CN110620346A - High-voltage switch cabinet structure - Google Patents
High-voltage switch cabinet structure Download PDFInfo
- Publication number
- CN110620346A CN110620346A CN201911043424.5A CN201911043424A CN110620346A CN 110620346 A CN110620346 A CN 110620346A CN 201911043424 A CN201911043424 A CN 201911043424A CN 110620346 A CN110620346 A CN 110620346A
- Authority
- CN
- China
- Prior art keywords
- chamber
- switch cabinet
- pressure relief
- cabinet body
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006837 decompression Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model provides a high tension switchgear structure, is connected with the cabinet bottom plate bottom the cubical switchboard body, is provided with first pressure release passageway and second pressure release passageway on the intermediate position of cubical switchboard body, and first pressure release passageway and second pressure release passageway upper end all are connected with the pressure release top cap, from the top down has set gradually reserve bus-bar room, isolation chamber and the room of being qualified for the next round of competitions on the cubical switchboard body of first pressure release passageway one side. According to the invention, the main bus chamber, the standby bus chamber and the two pressure relief channels are arranged at the upper part of the switch cabinet body, the breaker chamber and the isolation chamber are arranged at the middle part of the switch cabinet body, the control chamber and the wire outlet chamber are arranged at the lower part of the switch cabinet body, so that the switch cabinet has good fault isolation performance, the breaker chamber and the isolation chamber can be respectively relieved by the first pressure relief channel and the second pressure relief channel, the switch cabinet can effectively release high-pressure gas generated by an arc fault in the cabinet body, the cabinet body elements are protected, and the accident expansion is avoided.
Description
Technical Field
The invention relates to a switch cabinet for high-voltage power distribution, in particular to a high-voltage switch cabinet structure.
Background
At present, a plurality of problems are exposed in the actual operation of the high-voltage switch cabinet, and the improvement of the power supply reliability is restricted: firstly, the cabinet body space ventilation radiating effect is general, and when the operation reached more than 80% rated current, the temperature rise generally exceeded 70K's national standard requirement. Secondly, the switch cabinet needs to be maintained and overhauled when power is cut off; when components in the current transformer and the like are replaced, power failure is required. Thirdly, the load cannot be flexibly adjusted among all sections of buses. Fourthly, the switch cabinet fails to be isolated and restored quickly, and even the whole bus is powered off.
Disclosure of Invention
The invention aims to provide a high-voltage switch cabinet structure which has the advantages of good fault isolation performance, pressure relief through a pressure relief channel, no influence on power supply during maintenance and capability of solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high tension switchgear structure, includes the cubical switchboard body, cubical switchboard body bottom is connected with the cabinet bottom plate, is provided with first pressure release passageway and second pressure release passageway on the intermediate position of cubical switchboard body, and first pressure release passageway and second pressure release passageway upper end all are connected with the pressure release top cap, and reserve bus-bar room, isolation chamber and the room of being qualified for the next round of competitions have set gradually under from the top on the cubical switchboard body of first pressure release passageway one side, are provided with main bus-bar room, circuit breaker room and control room on the cubical switchboard body of one side of second pressure release passageway, the lower extreme of the room of being qualified for the next round of competitions and control room links to each other with the upper.
Preferably, the spare bus chamber and the main bus chamber are respectively provided with a spare bus and a main bus.
Preferably, an isolating switch is installed in the isolating chamber, and the isolating switch is electrically connected with the standby bus.
Preferably, the breaker chamber is internally provided with a breaker, and the breaker is connected with a main bus wire.
Preferably, a mutual inductor is installed on one side of the control room, and the mutual inductor is electrically connected with the isolating switch and the circuit breaker.
Preferably, the isolating switch and the circuit breaker both adopt development type contacts.
Compared with the prior art, the main bus chamber, the standby bus chamber and the two pressure relief channels are arranged on the upper portion of the switch cabinet body, the breaker chamber and the isolation chamber are arranged in the middle of the switch cabinet body, the control chamber and the wire outlet chamber are arranged on the lower portion of the switch cabinet body, each function chamber is separated and has good fault isolation performance, the standby bus chamber and the main bus chamber can relieve pressure through the cabinet top, the cabinet bottom plate is used for relieving pressure of the wire outlet chamber, the breaker chamber and the isolation chamber can relieve pressure through the first pressure relief channel and the second pressure relief channel respectively, the switch cabinet can effectively release high-pressure gas generated by arc faults in the cabinet body, cabinet body elements are protected, accident expansion is avoided, and during maintenance, the main bus and the standby bus are switched to use in an equipotential mode, and maintenance can be carried out.
Drawings
Fig. 1 is an overall structural view of the present invention.
In the figure: 1. a switch cabinet body; 11. a first pressure relief passage; 12. a second pressure relief passage; 13. a cabinet base plate; 14. a pressure relief cap; 2. a spare bus chamber; 21. a spare bus; 3. an isolation chamber; 31. an isolating switch; 4. a wire outlet chamber; 5. a main bus bar chamber; 51. a main bus; 6. a circuit breaker chamber; 61. a circuit breaker; 7. a control room; 71. a transformer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a high voltage switch cabinet structure comprises a switch cabinet body 1, a cabinet bottom plate 13 is connected to the bottom of the switch cabinet body 1, the cabinet bottom plate 13 is used for bottom pressure relief, a first pressure relief channel 11 and a second pressure relief channel 12 are arranged in the middle of the switch cabinet body 1, the upper ends of the first pressure relief channel 11 and the second pressure relief channel 12 are both connected with a pressure relief top cover 14, a top cover plate of the switch cabinet body 1 is used for upper pressure relief, a standby bus chamber 2, an isolation chamber 3 and a wire outlet chamber 4 are sequentially arranged on the switch cabinet body 1 at one side of the first pressure relief channel 11 from top to bottom, a main bus chamber 5, a breaker chamber 6 and a control chamber 7 are arranged on the switch cabinet body 1 at one side of the second pressure relief channel 12, each function chamber is separated and has good fault isolation performance, a standby bus 21 and a main bus 51 are respectively arranged in the standby bus chamber 2 and the main, during conventional power supply, the circuit breaker 61 and the mutual inductor 71 are connected to an outgoing cable through a main bus 51 for power supply, for example, the main bus 51 and the circuit breaker 61 are overhauled, the standby bus 21 can be used for power supply, the standby bus 21, the isolating switch 31 and the mutual inductor 71 are used for power supply to the outgoing cable, the isolating switch 31 is installed in the isolating chamber 3, the isolating switch 31 is electrically connected with the standby bus 21, the circuit breaker 61 is installed in the circuit breaker chamber 6, the circuit breaker 61 is in electric wire connection with the main bus 51, the circuit breaker chamber 6 and the isolating chamber 3 can be respectively decompressed through a first decompression channel 11 and a second decompression channel 12, the switch cabinet can effectively release high-pressure gas generated by an internal combustion arc fault of the cabinet body to protect the cabinet body elements and avoid accident enlargement, the mutual inductor 71 is installed on one side of the control chamber 7, the mutual inductor 71 is electrically connected with the, can the direct observation fracture, can direct infrared monitoring fracture temperature and cabinet body heat dissipation condition, the lower extreme of the room 4 and the control room 7 of being qualified for the next round of competitions links to each other with the upper surface of cabinet bottom plate 13, cabinet bottom plate 13 is used for being qualified for the next round of competitions 4 pressure release of room, when overhauing circuit breaker 61, can supply power with main bus 51 and reserve bus 21, equipotential and isolator 31 power supply, subdividing circuit breaker 61, shake out circuit breaker 61 handcart realization and not have a power failure and overhaul circuit breaker 61, realize the switching use of equipotential between main bus 51 and the reserve bus 21.
The working process is as follows: during conventional power supply, the circuit breaker 61 and the mutual inductor 71 are connected through the main bus 51 to supply power to an outgoing cable, if the main bus 51 and the circuit breaker 61 are overhauled, the standby bus 21 can be used for supplying power, the standby bus 21, the isolating switch 31 and the mutual inductor 71 are used for supplying power to the outgoing cable, when the circuit breaker 61 is overhauled, the main bus 51 and the standby bus 21 can be used for supplying power, the equipotential and isolating switch 31 and the circuit breaker 61 are separated, the handcart of the circuit breaker 61 is shaken out to realize the maintenance of the circuit breaker 61 without power outage, the equipotential between the main bus 51 and the standby bus 21 is switched for use, the standby bus chamber 2 and the main bus chamber 5 can be decompressed through the cabinet top, the cabinet bottom plate 13 is used for decompressing the outgoing chamber 4, the circuit breaker chamber 6 and the isolating chamber 3 can be decompressed through the first decompression channel 11 and the second decompression channel, the cabinet body elements are protected, and the accident is prevented from being expanded.
In summary, the following steps: according to the invention, the main bus chamber 5, the standby bus chamber 2 and the two pressure relief channels are arranged on the upper part of the switch cabinet body 1, the breaker chamber 6 and the isolation chamber 3 are arranged in the middle part of the switch cabinet body 1, the control chamber 7 and the wire outlet chamber 4 are arranged on the lower part of the switch cabinet body 1, and each function chamber is separated and has good fault isolation performance, the standby bus chamber 2 and the main bus chamber 5 can be relieved through the cabinet top, the cabinet bottom plate 13 is used for relieving the pressure of the wire outlet chamber 4, the breaker chamber 6 and the isolation chamber 3 can be respectively relieved through the first pressure relief channel 11 and the second pressure relief channel 12, the switch cabinet can effectively release high-pressure gas generated by an internal combustion arc fault of the cabinet body, the cabinet body elements are protected, the accident is prevented from being expanded, and during maintenance, the equipotential switching between the main bus 51 and.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high tension switchgear structure, includes cubical switchboard body (1), its characterized in that: the switch cabinet is characterized in that a cabinet bottom plate (13) is connected to the bottom of a switch cabinet body (1), a first pressure relief channel (11) and a second pressure relief channel (12) are arranged in the middle of the switch cabinet body (1), the upper ends of the first pressure relief channel (11) and the second pressure relief channel (12) are connected with a pressure relief top cover (14), a standby bus chamber (2), an isolation chamber (3) and an outlet chamber (4) are sequentially arranged on the switch cabinet body (1) on one side of the first pressure relief channel (11), a main bus chamber (5), a breaker chamber (6) and a control chamber (7) are arranged on the switch cabinet body (1) on one side of the second pressure relief channel (12), and the lower ends of the outlet chamber (4) and the control chamber (7) are connected with the upper surface of the cabinet bottom plate (13).
2. A high voltage switchgear arrangement according to claim 1, characterized in that: and a standby bus (21) and a main bus (51) are respectively arranged in the standby bus chamber (2) and the main bus chamber (5).
3. A high voltage switchgear arrangement as claimed in claim 2, characterized in that: and an isolating switch (31) is installed in the isolating chamber (3), and the isolating switch (31) is electrically connected with the standby bus (21).
4. A high voltage switchgear arrangement according to claim 3, characterized in that: and a breaker (61) is installed in the breaker chamber (6), and the breaker (61) is in electric wire connection with the main bus (51).
5. The high-voltage switchgear structure according to claim 4, wherein: and a mutual inductor (71) is installed on one side of the control room (7), and the mutual inductor (71) is electrically connected with the isolating switch (31) and the circuit breaker (61).
6. A high voltage switchgear arrangement as claimed in any of claims 1 to 5, characterized in that: the isolating switch (31) and the breaker (61) both adopt open-type contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043424.5A CN110620346A (en) | 2019-10-30 | 2019-10-30 | High-voltage switch cabinet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043424.5A CN110620346A (en) | 2019-10-30 | 2019-10-30 | High-voltage switch cabinet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110620346A true CN110620346A (en) | 2019-12-27 |
Family
ID=68926997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911043424.5A Pending CN110620346A (en) | 2019-10-30 | 2019-10-30 | High-voltage switch cabinet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110620346A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884064A (en) * | 2020-07-13 | 2020-11-03 | 安徽和光电气设备有限公司 | Armored movable metal-enclosed switch power cabinet and wiring method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203119377U (en) * | 2013-04-01 | 2013-08-07 | 天安电气集团浙江电气有限公司 | Double-bus gas-insulated metal-enclosed switchgear |
| CN203193169U (en) * | 2013-03-29 | 2013-09-11 | 刘凯平 | Double-bus switch cabinet |
| CN109286140A (en) * | 2018-10-31 | 2019-01-29 | 益和电气集团股份有限公司 | A kind of double-bus high-tension switch cabinet |
| CN110198007A (en) * | 2019-07-11 | 2019-09-03 | 广东电网有限责任公司 | Integrated high pressure switchgear |
| CN110212443A (en) * | 2019-07-11 | 2019-09-06 | 广东电网有限责任公司 | Separate type high-tension switch cabinet |
| CN210490250U (en) * | 2019-10-30 | 2020-05-08 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
-
2019
- 2019-10-30 CN CN201911043424.5A patent/CN110620346A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203193169U (en) * | 2013-03-29 | 2013-09-11 | 刘凯平 | Double-bus switch cabinet |
| CN203119377U (en) * | 2013-04-01 | 2013-08-07 | 天安电气集团浙江电气有限公司 | Double-bus gas-insulated metal-enclosed switchgear |
| CN109286140A (en) * | 2018-10-31 | 2019-01-29 | 益和电气集团股份有限公司 | A kind of double-bus high-tension switch cabinet |
| CN110198007A (en) * | 2019-07-11 | 2019-09-03 | 广东电网有限责任公司 | Integrated high pressure switchgear |
| CN110212443A (en) * | 2019-07-11 | 2019-09-06 | 广东电网有限责任公司 | Separate type high-tension switch cabinet |
| CN210490250U (en) * | 2019-10-30 | 2020-05-08 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884064A (en) * | 2020-07-13 | 2020-11-03 | 安徽和光电气设备有限公司 | Armored movable metal-enclosed switch power cabinet and wiring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211223 Address after: 511517 floors 2-4, comprehensive building of Guangdong Beijiang Switchgear Factory, No. 7 District, economic development zone, Qingyuan City, Guangdong Province Applicant after: Qingyuan Xinneng Power Engineering Co.,Ltd. high tech Division Address before: 511500 No. 15, Jianshe Second Road, high tech Industrial Development Zone, Qingyuan City, Guangdong Province Applicant before: GUANGDONG BEIJIANG SWITCH FACTORY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220614 Address after: 511500 floor 2 of Guangdong Beijiang switchgear plant, No. 7 District, Qingyuan Economic Development Zone, Guangdong Province Applicant after: Qingyuan Xinneng Power Engineering Co.,Ltd. Address before: 511517 floors 2-4, comprehensive building of Guangdong Beijiang Switchgear Factory, No. 7 District, economic development zone, Qingyuan City, Guangdong Province Applicant before: Qingyuan Xinneng Power Engineering Co.,Ltd. high tech Division |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230324 Address after: 511500 No.38, Beijiang 1st Road, Qingcheng District, Qingyuan City, Guangdong Province Applicant after: QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Corp. Address before: 511500 floor 2 of Guangdong Beijiang switchgear plant, No. 7 District, Qingyuan Economic Development Zone, Guangdong Province Applicant before: Qingyuan Xinneng Power Engineering Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191227 |