CN205264617U - Electromagnetic system of circuit breaker - Google Patents
Electromagnetic system of circuit breaker Download PDFInfo
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- CN205264617U CN205264617U CN201520938580.9U CN201520938580U CN205264617U CN 205264617 U CN205264617 U CN 205264617U CN 201520938580 U CN201520938580 U CN 201520938580U CN 205264617 U CN205264617 U CN 205264617U
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Abstract
Electromagnetic system of circuit breaker includes the yoke support and installs iron core subassembly, coil skeleton and the coil on the yoke support, and the iron core unit mount is at coil skeleton's section of thick bamboo intracavity, and the coil suit is on coil skeleton's outer wall, the iron core subassembly moves iron core, ejector pin and quiet iron core and sets up the iron core reaction spring between ejector pin and quiet iron core including what link to each other, it is used for quiet iron core location and fixed first location muscle to be equipped with on the inner wall in coil skeleton's section of thick bamboo chamber, be equipped with on the quiet iron core correspondence position to deviate from with a section of thick bamboo intracavity that prevents quiet iron core follow coil skeleton with the first constant head tank of first location muscle complex. The utility model provides an electromagnetic system of circuit breaker, the cooperation setting of the first location muscle through coil skeleton and the first constant head tank of quiet iron core ensures that the location of quiet iron core in coil skeleton with fixed, improve the stability and the reliability of the instantaneous dropout of circuit breaker, simple structure is reliable, handling ease and assembly.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, is specifically related to a kind of electromagnetic system of breaker.
Background technology
The electromagnetic system of traditional breaker by yoke support, coil rack, coil, push rod, moving iron core,Static iron core and iron core reaction spring composition. Static iron core, moving iron core, push rod are assembled in and in coil rack, form ironCore assembly, core assembly is assembled in coil, and coil is welded on yoke support, forms whole electromagnetic system.Prior art makes static iron core location by the tight fit of static iron core and coil rack, when iron core reaction spring powerWhen large, static iron core is easily ejected or comes off, and affects product instantaneous trip stability. And coil passes through lineThe outer wall of ring framework positions and fixes, to ensure the position of coil. But when coil rack outer diameter subtractsHour, the internal diameter of coil must and then reduce the location of guarantee coil, so greatly improves and produces materialMaterial cost, and radiating effect is poor.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of simple in structure, reliability is providedThe electromagnetic system of high breaker.
For achieving the above object, the utility model has adopted following technical scheme:
An electromagnetic system for breaker, comprises yoke support 1 and is arranged on the iron core on yoke support 1Assembly 2, coil rack 3 and coil 4, core assembly 2 is arranged in the cylinder chamber 31 of coil rack 3, lineCircle 4 is sleeved on the outer wall of coil rack 3; Described core assembly 2 comprises connected moving iron core 21, push rod22 and static iron core 23 and be arranged on push rod 22 and static iron core 23 between iron core reaction spring 24; DescribedThe inwall in the cylinder chamber 31 of coil rack 3 is provided with first positioning bar 32 of locating and fixing for static iron core 23,Described static iron core 23 correspondence positions are provided with the first locating slot 231 coordinating with the first positioning bar 32 to preventStatic iron core 23 is deviate from the cylinder chamber 31 of coil rack 3.
Preferably, the outer wall of described coil rack 3 is provided with second location of locating and fixing for coil 4Muscle 33, the direction of curling up of the trend of described the second positioning bar 33 and coil 4 is interlocked.
Preferably, the number of turn that is sleeved on the coil 4 on coil rack 3 is a circle.
Preferably, described the first positioning bar 32 is circular-arc convex tendon, and its quantity is at least two, at least twoThe first positioning bar 32 be distributed on the same annulus of cylinder chamber 31 inwalls of coil rack 3, described theThe annular groove of one locating slot 231 for coordinating with the first positioning bar 32.
Preferably, the quantity of described the second positioning bar 33 is at least two, second positioning bar 33 of at least twoBe distributed on the outer wall of coil rack 3 and parallel with the axis of coil rack 3.
Preferably, described yoke support 1 comprises that bottom support plate 11 and perpendicular separation are arranged on bottom support plateLeft installing plate 12 on 11 and right installing plate 13, left installing plate 12 is provided with for clamping core assembly 2The left draw-in groove 121 of static iron core 23, right installing plate 13 is provided with the right draw-in groove 131 for clamping coil rack 3,Coil 4 is sleeved on the coil rack 3 between left installing plate 12 and right installing plate 13, one end of coil 4Be welded on the bottom support plate 11 of yoke support 1, the other end of coil 4 is fixed on coil rack 3.
Preferably, described yoke support 1 also comprises that being U-shaped with left installing plate 12 and right installing plate 13 is connectedRear connecting plate 14, described left installing plate 12 and right installing plate 13 are disposed on the top of bottom support plate 11,And extend downward to be connected on bottom support plate 11 to realize by rear connecting plate 14 and be fixed on bottom support plate 11On.
Preferably, the right-hand member of described coil rack 3 has been horizontally disposed with one on the lower for clamping described coil 4The U-shaped plate 34 of the other end, the thickness of the A/F of U-shaped plate 34 and coil 4 is suitable, coil 4 is luckyCan and be fixed in the opening of U-shaped plate 34 through the opening of U-shaped plate 34.
Preferably, the right-hand member of described coil rack 3 is top is vertically provided with and the right installing plate of yoke support 113 coordinate hold plate 35, hold plate 35 and be provided with for being fixed on right installation with right installing plate 13 contact-making surfacesDraw-in groove on plate 13.
Preferably, the axial spring moving for iron core reaction spring 24 that is coaxially provided with of described static iron core 23Pilot hole 232 and the push rod pilot hole 233 moving for push rod 22; The aperture of spring pilot hole 232 is greater thanThe aperture of push rod pilot hole 233, is formed for keeping out between spring pilot hole 232 and push rod pilot hole 233Iron core reaction spring 24 keep out boss 234; The end butt of one end of push rod 22 and moving iron core 21, topThe other end of bar 22 is successively by spring pilot hole 232 and the push rod pilot hole 233 of static iron core 23; Described ironCore reaction spring 24 is sleeved on push rod 22, and one end of iron core reaction spring 24 and push rod 22 butts are anotherOne end is connected to keeping out on boss 234 of static iron core 23 by the spring pilot hole 232 of static iron core 23.
The electromagnetic system of breaker of the present utility model, the first positioning bar by coil rack and static iron coreBeing equipped with of the first locating slot, ensures the location of static iron core in coil rack and fixing, avoids because of iron coreThe elastic force of reaction spring is excessive and the situation that causes static iron core to be easily ejected or to come off improves the instantaneous of breakerStability and the reliability of threading off, simple and reliable for structure, be convenient to processing and assembling. In addition, coil rack,The assembly structure of core assembly, yoke support simply, reliable and efficiency is high. The setting of the second positioning bar, subtractsThe outer diameter of small coil skeleton, the production material of minimizing coil rack, moving iron core and static iron core, saves rawProduce cost, can ensure the welding position of coil simultaneously, can effectively improve again radiating effect. Rear connecting plateArrange, avoid left installing plate and right installing plate to interfere the installation of other parts, simplify left installing plate and right peaceThe fit structure of dress plate and other parts, simple in structure and solid and reliable, be convenient to processing, and be convenient to entiretyAssembling, improves efficiency of assembling and reliability.
Brief description of the drawings
Fig. 1 is the front view of the electromagnetic system of breaker of the present utility model;
Fig. 2 is the right axonometric drawing of the electromagnetic system of breaker of the present utility model;
Fig. 3 is the left axonometric drawing of the electromagnetic system of breaker of the present utility model;
Fig. 4 is the sectional view of coil rack of the present utility model and core assembly;
Fig. 5 is coil rack of the present utility model and the stereogram of core assembly;
Fig. 6 is the sectional view of coil rack of the present utility model;
Fig. 7 is the sectional view of static iron core of the present utility model.
Detailed description of the invention
The embodiment providing below in conjunction with accompanying drawing 1 to 7, further illustrates the electricity of breaker of the present utility modelThe detailed description of the invention of magnetic system. The electromagnetic system of breaker of the present utility model is not limited to following examplesDescribe.
As Figure 1-4, the electromagnetic system of breaker of the present utility model comprises yoke support 1 and installsCore assembly 2, coil rack 3 and coil 4 on yoke support 1, core assembly 2 is arranged on coil boneIn the cylinder chamber 31 of frame 3, coil 4 is sleeved on the outer wall of coil rack 3; Described core assembly 2 comprises complies withInferior connected moving iron core 21, push rod 22 and static iron core 23 and be arranged on push rod 22 and static iron core 23 betweenIron core reaction spring 24; It is fixed that the inwall in the cylinder chamber 31 of described coil rack 3 is provided with for static iron core 23Position and the first fixing positioning bar 32, described static iron core 23 correspondence positions are provided with the first positioning bar 32 joinsThe first locating slot 231 closing is deviate from the cylinder chamber 31 of coil rack 3 to prevent static iron core 23. Coil boneThe cooperation of the first positioning bar of frame and static iron core close-fitting merga pass coil rack and the first locating slot of static iron coreArrange, ensure the location of static iron core in coil rack and fixing, avoid the elastic force mistake because of iron core reaction springLarge and the situation that causes static iron core to be easily ejected or to come off, improve breaker instantaneous trip stability and canBy property, simple and reliable for structure, be convenient to processing and assembling.
As shown in Figure 6 and Figure 7, the cooperation of the first positioning bar 32 of the present utility model and the first locating slot 231A preferred embodiment of structure, the first positioning bar 32 is circular-arc convex tendon, its quantity is at least two, extremelyFirst positioning bar 32 of few two is distributed on the same annulus of cylinder chamber 31 inwalls of coil rack 3,The annular groove of described the first locating slot 231 for coordinating with the first positioning bar 32, the first positioning bar 32 is preferredBe three but be not limited to three.
A preferred embodiment of the fit structure of coil rack 3 of the present utility model and coil 4, described lineThe outer wall of ring framework 3 is provided with second positioning bar 33 of locating and fixing for coil 4, described the second locationThe direction of curling up of the trend of muscle 33 and coil 4 is interlocked. The setting of the second positioning bar, reaches and reduces coil rackOuter diameter, reduce the production material of coil rack, moving iron core and static iron core simultaneously, save production cost,And can ensure the welding position of coil, can effectively improve again radiating effect. Preferably, described second is fixedThe quantity of position muscle 33 is at least two, and second positioning bar 33 of at least two is evenly distributed in coil boneOn the outer wall of frame 3 and parallel with the axis of coil rack 3; The quantity of the second positioning bar 33 be preferably four butBe not limited to four; The number of turn that is sleeved on the coil 4 on coil rack 3 is a circle.
Yoke support 1 of the present utility model comprises that bottom support plate 11 and perpendicular separation are arranged on bottom support plateLeft installing plate 12 on 11 and right installing plate 13, left installing plate 12 is provided with for clamping core assembly 2Static iron core 23 stretches out the left draw-in groove 121 of the external part outside a chamber 31, the external part of static iron core 23 be provided withThe width of the second locating slot 235, the second locating slots 235 that left installing plate 12 coordinates and left installing plate 12 thickQuite, static iron core 23 can be fixedly mounted on yoke support 1 by the second locating slot 235 on it to degree justLeft installing plate 12 on; Right installing plate 13 is provided with the right draw-in groove 131 for clamping coil rack 3, coilOn 4 coil racks 3 that are sleeved between left installing plate 12 and right installing plate 13, one end of coil 4 is welded onOn the bottom support plate 11 of yoke support 1, the other end of coil 4 is fixed on coil rack 3.
Described yoke support 1 also comprises with left installing plate 12 and right installing plate 13 and is the U-shaped rear connection being connectedPlate 14, described left installing plate 12 and right installing plate 13 are disposed on the top of bottom support plate 11, and pass throughRear connecting plate 14 extends downward to be connected on bottom support plate 11 and is fixed on bottom support plate 11 to realize. AfterThe setting of connecting plate, avoids left installing plate and right installing plate to interfere the installation of other parts, simplifies left installationThe fit structure of plate and right installing plate and other parts, simple in structure and solid and reliable, be convenient to processing, andBe convenient to entirety assembling, improve efficiency of assembling and reliability.
In order to improve overall Assembly stability, as shown in Figure 5, the right side of coil rack 3 of the present utility modelEnd is horizontally disposed with one on the lower for clamping the U-shaped plate 34 of the other end of described coil 4, U-shaped plate 34The thickness of A/F and coil 4 is suitable, and coil 4 can and be fixed on through the opening of U-shaped plate 34 justIn the opening of U-shaped plate 34. The right-hand member of described coil rack 3 is top to be vertically provided with and the right side of yoke support 1What installing plate 13 coordinated holds plate 35, holds plate 35 and is provided with for being fixed on right installing plate 13 contact-making surfacesDraw-in groove on right installing plate 13. Simple in structure and rationally distributed, be convenient to assembling, improve efficiency of assembling and stableProperty.
As shown in Figure 7, static iron core 23 of the present utility model be axially coaxially provided with connected for iron core counter-forceThe spring pilot hole 232 that spring 24 moves and the push rod pilot hole 233 moving for push rod 22; Push rod guidingThat one end that 233Yu Tong chamber, hole 31 is interlinked to the outside is provided with horn-like opening, is easy to processing, is convenient to push rod action,Ensure the stability of circuit breaker tripping; The aperture of spring pilot hole 232 is greater than the aperture of push rod pilot hole 233,Between spring pilot hole 232 and push rod pilot hole 233, be formed for keeping out keeping out of iron core reaction spring 24 protrudingPlatform 234; The end butt of one end of push rod 22 and moving iron core 21, the other end of push rod 22 is successively by quietThe spring pilot hole 232 of iron core 23 and push rod pilot hole 233; Described iron core reaction spring 24 is sleeved on push rodOn 22, one end of iron core reaction spring 24 and push rod 22 butts, the other end is led by the spring of static iron core 23Be connected to keeping out on boss 234 of static iron core 23 to hole 232.
As shown in Figure 4, the mounting means of core assembly 2 of the present utility model, moves iron core 21, is set with outwardThe push rod 22 of iron core reaction spring 24 and static iron core 23 are arranged on the cylinder chamber of coil rack 3 from right to left successivelyIn 31; The left end that is positioned at the moving iron core 21 of a chamber 31 right-hand members is kept out in cylinder chamber 31, the right side of moving iron core 21End is exposed at outside a chamber 31, poor first limit convex that forms of external diameter size of the left and right end junction of moving iron core 21Piece 211, correspondingly, the cylinder 31 right-hand member exits, chamber of coil rack 3 are provided with the second spacing block set 36 of cooperation,The cooperation of the first spacing block set 211 and the second spacing block set 36 forms moving the spacing of iron core 21 actuating lengthsDeviate from the cylinder chamber 31 of coil rack 3 to keep out moving iron core 21; Be positioned at the static iron core 23 of a chamber 31 left endsRight-hand member be fixed on the first positioning bar 32 on coil rack 3 inwalls by the first locating slot 231 location,The left end of static iron core 23 stretches out outside a chamber 31 and is fixed on the left installing plate 12 of yoke support 1.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model,Can not assert that concrete enforcement of the present utility model is confined to these explanations. For technology under the utility modelThe those of ordinary skill in field, without departing from the concept of the premise utility, if can also makeDry simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. an electromagnetic system for breaker, is characterized in that: comprise yoke support (1) and be arranged onCore assembly (2), coil rack (3) and coil (4) on yoke support (1), core assembly (2)Be arranged in the cylinder chamber (31) of coil rack (3), coil (4) is sleeved on the outer wall of coil rack (3)On; Described core assembly (2) comprises connected moving iron core (21), push rod (22) and static iron core (23)And be arranged on the iron core reaction spring (24) between push rod (22) and static iron core (23); Described coil boneThe inwall in the cylinder chamber (31) of frame (3) is provided with for static iron core (23) location and the first fixing positioning bar(32), described static iron core (23) correspondence position is provided with the first location coordinating with the first positioning bar (32)Groove (231) is deviate from the cylinder chamber (31) of coil rack (3) to prevent static iron core (23).
2. the electromagnetic system of breaker according to claim 1, is characterized in that: described coil rack(3) outer wall is provided with for coil (4) location and fixing the second positioning bar (33), and described second is fixedThe direction of curling up of the trend of position muscle (33) and coil (4) is interlocked.
3. the electromagnetic system of breaker according to claim 1, is characterized in that: be sleeved on coil boneThe number of turn of the coil (4) on frame (3) is a circle.
4. the electromagnetic system of breaker according to claim 1, is characterized in that: described the first locationMuscle (32) is circular-arc convex tendon, and its quantity is at least two, between first positioning bar (32) of at least twoEvery being distributed on the same annulus of cylinder chamber (31) inwall of coil rack (3), described the first locating slot (231)For the annular groove coordinating with the first positioning bar (32).
5. the electromagnetic system of breaker according to claim 2, is characterized in that: described the second locationThe quantity of muscle (33) is at least two, and second positioning bar (33) of at least two is distributed in coil boneOn the outer wall of frame (3) and parallel with the axis of coil rack (3).
6. the electromagnetic system of breaker according to claim 1, is characterized in that: described yoke support(1) comprise that bottom support plate (11) and perpendicular separation are arranged on the left installing plate on bottom support plate (11)(12) and right installing plate (13), left installing plate (12) is provided with for clamping the quiet of core assembly (2)The left draw-in groove (121) of iron core (23), right installing plate (13) is provided with for clamping coil rack (3)Right draw-in groove (131), coil (4) is sleeved on the coil between left installing plate (12) and right installing plate (13)On skeleton (3), one end of coil (4) is welded on the bottom support plate (11) of yoke support (1), lineThe other end of circle (4) is fixed on coil rack (3).
7. the electromagnetic system of breaker according to claim 6, is characterized in that: described yoke support(1) also comprise with left installing plate (12) and right installing plate (13) and be the U-shaped rear connecting plate (14) being connected,Described left installing plate (12) and right installing plate (13) are disposed on the top of bottom support plate (11), andExtend downward to be connected on bottom support plate (11) by rear connecting plate (14) and be fixed on bottom support to realizeOn plate (11).
8. the electromagnetic system of breaker according to claim 6, is characterized in that: described coil rack(3) right-hand member is horizontally disposed with one on the lower for clamping the U-shaped plate (34) of the other end of described coil (4),The thickness of the A/F of U-shaped plate (34) and coil (4) is suitable, and coil (4) just can be through U-shapedThe opening of plate (34) is also fixed in the opening of U-shaped plate (34).
9. the electromagnetic system of breaker according to claim 6, is characterized in that: described coil rack(3) the top plate that holds coordinating with the right installing plate (13) of yoke support (1) that is vertically provided with of right-hand member(35), holding plate (35) is provided with for being fixed on right installing plate (13) with right installing plate (13) contact-making surfaceOn draw-in groove.
10. the electromagnetic system of breaker according to claim 1, is characterized in that: described static iron core(23) be axially coaxially provided with for the spring pilot hole (232) of iron core reaction spring (24) action and useIn the push rod pilot hole (233) of push rod (22) action; The aperture of spring pilot hole (232) is greater than push rod and leadsThe aperture of (233) to hole, between spring pilot hole (232) and push rod pilot hole (233), be formed for toButing iron core reaction spring (24) keep out boss (234); One end of push rod (22) and moving iron core (21)End butt, the other end of push rod (22) is successively by the spring pilot hole (232) of static iron core (23)With push rod pilot hole (233); It is upper that described iron core reaction spring (24) is sleeved on push rod (22), and iron core is anti-One end of power spring (24) and push rod (22) butt, the other end is by the spring guiding of static iron core (23)Hole (232) is connected to keeping out on boss (234) of static iron core (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938580.9U CN205264617U (en) | 2015-11-23 | 2015-11-23 | Electromagnetic system of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938580.9U CN205264617U (en) | 2015-11-23 | 2015-11-23 | Electromagnetic system of circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN205264617U true CN205264617U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520938580.9U Active CN205264617U (en) | 2015-11-23 | 2015-11-23 | Electromagnetic system of circuit breaker |
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| CN (1) | CN205264617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735419A (en) * | 2018-08-28 | 2018-11-02 | 星宇电子(宁波)有限公司 | Electromagnetic coil with dual magnetic permeability structure |
| CN109712851A (en) * | 2017-10-25 | 2019-05-03 | 浙江正泰电器股份有限公司 | Electromagnetic trip device assembly |
| CN110085481A (en) * | 2019-04-24 | 2019-08-02 | 瑞声精密制造科技(常州)有限公司 | Electromagnetic switching device |
-
2015
- 2015-11-23 CN CN201520938580.9U patent/CN205264617U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712851A (en) * | 2017-10-25 | 2019-05-03 | 浙江正泰电器股份有限公司 | Electromagnetic trip device assembly |
| CN109712851B (en) * | 2017-10-25 | 2024-04-12 | 浙江正泰电器股份有限公司 | Electromagnetic release assembly |
| CN108735419A (en) * | 2018-08-28 | 2018-11-02 | 星宇电子(宁波)有限公司 | Electromagnetic coil with dual magnetic permeability structure |
| CN108735419B (en) * | 2018-08-28 | 2024-03-26 | 星宇电子(宁波)有限公司 | Electromagnetic coil with double magnetic force guiding structure |
| CN110085481A (en) * | 2019-04-24 | 2019-08-02 | 瑞声精密制造科技(常州)有限公司 | Electromagnetic switching device |
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