CN211015095U - Intelligent monitoring wind control device for GIS room of transformer substation - Google Patents
Intelligent monitoring wind control device for GIS room of transformer substation Download PDFInfo
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- CN211015095U CN211015095U CN201922302649.XU CN201922302649U CN211015095U CN 211015095 U CN211015095 U CN 211015095U CN 201922302649 U CN201922302649 U CN 201922302649U CN 211015095 U CN211015095 U CN 211015095U
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Abstract
The utility model provides a GIS room intelligent monitoring wind accuse device of transformer substation, including fan control end, route end and monitor terminal, the fan control end includes sulfur hexafluoride gas sensor, oxygen sensor, microcontroller, fan drive circuit and wireless communication module, sulfur hexafluoride gas sensor, oxygen sensor connect microcontroller's input, fan drive circuit connects microcontroller's output, microcontroller passes through route end and monitor terminal communication connection. The numerical values of the sulfur hexafluoride gas sensor and the oxygen sensor are sent to the monitoring terminal through the microcontroller, the wireless communication module and the routing end, so that real-time monitoring of the monitoring terminal is achieved. When the content of sulfur hexafluoride gas and oxygen reaches the alarm set value, the microcontroller sends alarm information to the monitoring end through the wireless communication module and the routing end, operation and maintenance personnel can send instructions to the monitoring end, and the fan is controlled to be turned on or turned off through the routing end and the fan driving circuit, so that ventilation and exhaust are timely performed.
Description
Technical Field
The utility model relates to a power equipment monitoring field, more specifically relates to a GIS room intelligent monitoring wind accuse device of transformer substation.
Background
Sulfur hexafluoride Gas is filled in sulfur hexafluoride closed type combined electrical equipment (GIS for short) in a transformer substation to serve as an insulating and arc extinguishing medium. The GIS room is the place of placing GIS equipment specially, and in order to prevent that the sulfur hexafluoride gas that fills in GIS is leaked, indoor oxygen is not enough, causes the threat to the human body, equipment, installs the content monitoring and ventilation unit of sulfur hexafluoride gas and oxygen at the room door usually. According to the power grid standard, ventilation needs to be carried out for a certain time (at least 15 minutes) before the sulfur hexafluoride enters a GIS room to work, and the sulfur hexafluoride gas content and the oxygen content are ensured to meet requirements (generally, the sulfur hexafluoride content is less than 1000ppm, and the oxygen content is more than 18%), so that the sulfur hexafluoride can enter the GIS room to work.
At present, sulfur hexafluoride gas monitoring and ventilation devices generally adopt local control functions. The monitoring data of the content of sulfur hexafluoride gas and oxygen and the start and stop of the fan are checked, set and operated on site. Therefore, the transformer operation and maintenance personnel cannot realize the real-time monitoring of the GIS room. Except on the spot, the operation and maintenance personnel cannot check the content monitoring data of sulfur hexafluoride gas and oxygen in the GIS room, and cannot remotely set parameters such as alarm values. The GIS room fan is operated on site, so that ventilation is needed for a period of time before indoor work, and unnecessary time waste is caused; and when the sulfur hexafluoride gas content is greatly increased due to leakage, the optimal emergency repair time is missed because the ventilation device cannot be remotely controlled to be opened in advance, and equipment and emergency repair personnel face huge danger in severe cases.
The existing GIS room ventilation device is generally operated and controlled on the spot, and cannot realize the remote monitoring of gas values and the remote control operation of a fan, and the method specifically comprises the following steps:
1. the existing GIS room ventilation device does not have a remote alarm function, and when the indoor gas content exceeds a standard value, operation and maintenance personnel cannot quickly know alarm information, so that timely handling of accidents can be delayed.
2. The existing GIS room ventilation device lacks the function of starting a fan urgently, when the indoor gas content exceeds a standard value, the fan cannot be started rapidly to ventilate, and equipment faces the risk of unplanned shutdown and even damage.
3. The existing ventilation device for the GIS room lacks the function of starting and stopping the fan at fixed time, and before operation and maintenance personnel enter the GIS room for work at every time, the operation and maintenance personnel need to manually open the fan to wait for ventilation for a period of time to reach a room door, so that the work efficiency is influenced.
4. The existing GIS room ventilation device cannot remotely start and stop the fan through a remote control terminal, cannot ventilate according to actual working needs, and cannot realize remote control.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art the defect, provide a GIS room intelligent monitoring wind accuse device of transformer substation, realize that the real-time remote monitoring of sulfur hexafluoride gas and oxygen content and the remote control of fan are opened or are closed.
The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the utility model provides a transformer substation GIS room intelligent monitoring wind accuse device, includes fan control end, route end and monitor terminal, the fan control end includes sulfur hexafluoride gas sensor, oxygen sensor, microcontroller, fan drive circuit and wireless communication module, sulfur hexafluoride gas sensor, oxygen sensor connect microcontroller's input, fan drive circuit connects microcontroller's output, microcontroller passes through route end and monitor terminal communication connection.
Preferably, the sulfur hexafluoride gas sensor is arranged in a GIS room, and the model number of the sulfur hexafluoride gas sensor is TGS 832.
Preferably, the oxygen sensor is arranged in a GIS room and is of the type KE-25.
Preferably, the microcontroller is model number STC89C52 RC.
Preferably, the intelligent monitoring wind control device for the GIS room of the transformer substation further comprises a time service module electrically connected with the microcontroller, wherein the model of the time service module is SKG12 AT. The built-in clock value can be used for time setting, and has the characteristics of high precision, low power consumption and small volume.
Preferably, the fan driving circuit comprises a photoelectric coupler, an amplifying circuit and a relay, the microcontroller, the photoelectric coupler, the amplifying circuit and the relay are electrically connected in sequence, and the relay is connected with a fan of a GIS room of the transformer substation.
Preferably, the model of the photoelectric coupler is 817C.
Preferably, the triode of the amplifying circuit adopts an NPN 8050 transistor.
Preferably, the relay is of a model of Songle T73.
Preferably, the fan is powered by a 220V alternating current power supply.
Preferably, the wireless communication module adopts a WIFI module with the model number H L K-RM 04.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is: the utility model provides a GIS room intelligent monitoring wind accuse device of transformer substation, including fan control end, route end and monitor terminal, the fan control end includes sulfur hexafluoride gas sensor, oxygen sensor, microcontroller, fan drive circuit and wireless communication module, sulfur hexafluoride gas sensor, oxygen sensor connect microcontroller's input, fan drive circuit connects microcontroller's output, microcontroller passes through route end and monitor terminal communication connection. The numerical values of the sulfur hexafluoride gas sensor and the oxygen sensor are sent to the monitoring terminal through the microcontroller, the wireless communication module and the routing end, so that real-time monitoring of the monitoring terminal is achieved. When the sulfur hexafluoride gas and oxygen content reach alarm set values (the sulfur hexafluoride content is greater than 1000ppm or the oxygen content is less than 18%), the microcontroller sends alarm information to the monitoring end through the wireless communication module and the routing end, operation and maintenance personnel can send instructions at the monitoring end, and the fan is controlled to be opened or closed through the routing end and the fan driving circuit, so that ventilation and exhaust are timely performed.
Drawings
Fig. 1 is a schematic diagram of an intelligent monitoring wind control device of a GIS room of a transformer substation.
Fig. 2 is a schematic diagram of a microcontroller.
Fig. 3 is a schematic diagram of a fan drive circuit.
Fig. 4 is a schematic diagram of a wireless communication module.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the intelligent wind monitoring control device for the transformer substation GIS room comprises a fan control end, a routing end and a monitoring terminal, wherein the fan control end comprises a sulfur hexafluoride gas sensor, an oxygen sensor, a microcontroller, a fan driving circuit and a wireless communication module, the sulfur hexafluoride gas sensor and the oxygen sensor are connected with an input end of the microcontroller, the fan driving circuit is connected with an output end of the microcontroller, and the microcontroller is in communication connection with the monitoring terminal through the routing end. The number of the fan control ends is determined according to the fans needing to be controlled.
The sulfur hexafluoride gas sensor is arranged in a GIS room and is of the type TGS 832.
The oxygen sensor is arranged in a GIS room and is of the type KE-25.
Preferably, the intelligent monitoring wind control device for the GIS room of the transformer substation further comprises a time service module electrically connected with the microcontroller, wherein the model of the time service module is SKG12 AT. The built-in clock value can be used for time setting, and has the characteristics of high precision, low power consumption and small volume. Operation and maintenance personnel can set the fan on-off time at the monitoring end at fixed time every day, and when the clock of the time service module is consistent with the preset on-off time, the microcontroller can control the fan to be turned on or off through the fan driving circuit.
As shown in fig. 2, the microcontroller is model number STC89C52 RC. STC89C52RC is a high performance, low power consumption, interference resistant CMOS 8-bit microcontroller manufactured by STC corporation. STC89C52 uses a classical MCS-51 core, but a lot of improvements are made to enable the chip to have functions which are not possessed by a traditional 51 single chip microcomputer. On a single chip, the embedded control system has a smart 8-bit CPU, an 8K programmable Flash memory and a 512-byte RAM, and provides a high-flexibility and ultra-effective solution for a plurality of embedded control application systems.
As shown in fig. 3, the fan driving circuit includes a photoelectric coupler, an amplifying circuit and a relay, the microcontroller, the photoelectric coupler, the amplifying circuit and the relay are electrically connected in sequence, and the relay is connected to the fan of the GIS room of the transformer substation. The fan driving circuit realizes the on-off of the fan through the high and low levels output by the microcontroller.
The model of the photoelectric coupler is 817C. Compared with other control modes, the optical coupling isolation has the advantages of high isolation withstand voltage, strong anti-interference capability and the like.
The triode of the amplifying circuit adopts an NPN 8050 transistor.
The relay is of a model of Songle T73. The voltage range of the output contact is 0-250V, so that the output contact can be connected to a switch loop of the fan.
The fan is powered by a 220V alternating current power supply.
As shown in fig. 4, the wireless communication module adopts a WIFI module with a model number of H L K-RM04, the H L K-RM04 module is internally provided with a TCP/IP protocol stack and can be equipped as a router or a wireless network card, so that the module can serve as not only a routing end shown in fig. 1 but also a wireless communication module of a fan control end, and can automatically complete the interconversion between a WIFI data signal and serial data.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The intelligent wind monitoring control device for the GIS room of the transformer substation is characterized by comprising a fan control end, a routing end and a monitoring terminal, wherein the fan control end comprises a sulfur hexafluoride gas sensor, an oxygen sensor, a microcontroller, a fan driving circuit and a wireless communication module, the sulfur hexafluoride gas sensor and the oxygen sensor are connected with the input end of the microcontroller, the fan driving circuit is connected with the output end of the microcontroller, and the microcontroller is in communication connection with the monitoring terminal through the routing end.
2. The intelligent substation GIS room monitoring wind control device according to claim 1, wherein the sulfur hexafluoride gas sensor is arranged in a GIS room and is of the type TGS 832.
3. The intelligent monitoring wind control device for the transformer substation GIS room according to claim 1, wherein the oxygen sensor is arranged in the GIS room and is of KE-25 type.
4. The intelligent substation GIS room monitoring wind control device according to claim 1, wherein the type of the microcontroller is STC89C52RC, the intelligent substation GIS room monitoring wind control device further comprises a time service module electrically connected with the microcontroller, and the type of the time service module is SKG12 AT.
5. The intelligent wind control device for monitoring of the GIS room of the transformer substation according to claim 1, wherein the fan driving circuit comprises a photoelectric coupler, an amplifying circuit and a relay, the microcontroller, the photoelectric coupler, the amplifying circuit and the relay are electrically connected in sequence, and the relay is connected with a fan of the GIS room of the transformer substation.
6. The intelligent substation GIS room monitoring wind control device of claim 5, wherein the model of the photoelectric coupler is 817C.
7. The wind control device for intelligent monitoring of a substation GIS room according to claim 5, wherein the triode of the amplifying circuit is an NPN 8050 transistor.
8. The intelligent substation GIS room monitoring wind control device according to claim 5, wherein the relay is Songle T73.
9. The intelligent substation GIS room monitoring wind control device of claim 8, wherein the fan is powered by a 220V AC power supply.
10. The substation GIS room intelligent monitoring wind control device of claim 1, wherein the wireless communication module is a WIFI module with a model number of H L K-RM 04.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302649.XU CN211015095U (en) | 2019-12-19 | 2019-12-19 | Intelligent monitoring wind control device for GIS room of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302649.XU CN211015095U (en) | 2019-12-19 | 2019-12-19 | Intelligent monitoring wind control device for GIS room of transformer substation |
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| CN211015095U true CN211015095U (en) | 2020-07-14 |
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| CN201922302649.XU Active CN211015095U (en) | 2019-12-19 | 2019-12-19 | Intelligent monitoring wind control device for GIS room of transformer substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894968A (en) * | 2022-04-19 | 2022-08-12 | 常州中能电力科技有限公司 | Service life evaluation alarm method and device for oxygen sensor of power distribution room |
| CN114894968B (en) * | 2022-04-19 | 2024-04-26 | 常州中能电力科技有限公司 | Life assessment alarm method and device for oxygen sensor of distribution room |
-
2019
- 2019-12-19 CN CN201922302649.XU patent/CN211015095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894968A (en) * | 2022-04-19 | 2022-08-12 | 常州中能电力科技有限公司 | Service life evaluation alarm method and device for oxygen sensor of power distribution room |
| CN114894968B (en) * | 2022-04-19 | 2024-04-26 | 常州中能电力科技有限公司 | Life assessment alarm method and device for oxygen sensor of distribution room |
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