CN203690230U - Residual-current circuit breaker housing and residual-current circuit breakers employing same - Google Patents
Residual-current circuit breaker housing and residual-current circuit breakers employing same Download PDFInfo
- Publication number
- CN203690230U CN203690230U CN201420086646.1U CN201420086646U CN203690230U CN 203690230 U CN203690230 U CN 203690230U CN 201420086646 U CN201420086646 U CN 201420086646U CN 203690230 U CN203690230 U CN 203690230U
- Authority
- CN
- China
- Prior art keywords
- current circuit
- moving contact
- circuit breaker
- contact
- fixed contact
- 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
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a residual-current circuit breaker housing and residual-current circuit breakers employing the same and specifically discloses a residual-current circuit breaker housing. The residual-current circuit breaker includes a pedestal provided with a wiring cavity used for providing space for wire connection and an accommodation cavity used for accommodating an arc distinguish chamber and a contact system. The wiring cavity is arranged in an end part of the pedestal. The accommodation cavity is arranged next to an end of the wiring cavity away from the end part of the pedestal. The central part of the accommodation cavity is provided with a support boss. The top end of the support boss is provided with a first supporting face. A side face of the accommodation cavity away from an end of the wiring cavity is provided with a second supporting face. The first supporting face and the second supporting face are disposed on the same plane. The utility model also discloses two kinds of residual-current circuit breakers employing the above residual-current circuit breaker housing. The residual-current circuit breaker housing provided by the utility model has advantages of being suitable of receiving statics with two different structures and corresponding arc distinguish chambers. One kind of the statics is provided with an inverted-U-structure on an end while the other kind of the statics is provided with a flat-board-shaped structure on an end.
Description
Technical field
The utility model belongs to Low Voltage Electrical Apparatus, is specifically related to a kind of residual current circuit breaker housing and the residual current circuit breaker with this residual current circuit breaker housing.
Background technology
Electric current under the connection of residual current circuit breaker energy, carrying and disjunction normal circuit condition; also can, at the lower connection of the improper circuit of defined (routine short circuit), carrying certain hour and breaking current, earth leakage protective a kind of device for switching, be widely used in the places such as industrial and mining enterprises, skyscraper, building site, business and family.
In residual current circuit breaker in the market, also there is following defect: residual current circuit breaker housing cannot be suitable for installing the fixed contact of two kinds of different structures, exist particular problem to describe in detail with regard to two kinds of common residual current circuit breaker housings below:
The residual current circuit breaker housing of the first structure is suitable for installing the fixed contact that fixed contact one end is inverted U structure is set, this residual current circuit breaker housing comprises pedestal, described pedestal is provided with containing cavity, described fixed contact is arranged in containing cavity, middle part at described containing cavity is provided with support rim, described support rim top is provided with supporting surface, described inverted U structure is by the current-carrying district connecting successively, Support and bonding pad form, described current-carrying district and described bonding pad be arranged in parallel, and current-carrying district is located at the top of bonding pad, described fixed contact is located on the upper surface in current-carrying district, the lower surface of described bonding pad and the diapire of described containing cavity are affixed, described bonding pad is provided with location hole, and described support rim is located in location hole, and described supporting surface is against in described current-carrying district.If adopting above-mentioned residual current circuit breaker housing to install fixed contact one end is set is straight tabular fixed contact, described supporting surface is against the middle part of this fixed contact, it is unsettled that fixed contact arranges one end of fixed contact, this just causes this fixed contact being subject to, after moving contact collision, downward distortion to occur, dynamic/static contact is after frequent impact, to cause dynamic/static contact cannot form reliable electrical connection, and then affect residual current circuit breaker and normally use.
The residual current circuit breaker housing of the second structure is suitable for installing that fixed contact one end is set is straight tabular fixed contact, this residual current circuit breaker housing comprises pedestal, described pedestal is provided with containing cavity, described fixed contact is arranged in containing cavity, middle part at described containing cavity is provided with support rim, the top of described support rim is provided with the first supporting surface, the sidewall of described containing cavity is provided with the second supporting surface, the meeting of described the first supporting surface is against the middle part of described fixed contact, and described the second supporting surface is against described fixed contact fixed contact one end is set.If adopt above-mentioned residual current circuit breaker housing to install, the fixed contact that fixed contact one end is inverted U structure is set, this fixed contact can be arranged on above-mentioned residual current circuit breaker housing, but arc control device correspondingly but can not be installed, specifically the dividing plate bottom on arc control device can be stopped and cause being in place by described the second supporting surface, and then causes circuit breaker normally to use.
In sum, the equal Shortcomings of the structure of above-mentioned two kinds of residual current circuit breaker housings, is badly in need of occurring a kind of residual current circuit breaker housing that can be suitable for installing above-mentioned two kinds of fixed contacts and corresponding arc control device in the market.
Utility model content
Technical problem to be solved in the utility model is the problem that in residual current circuit breaker in the market, residual current circuit breaker housing cannot be suitable for installing following two kinds of fixed contacts and corresponding arc control device, be that one end that fixed contact is set is a fixed contact for inverted U structure, another kind is that one end that fixed contact is set is straight tabular fixed contact.
The technical scheme that realizes the utility model object is:
In order to address the above problem, the technical solution adopted in the utility model is as follows:
A kind of residual current circuit breaker housing, comprises pedestal, and described pedestal is provided with for the wire connection cavity of wiring with for the containing cavity of accommodating arc control device and contact system, and described wire connection cavity is located at the end of described pedestal; Described containing cavity is in abutting connection with being arranged at the side of described wire connection cavity away from base ends;
The middle part of described containing cavity is provided with support rim, and the top of described support rim is provided with the first supporting surface, and described containing cavity is provided with the second supporting surface away from the sidewall of described wire connection cavity one end, and described the first supporting surface and the second supporting surface place are at grade.
The utility model provides a kind of residual current circuit breaker, comprises described residual current circuit breaker housing, and is arranged on arc control device and contact system in described containing cavity;
Described arc control device comprise arc extinguishing grid pieces and the dividing plate that is arranged on described arc extinguishing grid pieces two ends, and described arc extinguishing grid pieces is provided with U-shaped opening;
Described contact system comprises and is arranged on the fixed contact of described arc control device below and the moving contact coordinating with described fixed contact, and one end that described moving contact arranges moving contact is arranged in the U-shaped opening of described arc control device;
One end that described fixed contact arranges fixed contact is inverted U structure, described inverted U structure is made up of the current-carrying district, Support and the bonding pad that connect successively, described current-carrying district and described bonding pad be arranged in parallel, and current-carrying district is located at the top of bonding pad, described fixed contact is located on the upper surface in current-carrying district, and the lower surface of described bonding pad and the diapire of described containing cavity are affixed;
Described bonding pad is provided with location hole, described support rim is located in location hole, described the first supporting surface is against in described current-carrying district, and described dividing plate is inserted in the gap of described current-carrying district's side and containing cavity sidewall, and the lower end of described dividing plate is against on described bonding pad.
In technique scheme, described moving contact is made up of the first moving contact and the second moving contact, and described the first moving contact and the second moving contact, by rivet, are provided with gap between described the first moving contact and described the second moving contact.
The utility model also provides a kind of residual current circuit breaker, comprises described residual current circuit breaker housing, and is arranged on arc control device and contact system in described containing cavity;
Described arc control device comprise arc extinguishing grid pieces and the dividing plate that is arranged on described arc extinguishing grid pieces two ends, and described arc extinguishing grid pieces is provided with U-shaped opening;
Described contact system comprises and is arranged on the fixed contact of described arc control device below and the moving contact coordinating with described fixed contact, and one end that described moving contact arranges moving contact is arranged in the U-shaped opening of described arc control device;
One end that described fixed contact arranges fixed contact is straight tabular, and described the first supporting surface is against the middle part of described fixed contact, and described the second supporting surface is against described fixed contact and arranges one end of fixed contact.
In technique scheme, described moving contact is made up of the first moving contact and the second moving contact, and described the first moving contact and the second moving contact, by rivet, are provided with gap between described the first moving contact and described the second moving contact.
The utlity model has positive effect:
In residual current circuit breaker housing in the utility model, owing to being provided with support rim, be provided with the first supporting surface on the top of described support rim, and the second supporting surface is set on the sidewall away from described wire connection cavity one end at containing cavity, thus, on residual current circuit breaker housing of the present utility model, install when fixed contact one end is set is the fixed contact of inverted U structure, the second blocking surface can not stop corresponding with it arc control device, thereby this fixed contact and arc control device can be in place; If install on residual current circuit breaker housing of the present utility model when fixed contact one end is set is straight tabular fixed contact, the middle part of this fixed contact can be supported by the first supporting surface, its one end that fixed contact is set can be supported by the second supporting surface, corresponding arc control device also can be installed with it, thereby this kind of fixed contact also can be in place with corresponding arc control device, therefore, the residual current circuit breaker housing in the utility model can be suitable for installing above-mentioned two kinds of fixed contacts and corresponding arc control device; Two kinds of residual current circuit breaker in the utility model have all been used above-mentioned residual current circuit breaker housing, and rational in infrastructure, result of use is good.
Brief description of the drawings
Fig. 1 is a kind of structural representation of residual current circuit breaker housing of the present utility model;
Fig. 2 is the cutaway view dissecing along A-A line in Fig. 1;
Fig. 3 is a kind of perspective view of Fig. 1;
Fig. 4 is a kind of structural representation of the first residual current circuit breaker in the utility model;
Fig. 5 is the cutaway view dissecing along B-B line in Fig. 4;
Fig. 6 is the cutaway view dissecing along C-C line in Fig. 4;
Fig. 7 is the structural representation of the fixed contact in Fig. 4;
Fig. 8 is a kind of structural representation of the second residual current circuit breaker in the utility model;
Fig. 9 is the cutaway view dissecing along D-D line in Fig. 8;
Figure 10 is the cutaway view dissecing along E-E line in Fig. 8;
Figure 11 is the structural representation of the fixed contact in Fig. 8;
Figure 12 is a kind of front view of moving contact in the utility model;
Figure 13 is a kind of perspective view while observing Figure 10 from another angle;
Reference numeral shown in figure is: 1-pedestal; 11-containing cavity; 12-wire connection cavity; 2-arc control device; 21-arc extinguishing grid pieces; 22-dividing plate; 3-support rim; 31-the first supporting surface; 4-the second supporting surface; 5-fixed contact; 51-current-carrying district; 52-Support; 53-bonding pad; 6-moving contact; 61-the first moving contact; 62-the second moving contact.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail:
(embodiment 1, residual current circuit breaker housing)
As shown in Figure 1 to Figure 3, a kind of residual current circuit breaker housing, comprises pedestal 1, described pedestal 1 be provided with for the wire connection cavity 12 of wiring and for accommodating arc control device 2 containing cavity 11 with contact system, described wire connection cavity 12 is located at the end of described pedestal 1; Described containing cavity 11 is in abutting connection with being arranged at the side of described wire connection cavity 12 away from pedestal 1 end; The middle part of described containing cavity 11 is provided with support rim 3, the top of described support rim 3 is provided with the first supporting surface 31, described containing cavity 11 is provided with the second supporting surface 4 away from the sidewall of described wire connection cavity 12 one end, and described the first supporting surface 31 and the second supporting surface 4 places are at grade.The residual current circuit breaker housing of the present embodiment, by adopting said structure, just can be suitable for installing the fixed contact of two kinds of different structures, referring specifically to embodiment 2 and embodiment 3.
(embodiment 2, residual current circuit breaker)
As shown in Figures 4 to 7, a kind of residual current circuit breaker, comprises the residual current circuit breaker housing described in embodiment 1, and is arranged on arc control device 2 and contact system in described containing cavity 11; Described arc control device 2 comprise arc extinguishing grid pieces 21 and the dividing plate 22 that is arranged on described arc extinguishing grid pieces 21 two ends, and described arc extinguishing grid pieces 21 is provided with U-shaped opening; Described contact system comprises the moving contact 6 that is arranged on the fixed contact 5 of described arc control device 2 belows and coordinates with described fixed contact 5, and one end that described moving contact 6 arranges moving contact is arranged in the U-shaped opening of described arc control device 2; One end that described fixed contact 5 in the present embodiment arranges fixed contact is inverted U structure, described inverted U structure is made up of the current-carrying district 51 connecting successively, Support 52 and bonding pad 53, described current-carrying district 51 be arranged in parallel with described bonding pad 53, and current-carrying district 51 is located at the top of bonding pad 53, described fixed contact is located on the upper surface in current-carrying district 51, and the diapire of the lower surface of described bonding pad 53 and described containing cavity 11 is affixed; Described bonding pad 53 is provided with location hole, described support rim 3 is located in location hole, described the first supporting surface 31 is against in described current-carrying district 51, and described dividing plate 22 is inserted in the gap of described current-carrying district 51 sides and containing cavity 11 sidewalls, and the lower end of described dividing plate 22 is against on described bonding pad 53.By adopting said structure, because the second supporting surface 4 is located on the sidewall of containing cavity 11 away from described wire connection cavity 12 one end, both met the installation requirement of fixed contact 5, and the arc control device 2 of correspondence are also no longer subject to stopping of the second supporting surface 4 with it, described arc control device 2 also can normal mounting.
As shown in Figure 10 and Figure 11, described moving contact 6 in the present embodiment is made up of the first moving contact 61 and the second moving contact 62, described the first moving contact 61 and the second moving contact 62 pass through rivet, between described the first moving contact 61 and described the second moving contact 62, be provided with gap, due to the skin effect of electric current, adopt said structure can increase the ampacity of product and the heat dispersion of raising product.
(embodiment 3, residual current circuit breaker)
As shown in Figs. 8 to 11, a kind of residual current circuit breaker, comprises the residual current circuit breaker housing described in embodiment 1, and is arranged on arc control device 2 and contact system in described containing cavity 11; Described arc control device 2 comprise arc extinguishing grid pieces 21 and the dividing plate 22 that is arranged on described arc extinguishing grid pieces 21 two ends, and described arc extinguishing grid pieces 21 is provided with U-shaped opening; Described contact system comprises the moving contact 6 that is arranged on the fixed contact 5 of described arc control device 2 belows and coordinates with described fixed contact 5, and one end that described moving contact 6 arranges moving contact is arranged in the U-shaped opening of described arc control device 2; One end that described fixed contact 5 in the present embodiment arranges fixed contact is straight tabular, and described the first supporting surface 31 is against the middle part of described fixed contact 5, and described the second supporting surface 4 is against described fixed contact 5 and arranges one end of fixed contact.By adopting said structure, the middle part of the fixed contact 5 in the present embodiment and fixed contact one end is set is effectively supported by the first supporting surface 31 and the second supporting surface 4 respectively, in the time being subject to moving contact 6 and clashing into, can there is not downward distortion yet, in addition, the installation of arc control device 2 is not also affected, and result of use is good.
Described moving contact 6 in the present embodiment is made up of the first moving contact 61 and the second moving contact 62, described the first moving contact 61 and the second moving contact 62 pass through rivet, between described the first moving contact 61 and described the second moving contact 62, be provided with gap, due to the skin effect of electric current, adopt said structure can increase the ampacity of product and the heat dispersion of raising product.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction 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 without also giving exhaustive to all execution modes.And these belong to apparent variation or the variation that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (5)
1. a residual current circuit breaker housing, comprise pedestal (1), described pedestal (1) be provided with wire connection cavity (12) for wiring and for accommodating arc control device (2) containing cavity (11) with contact system, described wire connection cavity (12) is located at the end of described pedestal (1); Described containing cavity (11) is in abutting connection with being arranged at the side of described wire connection cavity (12) away from pedestal (1) end;
It is characterized in that: the middle part of described containing cavity (11) is provided with support rim (3), the top of described support rim (3) is provided with the first supporting surface (31), described containing cavity (11) is provided with the second supporting surface (4) away from the sidewall of described wire connection cavity (12) one end, and described the first supporting surface (31) and the second supporting surface (4) are located at grade.
2. a residual current circuit breaker, is characterized in that: comprise residual current circuit breaker housing claimed in claim 1, and be arranged on arc control device (2) and contact system in described containing cavity (11);
Described arc control device (2) comprise arc extinguishing grid pieces (21) and are arranged on the dividing plate (22) at described arc extinguishing grid pieces (21) two ends, and described arc extinguishing grid pieces (21) is provided with U-shaped opening;
Described contact system comprises and is arranged on the fixed contact (5) of described arc control device (2) belows and the moving contact (6) coordinating with described fixed contact (5), and one end that described moving contact (6) arranges moving contact is arranged in the U-shaped opening of described arc control device (2);
One end that described fixed contact (5) arranges fixed contact is inverted U structure, described inverted U structure is made up of the current-carrying district (51) connecting successively, Support (52) and bonding pad (53), described current-carrying district (51) be arranged in parallel with described bonding pad (53), and current-carrying district (51) are located at the top of bonding pad (53), described fixed contact is located on the upper surface of current-carrying district (51), and the diapire of the lower surface of described bonding pad (53) and described containing cavity (11) is affixed;
Described bonding pad (53) is provided with location hole, described support rim (3) is located in location hole, described the first supporting surface (31) is against in described current-carrying district (51), described dividing plate (22) is inserted in the gap of described current-carrying district (51) side and containing cavity (11) sidewall, and the lower end of described dividing plate (22) is against on described bonding pad (53).
3. residual current circuit breaker according to claim 2, it is characterized in that: described moving contact (6) is made up of the first moving contact (61) and the second moving contact (62), described the first moving contact (61) and the second moving contact (62), by rivet, are provided with gap between described the first moving contact (61) and described the second moving contact (62).
4. a residual current circuit breaker, is characterized in that: comprise residual current circuit breaker housing claimed in claim 1, and be arranged on arc control device (2) and contact system in described containing cavity (11);
Described arc control device (2) comprise arc extinguishing grid pieces (21) and are arranged on the dividing plate (22) at described arc extinguishing grid pieces (21) two ends, and described arc extinguishing grid pieces (21) is provided with U-shaped opening;
Described contact system comprises and is arranged on the fixed contact (5) of described arc control device (2) belows and the moving contact (6) coordinating with described fixed contact (5), and one end that described moving contact (6) arranges moving contact is arranged in the U-shaped opening of described arc control device (2);
One end that described fixed contact (5) arranges fixed contact is straight tabular, and described the first supporting surface (31) is against the middle part of described fixed contact (5), and described the second supporting surface (4) is against described fixed contact (5) and arranges one end of fixed contact.
5. residual current circuit breaker according to claim 4, it is characterized in that: described moving contact (6) is made up of the first moving contact (61) and the second moving contact (62), described the first moving contact (61) and the second moving contact (62), by rivet, are provided with gap between described the first moving contact (61) and described the second moving contact (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086646.1U CN203690230U (en) | 2014-02-27 | 2014-02-27 | Residual-current circuit breaker housing and residual-current circuit breakers employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086646.1U CN203690230U (en) | 2014-02-27 | 2014-02-27 | Residual-current circuit breaker housing and residual-current circuit breakers employing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690230U true CN203690230U (en) | 2014-07-02 |
Family
ID=51012102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420086646.1U Expired - Fee Related CN203690230U (en) | 2014-02-27 | 2014-02-27 | Residual-current circuit breaker housing and residual-current circuit breakers employing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633977A (en) * | 2017-09-26 | 2018-01-26 | 厦门宏发开关设备有限公司 | A kind of high voltage DC breaker that can effectively improve arc quenching effect |
-
2014
- 2014-02-27 CN CN201420086646.1U patent/CN203690230U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633977A (en) * | 2017-09-26 | 2018-01-26 | 厦门宏发开关设备有限公司 | A kind of high voltage DC breaker that can effectively improve arc quenching effect |
| CN107633977B (en) * | 2017-09-26 | 2020-08-28 | 厦门宏发开关设备有限公司 | High-voltage direct-current circuit breaker capable of effectively improving arc extinguishing effect |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105301296B (en) | Live plug connector of low-voltage metering box | |
| CN106129990A (en) | A kind of non-maintaining charging pile lightning protection for power supply | |
| CN203690230U (en) | Residual-current circuit breaker housing and residual-current circuit breakers employing same | |
| CN207800529U (en) | Breaker contact system | |
| CN203871255U (en) | Rainproof disconnecting switch | |
| CN202948863U (en) | Outdoor-type isolating switch | |
| CN205081081U (en) | Miniature circuit breaker | |
| CN204597008U (en) | A kind of anti-virtual connection current testing binding post | |
| CN202487475U (en) | Low-voltage fusing type disconnecting switch | |
| CN204303707U (en) | Breaker | |
| CN205231498U (en) | Dustproof block terminal of open -air lightning protection | |
| CN204045519U (en) | A kind of pre paid functionality circuit breaker | |
| CN104183432B (en) | A kind of pre paid functionality chopper | |
| CN105958349A (en) | Knife gate hard combined shield cover | |
| CN205944865U (en) | Pull -out type gas insulation switch equipment | |
| CN204289282U (en) | A.C. contactor | |
| CN205945049U (en) | Non -maintaining electric pile source defend thunder equipment that fills | |
| CN201112246Y (en) | External pressure type sensing finger structure of outdoor high-voltage electrical apparatus ground switch | |
| CN203326596U (en) | Phase D hidden and combined type overvoltage protector | |
| CN202797944U (en) | Surge protection device | |
| CN201904284U (en) | Mounting structure for electronic plate of electronic breaker | |
| CN203707035U (en) | DC contactor improved structure | |
| CN210156607U (en) | Insulating baffle for interphase electrical isolation of switch wiring | |
| CN207781505U (en) | A kind of breaker with window | |
| CN209374366U (en) | A kind of antifouling plastic casing breaker |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20180227 |