CN203193169U - Double-bus switch cabinet - Google Patents
Double-bus switch cabinet Download PDFInfo
- Publication number
- CN203193169U CN203193169U CN 201320154004 CN201320154004U CN203193169U CN 203193169 U CN203193169 U CN 203193169U CN 201320154004 CN201320154004 CN 201320154004 CN 201320154004 U CN201320154004 U CN 201320154004U CN 203193169 U CN203193169 U CN 203193169U
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- isolating switch
- chamber
- standby
- main
- electrically connected
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Abstract
The utility model relates to the technical field of high tension switchgear, especially to a double-bus switch cabinet. An accommodating cavity formed in a cabinet body is divided into a main isolation switch chamber, a standby isolation switch chamber, a breaker chamber and a cable chamber by separator plates, wherein the cable chamber is positioned on the bottom of the accommodating cavity, the main isolation switch chamber and the standby isolation switch chamber are positioned on the top of the accommodating cavity, the main isolation switch chamber comprises a main isolation switch and a main isolation switch electrically connected with the inlet wire end, the standby isolation switch chamber comprises a standby isolation switch and a standby isolation switch electrically connected with the inlet wire end, the outlet wire ends of the two isolation switches are electrically connected, upper contacts electrically connected with the outlet wire end are arranged in the main and standby isolation switch chambers, lower contacts electrically connected with an outlet busbar are arranged in the cable chamber, a breaker is arranged in the breaker chamber, one end of the breaker is electrically connected with the upper contact, and the other end of the breaker is electrically connected with lower contacts. The double-bus switch cabinet is reasonable in structural design, and excellent in pressure releasing effect.
Description
Technical field
The utility model relates to the high voltage power distributing cabinet technical field, particularly a kind of double-bus switch cubicle.
Background technology
Fast development along with complete switch assembling industry, in the secondary substation of especially important large industrial enterprise, regional electric substation, power stepdown substation, power plant and the big-and-middle-sized experiment station more than 20MVA application increase gradually, the double-bus high-voltage board is big with its power supply reliability, can overhaul bus in turn and not make power failure, and have advantages such as scheduling, enlarging, maintenance be convenient and adopted in a large number.
At present, domestic double-bus high-voltage board kind is a lot, but that the position of inner each chamber of ubiquity arranges is unreasonable, volume is bigger, for example the height of main isolating switch chamber, standby isolating switch chamber is generally at 1900mm-2000mm, isolating switch is safeguarded problems such as inconvenience, main primary equipment compartment do not have pressure release passage, and anti-internal arc grade is low; The isolator operating mechanism operating physical force is big in addition, mostly is external, and it is many to adjust link, and randomness is big, is difficult to guarantee the consistency adjusted, inconvenient Installation and Debugging; Meanwhile, also have shortcomings such as profile is not attractive in appearance, these factors all influence and are restricting popularization and the use of double-bus high-voltage board.
In order to overcome the above problems, the utility model has been done useful improvement.
The utility model content
(1) technical problem that will solve
The purpose of this utility model is to have overcome in the prior art each chamber location unreasonable, pressure relief device to be set irrational problem is set, and a kind of double-bus switch cubicle of each chamber compact in design is provided.
(2) technical scheme
The utility model is achieved through the following technical solutions:
A kind of double-bus switch cubicle, comprise cabinet, main inlet wire busbar, standby inlet wire busbar and outlet busbar, cavity is held in one of the inner formation of described cabinet, the described cavity that holds is separated with main isolating switch chamber, standby isolating switch chamber, breaker chamber and cable vault through the dividing plate branch, described cable vault is positioned at the described bottom that holds cavity, and described main isolating switch chamber and described standby isolating switch chamber are positioned at the described top that holds cavity;
Indoor described main inlet wire busbar and the main isolating switch of being provided with of described main isolating switch, the end of incoming cables of described main isolating switch is electrically connected with described main inlet wire busbar;
Indoor described standby inlet wire busbar and the standby isolating switch of being provided with of described standby isolating switch, the end of incoming cables of described standby isolating switch is electrically connected with described standby inlet wire busbar;
The leading-out terminal of described main isolating switch is electrically connected with the leading-out terminal of described standby isolating switch;
The indoor upper contact head that also is provided with of described main isolating switch, described upper contact head is electrically connected with the leading-out terminal of described main isolating switch; Perhaps, the indoor upper contact head that also is provided with of described standby isolating switch, described upper contact head is electrically connected with the leading-out terminal of described standby isolating switch;
Be provided with described outlet busbar and following contact in the described cable vault, described contact down is electrically connected with described outlet busbar;
Be provided with circuit breaker in the described breaker chamber, an end of described circuit breaker is electrically connected with described upper contact head, and the other end of described circuit breaker is electrically connected with described contact down.
Further, described main isolating switch chamber is provided with for first pressure relief device that discharges arcing energy, described standby isolating switch chamber is provided with for second pressure relief device that discharges arcing energy, described breaker chamber is provided with for the 3rd pressure relief device that discharges arcing energy, and described cable vault is provided with for the 4th pressure relief device that discharges arcing energy.
Further, described first pressure relief device is located at the top of described main isolating switch chamber, and described second pressure relief device is located at the top of described standby isolating switch chamber.
Further, be provided with a pressure release passage between the top of described cable vault and described cabinet, described the 3rd pressure relief device is located at the top of described pressure release passage.
Further, the top of described breaker chamber contacts with outside atmosphere, and described the 4th pressure relief device is located at the top of described breaker chamber.
Further, the described cavity that holds is separated with little bus-bar room and control room interior also the branch through dividing plate.
Further, the height of described main isolating switch chamber be more than or equal to 1450 millimeters smaller or equal to 1500 millimeters, the height of described standby isolating switch chamber is smaller or equal to 1500 millimeters more than or equal to 1450 millimeters.
Further, described outlet busbar is provided with current transformer.
Further, be arranged with insulating sleeve on the circuit that is electrically connected between the leading-out terminal of the leading-out terminal of described main isolating switch and described standby isolating switch.
Further, also be provided with main isolator operation handgrip and standby isolator operation handgrip on the described cabinet, described main isolator operation handgrip is connected with the combined floodgate operating mechanism of described main isolating switch through connecting rod, and described standby isolator operation handgrip is connected with the combined floodgate operating mechanism of described standby isolating switch through connecting rod.
(3) beneficial effect
Compare with product with prior art, the utility model has following advantage:
1, inner each the cavity location layout of cabinet is reasonable, and compact conformation can reduce cabinet volume of the present utility model very easily, has reduced the height of cabinet significantly;
2, hold each chamber of cavity inside and be equipped with pressure relief device, therefore the internal arc to each chamber all has pressure release ability preferably, and the setting by rational pressure release passage, make the pressure relief device of each chamber all have opening up, that is to say that explosion time can all not provide high-grade as far as possible security protection to equipment and personnel towards personnel's direction;
3, further, can also by the main isolator operation handgrip that arranges on the cabinet and standby isolator operation handgrip control isolating switch deciliter, easy to operate.
Description of drawings
Fig. 1 is the utility model double-bus switch cubicle left side TV structure schematic diagram;
Fig. 2 is arrangements of elements schematic diagram in the utility model cabinet;
Fig. 3 is that action bars of the present utility model is arranged schematic diagram.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, cabinet, 2, hold cavity, 3, main isolating switch chamber, 4, standby isolating switch chamber, 5, breaker chamber, 6, the cable vault, 7, little bus-bar room, 8, the control room;
301, main inlet wire busbar, 302, main isolating switch, 303, upper contact head, 304, insulating sleeve;
401, standby inlet wire busbar, 402, standby isolating switch;
501, circuit breaker;
601, following contact, 602, the outlet busbar, 603, current transformer, 604, earthed switch, 605, lightning arrester;
300, first pressure relief device, 400, second pressure relief device, the 500, the 3rd pressure relief device, the 600, the 4th pressure relief device;
101, main isolator operation handgrip, 102, standby isolator operation handgrip, 103, earthed switch operator handle, 104, axostylus axostyle, 105, fork.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
Fig. 1, Fig. 2 are left TV structure schematic diagram of the present utility model, and what Fig. 1 mainly illustrated is the position of inner each chamber, and what Fig. 2 mainly illustrated is the structure connection of inner each electric component.The utility model comprises cabinet 1, cavity 2 is held in cabinet 1 one of inner formation, hold cavity 2 and be separated with main isolating switch chamber 3, standby isolating switch chamber 4, breaker chamber 5 and cable vault 6 through the dividing plate branch, the top that holds cavity 2 is provided with main isolating switch chamber 3 and standby isolating switch chamber 4 side by side, and the bottom that holds cavity 2 is provided with cable vault 6.
Be provided with main inlet wire busbar 301 and main isolating switch 302 in the main isolating switch chamber 3, main inlet wire busbar 301 is electrically connected with the end of incoming cables of main isolating switch 302 by cable or main split's bus;
Be provided with standby inlet wire busbar 401 and standby isolating switch 402 in the standby isolating switch chamber 4, standby inlet wire busbar 401 is electrically connected with the end of incoming cables of standby isolating switch 402 by cable or candidate branch bus;
Then, the leading-out terminal of the leading-out terminal of main isolating switch 302 and standby isolating switch 402 couples together by middle busbar; Busbar passes main isolating switch chamber 3 and standby isolating switch chamber 4 possibly in the middle of considering, therefore pass the position of the dividing plate between main isolating switch chamber 3 and the standby isolating switch chamber 4 at middle busbar, be with an insulating sleeve 304, to strengthen the fail safe of equipment.Certainly, also can directly adopt thicker cable that the leading-out terminal of above-mentioned two isolating switches is interconnected.
Also be provided with upper contact head 303 in the main isolating switch chamber 3, upper contact head 303 is electrically connected with the leading-out terminal of main isolating switch 302, can be as shown in Figure 1 such, with the leading-out terminal of standby isolating switch 402, upper contact head 303 all is connected to main isolating switch 302 by cable leading-out terminal;
Be provided with down contact 601 in the cable vault 6, following contact 601 is connected with outlet busbar 602, can be provided with current transformer 603 on the outlet busbar 602, but also can be provided with the protection component such as earthed switch 604, lightning arrester 605 of actuating;
Be provided with circuit breaker 501 in the breaker chamber 5, an end of circuit breaker 501 is electrically connected with upper contact head 303, and the other end of circuit breaker 501 is electrically connected with following contact 601.In general, circuit breaker 501 general preferred employing handcart type breaker forms are more convenient, pull out handcart when switch disconnects and get final product, and are easy to use, also are convenient to form the electrical interlock safeguard protection jointly with other electric components.
Because main isolating switch chamber 3 and standby isolating switch chamber 4 all are positioned at the top that holds cavity 2, therefore can directly be provided with at the top of main isolating switch chamber 3 for first pressure relief device 300 that discharges arcing energy, the top of standby isolating switch chamber 4 is provided with for second pressure relief device 400 that discharges arcing energy;
The top of breaker chamber 5 also is provided with little bus-bar room 7 and control room 8, but little bus-bar room 7 and control room 8 do not cover the top of breaker chamber 5 fully, make the top of breaker chamber 5 have at least a part to contact with outside atmosphere, the part that directly contacts at this and atmosphere is provided with for the 3rd pressure relief device 500 that discharges arcing energy;
First pressure relief device 300 that the front is alleged, second pressure relief device 400, the 3rd pressure relief device 500, the 4th pressure relief device 600 can be the pressure relief device of valve structure, particularly, for example for main isolating switch chamber 3, the valve that can upwards split is installed at cabinet 1 top, each valve is hinged to the top of cabinet, when the 3 arcing pressure releases of main isolating switch chamber, the high pressure gas that produces in the main isolating switch chamber 3 is known from experience in abrupt release, its impulsive force rushes at the weak part of strength naturally, owing to be the dividing plate of sealing around this chamber, gases at high pressure can overcome the gravity of valve self naturally, moment is upwards washed valve open, internal pressure is discharged, and namely pressure discharges from first pressure relief device 300.
The area size that the area of considering pressure release passage 606 of the present invention and breaker chamber 5 tops contact with atmosphere as shown in Figure 1, can arrange first pressure relief device 300 and second pressure relief device 400 is made as the opposite opened valve, and the area when it is opened is relatively large; The 3rd pressure relief device 500 and the 4th pressure relief device 600 are made as the single open-type valve, and the area when it is opened is less relatively.
In order to operate this double-bus switch cubicle more easily, as shown in Figure 3, can be provided with main isolator operation handgrip 101, standby isolator operation handgrip 102 and earthed switch operator 103 by cabinet 1, main isolator operation handgrip 101 drives the combined floodgate operating mechanism of main isolating switch 302 through one group of mechanical transmission mechanism, finishes combined floodgate or the separating brake of main isolating switch 302; Standby isolator operation handgrip 102 is organized the combined floodgate operating mechanism that independent mechanical transmission mechanism drives standby isolating switch 402 through another, finishes combined floodgate or the separating brake of standby isolating switch 402; The earthed switch operator also is connected 103 with earthed switch 604 through own independent mechanical transmission mechanism, and then finishes the action of earthed switch 604.Here said mechanical transmission mechanism, those skilled in the art can design various ways, for example, rotate main isolator operation handgrip 103 with hand, drive a coupled axostylus axostyle 104 rotations, the rotation of this axostylus axostyle 104 drives the fork 105 that is contained in these axostylus axostyle 104 other ends again and put certain angle, this fork 105 and then drive the combined floodgate operating mechanism action of main isolating switch 302 the insides again.Can also be similar applicant at number of patent application be that the operating mechanism mentioned in 201120537191.7 is such, drive main shaft by adapter sleeve, realize accurate operation to isolating switch through tie component again, operate accurately laborsavingly, and have chain function.
Certainly, in technical scope known to those skilled in the art, said structure can also be made rational variation, such as the direction transposing, for instance, breaker chamber 5 can also be arranged on the left side of standby isolating switch chamber 4 among Fig. 1, pressure release passage 606 is changed to the right side of main isolating switch chamber 3 among Fig. 1, this moment, upper contact head 303 should preferably be arranged in the standby isolating switch chamber 4 so, corresponding, upper contact head 303 is connected by cable with the leading-out terminal of standby isolating switch 402.
In addition, convenience when existing double-bus cabinet is observed for the people, the cabinet whole height is higher, generally design at 3200mm, wherein the height of main bus bar chamber reaches 1900-2000mm, the utility model also can further move down element integral body such as the isolating switch in main isolating switch chamber 3 and the standby isolating switch chamber 4 and busbar, finally make the height of winner isolating switch chamber 3 and standby isolating switch chamber 4 between 1450-1500mm, the control of cupboard whole height below 2700mm, is so further obtained the small and exquisite double-bus switch cubicle of cabinet.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. double-bus switch cubicle, comprise cabinet, main inlet wire busbar, standby inlet wire busbar and outlet busbar, cavity is held in one of the inner formation of described cabinet, it is characterized in that: the described cavity that holds is separated with main isolating switch chamber, standby isolating switch chamber, breaker chamber and cable vault through the dividing plate branch, described cable vault is positioned at the described bottom that holds cavity, and described main isolating switch chamber and described standby isolating switch chamber are positioned at the described top that holds cavity;
Indoor described main inlet wire busbar and the main isolating switch of being provided with of described main isolating switch, the end of incoming cables of described main isolating switch is electrically connected with described main inlet wire busbar;
Indoor described standby inlet wire busbar and the standby isolating switch of being provided with of described standby isolating switch, the end of incoming cables of described standby isolating switch is electrically connected with described standby inlet wire busbar;
The leading-out terminal of described main isolating switch is electrically connected with the leading-out terminal of described standby isolating switch;
The indoor upper contact head that also is provided with of described main isolating switch, described upper contact head is electrically connected with the leading-out terminal of described main isolating switch; Perhaps, the indoor upper contact head that also is provided with of described standby isolating switch, described upper contact head is electrically connected with the leading-out terminal of described standby isolating switch;
Be provided with described outlet busbar and following contact in the described cable vault, described contact down is electrically connected with described outlet busbar;
Be provided with circuit breaker in the described breaker chamber, an end of described circuit breaker is electrically connected with described upper contact head, and the other end of described circuit breaker is electrically connected with described contact down.
2. double-bus switch cubicle according to claim 1, it is characterized in that: described main isolating switch chamber is provided with for first pressure relief device that discharges arcing energy, described standby isolating switch chamber is provided with for second pressure relief device that discharges arcing energy, described breaker chamber is provided with for the 3rd pressure relief device that discharges arcing energy, and described cable vault is provided with for the 4th pressure relief device that discharges arcing energy.
3. double-bus switch cubicle according to claim 2, it is characterized in that: described first pressure relief device is located at the top of described main isolating switch chamber, and described second pressure relief device is located at the top of described standby isolating switch chamber.
4. double-bus switch cubicle according to claim 2, it is characterized in that: be provided with a pressure release passage between the top of described cable vault and described cabinet, described the 3rd pressure relief device is located at the top of described pressure release passage.
5. double-bus switch cubicle according to claim 2, it is characterized in that: the top of described breaker chamber contacts with outside atmosphere, and described the 4th pressure relief device is located at the top of described breaker chamber.
6. double-bus switch cubicle according to claim 1 is characterized in that: described hold in the cavity also to divide through dividing plate be separated with little bus-bar room and control room.
7. double-bus switch cubicle according to claim 1, it is characterized in that: the height of described main isolating switch chamber for more than or equal to 1450 millimeters smaller or equal to 1500 millimeters, the height of described standby isolating switch chamber is smaller or equal to 1500 millimeters more than or equal to 1450 millimeters.
8. double-bus switch cubicle according to claim 1, it is characterized in that: described outlet busbar is provided with current transformer.
9. double-bus switch cubicle according to claim 1 is characterized in that: be arranged with insulating sleeve on the circuit that is electrically connected between the leading-out terminal of described main isolating switch and the leading-out terminal of described standby isolating switch.
10. according to the arbitrary described double-bus switch cubicle of claim 1 to 9, it is characterized in that: also be provided with main isolator operation handgrip and standby isolator operation handgrip on the described cabinet, described main isolator operation handgrip is connected with the combined floodgate operating mechanism of described main isolating switch through connecting rod, and described standby isolator operation handgrip is connected with the combined floodgate operating mechanism of described standby isolating switch through connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154004 CN203193169U (en) | 2013-03-29 | 2013-03-29 | Double-bus switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154004 CN203193169U (en) | 2013-03-29 | 2013-03-29 | Double-bus switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193169U true CN203193169U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320154004 Expired - Fee Related CN203193169U (en) | 2013-03-29 | 2013-03-29 | Double-bus switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193169U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005032A (en) * | 2014-12-11 | 2017-08-01 | 三菱电机株式会社 | Switching device |
| CN110620346A (en) * | 2019-10-30 | 2019-12-27 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
| CN112154581A (en) * | 2018-05-24 | 2020-12-29 | 三菱电机株式会社 | Gas-insulated switchgear |
-
2013
- 2013-03-29 CN CN 201320154004 patent/CN203193169U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005032A (en) * | 2014-12-11 | 2017-08-01 | 三菱电机株式会社 | Switching device |
| CN112154581A (en) * | 2018-05-24 | 2020-12-29 | 三菱电机株式会社 | Gas-insulated switchgear |
| CN112154581B (en) * | 2018-05-24 | 2022-04-08 | 三菱电机株式会社 | Gas-insulated switchgear |
| CN110620346A (en) * | 2019-10-30 | 2019-12-27 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20160329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |