Gas meter control system with onboard voltage stabilization detection function

Abstract

The utility model relates to the technical field of gas meters, in particular to a gas meter control system with onboard pressure stabilization detection, which comprises a main control module, a pipeline temperature and pressure detection module, a gas meter control module, a gas meter control module and a gas meter control module, the onboard temperature and pressure detection module is used for detecting the temperature and pressure of the environment where the gas meter is located, the alarm module is used for outputting an alarm signal when it is detected that the temperature and pressure of the pipeline are abnormal or the temperature and pressure of the environment where the gas meter is located are abnormal, and the valve closing module is used for driving the gas valve to be closed. According to the utility model, a series of automatic tasks such as temperature and pressure detection of the gas pipeline, temperature and pressure detection of the environment where the gas meter is located, automatic alarm when abnormal conditions occur, automatic closing of the valve of the gas meter and the like can be realized, the degree of automation and intelligence is high, the safety factor is greatly improved, the installation process is optimized, and the cost is reduced. The labor cost is saved, and the production efficiency can be 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 on-board voltage stabilization detection. Background Technique

[0002] Gas is the general term for gaseous fuels, which can burn to release heat and is used by urban residents and industrial enterprises. Compared with developed countries, the gas supply industry in China started relatively late. However, with the development of industrialization, gas has become the focus of attention as an energy supply fuel. Along with gas, there is a device for measuring the gas usage during shutdown. As a measuring tool for measuring the used gas, the usual connection method of a gas meter is to connect one end to a gas pipeline and the other end to a cooking stove. When a user uses gas, the gas flows from the gas pipeline through the gas meter and the connecting pipeline into the cooking stove. During operation, it is necessary to detect the temperature and pressure of the gas pipeline. When the temperature or pressure of the gas pipeline is abnormal, it is necessary to promptly close the gas meter valve to protect the personal and property safety of the users. However, in actual life, it is also necessary to detect the temperature and pressure of the environment where the gas meter is located. The existing detection methods generally use external temperature and pressure sensors for detection, with relatively low detection accuracy. At the same time, it is more difficult to arrange during installation, and there are more connecting wires, resulting in more complex installation steps and low production efficiency. Content of the Utility Model

[0003] The technical problem to be solved by the utility model: The existing gas meter has poor environmental information detection ability, low detection accuracy, and it is more difficult to install the temperature and pressure sensors, with more connecting wires, reducing the production efficiency.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: A gas meter control system with on-board voltage stabilization detection, including a main control module for receiving, processing data and controlling, a pipeline temperature and pressure detection module for detecting the temperature and pressure of the gas pipeline, an on-board temperature and pressure detection module for detecting the temperature and pressure of the environment where the gas meter is located, an alarm module for outputting an alarm signal when detecting abnormal pipeline temperature and pressure or abnormal temperature and pressure of the environment where the gas meter is located, and a valve closing module for driving the gas valve to close. The signal output ends of the pipeline temperature and pressure detection module and the on-board temperature and pressure detection module are both connected to the main control module, and the control ends of the alarm module and the valve closing module are both connected to the main control module.

[0005] When the utility model works, it can realize a series of automation tasks such as detecting the temperature and pressure of the gas pipeline, detecting the temperature and pressure of the environment where the gas meter is located, automatically alarming in case of abnormal situations, and automatically closing the gas meter valve. It has a high degree of automation and intelligence, greatly improving the safety factor. At the same time, it adopts an on-board temperature and pressure detection module, which can detect the temperature and pressure of the environment where the gas meter is located without an external temperature and pressure sensor, optimizing the installation process, saving labor costs, and improving production efficiency.

[0006] Preferably, the on-board temperature and pressure detection module includes a temperature and pressure detection chip U20, a resistor R96, a resistor R97, and a capacitor C64. The VDD port of the temperature and pressure detection chip U20 is connected to the PA15 port of the main control module and grounded through the capacitor C64. The SDO port of the temperature and pressure detection chip U20 is connected to the PA15 port of the main control module through the resistor R97 and grounded through the resistor R96. The SDA port of the temperature and pressure detection chip U20 is connected to the PD10 port of the main control module, and the SCL port of the temperature and pressure detection chip U20 is connected to the PE9 port of the main control module.

[0007] Preferably, the alarm module includes a buzzer B1, a triode Q5, a resistor R42, and a resistor R47. The first port of the buzzer B1 is connected to the power supply through the resistor R42. The second port of the buzzer B1 is connected to the collector of the triode Q5. The emitter of the triode Q5 is grounded. The base of the triode Q5 is connected to the PD0 port of the main control module through the resistor R47.

[0008] Preferably, the alarm module further includes an alarm P10, a bead FB1, a bead FB2, a diode D10, a diode TVS2, a resistor R75, and a capacitor C8. The first port of the alarm P10 is grounded through the diode TVS2 and connected to the first end of the bead FB1 through the diode D10. The second end of the bead FB1 is connected to the PE5 of the main control module and connected to the power supply through the resistor R75. The second port of the alarm P10 is connected to the first end of the bead FB2. The second end of the bead FB2 is grounded and connected to the second end of the bead FB1 through the capacitor C8.

[0009] Preferably, an infrared module for realizing infrared control is further included. The input end and output end of the infrared module are connected to corresponding drive modules. The infrared module includes triode Q7, triode Q10, diode D5, diode D6, resistor R27, resistor R29, resistor R35, resistor R39, resistor R40, resistor R41, capacitor C26, and capacitor C32. The base of triode Q7 is connected to the PC6 port of the main control module through resistor R27. The emitter of triode Q7 is connected to the power supply. The collector of triode Q7 is respectively connected to the cathode of diode D6, the first end of resistor R29, the first end of resistor R34, and the anode of diode D6. The PC2 port of the main control module is grounded through capacitor C26 and is respectively connected to the second end of resistor R29 and the collector of triode Q10. The anode of diode D6 is connected to the base of triode Q10 through resistor R39. The base of triode Q10 is grounded through resistor R41 and capacitor C32 respectively. The emitter of triode Q10 is grounded. The second end of resistor R34 is connected to the PC3 port of the main control module and is connected to the base of triode Q9 through resistor R40. The collector of triode Q9 is grounded.

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

[0011] The present utility model can realize the detection of the temperature and pressure of the gas pipeline, the detection of the temperature and pressure of the environment where the gas meter is located, automatic alarm in case of abnormal situations, and a series of automated tasks such as automatically closing the gas meter valve. It has a high degree of automation and intelligence, greatly improves the safety factor. At the same time, by adopting the on-board temperature and pressure detection module, the detection of the temperature and pressure of the environment where the gas meter is located can be realized without an external temperature and pressure sensor, optimizing the installation process, saving labor costs, and improving production efficiency.

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

[0013] The following further describes the present utility model with reference to the drawings:

[0014] Figure 1 It is a schematic structural diagram of a gas meter control system with on-board voltage stabilization detection;

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

[0016] Figure 3 It is a circuit structure diagram of the on-board temperature and pressure detection module;

[0017] Figure 4 It is a circuit structure diagram of the alarm module;

[0018] Figure 5 It is the circuit structure diagram of the infrared module. Specific implementation manner

[0019] The technical solutions of the embodiments of the present utility model will be explained and described below with reference to the accompanying drawings of the embodiments of the present utility model. However, the following embodiments are only the preferred embodiments of the present utility model, not all of them. Based on the embodiments in the implementation manners, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present utility model.

[0020] In the following description, terms such as "inside", "outside", "upper", "lower", "left", "right", etc. indicating orientation or position relationship are only for the convenience of describing the embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model.

[0021] Please refer to the atta Figure 1 , this embodiment discloses a gas meter control system with on-board voltage stabilization detection, including a main control module 1 for receiving, processing data and controlling, a pipeline temperature and pressure detection module 2 for detecting the temperature and pressure of the gas pipeline, an on-board temperature and pressure detection module 3 for detecting the temperature and pressure of the environment where the gas meter is located, an alarm module 4 for outputting an alarm signal when detecting abnormal pipeline temperature and pressure or abnormal temperature and pressure of the environment where the gas meter is located, and a valve closing module 5 for driving the gas valve to close. The following will be described in detail with reference to the accompanying drawings.

[0022] Please refer to the atta Figure 2 to atta Figure 5 , in this embodiment, the signal output ends of the pipeline temperature and pressure detection module 2 and the on-board temperature and pressure detection module 3 are both connected to the main control module 1, and the control ends of the alarm module 4 and the valve closing module 5 are both connected to the main control module 1.

[0023] When this embodiment works, it can realize a series of automated tasks such as detecting the temperature and pressure of the gas pipeline, detecting the temperature and pressure of the environment where the gas meter is located, automatically alarming in case of abnormal situations, and automatically closing the gas meter valve. It has a high degree of automation and intelligence, greatly improves the safety factor. At the same time, by using the on-board temperature and pressure detection module 3, the temperature and pressure of the environment where the gas meter is located can be detected without an external temperature and pressure sensor, which optimizes the installation process, saves labor costs, and can improve production efficiency.

[0024] In specific implementation, the on-board temperature and pressure detection module 3 includes a temperature and pressure detection chip U20, a resistor R96, a resistor R97, and a capacitor C64. The VDD port of the temperature and pressure detection chip U20 is connected to the PA15 port of the main control module 1 and grounded through the capacitor C64. The SDO port of the temperature and pressure detection chip U20 is connected to the PA15 port of the main control module 1 through the resistor R97 and grounded through the resistor R96. The SDA port of the temperature and pressure detection chip U20 is connected to the PD10 port of the main control module 1, and the SCL port of the temperature and pressure detection chip U20 is connected to the PE9 port of the main control module 1.

[0025] Preferably, the alarm module 4 includes a buzzer B1, a triode Q5, a resistor R42, and a resistor R47. The first port of the buzzer B1 is connected to the power supply through the resistor R42. The second port of the buzzer B1 is connected to the collector of the triode Q5. The emitter of the triode Q5 is grounded. The base of the triode Q5 is connected to the PD0 port of the main control module 1 through the resistor R47.

[0026] As a further improvement of this embodiment, the alarm module 4 further includes an alarm P10, a magnetic bead FB1, a magnetic bead FB2, a diode D10, a diode TVS2, a resistor R75, and a capacitor C8. The first port of the alarm P10 is grounded through the diode TVS2 and connected to the first end of the magnetic bead FB1 through the diode D10. The second end of the magnetic bead FB1 is connected to the PE5 of the main control module 1 and connected to the power supply through the resistor R75. The second port of the alarm P10 is connected to the first end of the magnetic bead FB2. The second end of the magnetic bead FB2 is grounded and connected to the second end of the magnetic bead FB1 through the capacitor C8. Internal pull-up is adopted, and the magnetic bead can increase the anti-interference ability and has strong stability.

[0027] In specific implementation, for convenient control, it further includes an infrared module 6 for implementing infrared control. The input end and output end of the infrared module 6 are connected to the corresponding drive module. The infrared module 6 includes a triode Q7, a triode Q10, a diode D5, a diode D6, a resistor R27, a resistor R29, a resistor R35, a resistor R39, a resistor R40, a resistor R41, a capacitor C26, and a capacitor C32. The base of the triode Q7 is connected to the PC6 port of the main control module 1 through the resistor R27. The emitter of the triode Q7 is connected to the power supply. The collector of the triode Q7 is respectively connected to the cathode of the diode D6, the first end of the resistor R29, the first end of the resistor R34, and the anode of the diode D6. The PC2 port of the main control module 1 is grounded through the capacitor C26 and is respectively connected to the second end of the resistor R29 and the collector of the triode Q10. The anode of the diode D6 is connected to the base of the triode Q10 through the resistor R39. The base of the triode Q10 is grounded respectively through the resistor R41 and the capacitor C32. The emitter of the triode Q10 is grounded. The second end of the resistor R34 is connected to the PC3 port of the main control module 1 and is connected to the base of the triode Q9 through the resistor R40. The collector of the triode Q9 is grounded.

[0028] The beneficial technical effects of this embodiment include: The utility model can realize a series of automated tasks such as the detection of the temperature and pressure of the gas pipeline, the detection of the temperature and pressure of the environment where the gas meter is located, automatic alarm in case of abnormal situations, and automatic closing of the gas meter valve. It has a high degree of automation and intelligence, greatly improving the safety factor. At the same time, by using the on-board temperature and pressure detection module, the detection of the temperature and pressure of the environment where the gas meter is located can be realized without an external temperature and pressure sensor, optimizing the installation process, saving labor costs, and improving production efficiency.

[0029] As described above, it is only the specific implementation manner 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 content described in the drawings and the above specific implementation manner. 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 onboard voltage stabilization detection, characterized in that: The invention comprises a main control module (1) for receiving and processing data and performing control, a pipeline temperature and pressure detection module (2) for detecting the temperature and pressure of a gas pipeline, an onboard temperature and pressure detection module (3) for detecting the temperature and pressure of an environment in which a gas meter is located, an alarm module (4) for outputting an alarm signal when abnormalities in pipeline temperature and pressure or in the temperature and pressure of an environment in which a gas meter is located are detected, and a valve closing module (5) for driving a gas valve to close, wherein the signal output end of the pipeline temperature and pressure detection module (2) and the signal output end of the onboard temperature and pressure detection module (3) are both connected to the main control module (1), and the control end of the alarm module (4) and the control end of the valve closing module (5) are both connected to the main control module (1).

2. A gas meter control system with onboard voltage stabilization detection according to claim 1, characterized in that: The onboard temperature and pressure detection module (3) comprises a temperature and pressure detection chip U20, a resistor R96, a resistor R97 and a capacitor C64, the VDD port of the temperature and pressure detection chip U20 is connected to the PA15 port of the main control module (1) and is grounded through the capacitor C64, the SDO port of the temperature and pressure detection chip U20 is connected to the PA15 port of the main control module (1) through the resistor R97 and is grounded through the resistor R96, the SDA port of the temperature and pressure detection chip U20 is connected to the PD10 port of the main control module (1), and the SCL port of the temperature and pressure detection chip U20 is connected to the PE9 port of the main control module (1).

3. A gas meter control system with onboard voltage stabilization detection according to claim 1, characterized in that: The alarm module (4) comprises a buzzer B1, a transistor Q5, a resistor R42 and a resistor R47, wherein a first port of the buzzer B1 is connected to a power supply via the resistor R42, a second port of the buzzer B1 is connected to a collector of the transistor Q5, an emitter of the transistor Q5 is grounded, and a base of the transistor Q5 is connected to a PD0 port of the main control module (1) via the resistor R47.

4. A gas meter control system with onboard voltage stabilization detection according to claim 3, characterized in that: The alarm module (4) also includes an alarm P10, a magnetic bead FB1, a magnetic bead FB2, a diode D10, a diode TVS2, a resistor R75 and a capacitor C8. The first port of the alarm P10 is grounded through the diode TVS2 and connected to the first end of the magnetic bead FB1 through the diode D10. The second end of the magnetic bead FB1 is connected to PE5 of the main control module (1) and is connected to a power supply through the resistor R75. The second port of the alarm P10 is connected to the first end of the magnetic bead FB2. The second end of the magnetic bead FB2 is grounded and connected to the second end of the magnetic bead FB1 through the capacitor C8.

5. A gas meter control system with onboard voltage stabilization detection according to claim 1, characterized in that: The infrared module (6) is also included for realizing infrared control. The input end and the output end of the infrared module (6) are connected to the corresponding driving module. The infrared module (6) includes a transistor Q7, a transistor Q10, a diode D5, a diode D6, a resistor R27, a resistor R29, a resistor R35, a resistor R39, a resistor R40, a resistor R41, a capacitor C26 and a capacitor C32. The base of the transistor Q7 is connected to the PC6 port of the main control module (1) through the resistor R27. The emitter of the transistor Q7 is connected to the power supply. The collector of the transistor Q7 is connected to the cathode of the diode D6 and the first terminal of the resistor R29. The first end of the resistor R34 and the anode of the diode D6 are connected; the PC2 port of the main control module (1) is grounded through the capacitor C26 and is respectively connected to the second end of the resistor R29 and the collector of the transistor Q10; the anode of the diode D6 is connected to the base of the transistor Q10 through the resistor R39; the base of the transistor Q10 is respectively grounded through the resistor R41 and the capacitor C32; the emitter of the transistor Q10 is grounded; the second end of the resistor R34 is connected to the PC3 port of the main control module (1) and is connected to the base of the transistor Q9 through the resistor R40; the collector of the transistor Q9 is grounded.

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