system with a communication function, including a control module 1 for receiving data and performing control, a monitoring module 2 for monitoring the status of the gas meter, a communication module 3 for communicating with a corresponding control terminal via NB-loT and / or Bluetooth, and a driving module 4 for driving the corresponding gas meter valve to open and close, which will be described in detail below in conjunction with the accompanying drawings.

[0022] Please see attached Figure 2 To Attachment Figure 5 The control module 1 communicates with the corresponding control terminal through the communication module 3 , and the signal output end of the monitoring module 2 and the control end of the driving module 4 are both connected to the control module 1 .

[0023] When this embodiment is working, it can realize a series of tasks such as monitoring the status of the gas meter, communicating with the gas meter, and opening and closing the gas meter. It has a high degree of automation and intelligence. It can automatically control the closing of the gas meter valve according to the abnormal status detected, and transmit the alarm information to the control terminal through the communication module 3. At the same time, it communicates with the corresponding control terminal through NB-loT and Bluetooth, which facilitates the realization of network control and local control, reduces the labor intensity of maintenance personnel, and improves work efficiency.

[0024] Preferably, the communication module 3 includes a NB-loT communication circuit 31 and a Bluetooth communication circuit 32, and both the NB-loT communication circuit 31 and the Bluetooth communication circuit 32 are connected to the control module 1.

[0025] In a specific implementation, the Bluetooth communication module 3 includes a Bluetooth communication chip U13, a MOS tube Q6, a resistor R69, a resistor R70, a capacitor C60 and a capacitor C61. The gate of the MOS tube Q6 is connected to the Bluetooth power control port of the control module 1 through the resistor R70, the source of the MOS tube Q6 is connected to the power supply and is connected to the gate of the MOS tube Q6 through the resistor R69, and the drain of the MOS tube Q6 is connected to the VDD port of the Bluetooth communication chip U13 and is grounded through the capacitors C60 and C61 respectively.

[0026] Preferably, the driving module 4 includes a driving chip U5, a diode D20, a diode D21, a resistor R92, a resistor R93, a capacitor C22, a capacitor C23 and a capacitor C24, the OUT1 port of the driving chip U5 is connected to the first end of the corresponding gas meter valve, the OUT2 port of the driving chip U5 is connected to the second end of the corresponding gas meter valve, the VM port of the driving chip U5 is grounded through the capacitor C23, the VCC port and the SLEEP port of the driving chip U5 are connected to the control module 1 and are grounded through the capacitor C22, the OUT1 port of the driving chip U5 is connected to the first end of the resistor R92, the second end of the resistor R92 is connected to the OUT2 port of the driving chip U5 through the diode D20 and the diode D21 respectively, and is connected to the OUT2 port of the driving chip U5 through the resistor R93 and the capacitor C24.

[0027] As a further improvement of the present embodiment, a power module 5 and a backup power module 6 for supplying power to the control module 1, the monitoring module 2, the communication module 3 and the driving module 4 are also included. The backup power module 6 includes a backup power source P2, a transistor Q16, a transistor Q17, a diode D4, a resistor R80, a resistor R39, a resistor R40, a resistor R81, a resistor R82, a capacitor C10 and a capacitor C32. The base of the transistor Q16 is connected to the control module 1 through the resistor R80, the emitter of the transistor Q16 is grounded, and the collector of the transistor Q16 is connected to the transistor through the resistor R39. The emitter of the transistor Q17 is connected and connected to the base of the transistor Q17 through the resistor R40. The emitter of the transistor Q17 is connected to the second end of the backup power supply P2 and the anode of the diode D4. The collector of the transistor Q17 is connected to the first end of the resistor R81. The second end of the resistor R81 is grounded through the resistor R82 and the capacitor C32 and connected to the control module 1. The cathode of the diode D4 is connected to the power supply and grounded through the capacitor C10. The backup power module 6 can provide emergency power supply after the power module 5 fails, which can improve the stability of the use of the gas meter and has a high safety factor.

[0028] The beneficial technical effects of this embodiment include: the utility model can realize a series of tasks such as monitoring the status of the gas meter, communicating with the gas meter, and opening and closing the gas meter, with a high degree of automation and intelligence. It can automatically control the closing of the gas meter valve according to the abnormal status detected, and transmit alarm information to the control terminal through the communication module. At the same time, it communicates with the corresponding control terminal through NB-loT and Bluetooth, which facilitates the realization of network control and local control, reduces the labor intensity of maintenance personnel, and improves work efficiency.

[0029] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Those skilled in the art should understand that the utility model includes but is not limited to the contents described in the drawings and the above specific implementation. Any modification that does not deviate from the functional and structural principles of the utility model will be included in the scope of the claims.

Claims

1. A gas meter control system with communication function, characterized in that: The invention comprises a control module (1) for receiving data and performing control, a monitoring module (2) for monitoring the state of a gas meter, a communication module (3) for communicating with a corresponding control terminal via NB-IoT and / or Bluetooth, and a drive module (4) for driving the corresponding gas meter valve to open and close. The control module (1) communicates with the corresponding control terminal via the communication module (3), and the signal output end of the monitoring module (2) and the control end of the drive module (4) are both connected to the control module (1).

2. A gas meter control system with communication function according to claim 1, characterized in that: The communication module (3) comprises a NB-loT communication circuit (31) and a Bluetooth communication circuit (32), and the NB-loT communication circuit (31) and the Bluetooth communication circuit (32) are both connected to the control module (1).

3. A gas meter control system with communication function according to claim 2, characterized in that: The Bluetooth communication module (3) comprises a Bluetooth communication chip U13, a MOS tube Q6, a resistor R69, a resistor R70, a capacitor C60 and a capacitor C61, the gate of the MOS tube Q6 being connected to the Bluetooth power control port of the control module (1) via the resistor R70, the source of the MOS tube Q6 being connected to the power supply and being connected to the gate of the MOS tube Q6 via the resistor R69, and the drain of the MOS tube Q6 being connected to the VDD port of the Bluetooth communication chip U13 and being grounded via the capacitors C60 and C61 respectively.

4. A gas meter control system with communication function according to claim 1, characterized in that: The driving module (4) comprises a driving chip U5, a diode D20, a diode D21, a resistor R92, a resistor R93, a capacitor C22, a capacitor C23 and a capacitor C24; an OUT1 port of the driving chip U5 is connected to a first end of a corresponding gas meter valve; an OUT2 port of the driving chip U5 is connected to a second end of a corresponding gas meter valve; a VM port of the driving chip U5 is grounded via a capacitor C23; a VCC port and a SLEEP port of the driving chip U5 are connected to a control module (1) and are grounded via a capacitor C22; an OUT1 port of the driving chip U5 is connected to a first end of the resistor R92; a second end of the resistor R92 is connected to an OUT2 port of the driving chip U5 via a diode D20 and a diode D21 respectively, and is connected to an OUT2 port of the driving chip U5 via a resistor R93 and a capacitor C24.

5. A gas meter control system with communication function according to claim 1, characterized in that: The device also includes a power supply module (5) and a backup power module (6) for supplying power to the control module (1), the monitoring module (2), the communication module (3) and the drive module (4); the backup power module (6) includes a backup power source P2, a transistor Q16, a transistor Q17, a diode D4, a resistor R80, a resistor R39, a resistor R40, a resistor R81, a resistor R82, a capacitor C10 and a capacitor C32; the base of the transistor Q16 is connected to the control module (1) via the resistor R80, and the emitter of the transistor Q16 is grounded. The collector of the transistor Q16 is connected to the emitter of the transistor Q17 through the resistor R39 and to the base of the transistor Q17 through the resistor R40. The emitter of the transistor Q17 is connected to the second end of the backup power supply P2 and the anode of the diode D4. The collector of the transistor Q17 is connected to the first end of the resistor R81. The second end of the resistor R81 is grounded through the resistor R82 and the capacitor C32 and is connected to the control module (1). The cathode of the diode D4 is connected to the power supply and is grounded through the capacitor C10.

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