CN104167337A - Novel electromagnetic system and miniature circuit breaker - Google Patents
Novel electromagnetic system and miniature circuit breaker Download PDFInfo
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- CN104167337A CN104167337A CN201410409699.7A CN201410409699A CN104167337A CN 104167337 A CN104167337 A CN 104167337A CN 201410409699 A CN201410409699 A CN 201410409699A CN 104167337 A CN104167337 A CN 104167337A
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Abstract
The invention relates to a novel electromagnetic system of a miniature circuit breaker. The problems that in an existing miniature circuit breaker electromagnetic system, welding operation is inconvenient, and the locating stability of a coil and a magnetic yoke is poor are mainly solved. The novel electromagnetic system comprises a magnetic yoke, a coil framework and a coil. The magnetic yoke comprises a supporting plate, a first lug sheet and a second lug sheet are arranged at one end of the coil framework in the vertical direction, a first U-shaped through groove is formed in the first lug plate, a first protruding edge is arranged on the side face of the first lug sheet, a second L-shaped through groove is formed in the second lug plate, the second through groove comprises a vertical through groove body and a horizontal through groove body, a second protruding edge is arranged at the position, below the horizontal through groove body, of the side face of the second lug sheet, the first through groove and the vertical through groove body are correspondingly distributed in the vertical direction and are opposite in opening orientation, the supporting plate is respectively clamped in the first through groove and the second through groove in a matched mode, a first gap and a second gap are formed in the side face of the supporting plate, the first gap is clamped with the first protruding edge, and the second gap is clamped with the second protruding edge. Due to the fact that the unique mounting structure is adopted in the novel electromagnetic system, the locating effect of the coil framework and the magnetic yoke is good, high stability is achieved, coil welding is convenient, and operation is easy.
Description
Technical field
The present invention and a kind of circuit breaker, refer in particular to a kind of electromagnet system and miniature circuit breaker of miniature circuit breaker.
Background technology
Miniature circuit breaker range of application is wider, is mainly used in the various places such as industry, business, high level and residential houses.At present, the electromagnetic system of the miniature circuit breaker on market mainly comprises yoke, fixed contact, coil rack, coil, moving iron core, static iron core and push rod, coil rack is arranged in yoke and easily occurs that locating effect is poor, make coil in the time of welded and installed, swinging easily appears in coil rack, thereby welding brings inconvenience to coil.In addition, fixed contact and yoke adopt Welding Structure, and welding resistance is large, is unfavorable for the cooling of product, can not effectively ensure accurate positioning, consistency.
Summary of the invention
In order to overcome shortcoming and the weak point of background technology, the invention provides a kind of electromagnet system of miniature circuit breaker, when solving the online lap welding of existing miniature circuit breaker and connecing, there is operation inconvenience, the poor problem of position stability.
Technical scheme of the present invention is: a kind of electromagnet system of miniature circuit breaker, comprise yoke, coil rack and coil, described coil is located at coil rack periphery, described yoke comprises the supporting bracket of yoke bottom and end, one end vertical direction of described coil rack is provided with the first auricle, the second auricle, described the first auricle is provided with first groove of " U " shape, and the first chimb of the side height of formation direction of described the first auricle, described the second auricle is provided with second groove of " L ", described the second groove comprises vertical portion groove and horizontal part groove, and the side of described the second auricle is positioned at the second chimb of the below height of formation direction of horizontal part, the corresponding distribution of described the first groove and described vertical portion groove vertical direction and opening are towards the opposite, what described coil rack matched respectively by described supporting bracket snap in the first groove and the second groove is fixed in yoke, the side of described supporting bracket is provided with the first breach and the second breach, described the first breach and the first chimb fasten, described the second breach and the second chimb fasten.
The upper end of described supporting bracket is provided with unfilled corner, between described unfilled corner and the second groove, forms triangle space.
Described the first auricle, the second auricle and coil rack are wholely set.
Described yoke is U-shaped, described supporting bracket is 2, for being positioned at the first supporting bracket and second supporting bracket at two ends, yoke bottom, described the first supporting bracket and the first auricle, the second auricle are interlocked, and match with described the second supporting bracket in the other end of described coil rack.
Also comprise and be positioned at the static iron core of coil inside, moving iron core and iron core push rod, described static iron core and the first supporting bracket near, described iron core push rod is positioned at states static iron core inside, described moving iron core is provided with connecting rod, the outer bulge loop that is arranged with of described connecting rod, described iron core push rod is provided with through hole, and described connecting rod penetrates through hole and coordinates with iron core push rod riveting by bulge loop.
Described yoke bottom is hierarchic structure, comprises the first bottom and the second bottom, and described the second bottom is lower sink structure with respect to the first bottom and also and between coil forms certain gap.
Arc-shaped transition between described the first bottom and the second bottom.
Also comprise fixed contact, described fixed contact and yoke one are formed by connecting.
The opposite side of fixed contact is provided with conducting strip, and one end yoke of described coil is welded mutually, and the other end welds mutually with conducting strip.
A kind of miniature circuit breaker, comprises shell, is provided with described electromagnet system in described shell.
the present invention has following beneficial effect:because this electromagnet system adopts unique mounting structure, coil rack and yoke good positioning effect, stability is high, coil convenient welding, easy operating.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of miniature circuit breaker of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is orthographic projection view of the present invention.
Fig. 4 is the structural representation of invention coil skeleton.
Fig. 5 is the structural representation of another angle of coil skeleton of the present invention.
Fig. 6 is the structural representation of yoke in the present invention.
Fig. 7 is exploded view of the present invention.
In figure, yoke 1, coil rack 2, coil 3,4, the first bottoms 41, yoke bottom, the second bottom 42, supporting bracket 5, the first supporting bracket 51, the second supporting bracket 52, the first auricles 6, the second auricle 7, the first grooves 8, chimb 9, the first vertical portion grooves 11, horizontal part groove 12, the second chimb 13, the first breach 14, the second breach 15, unfilled corner 16, triangle space 17, static iron core 18, moving iron core 19, iron core push rod 20, connecting rod 21, bulge loop 22, through hole 23, gap 24, fixed contact 25, conducting strip 26, shell 27.
Embodiment
For accompanying drawing, embodiments of the invention are described further below:
As shown in the figure, a kind of electromagnet system of miniature circuit breaker, comprise yoke 1, coil rack 2 and coil 3, described coil 3 is located at coil rack 2 peripheries, described yoke 1 comprises the supporting bracket 5 of yoke bottom 4 and end, one end vertical direction of described coil rack 2 is provided with the first auricle 6, the second auricle 7, described the first auricle 6 is provided with first groove 8 of " U " shape, and the first chimb 9 of the side height of formation direction of described the first auricle 6, described the second auricle 7 is provided with second groove 10 of " L ", described the second groove 10 comprises vertical portion groove 11 and horizontal part groove 12, and the side of described the second auricle 7 is positioned at the second chimb 13 of the below height of formation direction of horizontal part groove 12, described the first groove 8 and the corresponding distribution of described vertical portion groove 11 vertical directions and opening are towards the opposite, what described coil rack 2 matched respectively by described supporting bracket 5 snap in the first groove 8 and the second groove 10 is fixed in yoke 1, the side of described supporting bracket 5 is provided with the first breach 14 and the second breach 15, described the first breach 14 and the first chimb 9 fasten, described the second breach 15 and the second chimb 9 fasten.Add man-hour, on coil rack, process the first auricle 6, the second auricle 7, then process the first groove and the second groove at the first auricle 6, the second auricle 7, then in supporting bracket, process the said structure matching with the first groove, the second groove, in the above and below of supporting bracket side, the first breach and the second breach are set respectively.Towards the opposite due to the first groove of the first auricle 6, the second auricle 7 and the second groove, therefore, in the time that coil rack is arranged in yoke, the stressed opposite direction in top and the bottom of supporting bracket, realize the object of dislocation location, and in conjunction with the retaining structure of above-mentioned uniqueness, the fastness of the installation of coil rack is effectively improved, strengthen stability strong.According to such scheme, because this electromagnet system adopts above-mentioned mounting structure, coil rack and yoke good positioning effect, stability is high, coil convenient welding, easy operating.
In the present embodiment, the upper end of described supporting bracket 5 is provided with unfilled corner 16, between described unfilled corner 16 and the second groove 10, forms triangle space 17.By the upper end in supporting bracket, unfilled corner is set, makes supporting bracket after snapping in the second groove, prevent that its upper end from directly contacting and causing damage with the inwall of groove, cause locating effect to reduce.
In the present embodiment, described the first auricle 6, the second auricle 7 are wholely set with coil rack 2.The first auricle 6, the second auricle 7 process with coil rack one, easy to process, improve the stability of installing.
In the present embodiment, described yoke 1 is U-shaped, described supporting bracket 5 is 2, for being positioned at the first supporting bracket 51 and second supporting bracket 52 at 4 two ends, yoke bottom, described the first supporting bracket 51 and the first auricle 6, the second auricle 7 are interlocked, and match with described the second supporting bracket 52 in the other end of described coil rack 2.Yoke 1 is U-shaped structure, and one end of coil rack 2 is arranged in the first supporting bracket, and the first auricle 6, the second auricle 7 and the first supporting bracket are interlocked, and the other end of coil rack 2 is supported in the second supporting bracket, further improves the stability of coil rack location.
In the present embodiment, also comprise and be positioned at the static iron core 18 of coil 3 inside, moving iron core 19 and iron core push rod 20, described static iron core 18 and the first supporting bracket 51 near, described iron core push rod 20 is positioned at states static iron core 18 inside, described moving iron core 19 is provided with connecting rod 21, the outer bulge loop 22 that is arranged with of described connecting rod 21, described iron core push rod 20 is provided with through hole 23, and described connecting rod 21 penetrates through hole 23 and coordinates with iron core push rod 20 rivetings by bulge loop 22.By being arranged with bulge loop 22 outside the connecting rod 21 on moving iron core, in the time assembling with iron core push rod 20, by bulge loop connecting rod 21 rivetings in the through hole 23 of iron core push rod 20, make moving iron core realize with iron core push rod 20 object being connected, easy for installation, be connected firmly.
In the present embodiment, described yoke bottom 4 is hierarchic structure, comprise the first bottom 41 and the second bottom 42, described the second bottom 42 with respect to the first bottom 41 be lower sink structure and and coil 3 between form certain gap 24, arc-shaped transition between described the first bottom 41 and the second bottom 42.By yoke bottom 4 is arranged and is hierarchic structure, make yoke bottom 4 produce certain gap with coil, prevent that coil from contacting and causing short circuit with yoke, effectively ensures the safety of circuit.
In the present embodiment, also comprise fixed contact 25, described fixed contact 25 is formed by connecting with yoke 1 one.Fixed contact 25 adopts integrative-structure with yoke, has good positioning effect, reduces resistance, is conducive to reduce temperature rise, ensures location correctness, consistency.
In the present embodiment, the opposite side of fixed contact 3 is provided with conducting strip 26, and one end yoke 1 of described coil 3 is welded mutually, and the other end welds mutually with conducting strip 26.Due to coil rack is positioned in yoke, therefore, coil when with the welding of conducting strip, yoke, convenient welding, simple to operate.
A kind of miniature circuit breaker, comprises shell 27, is provided with described electromagnet system in described shell 27.Due to the electromagnet system of this miniature circuit breaker employing said structure, make circuit breaker when mounted, there is magnetic property good, the advantage such as convenient welding and easy operating, in addition contact also have welding resistance low, good cooling effect, and the advantage of accurate positioning.
Embodiment should not be considered as limitation of the present invention, but anyly does based on spirit institute of the present invention
Improvement, all should be within protection scope of the present invention.
Claims (10)
1. an electromagnet system, comprise yoke (1), coil rack (2) and coil (3), described coil (3) is located at coil rack (2) periphery, described yoke (1) comprises the supporting bracket (5) of yoke bottom (4) and end, it is characterized in that: an end vertical direction of described coil rack (2) is provided with the first auricle (6), the second auricle (7), described the first auricle (6) is provided with first groove (8) of " U " shape, and first chimb (9) of the side height of formation direction of described the first auricle (6), described the second auricle (7) is provided with second groove (10) of " L ", described the second groove (10) comprises vertical portion groove (11) and horizontal part groove (12), and the side of described the second auricle (7) is positioned at second chimb (13) of the below height of formation direction of horizontal part groove (12), the corresponding distribution of described the first groove (8) and described vertical portion groove (11) vertical direction and opening are towards the opposite, what described coil rack (2) matched respectively by described supporting bracket (5) snap in the first groove (8) and the second groove (10) is fixed in yoke (1), the side of described supporting bracket (5) is provided with the first breach (14) and the second breach (15), described the first breach (14) fastens with the first chimb (9), described the second breach (15) fastens with the second chimb (13).
2. electromagnet system according to claim 1, it is characterized in that: the upper end of described supporting bracket (5) is provided with unfilled corner (16), between described unfilled corner (16) and the second groove (10), form triangle space (17).
3. electromagnet system according to claim 1, is characterized in that: described the first auricle (6), the second auricle (7) are wholely set with coil rack (2).
4. electromagnet system according to claim 1, it is characterized in that: described yoke (1) is U-shaped, described supporting bracket (5) is 2, for being positioned at the first supporting bracket (51) and second supporting bracket (52) at (4) two ends, yoke bottom, described the first supporting bracket (51) is interlocked with the first auricle (6), second auricle (7) of described coil rack (2), matches with described the second supporting bracket (52) in the other end of described coil rack (2).
5. electromagnet system according to claim 4, it is characterized in that: also comprise and be positioned at the inner static iron core (18) of coil (3), moving iron core (19) and iron core push rod (20), described static iron core (18) and the first supporting bracket (51) near, described iron core push rod (20) is positioned at states static iron core (18) inside, described moving iron core (19) is provided with connecting rod (21), the outer bulge loop (22) that is arranged with of described connecting rod (21), described iron core push rod (20) is provided with through hole (23), described connecting rod (21) penetrates through hole (23) and coordinates with iron core push rod (20) riveting by bulge loop (22).
6. according to the electromagnet system described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described yoke bottom (4) is hierarchic structure, comprise the first bottom (41) and the second bottom (42), described the second bottom (42) with respect to the first bottom (41) be lower sink structure and and coil (3) between form certain gap (24).
7. electromagnet system according to claim 6, is characterized in that: arc-shaped transition between described the first bottom (41) and the second bottom (42).
8. according to the electromagnet system described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: also comprise fixed contact (25), described fixed contact (25) is formed by connecting with yoke (1) one.
9. electromagnet system according to claim 8, it is characterized in that: the opposite side of fixed contact (25) is provided with conducting strip (26), one end yoke (1) of described coil (3) is welded mutually, and the other end welds mutually with conducting strip (26).
10. a miniature circuit breaker, comprises shell (27), it is characterized in that: in described shell (27), be provided with electromagnet system claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409699.7A CN104167337B (en) | 2014-08-20 | 2014-08-20 | A kind of electromagnetic system and miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409699.7A CN104167337B (en) | 2014-08-20 | 2014-08-20 | A kind of electromagnetic system and miniature circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN104167337A true CN104167337A (en) | 2014-11-26 |
| CN104167337B CN104167337B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410409699.7A Active CN104167337B (en) | 2014-08-20 | 2014-08-20 | A kind of electromagnetic system and miniature circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930248A (en) * | 2015-06-30 | 2015-09-23 | 贵州新安航空机械有限责任公司 | Solenoid valve coil support |
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| EP2037478A2 (en) * | 2007-09-14 | 2009-03-18 | Siemens Aktiengesellschaft | Spool carrier and yoke of an electromagnetic actuator of a protective switching device, electromagnetic actuator and protective switching device |
| CN103594295A (en) * | 2013-11-08 | 2014-02-19 | 上海诺雅克电气有限公司 | Trip device of residual current operated circuit-breaker |
| CN103632898A (en) * | 2012-08-22 | 2014-03-12 | 西门子公司 | Electromagnetic trip and residual current operated circuit breaker adopting the same |
| CN203503577U (en) * | 2013-09-13 | 2014-03-26 | 浙江正泰电器股份有限公司 | Electric leakage buckle release |
| CN204067279U (en) * | 2014-08-20 | 2014-12-31 | 加西亚电子电器有限公司 | A kind of electromagnet system and miniature circuit breaker |
-
2014
- 2014-08-20 CN CN201410409699.7A patent/CN104167337B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2037478A2 (en) * | 2007-09-14 | 2009-03-18 | Siemens Aktiengesellschaft | Spool carrier and yoke of an electromagnetic actuator of a protective switching device, electromagnetic actuator and protective switching device |
| CN103632898A (en) * | 2012-08-22 | 2014-03-12 | 西门子公司 | Electromagnetic trip and residual current operated circuit breaker adopting the same |
| CN203503577U (en) * | 2013-09-13 | 2014-03-26 | 浙江正泰电器股份有限公司 | Electric leakage buckle release |
| CN103594295A (en) * | 2013-11-08 | 2014-02-19 | 上海诺雅克电气有限公司 | Trip device of residual current operated circuit-breaker |
| CN204067279U (en) * | 2014-08-20 | 2014-12-31 | 加西亚电子电器有限公司 | A kind of electromagnet system and miniature circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930248A (en) * | 2015-06-30 | 2015-09-23 | 贵州新安航空机械有限责任公司 | Solenoid valve coil support |
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| Publication number | Publication date |
|---|---|
| CN104167337B (en) | 2016-04-13 |
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Address after: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545 Patentee after: Garcia electronic appliance Limited by Share Ltd Address before: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545 Patentee before: GACIA ELECTRICAL APPLIANCE CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |