CN204029744U - A kind of miniature circuit breaker magnetic system - Google Patents
A kind of miniature circuit breaker magnetic system Download PDFInfo
- Publication number
- CN204029744U CN204029744U CN201420491061.8U CN201420491061U CN204029744U CN 204029744 U CN204029744 U CN 204029744U CN 201420491061 U CN201420491061 U CN 201420491061U CN 204029744 U CN204029744 U CN 204029744U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- coil
- yoke
- magnetic system
- placement section
- 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.)
- Withdrawn - After Issue
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Abstract
The miniature circuit breaker magnetic system that the utility model provides, comprising: be fixedly arranged on the yoke assembly of housing, comprise: yoke and supporting bracket; Yoke comprises the side plate that is provided with the first placement section; Supporting bracket is fixedly arranged on housing and is oppositely arranged with side plate, and supporting bracket has the second placement section; Yoke extends to form connecting plate; Core assembly, has first end and the second end, and first end is placed in the first placement section, and the second end is placed in the second placement section; The second end of core assembly is provided with chimb outward, the second end formation kink that stretches out, and kink and chimb surround trough; Coil, is wound in core assembly, and coil one end passes and be electrically connected at wiring system from trough, and the coil other end and connecting plate electric connection; The fixed contact that is fixed at Shell of circuit breaker, is electrically connected at connecting plate.Core assembly and yoke separate design can reduce weld quantity, are convenient to change; Same yoke short circuit is avoided in trough design, improves the reliability of product.
Description
Technical field
The utility model relates to breaker technical field, particularly relates to a kind of miniature circuit breaker magnetic system.
Background technology
The magnetic system of current known most of miniature circuit breaker, when spot welding, static iron core and core assembly point postwelding connect together, inseparable, like this accuracy of manufacture to core assembly and production management require very high, occur that defective products can cause whole magnetic system to scrap, causing waste, if output is little in addition, is particularly that the production cost of parts can be very high during trial-production, cause circuit breaker holistic cost high, be unfavorable for enterprise competitiveness.
Summary of the invention
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of miniature circuit breaker magnetic system, solve in above-mentioned prior art because of static iron core and core assembly inseparable, and cause magnetic system easily because of bad and overall problem of scrapping.
For realizing above-mentioned target and other related objectives, the utility model provides a kind of miniature circuit breaker magnetic system, comprising: be fixed at the yoke assembly of Shell of circuit breaker, comprise: yoke and supporting bracket; Described yoke is bent to form side plate, and described side plate is provided with the first placement section; Described supporting bracket is located at described Shell of circuit breaker and is oppositely arranged with described side plate, and described supporting bracket is provided with the second placement section; Described yoke extends to form connecting plate; Core assembly, has first end and the second end, and described first end is placed in described the first placement section, and the second end is placed in described the second placement section; The second end of described core assembly is provided with chimb outward, the described the second end formation kink that stretches out, and described kink and described chimb surround trough; Coil, is wound in described core assembly, and described coil one end passes and be electrically connected at wiring system from described trough, and the coil other end and the electric connection of described connecting plate; Be fixed at the fixed contact of Shell of circuit breaker, be electrically connected at described connecting plate, and coil is electrically connected in the lump, described fixed contact is for being electrically connected or disconnecting with the moving contact of circuit breaker.
Optionally, described core assembly comprises: the coil rack of hollow, has described the second end; Static iron core, with described coil rack the second end with respect to other end cover merge spirogyrate and become described first end, described first end and the second end are equipped with the perforate that is communicated with described hollow; Moving iron core, is located in described coil rack hollow and stretches out from the perforate of described the second end, and described moving iron core is connected with push rod; Described push rod stretches out coil rack from the perforate of described first end; On described push rod, be sheathed with spring; Described both ends of the spring is respectively against moving iron core and static iron core.
Optionally, the first end of described coil rack is equipped with chimb outward, and described chimb has breach, and described coil rack extends and form described kink from described breach, to surround described trough with described chimb.
Optionally, described trough is U-lag.
Optionally, described the first placement section and the second placement section are groove.
Optionally, described groove is arc.
Optionally, described core assembly is cylindrical body.
Optionally, between the connecting plate of described coil, yoke assembly and fixed contact by being welded and fixed.
Optionally, described yoke assembly is located at described Shell of circuit breaker by engaging mode.
Optionally, between described coil and wiring system by being welded and fixed.
As mentioned above, the miniature circuit breaker magnetic system that the utility model provides, comprising: Shell of circuit breaker; The yoke assembly that is fixed at described Shell of circuit breaker, comprising: yoke and supporting bracket; Described yoke is bent to form side plate, and described side plate is provided with the first placement section; Described supporting bracket is located at described Shell of circuit breaker and is oppositely arranged with described side plate, and described supporting bracket is provided with the second placement section; Described yoke extends to form connecting plate; Core assembly, has first end and the second end, and described first end is placed in described the first placement section, and the second end is placed in described the second placement section; The second end of described core assembly is provided with chimb outward, the described the second end formation kink that stretches out, and described kink and described chimb surround trough; Coil, is wound in described core assembly, and described coil one end passes and be electrically connected at wiring system from described trough, and the coil other end and the electric connection of described connecting plate; Be fixed at the fixed contact of described Shell of circuit breaker, be electrically connected at described connecting plate and coil is electrically connected in the lump, described fixed contact is for being electrically connected or disconnecting with the moving contact of circuit breaker.
Its advantage is as follows:
1, core assembly and yoke separate design can reduce weld quantity, when production, can first carry out verification and can be convenient for changing iron core and iron core spring core assembly, improve stability and the consistency of product;
2, coil rack U-lag can prevent that electromagnetic system coil is with yoke short circuit, improves the reliability of product;
3, core assembly, can facilitate production procurement to reduce production costs.
Brief description of the drawings
Fig. 1 is shown as the perspective view of the middle-size and small-size breaker magnetic system of the utility model one embodiment.
Fig. 2 is shown as the perspective view of yoke in the utility model one embodiment.
Fig. 3 is shown as the structural representation of supporting bracket in the utility model one embodiment.
Fig. 4 is shown as the structural representation of core assembly in the utility model one embodiment.
Fig. 5 is shown as the vertical profile structural representation of Fig. 4.
Element numbers explanation
1 yoke assembly
11 yokes
111 side plates
1111 first placement sections
112 connecting plates
12 supporting brackets
121 second placement sections
2 core assemblies
21 coil racks
22 static iron cores
23 moving iron cores
24 push rods
25 springs
26 first ends
27 the second ends
28 chimbs
29 kinks
291 troughs
2911 first planes
2912 second planes
3 wiring systems
4 coils
5 fixed contacts
51 contacts
6 Shell of circuit breaker
Embodiment
By specific instantiation, execution mode of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.The utility model can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present utility model.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
As shown in Figure 1, the utility model provides a kind of miniature circuit breaker magnetic system, is located in Shell of circuit breaker 6, and described miniature circuit breaker magnetic system comprises: yoke assembly 1, core assembly 2, coil 4 and fixed contact 5.
Described yoke assembly 1 entirety becomes " U " shape, as shown in Figure 1, that side direction fixed card is located on Shell of circuit breaker 6 in the present embodiment, formed by yoke 11 and supporting bracket 12, more as shown in Figure 2, described yoke 11 is roughly L-shaped, it comprises long limit and minor face, described minor face bends formed side plate 111, and the side plate 111 of yoke 11 is provided with the first placement section 1111, has also been bent to form connecting plate 112 in yoke 11; As shown in Figure 3, described supporting bracket 12 is located at described Shell of circuit breaker 6 and is oppositely arranged with described side plate 111, certainly, in one embodiment, between described yoke 11 and supporting bracket 12, can be connected by engaging mode, or adopt other as fixing in bonding, screw lock mode also can be fixed on supporting bracket 12 Shell of circuit breaker 6; Described in described yoke 11, supporting bracket 12 is provided with the second placement section 121, and in the present embodiment, supporting bracket 12 and side plate 111 can be to be arranged in parallel, so that the first placement section 1111 and the second placement section 121 are respectively in conjunction with the two ends of described core assembly 2.In the present embodiment, described the first placement section 1111 and the second placement section 121 are groove, because core assembly 2 cross sections in the present embodiment are annular, therefore preferred, described groove is arc, certainly it should be noted that, in other embodiments, described the first placement section 1111 and the second placement section 121 also can be circular hole etc., can play limiting iron core assembly 2 and may save the parts of other limiting iron core assemblies 2, are not limited with the present embodiment; In addition, as shown in the figure, described yoke assembly 1 is located at described Shell of circuit breaker 6 by engaging mode, can adopt the engaging mode of concavo-convex cooperation, is convenient to maintain and replace.
Described core assembly 2, is cylindrical body, can be cylindrical in the present embodiment; Described core assembly 2 has first end 26 and the second end 27, and described first end 26 is placed in described the first placement section 1111, and the second end 27 is placed in described the second placement section 121; As shown in Figure 4, the outer chimb 28 that is provided with of the second end 27 of described core assembly 2, described the second end 27 stretches out and forms kink 29, described kink 29 at least comprises two faces, orthogonal the first plane 2911 and the second plane 2912, the side of described two planes and described chimb 28 surrounds trough 291, and described trough 291 can be U-lag.
Further, as shown in Figure 5, the structure of bright described core assembly 2 for instance, described core assembly 2 comprises: the coil rack 21 of hollow, static iron core 22, moving iron core 23, push rod 24 and spring 25.
Wherein, described coil rack 21 is roughly cylindrical, it has described the second end 27, in the present embodiment, described coil rack 21 middle part path lengths are larger, and the second end 27 that connects described middle part is one section of cylinder that path length is less, described the second placement section 121 is the arc groove coordinating with it; And the second end 27 is provided with the perforate of the described hollow of connection and stretches out for moving iron core 23, therefore, in conjunction with front addressing Fig. 5, specifically, outside the first end 26 of described coil rack 21, be equipped with chimb 28, described chimb 28 has breach, and described coil rack 21 extends and form described kink 29 from described breach, to surround described trough 291 with described chimb 28 at the outer surface of indentation, there
Described static iron core 22, with described coil rack 21 the second ends 27 with respect to other end cover merge spirogyrate and become described first end 26, as shown in the figure, in the present embodiment, the less shell portion of path length that described first end 26 also can be similar above-mentioned the second end 27, described the first placement section 1111 is the arc groove coordinating with it; Described first end 26 is also provided with the perforate that is communicated with described hollow.
Described moving iron core 23, be located in described coil rack 21 hollows and stretch out from the perforate of described the second end 27, due to as previously mentioned, described the second end 27 path lengths are less than the middle part of coil rack 21, and described moving iron core 23 can be divided in the hollow that two sections of coordinating with both path lengths respectively make it to be limited in described coil rack 21 equally.
Described moving iron core 23 is being connected with push rod 24 from described moving iron core 23, and described connection can be to fix connection by the mode such as screw lock, welding; Described push rod 24 stretches out coil rack 21 from the perforate of described first end 26; On described push rod 24, be sheathed with spring 25, described spring 25 two ends are respectively against moving iron core 23 and static iron core 22, to realize the movable and reset of described moving iron core 23 in coil rack 21.
Refer to Fig. 1, described coil 4, is wound in described core assembly 2 again, described coil 4 one end pass and are electrically connected at wiring system 3 from described trough 291, and coil 4 other ends and described connecting plate 112 are electrically connected, optional, between described coil 4 and wiring system 3 by being welded and fixed.
Described fixed contact 5, can be by engaging, the modes such as bonding are fixed at described Shell of circuit breaker 6, its entirety can be shaped form as shown in Figure 1, thereby described fixed contact 5 can be fixed by the engaging mode of various needs, and, the outer surface of described fixed contact is also provided with contact 51, for supplying to be electrically connected to the parts that need connection, optionally, described coil 4, the connecting plate 112 of yoke assembly 1, and between fixed contact 5 by being welded and fixed and reaching described electric connection, contact 51 on described fixed contact 5 can be for being electrically connected with moving contact (not shown), and in overload or throw off to realize cut-out function when short circuit, in another embodiment, described moving contact can be located at the right side of core assembly 23, and the push rod 24 of described moving iron core 23 can be used for for example in the time of short circuit, outwards ejecting to drive moving contact to depart from fixed contact.
That is to say, the above-mentioned parts that have electric connection all can be metal conductive materials, all can be realized and are electrically connected and fix by welding manner, it should be noted that, by structural design of the present utility model, than prior art, reduce more solder joint, reduced technological requirement.
In sum, the miniature circuit breaker magnetic system that the utility model provides, comprising: Shell of circuit breaker; The yoke assembly that is fixed at described Shell of circuit breaker, comprising: yoke and supporting bracket; Described yoke is bent to form side plate, and described side plate is provided with the first placement section; Described supporting bracket is located at described Shell of circuit breaker and is oppositely arranged with described side plate, and described supporting bracket is provided with the second placement section; Described yoke extends to form connecting plate; Core assembly, has first end and the second end, and described first end is placed in described the first placement section, and the second end is placed in described the second placement section; The second end of described core assembly is provided with chimb outward, the described the second end formation kink that stretches out, and described kink and described chimb surround trough; Coil, is wound in described core assembly, and described coil one end passes and be electrically connected at wiring system from described trough, and the coil other end and the electric connection of described connecting plate; Be fixed at the fixed contact of described Shell of circuit breaker, be electrically connected at described connecting plate and coil is electrically connected to described fixed contact in the lump for being electrically connected or disconnecting with the moving contact of circuit breaker.
Its advantage is as follows:
1, core assembly and yoke separate design can reduce weld quantity, when production, can first carry out verification and can be convenient for changing iron core and iron core spring core assembly, improve stability and the consistency of product;
2, coil rack U-lag can prevent that electromagnetic system coil is with yoke short circuit, improves the reliability of product;
3, core assembly, can facilitate production procurement to reduce production costs.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (10)
1. a miniature circuit breaker magnetic system, is characterized in that, comprising:
The yoke assembly that is fixed at Shell of circuit breaker, comprising: yoke and supporting bracket; Described yoke is bent to form side plate, and described side plate is provided with the first placement section; Described supporting bracket is located at described Shell of circuit breaker and is oppositely arranged with described side plate, and described supporting bracket is provided with the second placement section; Described yoke extends to form connecting plate;
Core assembly, has first end and the second end, and described first end is placed in described the first placement section, and the second end is placed in described the second placement section; The second end of described core assembly is provided with chimb outward, the described the second end formation kink that stretches out, and described kink and described chimb surround trough;
Coil, is wound in described core assembly, and described coil one end passes and be electrically connected at wiring system from described trough, and the coil other end and the electric connection of described connecting plate;
Be fixed at the fixed contact of Shell of circuit breaker, be electrically connected at described connecting plate and coil is electrically connected in the lump, described fixed contact is for being electrically connected or disconnecting with the moving contact of circuit breaker.
2. miniature circuit breaker magnetic system according to claim 1, is characterized in that, described core assembly comprises:
The coil rack of hollow, has described the second end;
Static iron core, with described coil rack the second end with respect to other end cover merge spirogyrate and become described first end, described first end and the second end are equipped with the perforate that is communicated with described hollow;
Moving iron core, is located in described coil rack hollow and stretches out from the perforate of described the second end, and described moving iron core is connected with push rod; Described push rod stretches out coil rack from the perforate of described first end; On described push rod, be sheathed with spring; Described both ends of the spring is respectively against moving iron core and static iron core.
3. miniature circuit breaker magnetic system according to claim 2, it is characterized in that, the first end of described coil rack is equipped with chimb outward, and described chimb has breach, described coil rack extends and forms described kink from described breach, to surround described trough with described chimb.
4. according to the miniature circuit breaker magnetic system described in any one in claims 1 to 3, it is characterized in that, described trough is U-lag.
5. miniature circuit breaker magnetic system according to claim 1, is characterized in that, described the first placement section and the second placement section are groove.
6. miniature circuit breaker magnetic system according to claim 5, is characterized in that, described groove is arc.
7. miniature circuit breaker magnetic system according to claim 1, is characterized in that, described core assembly is cylindrical body.
8. miniature circuit breaker magnetic system according to claim 1, is characterized in that, between the connecting plate of described coil, yoke assembly and fixed contact by being welded and fixed.
9. miniature circuit breaker magnetic system according to claim 1, is characterized in that, described yoke assembly is located at described Shell of circuit breaker by engaging mode.
10. miniature circuit breaker magnetic system according to claim 1, is characterized in that, between described coil and wiring system by being welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491061.8U CN204029744U (en) | 2014-08-28 | 2014-08-28 | A kind of miniature circuit breaker magnetic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491061.8U CN204029744U (en) | 2014-08-28 | 2014-08-28 | A kind of miniature circuit breaker magnetic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029744U true CN204029744U (en) | 2014-12-17 |
Family
ID=52069577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491061.8U Withdrawn - After Issue CN204029744U (en) | 2014-08-28 | 2014-08-28 | A kind of miniature circuit breaker magnetic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204029744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157522A (en) * | 2014-08-28 | 2014-11-19 | 三信国际电器上海有限公司 | Miniature circuit breaker magnetic system |
| CN105762035A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Releasing system with integration of leakage releasing and electromagnetic releasing |
-
2014
- 2014-08-28 CN CN201420491061.8U patent/CN204029744U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157522A (en) * | 2014-08-28 | 2014-11-19 | 三信国际电器上海有限公司 | Miniature circuit breaker magnetic system |
| CN105762035A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Releasing system with integration of leakage releasing and electromagnetic releasing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |