CN203192679U - Load switch end cover - Google Patents
Load switch end cover Download PDFInfo
- Publication number
- CN203192679U CN203192679U CN 201320195692 CN201320195692U CN203192679U CN 203192679 U CN203192679 U CN 203192679U CN 201320195692 CN201320195692 CN 201320195692 CN 201320195692 U CN201320195692 U CN 201320195692U CN 203192679 U CN203192679 U CN 203192679U
- Authority
- CN
- China
- Prior art keywords
- load switch
- end cover
- pressure releasing
- switch end
- end cap
- 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
Links
Images
Abstract
The utility model belongs to components of high-voltage power transmission and distribution equipment, and particularly relates to a load switch end cover. The load switch end cover with a pressure releasing function provided by the utility model comprises a body made of a transparent material, wherein the body is provided with a pressure releasing slot, and the wall thickness of the pressure releasing part is smaller than that of other parts of the body. As the end cover is transparent, so that operation conditions of a switch can be known visually, thereby being convenient for maintenance and repair. After arranging the pressure releasing slot on the body, when the air pressure inside the switch rises because of a certain fault and exceeds a prescribed range value, a connection part of the pressure releasing slot cracks and a high pressure gas is discharged, thereby guaranteeing the safety of equipment and operating personnel.
Description
Technical field
The utility model belongs to the parts of high pressure equipment for power transmission and distribution, specifically a kind of on-load switch end cap.
Background technology
Because the arc extinguishing of sulphur hexafluoride on-load switch high-quality and the performance of insulation, be widely used in now in the ring main unit, cable distribution box in the high-voltage electric power system.The air pressure of sulfur hexafluoride gas need reach certain requirement in the high voltage load switch, could guarantee the performance of its insulation and arc extinguishing.Because certain reason raises suddenly, when reaching certain value, as the pressure relief device discharging by arranging in advance, on-load switch will produce blast when air pressure, and initiation fire, accident such as have a power failure, hurt sb.'s feelings.
In addition, existing sulphur hexafluoride on-load switch product is when operation, and inner working condition is difficult to see, is not easy to understand at any time the state of switch, is unfavorable for judging whether to exist fault, has strengthened potential safety hazard.
Summary of the invention
The technical problems to be solved in the utility model has provided a kind of on-load switch end cap with the pressure release function, has ensured equipment and operations staff's safety, and can intuitively understand the operation conditions of switch, is convenient to Maintenance and Repair.
The utility model is that the technical scheme that the deficiency that addresses the above problem is taked is:
A kind of on-load switch end cap comprises the body of being made by transparent material, has gas pressure relief slot on the body, and the wall thickness of gas pressure relief slot part is less than the wall thickness of body other parts.
The cross sectional shape of described gas pressure relief slot is semicircle.
Described body be shaped as circle, be used for cooperating with columnar housing.
Described body center is provided with the installing hole that can cooperate with the on-load switch spindle nose.
The utility model with the advantage that existing on-load switch end cap is compared is: because end cap is to be made by transparent material, can intuitively understand the operation conditions of switch, be convenient to Maintenance and Repair.After the end cap body was provided with gas pressure relief slot, the air pressure when switch inside raise because of certain fault, and when surpassing the prescribed limit value, the part that this gas pressure relief slot connects will be broken, and gives off gases at high pressure, has ensured equipment and operations staff's safety.
Description of drawings
Figure one is end face structure schematic diagram of the present utility model;
Figure two is side sectional views of the present utility model;
Embodiment
The utility model, a kind of on-load switch end cap, its embodiment is:
As shown in Figure 1, body 1 is made by transparent material, has gas pressure relief slot 2 on the body 1, and the wall thickness of gas pressure relief slot 2 parts is less than the wall thickness of body 1 other parts.
Air pressure when switch inside raises because of certain fault, and when surpassing the prescribed limit value, the part that this gas pressure relief slot 2 connects can be broken, and gases at high pressure will be discharged from.
The cross sectional shape of described gas pressure relief slot 2 is semicircle.
Described body 1 be shaped as circle, be used for cooperating with columnar housing.
Described body 1 center is provided with the installing hole 3 that can cooperate with the on-load switch spindle nose.
Claims (4)
1. an on-load switch end cap comprises the body of being made by transparent material (1), has gas pressure relief slot (2) on the body (1), and the wall thickness of gas pressure relief slot (2) part is less than the wall thickness of body (1) other parts.
2. on-load switch end cap according to claim 1 is characterized in that: the cross sectional shape of described gas pressure relief slot (2) is for semicircle.
3. on-load switch end cap according to claim 1 is characterized in that: described body (1) be shaped as circle, be used for cooperating with columnar housing.
4. on-load switch end cap according to claim 1, it is characterized in that: described body (1) center is provided with the installing hole (3) that can cooperate with the on-load switch spindle nose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195692 CN203192679U (en) | 2013-04-18 | 2013-04-18 | Load switch end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195692 CN203192679U (en) | 2013-04-18 | 2013-04-18 | Load switch end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192679U true CN203192679U (en) | 2013-09-11 |
Family
ID=49109517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320195692 Expired - Fee Related CN203192679U (en) | 2013-04-18 | 2013-04-18 | Load switch end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203192679U (en) |
-
2013
- 2013-04-18 CN CN 201320195692 patent/CN203192679U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202632491U (en) | Live-line cabinet door mis-open voice alarm device | |
| CN203415532U (en) | Pluggable-type circuit protection device | |
| CN202806405U (en) | Device realizing anti-disassembling, outage and alarming functions | |
| CN203301050U (en) | Novel, safe and reliable high-voltage discharge bar | |
| CN203192679U (en) | Load switch end cover | |
| CN203871688U (en) | Arc-extinguishing resonance-eliminating cabinet | |
| CN204205318U (en) | The blast resistance construction of indoor electric gas holder | |
| CN203192675U (en) | Multifunction end cover of load switch | |
| CN102128955A (en) | Auxiliary safety measure device for high-voltage test | |
| CN205828265U (en) | A kind of drawing-off gas structure of Yellow phosphorus furnace transformator | |
| CN204190466U (en) | A kind of urgent danger prevention facility lithium secondary power supply for subsequent use explosion-proof tank | |
| CN203481694U (en) | Inflated high tension switchgear | |
| CN203454826U (en) | Safety warning system for smelter | |
| CN202059091U (en) | Pressure releasing device of GIS (Geographic Information System) combined appliance | |
| CN202351363U (en) | Novel ground fault warning device | |
| CN201821033U (en) | Fully-enclosed metal armor switch cabinet | |
| CN203278159U (en) | Lightning arrester support rack | |
| CN204243537U (en) | A kind of engineering machinery pneumatic control case | |
| CN202888688U (en) | A miniature transformer station | |
| CN203734144U (en) | Secondary power distribution combined electrical appliance | |
| CN202049208U (en) | Fault display instrument used for lightning arrester | |
| CN203180382U (en) | Grounding dolly for indoor metal armouring draw-out type switch equipment | |
| CN202111465U (en) | Power starting-free and automatic-protecting power distribution system | |
| CN204243494U (en) | A kind of explosion-proof observation window | |
| CN204760776U (en) | Hole structure of punching a hole is observed to high tension switchgear door plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160627 Address after: 212135, 8, Tongda Road, Shiqiao Town, Zhenjiang New District, Jiangsu, Zhenjiang Patentee after: Jiangsu Zhenbao Switch Electrical Appliances Co., Ltd. Address before: 212000 Zhenjiang province Jiangsu City New District Economic Development Zone South 4 Road No. 36, room 1310 Patentee before: Zhenjiang Weiyiai Electric Research Institute Co., Ltd. Patentee before: Jiangsu Zhenbao Switch Electrical Appliances Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20200418 |