Fuel gas detection system

Abstract

The utility model discloses a fuel gas detection system, which relates to the field of fuel gas safety, and comprises a first detection assembly used for detecting a first air pressure numerical value of a fuel gas hose, controlling the opening and closing state of a valve body in a fuel gas valve according to the first air pressure numerical value, and sending the first air pressure numerical value to a second detection assembly; and the second detection assembly is used for obtaining the first air pressure numerical value sent by the first detection assembly, controlling the opening and closing state of a built-in valve in the gas meter according to the first air pressure numerical value and sending the first air pressure numerical value to background management equipment. According to the technical scheme, opening and closing control of the gas valve is achieved, safety detection of the gas pipeline is achieved, potential safety hazards caused by gas leakage are avoided, timely reporting of gas detection results is achieved through collaborative operation of the gas valve and the gas meter, and it is ensured that operation and maintenance personnel carry out operation and maintenance work in time.

Description

Technical Field

[0001] The utility model relates to the field of gas safety, in particular to a gas detection system. Background Art

[0002] As the penetration rate of gas into households continues to increase, gas has brought great convenience to daily life. At the same time, this has also put forward higher requirements for gas safety testing.

[0003] In existing gas household pipelines, gas meters and gas valves are usually installed. The gas meter is used to measure the user's gas usage, while the gas valve (for example, the gas valve installed before the gas equipment, also known as the gas valve) serves as the gas switch of the gas pipeline, which determines whether the gas flows to the gas equipment. The two have clear division of labor.

[0004] However, existing gas valves can only be manually controlled by external force, and gas meters only have a single flow statistics function. The two are not only independent of each other in function, but also lack gas detection function, and cannot complete the safety performance detection of the gas pipeline through collaborative operation. Utility Model Content

[0005] The utility model provides a gas detection system to solve the problem that gas pipeline leakage cannot be detected in time.

[0006] According to one aspect of the utility model, a gas detection system is provided, comprising: a first detection component configured in a gas valve and a second detection component configured in a gas meter;

[0007] The first detection component is communicatively connected with the second detection component, and is used to detect a first air pressure value of the gas hose through a first air pressure detection module, and control a switch state of a valve body in the gas valve through a first valve control module according to the first air pressure value, and send the first air pressure value to the second detection component through a first short-range communication module;

[0008] The second detection component is used to obtain the first air pressure value emitted by the first detection component through the second short-range communication module, and control the switching state of the built-in valve in the gas meter through the second valve control module according to the first air pressure value, and send the first air pressure value to the background management device through the remote communication module.

[0009] The first detection component is communicatively connected with the second detection component based on the Star Flash communication technology; and / or the remote communication module is communicatively connected with the background electronic device through the narrowband Internet of Things technology or the user equipment performance category technology under the long-term evolution network.

[0010] The first detection component also includes at least one of a first management control module, a first power management module, a first display module, a first clock module and a first storage module; the first management control module is respectively connected to the first power management module, the first display module, the first clock module and the first storage module, and is used for the operation management of the first power management module, the first display module, the first clock module and the first storage module; the first power management module is used for the power management of the power supply battery of the gas valve; the first display module is used to display the first gas pressure value of the gas hose; the first clock module is used to provide a reference clock for the first management control module; the first storage module is used to store the first gas pressure value of the gas hose.

[0011] The second detection component also includes at least one of a second management and control module, a second power management module, a flow statistics module, a second display module, a second clock module and a second storage module; the second management and control module is respectively connected to the second power management module, the flow statistics module, the second display module, the second clock module and the second storage module, and is used for the operation management of the second power management module, the flow statistics module, the second display module, the second clock module and the second storage module; the second power management module is used for the power management of the power supply battery of the gas meter; the flow statistics module is used to obtain gas flow data; the second display module is used to display at least one of the remaining amount, the used amount, the used gas flow and the remaining gas flow; the second clock module is used to provide a reference clock for the second management and control module; the second storage module is used to store at least one of the remaining amount, the used amount, the used gas flow and the remaining gas flow.

[0012] The first detection component also includes a second air pressure detection module; the second air pressure detection module is used to obtain a second air pressure value of the first gas pipeline; wherein the first gas pipeline is the gas pipeline between the gas meter and the gas valve; the first short-range communication module is also used to send the second air pressure value to the second detection component; the second detection component is also used to determine whether there is an air pressure abnormality in the first gas pipeline and the gas hose based on the second air pressure value and the first air pressure value.

[0013] The second detection component also includes a third air pressure detection module; the third air pressure detection module is used to obtain a third air pressure value of the second gas pipeline; wherein the second gas pipeline is a gas pipeline connected to the gas meter and not connected to the gas valve; the second detection component is also used to determine whether there is an air pressure abnormality in the second gas pipeline, the first gas pipeline and the gas hose based on the third air pressure value, the second air pressure value and the first air pressure value.

[0014] The second detection component is also used to send the first gas pressure value and the gas flow data of the gas meter to the background management device after the valve body of the gas valve is closed.

[0015] The first detection component also includes a first alarm module and / or a first button module; the first alarm module is connected to the first management and control module and is used to issue a gas abnormality alarm; the first button module is connected to the first management and control module and is used to obtain an alarm shutdown signal.

[0016] The second detection component also includes a second alarm module and / or a second button module; the second alarm module is connected to the second management and control module and is used to issue an overdue payment alarm prompt; the second button module is connected to the second management and control module and is used to obtain a payment-related signal.

[0017] The second detection component is also used to send feedback information to the first detection component after closing the built-in valve of the gas meter, so that the first detection component can cancel the gas abnormality alarm.

[0018] According to the technical solution of the utility model, the first detection component controls the switching state of the valve body in the gas valve according to the first air pressure value detected in the gas hose, and sends the first air pressure value to the second detection component; the second detection component controls the switching state of the built-in valve in the gas meter according to the first air pressure value, and sends the first air pressure value to the background management device, thereby not only realizing the switching control of the gas valve, but also realizing the safety detection of the gas pipeline, avoiding the safety hazards caused by gas leakage, and realizing the timely reporting of the gas detection results through the coordinated operation of the gas valve and the gas meter, ensuring that the operation and maintenance personnel can carry out the operation and maintenance work in time.

[0019] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present utility model, nor are they intended to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1A This is a schematic diagram of a scenario applicable to a gas detection system provided according to the first utility model;

[0022] Figure 1BIt is a structural schematic diagram of a gas detection system provided by the utility model;

[0023] Figure 1C It is a structural schematic diagram of another gas detection system provided by the utility model;

[0024] Figure 2 It is a structural schematic diagram of a first detection component provided according to the utility model;

[0025] Figure 3 It is a structural schematic diagram of a second detection component provided according to the utility model;

[0026] Figure 4 It is a structural schematic diagram of another gas detection system provided according to the utility model;

[0027] Figure 5 This is a flow chart of a gas detection method provided by the utility model;

[0028] Figure 6 The utility model is a schematic diagram of the structure of a gas detection device. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0031] Figure 1A Schematic diagram of the application scenario of the gas detection system of the utility model, such as Figure 1AAs shown, after the gas pipeline enters the house, it is first connected to one end of the gas meter, and there is a valve before the gas meter. The gas pipeline before the gas meter can be named the second gas pipeline; the other end of the gas meter is also connected to the valve before the equipment through the gas pipeline, and this part of the gas pipeline can be named the first gas pipeline; the other end of the valve before the equipment is connected to the gas equipment through a gas hose; the gas valve in the utility model specifically refers to the valve before the equipment; among them, the valve before the equipment, that is, the gas valve located before the gas equipment, if the current gas equipment is a stove, the valve before the equipment is the valve before the stove; if the current gas equipment is a gas water heater, the gas valve is the valve before the water heater; optionally, in the utility model, the type of gas equipment is not specifically limited.

[0032] Embodiment 1

[0033] Figure 1B A schematic diagram of the structure of a gas detection system provided by the utility model is shown as follows: Figure 1B As shown, the system includes a first detection component 100 configured in the gas valve and a second detection component 200 configured in the gas meter; the first detection component 100 is communicatively connected with the second detection component 200, and is used to detect a first air pressure value of the gas hose through a first air pressure detection module 101, and control the switching state of the valve body in the gas valve through a first valve control module 102 according to the first air pressure value, and send the first air pressure value to the second detection component 200 through a first short-range communication module 103.

[0034] like Figure 1B As shown, the first air pressure detection module 101 is respectively connected to the first valve control module 102 and the first short-range communication module 103; the first air pressure detection module 101 detects the gas pressure in the gas hose through functional elements such as the air pressure sensor to obtain the air pressure value of the gas hose (i.e., the first air pressure value), and transmits the first air pressure value to the first valve control module 102; the first valve control module 102 is connected to the valve body of the gas valve. If the first valve control module 102 determines that the first air pressure value is less than the preset air pressure threshold, it determines that the gas pressure is abnormal, for example, there may be a gas leak in the gas hose or the gas pipeline. At this time, the first valve control module 102 closes the valve body in the gas valve to ensure that the gas no longer enters the gas hose. At the same time, the first short-range communication module 103 sends the first air pressure value to the second detection component 200.

[0035] In particular, the first detection component 100 can be configured in the gas valve in the form of an independent detection device. When the first detection component 100 is connected to the management and control module (i.e., the first management and control module) in the gas valve, the first management and control module only supplies power to the first detection component 100 and does not participate in the data transmission inside the first detection component 100. That is, at this time, as described in the above scheme, the first air pressure detection module 101 is respectively communicated with the first valve control module 102 and the first short-range communication module 103.

[0036] In addition, if Figure 1C As shown, the first detection component 100 can also be connected to the gas valve as a functional component of the gas valve. When the first detection component 100 is connected to the first management and control module 104 of the gas valve, the first management and control module 104 not only supplies power to the first detection component 100, but also participates in the data transmission inside the first detection component 100. That is, at this time, the first air pressure detection module 101, the first valve control module 102 and the first short-range communication module 103 are all connected to the first management and control module 104, and the first air pressure detection module 101 is no longer connected to the first valve control module 102 and the first short-range communication module 103. The first air pressure detection module 101 transmits the first air pressure value to the first valve control module 102 and the first short-range communication module 103 respectively through the first management and control module 104.

[0037] The second detection component 200 is used to obtain the first air pressure value emitted by the first detection component 100 through the second short-range communication module 201, and control the switching state of the built-in valve in the gas meter through the second valve control module 202 according to the first air pressure value, and send the first air pressure value to the background management device through the remote communication module 203.

[0038] like Figure 1B As shown, after obtaining the first air pressure value emitted by the first detection component 100, the second short-range communication module 201 transmits the first air pressure value to the second valve control module 202; the second valve control module 202 is connected to the built-in valve of the gas meter. If the second valve control module 202 determines that the first air pressure value is less than the preset air pressure threshold, it will also determine that there is an abnormality in the gas pressure. At this time, the second valve control module 202 closes the built-in valve of the gas meter to ensure that the gas does not enter the gas pipeline (i.e., the first gas pipeline). At the same time, the remote communication module 203 sends the first air pressure value to the background management device.

[0039] In particular, the second detection component 200 can be configured in the gas meter in the form of an independent detection device. When the second detection component 200 is connected to the management and control module (i.e., the second management and control module) in the gas meter, the second management and control module only supplies power to the second detection component 200 and does not participate in the data transmission within the second detection component 200. That is, at this time, as described in the above scheme, the second short-range communication module 201 is respectively communicated with the second valve control module 202 and the long-range communication module 203.

[0040] In addition, if Figure 1C As shown, the second detection component 200 can also be connected to the gas meter as a functional component of the gas meter. When the second detection component 200 is connected to the second management and control module 204, the second management and control module 204 not only supplies power to the second detection component 200, but also participates in the data transmission inside the second detection component 200. At this time, the second short-range communication module 201, the second valve control module 202 and the long-range communication module 203 are all connected to the second management and control module 204, and the second short-range communication module 201 is no longer connected to the second valve control module 202 and the long-range communication module 203. The second short-range communication module 201 transmits the first air pressure value to the second valve control module 202 and the long-range communication module 203 respectively through the second management and control module 204.

[0041] Optionally, in the present invention, the first detection component 100 and the second detection component 200 are communicatively connected based on Star Flash communication technology; and / or the remote communication module 203 is communicatively connected with the background electronic device through narrowband Internet of Things technology or user equipment classification technology under the long-term evolution network.

[0042] Specifically, Star Flash communication technology is a short-range wireless connection technology. It establishes a universal radio air interface (Radio Air Interface) and uses low-power radio to enable various 3C devices to communicate with each other within a short range without being connected by wires or cables. Compared with traditional short-range communication technologies (for example, Bluetooth technology and infrared technology), it has the characteristics of high reliability, high transmission speed and low latency. Therefore, it greatly improves the data transmission efficiency between the first detection component 100 and the second detection component 200, realizes the real-time transmission of abnormal gas data, and ensures the safety of gas use.

[0043] Narrow Band Internet of Things (NB-IOT) is built on a cellular network and supports cellular data connections of low-power devices in a wide area network. It has the characteristics of low power consumption, low cost and wide coverage. The classification (Category) of user terminals (User Equipment, UE) under the Long Term Evolution (LTE) network can be divided into multiple performance levels, for example, level 1 (i.e. Cat. 1) and level 4 (Category 4), which also have the characteristics of low power consumption, low cost and wide coverage. In this way, the remote communication module 203 reduces the power consumption of data transmission while ensuring long-distance communication with the background management device.

[0044] Optionally, in the present invention, the second detection component 200 is also used to send the first air pressure value and the gas flow data of the gas meter to the background management device after closing the built-in valve of the gas meter. Specifically, the second detection component 200 is also used to obtain the gas flow data in the gas meter, and when it is determined that there is an abnormality in the first air pressure value, close the built-in valve in the gas meter, and then send the gas flow data and the first air pressure value to the background management device together, so that the background management device can record the current gas flow data of the gas meter in time, so as to avoid the increase of the gas flow value caused by gas pipeline leakage and ensure the accuracy of the gas flow value actually used by the user.

[0045] According to the technical solution of the utility model, the first detection component controls the switching state of the valve body in the gas valve according to the first air pressure value detected in the gas hose, and sends the first air pressure value to the second detection component; the second detection component controls the switching state of the built-in valve in the gas meter according to the first air pressure value, and sends the first air pressure value to the background management device, thereby not only realizing the switching control of the gas valve, but also realizing the safety detection of the gas pipeline, avoiding the safety hazards caused by gas leakage, and realizing the timely reporting of the gas detection results through the coordinated operation of the gas valve and the gas meter, ensuring that the operation and maintenance personnel can carry out the operation and maintenance work in time.

[0046] Embodiment 2

[0047] Figure 2 A schematic diagram of the structure of a first detection component provided by the utility model, such as Figure 2As shown, the first detection component 100 also includes at least one of a first management control module 104, a first power management module 105, a first display module 106, a first clock module 107 and a first storage module 108; wherein the first management control module 104 is respectively connected to the first power management module 105, the first display module 106, the first clock module 107 and the first storage module 108, and is used for the operation management of the first power management module 105, the first display module 106, the first clock module 107 and the first storage module 108; at the same time, the first management control module 104 transmits the power of the power supply battery of the gas valve to the above-mentioned functional modules.

[0048] The first clock module 107 is used to provide a reference clock for the first management control module 104; the first storage module 108 is used to store the first air pressure value of the gas hose; the first display module 106 is used to display the first air pressure value of the gas hose, which can be specifically displayed through an LED (light-emitting diode) display screen; the first power management module 105 is used for power management of the power supply battery of the gas valve; when the first power management module 105 detects that the power supply battery of the gas valve is low on power, power alarm information can be displayed through the first display module 106.

[0049] Optionally, in the present utility model, the first detection component 100 also includes a first alarm module 109 and / or a first button module 110; the first alarm module 109 is connected to the first management control module 104 and is used to issue a gas abnormality alarm; the first button module 110 is connected to the first management control module 104 and is used to obtain an alarm shutdown signal.

[0050] Specifically, if the first detection component 100 detects that the first gas pressure value is less than the preset gas pressure threshold, the first management and control module 104 sends a voice broadcast information through the first alarm module 109, thereby issuing a gas pressure abnormality alarm. At the same time, when the first power management module 105 detects that the power supply battery of the gas valve is insufficient, the first management and control module 104 can also send a corresponding prompt sound through the first alarm module 109; at the same time, when the first alarm module 109 sends a gas abnormality alarm, the first button module 110 obtains the alarm closing instruction issued by the user (for example, triggered by a short-term press by the user), and sends the above-mentioned button information to the first alarm module 109 through the first management and control module 104, so that the first alarm module 109 ends the current voice broadcast according to the alarm closing instruction. In addition, the first button module 110 can also be used to obtain the reset instruction issued by the user (for example, triggered by a long-term press by the user), and send the reset instruction to the first management and control module 104, and the first management and control module 104 sends a reset signal to each connected functional module to reset and restart each functional module.

[0051] Optionally, in the present invention, the second detection component 200 is also used to send feedback information to the first detection component 100 after closing the built-in valve of the gas meter, so that the first detection component 100 cancels the gas abnormality alarm. Since the actual installation position of the gas valve is often blocked by the gas equipment or the cabinet that carries the gas equipment, the gas abnormality alarm issued by the first detection component 100 configured in the gas valve is often not easy to be noticed by the user. At this time, after the second detection component 200 has obtained the first gas pressure value of the gas hose and has closed the built-in valve of the gas meter, feedback information is sent to the first detection component 100 to cancel the gas abnormality alarm; at the same time, since the gas meter is usually configured at a high position that is easy to view, after the first detection component 100 cancels the gas abnormality alarm, the second detection component 200 can issue the above-mentioned gas abnormality alarm on its behalf, thereby improving the alarm effect of abnormal gas data.

[0052] The technical solution of the utility model configures multiple functional modules such as a first power management module, a first display module, a first storage module and a first alarm module in the first detection component, so that the gas valve has multiple functions such as power monitoring, alarm prompts, gas pressure numerical display and storage, further enriches the functionality of the gas valve, and realizes automatic control of the gas valve.

[0053] Embodiment 3

[0054] Figure 3 A schematic diagram of the structure of a gas detection system provided by the utility model is shown as follows: Figure 3As shown, the second detection component 200 also includes at least one of a second management control module 204, a second power management module 205, a flow statistics module 206, a second display module 207, a second clock module 208 and a second storage module 209; wherein the second management control module 204 is respectively connected to the second power management module 205, the flow statistics module 206, the second display module 207, the second clock module 208 and the second storage module 209, and is used for the operation management of the second power management module 205, the flow statistics module 206, the second display module 207, the second clock module 208 and the second storage module 209; at the same time, the second management control module 204 transmits the power of the power supply battery of the gas meter to the above-mentioned functional modules.

[0055] The flow statistics module 206 is used to obtain gas flow data, that is, to obtain the gas flow through the gas meter; the second clock module 208 is used to provide a reference clock for the second management control module 204; the second storage module 209 is used to store at least one of the remaining amount, the used amount, the used gas flow and the remaining gas flow; the second display module 207 is used to display at least one of the remaining amount, the used amount, the used gas flow and the remaining gas flow, which can also be displayed through an LED (light-emitting diode) display screen; when the second power management module 205 detects that the power supply battery of the gas valve is insufficient, the power alarm information can be displayed through the second display module 207.

[0056] Optionally, in the present utility model, the second detection component 200 also includes a second alarm module 210 and / or a second button module 211; the second alarm module 210 is connected to the second management control module 204 and is used to issue an overdue payment alarm; the second button module 211 is connected to the second management control module 204 and is used to obtain a payment-related signal.

[0057] Specifically, if the second detection component 200 determines through the flow statistics module 206 that the gas flow has exceeded the current payment amount of the gas meter, the built-in valve of the gas meter is closed, and the second alarm module 210 sends an overdue payment alarm prompt; when the second button module 211 obtains the payment-related instruction triggered by the user (for example, triggered by a short-term press by the user), the above-mentioned button information is sent to the second management and control module 204, so that the second management and control module 204 establishes a communication connection with the background management device through the remote communication module 203. After the user completes the gas payment, the background management device will send the payment information such as the payment amount and payment time to the current gas meter through the above-mentioned remote communication module 203, so as to complete the remote billing management of the gas meter. In addition, the second button module 211 can also be used to obtain the reset instruction issued by the user (for example, triggered by a long-term press by the user), and send the reset instruction to the second management and control module 204, and the second management and control module 204 will send a reset signal to each connected functional module to reset and restart each functional module.

[0058] The technical solution of the utility model configures multiple functional modules such as a second power management module, a second display module, a flow statistics module and a second alarm module in the second detection component, so that the gas meter has multiple functions such as power monitoring, alarm prompts, gas pressure numerical display and gas flow statistics, further enriches the functionality of the gas meter and realizes remote control of the gas meter.

[0059] Embodiment 4

[0060] Figure 4 A schematic diagram of the structure of a gas detection system provided by the utility model is shown as follows: Figure 4 As shown, the first detection component 100 also includes a second air pressure detection module 111; the second air pressure detection module 111 is used to obtain a second air pressure value of the first gas pipeline; wherein the first gas pipeline is the gas pipeline between the gas meter and the gas valve; the first short-range communication module is also used to send the second air pressure value to the second detection component 200; the second detection component 200 is also used to determine whether there is a gas pressure anomaly in the first gas pipeline and the gas hose based on the second air pressure value and the first air pressure value.

[0061] Specifically, the first gas pipeline is a gas pipeline connecting the gas meter and the gas valve. The second air pressure detection module 111 configured in the first detection component 100 is used to detect the air pressure value of the first gas pipeline (i.e., the second air pressure value). The first short-range communication module 103 sends the second air pressure value to the second detection component 200; after the second detection component 200 obtains the second air pressure value and the first air pressure value through the second short-range communication module 201, the second air pressure value is compared with the first air pressure value.

[0062] If the second air pressure value is equal to the first air pressure value and is greater than or equal to the preset air pressure threshold, it indicates that the gas pressure is normal. At this time, there is no abnormal gas pressure problem in the gas hose and the first gas pipeline; if the second air pressure value is greater than or equal to the preset air pressure threshold, and the first air pressure value is less than the preset air pressure threshold, it indicates that the air pressure of the first gas pipeline is normal, but the air pressure of the gas hose is abnormal, that is, there may be a risk of gas leakage in the first gas pipeline at this time; if the second air pressure value is equal to the first air pressure value and is less than the preset air pressure threshold, it indicates that there is an abnormal gas pressure problem in the first gas pipeline, and the abnormal gas pressure in the gas hose is caused by insufficient gas in the first gas pipeline, that is, there may be a risk of gas leakage in the first gas pipeline at this time, while the gas hose itself does not have a gas leakage risk.

[0063] In addition, if Figure 4 As shown, the second detection component 200 also includes a third air pressure detection module 212; the third air pressure detection module 212 is used to obtain a third air pressure value of the second gas pipeline; wherein the second gas pipeline is a gas pipeline connected to the gas meter and not connected to the gas valve; the second detection component 200 is also used to determine whether there is gas pressure anomaly in the second gas pipeline, the first gas pipeline and the gas hose according to the third air pressure value, the second air pressure value and the first air pressure value.

[0064] Specifically, the second gas pipeline is the gas pipeline before the gas meter, and the third air pressure detection module 212 configured in the second detection component 200 is used to detect the air pressure value of the second gas pipeline (i.e., the third air pressure value); after the second detection component 200 obtains the first air pressure value and the second air pressure value through the second short-range communication module 201, the third air pressure value is compared with the second air pressure value and the first air pressure value.

[0065] If the third air pressure value is greater than or equal to the preset air pressure threshold, and is equal to the second air pressure value and the first air pressure value, it indicates that the gas pressure is normal. At this time, there is no abnormal gas pressure problem in the gas hose, the first gas pipeline and the second gas pipeline; if the third air pressure value is greater than or equal to the preset air pressure threshold, and the second air pressure value is less than the preset air pressure threshold, and the second air pressure value is equal to the first air pressure value, it indicates that the air pressure of the second gas pipeline is normal, but the air pressure of the first gas pipeline is abnormal, that is, there may be a risk of gas leakage in the first gas pipeline at this time, and the abnormal air pressure in the gas hose is caused by the abnormal air pressure in the first gas pipeline, and the gas hose itself does not have a gas leakage risk.

[0066] If the third air pressure value is greater than or equal to the preset air pressure threshold, and the third air pressure value is equal to the second air pressure value, and the first air pressure value is less than or equal to the preset air pressure threshold, it indicates that the air pressure of the second gas pipeline and the first gas pipeline is normal, but the air pressure of the gas hose is abnormal, that is, the gas hose may have a risk of gas leakage at this time; if the third air pressure value is greater than the second air pressure value, and the second air pressure value is greater than the first air pressure value, it indicates that there are different degrees of gas leakage in the first gas pipeline and the gas hose. If the third air pressure value is greater than or equal to the preset air pressure threshold at this time, it indicates that the air pressure of the second gas pipeline is normal. If the third air pressure value is less than the preset air pressure threshold at this time, it indicates that the air pressure of the second gas pipeline is also abnormal, and there is a certain degree of gas leakage in the second gas pipeline; the second detection component 200 can send the above-mentioned gas pressure detection result to the background management device to achieve accurate positioning of the gas pressure abnormality.

[0067] The technical solution of the utility model obtains the air pressure values ​​of the gas hose and the first gas pipeline by respectively configuring the first air pressure detection module and the second air pressure detection module in the first detection component, and obtains the air pressure value of the second gas pipeline by configuring the third air pressure detection module in the second detection component. Therefore, the second detection component accurately obtains the location of abnormal gas based on the gas pressure values ​​at different positions, thereby realizing precise positioning of the gas leakage position, improving the detection accuracy of the gas detection results, and improving the operation efficiency of operation and maintenance operations.

[0068] Embodiment 5

[0069] Figure 5 This is a flow chart of a gas detection method provided by the utility model. The method can be executed by a gas detection device. The gas detection device can be implemented in the form of hardware and / or software. The gas detection device can be configured in the gas detection system in any embodiment of the utility model. Figure 5 As shown, the method includes:

[0070] S501. A first air pressure detection module detects a first air pressure value of a gas hose.

[0071] S502: The first valve control module controls the switch state of the valve body in the gas valve according to the first gas pressure value.

[0072] S503: The first short-range communication module sends the first air pressure value to the second short-range communication module.

[0073] S504: The second short-range communication module obtains the first air pressure value sent by the first short-range communication module.

[0074] S505. The second valve control module controls the switch state of the built-in valve in the gas meter according to the first gas pressure value.

[0075] S506: The remote communication module sends the first air pressure value to a background management device.

[0076] According to the technical solution of the utility model, the first detection component controls the switching state of the valve body in the gas valve according to the first air pressure value detected in the gas hose, and sends the first air pressure value to the second detection component; the second detection component controls the switching state of the built-in valve in the gas meter according to the first air pressure value, and sends the first air pressure value to the background management device, thereby not only realizing the switching control of the gas valve, but also realizing the safety detection of the gas pipeline, avoiding the safety hazards caused by gas leakage, and realizing the timely reporting of the gas detection results through the coordinated operation of the gas valve and the gas meter, ensuring that the operation and maintenance personnel can carry out the operation and maintenance work in time.

[0077] Embodiment 6

[0078] Figure 6 This is a structural block diagram of a gas detection device provided by the utility model, which specifically includes:

[0079] The air pressure detection execution module 601 is configured in the first air pressure detection module and is used to detect the first air pressure value of the gas hose;

[0080] The switch state execution module 602 is configured in the first valve control module and is used to control the switch state of the valve body in the gas valve according to the first gas pressure value;

[0081] An air pressure sending execution module 603, configured in the first short-range communication module, is used to send the first air pressure value to the second short-range communication module;

[0082] An air pressure receiving execution module 604, configured in the second short-range communication module, is used to obtain the first air pressure value sent by the first short-range communication module;

[0083] A switch state control module 605, configured in the second valve control module, is used to control the switch state of the built-in valve in the gas meter according to the first gas pressure value;

[0084] The background communication execution module 606 is configured in the remote communication module and is used to send the first air pressure value to the background management device.

[0085] According to the technical solution of the utility model, the first detection component controls the switching state of the valve body in the gas valve according to the first air pressure value detected in the gas hose, and sends the first air pressure value to the second detection component; the second detection component controls the switching state of the built-in valve in the gas meter according to the first air pressure value, and sends the first air pressure value to the background management device, thereby not only realizing the switching control of the gas valve, but also realizing the safety detection of the gas pipeline, avoiding the safety hazards caused by gas leakage, and realizing the timely reporting of the gas detection results through the coordinated operation of the gas valve and the gas meter, ensuring that the operation and maintenance personnel can carry out the operation and maintenance work in time.

[0086] The above device can execute the gas detection method provided by any embodiment of the utility model, and has the corresponding functional modules and beneficial effects of the execution method. For technical details not described in detail in this embodiment, please refer to the gas detection method provided by any embodiment of the utility model.

[0087] Embodiment 7

[0088] In some embodiments, the gas detection method may be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit. In some embodiments, part or all of the computer program may be loaded and / or installed on a heterogeneous hardware accelerator via a ROM and / or a communication unit. When the computer program is loaded into RAM and executed by a processor, one or more steps of the gas detection method described above may be performed. Alternatively, in other embodiments, the processor may be configured to perform the gas detection method in any other appropriate manner (e.g., by means of firmware).

[0089] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0090] The computer program for implementing the method of the utility model can be written in any combination of one or more programming languages. These computer programs can be provided to a processor of a general-purpose computer, a special-purpose computer or other programmable data processing device, so that when the computer program is executed by the processor, the functions / operations specified in the flow chart and / or the block diagram are implemented. The computer program can be executed completely on the machine, partially on the machine, partially on the machine as an independent software package and partially on a remote machine, or completely on a remote machine or server.

[0091] In the context of the present utility model, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by an instruction execution system, device or equipment or used in combination with an instruction execution system, device or equipment. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. A more specific example of a machine-readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0092] To provide interaction with a user, the systems and techniques described herein may be implemented on a heterogeneous hardware accelerator having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) through which a user can provide input to the heterogeneous hardware accelerator. Other types of devices may also be used to provide interaction with a user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form (including acoustic input, voice input, or tactile input).

[0093] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0094] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0095] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be performed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0096] The above specific implementations do not constitute a limitation on the protection scope of the present utility model. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A gas detection system, characterized in that: include: A first detection component configured in the gas valve and a second detection component configured in the gas meter; The first detection component is communicatively connected with the second detection component, and is used to detect a first air pressure value of the gas hose through a first air pressure detection module, and control a switch state of a valve body in the gas valve through a first valve control module according to the first air pressure value, and send the first air pressure value to the second detection component through a first short-range communication module; The second detection component is used to obtain the first air pressure value emitted by the first detection component through the second short-range communication module, and control the switching state of the built-in valve in the gas meter through the second valve control module according to the first air pressure value, and send the first air pressure value to the background management device through the remote communication module.

2. The gas detection system according to claim 1, characterized in that: The first detection component is communicatively connected with the second detection component based on the star flash communication technology; And / or the remote communication module is connected to the background electronic device through narrowband Internet of Things technology or user equipment classification technology under the long-term evolution network.

3. The gas detection system according to claim 1, characterized in that: The first detection component further includes at least one of a first management control module, a first power management module, a first display module, a first clock module, and a first storage module; A first management control module, connected to the first power management module, the first display module, the first clock module and the first storage module, respectively, for operation management of the first power management module, the first display module, the first clock module and the first storage module; A first power management module, used for power management of the power supply battery of the gas valve; A first display module, used to display the first gas pressure value of the gas hose; A first clock module, used to provide a reference clock for the first management control module; The first storage module is used to store the first gas pressure value of the gas hose.

4. The gas detection system according to claim 1, characterized in that: The second detection component further includes at least one of a second management control module, a second power management module, a traffic statistics module, a second display module, a second clock module, and a second storage module; A second management control module, connected to the second power management module, the traffic statistics module, the second display module, the second clock module and the second storage module, respectively, for operation management of the second power management module, the traffic statistics module, the second display module, the second clock module and the second storage module; A second power management module, used for power management of the power supply battery of the gas meter; Flow statistics module, used to obtain gas flow data; A second display module is used to display at least one of the remaining amount, the used amount, the used gas flow and the remaining gas flow; A second clock module, used to provide a reference clock for the second management control module; The second storage module is used to store at least one of the remaining amount, the used amount, the used gas flow and the remaining gas flow.

5. The gas detection system according to claim 1, characterized in that: The first detection component also includes a second air pressure detection module; The second air pressure detection module is used to obtain a second air pressure value of a first gas pipeline; wherein the first gas pipeline is a gas pipeline between the gas meter and the gas valve; The first short-range communication module is further used to send the second air pressure value to the second detection component; The second detection component is further used to determine whether there is abnormal gas pressure in the first gas pipeline and the gas hose based on the second gas pressure value and the first gas pressure value.

6. The gas detection system according to claim 5, characterized in that: The second detection component also includes a third air pressure detection module; The third gas pressure detection module is used to obtain a third gas pressure value of the second gas pipeline; wherein the second gas pipeline is a gas pipeline connected to the gas meter and not connected to the gas valve; The second detection component is also used to determine whether there is gas pressure anomaly in the second gas pipeline, the first gas pipeline and the gas hose based on the third gas pressure value, the second gas pressure value and the first gas pressure value.

7. The gas detection system according to claim 1, characterized in that: The second detection component is further used to send the first air pressure value and the gas flow data of the gas meter to the background management device after the built-in valve of the gas meter is closed.

8. The gas detection system according to claim 3, characterized in that: The first detection component also includes a first alarm module and / or a first button module; The first alarm module is connected to the first management control module and is used to issue a gas abnormality alarm; The first button module is connected to the first management control module and is used to obtain an alarm closing signal.

9. The gas detection system according to claim 4, characterized in that: The second detection component also includes a second alarm module and / or a second button module; The second alarm module is connected to the second management control module and is used to issue an overdue payment alarm prompt; The second button module is connected to the second management control module and is used to obtain the payment related signal.

10. The gas detection system according to claim 8, characterized in that: The second detection component is also used to send feedback information to the first detection component after closing the built-in valve of the gas meter, so that the first detection component can cancel the gas abnormality alarm.

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