CN2257097Y - High-tension vacuum switch cabinet - Google Patents
High-tension vacuum switch cabinet Download PDFInfo
- Publication number
- CN2257097Y CN2257097Y CN 95224943 CN95224943U CN2257097Y CN 2257097 Y CN2257097 Y CN 2257097Y CN 95224943 CN95224943 CN 95224943 CN 95224943 U CN95224943 U CN 95224943U CN 2257097 Y CN2257097 Y CN 2257097Y
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- CN
- China
- Prior art keywords
- cabinet
- switch
- breaker
- cable
- bus bar
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a high-voltage vacuum switch cabinet, which is characterized in that a gauge chamber with a lifting sliding track is arranged under a lintel edge; a set of operating mechanisms is installed at the right side of a vacuum breaker in the cabinet body; four assemblies on one main axis are respectively connected with an upper isolation switch, an upper grounding switch, a lower isolation switch and a lower grounding switch by draw rods, forming a mechanical interlock. The axis head of the main axis is inserted with a handle outside the cabinet. The cabinet body is a housing with six sealed surfaces the utility model has the advantages that the gauge chamber can be raised by 30 mm, bringing convenience for overhauling equipment in the cabinet; the mechanical interlock can prevent misoperation; the level of protection of the fully sealed metal housing reaches to IP2X. The utility model is suitable a high-voltage switch cabinet in a power distribution system.
Description
The utility model belongs to switching device for power distribution, relates to a kind of high voltage vacuum switchgear cabinet that is provided with vacuum circuit-breaker.
High-tension switch cabinet is the basic equipment of distribution system, what China used for many years is GG-IA type product, the deficiency that exists on its structure construction is, main bus bar, to go up isolating switch open at the cabinet top, rear wall does not have shrouding, do not have shrouding at the bottom of the cabinet, electric clearance is 100mm in the cabinet, does not meet new request of national standard; Circuit does not have earthed switch in the cabinet, will hand the ground connection that the ground connection pincers remove to finish circuit by the staff when maintenance, operates dangerous.
The purpose of this utility model is, design and produce a kind of high voltage vacuum switchgear cabinet, six totally enclosed frames are at circuit breaker place extension circuit earthed switch, improve the actuating handle of isolating switch, earthed switch, with the fail safe of the protection that improves switch cubicle, maintenance, operation.
High voltage vacuum switchgear cabinet of the present utility model is made up of cabinet, instrument box, and cabinet inside is divided into the main bus bar chamber from top to bottom, breaker chamber and cable vault is characterized in that, the cabinet front portion is low, the rear portion height, forwardly the top is provided with the lintel edge, and lintel is the control room of band lifting sliding rail along the below; Between main bus bar chamber in the cabinet and the breaker chamber spinning movement formula isolating switch is installed; The guillotine type isolating switch is installed between breaker chamber and the cable vault; Vacuum circuit-breaker is a car formula structure, is fixed by bolts in the cabinet, on the breaker chamber rear wall current transformer is installed; Connect with bus between main bus bar, last isolating switch, current transformer, vacuum circuit-breaker, following isolating switch, the cable, form circuit; One group of operating mechanism is installed on the right side of vacuum circuit-breaker, four assemblies on the main shaft respectively with pull bar and last isolating switch, on earthed switch, down isolating switch, earthed switch links to each other down, constitute the mechanical type interlock, the spindle nose of this main shaft is a hexagon, pegs graft with the cabinet outdoor handle.The earthed switch of following isolating switch front portion is by the mechanism's actuating that is installed in the cable vault; The transducer of lightning arrester and charged display unit is installed in the cable vault, is zero sequence current mutual inductor and cable under the cabinet; It between breaker chamber rear wall and the switch cubicle rear wall release of pressure passage of cable vault.
The cabinet top is provided with breaker chamber release of pressure valve, main bus bar chamber release of pressure cover plate; Three-phase main bus bar and insulating sleeve thereof are stretched out by the cabinet upper lateral part, and the main bus bar between the switch cubicle connects through this sleeve pipe side by side; The cabinet side is protected with the three metallic plate envelopes in upper, middle and lower; The cabinet front is provided with control room's door, breaker chamber door, cable vault's door; The cabinet end face is provided with the main bus bar room cover plate, and the cabinet back side is provided with breaker chamber release of pressure cover plate, cable vault's release of pressure cover plate, and the middle part is the duplex door of maintenance breaker chamber, the bottom is the duplex door of maintenance cable vault; Be provided with zero sequence current mutual inductor and cable at the bottom of the cabinet, advance the cabinet cable and be fixed at the bottom of the cabinet, pass zero sequence current mutual inductor and enter in the cabinet, use dismountable cover closure.
Using method of the present utility model is, presses the high-tension switch cabinet that the utility model is produced, can be used in the 10KV distribution system, as be subjected to electric cabinet (be that external power source is sent this cabinet to through cable, when isolating switch and circuit breaker close close after, main bus bar is charged); Also can be used as feeder cabinet (be that main bus bar is charged, when isolating switch and circuit breaker close close after, electric current is presented to the user through cable).The mechanical type interlock is arranged in the cabinet, guarantee that the operation of isolating switch is when circuit breaker is in the disjunction position.At this moment, the operations staff is extrapolated to operating grip and moves main shaft on the spindle nose of operating mechanism of isolating switch and rotate from cabinet, make the pull bar motion of each assembly, drive corresponding isolating switch or earthed switch closure or disjunction, be rotated in a clockwise direction 90 °, the earthed switch of the earthed switch of last isolating switch attaching and following isolating switch attaching is simultaneously by separating brake.Handle continues half-twist, and last isolating switch is closed by the pass.Handle continues half-twist again, and following isolating switch is closed by the pass.After this, just can close a floodgate by the actuating vacuum circuit-breaker outside cabinet, finish the step that puts into operation, step out of service in contrast.
The utility model has the advantages that, six totally enclosed type metal shells, degree of protection reaches IP2X; The main bus bar that links to each other with adjacent cabinet supports and packing with insulating sleeve; Vacuum circuit-breaker is whole car formula structure, is convenient to extract out maintenance; Circuit breaker top, below are equipped with the circuit ground switch, during maintenance from cabinet outside actuating be grounded assurance safety; Whether there is the earthed switch of actuating outside cabinet at the cable end place, and have charged display unit charged, safe and reliable to check cable; Two isolating switches and two shared one group of mechanisms of earthed switch up and down up and down thereof by a handle actuating, have the function of the misoperation of preventing in the cabinet; The control room can lifting 300MM, equipment in the easy access cabinet; Electric clearance 125MM.Meet the requirement of China's electric power system.Be applicable to the high-tension switch cabinet that distribution is used.
Below in conjunction with drawings and Examples, the utility model will be further described:
Fig. 1 is the front view of vacuum high-voltage switch cabinet
Fig. 2 is the rearview of vacuum high-voltage switch cabinet
Fig. 3 is the internal structural map of vacuum high-voltage switch cabinet
Fig. 4 is the end view of vacuum high-voltage switch cabinet
As seen from the figure, high voltage vacuum switchgear cabinet of the present utility model is made up of cabinet, instrument box, the inner top-down main bus bar chamber that is divided into of cabinet, breaker chamber and cable vault, the cabinet front portion is low, the rear portion height, forwardly the top is provided with lintel along 1, and lintel is the control room 2 of band lifting sliding rail 23 along the below; Between main bus bar chamber 3 in the cabinet and the breaker chamber 4 spinning movement formula isolating switch is installed; Between breaker chamber and the cable vault 5 the guillotine type isolating switch is installed; Vacuum circuit-breaker 6 is a car formula structure, is fixed by bolts in the cabinet, and current transformer 7 is installed on the breaker chamber rear wall; Connect with bus between main bus bar 8, last isolating switch 9, current transformer, vacuum circuit-breaker, following isolating switch 10, the cable 11, form circuit; One group of operating mechanism 21 is installed on the right side of vacuum circuit-breaker, four assemblies on the main shaft respectively with pull bar and last isolating switch, on earthed switch, down isolating switch, earthed switch links to each other down, constitute the mechanical type interlock, the spindle nose of this main shaft is a hexagon, pegs graft with the cabinet outdoor handle.The earthed switch of following isolating switch front portion is by the mechanism's actuating that is installed in the cable vault; The transducer 13 of lightning arrester 12 and charged display unit is installed in the cable vault, is zero sequence current mutual inductor 14 and cable under the cabinet; It between breaker chamber rear wall and the switch cubicle rear wall release of pressure passage of cable vault.
The cabinet top is provided with breaker chamber release of pressure valve, main bus bar chamber release of pressure cover plate; Three-phase main bus bar and insulating sleeve 22 thereof are stretched out by the cabinet upper lateral part, and the main bus bar between the switch cubicle arranged side by side connects through this sleeve pipe; The cabinet side is protected with the three metallic plate envelopes in upper, middle and lower; The cabinet front is provided with control room's door 15, breaker chamber door 16, cable vault's door 17, the cabinet end face is provided with main bus bar room cover plate 18, and the cabinet back side is provided with breaker chamber release of pressure cover plate 19, cable vault's release of pressure cover plate 20, the middle part is the duplex door of maintenance breaker chamber, and the bottom is the duplex door of maintenance cable vault; Be provided with zero sequence current mutual inductor and cable at the bottom of the cabinet, advance the cabinet cable and be fixed at the bottom of the cabinet, pass zero sequence current mutual inductor and enter in the cabinet, use dismountable cover closure.
Claims (1)
1, a kind of high voltage vacuum switchgear cabinet is made up of cabinet, instrument box, and cabinet inside is divided into the main bus bar chamber from top to bottom, breaker chamber and cable vault is characterized in that, the cabinet front portion is low, the rear portion height, forwardly the top is provided with the lintel edge, and lintel is the control room of band lifting sliding rail along the below; Between main bus bar chamber in the cabinet and the breaker chamber spinning movement formula isolating switch is installed; The guillotine type isolating switch is installed between breaker chamber and the cable vault; Vacuum circuit-breaker is a car formula structure, is fixed by bolts in the cabinet, on the breaker chamber rear wall current transformer is installed; Connect with bus between main bus bar, last isolating switch, current transformer, vacuum circuit-breaker, following isolating switch, the cable, form circuit; One group of operating mechanism is installed on the right side of vacuum circuit-breaker, four assemblies on the main shaft respectively with pull bar and last isolating switch, on earthed switch, down isolating switch, earthed switch links to each other down, constitute the mechanical type interlock, the spindle nose of this main shaft is a hexagon, pegs graft with the cabinet outdoor handle.The earthed switch of following isolating switch front portion is by the mechanism's actuating that is installed in the cable vault; The transducer of lightning arrester and charged display unit is installed in the cable vault, is zero sequence current mutual inductor and cable under the cabinet; It between breaker chamber rear wall and the switch cubicle rear wall release of pressure passage of cable vault;
The cabinet top is provided with breaker chamber release of pressure valve, main bus bar chamber release of pressure cover plate; Three-phase main bus bar and insulating sleeve thereof are stretched out by the cabinet upper lateral part, and the main bus bar between the switch cubicle connects through this sleeve pipe side by side; The cabinet side is protected with the three metallic plate envelopes in upper, middle and lower; The cabinet front is provided with control room's door, breaker chamber door, cable vault's door; The cabinet end face is provided with the main bus bar room cover plate, and the cabinet back side is provided with breaker chamber release of pressure cover plate, cable vault's release of pressure cover plate, and the middle part is the duplex door of maintenance breaker chamber, the bottom is the duplex door of maintenance cable vault; Be provided with zero sequence current mutual inductor and cable at the bottom of the cabinet, advance the cabinet cable and be fixed at the bottom of the cabinet, pass zero sequence current mutual inductor and enter in the cabinet, use dismountable cover closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224943 CN2257097Y (en) | 1995-10-27 | 1995-10-27 | High-tension vacuum switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224943 CN2257097Y (en) | 1995-10-27 | 1995-10-27 | High-tension vacuum switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2257097Y true CN2257097Y (en) | 1997-06-25 |
Family
ID=33871545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95224943 Expired - Fee Related CN2257097Y (en) | 1995-10-27 | 1995-10-27 | High-tension vacuum switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2257097Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425662B (en) * | 2008-12-02 | 2010-12-01 | 沈阳飞驰电气设备有限公司 | Micro metal full-enclosed vacuum switch cabinet |
| CN101662129B (en) * | 2009-08-31 | 2013-01-16 | 童建朋 | High voltage switch cabinet |
| CN107528250A (en) * | 2013-09-12 | 2017-12-29 | 袁茂银 | A kind of switch cubicle |
-
1995
- 1995-10-27 CN CN 95224943 patent/CN2257097Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425662B (en) * | 2008-12-02 | 2010-12-01 | 沈阳飞驰电气设备有限公司 | Micro metal full-enclosed vacuum switch cabinet |
| CN101662129B (en) * | 2009-08-31 | 2013-01-16 | 童建朋 | High voltage switch cabinet |
| CN107528250A (en) * | 2013-09-12 | 2017-12-29 | 袁茂银 | A kind of switch cubicle |
| CN107528250B (en) * | 2013-09-12 | 2020-05-15 | 袁茂银 | Switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |