CN103915777A - Built-in type switch cabinet - Google Patents
Built-in type switch cabinet Download PDFInfo
- Publication number
- CN103915777A CN103915777A CN201210593828.3A CN201210593828A CN103915777A CN 103915777 A CN103915777 A CN 103915777A CN 201210593828 A CN201210593828 A CN 201210593828A CN 103915777 A CN103915777 A CN 103915777A
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- Prior art keywords
- contact
- cabinet
- valve
- box
- circuit breaker
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Abstract
The invention discloses a built-in type switch cabinet. The built-in type switch cabinet comprises a cabinet body and a circuit breaker. The cabinet body is provided with a front cabinet plate; the cabinet body is internally provided with a three-phase static contact unit; the static contact unit comprises an upper static contact and a lower static contact; the upper static contact is electrically connected with a main busbar; the lower static contact is electrically connected with a branch busbar; the circuit breaker is provided with a three-phase moving contact unit; the moving contact unit comprises an upper moving contact and a lower moving contact; the three-phase static contact unit is arranged in tandem; the three-phase moving contact unit is arranged in tandem; the circuit breaker can be pushed into the cabinet body from the front of the cabinet and can move to the left and right between a test position and a work position; each phase of moving contact unit and each phase of static contact unit of the circuit breaker at the work position are contacted and electrically connected; and the front cabinet plate is provided with an observation window. The advantages are as follows: user operation is carried out in front of the cabinet, contact states can be observed through the observation window during operation, good isolation or contact is ensured, safety hidden risks are avoided, the performance is improved, the cost is reduced, and the reliability and safety are improved.
Description
Technical field
The present invention relates to a kind of intermediate switchgear cabinet.
Background technology
Existing intermediate switchgear cabinet, comprises cabinet and circuit breaker; In this cabinet, establish three-phase fixed contact unit, every phase fixed contact unit all comprises upper static contact and lower fixed contact, and this upper static contact electricity connects main busbar, this lower fixed contact electricity Jie branch busbar; This circuit breaker has three-phase moving contact unit, and every phase moving-contact unit all comprises moving contact and lower moving contact, and on this, moving contact and lower moving contact electricity connect; Arrange this left and right, three-phase fixed contact unit, and arrange this left and right, three-phase moving contact unit, and this circuit breaker can advance in cabinet and between test position and service position and move forward and backward along fore-and-aft direction.When user operates, be to stand in before switch cubicle, when advancing or retreating, contact situation is but blocked by circuit breaker, and user cannot see, and cannot truly judge whether fracture disconnects, and does not meet relevant criterion, has potential safety hazard.Branch's busbar left and right distributes, and causes copper bar to walk line length, and cost is high.
Summary of the invention
The invention provides intermediate switchgear cabinet, it has overcome the existing deficiency of intermediate switchgear cabinet in background technology.
The technical scheme adopting that the present invention solves its technical problem is:
Intermediate switchgear cabinet, comprises cabinet and circuit breaker, and this cabinet has front cabinet plate; In this cabinet, establish three-phase fixed contact unit, every phase fixed contact unit all comprises upper static contact and lower fixed contact, and this upper static contact electricity connects main busbar, this lower fixed contact electricity Jie branch busbar; This circuit breaker has three-phase moving contact unit, and every phase moving-contact unit all comprises moving contact and lower moving contact, and on this, moving contact and lower moving contact electricity connect; This three-phase fixed contact unit in tandem, this three-phase moving contact unit in tandem, this circuit breaker can advance in cabinet and between test position and service position and move left and right along left and right directions, is positioned at each phase moving-contact unit of circuit breaker of service position and each phase fixed contact unit and joins to getting an electric shock and connect; This front cabinet plate is established observation window, contacts situation observing fixed contact unit by observation window with moving-contact unit.
Among one preferred embodiment: this front cabinet plate is offered cabinet door, circuit breaker can be advanced in cabinet from cabinet.
Among one preferred embodiment: establish three upper contact head boxes and three lower contact boxs in this cabinet, each upper contact head box is connected with valve, and each lower contact box is connected with lower valve;
This upper static contact is installed in upper contact head box, and this upper static contact has the first extension stretching out under upper contact head box; On this, valve is established insulating sleeve, and on this, the relative upper contact head box of valve energy, in the upper activity between position and upward-acting door position of closing the door, is positioned at the adaptive upper contact head box of upper insulating sleeve of the position of closing the door and the first extension can be overlapped therein;
This lower fixed contact is installed in lower contact box, and this lower fixed contact has the second extension stretching out on lower contact box; This lower valve is set insulating sleeve, this lower valve energy relatively descend contact box under close the door between position and downward swing door position movable, contact box and the second extension being overlapped therein under the lower insulating sleeve adaptation of the position of closing the door under being positioned at;
This circuit breaker the activity between experiment position and service position, on the movable and lower valve of valve movable can form be connected.
Among one preferred embodiment: valve pivot joint upper contact head box on this, and on this valve on the close the door central angle of position upper valve pivot joint axis relative to upward-acting door position be 80-100 degree; Contact box under this lower valve pivot joint, and this lower valve under the close the door central angle of position lower valve pivot joint axis relative to downward swing door position be 80-100 degree.
Among one preferred embodiment: on this, valve is articulated in upper contact head box lateral surface middle part, and, the adaptive upper contact head box of insulating sleeve opening periphery lateral surface on this; This lower valve is articulated in lower contact box lateral surface middle part, and, contact box lateral surface under this lower insulating sleeve opening periphery adaptation.
Among one preferred embodiment: on this, the degree of depth of insulating sleeve is greater than the first extension and stretches out the height of upper contact head box; The degree of depth of this lower insulating sleeve is greater than the second extension stretches out the height of lower contact box.
Among one preferred embodiment: this observation window height is between between upper static contact and lower fixed contact.
Among one preferred embodiment: in this cabinet, establish left and right to guide rail, this circuit breaker is connected to guide rail.
Among one preferred embodiment: this cabinet is also established the operating unit for user's operation, and this operating unit is located at front cabinet plate.
Among one preferred embodiment: interval and place setting vertically before and after this branch busbar.
The technical program is compared with background technology, and its tool has the following advantages:
1, circuit breaker from cabinet, advance cabinet door and test position to service position for moving left and right, before operating in cabinet, carry out, so at any time can observe contact state by observation window, guarantee that isolation or contact are good, avoid potential safety hazard, performance improves, cost, and reliability, fail safe improve.
2, establish valve, can observe valve state by observation window, avoid potential safety hazard, guarantee safety isolation.
3, before and after branch's busbar adopts and same with the main busbar layout of placing vertically, copper bar cabling is the shortest, reduces track lengths, improves ampacity, and cost can reduce more than 40%, thereby cost is accomplished optimization, makes installation and maintenance space, cable vault become large.
4, fixed contact part is exposed outside contact box, and when valve is closed, insulating sleeve matches with contact box, and sealing fixed contact, guarantees static contact and insulation.Circuit breaker from experiment position shake to service position into time, drive valve from the position of closing the door to opening position activity, insulating sleeve is opened, dynamic/static contact interlock, and now dynamic/static contact is exposed in air, not only can visually observe contact state and monitor at any time contact temperature rise state, and can also guarantee contact good heat radiating condition, and be conducive to contact heat radiation, solve the high difficult problem of contact temperature rise, thereby eliminate safe hidden trouble, improve switch cubicle performance, reliability, fail safe.
5, valve is articulated in respectively contact box, and the central angle of position valve pivot joint relative to the opening position axis of closing the door of valve is 80-100 degree, rationally distributed, compact conformation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
The master that Fig. 1 has illustrated switch cubicle looks schematic diagram, and now circuit breaker is in service position.
Fig. 2 has illustrated a left side for switch cubicle and has looked schematic diagram, and now circuit breaker is in service position.
The master that Fig. 3 has illustrated switch cubicle looks schematic diagram, and now circuit breaker is in test position.
Fig. 4 has illustrated the schematic diagram of the circuit breaker of switch cubicle.
Fig. 5 has illustrated the schematic diagram of cabinet of switch cubicle etc.
Embodiment
Please refer to Fig. 1 to Fig. 5, intermediate switchgear cabinet, the switch cubicle of for example pressing in 12KV-40.5KV, comprise cabinet 10 and circuit breaker 20, this cabinet 10 has front cabinet plate, and this cabinet 10 is established main busbar 11, branch's busbar 12, bus-bar room 13, cable vault 14, low-pressure chamber 15, breaker chamber 18, arcing passage 16, CT17.Among the present embodiment, in this cabinet 10, establish left and right to guide rail.This front cabinet plate is offered the cabinet door of an opening and a connection opening, opens cabinet door, and by circuit breaker the past, the cabinet of cabinet plate goes in rear propelling cabinet.
In this cabinet 10, establish three-phase fixed contact unit, this three-phase fixed contact unit in tandem.Every phase fixed contact unit all comprises upper static contact 30 and lower fixed contact 40, and these upper static contact 30 electricity connect main busbar 11, these lower fixed contact 40 electricity Jie branch busbars 12.
This circuit breaker 20 has three-phase moving contact unit, and this three-phase moving contact unit in tandem.Every phase moving-contact unit all comprises moving contact 50 and lower moving contact 60, and the upper moving contact 50 of every phase moving-contact unit and lower moving contact 60 electricity connect.
This circuit breaker 20 is connected to guide rail advancing in cabinet 10 and move left and right between test position and service position along left and right directions, be positioned at each phase moving-contact unit of circuit breaker 20 of service position and each phase fixed contact unit and join to getting an electric shock and connect, with by main busbar 11 current conduction to branch's busbar 12.Interval and same with main busbar place setting vertically before and after this branch busbar.
The front cabinet plate of this cabinet 10 is established observation window, and this observation window height, between between upper static contact 30 and lower fixed contact 40, contacts situation observing fixed contact unit by observation window with moving-contact unit, and directly understanding contact directly perceived is contact or separates in time.This cabinet 10 is also established the operating unit for user's operation, this operating unit is located at front cabinet plate, operate before front cabinet plate for user, this operating unit can be button or the manually operated handle hole of confession user of accessory drive, and user can operate operating grip update hole.
Among the present embodiment, establish three tandem upper contact head boxes 31 and three tandem lower contact boxs 41 in this cabinet 10, this upper contact head box 31 and lower contact box 32 are setting up and down.Each upper contact head box 31 is connected with valve 32, and each lower contact box 41 is connected with lower valve 42.
This upper static contact 30 is installed in upper contact head box 31, and this upper static contact 30 has the first extension 33 stretching out under upper contact head box 31; On this, valve 32 is established insulating sleeve 34, and on this, the relative upper contact head box 31 of valve 32 energy, in the upper activity between position and upward-acting door position of closing the door, is positioned at the adaptive upper contact head box 31 of upper insulating sleeve 34 of the position of closing the door and the first extension 33 can be overlapped therein.
This lower fixed contact 40 is installed in lower contact box 41, and this lower fixed contact 40 has the second extension 43 stretching out on lower contact box 41; This lower valve 42 is set insulating sleeve 44, this lower valve 42 can relatively descend contact box 41 under close the door between position and downward swing door position movable, the adaptive lower contact boxs 41 of lower insulating sleeve 44 of the position of closing the door under being positioned at and the second extension 43 being overlapped therein.
This circuit breaker 20 the activity between experiment position and service position, on the movable and lower valve 42 of valve 32 movable can form be connected.Among the present embodiment, between this circuit breaker and upper valve, lower valve, establish interlinked mechanism to realize interlock, this interlinked mechanism is for example: 1, between circuit breaker and lower valve, establish rack and pinion mechanism so that propelling is converted into rotation, between lower valve and upper valve, establish chain sprocket transmission; 2, between circuit breaker and lower valve, establish linkage so that propelling is converted into rotation, between lower valve and upper valve, establish chain sprocket transmission; But not as limit, also can adopt as required other mechanism, for example link transmission etc. between leading screw and nut mechanism valve.
Among the present embodiment, valve pivot joint upper contact head box on this, and on this valve on the close the door central angle of position upper valve pivot joint axis relative to upward-acting door position be 80-100 degree, as 90 degree; The opening periphery that is somebody's turn to do the upper insulating sleeve of the upper valve in the position of above closing the door is level.Contact box under this lower valve pivot joint, and this lower valve under the close the door central angle of position lower valve pivot joint axis relative to downward swing door position be 80-100 degree, as 90 degree; Should under the close the door opening periphery of lower insulating sleeve of lower valve of position be level.
Among the present embodiment, on this, valve is articulated in upper contact head box lateral surface middle part, and, the adaptive upper contact head box of insulating sleeve opening periphery lateral surface on this, on this, the degree of depth of insulating sleeve is greater than the first extension and stretches out the height of upper contact head box; This lower valve is articulated in lower contact box lateral surface middle part, and, contact box lateral surface under this lower insulating sleeve opening periphery adaptation, the degree of depth of this lower insulating sleeve is greater than the second extension stretches out the height of lower contact box.
This three-phase fixed contact unit in tandem, this three-phase moving contact unit in tandem, this circuit breaker for moving left and right, carries out before operating in cabinet from test position to service position, so at any time can observe contact state by observation window, guarantee that isolation or contact are good, avoid potential safety hazard, performance improves, cost, reliability, fail safe improve, and can reduce and can reduce costs by cupboard height.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (10)
1. intermediate switchgear cabinet, comprises cabinet and circuit breaker, and this cabinet has front cabinet plate; In this cabinet, establish three-phase fixed contact unit, every phase fixed contact unit all comprises upper static contact and lower fixed contact, and this upper static contact electricity connects main busbar, this lower fixed contact electricity Jie branch busbar; This circuit breaker has three-phase moving contact unit, and every phase moving-contact unit all comprises moving contact and lower moving contact, and on this, moving contact and lower moving contact electricity connect; It is characterized in that: this three-phase fixed contact unit in tandem, this three-phase moving contact unit in tandem, this circuit breaker can advance in cabinet and move left and right between test position and service position, is positioned at each phase moving-contact unit of circuit breaker of service position and each phase fixed contact unit and joins to getting an electric shock and connect; This front cabinet plate is established observation window, contacts situation observing fixed contact unit by observation window with moving-contact unit.
2. intermediate switchgear cabinet according to claim 1, is characterized in that: this front cabinet plate is offered cabinet door, circuit breaker can be advanced in cabinet from cabinet.
3. intermediate switchgear cabinet according to claim 1 and 2, is characterized in that:
In this cabinet, establish three upper contact head boxes and three lower contact boxs, each upper contact head box is connected with valve, and each lower contact box is connected with lower valve;
This upper static contact is installed in upper contact head box, and this upper static contact has the first extension stretching out under upper contact head box; On this, valve is established insulating sleeve, and on this, the relative upper contact head box of valve energy, in the upper activity between position and upward-acting door position of closing the door, is positioned at the adaptive upper contact head box of upper insulating sleeve of the position of closing the door and the first extension can be overlapped therein;
This lower fixed contact is installed in lower contact box, and this lower fixed contact has the second extension stretching out on lower contact box; This lower valve is set insulating sleeve, this lower valve energy relatively descend contact box under close the door between position and downward swing door position movable, contact box and the second extension being overlapped therein under the lower insulating sleeve adaptation of the position of closing the door under being positioned at;
This circuit breaker the activity between experiment position and service position, on the movable and lower valve of valve movable can form be connected.
4. intermediate switchgear cabinet according to claim 3, is characterized in that: valve pivot joint upper contact head box on this, and on this valve on the close the door central angle of position upper valve pivot joint axis relative to upward-acting door position be 80-100 degree; Contact box under this lower valve pivot joint, and this lower valve under the close the door central angle of position lower valve pivot joint axis relative to downward swing door position be 80-100 degree.
5. intermediate switchgear cabinet according to claim 4, is characterized in that: on this, valve is articulated in upper contact head box lateral surface middle part, and, the adaptive upper contact head box of insulating sleeve opening periphery lateral surface on this; This lower valve is articulated in lower contact box lateral surface middle part, and, contact box lateral surface under this lower insulating sleeve opening periphery adaptation.
6. intermediate switchgear cabinet according to claim 3, is characterized in that: on this, the degree of depth of insulating sleeve is greater than the first extension and stretches out the height of upper contact head box; The degree of depth of this lower insulating sleeve is greater than the second extension stretches out the height of lower contact box.
7. according to the intermediate switchgear cabinet described in any one in claim 1 to 6, it is characterized in that: this observation window height is between between upper static contact and lower fixed contact.
8. according to the intermediate switchgear cabinet described in any one in claim 1 to 6, it is characterized in that: in this cabinet, establish left and right to guide rail, this circuit breaker is connected to guide rail.
9. according to the intermediate switchgear cabinet described in any one in claim 1 to 6, it is characterized in that: this cabinet is also established the operating unit for user's operation, and this operating unit is located at front cabinet plate.
10. according to the intermediate switchgear cabinet described in any one in claim 1 to 6, it is characterized in that: interval and place setting vertically before and after this branch busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210593828.3A CN103915777B (en) | 2012-12-31 | 2012-12-31 | Intermediate switchgear cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210593828.3A CN103915777B (en) | 2012-12-31 | 2012-12-31 | Intermediate switchgear cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103915777A true CN103915777A (en) | 2014-07-09 |
| CN103915777B CN103915777B (en) | 2016-12-28 |
Family
ID=51041258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210593828.3A Active CN103915777B (en) | 2012-12-31 | 2012-12-31 | Intermediate switchgear cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103915777B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293982A (en) * | 2017-08-24 | 2017-10-24 | 协成科技股份有限公司 | Longitudinal withdraw-type breaker middle-placed switch cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE665562A (en) * | 1964-06-19 | 1965-10-18 | ||
| JPH08331708A (en) * | 1995-06-05 | 1996-12-13 | Toshiba Fa Syst Eng Kk | Metal closed type switch gear |
| CN101320891A (en) * | 2008-06-12 | 2008-12-10 | 高赟 | Side-installed shifting type high-tension switch cabinet |
| CN203014237U (en) * | 2012-12-31 | 2013-06-19 | 施耐德电气华电开关(厦门)有限公司 | Central-positioned switch cabinet |
-
2012
- 2012-12-31 CN CN201210593828.3A patent/CN103915777B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE665562A (en) * | 1964-06-19 | 1965-10-18 | ||
| JPH08331708A (en) * | 1995-06-05 | 1996-12-13 | Toshiba Fa Syst Eng Kk | Metal closed type switch gear |
| CN101320891A (en) * | 2008-06-12 | 2008-12-10 | 高赟 | Side-installed shifting type high-tension switch cabinet |
| CN203014237U (en) * | 2012-12-31 | 2013-06-19 | 施耐德电气华电开关(厦门)有限公司 | Central-positioned switch cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293982A (en) * | 2017-08-24 | 2017-10-24 | 协成科技股份有限公司 | Longitudinal withdraw-type breaker middle-placed switch cabinet |
| CN107293982B (en) * | 2017-08-24 | 2023-09-26 | 协成科技股份有限公司 | Centrally installed switchgear of longitudinally movable circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103915777B (en) | 2016-12-28 |
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