CN208581056U - The electric protection device intelligently powered off - Google Patents

The electric protection device intelligently powered off Download PDF

Info

Publication number
CN208581056U
CN208581056U CN201821369442.3U CN201821369442U CN208581056U CN 208581056 U CN208581056 U CN 208581056U CN 201821369442 U CN201821369442 U CN 201821369442U CN 208581056 U CN208581056 U CN 208581056U
Authority
CN
China
Prior art keywords
distribution cabinet
power distribution
screw thread
connector sleeve
protection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821369442.3U
Other languages
Chinese (zh)
Inventor
黄瑜珈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lingnan Normal University
Original Assignee
Lingnan Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lingnan Normal University filed Critical Lingnan Normal University
Priority to CN201821369442.3U priority Critical patent/CN208581056U/en
Application granted granted Critical
Publication of CN208581056U publication Critical patent/CN208581056U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Distribution Board (AREA)

Abstract

The utility model discloses the electric protection devices intelligently powered off; including power distribution cabinet, connecting line, connector sleeve, power supply line, inflator pump, fixed link, spring, slide bar, connecting plate, insulation board, switch, exhaust pipe, the first solenoid valve, smoke sensor device; the electric protection device intelligently powered off; clever structure; it is powerful; it is easy to operate; by using the device; can intelligence to power distribution cabinet carry out power down process; it effectively prevents power distribution cabinet on fire and causes the generation of fire phenomena, play a protective role to the electronic component in power distribution cabinet and power distribution cabinet.

Description

The electric protection device intelligently powered off
Technical field
The utility model relates to protective devices, more particularly to the electric protection device intelligently powered off.
Background technique
Power distribution cabinet is the final stage device of distribution system.Power distribution cabinet is the general designation of motor control center.Power distribution cabinet use exists The occasion that load is more dispersed, circuit is less;The occasion that motor control center concentrates for load, circuit is more.Their handles The electric energy of a certain circuit of upper level controller switching equipment distributes to nearest load.This grade of equipment reply load provide protection, monitoring and Control.
Currently, traditional distribution cabinet is single, there is not power-off protection function, when the electronic component long-time in power distribution cabinet Easily occur aging after use, the electronic component after aging using when easily there is short circuit and lead to that sparks flying off in all directions, ultimately cause power distribution cabinet It is on fire, that is, lead to the generation of fire phenomena, in view of disadvantages described above, it is really necessary to design the electric protection device intelligently powered off.
Utility model content
Technical problem to be solved by the utility model is to provide the electric protection devices intelligently powered off, to solve to carry on the back The problem of scape technology proposes.
In order to solve the above technical problems, the technical solution of the utility model is: the electric protection device intelligently powered off, including Power distribution cabinet, further include connecting line, connector sleeve, power supply line, inflator pump, fixed link, spring, slide bar, connecting plate, insulation board, switch, Exhaust pipe, the first solenoid valve, smoke sensor device, connecting line lower end on the right side of the power distribution cabinet, the connecting line with match Electric cabinet screw thread is connected, and the connector sleeve is through connecting line, and the connector sleeve is connected with connecting line screw thread, the power supply Line is on the right side of connector sleeve, and the power supply line is connected with external threading is connect, and the inflator pump is located at connector sleeve top right side, The inflator pump is connected with external threading is connect, and the fixed link is through middle-end at the top of connector sleeve, the fixed link and company Female connector screw thread is connected, and the fixed link is connected with inflator pump pipeline, and the spring is located at connector sleeve inner upper end, described Spring be connected with connector sleeve adhesive, the slide bar is located at spring bottom, and the slide bar is connected with spring adhesive, and The slide bar is connected with fixed link sliding, and the connecting plate is located at slide bar bottom, the connecting plate and slide bar screw thread phase Even, the insulation board is located at connecting plate bottom, and the insulation board is connected with connecting plate screw thread, and the switch is located at connection Side in interior lower end is covered, the switch is connected with external threading is connect, and the exhaust pipe is described through upper end on the left of fixed link Exhaust pipe be connected with fixed link screw thread, first solenoid valve is located at exhaust tube wall, first solenoid valve and row Gas-pipe thread is connected, and the smoke sensor device is located at power distribution cabinet inner right side upper end, the smoke sensor device and power distribution cabinet Screw thread is connected.
Further, it is additionally provided with holding vessel on the left of the power distribution cabinet, the holding vessel is connected with distribution counter thread.
Further, it is additionally provided with asepwirator pump at the top of the holding vessel, the asepwirator pump is connected with holding vessel screw thread.
Further, it being additionally provided with Y-piece at the top of the asepwirator pump, described Y-piece one end is connected with asepwirator pump screw thread, and The another both ends of Y-piece left and right sides at the top of power distribution cabinet, the another both ends of the Y-piece are connected with distribution counter thread.
Further, middle-end has also extended through heat exhausting pipe, the heat exhausting pipe and distribution counter thread phase at the top of the power distribution cabinet Even.
Further, the heat extraction pipe outer wall is additionally provided with second solenoid valve, the second solenoid valve and heat extraction pipe screw thread It is connected.
Further, the power distribution cabinet front end is additionally provided with safety door, is rotatedly connected on the left of the safety door with power distribution cabinet, And it is connected on the right side of the safety door with power distribution cabinet lock.
Further, it is additionally provided with alarm on the upside of the safety door front end, the alarm is connected with safety door screw thread.
Further, it is additionally provided with handle on the right side of the safety door front end, the handle is connected with safety door screw thread.
Compared with prior art, electric protection device intelligently powered off, before use, staff pulls with hand handle first Hand, so that handle drives safety door to be in the state being unfolded, staff again installs electronic component to power distribution cabinet, and work people Installation to the electronic component in power distribution cabinet is connected by member with connecting line again, and staff uses hand closed safe door again, and work people Member again by power supply line, smoke sensor device, inflator pump, the first solenoid valve, switch, asepwirator pump, second solenoid valve and alarm with Extraneous power supply is connected, in use, staff first closes the first solenoid valve with hand, then opens second solenoid valve, work with hand Personnel open inflator pump with hand again, and the charge air conditioning that inflator pump generates is discharged into fixed link inner upper end, at this point, being discharged into fixed link The charge air conditioning of portion upper end carries out thrust to slide bar, allows slide bar to drive direction of the connecting plate together with insulation board along connector sleeve with this It does and moves from top to bottom, that is, insulation board is allowed to move along the direction of switch, synchronous, spring is in the state stretched, works as insulation board When carrying out extruding force to switch, at this point, switch is opened, by turning on the switch, so that inflator pump stops working, meanwhile, when exhausted When listrium carries out extruding force to switch, connecting line is in the state being connected to power supply line by connecting plate, and the connecting plate is gold Belong to material to allow and match with this at this point, the electric energy of extraneous power supply is passed to the electronic component in power distribution cabinet by connecting line by power supply line Electronic component in electric cabinet is in obtain electric state, that is, allows the electronic component in power distribution cabinet to be in the state of work, in power distribution cabinet When interior electronic component works, electronic component can generate heat, i.e. temperature in power distribution cabinet can be gradually increasing, and pass through and open second The effect of solenoid valve, so that the external world is discharged by heat exhausting pipe in the hot gas in power distribution cabinet, when the electronic component in power distribution cabinet makes for a long time It will appear aging after, i.e., outside electronic component when the insulation rubber aging of package, at this point, the insulation rubber makes because of electronic component Smog can be generated with the temperature of generation, when smoke sensor device monitors smog, the first solenoid valve is turned on, at this point, fixed link The charge air conditioning of inner upper end be discharged by exhaust pipe it is extraneous, by the effect of recoil of spring power, by slide bar together with connecting plate and Insulation board does along the direction of connector sleeve and moves from bottom to top, allows connecting line and power supply line to be in the state separated with this, i.e., outer Boundary's power supply stops the power supply to electronic component in power distribution cabinet, i.e., the work of electronic component in stopping power distribution cabinet, meanwhile, when smog passes When sensor monitors smog, alarm issues alarm, prompts to have generated smog in staff's power distribution cabinet by alarm, just Corresponding processing is carried out in electronic component of the staff to aging in power distribution cabinet, effectively prevents power distribution cabinet phenomenon on fire Occur, meanwhile, when smoke sensor device monitors smog, second solenoid valve is closed, its purpose is to allow inside power distribution cabinet with The state of external world's processing isolation, meanwhile, when smoke sensor device monitors smog, asepwirator pump is turned on, and asepwirator pump is by holding vessel Interior carbon dioxide gas is discharged into power distribution cabinet by Y-piece, and its purpose is to prevent staff from can not timely handle production The power distribution cabinet of raw smog, and then power distribution cabinet is caused further to deteriorate the generation of phenomena such as on fire such as power distribution cabinet, power distribution cabinet is played Protective effect, the electric protection device intelligently powered off, clever structure is powerful, easy to operate, by using the device, Can intelligence to power distribution cabinet carry out power down process, effectively prevent power distribution cabinet on fire and cause the generation of fire phenomena, to distribution Electronic component in cabinet and power distribution cabinet plays a protective role, meanwhile, the smoke sensor device and alarm, the first electromagnetism Valve, second solenoid valve and asepwirator pump signal wire are connected, the smoke sensor device model HIS-07, the inflation pump-type Number preferably HT-3703, the air-breathing pump type is preferably 24V12B80R29, and first electromagnetic valve model is preferably 2W10, the second solenoid valve model is preferably SY5120-5LZD-01, and the slide bar is isolation material.
Detailed description of the invention
Fig. 1 is the local front sectional view of the electric protection device intelligently powered off;
Fig. 2 is the partial front elevation view of the electric protection device intelligently powered off;
Fig. 3 is the inside partial sectional view of connector sleeve.
Power distribution cabinet 1, connecting line 2, connector sleeve 3, power supply line 4, inflator pump 5, fixed link 6, spring 7, slide bar 8, connecting plate 9, Insulation board 10, switch 11, exhaust pipe 12, the first solenoid valve 13, smoke sensor device 14, holding vessel 101, asepwirator pump 102, Y-piece 103, heat exhausting pipe 104, second solenoid valve 105, safety door 106, alarm 107, handle 108.
The following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Hereinafter, a variety of specific details are elaborated, in order to provide to the saturating of the concept for constituting described embodiment basis Thorough understanding.However, it will be apparent to those skilled in the art that described embodiment can be in these no specific details In some or all situations get off practice.In other cases, well-known processing step is not specifically described.
As shown in Figure 1, Figure 2, Figure 3 shows, the electric protection device intelligently powered off, including power distribution cabinet 1, connecting line 2, connector sleeve 3, Power supply line 4, inflator pump 5, fixed link 6, spring 7, slide bar 8, connecting plate 9, insulation board 10, switch 11, exhaust pipe 12, the first electromagnetism Valve 13, smoke sensor device 14, the connecting line 2 run through 1 right side lower end of power distribution cabinet, the connecting line 2 and 1 screw thread of power distribution cabinet It is connected, the connector sleeve 3 is through connecting line 2, and the connector sleeve 3 is connected with 2 screw thread of connecting line, the power supply line 4 Through 3 right side of connector sleeve, the power supply line 4 is connected with 3 screw thread of connector sleeve, and the inflator pump 5 is located at 3 top right of connector sleeve Side, the inflator pump 5 are connected with 3 screw thread of connector sleeve, and the fixed link 6 runs through 3 top middle-end of connector sleeve, the fixation Bar 6 is connected with 3 screw thread of connector sleeve, and the fixed link 6 is connected with 5 pipeline of inflator pump, and the spring 7 is located at connector sleeve 3 Inner upper end, the spring 7 are connected with 3 adhesive of connector sleeve, and the slide bar 8 is located at 7 bottom of spring, the slide bar 8 It is connected with 7 adhesive of spring, and the slide bar 8 is connected with the sliding of fixed link 6, the connecting plate 9 is located at 8 bottom of slide bar, The connecting plate 9 is connected with 8 screw thread of slide bar, and the insulation board 10 is located at 9 bottom of connecting plate, the insulation board 10 and company 9 screw thread of fishplate bar is connected, and the switch 11 is located at side in 3 interior lower end of connector sleeve, the switch 11 and 3 screw thread phase of connector sleeve Even, the exhaust pipe 12 runs through 6 left side upper end of fixed link, and the exhaust pipe 12 is connected with 6 screw thread of fixed link, and described the One solenoid valve 13 is located at 12 outer wall of exhaust pipe, and first solenoid valve 13 is connected with 12 screw thread of exhaust pipe, and the smog passes Sensor 14 is located at 1 inner right side upper end of power distribution cabinet, and the smoke sensor device 14 is connected with 1 screw thread of power distribution cabinet, the distribution Holding vessel 101 is additionally provided on the left of cabinet 1, the holding vessel 101 is connected with 1 screw thread of power distribution cabinet, at the top of the holding vessel 101 also Equipped with asepwirator pump 102, the asepwirator pump 102 is connected with 101 screw thread of holding vessel, is additionally provided with Y type at the top of the asepwirator pump 102 Pipe 103, described 103 one end of Y-piece are connected with 102 screw thread of asepwirator pump, and power distribution cabinet 1 is run through at the another both ends of Y-piece 103 At left and right sides of top, the another both ends of Y-piece 103 are connected with 1 screw thread of power distribution cabinet, and the 1 top middle-end of power distribution cabinet is also passed through It is installed with heat exhausting pipe 104, the heat exhausting pipe 104 is connected with 1 screw thread of power distribution cabinet, and 104 outer wall of heat exhausting pipe is additionally provided with second Solenoid valve 105, the second solenoid valve 105 are connected with 104 screw thread of heat exhausting pipe, and 1 front end of power distribution cabinet is additionally provided with safety Door 106,106 left side of safety door are rotatedly connected with power distribution cabinet 1, and 106 right side of safety door is latched with power distribution cabinet 1 It is connected, is additionally provided with alarm 107, the alarm 107 and 106 screw thread phase of safety door on the upside of 106 front end of safety door Even, it is additionally provided with handle 108 on the right side of 106 front end of safety door, the handle 108 is connected with 106 screw thread of safety door.
The electric protection device intelligently powered off, before use, staff pulls with hand handle 108 first, so that handle 108 drive safety door 106 to be in the state being unfolded, and staff again installs electronic component to power distribution cabinet 1, and staff is again Installation to the electronic component in power distribution cabinet 1 is connected with connecting line 2, staff uses hand closed safe door 106 again, and work people Member is again by power supply line 4, smoke sensor device 14, inflator pump 5, the first solenoid valve 13, switch 11, asepwirator pump 102, second solenoid valve 105 and alarm 107 be connected with extraneous power supply, in use, staff first closes the first solenoid valve 13 with hand, then use hand Second solenoid valve 105 is opened, staff opens inflator pump 5 with hand again, and the charge air conditioning that inflator pump 5 generates is discharged into fixed link 6 Inner upper end allows slide bar 8 to drive and connects at this point, the charge air conditioning for being discharged into 6 inner upper end of fixed link carries out thrust to slide bar 8 with this Fishplate bar 9 does along the direction of connector sleeve 3 together with insulation board 10 and moves from top to bottom, that is, allows insulation board 10 along the direction of switch 11 Mobile, synchronous, spring 7 is in the state stretched, when 10 pairs of switches 11 of insulation board carry out extruding force, at this point, switch 11 is beaten It opens, by turning on the switch 11, so that inflator pump 5 stops working, meanwhile, when 10 pairs of switches 11 of insulation board carry out extruding force, even Connecting line 2 is in the state being connected to power supply line 4 by fishplate bar 9, and the connecting plate 9 is metal material, at this point, power supply line 4 will The electric energy of extraneous power supply passes to the electronic component in power distribution cabinet 1 by connecting line 2, allows electronic component in power distribution cabinet 1 with this In electric state, that is, allow the electronic component in power distribution cabinet 1 to be in the state of work, the electronic component work in power distribution cabinet 1 When making, electronic component can generate heat, i.e. temperature in power distribution cabinet 1 can be gradually increasing, by the work for opening second solenoid valve 105 With, so that the external world is discharged by heat exhausting pipe 104 in the hot gas in power distribution cabinet 1, meeting after electronic component long-time use in power distribution cabinet 1 There is aging, i.e., outside electronic component when the insulation rubber aging of package, at this point, the insulation rubber uses generation because of electronic component Temperature can generate smog, when smoke sensor device 14 monitors smog, the first solenoid valve 13 is turned on, at this point, in fixed link 6 The external world is discharged by exhaust pipe 12 in the charge air conditioning of portion upper end, by the effect of 7 screen resilience of spring, by slide bar 8 together with connecting plate 9 with And insulation board 10 does along the direction of connector sleeve 3 and moves from bottom to top, allows connecting line 2 and power supply line 4 to be in the shape separated with this State, i.e., extraneous power supply stop the power supply to electronic component in power distribution cabinet 1, i.e., the work of electronic component in stopping power distribution cabinet 1, together When, when smoke sensor device 14 monitors smog, alarm 107 issues alarm, prompts staff's distribution by alarm Smog has been generated in cabinet 1, has carried out corresponding processing convenient for electronic component of the staff to aging in power distribution cabinet 1, effectively The generation of power distribution cabinet phenomenon on fire is prevented, meanwhile, when smoke sensor device 14 monitors smog, second solenoid valve 105 is closed, Purpose is the state in order to allow 1 inside of power distribution cabinet to be isolated with extraneous processing, meanwhile, when smoke sensor device 14 monitors smog, Asepwirator pump 102 is turned on, and the carbon dioxide gas in holding vessel 101 is discharged into power distribution cabinet 1 by asepwirator pump 102 by Y-piece 103, Its purpose is to prevent staff from can not timely handle the power distribution cabinet 1 of generation smog, and then cause power distribution cabinet 1 further Deteriorate as power distribution cabinet it is on fire phenomena such as generation, play a protective role to power distribution cabinet 1, meanwhile, the smoke sensor device 14 with Alarm 107, the first solenoid valve 13, second solenoid valve 105 and 102 signal wire of asepwirator pump are connected, the smoke sensor device 14 model HIS-07,5 model of inflator pump is preferably HT-3703, and 102 model of asepwirator pump is preferably 24V12B80R29,13 model of the first solenoid valve is preferably 2W10, and 105 model of second solenoid valve is preferably SY5120-5LZD-01, the slide bar 8 are isolation material.
The utility model is not limited to above-mentioned specific embodiment, and those skilled in the art visualize from above-mentioned Hair, without creative labor, the various transformation made are all fallen within the protection scope of the utility model.

Claims (9)

1. the electric protection device intelligently powered off, including power distribution cabinet, it is characterised in that further include connecting line, connector sleeve, power supply line, Inflator pump, fixed link, spring, slide bar, connecting plate, insulation board, switch, exhaust pipe, the first solenoid valve, smoke sensor device, it is described Connecting line on the right side of the power distribution cabinet lower end, the connecting line be connected with distribution counter thread, the connector sleeve is through company Wiring, the connector sleeve are connected with connecting line screw thread, and the power supply line is on the right side of connector sleeve, the power supply line and company Female connector screw thread is connected, and the inflator pump is located at connector sleeve top right side, and the inflator pump is connected with external threading is connect, described Fixed link at the top of the connector sleeve middle-end, the fixed link with to connect external threading connected, and the fixed link and inflation Pump line road is connected, and the spring is located at connector sleeve inner upper end, and the spring is connected with connector sleeve adhesive, the cunning Bar is located at spring bottom, and the slide bar is connected with spring adhesive, and the slide bar is connected with fixed link sliding, described Connecting plate is located at slide bar bottom, and the connecting plate is connected with slide bar screw thread, and the insulation board is located at connecting plate bottom, described Insulation board be connected with connecting plate screw thread, the switch is located at side in connector sleeve interior lower end, the switch and connector sleeve Screw thread is connected, and the exhaust pipe is connected through upper end on the left of fixed link, the exhaust pipe with fixed link screw thread, and described the One solenoid valve is located at exhaust tube wall, and first solenoid valve is connected with exhaust pipe screw thread, and the smoke sensor device is located at Power distribution cabinet inner right side upper end, the smoke sensor device are connected with distribution counter thread.
2. the electric protection device intelligently powered off as described in claim 1, it is characterised in that also set on the left of the power distribution cabinet There is holding vessel, the holding vessel is connected with distribution counter thread.
3. the electric protection device intelligently powered off as claimed in claim 2, it is characterised in that also set at the top of the holding vessel There is asepwirator pump, the asepwirator pump is connected with holding vessel screw thread.
4. the electric protection device intelligently powered off as claimed in claim 3, it is characterised in that also set at the top of the asepwirator pump There is Y-piece, described Y-piece one end is connected with asepwirator pump screw thread, and the another both ends of Y-piece left and right at the top of power distribution cabinet Two sides, the another both ends of the Y-piece are connected with distribution counter thread.
5. the electric protection device intelligently powered off as claimed in claim 4, it is characterised in that middle-end at the top of the power distribution cabinet Heat exhausting pipe is also extended through, the heat exhausting pipe is connected with distribution counter thread.
6. the electric protection device intelligently powered off as claimed in claim 5, it is characterised in that the heat extraction pipe outer wall is also set There is second solenoid valve, the second solenoid valve is connected with heat extraction pipe screw thread.
7. the electric protection device intelligently powered off as claimed in claim 6, it is characterised in that the power distribution cabinet front end is also set There is safety door, be rotatedly connected on the left of the safety door with power distribution cabinet, and is connected on the right side of the safety door with power distribution cabinet lock.
8. the electric protection device intelligently powered off as claimed in claim 7, it is characterised in that on the upside of the safety door front end It is additionally provided with alarm, the alarm is connected with safety door screw thread.
9. the electric protection device intelligently powered off as claimed in claim 8, it is characterised in that on the right side of the safety door front end It is additionally provided with handle, the handle is connected with safety door screw thread.
CN201821369442.3U 2018-08-24 2018-08-24 The electric protection device intelligently powered off Expired - Fee Related CN208581056U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821369442.3U CN208581056U (en) 2018-08-24 2018-08-24 The electric protection device intelligently powered off

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821369442.3U CN208581056U (en) 2018-08-24 2018-08-24 The electric protection device intelligently powered off

Publications (1)

Publication Number Publication Date
CN208581056U true CN208581056U (en) 2019-03-05

Family

ID=65512433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821369442.3U Expired - Fee Related CN208581056U (en) 2018-08-24 2018-08-24 The electric protection device intelligently powered off

Country Status (1)

Country Link
CN (1) CN208581056U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110823389A (en) * 2019-11-30 2020-02-21 重庆文理学院 Temperature measuring alarm device for electrical equipment
CN113904237A (en) * 2021-10-30 2022-01-07 李静 Power distribution cabinet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110823389A (en) * 2019-11-30 2020-02-21 重庆文理学院 Temperature measuring alarm device for electrical equipment
CN113904237A (en) * 2021-10-30 2022-01-07 李静 Power distribution cabinet
CN113904237B (en) * 2021-10-30 2023-09-26 国网安徽省电力有限公司黄山供电公司 Power distribution cabinet

Similar Documents

Publication Publication Date Title
CN205680934U (en) A kind of self-extinguishing High-Voltage Electrical Appliances switch board
CN208581056U (en) The electric protection device intelligently powered off
CN207696541U (en) Robot controller and switch board
CN113593154A (en) Alarm system of high-low voltage power equipment
CN205622071U (en) Take safety device's high -voltage board
CN207490328U (en) A kind of low voltage complete set switchgear easy to repair
CN208319749U (en) Control cabinet
CN206727464U (en) A kind of outer power supply source control cabinet of ship
CN110808196A (en) Electrical engineering distribution circuit breaker
CN107196195B (en) A kind of fire prevention power transformation box
CN206699250U (en) A kind of intelligent mouse blocking plate for underground power house equipment room
CN214850079U (en) Insulated totally-enclosed alternating current metal looped network switch equipment
CN205452868U (en) Electrified railway contact net isolator station
CN211245281U (en) Self-extinguishing electric control box
CN107611818A (en) A kind of shockproof high-tension switch cabinet
CN208240563U (en) A kind of high-low pressure vacuum circuit breaker
CN209529948U (en) A kind of High voltage power supply equipment safety device
CN109861107A (en) A kind of and machine control cabinet
CN107069515A (en) A kind of high box-type substation of safety coefficient for power system
CN106505455A (en) Indulge the indoor ac metal closing switch gear of rotation withdraw-type
CN207476030U (en) A kind of Electric Appliance Cabinet with fire-fighting function
CN208805697U (en) Small-sized data center computer room accident air draft machine control system
CN103763876B (en) Multifunctional positive pressure explosion prevention controls splicing cabinet
CN207781508U (en) Air switch fixing device and electric box
CN206004151U (en) A kind of outdoor switching station with automatic fire-extinguishing function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190305

Termination date: 20190824

CF01 Termination of patent right due to non-payment of annual fee