CN204103274U - A kind of 10kV switch cubicle movable electricity testing window - Google Patents
A kind of 10kV switch cubicle movable electricity testing window Download PDFInfo
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- CN204103274U CN204103274U CN201420627606.3U CN201420627606U CN204103274U CN 204103274 U CN204103274 U CN 204103274U CN 201420627606 U CN201420627606 U CN 201420627606U CN 204103274 U CN204103274 U CN 204103274U
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Abstract
The utility model discloses a kind of 10kV switch cubicle movable electricity testing window, comprise cabinet, cabinet back door, promote handle, lockset buckles, tapered end, cabinet back door offers electroscopic window, described electroscopic window framework is installed with the insulation that electroscopic window frame edge surrounded every electric layer, insulation extends to insulation every electric layer housing every the surrounding outward flange of electric layer, insulation is provided with guide rail every the inside casing edge of electric layer, guide rail is provided with the glass forms that can move up and down on guide rail, electrical verification window can be opened when glass forms move up, described electroscopic window upper position is also provided with the electric blocking controlling glass forms and move up and down, the electromagnet electric loop of electric blocking is also provided with charged display device, when charged display device three-phase lamp does not work, electric blocking is in the state opened.It has can prevent the pernicious misoperation of charged conjunction earthed switch, can directly carry out electrical verification operation, feature that security performance that the electrical verification time is shorter is high.
Description
Technical field
The utility model relates to electrical equipment technical field, particularly relates to a kind of 10kV switch cubicle movable electricity testing window that directly can carry out electrical verification operation.
Background technology
The advantages such as current 10kV switch cubicle adopts the closed handcart vacuum switch cabinet of high-pressure metal substantially, and the type compact equipment, closure are good, handcart can exchange, and has and safeguards simply, security of operation, easy to operate, have five anti-functions simultaneously.The most of switch cubicle occurred in the market only has 1 closed fixing glass observation window, and this type hands injured band anti mis-closedown function, inspection operation process only meets front 3 conditions of electric operation directive/guide, therefore, 10kV switch cubicle by run turn maintenance time, need to close after earthed switch and just can open the electrical verification of cabinet back door, direct electrical verification can not be carried out at place of cable vault, cabinet back door to outlet cable.Again because the earthed switch that closes needs to carry out grid switching operation, at this moment electrical verification work must be stepped on bar by dispatch notification power supply station personnel and be examined without electricity on the circuit had a power failure, reinform Substation Operating personnel to close earthed switch, scheduling, transformer station, power supply station's 3 interagency coordinations are needed to complete, this indirect method of checking electricity mode affects by aspect factors such as personnel, electrical verification distance, communications, its electrical verification process need time is about 26min, thus causes this 10kV circuit grid switching operation overlong time.
Simultaneously, because the electrical verification mode of 10kV switch cubicle adopts indirect mode substantially, namely by observing the charged display device on switch cabinet instrument room cabinet face, judge whether circuit has electricity, without earthed switch electrical verification of just closing after electricity, if charged display device damages, likely there is the pernicious misoperation of charged conjunction earthed switch,, there is larger potential safety hazard in its electrical verification mode complicated operation, does not meet safety regulation and south electric network electric operation directive/guide and prevent the requirement of pernicious misoperation regulation.
Domestic patent database disclosed some patented technologies about switch cabinet electricity detection window in recent years:
Such as: patent documentation [application number] CN201220635147.4, open (bulletin) number [CN203014216U] discloses one " transformer station 10kV handcart type high voltage switch cabinet safety electroscope ", this utility model comprises high-tension switch cabinet body, the rear cabinet door of described high-tension switch cabinet body is provided with transparent windows, transparent windows is processed by insulating material, transparent windows is positioned at the centre position of rear cabinet door, for bulge-structure, the angle between the side of described transparent windows and rear cabinet door is 45 °; Hinged by hinge between the upper end of described transparent windows and rear cabinet door, lower end is connected with rear cabinet door by lockset.But electroscope may touching switch cabinet metal outer frame when carrying out electrical verification work for the electroscopic device of this utility model, and likely occurs the harm that the pernicious misoperation of charged conjunction earthed switch causes, and fail safe is lower.
Patent documentation [application number] CN201120473125.8, open (bulletin) number [CN202353021U], disclose " a kind of door of switch cabinet electroscopic window ", this utility model discloses a kind of door of switch cabinet electroscopic window, comprise door-plate, slide plate, upper limit plate and lower limiting board, slide plate can be close to door-plate and horizontally slip between upper limit plate and lower limiting board, when switch cubicle is in running status, slide plate snap close and Door panel snapclose are fixed together by padlock snapping, now forms closed by slide plate, when switch cubicle is in electrical verification state, lock for skate board buckle is in stopper slot, now forms opened by slide plate.This electroscopic window adopts push-pull structure, simple to operate, has that degree of protection is high, structural strength is high, process and assemble is simple, and cost is low, entirety is less, arranges feature easily.But electroscope may touching switch cabinet metal outer frame when carrying out electrical verification work for the electroscopic device of this utility model, and likely occurs the harm that the pernicious misoperation of charged conjunction earthed switch causes, and fail safe is lower.
Summary of the invention
The purpose of this utility model be to provide a kind of prevent the pernicious misoperation of charged conjunction earthed switch, can directly carry out electrical verification operation, 10kV switch cubicle movable electricity testing window that security performance that the electrical verification time is shorter is high.
In order to achieve the above object, the technical scheme in the invention for solving the technical problem is: 10kV switch cubicle movable electricity testing window, comprise cabinet, cabinet back door, cabinet back door offers electroscopic window, described electroscopic window framework is installed with the insulation that electroscopic window frame edge surrounded every electric layer, insulation extends to insulation every electric layer housing every the surrounding outward flange of electric layer, insulation is provided with guide rail every the inside casing edge of electric layer, guide rail is provided with the glass forms that can move up and down on guide rail, electrical verification window can be opened when glass forms upwards move, glass forms lower position is provided with promotion handle, promote handle to be connected with cabinet back door by lockset, described electroscopic window upper position is also provided with the electric blocking controlling glass forms and move up and down, the electromagnet electric loop of electric blocking is connected with circuit breaker cart location aided rebroadcast contact, the electromagnet electric loop of electric blocking is also provided with charged display device, and when charged display device three-phase lamp does not work, electric blocking is in the state opened.
Be improved to further, the lower position at described cabinet back door is also provided with lockset and buckles, lockset is buckled and promotes handle and pinned by tapered end, when not carrying out inspection operation work, glass forms are in the state of pinning, electric blocking is in conjunction with lockset dual pinning windowpane body, and the harm preventing misoperation to open glass forms to cause, fail safe is high.
Further, described electroscopic window is rectangle, and length is 280-350mm, and width is 150-200mm.
Described insulation exceeds electroscopic window framework 60-70mm every the top of electric layer housing, and following, the right and left insulated every electric layer housing exceeds electroscopic window framework 10-15mm.
Described glass forms can move up 40-60mm.
The utility model 10kV switch cubicle movable electricity testing window has following beneficial effect:
One, the pernicious misoperation of charged conjunction earthed switch can be prevented.By designing the switch cubicle movable electricity testing window of electric blocking and lockset dual pinning windowpane body structure, only have when circuit breaker is positioned at maintenance, when test position and charged display device circuit are without electricity, the electromagnet of electric blocking attracts the push rod in electric blocking, electric blocking is opened, and lockset is when being also in the state opened, just can move up and down glass forms, thus open electrical verification window, prevent the pernicious misoperation of charged conjunction earthed switch and open the harm that glass forms cause, when eliminating employing indirect method of checking electricity mode, there is the potential safety hazard of the pernicious misoperation fault of charged conjunction earthed switch.
Two, it is shorter directly can to carry out electrical verification operation, electrical verification time.Electrical verification window is opened by the mode moving up and down glass forms, both the entire infrastructure in high-tension switch cabinet cable vault cabinet can have been observed by clear glass forms, directly can carry out electrical verification work again, infrared measurement of temperature can also be entered, clear glass forms need not be changed back and forth, save operation power cost, decrease loss of outage, improve the economic benefit of electric power enterprise, solve and can not carry out direct electrical verification problem at hands injured outlet cable room place to dead line, make 10kV circuit turn the inspection operation time by operation and foreshorten to 25min's by 49min, the electrical verification time is shorter.
Three, security performance is high.By designing the switch cubicle movable electricity testing window of electric blocking and lockset dual pinning windowpane body structure, when only having electric blocking unblock to be in open mode with lockset simultaneously, just can move up and down glass forms, carry out electrical verification, prevent the pernicious misoperation of charged conjunction earthed switch and the harm caused, devise insulation every electric layer simultaneously, can ensure that carrying out electroscope when electrical verification works does not touch metal outer frame, improves the fail safe of electroscopic window.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model 10kV switch cubicle movable electricity testing window.
In figure, 1-cabinet; 2-cabinet back door; 3-electroscopic window; 4-insulation is every electric layer; 5-guide rail; 6-glass forms; 7-electrical verification window; 8-insulation is every electric layer housing; 9-promotes handle; 10-lockset buckles; 11-tapered end; 12-electric blocking.
Embodiment
As shown in Figure 1, the utility model 10kV switch cubicle movable electricity testing window, comprise cabinet 1, cabinet back door 2, cabinet back door 2 offers electroscopic window 3, described electroscopic window 3 framework is installed with the insulation that electroscopic window 3 frame edge surrounded every electric layer 4, insulation extends to insulation every electric layer housing 8 every the surrounding outward flange of electric layer 4, insulation is provided with guide rail 5 every the inside casing edge of electric layer 4, guide rail 5 is provided with the glass forms 6 that can move up and down on guide rail 5, electrical verification window 7 can be opened when glass forms 6 move up, glass forms 6 lower position is provided with and promotes handle 9, promote handle 9 to be connected with cabinet back door 2 by lockset, described electroscopic window 3 upper position is also provided with the electric blocking 12 controlling glass forms 6 and move up and down, the electromagnet electric loop of electric blocking 12 is connected with circuit breaker cart location aided rebroadcast contact, the electromagnet electric loop of electric blocking 12 is also provided with charged display device, and when charged display device three-phase lamp does not work, electric blocking 12 is in the state opened.
When circuit breaker is positioned at maintenance, test position and charged display device circuit without electricity, charged display device three-phase lamp does not work, now the electromagnet of electric blocking 12 attracts the push rod in electric blocking 12, electric blocking 12 is opened, and prevents the pernicious misoperation of charged conjunction earthed switch and opens the harm that glass forms 6 cause.
The lower position at described cabinet back door 2 is also provided with lockset and buckles 10, lockset is buckled 10 and is pinned by tapered end 11 with promotion handle 9, when not carrying out inspection operation work, glass forms 6 are in the state of pinning, the harm preventing misoperation to open glass forms 6 to cause, improves the fail safe of electrical verification.
Described electroscopic window 3 is rectangle, and length is 280-350mm, and width is 150-200mm.
Described insulation exceeds electroscopic window 3 framework 60-70mm every the top of electric layer housing 8, and following, the right and left insulated every electric layer housing 8 exceeds electroscopic window 3 framework 10-15mm.
Described glass forms 6 can move up 40-60mm, object is to open electrical verification window 7 by moving up and down glass forms 6, and the electrical verification window 7 opened can just make electroscope stretch into inside switch cubicle, make need not carry out power failure operation during electrical verification, both the entire infrastructure in high-tension switch cabinet body 1 can have been observed by clear glass forms 6, directly can carry out electrical verification work again, clear glass forms 6 need not be changed back and forth, save operation power cost, decrease loss of outage, solve and can not carry out direct electrical verification problem at hands injured outlet cable room place to dead line, 10kV circuit can be made to turn the inspection operation time by operation and to foreshorten to 25min's by 49min, the electrical verification time is shorter.
The utility model is by the switch cubicle movable electricity testing window of design electric blocking 12 with lockset dual pinning windowpane body 6 structure, when only having electric blocking 12 and lockset to be in open mode simultaneously, just can move up and down glass forms 6, prevent the pernicious misoperation of charged conjunction earthed switch and open the harm that glass forms 6 cause, devise insulation every electric layer 4 simultaneously, can ensure that carrying out electroscope when electrical verification works does not touch metal outer frame, improves the fail safe of electroscopic window.
Embodiment is as follows:
The first step, when 10kV switch cabinet outlet circuit needs maintenance, the handcart circuit breaker of cut-off switch cabinet.
Second step, tests handcart circuit breaker dislocation at 10kV switch cubicle, maintenance position, and on operating handle, hang that " No switching on, circuit has people to work " indication plate.
3rd step, after the handcart circuit breaker of cut-off switch cabinet, check whether 10kV switch cubicle high voltage display device three-phase lamp is in the state do not worked, if three-phase lamp does not work illustrate that circuit is without electricity, circuit breaker is positioned at maintenance, test position and the charged display device circuit of electric blocking 12 without electricity, now the electromagnet of electric blocking 12 attracts the push rod in electric blocking 12, and electric blocking 12 is opened.
4th step, opens the tapered end 11 on electroscopic window 3, and the lockset now on electroscopic window 3 and electric blocking 12 are all in openable state, then to move up glass forms 6 by promoting handle 9, can open electrical verification window 7.
5th step, after opening electrical verification window 7, stretches into electroscope inside switch cubicle and carries out electrical verification, and this utility model devises insulation and electroscopic window 3 frame edge surrounded every electric layer 4, and make the electroscope when electrical verification works not touch metal outer frame, fail safe is high.
6th step, after electrical verification is complete, moves down glass forms 6, closes electrical verification window 7, with tapered end 11, promotion handle 9 and lockset is buckled 10 pinnings simultaneously, be locked on rear door of switch cabinet 2 further by glass forms 6, can complete the whole process of electrical verification work.
Claims (5)
1. a 10kV switch cubicle movable electricity testing window, comprise cabinet (1), cabinet back door (2), cabinet back door (2) offers electroscopic window (3), it is characterized in that: described electroscopic window (3) framework is installed with the insulation that electroscopic window (3) frame edge surrounded every electric layer (4), insulation extends to insulation every electric layer housing (8) every the surrounding outward flange of electric layer (4), insulation is provided with guide rail (5) every the inside casing edge of electric layer (4), guide rail (5) is provided with the glass forms (6) that can move up and down on guide rail (5), electrical verification window (7) can be opened when glass forms (6) move up, glass forms (6) lower position is provided with and promotes handle (9), promote handle (9) to be connected with cabinet back door (2) by lockset, described electroscopic window (3) upper position is also provided with the electric blocking (12) controlling glass forms (6) and move up and down, the electromagnet electric loop of electric blocking (12) is connected with circuit breaker cart location aided rebroadcast contact, the electromagnet electric loop of electric blocking (12) is also provided with charged display device, and when charged display device three-phase lamp does not work, electric blocking (12) is in the state opened.
2. 10kV switch cubicle movable electricity testing window according to claim 1, it is characterized in that: the lower position at described cabinet back door (2) is also provided with lockset and buckles (10), lockset buckles (10) is pinned by tapered end (11) with promotion handle (9).
3. 10kV switch cubicle movable electricity testing window according to claim 1 and 2, is characterized in that: described electroscopic window (3) is rectangle, and length is 280-350mm, and width is 150-200mm.
4. 10kV switch cubicle movable electricity testing window according to claim 1 and 2, it is characterized in that: described insulation exceeds electroscopic window (3) framework 60-70mm every the top of electric layer housing (8), following, the right and left insulated every electric layer housing (8) exceeds electroscopic window (3) framework 10-15mm.
5. 10kV switch cubicle movable electricity testing window according to claim 1 and 2, is characterized in that: described glass forms (6) can move up 40-60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627606.3U CN204103274U (en) | 2014-10-28 | 2014-10-28 | A kind of 10kV switch cubicle movable electricity testing window |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627606.3U CN204103274U (en) | 2014-10-28 | 2014-10-28 | A kind of 10kV switch cubicle movable electricity testing window |
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| CN204103274U true CN204103274U (en) | 2015-01-14 |
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| CN201420627606.3U Active CN204103274U (en) | 2014-10-28 | 2014-10-28 | A kind of 10kV switch cubicle movable electricity testing window |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129844A (en) * | 2016-08-29 | 2016-11-16 | 江苏银佳企业集团有限公司 | A kind of 10kV high-voltage central-positioned switch cubicle |
| CN111653968A (en) * | 2020-05-15 | 2020-09-11 | 国网浙江桐乡市供电有限公司 | Track type inspection equipment for power distribution room |
-
2014
- 2014-10-28 CN CN201420627606.3U patent/CN204103274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129844A (en) * | 2016-08-29 | 2016-11-16 | 江苏银佳企业集团有限公司 | A kind of 10kV high-voltage central-positioned switch cubicle |
| CN111653968A (en) * | 2020-05-15 | 2020-09-11 | 国网浙江桐乡市供电有限公司 | Track type inspection equipment for power distribution room |
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