CN116343438A - A leakage alarm device for environment-friendly gas insulation equipment - Google Patents

Abstract

The invention relates to the technical field of power equipment monitoring equipment, in particular to an environment-friendly gas insulation equipment leakage alarm device, which comprises a device main body, wherein a mobile monitoring part and a host control part are arranged in the device main body, and the mobile monitoring part and the host control part are in data interconnection through a wireless communication module; the movement monitoring section is capable of being manipulated to move, the movement monitoring section including: the system comprises a central control chip, a leakage monitoring module and a power module, wherein the host control part comprises a host and an audible and visual alarm, and the leakage monitoring module is used for detecting the concentration of leakage gas; the power module is used for providing power for the device main body. The invention adopts the movable alarm device to realize the full-scale monitoring in the horizontal and vertical directions, has extremely high flexibility and greatly saves the arrangement cost of the sensor; an automatic cruising mode and a manual mode are provided, and the automatic cruising mode and the manual mode can be set according to working practice.

Description

A leakage alarm device for environment-friendly gas insulation equipment

technical field

The invention relates to the technical field of power equipment monitoring equipment, in particular to an environment-friendly gas insulation equipment leakage alarm device.

Background technique

Sulfur hexafluoride gas is widely used in electrical equipment as a gas insulating medium because of its excellent insulation and arc extinguishing properties. But sulfur hexafluoride is a typical greenhouse gas, and its global warming potential (Global Warming Potential, GWP) is about 23,500 times that of carbon dioxide. The use of new environmentally friendly insulating gases to replace sulfur hexafluoride in gas-insulated equipment has become a hot research topic at present.

At present, environmentally friendly insulating gases mainly include C4F7N, C5F10O, C6F12O, etc., most of which are toxic gases. Environmentally friendly gas-insulated equipment often works in confined spaces such as underground substations and indoor substations. The toxicity of the environmental protection insulating gas itself or its decomposed components will endanger the life safety of the operation and maintenance personnel, and the equipment leakage alarm device must be used for early warning. However, most of the current leak detection and alarm devices are fixed structures, that is, by fixing multiple sensors, the monitoring cost is high and the flexibility is poor, and there will be monitoring dead ends.

For this reason, a leakage alarm device for environment-friendly gas-insulated equipment is proposed.

Contents of the invention

The purpose of the present invention is to provide a leakage alarm device for environment-friendly gas-insulated equipment, by adopting a mobile alarm device to solve the problem of fixed installation of multiple sensors proposed in the above-mentioned background technology, high monitoring cost and poor flexibility, and problems Monitor dead angle problems.

To achieve the above object, the present invention provides the following technical solutions:

An environment-friendly leakage alarm device for gas-insulated equipment, comprising a device main body, characterized in that a mobile monitoring part and a host control part are arranged in the device main body, and the mobile detection part and the host control part realize data interconnection through a wireless communication module ;

The mobile monitoring part can be manipulated to move, the mobile monitoring part includes: a central control chip, a leakage monitoring module and a power module, the host control part includes a host and an audible and visual alarm,

The leakage monitoring module is used for concentration detection of leakage gas;

The power module is used to provide power to the main body of the device;

The central control chip is used to control the mobile monitoring part, and according to the operation instructions of the operation and maintenance personnel and the feedback data of each module, the mobile detection part is controlled to combine with the main body to perform multi-directional monitoring;

The host controls the monitoring of the mobile monitoring part through the wireless communication module, and is also used to receive the concentration detection result of the leaked gas transmitted by the leakage monitoring module, and determine whether to send an alarm signal;

The sound and light alarm is used to remind the gas concentration to exceed the standard according to the alarm signal.

Preferably, the mobile monitoring part can be selected from automatic cruise mode or manual mode, the automatic cruise mode is to use the infrared module to perform automatic monitoring according to the set data, and the manual mode is to perform manual remote control directly by the wireless communication module

Preferably, the mobile monitoring part is a monitoring car.

Preferably, the mobile monitoring part further includes an infrared sensor, the infrared sensor is fixedly installed in the main body of the device, and the outer casing of the main body of the device is provided with a reserved hole for detection by the infrared sensor;

The infrared sensor is connected with the central control chip, and the infrared sensor is used to identify the marks on the ground for automatic cruise.

Preferably, a lifting module is installed inside the main body of the device, the leakage monitoring module is fixedly installed on the top of the lifting module and connected to the central control chip, the lifting module is used to control the vertical movement of the leakage detection module, The lifting module adopts an electric lifter, and the leakage monitoring sensor is fixed on the top of the lifting rod.

Preferably, the leak monitoring module includes a leak monitoring sensor.

Preferably, the leakage monitoring sensor uses a monitoring method to monitor the leaked gas, and the monitoring method includes: obtaining characteristic absorption peak information through ultraviolet spectrum detection, building a concentration fitting model with a high fitting coefficient, and calculating The concentration of the leaked gas, so as to monitor the leaked gas.

Preferably, the power module includes a power motor and a transmission structure, the power motor is installed inside the monitoring trolley, and meshes with the transmission structure through a gear structure to realize power transmission and conversion; the trolley wheels are installed outside the trolley, and the transmission structure The trolley is fixed by bolts to move the trolley; the battery is installed inside the trolley and connected to each module through wires to provide electrical energy, and at the same time supplement electrical energy through the charging interface.

Preferably, the wireless communication module includes a wireless communication port 1 and a wireless communication port 2, the wireless communication module connects the movement detection part and the host control part, and transmits the data of the leakage monitoring sensor to the host computer located in the control room in real time, and simultaneously receives The operation instructions issued from the control room are transmitted to the central control chip for relevant actions.

Preferably, the host control part also includes an exhaust system. When the host receives gas data higher than the warning value, it controls the sound and light alarm and starts the exhaust system. The exhaust system is used to discharge the leaked gas.

Compared with prior art, the beneficial effect of the present invention is:

The invention adopts a mobile alarm device, controls the mobile monitoring part to perform corresponding actions according to the operation instructions of the operation and maintenance personnel and the feedback data of each module, and realizes the purpose of monitoring. Real-time monitoring of leaks; Realize all-round monitoring in horizontal and vertical directions, with high flexibility, which greatly saves the cost of sensor layout; Provides automatic cruise mode and manual mode, which can be set according to the actual work.

Description of drawings

Fig. 1 is the structural representation of mobile monitoring part of the present invention;

Fig. 2 is a structural schematic diagram of the host control part of the present invention;

Fig. 3 is the overall structure flowchart of the present invention;

Figure 4 is a flow chart of the working principle of leakage monitoring.

The labels in the figure are represented as: 1. Monitoring car; 2. Power motor; 3. Transmission structure; 4. Car wheel; 5. Electric lifter; 51. Push-pull motor; 52. Lifter fixed structure; 53. Lifting rod; 6. Battery; 7. Charging interface; 8. Central control chip; 9. Infrared sensor; 10. Leakage monitoring sensor; 11. Wireless communication port 1; 12. Reflective mark; 13. Lighting equipment; 21. Wireless communication port 2; 22. Host; 23. Sound and light alarm; 24. Exhaust system.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Straight", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", etc. or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined. In addition, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be fixed connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be It can be directly connected, or indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Please refer to Fig. 1 to Fig. 3, the present invention provides a leakage alarm device for environment-friendly gas insulation equipment, the technical solution is as follows:

An environment-friendly leakage alarm device for gas-insulated equipment, comprising a main body of the device, characterized in that a mobile monitoring part and a host control part are arranged in the main body of the device, the mobile monitoring part can be manipulated to move, and the mobile monitoring part includes a central control chip 8, a leakage Monitoring module, power module, host control part includes host 22, sound and light alarm 23, mobile detection part and host control part realize data interconnection through wireless communication module, central control chip 8 serves as the control hub of mobile monitoring part, according to operation and maintenance personnel The operating instructions of each module and the feedback data of each module control the car to perform corresponding actions to achieve the purpose of monitoring. The leakage monitoring module is used to detect the concentration of leaked gas, the sound and light alarm 23 is used to remind the gas concentration to exceed the standard, and the power module is used to give the device The main body provides power, and the host 22 issues commands to the mobile monitoring part through the wireless communication module, and selects the automatic cruise mode or the manual mode. remote control.

The mobile monitoring part is used to realize mobile detection. The mobile monitoring part can control the movement and perform corresponding actions to achieve the purpose of monitoring. The mobile detection part and the control part of the host 22 realize data interconnection through the wireless communication module, and the control part of the host 22 uses wireless communication. The module issues commands to the mobile monitoring part to select automatic cruise mode or manual mode.

As an embodiment of the present invention, the central control chip 8 is connected with the infrared module, the leakage monitoring module, the power module, the lifting module, and the wireless communication module. The module feeds back data and controls the mobile monitoring part to perform corresponding actions to achieve the purpose of monitoring.

Operation and maintenance personnel can use an operation platform wirelessly connected to the central control chip 8 for control, including controlling the infrared module for data detection and controlling the power module for equipment movement. The operation platform can also be an automation host 22, and the equipment will give feedback to the operation platform For the data of each module, the automation host 22 performs corresponding operations through preset programs, so as to achieve the purpose of monitoring.

As an embodiment of the present invention, referring to Fig. 1, the mobile monitoring part is a monitoring trolley 1, which is driven by two sets of wheels below, and each module of the mobile monitoring part is installed in the trolley, and the monitoring trolley 1 has low operation difficulty and fast response speed It can quickly execute operation commands, but it is limited in complex ground environments. It can use mechanical arms and other structures for auxiliary movement, and can also be installed on drones for high-altitude monitoring.

As an embodiment of the present invention, the infrared module includes an infrared sensor 9, and the infrared sensor 9 is fixedly installed in the main body of the device. 8 connected.

The infrared module is mainly used in the automatic cruise mode, through the reflective markers 12 arranged by the operation and maintenance personnel on the ground in advance, for automatic tracking, and for fixed-point monitoring in the horizontal direction according to the planned route. There is a lighting device 13 on the main body of the device. Cooperate with the lighting equipment 13 to realize automatic operation under dim light conditions.

As an embodiment of the present invention, the leakage monitoring module includes a leakage monitoring sensor 10 , which is fixedly installed on the top of the lifting module and connected to the central control chip 8 .

The leakage monitoring sensor adjusts the height through the height data preset by the operation and maintenance personnel, so as to perform fixed-point monitoring in the vertical direction.

As an embodiment of the present invention, the leakage monitoring sensor adopts a new monitoring method, obtains characteristic absorption peak information through ultraviolet spectrum detection, builds a concentration fitting model with a high fitting coefficient, and realizes the concentration detection of leaking gas.

The working principle of leakage monitoring is shown in Figure 4. Start the leakage monitoring module and set the gas leakage warning concentration according to the requirements. The leakage monitoring module is realized based on ultraviolet absorption spectroscopy technology, which can effectively monitor the leakage gas with a concentration greater than 200ppm. In the ultraviolet detection link, the equipment collects the original spectrum, calculates the absorption spectrum, extracts the characteristic value, inverts the mixing ratio and other operations, and finally realizes the detection of the concentration of the leaked gas.

As an embodiment of the present invention, the power module includes a power motor 2 and a transmission structure 3. The power motor 2 is installed inside the trolley, and meshes with the transmission structure 3 through a gear structure to realize power transmission and transformation. The trolley wheel 4 is installed on The outside of the trolley is fixed with the transmission structure 3 by bolts to realize the movement of the trolley. The battery 6 is installed inside the trolley and connected to each module through wires to provide electric energy, and at the same time supplement electric energy through the charging interface 7.

As an embodiment of the present invention, the lifting module is the electric lifter 5 , the main body of the electric lifter 5 is composed of a push-pull motor 51 , a lifter fixing structure 52 and a lifting rod 53 , and the leakage monitoring sensor 10 is fixed on the top of the lifting rod 53 .

As an embodiment of the present invention, the wireless communication module is composed of a wireless communication port one 11 and a wireless communication port two 21. The wireless communication module connects the mobile detection part and the host computer 22 control part, and transmits the data of the leakage monitoring sensor 10 to the location in real time. The host computer 22 in the control room simultaneously receives the operation instructions issued from the control room, and transmits them to the central control chip 8 to perform related actions.

As an embodiment of the present invention, the control part of the host 22 includes a host 22, an audible and visual alarm 23, and an exhaust system 24. The host 22 issues commands to the mobile monitoring part through a wireless communication module, selects an automatic cruise mode or a manual mode, and automatically The cruise mode is to use the infrared module to automatically monitor according to the set data, and the manual mode is to directly control the wireless communication module manually. When the host 22 receives gas data higher than the warning value, it controls the sound and light alarm 23 and the exhaust system 24 to start, providing warning information for the operation and maintenance personnel, and timely discharging the leaked gas to facilitate maintenance work.

The specific working steps of the device are described below:

(1) Vehicle condition pre-inspection: check the vehicle condition of the monitoring car 1: including checking whether the power of the battery 6 is sufficient (≥20%); checking whether the infrared module, leakage monitoring module, wireless communication module and other modules can operate normally.

(2) Route setting: on the ground of the indoor aisle where the gas-insulated equipment is located, according to the actual working conditions, paste the reflective mark 12, and the car will realize the automatic cruise route through the infrared sensor 9 and the reflective mark 12.

(3) Mode selection: If the monitoring car 1 chooses the automatic cruise mode, according to the actual situation such as the location of the equipment and the height of the equipment, set the specific parameters such as the collection location and sensor height of the monitoring car 1, and transmit them to the detection car through the wireless transmission module , to realize automatic cruise; if manual mode is selected, manual operation is required, and the wireless remote control car performs leakage monitoring at designated locations.

(4) Leakage monitoring: The working principle of leakage monitoring is shown in Figure 4. Start the leakage monitoring module and set the gas leakage warning concentration according to the requirements. The leakage monitoring module is realized based on ultraviolet absorption spectroscopy technology, which can effectively monitor the leakage gas with a concentration greater than 200ppm. In the ultraviolet detection link, the equipment collects the original spectrum, calculates the absorption spectrum, extracts the characteristic value, inverts the mixing ratio and other operations, and finally realizes the detection of the concentration of the leaked gas.

(5) Alarm system: If the feedback data from the monitoring car 1 is higher than this value, the control room host 22 will automatically open the exhaust system 24 to discharge the leaked gas; at the same time, the sound and light alarm 23 will also be opened to remind the operation and maintenance personnel of this location If there is a leak in the equipment, maintenance work is required.

The electrical components that appear in this article are all connected with the external main controller and 220V mains electricity through the transformer, and the main controller can be a conventional known device that is controlled by a computer, etc. The product model provided by the present invention is only for this technology. The use of the scheme is based on the structural characteristics of the product. The product will be adjusted and transformed after purchase to make it more compatible and in line with the technical scheme of the present invention. It is the best technical solution for this technical scheme. The model of the product It can be replaced and modified according to the required technical parameters, which are well known to those skilled in the art. Therefore, those skilled in the art can clearly obtain the corresponding use effect through the technical solution provided by the present invention.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. An environment-friendly gas-insulated equipment leakage alarm device, comprising a device main body, characterized in that a mobile monitoring part and a host control part are arranged in the device main body, and the mobile detection part and the host control part are realized through a wireless communication module Data interconnection; The mobile monitoring part can be manipulated to move, the mobile monitoring part includes: a central control chip (8), a leakage monitoring module and a power module, the host control part includes a host (22) and an audible and visual alarm (23), The leakage monitoring module is used for concentration detection of leakage gas; The power module is used to provide power to the main body of the device; The central control chip (8) is used to control the mobile monitoring part, and according to the operation instructions of the operation and maintenance personnel and the feedback data of each module, the mobile detection part is controlled to combine with the main body to perform multi-directional monitoring; The host (22) controls the monitoring of the mobile monitoring part through the wireless communication module, and is also used to receive the concentration detection result of the leakage gas transmitted by the leakage monitoring module, and determine whether to send an alarm signal; The sound and light alarm (23) is used to remind the gas concentration exceeding the standard according to the alarm signal. 2. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 1, characterized in that: the mobile monitoring part can be selected from automatic cruise mode or manual mode, and the automatic cruise mode uses an infrared module The automatic monitoring is carried out according to the set data, and the manual mode is the manual remote control of the direct wireless communication module. 3. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 1, characterized in that: the mobile monitoring part is a monitoring trolley (1). 4. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 1, characterized in that: the mobile monitoring part further includes an infrared sensor (9), and the infrared sensor (9) is fixedly installed on the device Inside the main body, and the shell of the main body of the device is provided with a reserved hole for detection by the infrared sensor (9); The infrared sensor (9) is connected with the central control chip (8), and the infrared sensor (9) is used for identifying ground marks for automatic cruise. 5. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 1, characterized in that: a lifting module is installed inside the main body of the device, and the leakage monitoring module is fixedly installed on the top of the lifting module, and Connected with the central control chip (8), the lifting module is used to control the vertical movement of the leakage detection module, the lifting module adopts an electric lifter (5), and the leakage monitoring sensor (10) is fixed on the lifting rod (53 )top. 6. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 1, characterized in that: the leakage monitoring module includes a leakage monitoring sensor (10). 7. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 4, characterized in that: the leakage monitoring sensor adopts a monitoring method to monitor the leakage gas, and the monitoring method includes: detecting by ultraviolet spectrum, Obtain the characteristic absorption peak information, build a concentration fitting model with a high fitting coefficient, and calculate the concentration of the leaked gas through the concentration fitting model, so as to monitor the leaked gas. 8. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 2, characterized in that: the power module includes a power motor (2) and a transmission structure (3), and the power motor (2) It is installed inside the monitoring trolley and meshes with the transmission structure (3) through the gear structure to realize power transmission and transformation; the trolley wheel (4) is installed outside the trolley and fixed with the transmission structure (3) by bolts to realize the movement of the trolley; The storage battery (6) is installed inside the trolley, and is connected to each module through wires to provide electric energy, and at the same time supplement electric energy through the charging interface (7). 9. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 1, characterized in that: the wireless communication module includes a wireless communication port one (11) and a wireless communication port two (21), the The wireless communication module connects the mobile detection part and the control part of the host computer (22), and transmits the data of the leakage monitoring sensor (10) to the host computer (22) located in the control room in real time, and at the same time receives the operation instructions from the control room and transmits them to the central control unit. The chip (8) performs related actions. 10. The leakage alarm device for environment-friendly gas-insulated equipment according to claim 1, characterized in that: the control part of the host (22) also includes an exhaust system (24), and the host (22) receives gas data When it is higher than the warning value, the sound and light alarm (23) and the exhaust system (24) are controlled to start, and the exhaust system (24) is used to discharge the leaked gas.

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