CN113346399A - Centrally-mounted switch cabinet - Google Patents
Centrally-mounted switch cabinet Download PDFInfo
- Publication number
- CN113346399A CN113346399A CN202110768223.2A CN202110768223A CN113346399A CN 113346399 A CN113346399 A CN 113346399A CN 202110768223 A CN202110768223 A CN 202110768223A CN 113346399 A CN113346399 A CN 113346399A
- Authority
- CN
- China
- Prior art keywords
- chamber
- circuit breaker
- bus
- breaker handcart
- cable
- 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.)
- Withdrawn
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
Abstract
The invention discloses a centrally-mounted switch cabinet, which comprises a shell, wherein a bus chamber is arranged in the shell, a plurality of main buses are arranged in the bus chamber, the main buses are connected with a static contact box through branch buses, a static contact is arranged in the static contact box, a circuit breaker handcart chamber is arranged beside the bus chamber, a loading and unloading type partition plate is arranged between the bus chamber and the circuit breaker handcart chamber, a moving door is arranged on the loading and unloading type partition plate, a circuit breaker handcart is arranged in the circuit breaker handcart chamber, the circuit breaker handcart is connected with the moving door, a heating device is also arranged in the circuit breaker handcart chamber, a heater is arranged below the heating device, a drawable horizontal partition plate is arranged between the heating device and the heater, a relay instrument chamber is arranged beside the circuit breaker handcart chamber, a secondary plug is arranged below the relay instrument chamber, a cable chamber is arranged below the bus chamber, a current transformer, a grounding switch and a lightning arrester are arranged in the cable chamber, and the grounding switch is connected with a grounding switch operating mechanism, the lightning arrester is connected with the grounding bus, and a cable cover plate is further arranged at the bottom of the cable chamber.
Description
Technical Field
The invention relates to a centrally-mounted switch cabinet.
Background
The centrally-mounted switchgear is totally called as metal armored centrally-mounted withdrawable switchgear. The indoor complete set of distribution equipment belongs to a high-voltage distribution equipment, the highest working voltage of which is 3.6/7.2/12kV, and is a three-phase alternating-current 50Hz single-bus segmented system or double-bus segmented system. The device is used for receiving and distributing network power of 3.6-12kV, and carrying out control protection, monitoring and measurement on a power circuit. The central switch cabinet is mainly used for power plant, power transmission of small and medium-sized generators, power receiving and power transmission of secondary substation of power system, power distribution of industrial and mining enterprises and institutions, starting of large-scale high-voltage motors and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a centrally-mounted switch cabinet.
A centrally-mounted switch cabinet comprises a shell, wherein a bus chamber, a breaker handcart chamber, a cable chamber and a relay instrument chamber are arranged in the shell, a plurality of main buses are arranged in the bus chamber, bus sleeves are arranged on the main buses, the main buses are connected with a static contact box through branch buses, a static contact is arranged in the static contact box, the breaker handcart chamber is arranged beside the bus chamber, a loading and unloading type partition plate is arranged between the bus chamber and the breaker handcart chamber, a moving door is arranged on the loading and unloading type partition plate, a guide rail is arranged in the breaker handcart chamber, a breaker handcart is arranged on the guide rail, the breaker handcart is connected with the moving door, a heating device is further arranged in the breaker handcart chamber, a heater is arranged below the heating device, a drawable horizontal partition plate is arranged between the heating device and the heater, the relay instrument chamber is arranged beside the breaker handcart chamber, a secondary plug is arranged below the relay instrument chamber, and the cable chamber are arranged below the bus chamber, the cable chamber is internally provided with a current transformer, a grounding switch and a lightning arrester, the grounding switch is connected with a grounding switch operating mechanism, the lightning arrester is connected with a grounding bus, and the bottom of the cable chamber is also provided with a cable cover plate.
As a further improvement, the materials of the shell and the baffle are GH3044 alloy steel plates.
As a further improvement, the top of the switch cabinet is provided with a pressure relief device.
As a further improvement, an observation window is arranged on a cabinet door of the switch cabinet.
As a further improvement, the branch bus bar is connected with the main bus bar through a bolt.
As a further improvement, a wire slot is arranged in the switch cabinet, and a cover plate is arranged on the wire slot.
Has the advantages that:
the invention has the advantages of ingenious design, capability of installing, debugging and maintaining the switch cabinet from the front side, capability of ensuring the safety and improving the flexibility, small volume and reduced occupied area.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a centrally installed switchgear;
1. the shell 2, the branch bus 3, the bus sleeve 4, the main bus 5, the static contact 6, the static contact box 7, the current transformer 8, the grounding switch 9, the cable 10, the lightning arrester 11, the grounding bus 12, the loading and unloading type partition plate 13, the sliding door 14, the secondary plug 15, the circuit breaker handcart 16, the heating device 17, the extractable type horizontal partition plate 18, the grounding switch operating mechanism 19 and the cable cover plate.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1, the centrally-mounted switchgear includes a housing 1, a branch bus 2, a bus sleeve 3, a main bus 4, a static contact 5, a static contact box 6, a current transformer 7, a grounding switch 8, a cable 9, a lightning arrester 10, a grounding bus 11, a detachable partition 12, a sliding door 13, a secondary plug 14, a circuit breaker handcart 15, a heating device 16, a withdrawable horizontal partition 17, a grounding switch operating mechanism 18, and a cable cover plate 19.
A centrally-mounted switch cabinet comprises a shell 1, a bus chamber, a circuit breaker handcart chamber, a cable chamber and a relay instrument chamber are arranged in the shell 1, a plurality of main buses 4 are arranged in the bus chamber, bus sleeves 3 are arranged on the main buses 4, the main buses 4 are connected with a static contact box 6 through branch buses 2, static contacts 5 are arranged in the static contact box 6, the circuit breaker handcart chamber is arranged beside the bus chamber, a loading and unloading type partition plate 12 is arranged between the bus chamber and the circuit breaker handcart chamber, a moving door 13 is arranged on the loading and unloading type partition plate 12, a guide rail is arranged in the circuit breaker handcart chamber, a circuit breaker handcart 15 is arranged on the guide rail, the circuit breaker handcart 15 is connected with the moving door 13, a heating device 16 is further arranged in the circuit breaker handcart chamber, a heater is arranged below the heating device 16, a drawable horizontal partition plate 17 is arranged between the heating device 16 and the heater, the relay instrument chamber is arranged beside the circuit breaker handcart chamber, and a secondary plug 14 is arranged below the relay instrument chamber, the cable chamber is arranged below the bus chamber, the current transformer 7, the grounding switch 8 and the lightning arrester 10 are arranged in the cable chamber, the grounding switch 8 is connected with the grounding switch operating mechanism 18, the lightning arrester 10 is connected with the grounding bus 11, and the cable cover plate 19 is further arranged at the bottom of the cable chamber.
Wherein, the shell 1 and the baffle are both made of GH3044 alloy steel plates.
Wherein, the top of the switch cabinet is provided with a pressure relief device.
Wherein, the cabinet door of cubical switchboard on be equipped with the observation window.
Wherein, the branch bus bar 2 is connected with the main bus bar 4 through a bolt.
The switch cabinet is internally provided with a wire slot, and the wire slot is provided with a cover plate.
The shell and the partition plate of the switch cabinet have strong oxidation resistance and corrosion resistance, the top of the switch cabinet is provided with a pressure relief device, when internal faults occur, the air pressure in a high-pressure chamber of the switch cabinet rises, and high-pressure air is relieved through the pressure relief device because the cabinet door is sealed; the circuit breaker handcart is arranged in a circuit breaker handcart chamber provided with a guide rail and can move at two positions of operation and test, when the circuit breaker handcart moves from the operation position to the test position, a moving door or automatically covers a fixed contact, and when the circuit breaker handcart moves in the reverse direction, the circuit breaker handcart is opened; the circuit breaker handcart includes the frame, and the frame has the metal sheet to assemble and forms, is equipped with the circuit breaker on the frame, is equipped with the spring on the utmost point post of circuit breaker and touches the arm, plays the effect of electrical connection when the circuit breaker handcart inserts the operating position.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A centrally-mounted switch cabinet is characterized by comprising a shell, wherein a bus chamber, a circuit breaker handcart chamber, a cable chamber and a relay instrument chamber are arranged in the shell, a plurality of main buses are arranged in the bus chamber, bus sleeves are arranged on the main buses, the main buses are connected with a static contact box through branch buses, a static contact is arranged in the static contact box, the circuit breaker handcart chamber is arranged beside the bus chamber, a loading and unloading type partition plate is arranged between the bus chamber and the circuit breaker handcart chamber, a moving door is arranged on the loading and unloading type partition plate, a guide rail is arranged in the circuit breaker handcart chamber, a circuit breaker handcart is arranged on the guide rail, the circuit breaker handcart is connected with the moving door, a heating device is further arranged in the circuit breaker handcart chamber, a heater is arranged below the heating device, a drawable type horizontal partition plate is arranged between the heating device and the heater, the relay chamber is arranged beside the circuit breaker handcart chamber, a secondary plug is arranged below the relay instrument chamber, the cable chamber is arranged below the bus chamber, the current transformer, the grounding switch and the lightning arrester are arranged in the cable chamber, the grounding switch is connected with the grounding switch operating mechanism, the lightning arrester is connected with the grounding bus, and the cable cover plate is further arranged at the bottom of the cable chamber.
2. The centrally-mounted switchgear as claimed in claim 1, wherein the enclosure and the partition are made of a steel sheet made of an alloy of GH 3044.
3. The centrally-mounted switchgear cabinet as claimed in claim 1, wherein the top of the switchgear cabinet is provided with a pressure relief device.
4. The centrally-mounted switchgear cabinet as claimed in claim 1, wherein the cabinet door of the switchgear cabinet is provided with a viewing window.
5. The switchgear cabinet as claimed in claim 1, wherein the branch bus bar is connected to the main bus bar by a bolt.
6. The centrally-mounted switchgear cabinet as claimed in claim 1, wherein a trunking is provided in the switchgear cabinet, and a cover plate is provided on the trunking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768223.2A CN113346399A (en) | 2021-07-05 | 2021-07-05 | Centrally-mounted switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768223.2A CN113346399A (en) | 2021-07-05 | 2021-07-05 | Centrally-mounted switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113346399A true CN113346399A (en) | 2021-09-03 |
Family
ID=77482964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768223.2A Withdrawn CN113346399A (en) | 2021-07-05 | 2021-07-05 | Centrally-mounted switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113346399A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336395A (en) * | 2021-12-30 | 2022-04-12 | 张思萌 | Safe insulating high-voltage board with earth leakage protection mechanism |
-
2021
- 2021-07-05 CN CN202110768223.2A patent/CN113346399A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336395A (en) * | 2021-12-30 | 2022-04-12 | 张思萌 | Safe insulating high-voltage board with earth leakage protection mechanism |
| CN114336395B (en) * | 2021-12-30 | 2024-01-09 | 山西华通电气自动化工程有限公司 | Safe insulating high-voltage board with electric leakage grounding protection mechanism |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210903 |
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| WW01 | Invention patent application withdrawn after publication |