CN204596735U - Breaker of plastic casing and tripping mechanism thereof - Google Patents
Breaker of plastic casing and tripping mechanism thereof Download PDFInfo
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- CN204596735U CN204596735U CN201520284107.3U CN201520284107U CN204596735U CN 204596735 U CN204596735 U CN 204596735U CN 201520284107 U CN201520284107 U CN 201520284107U CN 204596735 U CN204596735 U CN 204596735U
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- breaker
- plastic casing
- bimetal leaf
- bobbin
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Abstract
A kind of breaker of plastic casing and tripping mechanism thereof.When mainly solving existing breaker of plastic casing short circuit, magnetic is threaded off insecure problem.It is characterized in that: described tripping mechanism comprises connecting plate, thermal element, bimetal leaf, static gag bit, moving contact, described bimetal leaf one end is provided with bobbin, described bobbin is around with coil, described coil wherein one end is flexible coupling by first and is connected with moving contact, the other end of described coil is connected with thermal element, and is flexible coupling by second and is connected with moving contact.Described breaker of plastic casing comprises above-mentioned tripping mechanism.Its advantage is on bimetal leaf, arrange bobbin and coil, can strengthen magnetic field, in short-circuit process, threads off more reliable.
Description
Technical field
The utility model relates to a kind of circuit breaker, is specifically related to a kind of breaker of plastic casing and tripping mechanism thereof.
Background technology
Breaker of plastic casing is protective device important in low-voltage distribution mechanism, and in low-voltage distribution mechanism, it plays connection, disjunction running current, has simultaneously and provides short-circuit protection, overload protection etc. to AC network circuit and power consumption equipment.
Usually, the thermal tripping mechanism of breaker of plastic casing is made up of bimetal leaf, heater element, silently armature, sound armature, draw bar.When being greater than rated current by electric current and be less than certain predetermined current standard scope, bimetal leaf heated bending, and promote draw bar, realize tripping separating brake; When electricity consumption line short, electric current can become large instantaneously, reaches in critical field, produces magnetic field, attracts draw bar action, realizes tripping separating brake.
But the tripping mechanism of existing structure is when short circuit, often need larger electric current, could produce enough strong magnetic field, realize reliably threading off, in small area analysis circuit, often need multiple series connection could realize reliable dropout, Interruption is bad.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides breaker of plastic casing and tripping mechanism thereof, and when solving existing breaker of plastic casing short circuit, magnetic is threaded off insecure problem.
The technical scheme that the utility model adopts: a kind of tripping mechanism of breaker of plastic casing, comprises connecting plate, thermal element, bimetal leaf, static gag bit, moving contact; Described bimetal leaf one end is provided with bobbin, and described bobbin is around with coil, and described coil wherein one end is flexible coupling by first and is connected with moving contact, and the other end of described coil is connected with thermal element, and is flexible coupling by second and is connected with moving contact.
Described bobbin, bimetal leaf, thermal element, static gag bit are integrated by riveting.
Described connecting plate and thermal element are by being welded to connect.
Described first being flexible coupling, second being flexible coupling all by being welded to connect.
The other end of described bimetal leaf is provided with adjusting bolt.
A kind of breaker of plastic casing, comprises pedestal and is arranged on operating mechanism, the tripping mechanism in pedestal; Described tripping mechanism, comprises connecting plate, thermal element, bimetal leaf, static gag bit, moving contact; Described bimetal leaf is provided with bobbin, and described bobbin is around with coil, and described coil wherein one end is flexible coupling by first and is connected with moving contact, and the other end of described coil is connected with thermal element, and is flexible coupling by second and is connected with moving contact.
Described operating mechanism comprises handle, tripping, snap close, draw bar, and described draw bar is rotatable to be located in pedestal, and its lower end is provided with the moving armature corresponding with bobbin, and upper end is corresponding with the other end of bimetal leaf.
The beneficial effects of the utility model are: adopt above scheme, bimetal leaf are arranged bobbin and coil, can strengthen magnetic field, and more reliable during dropout, performance is better, even if in the circuit of small area analysis, also can reliably thread off during short circuit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment tripping mechanism.
Fig. 2 is the structural representation of the utility model embodiment breaker of plastic casing.
Fig. 3 is the structural representation of the utility model embodiment.
1-connecting plate in figure, 2-thermal element, 3-bimetal leaf, 4-static gag bit, 5-bobbin, 6-moving contact, 7-coil, 8-first is flexible coupling, and 9-second is flexible coupling, 10 adjusting bolts, 11-pedestal, 12-handle, 13-tripping, 14-snap close, 15-draw bar, 16-moving armature.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in Figure 1, a kind of tripping mechanism of breaker of plastic casing, comprises connecting plate 1, thermal element 2, bimetal leaf 3, static gag bit 4, moving contact 6; Described bimetal leaf 3 one end is provided with bobbin 5, and the other end of described bimetal leaf 3 is provided with adjusting bolt 10, and adjusting bolt 10 can carry out corresponding adjustment according to the size of overload current, expands the scope of application of circuit breaker; Described bobbin 5 is around with coil 7, and described coil 7 wherein one end is flexible coupling by first and 8 is connected with moving contact 6, and the other end of described coil 7 is connected with thermal element 2, and is flexible coupling by second and 9 is connected with moving contact 6.Bimetal leaf is arranged bobbin and coil, can strengthen magnetic field, more reliable during dropout, performance is better, even if in the circuit of small area analysis, also can reliably thread off during short circuit.
Wherein, described bobbin 5, bimetal leaf 3, thermal element 2, static gag bit 4 are integrated by riveting, and described connecting plate 1 and thermal element 2 are by being welded to connect, and described first is flexible coupling 8, second is flexible coupling 9 all by being welded to connect, not only technique is simple, processes also convenient.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of breaker of plastic casing, comprises pedestal 11 and is arranged on operating mechanism, the tripping mechanism in pedestal 11; Described tripping mechanism, comprises connecting plate 1, thermal element 2, bimetal leaf 3, static gag bit 4, moving contact 6; Described bimetal leaf 3 is provided with bobbin 5, and described bobbin 5 is around with coil 7, and described coil 7 wherein one end is flexible coupling by first and 8 is connected with moving contact 6, and the other end of described coil 7 is connected with thermal element 2, and is flexible coupling by second and 9 is connected with moving contact 6; Described operating mechanism comprises handle 12, tripping 13, snap close 14, draw bar 15, and described draw bar 15 is rotatable to be located in pedestal 11, and its lower end is provided with the moving armature 16 corresponding with bobbin 5, and upper end is corresponding with the other end of bimetal leaf 3.
When being greater than rated current by electric current and be less than certain predetermined current standard scope, bimetal leaf heated bending, and promote draw bar, realize tripping separating brake; When electricity consumption line short, electric current can become large instantaneously, reaches in critical field, produces magnetic field, attracts the moving armature of draw bar lower end, realizes tripping separating brake; Owing to bimetal leaf being arranged bobbin and coil, can strengthen magnetic field, more reliable during dropout, performance is better, even if in the circuit of small area analysis, also can reliably thread off during short circuit.
Claims (7)
1. a tripping mechanism for breaker of plastic casing, comprises connecting plate (1), thermal element (2), bimetal leaf (3), static gag bit (4), moving contact (6);
It is characterized in that: described bimetal leaf (3) one end is provided with bobbin (5), described bobbin (5) is around with coil (7), described coil (7) wherein one end by first be flexible coupling (8) be connected with moving contact (6), the other end of described coil (7) is connected with thermal element (2), and by second be flexible coupling (9) be connected with moving contact (6).
2. the tripping mechanism of breaker of plastic casing according to claim 1, is characterized in that: described bobbin (5), bimetal leaf (3), thermal element (2), static gag bit (4) are integrated by riveting.
3. the tripping mechanism of breaker of plastic casing according to claim 1, is characterized in that: described connecting plate (1) and thermal element (2) are by being welded to connect.
4. the tripping mechanism of breaker of plastic casing according to claim 1, is characterized in that: described first being flexible coupling (8), second being flexible coupling (9) all by being welded to connect.
5. the tripping mechanism of breaker of plastic casing according to claim 1, is characterized in that: the other end of described bimetal leaf (3) is provided with adjusting bolt (10).
6. a breaker of plastic casing, the operating mechanism, the tripping mechanism that comprise pedestal (11) and be arranged in pedestal (11); Described tripping mechanism, comprises connecting plate (1), thermal element (2), bimetal leaf (3), static gag bit (4), moving contact (6);
It is characterized in that: described bimetal leaf (3) is provided with bobbin (5), described bobbin (5) is around with coil (7), described coil (7) wherein one end by first be flexible coupling (8) be connected with moving contact (6), the other end of described coil (7) is connected with thermal element (2), and by second be flexible coupling (9) be connected with moving contact (6).
7. breaker of plastic casing according to claim 6, it is characterized in that: described operating mechanism comprises handle (12), tripping (13), snap close (14), draw bar (15), described draw bar (15) is rotatable to be located in pedestal (11), its lower end is provided with the moving armature (16) corresponding with bobbin (5), and upper end is corresponding with the other end of bimetal leaf (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284107.3U CN204596735U (en) | 2015-05-06 | 2015-05-06 | Breaker of plastic casing and tripping mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284107.3U CN204596735U (en) | 2015-05-06 | 2015-05-06 | Breaker of plastic casing and tripping mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204596735U true CN204596735U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284107.3U Active CN204596735U (en) | 2015-05-06 | 2015-05-06 | Breaker of plastic casing and tripping mechanism thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN204596735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900456A (en) * | 2015-05-06 | 2015-09-09 | 温州高能电气有限公司 | Moulded case circuit breaker and tripping mechanism thereof |
| CN109243935A (en) * | 2018-11-28 | 2019-01-18 | 北京明日电器设备有限责任公司 | A kind of guide tracked small-size moulded case circuit breaker |
-
2015
- 2015-05-06 CN CN201520284107.3U patent/CN204596735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900456A (en) * | 2015-05-06 | 2015-09-09 | 温州高能电气有限公司 | Moulded case circuit breaker and tripping mechanism thereof |
| CN109243935A (en) * | 2018-11-28 | 2019-01-18 | 北京明日电器设备有限责任公司 | A kind of guide tracked small-size moulded case circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180607 Address after: 325000 258 weft twenty Road, Yueqing Economic Development Zone, Wenzhou, Zhejiang Patentee after: High energy grid electric Limited by Share Ltd Address before: 325603 258 weft twenty Road, Yueqing Economic Development Zone, Wenzhou, Zhejiang Patentee before: Wenzhou high energy electric Co., Ltd |
|
| TR01 | Transfer of patent right |