CN204966392U - Buchholz relay rain insensitive device - Google Patents
Buchholz relay rain insensitive device Download PDFInfo
- Publication number
- CN204966392U CN204966392U CN201520580250.7U CN201520580250U CN204966392U CN 204966392 U CN204966392 U CN 204966392U CN 201520580250 U CN201520580250 U CN 201520580250U CN 204966392 U CN204966392 U CN 204966392U
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- CN
- China
- Prior art keywords
- cover plate
- front shroud
- buchholz relay
- side apron
- shroud
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Abstract
The utility model relates to a buchholz relay rain insensitive device, its technical characterstic is: including front shroud, back shroud, upper cover plate, left side apron and right side apron, front shroud, back shroud, upper cover plate, left side apron and right side apron constitute a rectangle cover body, have a semicircle orifice in front shroud central authorities system, two of this semicircle orifice down along respectively downwards the straight line extend to in left side apron and the right side apron lower part and constitute the bottom of front shroud, have a rectangle opening in the left side system of right side apron. The utility model relates to a rationally, covering it on gas continues the electric appliance wiring terminal board, both having satisfied the actual need that the bleed valve was switchoverred, make the binding post box possess rainproof function again, improved gas relay operation's reliability, further reduced the possibility that the buchholz relay mistake was moved, fundamentally has solved the rain -proof problem of buchholz relay, has good protection effect.
Description
Technical field
The utility model belongs to relay protection technical field, especially a kind of Buchholz relay rain insensitive device.
Background technology
Buchholz relay (also known as Buchholz relay) is transformer a kind of protective device used; it is arranged in the pipeline between the conservator of transformer and fuel tank; when utilizing power transformer interior fault and make oil decomposition produce gas or cause oil flow surge; make the contact action of Buchholz relay; connect the control loop of specifying, and send signal alarm (light gas) in time or starting protection element excises transformer (grave gas) automatically.Light gas rises up into Buchholz relay by the gas of oil decomposition when being mainly reflected in operation or minor failure, air pressure makes pasta decline, the open cup of relay falls with pasta, light gas dry-reed contact is connected and is sent signal, when in light gas, gas is too much, by the valve of Buchholz relay, gas can be released.Grave gas mainly reflects operating significant trouble, when faults such as fuel tank internal are short-circuited, when fault point high-temperature electric arc will make transformer move, due to the viscosity of oil, forms oil stream, impact baffle plate.Baffle plate turning oil decomposites rapidly a large amount of methane gas, have the gas of certain pressure to conservator place band moving magnet and tongue tube close, attract dry-reed contact connect, tripping transformer each side switch also sends grave gas actuating signal.
Buchholz relay is all furnished with vent valve, and its effect is after running for the first time or changing oil, and the gas in oil gas may cause light gas misoperation the vent valve at relay top can be opened venting, or after fault generation, collect methane gas by vent valve, analysis ingredient, be convenient to accident analysis.The Buchholz relay rain cover of producer's standard configuration is covered Buchholz relay entirety; conveniently exit; vent valve to be drawn out to ground in actual applications and be convenient to venting in operation; Buchholz relay rain cover due to first wife is covered by whole Buchholz relay; tube connector cannot be installed, and therefore, the rain cover of first wife must be removed; now connecting terminal box does not have the protection of rain cover easily to cause terminal board to intake, and will cause great electric power safety production accident.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of Buchholz relay rain insensitive device, solves vent valve and is drawn out to the problem that ground after gas relay loses rainproof ability.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of Buchholz relay rain insensitive device, comprise front shroud, back shroud, upper cover plate, left cover and right cover plate, described front shroud, back shroud, upper cover plate, left cover and right cover plate form a rectangle cover body, a semicircle orifice is shaped with in front shroud central authorities, along extending to left cover and right cover plate middle and lower part respectively to lower straight line and forming the bottom of front shroud under two of this semicircle orifice, be shaped with an oblong openings in the left side of right cover plate.
And described front shroud, back shroud, upper cover plate, left cover and right cover plate adopt one piece of corrosion resistant plate brake forming, and weld at interface.
And the outer surface of described front shroud, back shroud, upper cover plate, left cover and right cover plate is coated with antirust paint.
Advantage of the present utility model and good effect are:
The utility model needs the actual conditions being forwarded to ground to make special rain cover for the specification of existing Buchholz relay and vent valve, covered on Buchholz relay connecting terminal box, both the actual needs of vent valve switching had been met, the rainproof function that made again connecting terminal box possess, thus be convenient in operation the discharge producing excessive gas in transformer, be beneficial to the sampling of accident generation after gas, improve the reliability of Buchholz relay action, reduce further the possibility of Buchholz relay malfunction, fundamentally solve the rainproof problem of Buchholz relay, there is good protected effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the right view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described:
A kind of Buchholz relay rain insensitive device, as shown in Figures 1 and 2, comprise front shroud 1, back shroud 5, upper cover plate 3, left cover 6 and right cover plate 4, described front shroud, back shroud, upper cover plate, left cover and right cover plate form a rectangle cover body, a semicircle orifice 2 is shaped with for dodging Buchholz relay lead-out wire terminal board upper cover set bolt in front shroud central authorities, along extending to left cover and right cover plate middle and lower part respectively to lower straight line and forming the bottom of front shroud under two of semicircle orifice, an oblong openings 7 is shaped with for dodging Buchholz relay terminal board outlet-pipe in the left side of right cover plate.
For the #5-#10 unit transformer Buchholz relay of army provisions city, Tianjin electricity generating corporation, Ltd, make according to Buchholz relay connecting terminal box size and lead-out wire position.During making, given size cutting according to the rules on a corrosion resistant plate: the length and width size of upper cover plate is respectively 152cm × 89.4cm, the height 60cm of left cover and right cover plate, wherein the length and width of the oblong openings of right cover plate are of a size of: 29.7cm × 38cm, the central point of front shroud semicircle orifice and the distance of upper cover plate are 17.72cm, the radius of semicircle orifice is 10.6cm, is 37.2cm with the distance of upper cover plate bottom front shroud.Corrosion resistant plate brake forming after cropped, and docking port welds, and accomplishes to seal completely, appearance sprays antirust paint again, thus obtains Buchholz relay rain insensitive device.The rain insensitive device made directly is buckled on the connecting terminal box on Buchholz relay and can completes installation, the rainproof ability of existing Buchholz relay after installation, can be strengthened.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in embodiment; every other execution modes drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (3)
1. a Buchholz relay rain insensitive device, it is characterized in that: comprise front shroud, back shroud, upper cover plate, left cover and right cover plate, described front shroud, back shroud, upper cover plate, left cover and right cover plate form a rectangle cover body, a semicircle orifice is shaped with in front shroud central authorities, along extending to left cover and right cover plate middle and lower part respectively to lower straight line and forming the bottom of front shroud under two of this semicircle orifice, be shaped with an oblong openings in the left side of right cover plate.
2. Buchholz relay rain insensitive device according to claim 1, is characterized in that: described front shroud, back shroud, upper cover plate, left cover and right cover plate adopt one piece of corrosion resistant plate brake forming, and weld at interface.
3. Buchholz relay rain insensitive device according to claim 1 or 2, is characterized in that: the outer surface of described front shroud, back shroud, upper cover plate, left cover and right cover plate is coated with antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580250.7U CN204966392U (en) | 2015-08-04 | 2015-08-04 | Buchholz relay rain insensitive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580250.7U CN204966392U (en) | 2015-08-04 | 2015-08-04 | Buchholz relay rain insensitive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966392U true CN204966392U (en) | 2016-01-13 |
Family
ID=55061440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520580250.7U Active CN204966392U (en) | 2015-08-04 | 2015-08-04 | Buchholz relay rain insensitive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146738A (en) * | 2017-06-02 | 2017-09-08 | 成都雷纳斯科技有限公司 | A kind of Buchholz relay protective cover |
| CN107204231A (en) * | 2017-06-02 | 2017-09-26 | 成都雷纳斯科技有限公司 | A kind of oil-filled transformer Buchholz relay protective cover |
-
2015
- 2015-08-04 CN CN201520580250.7U patent/CN204966392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146738A (en) * | 2017-06-02 | 2017-09-08 | 成都雷纳斯科技有限公司 | A kind of Buchholz relay protective cover |
| CN107204231A (en) * | 2017-06-02 | 2017-09-26 | 成都雷纳斯科技有限公司 | A kind of oil-filled transformer Buchholz relay protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |