CN107947002B - Switch cabinet - Google Patents
Switch cabinet Download PDFInfo
- Publication number
- CN107947002B CN107947002B CN201711115411.5A CN201711115411A CN107947002B CN 107947002 B CN107947002 B CN 107947002B CN 201711115411 A CN201711115411 A CN 201711115411A CN 107947002 B CN107947002 B CN 107947002B
- Authority
- CN
- China
- Prior art keywords
- chamber
- contact box
- breaker
- functional unit
- main bus
- 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.)
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Links
- 238000000926 separation method Methods 0.000 claims abstract description 41
- 230000000875 corresponding effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- 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
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
-
- 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
- H02B11/28—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a switch cabinet. The switch cabinet comprises a shell, a main bus chamber, a cable chamber and a breaker chamber; the main bus chamber, the cable chamber and the breaker chamber are all arranged in the shell, and a bus incoming terminal and an outgoing terminal are arranged outside the shell; the circuit breaker is internally provided with a removable modularized functional unit, the removable modularized functional unit is electrically connected with the main bus chamber through a first separation type contact box, and is electrically connected with the cable chamber through a second separation type contact box, so that the removable modularized functional unit is quickly and safely connected with the main bus chamber and the cable chamber. The switch cabinet disclosed by the invention can realize the overhaul of the cable chamber and the main bus chamber positioned at the later layer in front of the switch cabinet only by moving away the removable modularized functional unit arranged in the breaker chamber.
Description
Technical Field
The invention relates to the field of power distribution equipment, in particular to a switch cabinet.
Background
In the current power system, the removable part of the switch cabinet is only a handcart type circuit breaker, and other related parts (including a primary contact box, a valve mechanism and a grounding switch operation shaft device) are all fixed in the cabinet body. When overhauling, even if the removable part moves out of the cabinet body, an installer still cannot enter the main bus room and the cable room from the front of the cabinet to carry out operation overhauling, but enters the main bus room and the cable room from the back of the cabinet. Therefore, when the switch cabinet is integrally installed, a certain space on the wall surface of the building is needed to be left, so that the access of installation personnel is facilitated, the floor area of the switch cabinet is increased, the maintenance of the main bus room and the cable room on the rear layer can not be realized from the front of the cabinet, and the installation of the back support wall body of the double-layer switch cabinet can not be realized.
Disclosure of Invention
The invention aims to realize the overhaul of a main bus room and a cable room positioned at the rear layer from the front of a double-layer switch cabinet, and provides the switch cabinet.
In order to achieve the above object, the present invention provides the following solutions:
a switch cabinet, comprising a shell, a main bus room, a cable room and a breaker room; the main bus chamber, the cable chamber and the breaker chamber are all arranged in the shell, and a bus incoming terminal and an outgoing terminal are arranged outside the shell;
the main bus chamber and the cable chamber are longitudinally arranged and positioned in a rear layer of the housing, and the breaker chamber is positioned in a front layer of the housing;
the input end of the main bus chamber is connected with the bus incoming terminal, and the output end of the main bus chamber is connected with the input end of the breaker chamber through a first separation type contact box;
the output end of the breaker chamber is connected with the input end of the cable chamber through a second separation type contact box, and the output end of the cable chamber is connected with the outgoing terminal;
the circuit breaker is characterized in that a removable modularized functional unit is arranged in the circuit breaker chamber and is electrically connected with the main bus chamber through a first separation type contact box and is electrically connected with the cable chamber through a second separation type contact box.
Optionally, the first separated contact box and the second separated contact box comprise a main contact box and an auxiliary contact box, and one end of the auxiliary contact box is connected with one end of the main contact box in a nested manner;
the other end of the main contact box of the first separation type contact box is fixed on the main bus chamber, a primary fixed contact is arranged in the main contact box of the first separation type contact box, one end of the primary fixed contact is connected with a main bus of the main bus chamber, and the other end of the auxiliary contact box of the first separation type contact box is fixed on a removable modularized functional unit of the breaker chamber;
the other end of the main contact box of the second separation type contact box is melted and combined with a current transformer of the cable chamber and is fixed in the cable chamber, a primary fixed contact is arranged in the main contact box of the second separation type contact box, one end of the primary fixed contact is connected with the current transformer, and the other end of the auxiliary contact box of the second separation type contact box is fixed on a removable modularized functional unit of the breaker chamber.
Optionally, the removable modular functional unit includes a basic skeleton, a draw-out breaker, and a shutter mechanism;
the other end of the auxiliary contact box is fixed on an auxiliary contact box fixing plate of the basic framework and is connected with the draw-out circuit breaker; the valve mechanism is positioned between the auxiliary contact box and the draw-out circuit breaker;
the draw-out circuit breaker and the valve mechanism are both arranged on the basic framework.
Optionally, the switch cabinet further comprises rollers and guide rails;
the roller is fixed at the lower end of the removable modular functional unit, and the guide rail is arranged in the breaker chamber;
the rollers roll on the guide rails and are used for driving the removable modularized functional units to move.
Optionally, the switch cabinet further includes a plurality of threaded holes, and the plurality of threaded holes are respectively disposed at a front position of the removable modular functional unit and a corresponding position of the housing and the threaded hole at the front position of the removable modular functional unit, and the threaded holes are used for fixing the removable modular functional unit and the housing.
Optionally, the switch cabinet further comprises a grounding switch operation shaft, a grounding switch operation shaft sleeve and a grounding switch;
the grounding switch and the grounding switch operation shaft sleeve are arranged in the cable chamber, one end of the grounding switch operation shaft sleeve is connected with the operation port of the grounding switch, and the other end of the grounding switch operation shaft sleeve is supported through a support through hole in the cable chamber;
the grounding switch operation shaft is arranged at the lower part of the removable modular functional unit and is supported by a plurality of supporting through holes at the lower part of the removable modular functional unit;
when the removable modularized functional unit moves into the breaker chamber, the grounding switch operation shaft is inserted into the grounding switch operation shaft sleeve in a following way, and drives the grounding switch operation shaft sleeve to complete corresponding actions so as to control the grounding switch.
Optionally, the number of the breaker chambers is two, the number of the cable chambers is two, and the number of the main bus chambers is one;
the main bus chamber is positioned between the two cable chambers; the two breaker chambers are arranged up and down;
the input end of the main bus chamber is connected with the bus incoming line terminal, and the output ends of the main bus chamber are respectively connected with the input ends of the two breaker chambers through first separated contact boxes;
the output end of the upper circuit breaker chamber is connected with the input end of the upper cable chamber through a second separation type contact box, and the output end of the lower circuit breaker chamber is connected with the input end of the lower cable chamber through a second separation type contact box.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention discloses a switch cabinet, which comprises a shell, a main bus chamber, a cable chamber and a breaker chamber, wherein the main bus chamber is arranged on the shell; the main bus chamber, the cable chamber and the breaker chamber are all arranged in the shell, and a bus incoming terminal and an outgoing terminal are arranged outside the shell; the movable modularized functional unit is arranged in the breaker chamber, the movable modularized functional unit is electrically connected with the main bus chamber through the first separated contact box and is electrically connected with the cable chamber through the second separated contact box, the movable modularized functional unit is quickly and safely connected with the main bus chamber and the cable chamber, the movable modularized functional unit arranged in the breaker chamber is only required to be moved away, the overhaul and maintenance of the main bus chamber and the cable chamber circuits positioned at the rear layer in front of the cabinet are realized, the back wall installation of the double-layer switch cabinet is further realized, and the occupied area of the switch cabinet is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings required for the embodiments will be briefly described. It is obvious that the drawing described below is only one embodiment of the invention, and that other drawings may be obtained from this drawing without inventive effort for a person skilled in the art.
FIG. 1 is an overall block diagram of a switch cabinet provided by the invention;
fig. 2 is a front structural view of a switch cabinet provided by the invention;
fig. 3 is a left side view of a switch cabinet provided by the invention.
Description of the embodiments
The invention aims to provide a switch cabinet, which is used for overhauling a main bus room and a cable room positioned at the later layer from the front of a double-layer switch cabinet.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Fig. 1 is an overall structure diagram of a switch cabinet, fig. 2 is a front structure diagram of the switch cabinet, and as shown in fig. 1 and 2, the invention provides a switch cabinet, which comprises a shell 1, a main bus bar chamber 2, a cable chamber 3 and a breaker chamber 4; the main bus chamber 2, the cable chamber 3 and the breaker chamber 4 are all arranged in the shell 1, and a bus incoming terminal 6 and an outgoing terminal 7 are arranged outside the shell;
the main bus bar chamber 2 and the cable chamber 3 are longitudinally arranged and located in a rear layer of the housing 1, and the breaker chamber 4 is located in a front layer of the housing 1; the former layer is shown as layer a in fig. 1, and the latter layer is shown as layer B in fig. 1;
the input end of the main bus chamber 2 is connected with the bus incoming terminal 6, and the output end of the main bus chamber 2 is connected with the input end of the breaker chamber 4 through a first separation type contact box 8;
the output end of the breaker chamber 4 is connected with the input end of the cable chamber 3 through a second separation type contact box 9, and the output end of the cable chamber is connected with the outgoing line terminal;
the circuit breaker chamber 4 is internally provided with a removable modular functional unit 5, and the removable modular functional unit 5 is electrically connected with the main bus chamber 2 through a first separation type contact box 8 and is electrically connected with the cable chamber 3 through a second separation type contact box 9.
Specifically, the switch cabinet further comprises an intelligent centralized control room, wherein the intelligent centralized control room is located at the front side of the shell and above the breaker room.
Specifically, the shell comprises a left side plate and a right side plate, the intelligent centralized control room comprises a centralized control room door plate, the left end of the centralized control room door plate is connected with the left side plate of the cabinet body through a hinge, and the right end of the centralized control room door plate is detachably connected with the right side plate of the cabinet body through a door lock; the circuit breaker room includes circuit breaker room door plant, the left end of circuit breaker room door plant passes through hinged joint with the left side board of casing, and the right-hand member then passes through the lock with the right side board of casing and can dismantle the connection.
Optionally, the first separation type contact box 8 and the second separation type contact box 9 comprise a main contact box and an auxiliary contact box, and one end of the auxiliary contact box is connected with one end of the main contact box in a nested manner;
the other end of the main contact box of the first separation type contact box is fixed on the main bus chamber, a primary fixed contact is arranged in the main contact box of the first separation type contact box, one end of the primary fixed contact is connected with a main bus of the main bus chamber, and the other end of the auxiliary contact box of the first separation type contact box is fixed on a removable modularized functional unit of the breaker chamber;
the other end of the main contact box of the second separation type contact box is melted and combined with a current transformer of the cable chamber and is fixed in the cable chamber, a primary fixed contact is arranged in the main contact box of the second separation type contact box, one end of the primary fixed contact is connected with the current transformer, and the other end of the auxiliary contact box of the second separation type contact box is fixed on a removable modularized functional unit of the breaker chamber. Specifically, the second disconnect-type contact box is combination formula contact box, and its main contact box is whole with current transformer and the temperature sensor that is located the cable chamber, avoids the not hard up that main contact box and current transformer are connected to real-time detection main contact box and current transformer's temperature has improved the security level of the cubical switchboard of this application.
Optionally, the removable modular functional unit 5 comprises a basic skeleton, a draw-out breaker and a shutter mechanism;
the other end of the auxiliary contact box is fixed on an auxiliary contact box fixing plate of the basic framework and is connected with the draw-out circuit breaker; the valve mechanism is positioned between the auxiliary contact box and the draw-out circuit breaker;
the draw-out circuit breaker and the valve mechanism are arranged on the basic framework;
in particular, the draw-out circuit breaker can be drawn out from the basic skeleton and maintained separately.
Optionally, the switch cabinet further comprises a roller 11 and a guide rail 10;
the roller 11 is fixed at the lower end of the removable modular functional unit 5, and the guide rail 10 is arranged inside the breaker chamber 4; the number of the guide rails is at least one pair;
the rollers 11 roll on the guide rail 10 for driving the removable modular functional unit 5 to move.
Optionally, the switch cabinet further includes a plurality of threaded holes, and a plurality of the threaded holes are respectively disposed at a front position of the removable modular functional unit 5 and a corresponding position of the housing 1 and the threaded hole at the front position of the removable modular functional unit 5, and the threaded holes are used for fixing the removable modular functional unit 5 and the housing 1.
Fig. 3 is a left side view of the switch cabinet, as shown in fig. 3, the switch cabinet further includes a ground switch operating shaft 14, a ground switch operating shaft sleeve 13, and a ground switch 12;
the grounding switch 12 and the grounding switch operation shaft sleeve 13 are arranged in the cable chamber 3, one end of the grounding switch operation shaft sleeve 13 is connected with an operation port of the grounding switch, and the other end of the grounding switch operation shaft sleeve 13 is supported through a support through hole in the cable chamber;
the grounding switch operation shaft 14 is arranged at the lower part of the removable modular functional unit 5, and the grounding switch operation shaft 14 is supported by a plurality of supporting through holes at the lower part of the removable modular functional unit;
when the removable modular functional unit moves into the breaker chamber 4, the grounding switch operating shaft 14 is inserted into the grounding switch operating shaft sleeve 13, and drives the grounding switch operating shaft sleeve 13 to complete corresponding actions, so as to control the grounding switch 12.
Optionally, the number of the breaker chambers 4 is two, the number of the cable chambers 3 is two, and the number of the main bus chambers 2 is one;
said main busbar compartment 2 is located between two of said cable compartments 3; the two breaker chambers 4 are arranged up and down;
the input end of the main bus chamber 2 is connected with the bus incoming line terminal 6, and the output ends of the main bus chamber 2 are respectively connected with the input ends of the two breaker chambers 4 through a first separation type contact box 8;
the output end of the upper circuit breaker chamber 4 is connected with the input end of the upper cable chamber 3 through a second separation type contact box 9, and the output end of the lower circuit breaker chamber is connected with the input end of the lower cable chamber 3 through a second separation type contact box 9.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention discloses a switch cabinet, which comprises a shell, a main bus chamber, a cable chamber and a breaker chamber, wherein the main bus chamber is arranged on the shell; the main bus chamber, the cable chamber and the breaker chamber are all arranged in the shell, and a bus incoming terminal and an outgoing terminal are arranged outside the shell; the movable modularized function unit is electrically connected with the main bus chamber through the first separated contact box, the movable modularized function unit is electrically connected with the cable chamber through the second separated contact box, the quick and safe connection between the movable modularized function unit and the main bus chamber and between the movable modularized function unit and the cable chamber are realized, the operation of the grounding switch operation device positioned at the rear layer in front of the high-voltage switch cabinet is realized by adopting the grounding switch operation device comprising the grounding switch operation shaft sleeve and the grounding switch operation shaft, and the quick connection and disconnection of the grounding switch operation shaft positioned at the cable chamber part (the grounding switch operation shaft sleeve) and the circuit breaker chamber part (the grounding switch operation shaft) are realized, and the maintenance of the circuit in the main bus chamber and the cable chamber positioned at the rear layer in front of the switch cabinet can be realized only by removing the movable modularized function unit positioned at the circuit breaker chamber, so that the installation of the back wall of the double-layer switch cabinet is realized, and the occupied area of the switch cabinet is reduced;
the combined main contact box is adopted, so that the looseness of the connection of the main contact box and the current transformer is avoided, the temperatures of the main contact box and the current transformer are detected in real time, and the safety level of the switch cabinet is improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The technical principles and embodiments are explained herein by specific examples, the above examples are only for helping to understand the technical method and core idea of the present invention, and the described examples are only examples of the present invention, but not all examples. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
Claims (6)
1. The switch cabinet is characterized by comprising a shell, a main bus chamber, a cable chamber and a breaker chamber; the main bus chamber, the cable chamber and the breaker chamber are all arranged in the shell, and a bus incoming terminal and an outgoing terminal are arranged outside the shell;
the main bus chamber and the cable chamber are longitudinally arranged and positioned in a rear layer of the housing, and the breaker chamber is positioned in a front layer of the housing;
the input end of the main bus chamber is connected with the bus incoming terminal, and the output end of the main bus chamber is connected with the input end of the breaker chamber through a first separation type contact box;
the output end of the breaker chamber is connected with the input end of the cable chamber through a second separation type contact box, and the output end of the cable chamber is connected with the outgoing terminal;
the circuit breaker chamber is internally provided with a removable modularized functional unit, and the removable modularized functional unit is electrically connected with the main bus chamber through a first separation type contact box and is electrically connected with the cable chamber through a second separation type contact box;
the switch cabinet further comprises a grounding switch operation shaft, a grounding switch operation shaft sleeve and a grounding switch;
the grounding switch and the grounding switch operation shaft sleeve are arranged in the cable chamber, one end of the grounding switch operation shaft sleeve is connected with the operation port of the grounding switch, and the other end of the grounding switch operation shaft sleeve is supported through a support through hole in the cable chamber;
the grounding switch operation shaft is arranged at the lower part of the removable modular functional unit and is supported by a plurality of supporting through holes at the bottom of the removable modular functional unit;
when the removable modularized functional unit moves into the breaker chamber, the grounding switch operation shaft is inserted into the grounding switch operation shaft sleeve in a following way, and drives the grounding switch operation shaft sleeve to complete corresponding actions so as to control the grounding switch.
2. The switchgear according to claim 1, characterized in that the first and second split contact boxes each comprise a main contact box and an auxiliary contact box, one end of the auxiliary contact box being connected with one end of the main contact box in a nested manner;
the other end of the main contact box of the first separation type contact box is fixed on the main bus chamber, a primary fixed contact is arranged in the main contact box of the first separation type contact box, one end of the primary fixed contact is connected with a main bus of the main bus chamber, and the other end of the auxiliary contact box of the first separation type contact box is fixed on a removable modularized functional unit of the breaker chamber;
the other end of the main contact box of the second separation type contact box is melted and combined with a current transformer of the cable chamber and is fixed in the cable chamber, a primary fixed contact is arranged in the main contact box of the second separation type contact box, one end of the primary fixed contact is connected with the current transformer, and the other end of the auxiliary contact box of the second separation type contact box is fixed on a removable modularized functional unit of the breaker chamber.
3. The switchgear cabinet according to claim 2, characterized in that the removable modular functional unit comprises a basic skeleton, a withdrawable circuit breaker and a shutter mechanism;
the other end of the auxiliary contact box is fixed on an auxiliary contact box fixing plate of the basic framework and is connected with the draw-out circuit breaker; the valve mechanism is positioned between the auxiliary contact box and the draw-out circuit breaker;
the draw-out circuit breaker and the valve mechanism are both arranged on the basic framework.
4. The switchgear cabinet according to claim 1, characterized in that it further comprises rollers and rails;
the roller is fixed at the lower end of the removable modular functional unit, and the guide rail is arranged in the breaker chamber;
the rollers roll on the guide rails and are used for driving the removable modularized functional units to move.
5. The switchgear according to claim 1, characterized in that it further comprises a number of threaded holes, which are provided in the front position of the removable modular functional unit and in the corresponding positions of the threaded holes of the housing and the front position of the removable modular functional unit, respectively, for fixing the removable modular functional unit and the housing.
6. The switchgear according to claim 1, characterized in that the number of the breaker chambers is two, the number of the cable chambers is two, the number of the main bus-bar chambers is one;
the main bus chamber is positioned between the two cable chambers; the two breaker chambers are arranged up and down;
the input end of the main bus chamber is connected with the bus incoming line terminal, and the output ends of the main bus chamber are respectively connected with the input ends of the two breaker chambers through first separated contact boxes;
the output end of the upper circuit breaker chamber is connected with the input end of the upper cable chamber through a second separation type contact box, and the output end of the lower circuit breaker chamber is connected with the input end of the lower cable chamber through a second separation type contact box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115411.5A CN107947002B (en) | 2017-11-13 | 2017-11-13 | Switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115411.5A CN107947002B (en) | 2017-11-13 | 2017-11-13 | Switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107947002A CN107947002A (en) | 2018-04-20 |
| CN107947002B true CN107947002B (en) | 2023-12-22 |
Family
ID=61933962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711115411.5A Active CN107947002B (en) | 2017-11-13 | 2017-11-13 | Switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107947002B (en) |
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| CN203951080U (en) * | 2014-07-18 | 2014-11-19 | 遵义长征电器制造有限公司 | Miniaturization withdraw-type AC metal closed switch cabinet |
| CN105244792A (en) * | 2015-11-05 | 2016-01-13 | 湖南开关有限责任公司 | Switch cabinet circuit breaker handcart and ground switch interlocking mechanism |
| CN106099733A (en) * | 2016-06-22 | 2016-11-09 | 四川电器成套设备有限公司 | A kind of switchgear mounting arrangement structure |
| CN207353746U (en) * | 2017-11-13 | 2018-05-11 | 上海基胜能源股份有限公司 | A kind of Novel switch cabinet |
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2017
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|---|---|---|---|---|
| CN2393239Y (en) * | 1999-09-02 | 2000-08-23 | 朱学锋 | High-voltage switch cabint of built-in baking switch |
| CN2862452Y (en) * | 2006-01-26 | 2007-01-24 | 鞍山市宏源自动化工程有限公司 | Metal-shielding mobile type indoor A.C. metal sealed switch cabinet |
| CN201528125U (en) * | 2009-08-05 | 2010-07-14 | 四川兴盛电器设备有限公司 | Interlocking mechanism for armoured central-positioned switch device cabinet door |
| CN202034698U (en) * | 2011-03-16 | 2011-11-09 | 山东鲁冶瑞宝电气自动化有限公司 | Heavy current metal armored draw-out type switch cabinet |
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| WO2013097175A1 (en) * | 2011-12-30 | 2013-07-04 | Abb Technology Ltd. | Mechanical interlock device among cable door, rear door and earthing switch |
| CN202474665U (en) * | 2012-03-02 | 2012-10-03 | 上海西屋开关有限公司 | Metal armored centrally-mounted withdrawable switch cabinet |
| CN202678735U (en) * | 2012-06-26 | 2013-01-16 | 宁波华通电器集团股份有限公司 | Middle-arranged switch cabinet |
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| CN207353746U (en) * | 2017-11-13 | 2018-05-11 | 上海基胜能源股份有限公司 | A kind of Novel switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107947002A (en) | 2018-04-20 |
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