CN203787897U - Junction box - Google Patents
Junction box Download PDFInfo
- Publication number
- CN203787897U CN203787897U CN201320817723.1U CN201320817723U CN203787897U CN 203787897 U CN203787897 U CN 203787897U CN 201320817723 U CN201320817723 U CN 201320817723U CN 203787897 U CN203787897 U CN 203787897U
- Authority
- CN
- China
- Prior art keywords
- casing
- junction box
- rainproof
- box body
- front side
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a junction box, comprising a box body and a rainproof portion. The rainproof portion is disposed on the top end of the box body. The rainproof portion extends from the rear side of the box body to the front side of the box body, and extends out of the front side. The rainproof portion comprises a rainproof plate and a bearing plate which are connected with each other. The bearing plate is connected with the rear side of the box body. The rainproof plate extends towards the front side of the box body. The junction box comprises the rainproof portion, and the rainproof portion is disposed on the top end of the box body and extends out of the box body, so as to shield rainwater and prevent rainwater from dropping on the box body directly. Thus, water seepage and leakage of the box body are effectively prevented, thereby preventing terminals from connecting with ground or being in short circuit caused by water flowing into the box body, and ensuring safe and stable operation of devices in a transformer station.
Description
Technical field
The utility model relates to field of electrical equipment, more specifically, relates to a kind of junction box.
Background technology
Existing transformer station is provided with a plurality of junction boxes for accommodating terminal outdoor, and these junction boxes' classification of waterproof is 2 grades, i.e. antidrip two types that spatter.There is infiltration, seepy question in this kind of junction box, after junction box's water inlet, very easily cause terminal ground connection or short circuit when in the face of the larger thunderstorm weather of precipitation, likely causes equipment malfunction or tripping, endangered the device security in transformer station and stably moved.
Two kinds of modes of available technology adopting solve the problem that junction box is leaked, first kind of way is to install waterproof sealing rubber strip additional to junction box, make junction box's classification of waterproof bring up to 5 grades, i.e. jet-prevention type, the injection that any direction is directly subject to water all can not leaked.But the classification of waterproof that improves junction box has increased junction box's cost, and again because open-air atmosphere is comparatively severe, waterproof sealing rubber strip can be aging rapidly, cause waterproof ability to decline.
Another kind of mode is to strengthen the daily tour of transformer station, if find, junction box seeps water, leaks and process rapidly.But make an inspection tour frequently the workload that has increased the O&M personnel of transformer station, be unfavorable for carrying out of work.
Utility model content
The utility model aims to provide a kind of junction box, to solve the junction box of prior art, in the rainy day, easily seeps water, leaks, and causes terminal ground connection in junction box or the problem of short circuit.
For solving the problems of the technologies described above, the utility model provides a kind of junction box, comprises casing and rainproof portion, and rainproof portion is arranged on the top of casing, and rainproof portion extends and protrudes from front side towards the direction of the front side of casing along the rear side by casing; Rainproof portion comprises interconnective flashing board and support plate, and support plate is connected with the rear side of casing, and flashing board extends towards the front side of casing.
Further, the distance that rainproof portion protrudes from front side is greater than 10 centimetres.
Further, rainproof portion all protrudes from left side and the right side of casing.
Further, rainproof portion protrudes from the left side of casing or the distance on right side is all greater than 5 centimetres.
Further, flashing board arranges obliquely, and flashing board is downward-sloping towards the direction of the front side of casing along the rear side of casing.
Further, the angle of inclination of flashing board is greater than 4 degree.
Further, the top of support plate extends upward and protrudes from the top of casing, and flashing board is connected with the top of support plate.
Further, support plate comprises interconnective first paragraph and second segment, and first paragraph is connected and extends upward with the rear side of casing, and second segment extends towards the direction of the front side of casing along the rear side of casing, and flashing board is connected with second segment.
Further, flashing board is connected with the top board of casing by screw.
Junction box of the present utility model comprises rainproof portion, rainproof portion is arranged on the top of casing, and stretch out casing, with this, carry out rain cover, prevent that rainwater from directly dropping on casing, can effectively avoid the situations such as casing seeps water, leaks like this, and then prevent from the terminal ground connection or the short circuit that cause due to casing water inlet from guaranteeing that the device security in transformer station stably moves.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the schematic diagram of the left surface of the junction box in the utility model; And
Fig. 2 has schematically shown the schematic diagram of the leading flank of the junction box in the utility model.
Reference numeral in figure: 10, casing; 11, top board; 20, rainproof portion; 21, flashing board; 22, support plate; 221, first paragraph; 222, second segment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The utility model provides a kind of junction box, as illustrated in fig. 1 and 2, this junction box comprises casing 10 and rainproof portion 20, and rainproof portion 20 is arranged on the top of casing 10, and rainproof portion 20 extends and protrudes from front side towards the direction of the front side of casing 10 along the rear side by casing 10.
Junction box of the present utility model comprises rainproof portion 20, rainproof portion 20 is arranged on the top of casing 10, and stretch out casing 10, with this, carry out rain cover, prevent that rainwater from directly splashing down on casing 10, can effectively avoid the situations such as casing 10 seeps water, leaks like this, and then prevent from the terminal ground connection or the short circuit that cause due to casing 10 water inlet from guaranteeing that the device security in transformer station stably moves.
Preferably, the distance that rainproof portion 20 protrudes from front side is greater than 10 centimetres.More preferably, rainproof portion 20 to protrude from the distance of front side be 12 centimetres.
The effect of rainproof portion 20 is to prevent that rainwater from directly splashing down on casing 10, so front side of rainproof portion 20 outstanding casings 10, and outstanding distance is determined according to the size of casing 10, in transformer station for the junction box of accommodating terminal, 12 centimetres of rainproof portion 20 outstanding casing 10 front sides are optimal selection.
Preferably, rainproof portion 20 all protrudes from left side and the right side of casing 10.More preferably, rainproof portion 20 protrudes from the left side of casing 10 or the distance on right side is all greater than 5 centimetres.More preferably, rainproof portion 20 protrudes from the left side of casing 10 or the distance on right side is 6 centimetres.
Rainproof portion 20 protrudes from the both sides of casing 10, further stops rainwater to splash on casing 10, thus the equipment in protection casing 10.
Preferably, rainproof portion 20 comprises interconnective flashing board 21 and support plate 22, and support plate 22 is connected with the rear side of casing 10, and flashing board 21 extends towards the front side of casing 10.Preferably, flashing board 21 is downward-sloping towards the direction of the front side of casing 10 along the rear side of casing 10.
Flashing board 21 arranges obliquely, prevents that the ability that rainwater splashes down from strengthening, and can make junction box's waterproof ability strengthen, to adapt to heavy rain weather.
Preferably, the angle of inclination of flashing board 21 is greater than 4 degree.More preferably, the angle of inclination of flashing board 21 is 5 degree.
Preferably, as shown in Figure 1, the top of support plate 22 extends upward and protrudes from the top of casing 10, and flashing board 21 is connected with the top of support plate 22.
Preferably, support plate 22 comprises interconnective first paragraph 221 and second segment 222, first paragraph 221 is connected and extends upward with the rear side of casing 10, and second segment 222 extends towards the direction of the front side of casing 10 along the rear side of casing 10, and flashing board 21 is connected with second segment 222.
Preferably, flashing board 21 is welded on second segment 222.
Preferably, as shown in Figure 1, casing 10 comprises top board 11, and first paragraph 221 is welded on top board 11.Alternatively, first paragraph 221 is fixed on top board 11 by screw.
Preferably, flashing board 21 is connected with the top board 11 of casing 10 by screw.Preferably, flashing board 21 is connected with the front part of the close casing 10 of top board 11.
Preferably, rainproof portion 20 is made by stainless steel.Stainless steel can tolerate open-air atmosphere, can realize long-time use, does not need regular maintenance.
Owing to thering is rainproof portion 20, improved the rainproof classification of waterproof of terminal box integral body, through actual, use, even in heavy rain weather, there is not the phenomenon of seepage rainwater in casing 10 yet.Meanwhile, rainproof portion 20 material therefors are corrosion resistant corrosion resistant plate, non-maintaining, can effectively reduce substation operation personnel and maintainer's workload.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a junction box, it is characterized in that, comprise casing (10) and rainproof portion (20), described rainproof portion (20) is arranged on the top of described casing (10), and described rainproof portion (20) is along being extended and protrude from described front side towards the direction of the front side of described casing (10) by the rear side of described casing (10); Described rainproof portion (20) comprises interconnective flashing board (21) and support plate (22), described support plate (22) is connected with the rear side of described casing (10), and described flashing board (21) extends towards the front side of described casing (10).
2. junction box according to claim 1, is characterized in that, the distance that described rainproof portion (20) protrudes from described front side is greater than 10 centimetres.
3. junction box according to claim 1, is characterized in that, described rainproof portion (20) all protrudes from left side and the right side of described casing (10).
4. junction box according to claim 3, is characterized in that, described rainproof portion (20) protrudes from the left side of described casing (10) or the distance on right side is all greater than 5 centimetres.
5. junction box according to claim 1, is characterized in that, described flashing board (21) arranges obliquely, and described flashing board (21) is downward-sloping towards the direction of the front side of described casing (10) along the rear side of described casing (10).
6. junction box according to claim 5, is characterized in that, the angle of inclination of described flashing board (21) is greater than 4 degree.
7. junction box according to claim 1, is characterized in that, the top of described support plate (22) extends upward and protrude from the top of described casing (10), and described flashing board (21) is connected with the top of described support plate (22).
8. junction box according to claim 7, it is characterized in that, described support plate (22) comprises interconnective first paragraph (221) and second segment (222), described first paragraph (221) is connected and extends upward with the rear side of described casing (10), described second segment (222) extends towards the direction of the front side of described casing (10) along the rear side of described casing (10), and described flashing board (21) is connected with described second segment (222).
9. junction box according to claim 1, is characterized in that, described flashing board (21) is connected with the top board (11) of described casing (10) by screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320817723.1U CN203787897U (en) | 2013-12-11 | 2013-12-11 | Junction box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320817723.1U CN203787897U (en) | 2013-12-11 | 2013-12-11 | Junction box |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203787897U true CN203787897U (en) | 2014-08-20 |
Family
ID=51324051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320817723.1U Expired - Fee Related CN203787897U (en) | 2013-12-11 | 2013-12-11 | Junction box |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203787897U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104716608A (en) * | 2013-12-11 | 2015-06-17 | 国家电网公司 | Junction box |
CN107481630A (en) * | 2017-09-26 | 2017-12-15 | 天津昊天伟业电子科技有限公司 | A kind of rain-proof outdoor display screen |
-
2013
- 2013-12-11 CN CN201320817723.1U patent/CN203787897U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104716608A (en) * | 2013-12-11 | 2015-06-17 | 国家电网公司 | Junction box |
CN107481630A (en) * | 2017-09-26 | 2017-12-15 | 天津昊天伟业电子科技有限公司 | A kind of rain-proof outdoor display screen |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20181211 |
|
CF01 | Termination of patent right due to non-payment of annual fee |