CN203445503U - Solid insulated ring main unit with fracture-visible function - Google Patents
Solid insulated ring main unit with fracture-visible function Download PDFInfo
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- CN203445503U CN203445503U CN201320444854.XU CN201320444854U CN203445503U CN 203445503 U CN203445503 U CN 203445503U CN 201320444854 U CN201320444854 U CN 201320444854U CN 203445503 U CN203445503 U CN 203445503U
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- fracture
- contact seat
- static contact
- main unit
- ring main
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Abstract
A solid insulated ring main unit with a fracture-visible function comprises an insulation box and a fracture-visible device. The lower end of the insulation box is provided with a wire outgoing end, and a wire incoming end is arranged on the side wall; the insulation box is internally provided with a static contact seat and an isolation switch, the static contact seat is connected with the wire outgoing end, and the isolation switch is connected with the wire incoming end; the fracture-visible device is connected above the insulation box, and is provided with a mechanism box and a reflection device arranged inside the mechanism box; the mechanism box is provided with an observation window and a light incoming window; the reflection device is provided with an observation light path reflector and a lighting light path reflector; the reflection light of the observation light path reflector is opposite to the observation window, and the incident light of the lighting light path reflector is opposite to the light incoming window; and the incident light of the observation light path reflector and the reflection light of the lighting light path reflector are opposite to the static contact seat respectively. According to the solid insulated ring main unit with the fracture-visible function, the contact or separation state of the isolation switch and the static contact seat inside the insulation box can be observed through the fracture-visible device connected above the insulation box, and therefore opening a window in the insulation box is avoided, and no influence on the electric field distribution inside the insulation box exists.
Description
Technical field
The utility model is relevant for a kind of solid insulation ring main unit, the solid insulation ring main unit of the tool fracture visual function of especially using relevant for a kind of electric switch equipment.
Background technology
Fail safe is the most important performance index of power equipment.In existing various isolating switch, be all provided with visible cut-off point, and corresponding finder, thereby guarantee that switchgear meets the requirement of security regulations, ensure maintainer's life safety.With regard to the fracture visuality of isolation knife, fracture is divided into obviously visual and indirectly visual.It is obviously visual that domestic user is more prone to fracture, seen that isolation knife fracture just thinks that loop disconnects.
Existing cut-off point finder adopts visual windows design, conveniently carries out the state observation of isolating switch, makes operation safe reliable.This window adopts transparent insulation material, can observe very clearly the fracture state of on-load switch, for operations staff's operational load switch provides reliable foundation, guarantees the safety of operations staff's operation.But this observation window must be opened the dead ahead at isolating switch, simultaneously in order to guarantee light intensity, observation window is opened greatlyr, and the Electric Field Distribution that this will change ring main unit insulated case affects integral insulation performance, has also increased cost simultaneously.
It is visible that existing solid insulation switch cabinet adopts visual windows to design to realize isolation fracture, it is mainly provided with observation window in insulated case, whether user can observe isolation switch by this form and separate, but the mode of this set observation window can change the Electric Field Distribution in insulated case, particularly in the time of insulated case surface spraying semiconductor layer, be easy to cause electric field to concentrate and then produce even flashover of partial discharge, the safety of serious threat switchgear.
Therefore, be necessary to provide a kind of novel solid insulation ring main unit, overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of solid insulation ring main unit of tool fracture visual function, by being connected to the fracture visual device of insulated case top, isolation switch in observable insulated case contacts or released state with static contact seat, avoided at insulated case uplifting window, on the Electric Field Distribution in insulated case without impact.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of solid insulation ring main unit of tool fracture visual function, and the solid insulation ring main unit of described tool fracture visual function comprises:
Insulated case, its lower end is provided with leading-out terminal, and its sidewall is provided with end of incoming cables, is provided with static contact seat and contacts or separated isolation switch with described static contact seat in described insulated case, and described static contact seat is connected with described leading-out terminal, and described isolation switch is connected with described end of incoming cables;
Fracture visual device, it is connected to the top of described insulated case, described fracture visual device has mechanism case and is arranged on the reflection unit in described mechanism case, described mechanism case has observation window and light inlet window, described reflection unit has observation optical path speculum and illumination path speculum, the reflection ray of described observation optical path speculum is relative with described observation window, the incident ray of described illumination path speculum is relative with described light inlet window, and the reflection ray of the incident ray of described observation optical path speculum, described illumination path speculum is relative with described static contact seat respectively.
In a preferred embodiment, described observation optical path speculum and described illumination path speculum are glass mirror.
In a preferred embodiment, on described mechanism case, be connected with transmission mechanism, described isolation switch is connected with insulated tension pole, and described insulated tension pole is connected with described transmission mechanism.
In a preferred embodiment, the bottom of described insulated case is provided with ground contact seat.
Feature and the advantage of the solid insulation ring main unit of tool fracture visual function of the present utility model are: the solid insulation ring main unit of this tool fracture visual function, by being connected to the fracture visual device of insulated case top, observe contacting or released state of isolation switch in insulated case and static contact seat, this fracture visual device has the reflection unit that forms two-way light, the light that wherein a road light sends external light source is irradiated on static contact seat by light inlet window and illumination path speculum, an other road light reflexes to observation window by the diffuse light of static contact seat by observation optical path speculum.This reflection unit is arranged in mechanism case, and mechanism case and observation window thereof and light inlet window be all arranged in the top of insulated case, thereby has avoided at insulated case uplifting window, on the not impact completely of the Electric Field Distribution in insulated case, and the mechanism of package unit is simple, cost is extremely low, and reliability is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front view of the solid insulation ring main unit of tool fracture visual function of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of solid insulation ring main unit of tool fracture visual function, and it comprises insulated case 1 and fracture visual device 2.Wherein: the lower end of insulated case 1 is provided with leading-out terminal 11, its sidewall is provided with end of incoming cables 12, in described insulated case 1, being provided with static contact seat 13 contacts or separated isolation switch 14 with described static contact seat 13, described static contact seat 13 is connected with described leading-out terminal 11, and described isolation switch 14 is connected with described end of incoming cables 12, fracture visual device 2 is connected to the top of described insulated case 1, described fracture visual device 2 has mechanism case 21 and is arranged on the reflection unit 22 in described mechanism case 21, described mechanism case 21 has observation window 211 and light inlet window 212, described reflection unit 22 has observation optical path speculum 221 and illumination path speculum 222, the reflection ray 31 of described observation optical path speculum 221 is relative with described observation window 211, the incident ray 41 of described illumination path speculum 222 is relative with described light inlet window 212, the incident ray 32 of described observation optical path speculum 221, the reflection ray 42 of described illumination path speculum 222 is relative with described static contact seat 13 respectively.
Specifically, insulated case 1 is a closed metal framework, and it has inner chamber 15, and end of incoming cables 12 is connected on the sidewall of insulated case 1, and leading-out terminal 11 is connected to the bottom of insulated case 1, in the bottom of insulated case 1 inner chamber 15, is provided with ground contact seat 16.Static contact seat 13 and isolation switch 14 are arranged in inner chamber 15, static contact seat 13 is connected to one end that leading-out terminal 11 stretches into inner chamber 15, so that be located in the connecting line of leading-out terminal 11, be electrically connected to static contact seat 13, one end of isolation switch 14 is rotatably connected on end of incoming cables 12, so that be located in one end that the connecting line of end of incoming cables 12 is connected electrically in isolation switch 14, the other end of isolation switch 14 contacts with static contact seat 13 or is separated.
Fracture visual device 2 is comprised of mechanism case 1 and the reflection unit 22 that is connected on mechanism case 21 inwalls.Wherein, it is rectangular-shaped that mechanism case 21 is substantially, and it has hollow cavity 213, and mechanism case 21 is connected to the upper end of insulated case 1 by bolt 17 connectors such as grade, and its hollow cavity 213 is connected with the inner chamber 15 of insulated case 1; Observation window 211 and light inlet window 212 are opened in respectively on the sidewall of mechanism case 21.
The reflection unit 22 of fracture visual device 2 is comprised of observation optical path speculum 221 and illumination path speculum 222, and in the utility model, this observation optical path speculum 221 and illumination path speculum 222 are glass mirror.Observation optical path speculum 221 and illumination path speculum 222 and horizontal line be angled to be connected on the madial wall of mechanism case 21, so that the reflection ray 31 of observation optical path speculum 221 is relative with observation window 211, make the incident ray 41 of illumination path speculum 222 relative with light inlet window 212.
Wherein, the reflection ray 42 that the incident ray 41 of injecting from light inlet window 212 forms after 222 reflections of illumination path speculum is relative with the static contact seat 13 that is arranged in insulated case 1 inner chamber 15, observation optical path speculum 221 receives and carries out the incident ray 32 after diffuse reflection from static contact seat 13, this incident ray 32 forms described reflection ray 31 after 221 reflections of observation optical path speculum, and this reflection ray 31 penetrates by observation window 211.
Operation principle of the present utility model is as follows: the light of mechanism case 21 outsides of fracture visual device 2 is in light inlet window 212 access mechanism casees 21, this light forms incident ray 41 and is irradiated to illumination path speculum 222, after 222 reflections of illumination path speculum, form reflection ray 42 and be irradiated on the static contact seat 13 in insulated case 1, the light being irradiated on static contact seat 13 carries out forming an incident ray 32 after diffuse reflection, this incident ray 32 is irradiated to observation optical path speculum 221, after 221 reflections of observation optical path speculum, form reflection ray 31, this reflection ray 31 is outwards dispersed through observation window 211.When human eye is positioned at observation window 211 place, can be observed the situation whether isolation switch 14 in insulated case 1 contacts with static contact seat 13.
When isolation switch 14 contacts with static contact seat 13, be also isolation switch 14 when closing position, human eye can be observed at observation window 211 places isolation switch 14 and static contact seat 13 simultaneously; When isolation switch 14 is separated with static contact seat 13, also when isolation switch 14 moves to the A position (isolation switch 14 is in open position) in Fig. 1 and B position (now, isolation switch 14 contacts with ground contact seat 16, isolation switch 14 is in earthing position) while locating, now, only can see static contact seat 13 at observation window 211 places, and can't see isolation switch 14.
The solid insulation ring main unit of tool fracture visual function of the present utility model, by being connected to the fracture visual device 2 of insulated case 1 top, observe contacting or released state of isolation switch 14 in insulated case 1 and static contact seat 13, this fracture visual device 2 has the reflection unit 22 that forms two-way light, the light that wherein a road light sends external light source is irradiated on static contact seat 13 by light inlet window 212 and illumination path speculum 222, and an other road light reflexes to observation window 211 by the diffuse light of static contact seat 13 by observation optical path speculum 221.This reflection unit 22 is arranged in mechanism case 21, and mechanism case 21 and observation window 211 thereof and light inlet window 212 are all arranged in the top of insulated case 1, thereby avoided at insulated case 1 uplifting window, on the not impact completely of the Electric Field Distribution in insulated case 1, and the mechanism of package unit is simple, cost is extremely low, and reliability is high.
According to an execution mode of the present utility model, on described mechanism case 21, be connected with transmission mechanism 214, described isolation switch 14 is connected with insulated tension pole 18, and described insulated tension pole 18 is connected with described transmission mechanism 214.Specifically, transmission mechanism 214 is connected on the sidewall of mechanism case 21, and one end of insulated tension pole 18 is rotating to be connected with transmission mechanism 214, and the other end of insulated tension pole 18 is rotatably connected to the middle part of isolation switch 14.When the peripheral operation transmission mechanism 214 of operating personnel at mechanism case 21, transmission mechanism 214 drives insulated tension pole 18 axial displacements, and isolation switch 14 can move under the drive of insulated tension pole 18 between earthing position (being also the state that in Fig. 1, isolation switch 14 contacts with ground contact seat 16), open position (being also the A position in Fig. 1) and closing position (being also the state that in Fig. 1, isolation switch 14 contacts with static contact seat 13).
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various changes or modification and not depart from spirit and scope of the present utility model the utility model embodiment according to the disclosed content of application documents.
Claims (4)
1. a solid insulation ring main unit for tool fracture visual function, is characterized in that, the solid insulation ring main unit of described tool fracture visual function comprises:
Insulated case, its lower end is provided with leading-out terminal, and its sidewall is provided with end of incoming cables, is provided with static contact seat and contacts or separated isolation switch with described static contact seat in described insulated case, and described static contact seat is connected with described leading-out terminal, and described isolation switch is connected with described end of incoming cables;
Fracture visual device, it is connected to the top of described insulated case, described fracture visual device has mechanism case and is arranged on the reflection unit in described mechanism case, described mechanism case has observation window and light inlet window, described reflection unit has observation optical path speculum and illumination path speculum, the reflection ray of described observation optical path speculum is relative with described observation window, the incident ray of described illumination path speculum is relative with described light inlet window, and the reflection ray of the incident ray of described observation optical path speculum, described illumination path speculum is relative with described static contact seat respectively.
2. the solid insulation ring main unit of tool fracture visual function as claimed in claim 1, is characterized in that, described observation optical path speculum and described illumination path speculum are glass mirror.
3. the solid insulation ring main unit of tool fracture visual function as claimed in claim 1, is characterized in that, on described mechanism case, is connected with transmission mechanism, and described isolation switch is connected with insulated tension pole, and described insulated tension pole is connected with described transmission mechanism.
4. the solid insulation ring main unit of tool fracture visual function as claimed in claim 1, is characterized in that, the bottom of described insulated case is provided with ground contact seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320444854.XU CN203445503U (en) | 2013-07-24 | 2013-07-24 | Solid insulated ring main unit with fracture-visible function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320444854.XU CN203445503U (en) | 2013-07-24 | 2013-07-24 | Solid insulated ring main unit with fracture-visible function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445503U true CN203445503U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320444854.XU Expired - Fee Related CN203445503U (en) | 2013-07-24 | 2013-07-24 | Solid insulated ring main unit with fracture-visible function |
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| Country | Link |
|---|---|
| CN (1) | CN203445503U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393522A (en) * | 2014-12-10 | 2015-03-04 | 北海银河开关设备有限公司 | High-voltage switch refraction observation window |
| CN104410003A (en) * | 2014-12-05 | 2015-03-11 | 北京合锐赛尔电力科技股份有限公司 | Solid insulated ring network cabinet with light transmission window and visualization window and use method thereof |
-
2013
- 2013-07-24 CN CN201320444854.XU patent/CN203445503U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410003A (en) * | 2014-12-05 | 2015-03-11 | 北京合锐赛尔电力科技股份有限公司 | Solid insulated ring network cabinet with light transmission window and visualization window and use method thereof |
| CN104393522A (en) * | 2014-12-10 | 2015-03-04 | 北海银河开关设备有限公司 | High-voltage switch refraction observation window |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100192 Beijing City, Haidian District Road No. 15 building, Huayuan Qinghe small camp Patentee after: Beijing NARI yanhuayuan Power Technology Co. Ltd. Address before: 100192 Beijing City, Haidian District Road No. 15 building, Huayuan Qinghe small camp Patentee before: Dianyan Huayuan Power Tech. Co., Ltd., Beijing |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20200724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |