CN204422664U - High-voltage switchgear vacuum circuit breaker room electrical verification servicing unit - Google Patents
High-voltage switchgear vacuum circuit breaker room electrical verification servicing unit Download PDFInfo
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- CN204422664U CN204422664U CN201520128362.9U CN201520128362U CN204422664U CN 204422664 U CN204422664 U CN 204422664U CN 201520128362 U CN201520128362 U CN 201520128362U CN 204422664 U CN204422664 U CN 204422664U
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Abstract
The utility model relates to electrical equipment detection technique field, discloses a kind of vacuum circuit breaker high voltage testing servicing unit.It comprises casing, support, opposite two sidewalls of casing are provided with back up pad, the bottom of casing is provided with coaster, the bottom of back up pad is connected with the end face of coaster, coaster contacts with the end face of support, another two opposite sidewalls of casing are provided with the hole suitable with contacts for vacuum-break switches quantity, position, and running through in two opposite holes has electroscope guide pipe, and the outside of back up pad is provided with valve opening device.The utility model in use operating personnel can realize the electrical verification instruction of monitoring two different principle successively, the relevant electrical verification that can meet in GB and rower required isolating switch without electric confirmation work, and the electrical verification regulation requirement that can mutually confirm.The utility model structure is simple, safe and reliable, eliminates the potential safety hazard during vacuum circuit breaker electrical verification operation to high-tension switch cabinet.
Description
Technical field
The utility model relates to electrical equipment detection technique field, a kind of specifically can safely, precisely, effectively by the high pressure static contact of vacuum circuit breaker, the bus in 10KV high-tension switch cabinet, cable be carried out to the high-voltage switchgear vacuum circuit breaker room electrical verification servicing unit of electrical verification detection into and out of line.
Background technology
In recent years, ABB VD4 vacuum circuit breaker due to volume little, the excellent properties such as dependable performance, be widely applied in 10KV handcart type high voltage switch cabinet, breaker handcart of switch cabinet chamber inner space is narrow and small, it is of a size of wide 660mm × high 715 mm × dark 685 mm, and the high pressure static contact of the vacuum circuit breaker be connected with the bus in switch cubicle is blocked by baffle plate usually.When high-voltage switch gear cabinet equipment operation and maintenance, personnel enter the bus in high-tension switch cabinet and cable in regular job and maintenance process, when electrical verification detection is carried out in outlet, owing to being subject to handcart room size, device structure, the limitation of the mode of connection, must by two operation people compounding practices: namely hand is stretched into live high voltage switch cabinet handcart chamber interior 490 millimeters by a people, promote high pressure static contact safety screen gearing, safety screen is opened, the high pressure static contact of vacuum circuit breaker exposes, and continue to keep promotion state, the hand-held electroscope of another people is by measuring mutually, can complete to enter high voltage bus and cable by static contact, outlet electrical verification confirms operation.Operating personnel cannot detect the instruction (mechanical location of equipment of two or more isolating switchs simultaneously, electric signal, charged display device indicates, instrument and various remote measurement, the change of the signals such as remote signalling), the relevant electrical verification that can not meet in GB 26860-2011 " electric power safety working regulation generating plant and transformer station's electric part " or State Grid Corporation of China Q/GDW 1799.1-2013 " electric power safety working regulation power transformation part " has required to enter bus and cable, outlet without electric confirmation work (i.e. electrical verification operation), and the electrical verification regulation requirement that can mutually confirm.
In the overall process of electrical verification operation, electrical verification operating personnel, promote static contact safety screen gearing personnel, safe distance between switch cubicle metal shell and charged high voltage electroscope is very limited, safe distance requirement when the equipment do not met in GB 26860-2011 " electric power safety working regulation generating plant and transformer station's electric part " or State Grid Corporation of China Q/GDW 1799.1-2013 " electric power safety working regulation power transformation part " does not have a power failure, the safe distance requirement of normal activity scope and equipment live part in operating personnel's work is not met yet, and promote operating personnel's operational motion of safety screen gearing and uncomfortable, there is higher security risk.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage switchgear vacuum circuit breaker room electrical verification servicing unit, enter to solve bus and cable in high-tension switch cabinet, outlet when electrical verification due to the restriction of hand interior space, operating personnel cannot detect the instruction of two or more isolating switchs simultaneously, there is potential safety hazard, the relevant electrical verification do not met in GB 26860-2011 " electric power safety working regulation generating plant and transformer station's electric part " or State Grid Corporation of China Q/GDW 1799.1-2013 " electric power safety working regulation power transformation part " has required the problem without electric confirmation work of charging equipment.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of high-voltage switchgear vacuum circuit breaker room electrical verification servicing unit, it comprises casing, support, opposite two sidewalls of described casing are provided with back up pad, the bottom of described casing is provided with coaster, the bottom of described back up pad is connected with the end face of described coaster, described coaster contacts with the end face of described support, another two opposite sidewalls of described casing are provided with the hole suitable with contacts for vacuum-break switches quantity, position, run through in two opposite described holes and have electroscope guide pipe, the outside of described back up pad is provided with valve opening device.
As further improvement of the utility model, described electroscope guide pipe is organic glass insulation tube.
Further improve as of the present utility model, the junction in described electroscope guide pipe and described hole is provided with high pressure resistant heat-shrink tube.
Further improve as of the present utility model, described casing is made up of glass fabric of epoxy resin insulcrete.
In the utility model, the size of the size of described casing and the handcart room of high-tension switch cabinet is suitable.
The utility model in use, by support-moving to the handcart room front of high-tension switch cabinet, promote coaster, casing progresses into switch cabinet handcart indoor, valve opening device outside described back up pad promotes the high pressure static contact safety screen gearing in handcart room, opened by safety screen, the high pressure static contact of vacuum circuit breaker exposes, and one end of electroscope guide pipe enters in the sleeve of static contact of vacuum circuit breaker; The hand-held galvanoscopic handle of electrical verification operating personnel, slowly pushes successively in each electroscope guide pipe, accurately touches electrified body, carry out electrical verification operation.
In order to ensure the utility model, there is the method for operating identical with original handcart, identical mechanical latching performance, identical handcart stroke, and the accurate cooperation identical with original power distribution equipment, the consistance of height and versatility, reduce workpiece quantity and production cost, this device is on an ABB VD4 vacuum circuit-breaker handcart basis of scrapping, original vacuum circuit breaker polar and opening/closing operation mechanism are removed, transformation, remain original vacuum circuit breaker coaster transmission component and breaker portion base, and installation fixes casing thereon, the bus and the cable that have been prepared into a set of non-contact type enter, outlet high voltage testing servicing unit.
The beneficial effects of the utility model are:
(1) the utility model is an independently insulation system, casing is made up of glass fabric of epoxy resin insulcrete, bottom half is provided with coaster, can move on the end face of support, casing comes completely isolated for the metal inner surface of electrical verification passage and high-voltage switch cubicle handcart room, ensure that the safe reliability of electrical verification process;
(2) described valve opening device can open the safety screen of high pressure static contact effectively, and the static contact of vacuum circuit breaker is exposed, and has stopped non-electrical verification personnel and hand has been extend into the potential Danger Electric shock risk existed when high-voltage board inside promotes safety screen gearing;
(3) electroscope guide pipe is made up of organic glass insulation tube, when electrical verification, one end of electroscope guide pipe enters in the sleeve of static contact of vacuum circuit breaker, directly do not contact with electrified body, guide support is play a part to electroscope, when operating personnel's electrical verification, only electroscope need be inserted electroscope guide pipe to contact with static contact, sound, light instruction can be obtained, be convenient to accurately to touch electrified body after electrical verification operator pushes electroscope and carry out electrical verification, ensure that the safety of electrical verification operating personnel;
(4) sidewall of electroscope guide pipe to casing is played a supporting role, and ensure that the coverage between electrical verification operating personnel and electrified body, to meet the safety requirements of national standard and industry standard;
(5) the utility model in use operating personnel indicate by the electrical verification of two different principle, the relevant electrical verification requirement in GB 26860-2011 " electric power safety working regulation generating plant and transformer station's electric part " or State Grid Corporation of China Q/GDW 1799.1-2013 " electric power safety working regulation power transformation part " can be met, complete isolating switch without electric confirmation work, and the electrical verification regulation requirement that can mutually confirm;
(6) the high pressure resistant heat-shrink tube set by junction in the hole of described electroscope guide pipe and wall box, plays fixing effect to electroscope guide pipe, and in order to obviously indicate and identify high pressure phase sequence, high pressure resistant heat-shrink tube adopts yellow, green, red three kinds of colour codes;
(7) the utility model structure is simple, safe and reliable, eliminates the potential safety hazard during vacuum circuit breaker electrical verification operation to high-tension switch cabinet.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is side view of the present utility model in Fig. 1;
Fig. 3 is vertical view of the present utility model in Fig. 1;
In figure: 1, electroscope guide pipe, 2, casing, 3, valve opening device, 4, coaster, 5, support, 6, back up pad, 7, hole, 8, high pressure resistant heat-shrink tube.
Embodiment
A kind of high-voltage switchgear vacuum circuit breaker room electrical verification servicing unit as shown in Figure 1 to Figure 3, it comprises casing 2, support 5, opposite two sidewalls of casing 2 are provided with back up pad 6, the bottom of casing 2 is provided with coaster 4, the bottom of back up pad 6 is connected with the end face of coaster 4, coaster 4 contacts with the end face of support 5, another two opposite sidewalls of casing 2 are provided with and contacts for vacuum-break switches quantity, the hole 7 that position is suitable, the electroscope guide pipe 1 having and be made up of organic glass insulation tube is run through in two opposite holes 7, electroscope guide pipe 1 is provided with the high pressure resistant heat-shrink tube of different color with the junction in hole 7, the outside of back up pad 6 is provided with valve opening device 3.
Casing 2 is made up of glass fabric of epoxy resin insulcrete.
The utility model in use, support 5 is moved to the handcart room front of high-tension switch cabinet, promote coaster 4, casing 2 progresses into switch cabinet handcart indoor, valve opening device 3 outside back up pad 6 promotes the high pressure static contact safety screen gearing in handcart room, opened by safety screen, the high pressure static contact of vacuum circuit breaker exposes, and one end of electroscope guide pipe 1 enters in the sleeve of static contact of vacuum circuit breaker; The hand-held galvanoscopic handle of electrical verification operating personnel, slowly pushes successively in each electroscope guide pipe 1, accurately touches electrified body, carry out electrical verification operation.
The utility model in use operating personnel indicates by the electrical verification of two different principle, meet the relevant electrical verification requirement in GB 26860-2011 " electric power safety working regulation generating plant and transformer station's electric part " or State Grid Corporation of China Q/GDW 1799.1-2013 " electric power safety working regulation power transformation part ", complete bus and cable into and out of line without electric confirmation work, and the electrical verification regulation requirement that can mutually confirm.The utility model structure is simple, safe and reliable, eliminates the potential safety hazard during vacuum circuit breaker electrical verification operation to high-tension switch cabinet.
Claims (4)
1. a high-voltage switchgear vacuum circuit breaker room electrical verification servicing unit, it is characterized in that: it comprises casing (2), support (5), opposite two sidewalls of described casing (2) are provided with back up pad (6), the bottom of described casing (2) is provided with coaster (4), the bottom of described back up pad (6) is connected with the end face of described coaster (4), described coaster (4) contacts with the end face of described support (5), another two opposite sidewalls of described casing (2) are provided with and contacts for vacuum-break switches quantity, the hole (7) that position is suitable, run through in two opposite described holes (7) and have electroscope guide pipe (1), the outside of described back up pad (6) is provided with valve opening device (3).
2. electrical verification servicing unit in high-voltage switchgear vacuum circuit breaker room according to claim 1, is characterized in that: described electroscope guide pipe (1) is organic glass insulation tube.
3. electrical verification servicing unit in high-voltage switchgear vacuum circuit breaker room according to claim 1 and 2, is characterized in that: described electroscope guide pipe (1) is provided with high pressure resistant heat-shrink tube (8) with the junction in described hole (7).
4. electrical verification servicing unit in high-voltage switchgear vacuum circuit breaker room according to claim 3, is characterized in that: described casing (2) is made up of glass fabric of epoxy resin insulcrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128362.9U CN204422664U (en) | 2015-03-06 | 2015-03-06 | High-voltage switchgear vacuum circuit breaker room electrical verification servicing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128362.9U CN204422664U (en) | 2015-03-06 | 2015-03-06 | High-voltage switchgear vacuum circuit breaker room electrical verification servicing unit |
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| CN204422664U true CN204422664U (en) | 2015-06-24 |
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| CN201520128362.9U Active CN204422664U (en) | 2015-03-06 | 2015-03-06 | High-voltage switchgear vacuum circuit breaker room electrical verification servicing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678192A (en) * | 2015-03-06 | 2015-06-03 | 兰州威立雅水务(集团)有限责任公司 | Auxiliary chamber electricity checking device for vacuum circuit breakers of high-voltage switch cabinet |
-
2015
- 2015-03-06 CN CN201520128362.9U patent/CN204422664U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678192A (en) * | 2015-03-06 | 2015-06-03 | 兰州威立雅水务(集团)有限责任公司 | Auxiliary chamber electricity checking device for vacuum circuit breakers of high-voltage switch cabinet |
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| GR01 | Patent grant |