CN107785807A - A kind of switchgear integral layout - Google Patents
A kind of switchgear integral layout Download PDFInfo
- Publication number
- CN107785807A CN107785807A CN201710957048.5A CN201710957048A CN107785807A CN 107785807 A CN107785807 A CN 107785807A CN 201710957048 A CN201710957048 A CN 201710957048A CN 107785807 A CN107785807 A CN 107785807A
- Authority
- CN
- China
- Prior art keywords
- bus
- room
- cabinet
- integral layout
- switchgear
- 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
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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
-
- 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
- H02B11/127—Withdrawal mechanism
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention discloses a kind of switchgear integral layout, including cabinet, cabinet inner route clapboard is separated out bus-bar room, cable vault, handcart room and control room, main bus-bar is introduced into after bus-bar room by insulating sleeve and overlapped by branch bus to the upper static contact in the upper contact head boxlike current transformer being arranged in bus-bar room, upper static contact detachably electrically connects with the upper contact arm of the pole of the circuit breaker cart in handcart room again, the lower contact arm of pole detachably electrically connects with the lower static contact in the lower contact box current transformer in cable vault, lower contact box current transformer is drawn by feeding out bus from the outlet casing tube being arranged at the top of cable vault, and the earthed switch in cable vault is connected with after arrester parallel connection with lower contact box current transformer.The present invention is rational in infrastructure compact, and Maintenance and Repair are convenient, and the low-pressure chamber for being assembled with low-pressure secondary control element is located at top before cabinet, improves simple operation and the safety in utilization of switchgear.
Description
Technical field
The present invention relates to switching equipment technology, more particularly to a kind of switchgear integral layout.
Background technology
Switchgear is a kind of complete power distribution equipment, is mainly used in power plant, medium and small generator power transmission, industrial and mineral enterprises and institutions
Distribution and the secondary substation of power system by electricity, power transmission and Large-scale High-Pressure motor etc., carry out it control protection, prison
Survey is used.
Switchgear includes cabinet and first and second element, and primary element is used to receiving from system, transmits electric energy and downward
Stage load is powered, while ensures the safe ready of interruption maintenance, and provides primary element voltage, current signal to secondary component,
Circuit breaker cart wherein in compact switchgear is most important primary element, is referred to as the heart of switchgear, secondary
Element is used to be controlled primary element, protect and monitor.
Existing switchgear integral layout is unreasonable, course of work less stable, and there is potential safety hazard, installation inspection
Inconvenience is repaiied, attended operation is wasted time and energy, and attended operation security is low.
The content of the invention
The technical problems to be solved by the invention and the technical assignment proposed are that prior art is improved, there is provided a kind of
Switchgear integral layout, the switchgear integral layout solved in current technology is unreasonable, poor work stability, installation and repairing
The problem of inconvenience, attended operation are wasted time and energy, and attended operation security is low.
To solve above technical problem, the technical scheme is that：
A kind of switchgear integral layout, including cabinet, it is characterised in that described cabinet inner route clapboard, which is separated out, to be located at
The bus-bar room of cabinet upper back, the handcart room positioned at the cable vault of bus-bar room rear lower, positioned at the preceding middle and lower part of cabinet and positioned at cabinet
The control room for installing linear quadratic control element at top before body, main bus-bar pass through branch bus after introducing bus-bar room by insulating sleeve
Overlap joint to the upper static contact in the upper contact head boxlike current transformer being arranged in bus-bar room, upper static contact again with handcart room
The upper contact arm of the pole of circuit breaker cart detachably electrically connects, lower contact arm and the lower contact box in cable vault of pole
Lower static contact in formula current transformer detachably electrically connects, and lower contact box current transformer is by feeding out bus from being arranged on
Outlet casing tube at the top of cable vault is drawn, and the earthed switch in cable vault it is in parallel with arrester after with lower contact case type electric current
Transformer connects.Switchgear integral layout of the present invention is using upper and lower contact box current transformer to upper and lower stationary contact
Head plays fixed insulation, the Electric Field Distribution of switchgear is more optimized, and reduces busbar shiplap joint quantity, so as to reduce loop
Resistance, while reduce connection branch bus dosage, circuit breaker cart is middle, working stability, reliable, before control room is located at cabinet
Top, arranged independently of high-pressure section, and conveniently connect and overhaul small bus from top, installation and repairing convenience and high-efficiency, improve dimension
Protect processing safety.
Further, pressure release cover plate is provided with the top of described cabinet, as internal arcing failure pressure relief opening, while can be square
Just bus is safeguarded in the installation from top.
Further, described arrester is arranged on the bottom of cabinet, and other primary elements have played in switching devices
The overvoltage protection effect of effect.
Further, described earthed switch is arranged on the dividing plate for separating handcart room and cable vault, for switchgear
Power-off protection is grounded, compact-sized, is occupied little space.
Further, dismountable guide wheel assemblies are connected with described circuit breaker cart, facilitate circuit breaker cart to turn
Fortune and accurate injection, upper and lower contact arm is set to be connected surely with the static contact in upper and lower contact box current transformer
It is fixed, reliable.
Further, described guide wheel assemblies include positioner and be arranged on circuit breaker cart and positioner
The dowel hole of matching, deflecting roller is installed on positioner, and deflecting roller is supported in during positioner insertion dowel hole
Ground simultaneously makes the rear wheel of circuit breaker cart hanging.Deflecting roller can easily carry out any steering, so as to running circuit breaker handcart
Advanced towards predetermined direction, it is ensured that the accurate injection of circuit breaker cart, after circuit breaker cart is directed at handcart track, remove guiding
Wheel assembly, hanging rear wheel restores to the original state, after the handcart room of circuit breaker cart push-on switch equipment, on circuit breaker cart
Wheel occlusion on be fixed on the handcart track in handcart room, it is ensured that handcart contact can reliably, be safely and smoothly plugged into static contact
On.
Further, described dowel hole is arranged on the bottom of circuit breaker cart, and positioner is inserted upwardly into alignment pin
Kong Zhong, it is easy to loading and unloading, can be so that rear wheel vacantly carries out any steering loading onto guide wheel assemblies.
Further, described deflecting roller is located at the bottom of positioner, and steering wheel device is through under positioner
On the axle in portion, the stability of moving process is improved.
Further, described deflecting roller is mounted on an axle by bearing, and there is provided spacer pin to be fixed, mobile
Smooth, stability is good.
Further, action bars is additionally provided with described positioner, simple operation is improved, positioner is put into
The bottom of circuit breaker cart, inserted by pressing operation bar positioner in the dowel hole of circuit breaker cart bottom, together
When deflecting roller circuit breaker cart is supported so that rear wheel is hanging, and can now turn left and right action bars drives deflecting roller
Handcart arbitrarily turns to, then pushes or pulls on action bars and may move handcart towards predetermined direction traveling, and operating flexibility is good, laborsaving convenience.
Compared with prior art, the invention has the advantages that：
Switchgear integral layout of the present invention, rational in infrastructure compact, Maintenance and Repair are convenient, and primary element all collects
In be arranged on the Background Region of cabinet, the low-pressure chamber for being assembled with low-pressure secondary control element be located at top before cabinet, improves and switch
The simple operation of equipment and safety in utilization, reserve enough installations and safeguard space, it is convenient for installation and maintenance, ensure attended operation
Safety；With the circuit breaker cart of middle, and dismountable guide wheel assemblies are used, facilitate circuit breaker cart to transport and accurate
Injection, make upper and lower contact arm with the static contact stable connection in upper and lower contact box current transformer, reliably, subtract
Few operational heat, improve breaker point, the reliability to close a floodgate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of guide wheel assemblies.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
A kind of switchgear integral layout, rationally distributed disclosed in the embodiment of the present invention, improves job stability and reliable
Property, maintenance is maintained easily, is safeguarded safe.
As depicted in figs. 1 and 2, a kind of switchgear integral layout, including cabinet, cabinet inner route clapboard are separated out positioned at cabinet
The bus-bar room 20 of body upper back, positioned at the cable vault 2 of the rear lower of bus-bar room 20, the handcart room 19 positioned at the preceding middle and lower part of cabinet and position
The control room 18 for installing linear quadratic control element at top before cabinet, control room 18, can be from tops independently of high-pressure section arrangement
Portion connects and overhauled small bus, and main bus-bar 16 introduces bus-bar room 20, the one end of branch bus 15 connection of each phase by insulating sleeve 17
To the main bus-bar 16 of corresponding phase, the other end is overlapped to the upper contact head boxlike current transformer 13 being arranged in bus-bar room 20
The upper static contact 14 of corresponding phase, the upper contact arm with the pole 11 of the circuit breaker cart 10 in handcart room 19 again of upper static contact 14
12 detachable electrical connections, the lower contact arm 9 of pole 11 with the lower contact box current transformer 7 in cable vault 2 under it is quiet
Contact 8 detachably electrically connects, and using contact box current transformer, the Electric Field Distribution of switchgear is more optimized, and reduces female
Line overlaps quantity, so as to reduce loop resistance, while reduces connection branch bus dosage, controllable circuit breaker cart 10 after separating brake
Testing position and operating position move forward and backward in handcart room 19, can be powered after the combined floodgate of operating position, lower contact case type electricity
Current transformer 7 is drawn by feeding out bus 3 from the outlet casing tube 1 for being arranged on the top of cable vault 2, and outlet casing tube 1 is to feeding out bus 3
Insulating supporting effect is played, and feeds out bus 3 and insulating supporting, and cable is carried out by the insulator being arranged in cable vault 2
Earthed switch 6 in room 2 is connected with after the parallel connection of arrester 5 with lower contact box current transformer 7, and arrester 5 is arranged on cabinet
Bottom, earthed switch 6, which is arranged on the dividing plate for separating handcart room 19 and cable vault 2, carries out power-off protection ground connection.
Pressure release cover plate 21 is provided with the top of the cabinet of bus-bar room 20, cable vault 2 and handcart room 19, pressure release cover plate is edge
To the metallic plate of upper overturning, the front side of pressure release cover plate is connected with cabinet by metal fixing, and rear side passes through nonmetallic with cabinet
Fixture connects, and gap slot is provided with the flange of pressure release cover plate along the longitudinal direction, gap slot is where metal fixing
Side forms easy bending region.When switchgear meets with short trouble, a large amount of high fever gases at high pressure of short time aggregation, non-in cabinet
Metal fixing structural strength is low to be easily broken off taking the lead in being rushed winged, pressure release cover plate that also surplus side is fixed impact huge in cabinet
The lower generation bending of power effect is deformed, and the high fever gases at high pressure in cabinet are released by the pressure relief device after deformation, avoid exploding
Situation, improve the safety in utilization of switchgear.
Dismountable guide wheel assemblies are connected with circuit breaker cart 10, guide wheel assemblies include positioner 23, positioning
Action bars 22 has also been welded to connect on device 23, has been provided with what is matched with positioner 23 in the bottom of frame of circuit breaker cart 10
Dowel hole 24, deflecting roller 25 are located at the bottom of positioner 23, and the bottom of positioner 23 is provided through axle, and deflecting roller 25 is logical
Cross bearing to be mounted on an axle, and there is provided spacer pin to be fixed.
When needing to transport circuit breaker cart 10, hand-held operation bar 22, deflecting roller 25 and positioner 23 are stretched into open circuit
The lower end of device handcart 10, rotation deflecting roller 25 make positioner 23 be inserted upwardly into the dowel hole 24 of circuit breaker cart 10, down
Press operation bar 22, under the supporting role of deflecting roller 25,10 liang of rear wheels 26 of circuit breaker cart are hanging, can now turn left and right
Action bars 22 makes deflecting roller 25 drive circuit breaker cart arbitrarily to turn to, then pushes or pulls on action bars 22 and may move circuit breaker cart towards pre-
Determine direction traveling.After circuit breaker cart is directed at handcart track, guide wheel assemblies are removed, two hanging rear wheels restore to the original state,
After the handcart room of circuit breaker cart push-on switch equipment, the hand in handcart room is fixed in the wheel occlusion on circuit breaker cart
Track road, under the propulsion of handcart advancing mechanism, the wheel of circuit breaker cart rolls in orbit, guides handcart direction of propulsion,
The upper and lower contact arm on circuit breaker cart is set reliably, to be safely and smoothly plugged into installed in upper and lower contact case type Current Mutual Inductance
On static contact in device, after circuit breaker cart closes a floodgate, the conducting of switchgear primary circuit.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of switchgear integral layout, including cabinet, it is characterised in that described cabinet inner route clapboard is separated out positioned at cabinet
The bus-bar room (20) of body upper back, positioned at the cable vault (2) of bus-bar room (20) rear lower, the handcart room positioned at the preceding middle and lower part of cabinet
(19) control room (18) for installing linear quadratic control element at top, main bus-bar (16) pass through insulating sleeve and before cabinet
(17) be introduced into after bus-bar room (20) overlapped by branch bus (15) it is mutual to the upper contact head boxlike electric current being arranged in bus-bar room (20)
Upper static contact (14) in sensor (13), upper static contact (14) the sealing pole with the circuit breaker cart (10) in handcart room (19) again
The upper contact arm (12) of post (11) detachably electrically connects, lower contact arm (9) and the lower contact box in cable vault (2) of pole (11)
Lower static contact (8) in formula current transformer (7) detachably electrically connects, and lower contact box current transformer (7) is by feeding out mother
Line (3) is drawn from the outlet casing tube (1) being arranged at the top of cable vault (2), and the earthed switch (6) in cable vault (2) is with keeping away
It is connected after thunder device (5) is in parallel with lower contact box current transformer (7).
2. switchgear integral layout according to claim 1, it is characterised in that be provided with pressure release at the top of described cabinet
Cover plate (21).
3. switchgear integral layout according to claim 1, it is characterised in that described arrester (5) is arranged on cabinet
The bottom of body.
4. switchgear integral layout according to claim 1, it is characterised in that described earthed switch (6) is arranged on
On the dividing plate for separating handcart room (19) and cable vault (2).
5. switchgear integral layout according to claim 1, it is characterised in that connect on described circuit breaker cart (10)
It is connected to dismountable guide wheel assemblies.
6. switchgear integral layout according to claim 5, it is characterised in that described guide wheel assemblies include positioning
Device (23) and the dowel hole (24) matched with positioner (23) being arranged on circuit breaker cart (10), positioner
(23) deflecting roller (25) is installed on, and deflecting roller (25) is supported in ground during positioner (23) insertion dowel hole (24)
And make the rear wheel (26) of circuit breaker cart (10) hanging.
7. switchgear integral layout according to claim 6, it is characterised in that described dowel hole (24) is arranged on
The bottom of circuit breaker cart (10), positioner (23) are inserted upwardly into dowel hole (24).
8. switchgear integral layout according to claim 6, it is characterised in that described deflecting roller (25) is positioned at positioning
The bottom of device (23), deflecting roller (25) device is on the axle through positioner (23) bottom.
9. switchgear integral layout according to claim 8, it is characterised in that described deflecting roller (25) passes through bearing
It is mounted on an axle, and there is provided spacer pin to be fixed.
10. switchgear integral layout according to claim 6, it is characterised in that on described positioner (23) also
It is provided with action bars (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957048.5A CN107785807A (en) | 2017-10-16 | 2017-10-16 | A kind of switchgear integral layout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957048.5A CN107785807A (en) | 2017-10-16 | 2017-10-16 | A kind of switchgear integral layout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107785807A true CN107785807A (en) | 2018-03-09 |
Family
ID=61433583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710957048.5A Pending CN107785807A (en) | 2017-10-16 | 2017-10-16 | A kind of switchgear integral layout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107785807A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767726A (en) * | 2018-07-27 | 2018-11-06 | 四川电器集团股份有限公司 | A kind of 40.5kV switch apparatus systems |
| CN114062874A (en) * | 2021-11-18 | 2022-02-18 | 中国核动力研究设计院 | Load insulation test leading-out device for reactor switch cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19803476C1 (en) * | 1998-01-29 | 1999-10-07 | Driescher Eltech Werk | Switching panel in insertable form, esp. for power switching |
| CN202210646U (en) * | 2011-09-27 | 2012-05-02 | 成都振中电气有限公司 | 40.5 kV metal-armored withdrawable switching equipment applied to high altitude environment |
| CN102738726A (en) * | 2012-07-17 | 2012-10-17 | 遵义长征电器设备有限责任公司 | Indoor high-voltage switch cabinet |
| CN102738725A (en) * | 2012-06-29 | 2012-10-17 | 遵义长征电器防爆设备责任有限公司 | Medium-voltage switch cabinet set |
| CN202657068U (en) * | 2012-06-26 | 2013-01-09 | 四川电器成套设备有限公司 | Steering device for handcart |
-
2017
- 2017-10-16 CN CN201710957048.5A patent/CN107785807A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19803476C1 (en) * | 1998-01-29 | 1999-10-07 | Driescher Eltech Werk | Switching panel in insertable form, esp. for power switching |
| CN202210646U (en) * | 2011-09-27 | 2012-05-02 | 成都振中电气有限公司 | 40.5 kV metal-armored withdrawable switching equipment applied to high altitude environment |
| CN202657068U (en) * | 2012-06-26 | 2013-01-09 | 四川电器成套设备有限公司 | Steering device for handcart |
| CN102738725A (en) * | 2012-06-29 | 2012-10-17 | 遵义长征电器防爆设备责任有限公司 | Medium-voltage switch cabinet set |
| CN102738726A (en) * | 2012-07-17 | 2012-10-17 | 遵义长征电器设备有限责任公司 | Indoor high-voltage switch cabinet |
Non-Patent Citations (2)
| Title |
|---|
| 唐正根等: "高压开关柜内部燃弧故障防范探索", 《江西电力》 * |
| 蒋国元: "6kV ZS1型铠装式金属封闭开关柜", 《WWER-1000核电机械与电气》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767726A (en) * | 2018-07-27 | 2018-11-06 | 四川电器集团股份有限公司 | A kind of 40.5kV switch apparatus systems |
| CN108767726B (en) * | 2018-07-27 | 2023-05-23 | 四川电器集团股份有限公司 | 40.5kV switchgear system |
| CN114062874A (en) * | 2021-11-18 | 2022-02-18 | 中国核动力研究设计院 | Load insulation test leading-out device for reactor switch cabinet |
| CN114062874B (en) * | 2021-11-18 | 2024-05-07 | 中国核动力研究设计院 | Load insulation test leading-out device for reactor switch cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |
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| RJ01 | Rejection of invention patent application after publication |