CN211351275U - High-voltage power distribution cabinet - Google Patents
High-voltage power distribution cabinet Download PDFInfo
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- CN211351275U CN211351275U CN202020137740.0U CN202020137740U CN211351275U CN 211351275 U CN211351275 U CN 211351275U CN 202020137740 U CN202020137740 U CN 202020137740U CN 211351275 U CN211351275 U CN 211351275U
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Abstract
The utility model discloses a high voltage distribution cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, consumer, insulating gas storage chamber, gaseous drying equipment, the pump, air supply pipe and muffler, consumer sets up in the cabinet internally, and the internal packing of cabinet is insulating gas, and the output in insulating gas storage chamber passes through the air supply pipe intercommunication with the input of the cabinet body, and pump and gaseous drying equipment set up on the air supply pipe, and gaseous drying equipment is between the pump and the cabinet body, and the muffler intercommunication is passed through with the output of the cabinet body to the input in insulating gas storage chamber, and the pump suction insulating gas makes insulating gas circulation flow. The utility model provides a high voltage distribution cabinet can guarantee the insulating effect of each consumer in the cabinet body, and equipment long service life, fault rate are low, the security is high.
Description
Technical Field
The utility model relates to a switch board technical field especially relates to high voltage distribution cabinet.
Background
The switch board is used for power system electricity generation, transmission of electricity, distribution, electric energy conversion and consumption in playing effects such as break-make, control or protection, along with the increase of power consumption demand, the voltage is the insulating material of the general cabinet body adoption of current switch board more and more big in the switch board, and the internal consumer and the air of cabinet are, when voltage or humidity in the switch board were too big, the internal consumer of cabinet very easily caused the damage, and switch board operational safety is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high voltage distribution cabinet can guarantee the insulating effect of each consumer in the cabinet body, and equipment long service life, fault rate are low, the security is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a high-voltage distribution cabinet, including the cabinet body, consumer, insulating gas storage chamber, gaseous drying equipment, pump, air supply pipe and muffler, the consumer set up in the cabinet is internal, the internal packing of cabinet insulating gas, the output in insulating gas storage chamber with the input of the cabinet body passes through the air supply pipe intercommunication, the pump with gaseous drying equipment set up in on the air supply pipe, gaseous drying equipment is in the pump with between the cabinet body, the input in insulating gas storage chamber with the output of the cabinet body passes through the muffler intercommunication, pump suction insulating gas makes insulating gas circulation flow.
The utility model has the advantages that: the cabinet body is filled with insulating gas, the pump enables dry insulating gas treated by the gas drying equipment to circularly flow between the cabinet body and the insulating gas storage cavity, the dry flowing insulating gas can dry wet electric equipment, the insulating gas and the dry environment have good insulating and arc extinguishing capabilities for the electric equipment in the cabinet body, the insulating effect of each electric equipment in the cabinet body is good, the service life of the equipment is long, the failure rate is low, and the safety is high.
Further, still include gas temperature regulation equipment, temperature-detecting device and controller, gas temperature regulation equipment set up in on the air supply pipe, gas temperature regulation equipment set up in gas drying equipment with between the cabinet body, temperature-detecting device set up in the cabinet is internal, temperature-detecting device with gas temperature regulation equipment with the controller communicates.
The beneficial effect of adopting the further scheme is that: when the environment temperature is detected to be overhigh, the temperature of the insulating gas supplied into the cabinet body can be reduced through the gas temperature adjusting equipment, the environment is cooled, and the normal operation of the electrical equipment in the cabinet body is ensured; when being in winter in the north, ambient temperature is low excessively, can rise the internal insulating gas's of supply cabinet temperature through gas temperature adjusting equipment, to the environment intensification, and the block terminal homoenergetic normal operating under various environment, long service life.
Further, the gas temperature adjusting device comprises a pipeline type heater and a pipeline type cooler which are arranged in sequence, the pipeline heater and the pipeline cooler are arranged in parallel, the input ends of the pipeline heater and the pipeline cooler are both communicated with the output end of the gas drying equipment, the input ends of the pipeline heater and the pipeline cooler are respectively provided with an electric valve, the output ends of the pipeline heater and the pipeline cooler are respectively communicated with the input end of the cabinet body, the output ends of the pipeline heater and the pipeline cooler are respectively provided with a one-way valve which is used for preventing gas from flowing into the pipeline heater and the pipeline cooler from the input end of the cabinet body, the electric valves of the input ends of the pipe heater and the pipe cooler are communicated with the controller.
The beneficial effect of adopting the further scheme is that: when the temperature needs to be raised, an electric valve on the pipeline type heater is opened, an electric valve on the pipeline type cooler is closed, the pipeline type heater is started, and the insulating gas conveyed by the pump enters the cabinet body after being raised in temperature by the pipeline type heater; when the temperature is required to be reduced, the electric valve on the pipeline type heater is closed, the electric valve on the pipeline type cooler is opened, the pipeline type cooler is started, the insulating gas conveyed by the pump enters the cabinet body after being cooled by the pipeline type cooler, the flowing direction of the insulating gas can be ensured by the check valve, and the insulating gas is prevented from entering the pipeline type heater and the pipeline type cooler from the output ends of the pipeline type heater and the pipeline type cooler.
Further, still include the superpressure gas discharge passage, cabinet body top is opened there is the pressure release mouth, the pressure release mouth with the input of superpressure gas discharge passage communicates, pressure release mouth department is provided with the relief valve.
The beneficial effect of adopting the further scheme is that: when an arc fault occurs, the air pressure in the cabinet body can be suddenly increased, and the pressure can be discharged through the overpressure gas discharge channel through the pressure release valve, so that the cabinet body is prevented from cracking.
The device comprises an overpressure gas discharge channel, a controller and an alarm, wherein the overpressure gas discharge channel is arranged at the input end of the overpressure gas discharge channel, the overpressure gas discharge channel is used for discharging overpressure gas, and the controller is communicated with the air pressure detection device and the alarm.
The beneficial effect of adopting the further scheme is that: when an arc fault is generated, the pressure of the input end of the overpressure gas discharge channel can suddenly rise when the pressure is discharged through the pressure release valve and the overpressure gas discharge channel, the air pressure detection device detects that the air pressure of the input end of the overpressure gas discharge channel rises and feeds the air pressure back to the controller, the controller controls the alarm to give an alarm, a worker can be reminded of timely carrying out fault treatment, and the situation that the accident is expanded because the worker is not aware of the fault after the fault is avoided.
Further, the pump with between the cabinet body the valve has on the air supply pipe, the input of muffler has the valve, the first mouth and the second of reserving is reserved to the cabinet body, first reserve the mouth with the second reserves mouthful department and all is provided with the valve.
The beneficial effect of adopting the further scheme is that: after the internal consumer of cabinet breaks down, the consumer outage, close the valve on air supply pipe and the muffler, reserve mouthful through first reservation and second and let in the air and with the internal insulating gas replacement of cabinet, avoid opening the cabinet body when partly harmful insulating gas to cause the harm to the maintenance personal is healthy.
Further, the input end of the cabinet body is a gas expansion end.
The beneficial effect of adopting the further scheme is that: the flow rate and the pressure of gas entering the cabinet body are reduced, the damage of equipment in the cabinet body caused by overlarge impact pressure of the gas on the equipment in the cabinet body is avoided, the slow flowing gas flow is more beneficial to fully replacing the gas in the cabinet body and drying water vapor, and the drying of the environment in the cabinet body is ensured.
Further, the input end of the cabinet body is arranged at the lower part of the cabinet body, the top of the cabinet body is in an inverted bucket shape, and the output end of the cabinet body is arranged at the bucket bottom of the top of the cabinet body in the bucket shape.
The beneficial effect of adopting the further scheme is that: the hopper-shaped design at the top of the cabinet body is convenient for gathering the gas exhausted from the cabinet body, and the output end and the input end are arranged up and down, so that the full replacement of the gas is facilitated.
Further, still include vapour and liquid separator, vapour and liquid separator's input with the output intercommunication of muffler, vapour and liquid separator's gas output end with the input intercommunication of insulating gas storage chamber, vapour and liquid separator's liquid output end has the valve.
The beneficial effect of adopting the further scheme is that: the gas exhausted from the cabinet body is returned to the insulating gas storage cavity after the moisture is removed by the gas-liquid separator, so that the moisture content of the gas stored in the insulating gas storage cavity is reduced.
Further, the insulating gas storage cavity is provided with an air supplement port, and a valve is arranged at the air supplement port.
The beneficial effect of adopting the further scheme is that: when the insulating gas in the whole system is insufficient, the insulating gas is filled into the system through the gas supplementing port, and the insulating effect in the cabinet body is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
in the figure: 1. a cabinet body; 11. a temperature detection device; 12. a first reserved port; 13. a second reserved port; 14. an air pressure detecting device; 2. an electricity-consuming device; 3. an insulating gas storage chamber; 31. an air supplement port; 4. a gas drying device; 5. a pump; 61. a gas supply pipe; 62. an air return pipe; 63. an overpressure gas discharge passage; 7. a gas-liquid separator; 71. a liquid output end; 8. a valve; 81. a one-way valve; 9. a gas temperature regulating device; 91. a pipe-type heater; 92. a tube cooler;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in FIG. 1, the embodiment of the high voltage power distribution cabinet disclosed by the utility model comprises a cabinet body 1, an electric device 2, an insulating gas storage cavity 3, a gas drying device 4, a pump 5, an air supply pipe 61 and an air return pipe 62, wherein the cabinet body 1 has good sealing performance everywhere, the electric device 2 is arranged in the cabinet body 1, the cabinet body 1 is filled with insulating gas, the output end of the insulating gas storage cavity 3 is communicated with the input end of the cabinet body 1 through the air supply pipe 61, the pump 5 and the gas drying device 4 are arranged on the air supply pipe 61, the gas drying device 4 is arranged between the pump 5 and the cabinet body 1, the input end of the insulating gas storage cavity 3 is communicated with the output end of the cabinet body 1 through the air return pipe 62, the pump 5 pumps insulating gas to make the insulating gas flow circularly, the insulating gas storage cavity 3 is provided with an air return port 31, a valve 8 is arranged at the air return port 31, the system is filled with an insulating gas through a gas replenishment port 31.
As a further scheme of the above embodiment, the drying device further includes a gas temperature adjusting device 9, a temperature detecting device 11 and a controller, the gas temperature adjusting device 9 is disposed on the gas supply pipe 61, the gas temperature adjusting device 9 is disposed between the gas drying device 4 and the cabinet 1, the temperature detecting device 11 is disposed in the cabinet 1, and the temperature detecting device 11 and the gas temperature adjusting device 9 are in communication with the controller.
Specifically, the gas temperature adjusting device 9 includes a pipeline heater 91 and a pipeline cooler 92 which are sequentially arranged, the pipeline heater 91 and the pipeline cooler 92 are arranged in parallel, input ends of the pipeline heater 91 and the pipeline cooler 92 are both communicated with an output end of the gas drying device 4, input ends of the pipeline heater 91 and the pipeline cooler 92 are both provided with electric valves, output ends of the pipeline heater 91 and the pipeline cooler 92 are both communicated with an input end of the cabinet body 1, output ends of the pipeline heater 91 and the pipeline cooler 92 are both provided with a check valve 81, the check valve 81 is used for preventing gas from flowing into the pipeline heater 91 and the pipeline cooler 92 from the input end of the cabinet body 1, and the pipeline heater 91, the pipeline cooler 92 and electric valves at the input ends of the pipeline heater 91 and the pipeline cooler 92 are both communicated with the controller.
As a further scheme of the above embodiment, the exhaust gas purification device further comprises an overpressure gas exhaust channel 63, the top of the cabinet body 1 is provided with a pressure relief opening, the pressure relief opening is communicated with an input end of the overpressure gas exhaust channel 63, an output end of the overpressure gas exhaust channel 63 is communicated with a tail gas treatment device, and a pressure relief valve is arranged at the pressure relief opening.
As a further scheme of the above embodiment, the system further comprises an air pressure detection device 14 and an alarm, the air pressure detection device 14 is arranged at an input end of the overpressure gas discharge passage 63, the air pressure detection device 14 is used for detecting the air pressure at the input end of the overpressure gas discharge passage 63, the air pressure detection device 14 and the alarm are communicated with the controller, and the alarm can be an existing audible and visual alarm or alarm through a mobile phone/PC or other terminal equipment.
Have valve 8 on the air supply pipe 61 between pump 5 and the cabinet body 1, the input of muffler 62 has valve 8, first reservation mouth 12 and second reservation mouth 13 have on the cabinet body 1, first reservation mouth 12 and second reservation mouth 13 department all are provided with valve 8, first reservation mouth 12 and second reservation mouth 13 set up respectively in the relative both sides of the cabinet body 1 and distribute from top to bottom, first reservation mouth 12 is the end of ventilating, second reservation mouth 13 is the exhaust end, second reservation mouth 13 communicates with tail gas treatment device.
As a further scheme of the above embodiment, the input end of the cabinet 1 is a gas expansion end, the input end of the cabinet 1 is at the lower part of the cabinet 1, the top of the cabinet 1 is in an inverted hopper shape, and the output end of the cabinet 1 is at the bottom of the hopper shape of the top of the cabinet 1.
As a further scheme of the above embodiment, the gas-liquid separator 7 is further included, the gas-liquid separator 7 may be a cyclone separator or other gas-liquid separation equipment, an input end of the gas-liquid separator 7 is communicated with an output end of the gas return pipe 62, a gas output end of the gas-liquid separator 7 is communicated with an input end of the insulating gas storage cavity 3, and a liquid output end 71 of the gas-liquid separator 7 is provided with a valve 8.
The valves 8 can be electrically operated valves, all the valves 8 are communicated with a controller and controlled by the controller, and the controller can select the existing PLC or single chip microcomputer.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a high voltage distribution cabinet which characterized in that: comprises a cabinet body (1), electric equipment (2), an insulating gas storage cavity (3), gas drying equipment (4), a pump (5), a gas supply pipe (61) and a gas return pipe (62), the electric equipment (2) is arranged in the cabinet body (1), the cabinet body (1) is filled with insulating gas, the output end of the insulating gas storage cavity (3) is communicated with the input end of the cabinet body (1) through the gas supply pipe (61), the pump (5) and the gas drying device (4) are arranged on the gas supply pipe (61), the gas drying device (4) is between the pump (5) and the cabinet (1), the input end of the insulating gas storage cavity (3) is communicated with the output end of the cabinet body (1) through the air return pipe (62), and the pump (5) sucks insulating gas to enable the insulating gas to flow circularly.
2. High voltage power distribution cabinet according to claim 1, characterized in that: still include gaseous temperature regulation equipment (9), temperature-detecting device (11) and controller, gaseous temperature regulation equipment (9) set up in on gas supply pipe (61), gaseous temperature regulation equipment (9) set up in gas drying equipment (4) with between the cabinet body (1), temperature-detecting device (11) set up in the cabinet body (1), temperature-detecting device (11) with gaseous temperature regulation equipment (9) with the controller communicates.
3. High voltage power distribution cabinet according to claim 2, characterized in that: the gas temperature adjusting device (9) comprises a pipeline type heater (91) and a pipeline type cooler (92) which are sequentially arranged, the pipeline type heater (91) and the pipeline type cooler (92) are arranged in parallel, the input ends of the pipeline type heater (91) and the pipeline type cooler (92) are communicated with the output end of the gas drying device (4), the input ends of the pipeline type heater (91) and the pipeline type cooler (92) are respectively provided with an electric valve, the output ends of the pipeline type heater (91) and the pipeline type cooler (92) are respectively communicated with the input end of the cabinet body (1), the output ends of the pipeline type heater (91) and the pipeline type cooler (92) are respectively provided with a one-way valve (81), and the one-way valve (81) is used for preventing gas from flowing into the pipeline type heater (91) and the pipeline type cooler (92) from the input end of the cabinet body (1), the inline heater (91) and inline cooler (92) and the electrically operated valves at the input to both communicate with the controller.
4. High voltage power distribution cabinet according to claim 1, characterized in that: the cabinet is characterized by further comprising an overpressure gas discharge channel (63), wherein a pressure relief opening is formed in the top of the cabinet body (1), the pressure relief opening is communicated with the input end of the overpressure gas discharge channel (63), and a pressure relief valve is arranged at the position of the pressure relief opening.
5. The high voltage distribution cabinet according to claim 4, characterized in that: the device is characterized by further comprising a gas pressure detection device (14), a controller and an alarm, wherein the gas pressure detection device (14) is arranged at the input end of the overpressure gas discharge channel (63), the gas pressure detection device (14) is used for detecting the gas pressure at the input end of the overpressure gas discharge channel (63), and the gas pressure detection device (14) and the alarm are communicated with the controller.
6. High voltage power distribution cabinet according to claim 1, characterized in that: pump (5) with between the cabinet body (1) have valve (8) on air supply pipe (61), the input of muffler (62) has valve (8), first reservation mouth (12) and second reservation mouth (13) have on the cabinet body (1), first reservation mouth (12) with second reservation mouth (13) department all is provided with valve (8).
7. High voltage power distribution cabinet according to claim 1, characterized in that: the input end of the cabinet body (1) is a gas expansion end.
8. High voltage power distribution cabinet according to claim 1, characterized in that: the input of the cabinet body (1) is in the lower part of the cabinet body (1), the top of the cabinet body (1) is in an inverted hopper shape, and the output end of the cabinet body (1) is at the bottom of the hopper shape at the top of the cabinet body (1).
9. High voltage power distribution cabinet according to claim 1, characterized in that: still include vapour and liquid separator (7), the input of vapour and liquid separator (7) with the output intercommunication of muffler (62), the gas outlet end of vapour and liquid separator (7) with the input intercommunication of insulating gas storage chamber (3), liquid outlet end (71) of vapour and liquid separator (7) have valve (8).
10. High voltage power distribution cabinet according to claim 1, characterized in that: the insulating gas storage cavity (3) is provided with an air supplement port (31), and a valve (8) is arranged at the air supplement port (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137740.0U CN211351275U (en) | 2020-01-21 | 2020-01-21 | High-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137740.0U CN211351275U (en) | 2020-01-21 | 2020-01-21 | High-voltage power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN211351275U true CN211351275U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020137740.0U Active CN211351275U (en) | 2020-01-21 | 2020-01-21 | High-voltage power distribution cabinet |
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| CN (1) | CN211351275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115776066A (en) * | 2022-11-29 | 2023-03-10 | 连云港科博电力设备有限公司 | Special electronic insulation corrosion preventer for high-voltage cabinet |
-
2020
- 2020-01-21 CN CN202020137740.0U patent/CN211351275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115776066A (en) * | 2022-11-29 | 2023-03-10 | 连云港科博电力设备有限公司 | Special electronic insulation corrosion preventer for high-voltage cabinet |
| CN115776066B (en) * | 2022-11-29 | 2024-07-02 | 连云港科博电力设备有限公司 | Special electronic insulation corrosion inhibitor for high-voltage cabinet |
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