CN108155581A - A kind of high-tension switch cabinet for facilitating heat dissipation for electric power - Google Patents

A kind of high-tension switch cabinet for facilitating heat dissipation for electric power Download PDF

Info

Publication number
CN108155581A
CN108155581A CN201810112562.3A CN201810112562A CN108155581A CN 108155581 A CN108155581 A CN 108155581A CN 201810112562 A CN201810112562 A CN 201810112562A CN 108155581 A CN108155581 A CN 108155581A
Authority
CN
China
Prior art keywords
heat dissipation
plate
cabinet
fixedly installed
vertical plate
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.)
Pending
Application number
CN201810112562.3A
Other languages
Chinese (zh)
Inventor
庞士连
缪俊飞
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.)
Anhui Open Electric Co Ltd
Original Assignee
Anhui Open Electric Co Ltd
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 Anhui Open Electric Co Ltd filed Critical Anhui Open Electric Co Ltd
Priority to CN201810112562.3A priority Critical patent/CN108155581A/en
Publication of CN108155581A publication Critical patent/CN108155581A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a kind of high-tension switch cabinets for facilitating heat dissipation for electric power,Including cabinet,Opening,Vertical plate,Heat emission fan and installing plate,The side of the separate opening of cabinet is fixedly installed vertical plate,There are two installing plate settings and it is respectively and vertically fixed at the side of vertical plate,The first heat dissipation cavity is offered on the inside of vertical plate,The side of cabinet is fixedly installed heat emission fan close to the bottom position of vertical plate,The second heat dissipation cavity is offered on the inside of installing plate,The centre of vertical plate offers the first lateral deck,Vertical plate side is fixedly installed the second vertical deck close to the side of the installing plate of bottom end,By being fixedly installed vertical plate on the inside of switchgear,The installing plate for installing electric elements is fixed on to the side of vertical plate,And heat dissipation cavity is offered in the inside of vertical plate and installing plate,It so that can Homogeneouslly-radiating on the inside of switchgear,So that the radiating efficiency on the inside of switchgear improves,It is efficiently convenient.

Description

A kind of high-tension switch cabinet for facilitating heat dissipation for electric power
Technical field
The present invention relates to high-tension switch cabinet technical fields, specially a kind of high-voltage switch gear for facilitating heat dissipation for electric power Cabinet.
Background technology
High-tension switch cabinet refers to play break-make, control in electric system power generation, transmission of electricity, distribution, electric energy conversion and consumption Or the effects that protection, high-tension switch cabinet is by electric equipment products of the voltage class in 3.6kV~550kV are made, and high voltage isolator is with connecing Ground switch, high voltage load switch, high pressure automatic reclosing and sectionaliser, high-voltage actuating mechanism, high voltage explosion-proof power distribution device and high pressure Several major class such as switchgear.Common substation is by being by high-tension switch gear, low voltage switch equipment, distribution transformer, electric energy Measuring equipment etc. is combined into compact complete power distribution equipment, for urban skyscraper, urban and rural buildings, residential area, high-new skill Art development zone, middle-size and small-size factory, mine oil field have and the places such as temporary construction electricity consumption.Make to receive and distribute electric energy in distribution system It is used, in a power distribution system, available for looped network distribution system, it can also be used to dual power supply or radiation Terminal Power Distribution System.It is city Substation builds and the novel complete set equipment of transformation.
High-tension switch cabinet of the prior art has the following disadvantages in use:
1st, the heat dissipation performance on the inside of high-tension switch cabinet is poor, and the temperature on the inside of switchgear is scattered and disappeared relatively slowly, and influencing it normally makes With.
2nd, region higher to temperature on the inside of switchgear cannot be adjusted, and influence the stability of its internal work environment.
Invention content
The purpose of the present invention is to provide a kind of high-tension switch cabinet for facilitating heat dissipation for electric power, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical solution:A kind of height for facilitating heat dissipation for electric power presses off Cabinet is closed, including cabinet, opening, vertical plate, heat emission fan and installing plate, the side of the cabinet offers opening, the cabinet Side far from opening is fixedly installed vertical plate, and there are two the installing plate settings and it is respectively and vertically fixed at vertical plate Side offers the first heat dissipation cavity on the inside of the vertical plate, and the side of the cabinet is fixed close to the bottom position of vertical plate Heat emission fan is provided with, is connected between the air outlet of the heat emission fan and the first heat dissipation cavity on the inside of vertical plate, the installing plate Inside offers the second heat dissipation cavity, fixed between second heat dissipation cavity and the first heat dissipation cavity to connect, the centre of the vertical plate The first lateral deck is offered, the vertical plate side is fixedly installed vertical second close to the side of the installing plate of bottom end Deck, first deck include fixed block, snap-gauge, screw plate and trip bolt, and the fixed block is fixedly connected on vertical plate Centre, the laterally intermediate of the fixed block offer sliding slot, and the vertical side of the fixed block offers intercommunicating pore, the sliding slot Inside slidably connect snap-gauge, the outboard end of the fixed block is fixedly installed screw plate, the spiral shell close to the position of snap-gauge The inside thread of orifice plate is connected with trip bolt, and the top of the snap-gauge uniformly offers multiple tapped blind holes, the fastening The bottom end of screw is against the inside of tapped blind hole, and second deck is identical with the structure setting of the first deck.
Preferably, the top of the cabinet is fixedly installed air permeable plate, air permeable plate and the external world of the cabinet by top Connection, the top of the cabinet is fixedly installed cover board.
Preferably, the area coverage of the cover board is not less than the cross-sectional sizes on cabinet top.
Preferably, the cabinet side side vertical with vertical plate is fixedly installed heat dissipation cavity, the heat dissipation cavity it is interior Side is fixedly installed heat-dissipating pipe, and the bottom end of the heat dissipation cavity is fixedly installed silicone oil slot, the heat-dissipating pipe and silicone oil slot mutually it Between connect.
Preferably, the bottom end of the heat dissipation cavity is fixedly installed oil pump, connects on the inside of the oil inlet of the oil pump and silicone oil slot It is logical, it is fixed between the oil outlet and heat-dissipating pipe of the oil pump to connect.
Preferably, the inside of the silicone oil slot is filled with heat transmission silicone oil.
Preferably, the top of the snap-gauge is uniformly opened up there are four tapped blind hole.
Preferably, the top of the trip bolt is fixedly installed turntable.
Preferably, the air inlet of the heat emission fan is in communication with the outside.
Preferably, the top of the installing plate uniformly opens up multiple intercommunicating pores.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, by being fixedly installed vertical plate on the inside of switchgear, the installing plate for installing electric elements is fixed on perpendicular Heat dissipation cavity has been offered to the side of plate, and in the inside of vertical plate and installing plate so that energy Homogeneouslly-radiating on the inside of switchgear, So that radiating efficiency on the inside of switchgear improves, convenient for the electric component proper heat reduction process on the inside of switchgear, efficiently just It is prompt.
2nd, by offering the first deck in the centre of vertical plate, the second deck is offered in the side of installing plate, so as to Heat dissipation region on the inside of vertical plate and installing plate is completed in switchgear under the corrective action of snap-gauge on the inside of two decks The local radiation processes of side, the heat dissipation region being conveniently adjusted on the inside of switchgear reduce the energy consumption of heat emission fan in radiation processes, pass through Ji is practical.
Description of the drawings
Fig. 1 is overall structure side view of the present invention;
Fig. 2 is the first deck inside structure sectional view of the invention;
Fig. 3 is heat dissipation cavity internal structure schematic diagram of the present invention.
In figure:Cabinet 1, opening 2, vertical plate 3, heat emission fan 4, the first heat dissipation cavity 5, installing plate 6, the second heat dissipation cavity 7, first Deck 8, the second deck 9, fixed block 10, sliding slot 11, intercommunicating pore 12, snap-gauge 13, screw plate 14, trip bolt 15, tapped blind hole 16th, turntable 18, heat dissipation cavity 19, silicone oil slot 20, heat-dissipating pipe 21, oil pump 22, cover board 23, air permeable plate 24.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of high-voltage switch gear for facilitating heat dissipation for electric power Cabinet offers opening 2, the cabinet including cabinet 1, opening 2, vertical plate 3, heat emission fan 4 and installing plate 6, the side of the cabinet 1 The side of the separate opening 2 of body 1 is fixedly installed vertical plate 3, and there are two the settings of installing plate 6 and it is respectively and vertically fixed at The side of vertical plate 3, the inside of the vertical plate 3 offer the first heat dissipation cavity 5, and the side of the cabinet 1 is close to vertical plate 3 Bottom position is fixedly installed heat emission fan 4, connects between the first heat dissipation cavity 5 of 3 inside of air outlet and vertical plate of the heat emission fan 4 Logical, the inside of the installing plate 6 offers the second heat dissipation cavity 7, fixed between 7 and first heat dissipation cavity 5 of the second heat dissipation cavity to connect Logical, the centre of the vertical plate 3 offers the first lateral deck 8, and 3 side of vertical plate is close to the installing plate 6 of bottom end Side is fixedly installed the second vertical deck 9, and first deck 8 includes fixed block 10, snap-gauge 13, screw plate 14 and fastening Screw 15, the fixed block 10 are fixedly connected on the centre of vertical plate 3, and the laterally intermediate of the fixed block 10 offers sliding slot 11, the vertical side of the fixed block 10 offers intercommunicating pore 12, and the inside of the sliding slot 11 slidably connects snap-gauge 13, described solid The outboard end for determining block 10 is fixedly installed screw plate 14 close to the position of snap-gauge 13, and the inside thread of the screw plate 14 is connected with Trip bolt 15, the top of the snap-gauge 13 uniformly offer multiple tapped blind holes 16, and the bottom end of the trip bolt 15 is supported In the inside of tapped blind hole 16, second deck 9 is identical with the structure setting of the first deck 8.
In order to improve whole heat dissipation performance, the top of the cabinet 1 is fixedly installed air permeable plate 24, and the cabinet 1 is logical The air permeable plate 24 for crossing top is in communication with the outside, and the top of the cabinet 1 is fixedly installed cover board 23, the covering surface of the cover board 23 Product is not less than the cross-sectional sizes on 1 top of cabinet.
In order to increase auxiliary heat dissipation process, conducive to normal use, the cabinet 1 side side vertical with vertical plate 3 is consolidated Surely heat dissipation cavity 19 is provided with, the inside of the heat dissipation cavity 19 is fixedly installed heat-dissipating pipe 21, and the bottom end of the heat dissipation cavity 19 is fixed Silicone oil slot 20 is provided with, the heat-dissipating pipe 21 connects between each other with silicone oil slot 20, the bottom end fixed setting of the heat dissipation cavity 19 Have an oil pump 22, the oil inlet of the oil pump 22 and 20 inside of silicone oil slot connects, the oil outlet and heat-dissipating pipe 21 of the oil pump 22 it Between fixed connection, the inside of the silicone oil slot 20 is filled with heat transmission silicone oil.
It is used for the ease of connection, the top of the snap-gauge 13 uniformly opens up that there are four tapped blind hole 16, the fastenings The top of screw 15 is fixedly installed turntable 18, and the air inlet of the heat emission fan 4 is in communication with the outside, the top of the installing plate 6 Uniformly open up multiple intercommunicating pores.
Operation principle:In use, the electric elements used on the inside of switchgear are mounted on above installing plate 6, used When heat dissipation is needed in journey, heat emission fan 4 is started so that the first heat dissipation cavity 5 of wind from 3 inside of vertical plate is entered installation by heat emission fan 4 The heat dissipation on the inside of switchgear is completed in the inside of second heat dissipation cavity 7 of plate 6;
When needing to adjust heat dissipation region, adjust the first deck 8 and the snap-gauge 13 of the inside of the second deck 9 so that snap-gauge 13 from The inside of fixed block 10 skids off so that 12 both sides of intercommunicating pore connect, and complete the opening and closing process of the first heat dissipation cavity 5, then complete to open The local radiation processes on the inside of cabinet are closed, it is simple and convenient, convenient for promoting the use of.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power, including cabinet (1), opening (2), vertical plate (3), heat emission fan (4) and installing plate (6), the side of the cabinet (1) offer opening (2), it is characterised in that:Cabinet (1) is kept away from The side of mouth (2) is fixedly installed vertical plate (3), and there are two installing plate (6) settings and it is respectively and vertically fixed at vertically The side of plate (3) offers the first heat dissipation cavity (5) on the inside of the vertical plate (3), and the side of the cabinet (1) is close to vertical The bottom position of plate (3) is fixedly installed heat emission fan (4), air outlet and first on the inside of vertical plate (3) of the heat emission fan (4) Heat dissipation cavity connects between (5), offers the second heat dissipation cavity (7) on the inside of the installing plate (6), second heat dissipation cavity (7) with Fixed connection between first heat dissipation cavity (5), the centre of the vertical plate (3) offers lateral the first deck (8), described vertical Plate (3) side is fixedly installed vertical the second deck (9), first deck (8) close to the side of the installing plate (6) of bottom end Including fixed block (10), snap-gauge (13), screw plate (14) and trip bolt (15), the fixed block (10) is fixedly connected on vertically The centre of plate (3), the laterally intermediate of the fixed block (10) offer sliding slot (11), and the vertical side of the fixed block (10) opens up There is intercommunicating pore (12), snap-gauge (13) is slidably connected on the inside of the sliding slot (11), the outboard end of the fixed block (10) is close The position of snap-gauge (13) is fixedly installed screw plate (14), and the inside thread of the screw plate (14) is connected with trip bolt (15), the top of the snap-gauge (13) uniformly offers multiple tapped blind holes (16), and the bottom end of the trip bolt (15) is supported In the inside of tapped blind hole (16), second deck (9) is identical with the structure setting of the first deck (8).
2. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 1, it is characterised in that:The cabinet The top of body (1) is fixedly installed air permeable plate (24), and the cabinet (1) is in communication with the outside by the air permeable plate (24) on top, institute The top for stating cabinet (1) is fixedly installed cover board (23).
3. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 2, it is characterised in that:The lid The area coverage of plate (23) is not less than the cross-sectional sizes on cabinet (1) top.
4. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 1, it is characterised in that:The cabinet Body (1) the side side vertical with vertical plate (3) is fixedly installed heat dissipation cavity (19), and the inside of the heat dissipation cavity (19), which is fixed, to be set Heat-dissipating pipe (21) is equipped with, the bottom end of the heat dissipation cavity (19) is fixedly installed silicone oil slot (20), the heat-dissipating pipe (21) and silicone oil Slot (20) connects between each other.
5. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 4, it is characterised in that:It is described to dissipate The bottom end of hot chamber (19) is fixedly installed oil pump (22), is connected on the inside of the oil inlet of the oil pump (22) and silicone oil slot (20), institute Fixation between the oil outlet of oil pump (22) and heat-dissipating pipe (21) is stated to connect.
6. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 4, it is characterised in that:The silicon The inside of oil groove (20) is filled with heat transmission silicone oil.
7. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 1, it is characterised in that:The card The top of plate (13) is uniformly opened up there are four tapped blind hole (16).
8. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 1, it is characterised in that:It is described tight Gu the top of screw (15) is fixedly installed turntable (18).
9. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 1, it is characterised in that:It is described to dissipate The air inlet of heat fan (4) is in communication with the outside.
10. a kind of high-tension switch cabinet for facilitating heat dissipation for electric power according to claim 1, it is characterised in that:It is described The top of installing plate (6) uniformly opens up multiple intercommunicating pores.
CN201810112562.3A 2018-02-05 2018-02-05 A kind of high-tension switch cabinet for facilitating heat dissipation for electric power Pending CN108155581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810112562.3A CN108155581A (en) 2018-02-05 2018-02-05 A kind of high-tension switch cabinet for facilitating heat dissipation for electric power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810112562.3A CN108155581A (en) 2018-02-05 2018-02-05 A kind of high-tension switch cabinet for facilitating heat dissipation for electric power

Publications (1)

Publication Number Publication Date
CN108155581A true CN108155581A (en) 2018-06-12

Family

ID=62459604

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810112562.3A Pending CN108155581A (en) 2018-02-05 2018-02-05 A kind of high-tension switch cabinet for facilitating heat dissipation for electric power

Country Status (1)

Country Link
CN (1) CN108155581A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29813790U1 (en) * 1998-02-07 1998-09-24 Rittal-Werk Rudolf Loh GmbH & Co. KG, 35745 Herborn switch cabinet
US20070000649A1 (en) * 2005-07-04 2007-01-04 Tul Corporation Auxiliary heat-dissipating device
DE102005040998A1 (en) * 2005-08-29 2007-07-19 Bosch Rexroth Aktiengesellschaft Switch cabinet for manufacturing cell, has door unit formed as front part of extended part, which extends over guide rail arrangement opposite to cabinet body, so that mounting plate comes out partially from inner area of body
CN205724556U (en) * 2016-06-14 2016-11-23 云南江变电力电器成套设备有限公司 A kind of novel environment friendly thermostatic low-voltage switch cubicle
CN206364411U (en) * 2017-01-07 2017-07-28 刘文远 A kind of power switch cabinet of dust-proof radiating
CN107171194A (en) * 2017-06-16 2017-09-15 国网江苏省电力公司盐城供电公司 Strongly heat-dissipated high-tension switch cabinet
CN107394614A (en) * 2017-09-12 2017-11-24 牛翠芹 A kind of power distribution cabinet with high-efficient radiating function for power system
CN206947765U (en) * 2017-07-05 2018-01-30 江苏世锦电力技术有限公司 A kind of high efficiency and heat radiation high-tension switch cabinet
CN207967720U (en) * 2018-02-05 2018-10-12 安徽开美电气有限公司 A kind of high-tension switch cabinet for facilitating heat dissipation for electric power

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29813790U1 (en) * 1998-02-07 1998-09-24 Rittal-Werk Rudolf Loh GmbH & Co. KG, 35745 Herborn switch cabinet
US20070000649A1 (en) * 2005-07-04 2007-01-04 Tul Corporation Auxiliary heat-dissipating device
DE102005040998A1 (en) * 2005-08-29 2007-07-19 Bosch Rexroth Aktiengesellschaft Switch cabinet for manufacturing cell, has door unit formed as front part of extended part, which extends over guide rail arrangement opposite to cabinet body, so that mounting plate comes out partially from inner area of body
CN205724556U (en) * 2016-06-14 2016-11-23 云南江变电力电器成套设备有限公司 A kind of novel environment friendly thermostatic low-voltage switch cubicle
CN206364411U (en) * 2017-01-07 2017-07-28 刘文远 A kind of power switch cabinet of dust-proof radiating
CN107171194A (en) * 2017-06-16 2017-09-15 国网江苏省电力公司盐城供电公司 Strongly heat-dissipated high-tension switch cabinet
CN206947765U (en) * 2017-07-05 2018-01-30 江苏世锦电力技术有限公司 A kind of high efficiency and heat radiation high-tension switch cabinet
CN107394614A (en) * 2017-09-12 2017-11-24 牛翠芹 A kind of power distribution cabinet with high-efficient radiating function for power system
CN207967720U (en) * 2018-02-05 2018-10-12 安徽开美电气有限公司 A kind of high-tension switch cabinet for facilitating heat dissipation for electric power

Similar Documents

Publication Publication Date Title
CN206947765U (en) A kind of high efficiency and heat radiation high-tension switch cabinet
CN209217550U (en) Three-dimensional building block box type substation
CN209881133U (en) A cooling type high and low voltage power distribution cabinet
CN107171197A (en) A kind of easy-to-dismount high voltage power distribution switch control cabinet rain-proof shelter
CN207967720U (en) A kind of high-tension switch cabinet for facilitating heat dissipation for electric power
CN204231176U (en) A kind of integral structure compact high-voltage variable frequency device
CN205377125U (en) Integrated power distribution cabinet for distribution transformer
CN108155581A (en) A kind of high-tension switch cabinet for facilitating heat dissipation for electric power
CN201601496U (en) Low voltage reactive power compensation device
CN208923686U (en) A kind of intelligent Prefabricated Cubical Substation with operational system
CN205429554U (en) Small -size low pressure distributing type photovoltaic power plant inserts public power grid's complete set combination equipment
CN110582186B (en) Liquid cooling type photovoltaic high-voltage direct-current series grid-connected system
CN201215872Y (en) Prefabricated substation
CN210053069U (en) Box type high-voltage power distribution cabinet
CN213367203U (en) Box-type substation that heat dispersion is good
CN202405670U (en) Outdoor transformer substation
CN204885955U (en) A 35kV integrated transformer whole indoor two-story substation
CN207082761U (en) A kind of radiating drying device for outdoor ring main unit
CN207967751U (en) A kind of drawing type high voltage switch cabinet
CN207490387U (en) It is a kind of can automatic heat radiation novel high-pressure power distribution cabinet
CN221042142U (en) Small-size integrated ring main unit
CN205911642U (en) High -voltage power distribution cabinet
CN218300602U (en) High-voltage transformer substation with cooling and dehumidifying functions
CN219287012U (en) High-low voltage switch cabinet with protection device
CN204835327U (en) Integrated transformer substation of half open -type of 110kV

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180612