CN201425923Y - Sealing type circuit board mounting box - Google Patents
Sealing type circuit board mounting box Download PDFInfo
- Publication number
- CN201425923Y CN201425923Y CN2009201477718U CN200920147771U CN201425923Y CN 201425923 Y CN201425923 Y CN 201425923Y CN 2009201477718 U CN2009201477718 U CN 2009201477718U CN 200920147771 U CN200920147771 U CN 200920147771U CN 201425923 Y CN201425923 Y CN 201425923Y
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- CN
- China
- Prior art keywords
- circuit board
- mounting box
- type circuit
- board mounting
- closed type
- 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
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Abstract
The utility model discloses a sealing type circuit board mounting box, which comprises a casing and a chamber body, wherein the chamber body is arranged inside the casing and used for storing a circuit board. The sealing type circuit board mounting box is structurally characterized in that the mounting box further comprises a sealing cover, lateral walls of a left lateral end and a right lateral end of the casing are respectively equipped with a slide hole, and the sealing cover can be inserted into the slide holes and block an opening of the chamber body along a straight-line direction. The sealing type circuit board mounting box has the advantages that the sealing type circuit board mounting box is relatively small in occupied area, is not easy to be damaged and is relatively convenientand fast in repair and replacement.
Description
Technical field
The utility model belongs to the electrical structure design field, is specifically related to a kind of closed type circuit board mounting box.
Background technology
Need to use zero sequence current mutual inductor and control circuit board in the residual current circuit breaker, the shape of described zero sequence current mutual inductor generally all is circular.Traditional residual current circuit breaker all is to be arranged on control circuit board in the mounting seat of residual current circuit breaker or to be arranged on the loam cake inwall of residual current circuit breaker.Concerning residual current circuit breaker, zero sequence current mutual inductor and control circuit board take up room bigger, are the key factors that influences the residual current circuit breaker mounting seat area size of finally making.In addition, outside control circuit board is exposed to, be easy to damage because of being subjected to colliding with.In addition, residual current circuit breaker is being out of order, and in the time of need overhauling or change circuit board, operation is inconvenience comparatively.
The utility model content
The purpose of this utility model provides a kind ofly to be had than small footprint size, not fragile and change the closed type circuit board mounting box be used to put circuit board easily.
The technical scheme that realizes the utility model purpose is: a kind of closed type circuit board mounting box comprises housing and is arranged on the interior cavity that is used to put circuit board of housing; Its design feature is: this mounting box also comprises capping; Be equipped with a slide opening on the limit wall of described housing left and right sides end, described capping direction is along a straight line inserted in the described slide opening and is blocked the opening of described cavity.
In the technique scheme, the top of described housing is provided with the block piece that is used for preventing that described capping from coming off by the internal circuit board roof pressure and from the opening of cavity.
In the technique scheme, described block piece is the baffle plate that is injection molded into integral piece with described housing; Described capping is a slide plate.
In the technique scheme, the limit wall of described housing one side is provided with and is used for connecting groove or the wiring hole that power line is come in and gone out.
In the technique scheme, described housing is provided with the U-shaped breach that is used for self being set on the external circular mounting seat.
In the technique scheme, described U-shaped breach is arranged on lower edge place, described housing middle part.
In the technique scheme, the partial shell that is positioned at the described U-shaped breach left and right sides of described housing is symmetrical arranged.
In the technique scheme, the opening of described cavity is positioned at the top of described housing.
In the technique scheme, the partial shell that is arranged in the described U-shaped breach left and right sides of described housing respectively is provided with a circuit board storing chamber that is used to put circuit board.
In the technique scheme, the top that is positioned at described U-shaped breach of described housing also is provided with two circuit boards that are communicated with the described housing left and right sides and puts the connection chamber in chamber.
The utlity model has positive effect: in (1) the utility model, comprise a capping that matches with housing; Be equipped with a slide opening on the limit wall of described housing left and right sides end, described capping is a slide plate, and described slide plate direction along a straight line inserts in the described slide opening and blocks the opening of described cavity.It is more convenient that this method of utilizing the capping formula to seal uses, its area occupied is suitable substantially with the shared area of used zero sequence current mutual inductor, effectively reduce the area occupied of control circuit board, thereby reduced the area occupied of the residual current circuit breaker of finally making as far as possible; In addition, the mode of this mounting circuit boards also can make the interior wiring of residual current circuit breaker reduce, and makes integral body have clean and tidy, clean aesthetic feeling; The 3rd, the utility model is seated in control circuit board in the mounting box, both can effectively overcome circuit board because of being exposed to the outer drawback that causes damage easily, also can directly change the mounting box integral body of internal circuit board when needs overhaul, and makes service work very convenient; The 4th, mostly existing residual current circuit breaker switch self electric current of make-and-break is forceful electric power, and the circuit board energising is a weakness, because residual current circuit breaker switch inner volume is less, circuit board and forceful electric power conductor spacing are very near, breakdown accident takes place easily burn circuit board, and the housing in the utility model also can be used for isolated forceful electric power and weakness, increase insulation property, effectively avoid circuit board to be punctured and the phenomenon damaged by forceful electric power.
(2) in the utility model, described housing is provided with the U-shaped breach that is used for self being set on the external circular mounting seat, when concrete the use, can utilize this U-shaped breach that the utility model that is built-in with control circuit board is set on the circular outer wall of zero sequence current mutual inductor, installing and locating is very convenient.
(3) in the utility model, the top that is positioned at described U-shaped breach of described housing also is provided with two circuit boards that are communicated with the described housing left and right sides and puts the connection chamber in chamber.This connection chamber can have better practicability so that being arranged in two circuit boards in the circuit board storing chamber of the left and right sides is able to link to each other by electric wire or circuit board.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
The perspective view that Fig. 2 is a closed type circuit board mounting box shown in Figure 1 when another angle is observed;
Fig. 3 is a kind of perspective view of closed type circuit board mounting box middle shell shown in Figure 1;
The perspective view that Fig. 4 is a housing shown in Figure 3 when another angle is observed;
A kind of structural representation that Fig. 5 is a housing shown in Figure 3 when positive angle is observed;
Fig. 6 is a kind of perspective view of capping in the closed type circuit board mounting box shown in Figure 1.
Be labeled as shown in the accompanying drawing: housing 1, cavity 2, U-shaped breach 3, opening 4, circuit board is put chamber 5, connection chamber 6, capping 7, slide opening 8, block piece 9, connecting groove or wiring hole 10.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 6 has shown a kind of embodiment of the present utility model, and wherein, Fig. 1 is a kind of perspective view of the present utility model; The perspective view that Fig. 2 is a closed type circuit board mounting box shown in Figure 1 when another angle is observed; Fig. 3 is a kind of perspective view of closed type circuit board mounting box middle shell shown in Figure 1; The perspective view that Fig. 4 is a housing shown in Figure 3 when another angle is observed; Fig. 5 be housing shown in Figure 3 partly cut open structural representation; Fig. 6 is a kind of perspective view of capping in the closed type circuit board mounting box shown in Figure 1.
Present embodiment is a kind of closed type circuit board mounting box that is used in the residual current circuit breaker, sees Fig. 1 to Fig. 6, comprises housing 1, is arranged on the capping 7 that the cavity 2 and the described cavity hatch 4 of shutoff of circuit board are put in housing 1 interior being used to; Described housing 1 is provided with the U-shaped breach 3 that is used for self being set on the external circular mounting seat.Described U-shaped breach 3 is arranged on lower edge place, described housing 1 middle part.
The partial shell 1 that is positioned at described U-shaped breach 3 left and right sides of described housing 1 is symmetrical arranged.
The partial shell 1 that is arranged in described U-shaped breach 3 left and right sides of described housing 1 respectively is provided with a circuit board storing chamber 5 that is used to put circuit board.The top that is positioned at described U-shaped breach 3 of described housing 1 also is provided with two circuit boards that are communicated with described housing 1 left and right sides and puts the connection chamber 6 in chamber 5.The opening 4 of described circuit board storing chamber 5 and connection chamber 6 all is positioned at the top of described housing 1.
Be equipped with a slide opening 8 on the limit wall of described housing 1 left and right sides end, described capping 7 direction is along a straight line inserted in the described slide opening 8 and is blocked the opening 4 of described cavity 2.
Described capping 7 in the present embodiment is laminar slide plates.
Because in the practical application, used housing 1 and cavity 2 thereof are all less, after circuit board is placed on wherein, the often outwards described capping 7 of roof pressure, come off from cavity hatch 4 roof pressures by internal circuit board for fear of capping 7, the top of described housing 1 is provided with the block piece 9 that is used for preventing that described capping 7 from coming off by the internal circuit board roof pressure and from the opening 4 of cavity 2.Block piece 9 in the present embodiment is three baffle plates that are injection molded into integral piece with described housing 1.
For better wiring, the limit wall of described housing 1 one sides of present embodiment is provided with and is used for connecting groove or the wiring hole 10 that power line is come in and gone out.Power line can pass from this connecting groove or wiring hole, and it is quick to be easy to use.
Present embodiment only needs after internal circuit board in use, blocks the opening 4 of described cavity 2 with capping 7, directly is set in then on the circular outer wall of zero sequence current mutual inductor to get final product; That is to say the circular outer wall of zero sequence current mutual inductor as external circular mounting base.
In addition, present embodiment in use, also can be placed into the plastic liquid of using fusion in the cavity again to circuit board earlier, for example epoxy resin is cast in the cavity of housing, circuit board and housing sealed admittedly be integral part, capping is inserted in the slide opening at last, because capping has sheltered from solid envelope plastics, and the color of the color of described capping and housing can design in advance again, collocation rationally, and is comparatively attractive in appearance on the whole.
Present embodiment has positive effect: in (1) present embodiment, comprise a capping that matches with housing; Be equipped with a slide opening on the limit wall of described housing left and right sides end, described capping is a slide plate, and described slide plate direction along a straight line inserts in the described slide opening and blocks the opening of described cavity.It is more convenient that this method of utilizing the capping formula to seal uses, its area occupied is suitable substantially with the shared area of used zero sequence current mutual inductor, effectively reduce the area occupied of control circuit board, thereby reduced the area occupied of the residual current circuit breaker of finally making as far as possible; In addition, the mode of this mounting circuit boards also can make the interior wiring of residual current circuit breaker reduce, and makes integral body have clean and tidy, clean aesthetic feeling; The 3rd, present embodiment is seated in control circuit board in the mounting box, both can effectively overcome circuit board because of being exposed to the outer drawback that causes damage easily, also can directly change the mounting box integral body of internal circuit board when needs overhaul, and makes service work very convenient; The 4th, mostly existing residual current circuit breaker switch self electric current of make-and-break is forceful electric power, and the circuit board energising is a weakness, because residual current circuit breaker switch inner volume is less, circuit board and forceful electric power conductor spacing are very near, breakdown accident takes place easily burn circuit board, and the housing in the present embodiment also can be used for isolated forceful electric power and weakness, increase insulation property, effectively avoid circuit board to be punctured and the phenomenon damaged by forceful electric power.
(2) in the present embodiment, described housing is provided with the U-shaped breach that is used for self being set on the external circular mounting seat, when concrete the use, can utilize this U-shaped breach that the present embodiment that is built-in with control circuit board is set on the circular outer wall of zero sequence current mutual inductor, installing and locating is very convenient.
(3) in the present embodiment, the top that is positioned at described U-shaped breach of described housing also is provided with two circuit boards that are communicated with the described housing left and right sides and puts the connection chamber in chamber.This connection chamber can have better practicability so that being arranged in two circuit boards in the circuit board storing chamber of the left and right sides is able to link to each other by electric wire or circuit board.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (10)
1, a kind of closed type circuit board mounting box comprises housing (1) and is arranged on the interior cavity that is used to put circuit board (2) of housing (1); It is characterized in that: this mounting box also comprises capping (7); Be equipped with a slide opening (8) on the limit wall of described housing (1) left and right sides end, described capping (7) direction is along a straight line inserted in the described slide opening (8) and is blocked the opening (4) of described cavity (2).
2, closed type circuit board mounting box according to claim 1 is characterized in that: the top of described housing (1) is provided with the block piece (9) that is used for preventing that described capping (7) from coming off by the internal circuit board roof pressure and from the opening (4) of cavity (2).
3, closed type circuit board mounting box according to claim 2 is characterized in that: described block piece (9) is the baffle plate that is injection molded into integral piece with described housing (1); Described capping (7) is a slide plate.
4, closed type circuit board mounting box according to claim 1 is characterized in that: the limit wall of described housing (1) one side is provided with and is used for connecting groove or the wiring hole (10) that power line is come in and gone out.
5, closed type circuit board mounting box according to claim 1 is characterized in that: described housing (1) is provided with the U-shaped breach (3) that is used for self being set on the external circular mounting seat.
6, closed type circuit board mounting box according to claim 5 is characterized in that: described U-shaped breach (3) is arranged on lower edge place, described housing (1) middle part.
7, closed type circuit board mounting box according to claim 6 is characterized in that: the partial shell (1) that is positioned at described U-shaped breach (3) left and right sides of described housing (1) is symmetrical arranged.
8, closed type circuit board mounting box according to claim 1, it is characterized in that: the opening (4) of described cavity (2) is positioned at the top of described housing (1).
9, closed type circuit board mounting box according to claim 8 is characterized in that: the partial shell (1) that is arranged in described U-shaped breach (3) left and right sides of described housing (1) respectively is provided with a circuit board storing chamber (5) that is used to put circuit board.
10, closed type circuit board mounting box according to claim 9, it is characterized in that: the top that is positioned at described U-shaped breach (3) of described housing (1) also is provided with two circuit boards that are communicated with described housing (1) left and right sides and puts the connection chamber (6) in chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201477718U CN201425923Y (en) | 2009-04-14 | 2009-04-14 | Sealing type circuit board mounting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201477718U CN201425923Y (en) | 2009-04-14 | 2009-04-14 | Sealing type circuit board mounting box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425923Y true CN201425923Y (en) | 2010-03-17 |
Family
ID=42025377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201477718U Expired - Fee Related CN201425923Y (en) | 2009-04-14 | 2009-04-14 | Sealing type circuit board mounting box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425923Y (en) |
-
2009
- 2009-04-14 CN CN2009201477718U patent/CN201425923Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20140414 |