CN103715620A - Safety pressure release device for direct current heavy current switch cabinet - Google Patents
Safety pressure release device for direct current heavy current switch cabinet Download PDFInfo
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- CN103715620A CN103715620A CN201310718415.8A CN201310718415A CN103715620A CN 103715620 A CN103715620 A CN 103715620A CN 201310718415 A CN201310718415 A CN 201310718415A CN 103715620 A CN103715620 A CN 103715620A
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- pressure release
- release valve
- cabinet
- junction panel
- cabinet body
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Abstract
The invention discloses a safety pressure release device for a direct current heavy current switch cabinet. The safety pressure release device comprises a pressure release valve arranged at a top portion of a cabinet body, one end of the pressure release valve is hinged on the cabinet body, the other end of the pressure release valve swings around a hinge shaft, the cabinet body is internally provided with a linkage board near a central separator board of the cabinet body, the separator board extends upwards to form a shutter on a side face at the top portion of the cabinet body, a top end of the linkage board is hinged on the cabinet body through the hinge shaft, the top end of the linkage board is provided with a hook head, a free end of the pressure release valve is connected with a driving pin through a connection rod, the driving pin is stopped on a guide face at an inner side of the hook head, and a bottom end of the linkage board is enabled to press against an upper portion of the separator board under the action of the guide face of the hook head when the pressure release valve is opened at a largest state. Through the safety pressure release device, not only can a maintainer be prevented from hurt generated by an arcing test, but also rapid pressure release can be carried out to realize a safety protection grade, and the protection grade can reach an IP23 grade.
Description
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Technical field
The present invention relates to a kind of high-current switch cabinet, specifically a kind of D.C. high-current switch cubicle safe pressure relief device.
Background technology
The general mode of cut-offfing in air that adopts of DC circuit breaker, in interrupting process, can produce a large amount of smog, if these smog can not be discharged outside cabinet in time, can exert an influence to cut-offfing next time, therefore when conventional cabinet design, frequent way is to back down several rows of square hole at cabinet, the one, guarantee heat radiation, and the 2nd, as early as possible smog is discharged; But adopt such structure can make degree of protection lower, can only reach IP20 class requirement; When in some special occasions, when used, can not meet the requirement of IP23 degree of protection aboard ship.
In addition, the test requirements document of switch cubicle arcing can not directly be offered shutter in cabinet side, otherwise the smog spraying in interrupting process likely can produce fatal impact to maintainer.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of D.C. high-current switch cubicle safe pressure relief device that can avoid harm that arcing test produces again can quick pressure releasing to reach class of safety protection.
In order to solve the problems of the technologies described above, D.C. high-current switch cubicle safe pressure relief device of the present invention, comprises the pressure release valve that is arranged on cabinet top; Pressure release valve one end is hinged on cabinet, and the other end can swing around jointed shaft; In cabinet, be provided with the junction panel near cabinet intermediate membrane, dividing plate extends upward and forms the shutter that is positioned at cabinet top-side, the top of junction panel is hinged on cabinet by jointed shaft, on the top of junction panel, be provided with gib head, the free end of pressure release valve connects drive pin by connecting rod, drive pin is spacing on the spigot surface of gib head inner side, can under the effect of gib head spigot surface, make the bottom of junction panel be pressed over the top of dividing plate when pressure release valve is opened maximum rating.
Described pressure release valve is provided with more than two, between adjacent pressure release valve, by connecting rod, connects.
The bottom of described junction panel is provided with flanging, and the flanging of junction panel extends to the opposite direction of dividing plate.
The spigot surface of described gib head inner side is guiding surface, and while making pressure release valve be opened to maximum rating, drive pin is positioned at the upper extreme point position of guiding surface, and when pressure release valve is closed completely, drive pin is positioned at the point midway of guiding surface.
Adopt after above-mentioned structure, due to the junction panel with gib head arranging, dividing plate extends upward and forms the shutter that is positioned at cabinet top-side, the free end of pressure release valve connects drive pin by connecting rod, drive pin is spacing on the spigot surface of gib head inner side, realized thus and when pressure release valve is opened maximum rating, can under the effect of gib head spigot surface, make the bottom of junction panel be pressed over the top of dividing plate, also just make air-flow discharge by pressure release valve, when closing completely, air-flow can only be run out of from being positioned at the shutter of cabinet top-side, the harm that can avoid thus arcing test to produce maintainer can quick pressure releasing reach class of safety protection again, degree of protection can reach IP23 grade.
Accompanying drawing explanation
Fig. 1 is the structural representation of the complete opening of pressure release valve in the present invention;
Fig. 2 is the A place structure for amplifying schematic diagram of Fig. 1;
Fig. 3 is the structural representation of pressure release valve buttoned-up status in the present invention;
Fig. 4 is the B place structure for amplifying schematic diagram of Fig. 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, D.C. high-current switch cubicle safe pressure relief device of the present invention is described in further detail.
As shown in the figure, D.C. high-current switch cubicle safe pressure relief device of the present invention, comprises the pressure release valve 2 that is arranged on cabinet 1 top, pressure release valve 2 one end are hinged on cabinet 1, and the other end can swing around jointed shaft, said pressure release valve 2 can be provided with more than two, between adjacent pressure release valve 2, by connecting rod 8, connect, increased thus exhaust effect, in cabinet 1, be provided with the junction panel 4 near cabinet intermediate membrane 3, dividing plate 3 extends upward and forms the shutter 5 that is positioned at cabinet top-side, the top of junction panel 4 is hinged on cabinet 1 by jointed shaft, on the top of junction panel, be provided with gib head 6, the free end of pressure release valve 2 connects drive pin 7 by connecting rod, drive pin 7 is spacing on the spigot surface of gib head 6 inner sides, when opening maximum rating, pressure release valve 2 can under the effect of gib head spigot surface, make the bottom of junction panel 4 be pressed over the top of dividing plate 3.
Further can be provided with in the bottom of junction panel 4 flanging 9, the flanging of junction panel extends to the opposite direction of dividing plate 3; The spigot surface of gib head 6 inner sides is guiding surface, and while making pressure release valve 2 be opened to maximum rating, drive pin is positioned at the upper extreme point position of guiding surface, and when pressure release valve 2 is closed completely, drive pin is positioned at the point midway of guiding surface; The point midway that when folded edges arranging is closed completely with pressure release valve 2, drive pin is positioned at guiding surface cooperatively interacts and can make flanging formation air-flow spigot surface, can better air-flow be discharged from shutter thus.
Detailed process is as follows:
Before circuit breaker does not cut-off, the pressure release valve at cabinet top is closed, and as shown in Figure 3, Figure 4, now heat dissipation channel is also in opening in junction panel position, and the heat that dynamic/static contact place produces is outside heat dissipation direction C gets rid of cabinet.
When normally cut-offfing due to short circuit or circuit breaker, a large amount of smog that circuit breaker cut-offs generation sharply expand, can produce pressure, under pressure, pressure release valve meeting quick acting, drives junction panel to move to position as shown in Figure 1 and Figure 2, now can see, temperature rise heat dissipation channel is by temporary close, and a large amount of smog can be got rid of from cabinet top; After earth pressure release, pressure release valve resets under Action of Gravity Field, and junction panel also resets to position as shown in Figure 3, Figure 4, and remaining smog can slowly shed from heat dissipation channel, can not exert an influence to cut-offfing next time.
Claims (4)
1. a D.C. high-current switch cubicle safe pressure relief device, is characterized in that: comprise the pressure release valve (2) that is arranged on cabinet (1) top, it is upper that pressure release valve (2) one end is hinged on cabinet (1), and the other end can swing around jointed shaft, in described cabinet (1), be provided with the junction panel (4) near cabinet intermediate membrane (3), dividing plate (3) extends upward and forms the shutter (5) that is positioned at cabinet top-side, the top of junction panel (4) is hinged on cabinet (1) by jointed shaft, on the top of described junction panel, be provided with gib head (6), the free end of pressure release valve (2) connects drive pin (7) by connecting rod, drive pin (7) is spacing on the spigot surface of gib head (6) inner side, when opening maximum rating, pressure release valve (2) can under the effect of gib head spigot surface, make the bottom of junction panel (4) be pressed over the top of dividing plate (3).
2. according to D.C. high-current switch cubicle safe pressure relief device claimed in claim 1, it is characterized in that: described pressure release valve (2) is provided with more than two, between adjacent pressure release valve (2), by connecting rod (8), connect.
3. according to D.C. high-current switch cubicle safe pressure relief device claimed in claim 1, it is characterized in that: the bottom of described junction panel (4) is provided with flanging (9), the flanging of junction panel extends to the opposite direction of dividing plate (3).
4. according to D.C. high-current switch cubicle safe pressure relief device claimed in claim 3, it is characterized in that: the spigot surface of described gib head (6) inner side is guiding surface, and while making pressure release valve (2) be opened to maximum rating, drive pin is positioned at the upper extreme point position of guiding surface, when pressure release valve (2) is closed completely, drive pin is positioned at the point midway of guiding surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310718415.8A CN103715620B (en) | 2013-12-24 | 2013-12-24 | Safety pressure release device for direct current heavy current switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310718415.8A CN103715620B (en) | 2013-12-24 | 2013-12-24 | Safety pressure release device for direct current heavy current switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103715620A true CN103715620A (en) | 2014-04-09 |
| CN103715620B CN103715620B (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310718415.8A Active CN103715620B (en) | 2013-12-24 | 2013-12-24 | Safety pressure release device for direct current heavy current switch cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN103715620B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938995A (en) * | 2016-06-23 | 2016-09-14 | 广州白云电器设备股份有限公司 | Switchgear capable of effectively preventing burning arc leakage accidents |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786007B (en) * | 2016-12-27 | 2019-02-26 | 山东爱普电气设备有限公司 | One kind can divulge information valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004274910A (en) * | 2003-03-10 | 2004-09-30 | Yaskawa Electric Corp | Bursting device for gas switch |
| CN201051620Y (en) * | 2007-05-28 | 2008-04-23 | 天津市三源电力设备制造有限公司 | Voltage leakage device for switch device |
| JP2011055672A (en) * | 2009-09-03 | 2011-03-17 | Toshiba Corp | Metal-enclosed switchgear |
| CN202308887U (en) * | 2011-11-09 | 2012-07-04 | 重庆博森电气（集团）有限公司 | Electrical switch cabinet pressure releasing device and electrical switch cabinet |
| CN203632015U (en) * | 2013-12-24 | 2014-06-04 | 大全集团有限公司 | Safe pressure releasing device of DC large-current switchgear |
-
2013
- 2013-12-24 CN CN201310718415.8A patent/CN103715620B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004274910A (en) * | 2003-03-10 | 2004-09-30 | Yaskawa Electric Corp | Bursting device for gas switch |
| CN201051620Y (en) * | 2007-05-28 | 2008-04-23 | 天津市三源电力设备制造有限公司 | Voltage leakage device for switch device |
| JP2011055672A (en) * | 2009-09-03 | 2011-03-17 | Toshiba Corp | Metal-enclosed switchgear |
| CN202308887U (en) * | 2011-11-09 | 2012-07-04 | 重庆博森电气（集团）有限公司 | Electrical switch cabinet pressure releasing device and electrical switch cabinet |
| CN203632015U (en) * | 2013-12-24 | 2014-06-04 | 大全集团有限公司 | Safe pressure releasing device of DC large-current switchgear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938995A (en) * | 2016-06-23 | 2016-09-14 | 广州白云电器设备股份有限公司 | Switchgear capable of effectively preventing burning arc leakage accidents |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103715620B (en) | 2016-02-10 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151229 Address after: 212211 Jiangsu city of Yangzhong Province in the New South Road Xinba No. 66 Applicant after: Jiangsu Daqo Kfine Electric Co., Ltd. Address before: 212211 Jiangsu city of Zhenjiang province Yangzhong city new town of New South Road, No. 66 Applicant before: Daquan Group Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212211 Jiangsu city of Yangzhong Province in the New South Road Xinba No. 66 Patentee after: JIANGSU DAQO KFINE ELECTRIC Co.,Ltd. Address before: 212211 Jiangsu city of Yangzhong Province in the New South Road Xinba No. 66 Patentee before: JIANGSU DAQO KAIFAN ELECTRICAL APPLIANCE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |