CN202189743U - Electromagnetic system - Google Patents
Electromagnetic system Download PDFInfo
- Publication number
- CN202189743U CN202189743U CN2011203244226U CN201120324422U CN202189743U CN 202189743 U CN202189743 U CN 202189743U CN 2011203244226 U CN2011203244226 U CN 2011203244226U CN 201120324422 U CN201120324422 U CN 201120324422U CN 202189743 U CN202189743 U CN 202189743U
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- CN
- China
- Prior art keywords
- side plate
- iron core
- plate
- macropore
- electromagnetic system
- Prior art date
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Abstract
An electromagnetic system mainly aims to solve the problems of a conventional coil bracket in heat treatment, such as uneven thermal deformation and low product qualification rate, and is characterized in that a coil bracket (1) consists of a left plate (7), a right plate (8) and a connection plate (9) which are integrated, wherein, the left plate (7) and the right plate (8) are both perpendicular to the connection plate (9); a big hole (10) and a small hole (11) are respectively formed on the left plate (7) and the right plate (8) and are concentric to each other; and iron core sleeves (4) are mounted in the big hole (10) and the small hole (11). In the electromagnetic system, the coil bracket changes in shape and has more uniform thermal deformation during heat treatment, accordingly, the qualification rate of the product is improved, the assembly is easy and the motion is flexible and reliable.
Description
Technical field
The utility model relates to the subsidiary component on a kind of miniature circuit breaker, is specifically related to a kind of electromagnetic system.
Background technology
Miniature circuit breaker is that a kind of low-voltage circuit breaker is claimed automatic switch again; It is a kind of existing hand switch effect; Generally all have the function of transshipping automatically, be applicable to exchange 50/60Hz rated voltage 230/400V, rated current 63A to use on the line with short-circuit protection.Be provided with electromagnetic system in the miniature circuit breaker; Existing electromagnetic system mainly is made up of magnetic coil, iron core, iron core sleeve and coil brace, and magnetic coil is connected in the work loop, when the short circuit of work loop; There is bigger electric current to pass through solenoid; The magnetic force that this moment, solenoid produced makes iron core trigger the snap close action, and then miniature circuit breaker is threaded off, and realizes short-circuit protection.Coil brace is provided with coaxial macropore and aperture, and iron core sleeve is installed in macropore and the aperture, and the assembling between coil brace and the iron core sleeve directly influences the sensitivity of electromagnetic system.Existing coil brace is a quadrangle, is bent by plate stamping to form, and the side plate that has macropore is unsettled, and when heat treatment, coil brace is heated and deforms inhomogeneously, makes the coaxiality deviation of macropore and aperture bigger, and the qualification rate of product is low.
The utility model content
Temperature distortion is inhomogeneous when overcoming existing coil brace heat treatment, the deficiency that the qualification rate of product is low, and the utility model provides a kind of electromagnetic system; This electromagnetic system has changed the shape of coil brace; When heat treatment, the coil brace temperature distortion is even, and the qualification rate of product is high; Be prone to assembling, it is reliable to be active in one's movements.
The technical scheme of the utility model is: a kind of electromagnetic system comprises coil brace, magnetic coil, iron core and iron core sleeve; The two ends of magnetic coil are electrically connected with fixed contact and binding post respectively; Iron core places in the iron core sleeve, and magnetic coil is wrapped in outside the iron core sleeve, and coil brace is made up of left side plate, right side plate and connecting plate; Left side plate, right side plate and connecting plate are one; Left side plate and right side plate all meet at right angles with connecting plate, have macropore and aperture on left side plate and the right side plate, described macropore and aperture concentric; Iron core sleeve is installed in macropore and the aperture.
Be equipped with slot to make way on described left side plate and the right side plate, the joint of described magnetic coil is positioned at the slot to make way place.
Macropore on the plate of the described left side is provided with breach.
The utlity model has following beneficial effect: owing to take such scheme, left side plate, right side plate and connecting plate is one, and left side plate all directly links to each other with connecting plate with right side plate; When heat treatment, left side plate and right side plate are all nearer apart from the distance of connecting plate, and left side plate and right side plate temperature distortion are little; Axiality influence to macropore and aperture is less; Thereby the qualification rate of product is high, and iron core sleeve is prone to assembling, and being active in one's movements of iron core is reliable.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Accompanying drawing 2 is structural representations of coil brace 1 among Fig. 1.
1-coil brace among the figure, 2-magnetic coil, 3-iron core, 4-iron core sleeve, 5-fixed contact, 6-binding post, 7-left side plate, 8-right side plate, 9-connecting plate, 10-macropore, 11-aperture, 12-slot to make way, 13-breach.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Combine shown in Figure 2 by Fig. 1; A kind of electromagnetic system comprises coil brace 1, magnetic coil 2, iron core 3 and iron core sleeve 4, and the two ends of magnetic coil 2 are electrically connected with fixed contact 5 and binding post 6 respectively, and iron core 3 places in the iron core sleeve 4; Magnetic coil 2 is wrapped in outside the iron core sleeve 4; Coil brace 1 is made up of left side plate 7, right side plate 8 and connecting plate 9, and left side plate 7, right side plate 8 and connecting plate 9 are one, and left side plate 7 and right side plate 8 all meet at right angles with connecting plate 9; Have macropore 10 and aperture 11 on left side plate 7 and the right side plate 8, described macropore 10 and aperture 11 concentrics; Iron core sleeve 4 is installed in macropore 10 and the aperture 11.In such scheme, because left side plate 7, right side plate 8 and connecting plate 9 are one, left side plate 7 all directly links to each other with connecting plate 9 with right side plate 8; When heat treatment, left side plate 7 is all nearer apart from the distance of connecting plate 9 with right side plate 8, and left side plate 7 is little with right side plate 8 temperature distortions; Axiality influence to macropore 10 and aperture 11 is less; Thereby the qualification rate of product is high, and iron core sleeve 4 is prone to assembling, and being active in one's movements of iron core 3 is reliable.
By shown in Figure 2, be equipped with slot to make way 12 on described left side plate 7 and the right side plate 8, the joint of described magnetic coil 2 is positioned at slot to make way 12 places.Slot to make way 12 makes the structure between magnetic coil 2 and the coil brace 1 compact more, has saved the space.
By shown in Figure 2, the macropore 10 on the described left side plate 7 is provided with breach 13.Because the aperture of macropore 10 is bigger, be prone to be distorted after being heated, breach 13 can be avoided macropore 10 distortions.
Claims (3)
1. electromagnetic system; Comprise coil brace (1), magnetic coil (2), iron core (3) and iron core sleeve (4), the two ends of magnetic coil (2) are electrically connected with fixed contact (5) and binding post (6) respectively, and iron core (3) places in the iron core sleeve (4); Magnetic coil (2) is wrapped in outside the iron core sleeve (4); It is characterized in that: coil brace (1) is made up of left side plate (7), right side plate (8) and connecting plate (9), and left side plate (7), right side plate (8) and connecting plate (9) are one, and left side plate (7) and right side plate (8) all meet at right angles with connecting plate (9); Have macropore (10) and aperture (11) on left side plate (7) and the right side plate (8), described macropore (10) and aperture (11) concentric; Iron core sleeve (4) is installed in macropore (10) and the aperture (11).
2. a kind of electromagnetic system according to claim 1 is characterized in that: be equipped with slot to make way (12) on described left side plate (7) and the right side plate (8), the joint of described magnetic coil (2) is positioned at slot to make way (12) and locates.
3. a kind of electromagnetic system according to claim 2 is characterized in that: the macropore (10) on the left side plate (7) is provided with breach (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203244226U CN202189743U (en) | 2011-08-31 | 2011-08-31 | Electromagnetic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203244226U CN202189743U (en) | 2011-08-31 | 2011-08-31 | Electromagnetic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189743U true CN202189743U (en) | 2012-04-11 |
Family
ID=45921179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203244226U Expired - Lifetime CN202189743U (en) | 2011-08-31 | 2011-08-31 | Electromagnetic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036981A (en) * | 2018-08-23 | 2018-12-18 | 无锡新宏泰电器科技股份有限公司 | A kind of breaker lock mounting bracket |
-
2011
- 2011-08-31 CN CN2011203244226U patent/CN202189743U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036981A (en) * | 2018-08-23 | 2018-12-18 | 无锡新宏泰电器科技股份有限公司 | A kind of breaker lock mounting bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |