CN211347920U - Gas monitoring device - Google Patents
Gas monitoring device Download PDFInfo
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- CN211347920U CN211347920U CN201921693360.9U CN201921693360U CN211347920U CN 211347920 U CN211347920 U CN 211347920U CN 201921693360 U CN201921693360 U CN 201921693360U CN 211347920 U CN211347920 U CN 211347920U
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Abstract
The utility model relates to a gaseous monitoring technology field discloses a gaseous monitoring devices, gaseous monitoring devices is including detecting module, control module group, transmission module and monitoring module. The detection module is used for detecting gas concentration data in the environment; the control module is connected with the detection module and used for receiving and processing the gas concentration data to obtain gas concentration information; the transmission module is connected with the control module and used for receiving and transmitting the gas concentration information; and the monitoring system is connected with the transmission module and used for receiving the gas concentration information and making safety judgment according to the gas concentration information. Acquiring gas concentration data in the environment where the gas monitoring device is located, processing to obtain gas concentration information, and wirelessly transmitting the gas concentration information to a monitoring system through the transmission module; the monitoring system carries out safety judgment through the gas concentration information, and realizes remote safety condition monitoring of the power distribution room.
Description
Technical Field
The utility model relates to a gas monitoring technology field especially relates to a gas monitoring device.
Background
At present, the number of power distribution rooms in a transformer substation is large, the power distribution rooms are very widely distributed geographically, the power distribution room environment monitoring technology falls behind, the monitoring range is small, and the transformer substation is large in inspection workload of the power distribution rooms and needs to consume a large amount of manpower and material resources. And the patrol personnel have electric shock and SF in the patrol process6Gas poisoning and the like. To the environmental facility condition of present distribution room, can't realize carrying out intelligent monitoring and management to the safety condition of all distribution rooms.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a gas monitoring device for solving the problem that intelligent monitoring and management cannot be performed on the safety conditions of all power distribution rooms.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
a gas monitoring device comprises a detection module, a data acquisition module and a data processing module, wherein the detection module is used for detecting gas concentration data in an environment; the control module is connected with the detection module and used for receiving and processing the gas concentration data to obtain gas concentration information; the transmission module is connected with the control module and used for receiving and transmitting the gas concentration information; and the monitoring module is connected with the transmission module and used for receiving the gas concentration information and making safety judgment according to the gas concentration information.
In one embodiment, the detection module comprises a sulfur hexafluoride sensor, is connected with the control module, and is used for detecting sulfur hexafluoride concentration data in an environment and transmitting the sulfur hexafluoride concentration data to the control module; the ozone sensor is connected with the control module and used for detecting ozone concentration data in the environment and transmitting the ozone concentration data to the control module; and the oxygen sensor is connected with the control module and used for detecting oxygen concentration data in the environment and transmitting the oxygen concentration data to the control module.
In one embodiment, the control module includes a core control module, which is respectively connected to the detection module and the transmission module, and is configured to receive and process the gas concentration data to obtain gas concentration information; and the key debugging module is connected with the core control module and used for realizing ID setting and resetting of the gas monitoring device.
In one embodiment, the core control module comprises a protocol converter, connected to the detection module, for converting the data collected by the detection module into data of the same protocol standard; the data statistics device is connected with the protocol converter and used for receiving the data of the same protocol standard and carrying out statistics; and the analysis unit is connected with the protocol converter and used for analyzing and obtaining gas concentration information according to the data obtained by statistics.
In one embodiment, the key debugging module comprises a key unit connected with the core control module and used for performing ID setting on the gas monitoring device; and the resetting unit is connected with the core control module and is used for resetting the gas monitoring device.
In one embodiment, the transmission module comprises a wireless transmission module, connected with the control module, for realizing wireless communication with the monitoring module, and transmitting the gas concentration information; and the communication interface circuit is connected with the control module and used for realizing the connection between the detection module and the control module.
In one embodiment, the communication interface circuit comprises an RS485 interface and an optical coupler, wherein the optical coupler is connected with the RS485 interface and used for isolating an interference signal.
In one embodiment, the gas monitoring device further comprises a first power module for supplying power to the control module, wherein the first power module comprises an overvoltage protection circuit for controlling the voltage of the input direct current signal to be within a preset range; and the DC/DC converter is connected with the overvoltage protection circuit and is used for converting the direct current signal into a direct current signal with fixed voltage.
In one embodiment, the gas monitoring device further includes a second power module, which is respectively connected to the first power module and the transmission module and is configured to supply power to the transmission module, wherein the second power module further includes an isolation conversion circuit, which is respectively connected to the DC/DC converter and the transmission module and is configured to isolate an interference signal and convert the DC signal into a DC signal suitable for power supply.
The utility model provides a gas monitoring device, including detecting module, control module group, transmission module and monitoring module. The detection module is used for detecting gas concentration data in the environment; the control module is connected with the detection module and used for receiving and processing the gas concentration data to obtain gas concentration information; the transmission module is connected with the control module and used for receiving and transmitting the gas concentration information; and the monitoring system is connected with the transmission module and used for receiving the gas concentration information and making safety judgment according to the gas concentration information. Acquiring gas concentration data in the environment where the gas monitoring device is located, processing to obtain gas concentration information, and wirelessly transmitting the gas concentration information to a monitoring system through the transmission module; the monitoring system carries out safety judgment through the gas concentration information, and realizes remote safety condition monitoring of the power distribution room.
Drawings
Fig. 1 is a block diagram illustrating a gas monitoring device according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating the connection of components of a gas monitoring device according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating component connections of a core control module and a key debugging module according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a connection between components of the first power module and the second power module according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "upper," "lower," "front," "rear," "circumferential," and the like are based on the orientation or positional relationship shown in the drawings and are intended to facilitate the description of the invention and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment of the utility model provides an in gaseous monitoring devices adopt MEMS (micro-electro-mechanical systems) technology integration. MEMS is a technology that utilizes a micro/nano technology base to design, process, manufacture, measure and control micro/nano materials. The integrated machine integrates a mechanical component, a driving part and an electric control system into an integral unit, and not only can collect, process and send information and instructions, but also can take action according to the acquired information. The gas monitoring device integrated by adopting the MEMS technology has the advantages of small geometric dimension, low cost, low energy consumption, high precision, long service life, good dynamic property and the like.
Fig. 1 is a block diagram of a gas monitoring device according to an embodiment of the present invention. The embodiment of the utility model provides a gas monitoring device is including detecting module 100, control module 200, transmission module 300 and monitor module 400. The detection module 100 is configured to detect gas concentration data in an environment; the control module 200 is connected to the detection module 100, and configured to receive and process the gas concentration data to obtain gas concentration information; the transmission module 300 is connected to the control module 200, and configured to receive and send the gas concentration information to a monitoring module; and a monitoring module 400 connected to the transmission module 300, configured to receive the gas concentration information and perform safety judgment according to the gas concentration information.
Fig. 2 is a schematic diagram illustrating the connection of components of a gas monitoring device according to an embodiment of the present invention. The detection module 100 comprises a sulfur hexafluoride sensor 110, which is connected with the control module 200, and is used for detecting sulfur hexafluoride concentration data in an environment and transmitting the sulfur hexafluoride concentration data to the control module 200. And the ozone sensor 120 is connected with the control module 200 and used for detecting ozone concentration data in the environment and transmitting the ozone concentration data to the control module 200. And the oxygen sensor 130 is connected with the control module 200 and used for detecting oxygen concentration data in the environment and transmitting the oxygen concentration data to the control module 200.
Specifically, the sulfur hexafluoride sensor 110, the ozone sensor 120, and the oxygen sensor 130 in the detection module 100 respectively detect gas concentration data of sulfur hexafluoride, ozone, and oxygen in an environment where the gas monitoring device is located, and transmit the gas concentration data of sulfur hexafluoride, ozone, and oxygen to the control module 200 for processing.
The embodiment of the utility model provides an SF that gas monitoring device adopted6The sensor (sulfur hexafluoride sensor) is based on a double-beam non-spectroscopic infrared detection technology and is used for monitoring the concentration of sulfur hexafluoride gas in the environment to judge whether the sulfur hexafluoride leaks. SF6The (sulfur hexafluoride) gas has stable chemical properties and good insulating property, and is commonly used as an insulating medium of electronic equipment. But at the same time, it is also an asphyxiant, which causes the symptoms of dyspnea, wheezing, bluing skin and mucous membrane, general spasm and the like of human body under high concentration, so the SF in the environment must be treated6The gas concentration is monitored.
The embodiment of the utility model provides an ozone sensor that gas monitoring device adopted is based on the silk screen technology for to ozone gas concentration's in the environment monitoring in order to judge whether ozone leaks. O is3(ozone) gas is unstable, slowly decomposes at room temperature, rapidly decomposes at 200 ℃, and has strong oxidizing property. Ozone can react with various inorganic matters and organic matters. Ozonized air has a corrosive effect on most metallic materials and some non-metallic materials, and is harmful to human health even if exposed to a high-concentration ozone gas environment for a long time, so that the ozone concentration in the environment needs to be monitored.
The embodiment of the utility model provides an oxygen sensor that gas monitoring device adopted is based on fluorescence technique for to the monitoring of oxygen gas concentration in the environment.
In one embodiment, the control module 200 includes a core control module 210 and a key debug module 220. The core control module 210 is connected to the detection module 100 and the transmission module 300, and configured to receive and process the gas concentration data to obtain gas concentration information. And the key debugging module 220 is used for realizing ID setting and resetting of the gas monitoring device.
Fig. 3 is a schematic diagram illustrating component connections of a core control module and a key debugging module according to an embodiment of the present invention, in which in one embodiment, the core control module 210 includes a protocol converter 211, connected to the detection module, for converting data collected by the detection module into data of the same protocol standard; the data statistics device 212 is connected with the protocol converter 211 and is used for receiving the data of the same protocol standard and performing statistics; and the analysis unit 213 is connected with the data statistics device 212 and is used for analyzing and obtaining the gas concentration information according to the data obtained by statistics.
The core control module 210 completes data processing and storage of the gas monitoring device and coordinates work of each module by adopting an STM32L151RDT6 chip. Specifically, when the detection module 100 transmits the detected gas concentration data of sulfur hexafluoride, ozone and oxygen to the core control module 210, the gas concentration data of different protocols acquired by different sensors are converted into the same protocol standard by the protocol converter 211. The gas concentration data of the same specification standard is counted by the data statistics machine 212. The counted data is analyzed by the analyzing unit 213 to obtain gas concentration information, and is converted into information suitable for transmission through the protocol converter 211.
In one embodiment, the key debugging module 220 includes a key unit 221, connected to the core control module 210, for performing ID setting on the gas monitoring apparatus; a reset unit 222, connected to the core control module 210, for resetting the gas monitoring apparatus.
Specifically, the ID of 0 to 15 is set for each gas monitoring device installed in different power distribution rooms through the key unit 221, so that each gas monitoring device is conveniently managed in a differentiated manner. In case of an emergency such as an abnormal operation, the gas monitoring apparatus may be reset by the reset unit 222.
In one embodiment, the transmission module 300 includes a wireless transmission module 310 connected to the control module 200 for wirelessly communicating with the monitoring module 400 for transmitting the gas concentration information; and a communication interface circuit 320 connected to the control module 200 for implementing connection between the detection module 100 and the control module 200.
The wireless transmission module 310 is a ZigBee small wireless communication module, a WiFi communication module, a bluetooth communication module, or a 4G wireless communication module.
Specifically, the control module 200 receives gas concentration data of sulfur hexafluoride, ozone and oxygen detected by the detection module 100 through the communication interface circuit 320, and processes and analyzes the gas concentration data through the core control module 210 to obtain gas concentration information. The wireless transmission module 310 in the transmission module 300 wirelessly transmits the gas concentration information to the monitoring module 400. The monitoring module 400 analyzes the received gas concentration information to judge the safety condition of the gas monitoring device in the environment, so as to realize remote monitoring of the power distribution room.
In one embodiment, the communication interface circuit 320 includes an RS485 interface. The communication interface is of various types, and the RS485 interface is one of data communication interfaces. When the RS485 interface is used to connect each gas sensor and the core control module 210, an optical coupler is required to be connected, and the optical coupler is used to isolate interference signals.
Fig. 4 is a schematic diagram illustrating component connections of a first power module 510 and a second power module 520 according to an embodiment of the present invention. In one embodiment, the gas monitoring apparatus further comprises a first power module 510 for supplying power to the control module.
The first power module 510 includes an overvoltage protection circuit 511, configured to control a voltage of an input dc signal within a preset range; and the DC/DC converter 512 is connected to the overvoltage protection circuit, and is configured to convert the DC signal into a DC signal with a fixed voltage.
In one embodiment, the gas monitoring apparatus further includes a second power module 520, where the second power module 520 is respectively connected to the first power module 510 and the communication interface circuit 320, and is configured to supply power to the communication interface circuit 320, and the second power module further includes an isolation conversion circuit 521, which is respectively connected to the DC/DC converter and the communication interface circuit 320, and is configured to isolate an interference signal and convert the DC signal into a DC signal suitable for power supply.
Specifically, an external dc voltage source applies a dc signal to an input terminal of the first power module 510, and the overvoltage protection circuit 511 controls the input dc signal to be within a preset range, so as to prevent components from being damaged due to an excessive input voltage, thereby protecting the circuit. And converting the direct current signal into a direct current signal with fixed voltage through the DC/DC converter, and converting the input direct current signal into a voltage value required by the power consumption device. The first power module 510 has two outputs, and after the first power module 510 adjusts the input dc signal, one output supplies power to the core control module 210, the key debugging module 220, the wireless transmission module 310, the sulfur hexafluoride sensor 110, the ozone sensor 120, and the oxygen sensor 130. The other output of the first power module 520 converts the dc signal into a dc signal suitable for supplying power to the communication interface circuit 320 through the isolation converting circuit 521 of the second power module 320, and supplies power to the communication interface circuit 320.
The embodiment of the utility model provides an in gaseous monitoring devices is through gathering the gas concentration data of sulfur hexafluoride, ozone and oxygen that the department is located in the electricity distribution room environment, controls above-mentioned gas concentration at qualified index within range, prevents that harmful gas from leaking and causing ageing damage scheduling problem to equipment, extension equipment life, improvement power supply reliability. Above-mentioned gas monitoring devices can transmit the gas concentration information that acquires to monitored control system in through wireless transmission's mode, has realized the remote monitoring to joining in marriage electrical room safety state, reduces the manual work and patrols and examines the cost, improves the safety guarantee. Meanwhile, the gas monitoring device can effectively avoid artificial errors such as missing detection, false detection and the like, guarantee the safety of a power grid and the reliability of power utilization, and improve the operation and maintenance quality.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A gas monitoring device, comprising;
the detection module is used for detecting gas concentration data in the environment;
the control module is connected with the detection module and used for receiving and processing the gas concentration data to obtain gas concentration information;
the transmission module is connected with the control module and used for receiving and transmitting the gas concentration information;
and the monitoring module is connected with the transmission module and used for receiving the gas concentration information and making safety judgment according to the gas concentration information.
2. The gas monitoring device of claim 1, wherein the detection module comprises:
the sulfur hexafluoride sensor is connected with the control module, is used for detecting the concentration data of the sulfur hexafluoride in the environment and transmitting the data to the control module;
the ozone sensor is connected with the control module and used for detecting ozone concentration data in the environment and transmitting the ozone concentration data to the control module;
and the oxygen sensor is connected with the control module and used for detecting oxygen concentration data in the environment and transmitting the oxygen concentration data to the control module.
3. The gas monitoring device of claim 1, wherein the control module comprises:
the core control module is respectively connected with the detection module and the transmission module and is used for receiving and processing the gas concentration data to acquire gas concentration information;
and the key debugging module is connected with the core control module and is used for setting and resetting the ID of the gas monitoring device.
4. The gas monitoring device of claim 3, wherein the core control module comprises:
the protocol converter is connected with the detection module and is used for converting the gas concentration data acquired by the detection module into data with the same protocol standard;
the data statistics device is connected with the protocol converter and used for receiving the data of the same protocol standard and carrying out statistics;
and the analysis unit is connected with the data statistics device and used for analyzing and obtaining the gas concentration information according to the data obtained by statistics.
5. The gas monitoring device of claim 3, wherein the key commissioning module comprises:
the key unit is connected with the core control module and is used for setting the ID of the gas monitoring device;
and the resetting unit is connected with the core control module and is used for resetting the gas monitoring device.
6. The gas monitoring device of claim 1, wherein the transmission module comprises:
the wireless transmission module is connected with the control module, is used for realizing wireless communication with the monitoring module, and is used for transmitting the gas concentration information;
and the communication interface circuit is connected with the control module and used for realizing the connection between the detection module and the control module.
7. The gas monitoring device of claim 6, wherein the communication interface circuit comprises an RS485 interface and an optical coupler, wherein the optical coupler is connected to the RS485 interface for isolating an interference signal.
8. The gas monitoring device of claim 1, further comprising a first power module for powering the control module, wherein the first power module comprises:
the overvoltage protection circuit is used for controlling the voltage of the input direct current signal to be within a preset range;
and the DC/DC converter is connected with the overvoltage protection circuit and is used for converting the direct current signal into a direct current signal with fixed voltage.
9. The gas monitoring device of claim 8, further comprising a second power module, the second power module being connected to the first power module and the transmission module, respectively, for supplying power to the transmission module, wherein the second power module further comprises:
and the isolation conversion circuit is respectively connected with the DC/DC converter and the transmission module and is used for isolating interference signals and converting the direct current signals into direct current signals suitable for power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921693360.9U CN211347920U (en) | 2019-10-11 | 2019-10-11 | Gas monitoring device |
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| CN201921693360.9U CN211347920U (en) | 2019-10-11 | 2019-10-11 | Gas monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658148A (en) * | 2019-10-11 | 2020-01-07 | 广州供电局有限公司 | Gas monitoring device |
| CN112158772A (en) * | 2020-08-31 | 2021-01-01 | 广东电网有限责任公司广州供电局 | Auxiliary tool for assembling and disassembling power distribution equipment and assembling and disassembling device for power distribution equipment |
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2019
- 2019-10-11 CN CN201921693360.9U patent/CN211347920U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658148A (en) * | 2019-10-11 | 2020-01-07 | 广州供电局有限公司 | Gas monitoring device |
| CN112158772A (en) * | 2020-08-31 | 2021-01-01 | 广东电网有限责任公司广州供电局 | Auxiliary tool for assembling and disassembling power distribution equipment and assembling and disassembling device for power distribution equipment |
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