CN201298519Y - Energy storage high-breaking miniature breaker - Google Patents
Energy storage high-breaking miniature breaker Download PDFInfo
- Publication number
- CN201298519Y CN201298519Y CNU2008201362086U CN200820136208U CN201298519Y CN 201298519 Y CN201298519 Y CN 201298519Y CN U2008201362086 U CNU2008201362086 U CN U2008201362086U CN 200820136208 U CN200820136208 U CN 200820136208U CN 201298519 Y CN201298519 Y CN 201298519Y
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- energy storage
- moving contact
- torsion spring
- base
- handle
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Abstract
The utility model discloses an energy storage high-breaking miniature breaker which relates to a low-voltage circuit terminal electric appliance; a breaker base is provided with an operation mechanism, an arc extinguish system, an instantaneous trip system, a thermal trip system, a dynamic contact and a static contact which are driven by a handle; the base is also provided with an energy storage mechanism; the energy storage mechanism comprises an energy storage torsion spring, a fixed shaft and an energy storage part; the fixed shaft is arranged in an axle hole A; the axle hole A is arranged on the base; the energy storage part is provided with an axle hole for the fixed shaft to be inserted in, and a holding groove which is used to contain the energy storage torsion spring; one end of the energy storage torsion spring leans to the inner side surface of the holding groove, and the other end leans to the inner side wall of the right side surface of the base under the torque of the energy storage torsion spring; and the energy storage part is also provided with an energy storage rod which is used to block the dynamic contact, and a closing lever which is used to block a dynamic contact torsion spring. The dynamic contact can be quickly closed and is not impacted by the rotating speed of the handle by hand, so as to effectively improve the service life of the contacts.
Description
Technical field
The utility model relates to the low-voltage circuit terminal appliance, a kind of specifically energy storage type high breaking miniature circuit breaker.
Background technology
Existing miniature circuit breaker (for example: C45 series miniature circuit breaker) when hand-reset, the moving contact closing speed depends on hand propelled handle velocity of rotation, moving contact pressure is to start from scratch slowly to increase, and this can cause and draw electric arc, thereby influence the useful life of contact.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of energy storage type high breaking miniature circuit breaker, and moving contact can quick-make and be not subjected to the influence of hand propelled handle velocity of rotation, thus the useful life of effectively improving contact.
For reaching above purpose, the technical scheme that the utility model is taked is:
A kind of energy storage type high breaking miniature circuit breaker, comprise that end face is provided with the base 2 of handle 15, be provided with the operating mechanism that drives by handle 15 in the base 2, arc quenching system, the instantaneous trip system, hot tripping system, moving contact 25 and fixed contact 30, it is characterized in that: also be provided with stored energy mechanism in the base, said stored energy mechanism comprises energy storage torsion spring 27, fixed axis 28, energy storage part 29, fixed axis 28 is arranged among the axis hole A52, axis hole A52 is arranged on the base, energy storage part 29 is provided with the axis hole 43 that is used to insert fixed axis 28, the standing groove 42 that holds energy storage torsion spring 27, one end of energy storage torsion spring 27 leans against on the medial surface of standing groove 42, the other end also is provided with the energy storage bar 41 that is used to stop moving contact 25 abutting against under the effect of energy storage torsion spring 27 moments of torsion on the base 2 right flank madial walls on the energy storage part 29, be used to stop the closed bar 40 of moving contact torsion spring 26.
On the basis of technique scheme, moving contact torsion spring 26 is enclosed within on the boss platform 51 on the base 2, and an end of moving contact torsion spring 26 abuts against boss 49 1 sides on the base 2, and the other end is stuck in the moving contact torsion spring draw-in groove 46 of moving contact rack 22.
On the basis of technique scheme, moving contact rack 22 is located at outside the moving contact 25 and with its elasticity and is connected, support torsion spring 24 two ends are stuck in the torsion spring draw-in groove 45 of moving contact rack 22 and moving contact 25, the axle 23 that plays interconnect function inserts the axis hole of moving contact 25, support torsion spring 24, lever 21 successively, and the positioning cylinder 44 on the lever 21 is inserted among the axis hole B50 of base 2.
On the basis of technique scheme, the operating mechanism that is driven by handle 15 comprises U-shaped bar 17, the handle spring 14 that is used for reseting handle 15 that connects handle 15 and lever 21, the latch spring 16 that is used for reset lock 12, tripping axle 18 is inserted among the axis hole C48 on the base 2, tripping 20 is enclosed within on the tripping axle 18, moving contact rack 22 places in the open slot of tripping 20, snap close axle 13 is inserted among the axis hole D47 on the base 2, and snap close 12 is enclosed within on the snap close axle 13; Arc quenching system is made up of arc separating wall 34, run-on tab 36, arc-extinguish chamber 37; The instantaneous trip system is made up of moving iron core 33, static iron core 9, coil 35, coil rack 10, yoke 8; Hot tripping system is made up of bimetal leaf 6, two golden adjusting nut 7; The A4 two ends that are flexible coupling are connected with terminal block 5, bimetal leaf 6 respectively, the B11 two ends that are flexible coupling are connected with bimetal leaf 6, coil 35 respectively, the C32 two ends that are flexible coupling are connected with coil 35, moving contact 25 respectively, snap close 12 lower end afterbodys and static iron core offset, and the end face of tripping 20 is pressed on snap close 12 lower middle position.
On the basis of technique scheme, the bottom surface of base 2 is provided with buckle 1, and the left and right sides face of base 2 is respectively equipped with the binding post 3 of band terminal block 5, and the end face of base 2 is provided with translucent cover 19.
Energy storage type high breaking miniature circuit breaker described in the utility model, moving contact can quick-makes and be not subjected to the influence of hand propelled handle velocity of rotation, thus the useful life of effectively improving contact.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 structural representation of the present utility model;
Fig. 2 stored energy mechanism schematic diagram;
Fig. 3 energy storage part schematic diagram;
Fig. 4 moving contact torsion spring, base schematic diagram;
Fig. 5 snap close, tripping, stored energy mechanism schematic diagram;
Schematic diagram before the energy storage of Fig. 6 energy storage part;
The schematic diagram during energy storage of Fig. 7 energy storage part;
Fig. 8 energy storage part action back schematic diagram;
Fig. 9 moving contact component schematic diagram;
Reference numeral:
1 is buckle, and 2 is base, and 3 is binding post, and 4 are the A that is flexible coupling, 5 is terminal block, and 6 is bimetal leaf, and 7 is two golden adjusting nuts, and 8 is yoke, 9 is static iron core, and 10 is coil rack, and 11 are the B that is flexible coupling, and 12 is snap close, 13 is the snap close axle, and 14 is handle spring, and 15 is handle, and 16 is latch spring, 17 is the U-shaped bar, and 18 are the tripping axle, and 19 is translucent cover, and 20 are tripping, 21 is lever, and 22 is moving contact rack, and 23 is axle, and 24 is the support torsion spring, 25 is moving contact, and 26 is the moving contact torsion spring, and 27 are the energy storage torsion spring, and 28 is fixed axis, 29 are the energy storage part, and 30 is fixed contact, and 31 are lid, and 32 for being flexible coupling C, 33 are moving iron core, and 34 is arc separating wall, and 35 is coil, 36 is run-on tab, and 37 is arc-extinguish chamber, and 40 is closed bar, 41 are the energy storage bar, and 42 is standing groove, and 43 is axis hole, 44 is positioning cylinder, and 45 is the torsion spring draw-in groove, and 46 is moving contact torsion spring draw-in groove, 47 is axis hole D, and 48 is axis hole C, and 49 is boss, 50 is axis hole B, and 51 is the boss platform, and 52 is axis hole A.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Shown in Fig. 1～5, energy storage type high breaking miniature circuit breaker described in the utility model, comprise that end face is provided with the base 2 of handle 15, be provided with the operating mechanism that drives by handle 15 in the base 2, arc quenching system, the instantaneous trip system, hot tripping system, moving contact 25 and fixed contact 30, also be provided with stored energy mechanism in the base, said stored energy mechanism comprises energy storage torsion spring 27, fixed axis 28, energy storage part 29 (referring to Fig. 2), fixed axis 28 is arranged on axis hole A52 (referring to Fig. 4,5) in, axis hole A52 is arranged on that (particular location of axis hole A as shown in the figure on the base, on the base between the right flank of moving contact 25 and base), energy storage part 29 is provided with the axis hole 43 that is used to insert fixed axis 28, the standing groove 42 that holds energy storage torsion spring 27, one end of energy storage torsion spring 27 leans against on the medial surface of standing groove 42, the other end is abutting against under the effect of energy storage torsion spring 27 moments of torsion on the base 2 right flank madial walls (referring to Fig. 2,5), also be provided with the energy storage bar 41 that is used to stop moving contact 25 on the energy storage part 29, be used to stop the closed bar 40 of moving contact torsion spring 26.Said operating mechanism, arc quenching system, instantaneous trip system, hot tripping system, moving contact 25 and the fixed contact 30 that is driven by handle 15 all can adopt existing techniques in realizing.For example: increase axis hole A52 and stored energy mechanism get final product on the basis of C45 series miniature circuit breaker.
On the basis of technique scheme, structure with C45 series miniature circuit breaker is an example, shown in Fig. 1,4,5,9, moving contact torsion spring 26 is enclosed within on the boss platform 51 on the base 2, one end of moving contact torsion spring 26 abuts against boss 49 1 sides on the base 2, and the other end is stuck in the moving contact torsion spring draw-in groove 46 of moving contact rack 22.
On the basis of technique scheme, as shown in Figure 9, moving contact rack 22 is located at outside the moving contact 25 and with its elasticity and is connected, support torsion spring 24 two ends are stuck in the torsion spring draw-in groove 45 of moving contact rack 22 and moving contact 25, the axle 23 that plays interconnect function inserts the axis hole of moving contact 25, support torsion spring 24, lever 21 successively, and the positioning cylinder 44 on the lever 21 is inserted among the axis hole B50 of base 2 (referring to Fig. 4).
On the basis of technique scheme, shown in Fig. 1,5, the operating mechanism that is driven by handle 15 comprises U-shaped bar 17, the handle spring 14 that is used for reseting handle 15 that connects handle 15 and lever 21, the latch spring 16 that is used for reset lock 12, tripping axle 18 is inserted among the axis hole C48 on the base 2, tripping 20 is enclosed within on the tripping axle 18, moving contact rack 22 places in the open slot of tripping 20, and snap close axle 13 is inserted among the axis hole D47 on the base 2, and snap close 12 is enclosed within on the snap close axle 13; Arc quenching system is made up of arc separating wall 34, run-on tab 36, arc-extinguish chamber 37; The instantaneous trip system is made up of moving iron core 33, static iron core 9, coil 35, coil rack 10, yoke 8; Hot tripping system is made up of bimetal leaf 6, two golden adjusting nut 7; The A4 two ends that are flexible coupling are connected with terminal block 5, bimetal leaf 6 respectively, the B11 two ends that are flexible coupling are connected with bimetal leaf 6, coil 35 respectively, the C32 two ends that are flexible coupling are connected with coil 35, moving contact 25 respectively, snap close 12 lower end afterbodys and static iron core offset, and the end face of tripping 20 is pressed on snap close 12 lower middle position (referring to Fig. 4).
On the basis of technique scheme, the bottom surface of base 2 is provided with buckle 1, and the left and right sides face of base 2 is respectively equipped with the binding post 3 of band terminal block 5, and the end face of base 2 is provided with translucent cover 19.Fasten with base 2 adaptive lid 31 and bases 2.
The utility model operation principle is as follows: shown in Fig. 6～7, during use, during handle 15 clockwise direction rotation under external force, (axle 23 axis holes that pass moving contact 25, lever 21, moving contact rack 22 threes link together moving axis head, lever, moving contact rack to drive U-shaped connecting rod 17 back promotion levers 21 and moving contact component, moving contact rack and moving contact are fixed on one piece by the moving contact rack torsion spring, and they have formed moving contact component.) rotate counterclockwise around axis hole B50; As shown in Figure 7, when handle 15 moved certain angle, moving contact 25 was pressed in the energy storage bar position of energy storage part 29, moving contact 25 stop motions; As shown in Figure 8, be rotated further handle 15, the moment of torsion that moving contact torsion spring 26 acts on energy storage part 29 closed bars increases gradually, and drive energy storage part 29 rotates around fixed axis 28 clockwise directions, up to the energy storage bar position of energy storage part 29 from moving contact 25 landings, moving contact 25 under 24 effects of support torsion spring with fixed contact 30 quick-makes.The characteristics of its shape and structure are: moving contact is only to fixed contact direction motion certain distance the time, moving contact be provided with below moving contact torsion spring and moving contact just can lean against on the energy storage part, when continuing motion, the energy storage part can rotate by clockwise direction, and the energy storage part hinders its rotation under the torsion spring effect of oneself, up to the energy storage bar position of energy storage part 29 from moving contact 25 landings; When moving contact and fixed contact disconnection, the energy storage part will turn back to initial condition under the torsion spring effect of oneself.
As shown in Figure 1, when circuit breaker occurred transshipping at work, bimetal leaf 6 was crooked to the right, bimetal leaf 6 promotes snap close 12, snap close 12 and tripping 20 releases, around axis hole B center of circle plane motion, moving contact 25 separates rapidly with fixed contact 30 moving contact 25 under moving contact torsion spring 26 torsional interactions.The electric arc that moving contact 25 and fixed contact 30 produce when disconnecting enters arc-extinguish chamber 37 through run-on tab 36 guiding and extinguishes.Regulate two golden adjusting nuts 7 in addition, reach the requirement of circuit breaker relevant action characteristic.
After snap close 12 releases, handle 15 resets in handle spring 14 effect turning down, and when moving contact 25 disconnected with fixed contact 30, energy storage part 29 returned under energy storage torsion spring 27 torsional interactions.Equally, when circuit breaker short circuit occurs at work, moving iron core 33 bump snap closes 12, snap close 12 and tripping 20 releases.
Good effect of the present utility model is as follows: because the utility model has disposed energy storage part group Part is so when manual operation, moving contact can quick-make and be not subjected to the shadow of manual speed speed Ring, thereby avoid or reduce the generation of drawing electric arc, the service life of effectively having improved contact.
Claims (5)
1. energy storage type high breaking miniature circuit breaker, comprise that end face is provided with the base of handle (15) (2), be provided with the operating mechanism that drives by handle (15) in the base (2), arc quenching system, the instantaneous trip system, hot tripping system, moving contact (25) and fixed contact (30), it is characterized in that: also be provided with stored energy mechanism in the base, said stored energy mechanism comprises energy storage torsion spring (27), fixed axis (28), energy storage part (29), fixed axis (28) is arranged among the axis hole A (52), axis hole A (52) is arranged on the base, energy storage part (29) is provided with the axis hole (43) that is used to insert fixed axis (28), the standing groove (42) that holds energy storage torsion spring (27), one end of energy storage torsion spring (27) leans against on the medial surface of standing groove (42), the other end also is provided with the energy storage bar (41) that is used to stop moving contact (25) abutting against under the effect of energy storage torsion spring (27) moment of torsion on base (2) the right flank madial wall on the energy storage part (29), be used to stop the closed bar (40) of moving contact torsion spring (26).
2. energy storage type high breaking miniature circuit breaker as claimed in claim 1, it is characterized in that: moving contact torsion spring (26) is enclosed within on the boss platform (51) on the base (2), one end of moving contact torsion spring (26) abuts against boss (49) one sides on the base (2), and the other end is stuck in the moving contact torsion spring draw-in groove (46) of moving contact rack (22).
3. energy storage type high breaking miniature circuit breaker as claimed in claim 2, it is characterized in that: moving contact rack (22) is located at outside the moving contact (25) and with its elasticity and is connected, support torsion spring (24) two ends are stuck in the torsion spring draw-in groove (45) of moving contact rack (22) and moving contact (25), the axle (23) that plays interconnect function inserts the axis hole of moving contact (25), support torsion spring (24), lever (21) successively, and the positioning cylinder (44) on the lever (21) is inserted among the axis hole B (50) of base (2).
4. energy storage type high breaking miniature circuit breaker as claimed in claim 3, it is characterized in that: the operating mechanism that is driven by handle (15) comprises the U-shaped bar (17) that connects handle (15) and lever (21), the handle spring (14) that is used for reseting handle (15), the latch spring (16) that is used for reset lock (12), tripping axle (18) is inserted among the axis hole C (48) on the base (2), tripping (20) is enclosed within on the tripping axle (18), moving contact rack (22) places in the open slot of tripping (20), snap close axle (13) is inserted among the axis hole D (47) on the base (2), and snap close (12) is enclosed within on the snap close axle (13); Arc quenching system is made up of arc separating wall (34), run-on tab (36), arc-extinguish chamber (37); The instantaneous trip system is made up of moving iron core (33), static iron core (9), coil (35), coil rack (10), yoke (8); Hot tripping system is made up of bimetal leaf (6), two golden adjusting nut (7); A (4) two ends that are flexible coupling are connected with terminal block (5), bimetal leaf (6) respectively, B (11) two ends that are flexible coupling are connected with bimetal leaf (6), coil (35) respectively, C (32) two ends that are flexible coupling are connected with coil (35), moving contact (25) respectively, snap close (12) lower end afterbody and static iron core offset, and the end face of tripping (20) is pressed on snap close (12) lower middle position.
5. as claim 1 or 2 or 3 or 4 described energy storage type high breaking miniature circuit breakers, it is characterized in that: the left and right sides face that the bottom surface of base (2) is provided with buckle (1), base (2) is respectively equipped with the binding post (3) of being with terminal block (5), and the end face of base (2) is provided with translucent cover (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201362086U CN201298519Y (en) | 2008-09-17 | 2008-09-17 | Energy storage high-breaking miniature breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201362086U CN201298519Y (en) | 2008-09-17 | 2008-09-17 | Energy storage high-breaking miniature breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298519Y true CN201298519Y (en) | 2009-08-26 |
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ID=41044505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201362086U Expired - Lifetime CN201298519Y (en) | 2008-09-17 | 2008-09-17 | Energy storage high-breaking miniature breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298519Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777462A (en) * | 2010-02-10 | 2010-07-14 | 湖北盛佳电器设备有限公司 | Circuit breaker with mechanical overheating protection function |
| CN101986413A (en) * | 2010-11-11 | 2011-03-16 | 江苏辉能电气有限公司 | Moving contact clamping mechanism for molded case low-voltage breaker |
| CN103140911A (en) * | 2010-09-21 | 2013-06-05 | 松下电器产业株式会社 | Circuit breaker |
| CN107393772A (en) * | 2017-08-30 | 2017-11-24 | 黄银坤 | A kind of breaker |
| CN117524757A (en) * | 2024-01-05 | 2024-02-06 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
-
2008
- 2008-09-17 CN CNU2008201362086U patent/CN201298519Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777462A (en) * | 2010-02-10 | 2010-07-14 | 湖北盛佳电器设备有限公司 | Circuit breaker with mechanical overheating protection function |
| CN101777462B (en) * | 2010-02-10 | 2013-08-21 | 湖北盛佳电器设备有限公司 | Circuit breaker with mechanical overheating protection function |
| CN103140911A (en) * | 2010-09-21 | 2013-06-05 | 松下电器产业株式会社 | Circuit breaker |
| CN103140911B (en) * | 2010-09-21 | 2015-10-14 | 松下电器产业株式会社 | Circuit breaker |
| CN101986413A (en) * | 2010-11-11 | 2011-03-16 | 江苏辉能电气有限公司 | Moving contact clamping mechanism for molded case low-voltage breaker |
| CN107393772A (en) * | 2017-08-30 | 2017-11-24 | 黄银坤 | A kind of breaker |
| CN117524757A (en) * | 2024-01-05 | 2024-02-06 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
| CN117524757B (en) * | 2024-01-05 | 2024-05-17 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WENZHOU AOLAI ELECTRIC CO., LTD. Free format text: FORMER OWNER: QINGTIAN AOLAI ELECTRONICS CO., LTD. Effective date: 20110412 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 323905 CHIYAN VILLAGE, CHUANLIAO TOWN, QINGTIAN COUNTY, ZHEJIANG PROVINCE TO: 325604 NO. 7, ZHENXING ROAD, XINGUANG INDUSTRIAL AREA, LIUSHI TOWN, YUEQING CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110412 Address after: 325604, Zhenxing Road, Xinguang Industrial Zone, Liushi Town, Zhejiang, Yueqing, 7 Patentee after: Wenzhou Aolai Electric Co., Ltd. Address before: 323905, Zhejiang County, Qingtian province boat town red rock village Patentee before: Qingtian Aolai Electronics Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |
|
| CX01 | Expiry of patent term |