CN105846334A - Drawable small-sized switch cabinet - Google Patents
Drawable small-sized switch cabinet Download PDFInfo
- Publication number
- CN105846334A CN105846334A CN201610187332.4A CN201610187332A CN105846334A CN 105846334 A CN105846334 A CN 105846334A CN 201610187332 A CN201610187332 A CN 201610187332A CN 105846334 A CN105846334 A CN 105846334A
- Authority
- CN
- China
- Prior art keywords
- disconnecting switch
- switch
- handcart
- switching device
- circuit breaker
- 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
Links
- 230000007246 mechanism Effects 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a withdrawable small-sized switch cabinet, and relates to a switch cabinet. The circuit breaker and transformer combined handcart comprises a shell, an upper isolating switch, a circuit breaker and transformer combined handcart, a guide rail, a lower switching device and a wall bushing. The upper isolating switch and the wall bushing are arranged in the bus chamber; the upper isolating switch is fixed on the shell, the lower part of a contact knife of the upper isolating switch is connected with the vacuum circuit breaker, and the upper part of the contact knife is connected with the upper end busbar; the primary circuit bus bar penetrates through the wall bushing and is connected with a bus bar at the upper end of the upper isolating switch; the circuit breaker and mutual inductor combined handcart is positioned in the middle of the switch cabinet and is arranged on the guide rail by means of bottom wheels; the lower switch device is fixed on a side plate of the shell, the upper part of a contact knife of the lower switch device is connected with the lower end of the current transformer, and the lower part of the contact knife is connected with the outlet row; the outlet line bar can be connected to other equipment through a busbar or a cable, and the lower switching device can be a grounding switch or an isolating switch; the guide rail is provided with two, fixes respectively in the casing left and right sides.
Description
Technical field
The present invention relates to a kind of switch cubicle, be specifically related to a kind of withdrawable switchette cabinet.
Background technology
Along with the development of power industry, the high-tension switch cabinet as acceptance and distribution electric energy develops towards intellectuality, miniaturization, non-maintaining direction.Existing switch cubicle exists bulky, structure is complicated, problems such as safeguarding inconvenience is installed, existing withdrawable switch cubicle typically uses middle to install such as: existing KYN28 intermediate switchgear cabinet, and its primary cut-out three-phase major loop lateral arrangement used is operated by chopper bottom chassis car, chopper can be pushed ahead, when arriving operating position, major loop passes through dynamic/static contact grafting, it is achieved conducting；Its shortcoming is that primary cut-out three-phase major loop lateral arrangement causes cabinet width relatively big, and handcart seesaws and needs certain stroke, thus causes cabinet deep the deepest, and therefore floor space is the biggest；And it is connected the problems such as unreliable, fragile, loop resistance is big, temperature rise is high with the one-time contact existence of chopper docking, have a strong impact on the reliability of distribution system, safety and the requirement of controller switching equipment miniaturization.As: patent announcement number: the miniaturization structure of a kind of KYN28 central switch cabinet disclosed in 203536842U and 203536842U, though problem above is optimized, but still problem can not be solved.And for example: patent announcement number: a kind of miniaturization fixed switching cabinet disclosed in 102916352A, though structurally having carried out new arrangement and adjustment, but the insulating element of its disconnecting switch, spark gap are arranged on cabinet side, take larger space, and its vacuum circuit breaker used, operating mechanism volume is relatively big, interlocks imperfect, still fail effectively to control cabinet width, it is impossible to reach the requirement of miniaturization.And for example: though a kind of 450mm width miniaturization switch cubicle disclosed in patent announcement 103996989A is in structure, spatially carry out miniaturization improvement, but its install, use, safeguard the most constant, space in cabinet such as its critical piece such as chopper, transformer etc. is the narrowest and small, the class of insulation is low, and has a strong impact on and install and use requirement！Especially when system needs to change chopper, transformer, it is extremely difficult that it changes operation, application extremely inconvenience.
Summary of the invention
For not enough present on prior art, the present invention seeks to be to provide a kind of withdrawable switchette cabinet, use chopper transformer combination handcart mounting means, can be independently installed as an extraction unit using chopper, transformer, five anti-interlocking operation mechanisms, simple in construction takes up room little, greatly improve switch cubicle and install and use performance, safeguard or change chopper, transformer convenient！Floor space is greatly reduced again simultaneously, cost-effective, it is achieved the requirement of controller switching equipment miniaturization.To achieve these goals, the present invention is to realize by the following technical solutions:
1. a withdrawable switchette cabinet, including housing, upper disconnecting switch, chopper transformer combination handcart, guide rail, lower switching device, wall bushing.Upper disconnecting switch, wall bushing are arranged on bus-bar room；Upper disconnecting switch is fixed on housing, and the contact cutter bottom of upper disconnecting switch is connected with vacuum circuit breaker, and contact cutter top is connected with upper end busbar；Primary circuit busbar is connected through wall bushing with upper disconnecting switch upper end busbar；Chopper transformer combination handcart is positioned at the middle part of switch cubicle, and bottom its dependence, wheel is arranged on guide rail, and is fixed on housing by fixing pluge；Lower switching device is fixed on the side plate of housing, and its contact cutter top is connected with current transformer lower end, and bottom is connected with outlet row；Outlet row can be connected to other equipment by busbar or cable, and lower switching device can be earthed switch, it is also possible to be disconnecting switch；Guide rail is provided with two, is separately fixed at the housing left and right sides, and chopper transformer combination handcart is limited in the guideway space of both sides by guide rail, makes chopper transformer combination handcart can only slide on trapped orbit；Guide rail is provided with hole, location, and chopper transformer combination handcart is limited in the hole, location of guide rail by handcart plug-in unit in advancing cabinet.
2., as preferably, described upper disconnecting switch, wall bushing are arranged on bus-bar room；The contact cutter bottom of upper disconnecting switch is connected with vacuum circuit breaker, contact cutter top is connected with upper end busbar, primary circuit busbar is connected through wall bushing with upper disconnecting switch upper end busbar, when also cabinet is installed, between two switch cubicles, primary circuit is connected by busbar, and wall bushing ensure that the insulation between primary circuit and housing.
3. as preferably, described chopper transformer combination handcart includes vacuum circuit breaker, five anti-interlocking operation mechanisms, current transformer, chassis, fixing pluge, vacuum circuit breaker is fixed on chassis top, and current transformer runs through chassis, and current transformer upper end is connected with vacuum circuit breaker lower port by copper bar, lower end is connected with the contact cutter of lower switching device, fixing pluge is provided with two, is symmetrically installed on a chassis, and fixing pluge is connected with handle, chassis is stretched out at two ends, and left and right pulls handle can be regained by fixing pluge or release.
4. as preferably, five described anti-interlocking operation mechanisms may be installed in chassis, also may be installed on side plate, the upper end operation connecting lever of five anti-interlocking operation mechanisms is connected with the drive disk assembly of upper disconnecting switch by connecting rod, the lower end operation connecting lever of five anti-interlocking operation mechanisms is connected with the drive disk assembly of lower switching device by connecting rod, five anti-interlocking operation mechanisms, pass through procedure operation, disconnecting switch can be realized close a floodgate, separating brake, lower switching device closes a floodgate, separating brake, five operation sequences of anti-interlocking operation mechanism own set and can realize disconnecting switch and lower switching device simultaneously, vacuum circuit breaker and upper disconnecting switch, the interlocking function of lower switching device.
Beneficial effects of the present invention: use chopper transformer combination handcart mounting means, can be independently installed as an extraction unit using chopper, transformer, five anti-interlocking operation mechanisms, simple in construction takes up room little, greatly improve switch cubicle and install and use performance, safeguard or change chopper, transformer convenient！More traditional withdrawable switch cubicle, its primary circuit parts are joined directly together, and substantially reduce primary circuit length, reduce major loop resistance, floor space are greatly reduced again simultaneously, cost-effective, it is achieved the requirement of controller switching equipment miniaturization.Inheriting tradition fixed switching cabinet of the present invention and the superior function of withdrawable switch cubicle, it is to avoid the shortcoming of traditional switch cabinet.
Accompanying drawing explanation
The present invention is described below in conjunction with the accompanying drawings in detail with detailed description of the invention:
Fig. 1 is the right view of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the left view of the present invention；
Fig. 4 is the schematic perspective view of the present invention；
Fig. 5 is that the present invention has a power failure position view；
Fig. 6 is the withdrawn position schematic diagram of the present invention；
Fig. 7 is the withdrawn position schematic perspective view of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with detailed description of the invention, the present invention is expanded on further.
With reference to Fig. 1-6, this detailed description of the invention is by the following technical solutions: 1. a withdrawable switchette cabinet, including housing (1), above-mentioned upper disconnecting switch (2), above-mentioned chopper transformer combination handcart (3), guide rail (4), lower switching device (5), wall bushing (6), upper disconnecting switch (2), wall bushing (6) are arranged on bus-bar room；Upper disconnecting switch (2) is fixed on housing (1), and contact cutter (2-1) bottom of upper disconnecting switch (2) is connected with vacuum circuit breaker (3-1), and contact cutter (2-1) top is connected with upper end busbar (2-2)；Primary circuit busbar is connected through wall bushing (6) with upper disconnecting switch (2) upper end busbar (2-2)；Above-mentioned chopper transformer combination handcart (3) is positioned at the middle part of switch cubicle, and bottom its dependence, wheel is arranged on guide rail (4), and is fixed on housing (1) by fixing pluge (3-5).Above-mentioned lower switching device (5) is fixed on the side plate of housing (1), its contact cutter (5-1) top is connected with current transformer (3-3) lower end, bottom is connected with outlet row (5-2), outlet row (5-2) can be connected to other equipment by busbar or cable, lower switching device (5) can be earthed switch, it can also be disconnecting switch, guide rail (4) is provided with two, it is separately fixed at housing (1) left and right sides, chopper transformer combination handcart (3) is limited in the guideway space of both sides by guide rail (4), make chopper transformer combination handcart (3) can only slide on trapped orbit, guide rail (4) is provided with hole, location, chopper transformer combination handcart (3) is limited in the hole, location of guide rail (4) by handcart plug-in unit in advancing cabinet.
2. upper disconnecting switch (2), wall bushing (6) described in are arranged on bus-bar room；Contact cutter (2-1) bottom of upper disconnecting switch (2) is connected with vacuum circuit breaker (3-1), contact cutter (2-1) top is connected with upper end busbar (2-2), primary circuit busbar is connected through wall bushing (6) with upper disconnecting switch (2) upper end busbar (2-2), when also cabinet is installed, between two switch cubicles, primary circuit is connected by busbar, and wall bushing (6) ensure that the insulation between primary circuit and housing.
null3. chopper transformer combination handcart (3) described in includes vacuum circuit breaker (3-1)，Five anti-interlocking operation mechanisms (3-2)，Current transformer (3-3)，Chassis (3-4)，Fixing pluge (3-5)，Vacuum circuit breaker (3-1) is fixed on chassis (3-4) top，Current transformer (3-3) runs through chassis (3-4)，Current transformer (3-3) upper end is connected with vacuum circuit breaker (3-1) lower port by copper bar，Lower end is connected with the contact cutter (5-1) of lower switching device (5)，Fixing pluge (3-5) is provided with two，It is symmetrically mounted in chassis (3-4)，Fixing pluge (3-5) is connected with handle (3-6)，Chassis (3-4) is stretched out at two ends，Left and right pulls handle fixing pluge (3-5) can be regained or be released.
null4. five anti-interlocking operation mechanisms (3-2) described in may be installed in chassis (3-4)，Also may be installed on side plate (1)，The upper end operation connecting lever of five anti-interlocking operation mechanisms (3-2) is connected with the drive disk assembly of upper disconnecting switch (2) by connecting rod，The lower end operation connecting lever of five anti-interlocking operation mechanisms (3-2) is connected with the drive disk assembly of lower switching device (5) by connecting rod，Five anti-interlocking operation mechanisms (3-2)，Pass through procedure operation，Disconnecting switch (2) can be realized close a floodgate、Separating brake，Lower switching device (5) is closed a floodgate、Separating brake，Five anti-interlocking operation mechanism (3-2) operation sequences own set and can realize disconnecting switch (2) and lower switching device (5) simultaneously、Vacuum circuit breaker (3-1) and upper disconnecting switch (2)、The interlocking function of lower switching device (5).
The operation principle of this detailed description of the invention:
1. normal power supply state: electric current, through being connected to upper disconnecting switch (2) through horizontal bus, sequentially passes through vacuum circuit breaker (3-1), current transformer (3-3), lower switching device (5) to electrical equipment.
2. power transmission operation: close cabinet behind the door, open the handle hole of five anti-interlocking operation mechanisms (3-2), with Special operating handle rotating operation mechanism, disconnecting switch (2) is made to close a floodgate, lower switching device (5) is closed a floodgate, and at this moment goes up disconnecting switch (2) and is connected with bus by chopper, and current transformer (3-3) is connected by lower switching device (5) with lower end equipment, being closed a floodgate by vacuum circuit breaker (3-1), primary circuit turns on.
3. power failure operation: vacuum circuit breaker (3-1) cuts off primary circuit electric current after obtaining separating brake order, open the handle hole of five anti-interlocking operation mechanisms (3-2), with Special operating handle operation successively operation by lower upper disconnecting switch (2) separating brake, switching device (5) separating brake, the top and the bottom of the contact cutter (2-1) at this moment going up disconnecting switch (2) separate with upper end busbar (2-2), vacuum circuit breaker (3-1) respectively, and chopper is isolated by disconnecting switch (2) with bus；After switching device (5) separating brake, its contact cutter (5-1) is connected with grounding contact to other direction with rotating, and electrical equipment ground connection, primary circuit are in ground state by switching device (5), can open cabinet door, and power failure operation is complete.
4. extract maintenance out: after switch cubicle power failure operation, the connecting pin of five anti-interlocking operation mechanisms (3-2) with upper disconnecting switch (2), lower switching device (5) is removed, chopper transformer combination handcart is made to depart from miscellaneous part, fixing pluge (3-5) is pulled out from guide rail (4), just can extract chopper transformer combination handcart out maintenance in switch cubicle.
This detailed description of the invention is by using chopper transformer combination handcart mounting means, out the unit can be extracted such as vacuum circuit breaker (3-1), five anti-interlocking operation mechanisms (3-2), current transformer (3-3) independently installed as one, simple in construction takes up room little, greatly improve switch cubicle and install and use performance, safeguard or change chopper, transformer convenient！More traditional withdrawable switch cubicle, its primary circuit is briefly reliable, substantially reduces primary circuit length, reduces major loop resistance, floor space is greatly reduced again simultaneously, cost-effective, it is achieved the requirement of controller switching equipment miniaturization.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. a withdrawable switchette cabinet, it is characterised in that include housing (1), above-mentioned upper disconnecting switch (2), above-mentioned chopper transformer combination handcart (3), guide rail (4), lower switching device (5), wall bushing (6)；Upper disconnecting switch (2), wall bushing (6) are arranged on bus-bar room；Upper disconnecting switch (2) is fixed on housing (1), and contact cutter (2-1) bottom of upper disconnecting switch (2) is connected with vacuum circuit breaker (3-1), and contact cutter (2-1) top is connected with upper end busbar (2-2)；Primary circuit busbar is connected through wall bushing (6) with upper disconnecting switch (2) upper end busbar (2-2)；nullAbove-mentioned chopper transformer combination handcart (3) is positioned at the middle part of switch cubicle，Bottom its dependence, wheel is arranged on guide rail (4)，And be fixed on housing (1) by fixing pluge (3-5)，Above-mentioned lower switching device (5) is fixed on the side plate of housing (1)，Its contact cutter (5-1) top is connected with current transformer (3-3) lower end，Bottom is connected with outlet row (5-2)，Outlet row (5-2) can be connected to other equipment by busbar or cable，Lower switching device (5) can be earthed switch，It can also be disconnecting switch，Guide rail (4) is provided with two，It is separately fixed at housing (1) left and right sides，Chopper transformer combination handcart (3) is limited in the guideway space of both sides by guide rail (4)，Make chopper transformer combination handcart (3) can only slide on trapped orbit，Guide rail (4) is provided with hole, location，Chopper transformer combination handcart (3) is limited in the hole, location of guide rail (4) by handcart plug-in unit in advancing cabinet.
One the most according to claim 1 withdrawable switchette cabinet, it is characterised in that described upper disconnecting switch (2), wall bushing (6) are arranged on bus-bar room；Contact cutter (2-1) bottom of upper disconnecting switch (2) is connected with vacuum circuit breaker (3-1), contact cutter (2-1) top is connected with upper end busbar (2-2), primary circuit busbar is connected through wall bushing (6) with upper disconnecting switch (2) upper end busbar (2-2), when also cabinet is installed, between two switch cubicles, primary circuit is connected by busbar, and wall bushing (6) ensure that the insulation between primary circuit and housing.
nullOne the most according to claim 1 withdrawable switchette cabinet，It is characterized in that，Described chopper transformer combination handcart (3) includes vacuum circuit breaker (3-1)，Five anti-interlocking operation mechanisms (3-2)，Current transformer (3-3)，Chassis (3-4)，Fixing pluge (3-5)，Vacuum circuit breaker (3-1) is fixed on chassis (3-4) top，Current transformer (3-3) runs through chassis (3-4)，Current transformer (3-3) upper end is connected with vacuum circuit breaker (3-1) lower port by copper bar，Lower end is connected with the contact cutter (5-1) of lower switching device (5)，Fixing pluge (3-5) is provided with two，It is symmetrically mounted in chassis (3-4)，Fixing pluge (3-5) is connected with handle (3-6)，Chassis (3-4) is stretched out at two ends，Left and right pulls handle fixing pluge (3-5) can be regained or be released.
nullOne the most according to claim 1 withdrawable switchette cabinet，It is characterized in that，Five described anti-interlocking operation mechanisms (3-2) may be installed in chassis (3-4)，Also may be installed on side plate (1)，The upper end operation connecting lever of five anti-interlocking operation mechanisms (3-2) is connected with the drive disk assembly of upper disconnecting switch (2) by connecting rod，The lower end operation connecting lever of five anti-interlocking operation mechanisms (3-2) is connected with the drive disk assembly of lower switching device (5) by connecting rod，Five anti-interlocking operation mechanisms (3-2)，Pass through procedure operation，Disconnecting switch (2) can be realized close a floodgate、Separating brake，Lower switching device (5) is closed a floodgate、Separating brake，Five anti-interlocking operation mechanism (3-2) operation sequences own set and can realize disconnecting switch (2) and lower switching device (5) simultaneously、Vacuum circuit breaker (3-1) and upper disconnecting switch (2)、The interlocking function of lower switching device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187332.4A CN105846334A (en) | 2016-03-29 | 2016-03-29 | Drawable small-sized switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187332.4A CN105846334A (en) | 2016-03-29 | 2016-03-29 | Drawable small-sized switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105846334A true CN105846334A (en) | 2016-08-10 |
Family
ID=56584154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187332.4A Pending CN105846334A (en) | 2016-03-29 | 2016-03-29 | Drawable small-sized switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105846334A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329377A (en) * | 2016-10-31 | 2017-01-11 | 江苏天港箱柜有限公司 | Compact switch cabinet |
| CN106786096A (en) * | 2016-12-27 | 2017-05-31 | 山东爱普电气设备有限公司 | A kind of Mobile CT fixing device of switch cubicle |
| CN107134736A (en) * | 2017-06-03 | 2017-09-05 | 河南科德天博电气有限公司 | A kind of low-voltage outlet device |
| CN107453267A (en) * | 2017-07-04 | 2017-12-08 | 上海正昊电力科技有限公司 | Drawer-type switch cabinet |
| CN109884431A (en) * | 2019-03-08 | 2019-06-14 | 北京博电新力电气股份有限公司 | A kind of electric car DC charging facility detection device of building block system |
| CN111430175A (en) * | 2020-04-02 | 2020-07-17 | 宝鸡同步电器有限公司 | Low-voltage large-current phase selection switch with symmetrical structure |
| CN114389190A (en) * | 2021-11-30 | 2022-04-22 | 盛中意电力科技有限公司 | Centrally-mounted switch cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08275320A (en) * | 1995-03-31 | 1996-10-18 | Tohoku Electric Power Co Inc | Switching apparatus for power distribution |
| CN2528133Y (en) * | 2001-12-06 | 2002-12-25 | 宁波天安（集团）股份有限公司 | Fixed indoor metal enclosed switch equipment |
| CN103996989A (en) * | 2014-06-10 | 2014-08-20 | 何华斌 | 450 mm-wide small switch cabinet |
-
2016
- 2016-03-29 CN CN201610187332.4A patent/CN105846334A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08275320A (en) * | 1995-03-31 | 1996-10-18 | Tohoku Electric Power Co Inc | Switching apparatus for power distribution |
| CN2528133Y (en) * | 2001-12-06 | 2002-12-25 | 宁波天安（集团）股份有限公司 | Fixed indoor metal enclosed switch equipment |
| CN103996989A (en) * | 2014-06-10 | 2014-08-20 | 何华斌 | 450 mm-wide small switch cabinet |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329377A (en) * | 2016-10-31 | 2017-01-11 | 江苏天港箱柜有限公司 | Compact switch cabinet |
| CN106786096A (en) * | 2016-12-27 | 2017-05-31 | 山东爱普电气设备有限公司 | A kind of Mobile CT fixing device of switch cubicle |
| CN107134736A (en) * | 2017-06-03 | 2017-09-05 | 河南科德天博电气有限公司 | A kind of low-voltage outlet device |
| CN107453267A (en) * | 2017-07-04 | 2017-12-08 | 上海正昊电力科技有限公司 | Drawer-type switch cabinet |
| CN109884431A (en) * | 2019-03-08 | 2019-06-14 | 北京博电新力电气股份有限公司 | A kind of electric car DC charging facility detection device of building block system |
| CN109884431B (en) * | 2019-03-08 | 2020-07-10 | 北京博电新力电气股份有限公司 | Cordwood system electric automobile direct current facility detection device that charges |
| CN111430175A (en) * | 2020-04-02 | 2020-07-17 | 宝鸡同步电器有限公司 | Low-voltage large-current phase selection switch with symmetrical structure |
| CN111430175B (en) * | 2020-04-02 | 2022-04-29 | 宝鸡同步电器有限公司 | Low-voltage large-current phase selection switch with symmetrical structure |
| CN114389190A (en) * | 2021-11-30 | 2022-04-22 | 盛中意电力科技有限公司 | Centrally-mounted switch cabinet |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |
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