CN104157475B - For automatic closing transmission mechanism and the miniature circuit breaker of miniature circuit breaker - Google Patents
For automatic closing transmission mechanism and the miniature circuit breaker of miniature circuit breaker Download PDFInfo
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- CN104157475B CN104157475B CN201410302891.6A CN201410302891A CN104157475B CN 104157475 B CN104157475 B CN 104157475B CN 201410302891 A CN201410302891 A CN 201410302891A CN 104157475 B CN104157475 B CN 104157475B
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- transmission mechanism
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- circuit breaker
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Abstract
The present invention relates to a kind of automatic closing transmission mechanism for miniature circuit breaker and miniature circuit breaker, automatic closing transmission mechanism comprises transmission mechanism and Handleset, described transmission mechanism and Handleset formation are linked, described transmission mechanism drives Handleset to carry out closing operation, described transmission mechanism comprises motor and double cam, described motor coordinates with double cam transmission, described double cam has the primary importance coordinated with Handleset one-level engaged transmission and the second place coordinated with Handleset secondary engaged transmission, miniature circuit breaker comprises above-mentioned automatic closing transmission mechanism, designed by two-jawed, classification power transmission, larger power is realized with less space, be enough to the function realizing automatic closing, because volume is little, and may be used in miniature circuit breaker, miniature circuit breaker is enable to realize the function of automatic closing, meet the requirement of country about intelligent grid intelligent city.
Description
Technical field
The present invention relates to a kind of device for switching automatic switching-on device, be specifically related to a kind of automatic closing transmission mechanism for miniature circuit breaker and apply the miniature circuit breaker of this mechanism.
Background technology
Switch switchgear for power department, be guarantee Electrical Safety, carry out the requisite equipment of circuit switching, along with the proposition that country requires intelligent grid intelligent city, impel the intelligentized development of low-voltage electrical apparatus, especially in the development of the functions such as automatic closing, Autonomous test, communication.
And miniature circuit breaker due to its shell intracorporeal space less, therefore the more difficult function realizing automatic closing, country cannot be met to the requirement of intelligent grid intelligent city, therefore be badly in need of a kind of automatic closing transmission mechanism for miniature circuit breaker of exploitation, to promote the development of intelligent grid intelligent city.
Summary of the invention
For the shortcoming and defect that prior art exists, the invention provides a kind of automatic closing mechanism for miniature circuit breaker, this organization volume is little, can well be applied in miniature circuit breaker.
The technical solution adopted in the present invention is: a kind of automatic closing transmission mechanism for miniature circuit breaker, it comprises transmission mechanism and Handleset, described transmission mechanism and Handleset formation are linked, described transmission mechanism drives Handleset to carry out closing operation, described transmission mechanism comprises motor and double cam, described motor coordinates with double cam linkage, and described double cam has the primary importance coordinated with Handleset one-level engaged transmission and the second place coordinated with Handleset secondary engaged transmission.
Described double cam higher slice is provided with the first convex surface and the second convex surface, described Handleset comprises STATEMENT OF FEDERALLY SPONSORED and is fixed on the handle in STATEMENT OF FEDERALLY SPONSORED, described STATEMENT OF FEDERALLY SPONSORED is provided with first double wedge suitable with the first convex surface and second double wedge suitable with the second convex surface, described double cam and Handleset form stepped transmission and coordinate, described first convex surface and the first double wedge form first order engaged transmission and coordinate, described second convex surface and the second double wedge form second level engaged transmission and coordinate, and one-level engaged transmission coordinates with secondary engaged transmission and realizes closing operation.
Described first convex surface is provided with fan-shaped table top, described fan-shaped table top clockwise direction one end is provided with boss, described first double wedge comprises linkage portion, and described linkage portion is provided with the groove suitable with the boss of the first convex surface, and described boss and groove form first order engaged transmission and coordinate.
The top of described second double wedge is inclined-plane, and described second boss intermediate recess forms interlock groove, and described interlock groove and the second double wedge form second level engaged transmission and coordinate.
Described first convex surface and the second convex surface are in two horizontal planes, and described first double wedge and the second double wedge are in two horizontal planes.
Described boss top is fillet.
Top two chamfer of described second double wedge.
Described motor is micromachine.
The present invention is coordinated with the two-stage engaged transmission of Handleset by double cam, classification power transmission, realizes the operation large with small band in less space, realizes breaker switching-on operation.
The invention also discloses a kind of miniature circuit breaker comprising above-mentioned arbitrary automatic closing transmission mechanism, it comprises breaker body, automatic closing transmission mechanism and switching-on mechanism are set in described breaker body, described automatic closing transmission mechanism comprises transmission mechanism and Handleset, described transmission mechanism and Handleset formation are linked, described Handleset is connected with switching-on mechanism by handle and connecting rod, described transmission mechanism drives Handleset to carry out closing operation, described transmission mechanism comprises motor and double cam, described motor coordinates with double cam transmission, described double cam has the primary importance coordinated with Handleset one-level engaged transmission and the second place coordinated with Handleset secondary engaged transmission.
Described double cam higher slice is provided with the first convex surface and the second convex surface, described Handleset comprises STATEMENT OF FEDERALLY SPONSORED and is fixed on the handle in STATEMENT OF FEDERALLY SPONSORED, described STATEMENT OF FEDERALLY SPONSORED is provided with first double wedge suitable with the first convex surface and second double wedge suitable with the second convex surface, described double cam and Handleset form stepped transmission and coordinate, described first convex surface and the first double wedge form first order engaged transmission and coordinate, described second convex surface and the second double wedge form second level engaged transmission and coordinate, and one-level engaged transmission coordinates with secondary engaged transmission and realizes closing operation.
The invention has the beneficial effects as follows: designed by two-jawed, classification power transmission, larger power is realized with less space, be enough to the function realizing automatic closing, because volume is little, and may be used in miniature circuit breaker, enable miniature circuit breaker realize the function of automatic closing, meet the requirement of country about intelligent grid intelligent city.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is two-jawed schematic perspective view.
Fig. 3 is two-jawed floor map.
Fig. 4 is the schematic perspective view of STATEMENT OF FEDERALLY SPONSORED.
Fig. 5 is the floor map of STATEMENT OF FEDERALLY SPONSORED.
Fig. 6 is the schematic diagram of the primary importance of double cam and Handleset.
Fig. 7 is the schematic diagram of the second place of double cam and STATEMENT OF FEDERALLY SPONSORED.
Fig. 8 is the structural representation of miniature circuit breaker.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated:
As shown in Figure 1, the invention discloses a kind of automatic closing transmission mechanism for miniature circuit breaker, it comprises transmission mechanism and Handleset, described transmission mechanism and Handleset formation are linked, described transmission mechanism drives Handleset to carry out closing operation, described transmission mechanism comprises motor 1 and double cam 2, described motor 1 is linked with double cam 2, and described double cam 2 has the primary importance (as shown in Figure 6) coordinated with Handleset one-level engaged transmission and the second place (as shown in Figure 7) coordinated with Handleset secondary engaged transmission.
As shown in Figures 2 and 3, described double cam 2 higher slice is provided with the first convex surface 21 and the second convex surface 22, as shown in Figure 4 and Figure 5, described Handleset comprises STATEMENT OF FEDERALLY SPONSORED 3 and is fixed on the handle 4 in STATEMENT OF FEDERALLY SPONSORED 3, described STATEMENT OF FEDERALLY SPONSORED 3 is provided with first double wedge 31 suitable with the first convex surface 21 and second double wedge 32 suitable with the second convex surface 22, described double cam 2 and Handleset form stepped transmission and coordinate, described first convex surface 21 forms first order engaged transmission with the first double wedge 31 and coordinates, described second convex surface 22 forms second level engaged transmission with the second double wedge 32 and coordinates, one-level engaged transmission coordinates with secondary engaged transmission and realizes closing operation.
As shown in Figure 3, described first convex surface 21 is provided with fan-shaped table top 211, described fan-shaped table top 211 clockwise direction one end is provided with boss 212, described first double wedge 31 comprises linkage portion 311, described linkage portion 311 is provided with the groove 312 suitable with the boss 212 of the first convex surface 21, and described boss 212 and groove 312 form first order engaged transmission and coordinate.
The top of described second double wedge 32 is inclined-plane, and described second boss 22 intermediate recess forms interlock groove 221, and described interlock groove 221 forms second level engaged transmission with the second double wedge 32 and coordinates.Described boss 212 top is fillet.Top two chamfer of described second double wedge 32.Described motor 1 is micromachine.
As shown in Figure 6, driven by motor double cam is moved, two-jawed first convex surface is just against in the groove of the first double wedge of STATEMENT OF FEDERALLY SPONSORED, realize engaged transmission, along with motor continues motion, first convex surface clockwise direction presses down, STATEMENT OF FEDERALLY SPONSORED is rotated counterclockwise, and therefore the first convex surface no longer engages with the first double wedge, now, as shown in Figure 7, two-jawed second convex surface clockwise movement, and the second double wedge counterclockwise movement of STATEMENT OF FEDERALLY SPONSORED, then the second double wedge engages with the interlock groove of the second convex surface, thus continue to drive STATEMENT OF FEDERALLY SPONSORED counterclockwise movement, realize the operation of closing a floodgate completely.
After Handleset closes a floodgate completely, Handleset is stuck, now motor is rotated further initial position, namely two-jawed first convex surface and the second convex surface all no longer engage with Handleset, and away from, interference is there will not be when Handleset turns clockwise, now, if there is short circuit, when needing tripping operation, then the STATEMENT OF FEDERALLY SPONSORED of Handleset can not contact with double cam, ensure that double cam is after delivering to the position of closing a floodgate completely by Handleset, tripping operation can not be interfered because of two-jawed, and the Handleset made by double cam to blocking, thus cause tripping.
In the present invention, when motor 1 drives double cam 2 to rotate, in double cam 2, the first convex surface 21 first engages with the first double wedge 31 of STATEMENT OF FEDERALLY SPONSORED 3, namely the first convex surface 21 withstands in the groove 312 of formation on the first double wedge 31, the first convex surface 21 is made to drive STATEMENT OF FEDERALLY SPONSORED 3 to carry out closing operation, and the elastic force overcoming spring along with STATEMENT OF FEDERALLY SPONSORED 3 is when realizing closing operation, when running to certain position, first convex surface 21 gradually with the first double wedge 31 away from, at this moment, the second convex surface 22 in double cam 2 starts to engage with the second double wedge 32 of STATEMENT OF FEDERALLY SPONSORED 3, the elastic force continuing to make STATEMENT OF FEDERALLY SPONSORED 3 overcome spring realizes closing a floodgate, and when the double cam that both all make drives STATEMENT OF FEDERALLY SPONSORED 3 to overcome elastic force combined floodgate, its power is maximum, just overcome the spring force the strongest stage, ensure that combined floodgate can continue operation, and when the second double wedge 32 engages with the interlock groove 221 of the second convex surface 22, first double wedge 31 is away from the first convex surface 21, can not interfere the secondary engaged transmission of the second convex surface 22 and the second double wedge 32, therefore two-jawed two-stage classification engaged transmission coordinates, can realize in less space, STATEMENT OF FEDERALLY SPONSORED is driven to realize closing operation, make its range of application wider, coordinated with the two-stage engaged transmission of Handleset by double cam, classification power transmission, realize the operation large with small band in less space, realize breaker switching-on operation.
As shown in Figure 2 and Figure 4, described first convex surface 21 and the second convex surface 22 are in two horizontal planes, and described first double wedge 31 and the second double wedge 32 are in two horizontal planes.Two-stage engaged transmission coordinated and be divided into two faces, non-interference, classification realizes transmission and coordinates, and realizes closing operation preferably.
As shown in Figure 8, the invention also discloses a kind of miniature circuit breaker comprising above-mentioned automatic closing transmission mechanism, it comprises breaker body, automatic closing transmission mechanism and switching-on mechanism are set in described breaker body, described automatic closing transmission mechanism comprises transmission mechanism and Handleset, described transmission mechanism and Handleset formation are linked, described Handleset is connected with switching-on mechanism by handle and connecting rod 5, described transmission mechanism drives Handleset to carry out closing operation, described transmission mechanism comprises motor 1 and double cam 2, described motor 1 coordinates with double cam 2 transmission, described double cam 2 has the primary importance coordinated with Handleset one-level engaged transmission and the second place coordinated with Handleset secondary engaged transmission.
Described double cam 2 higher slice is provided with the first convex surface 21 and the second convex surface 22, described Handleset comprises STATEMENT OF FEDERALLY SPONSORED 3 and is fixed on the handle 4 in STATEMENT OF FEDERALLY SPONSORED 3, described STATEMENT OF FEDERALLY SPONSORED 3 is provided with first double wedge 31 suitable with the first convex surface 21 and second double wedge 32 suitable with the second convex surface 22, described double cam 2 and Handleset form stepped transmission and coordinate, described first convex surface 21 forms first order engaged transmission with the first double wedge 31 and coordinates, described second convex surface 22 forms second level engaged transmission with the second double wedge 32 and coordinates, one-level engaged transmission coordinates with secondary engaged transmission and realizes closing operation.
Designed by two-jawed, classification power transmission, realize larger power with less space, be enough to the function realizing automatic closing, because volume is little, and may be used in miniature circuit breaker, enable miniature circuit breaker realize the function of automatic closing, meet the requirement of country about intelligent grid intelligent city.
Embodiment should not be considered as limitation of the present invention, but any improvement done based on spirit of the present invention, all should within protection scope of the present invention.
Claims (7)
1. the automatic closing transmission mechanism for miniature circuit breaker, it comprises transmission mechanism and Handleset, described transmission mechanism and Handleset formation are linked, described transmission mechanism drives Handleset to carry out closing operation, it is characterized in that: described transmission mechanism comprises motor (1) and double cam (2), described motor (1) and double cam (2) are linked, described double cam (2) has the primary importance coordinated with Handleset one-level engaged transmission and the second place coordinated with Handleset secondary engaged transmission, described double cam (2) higher slice is provided with the first convex surface (21) and the second convex surface (22), described Handleset comprises STATEMENT OF FEDERALLY SPONSORED (3) and is fixed on the handle (4) in STATEMENT OF FEDERALLY SPONSORED (3), described STATEMENT OF FEDERALLY SPONSORED (3) is provided with first double wedge (31) suitable with the first convex surface (21) and second double wedge (32) suitable with the second convex surface (22), described double cam (2) and Handleset form stepped transmission and coordinate, described first convex surface (21) forms first order engaged transmission with the first double wedge (31) and coordinates, described second convex surface (22) forms second level engaged transmission with the second double wedge (32) and coordinates, one-level engaged transmission coordinates with secondary engaged transmission and realizes closing operation.
2. the automatic closing transmission mechanism for miniature circuit breaker according to claim 1, it is characterized in that, described first convex surface (21) is provided with fan-shaped table top (211), described fan-shaped table top (211) clockwise direction one end is provided with boss (212), described first double wedge (31) comprises linkage portion (311), described linkage portion (311) is provided with the groove (312) suitable with the boss of the first convex surface (21) (212), and described boss (212) forms first order engaged transmission with groove (312) and coordinates.
3. the automatic closing transmission mechanism for miniature circuit breaker according to claim 1, it is characterized in that, the top of described second double wedge (32) is inclined-plane, described second boss (22) intermediate recess forms interlock groove (221), and described interlock groove (221) forms second level engaged transmission with the second double wedge (32) and coordinates.
4. the automatic closing transmission mechanism for miniature circuit breaker according to Claims 2 or 3, it is characterized in that, described first convex surface (21) and the second convex surface (22) are in two horizontal planes, and described first double wedge (31) and the second double wedge (32) are in two horizontal planes.
5. the automatic closing transmission mechanism for miniature circuit breaker according to claim 2, is characterized in that, described boss (212) top is fillet.
6. the automatic closing transmission mechanism for miniature circuit breaker according to claim 3, is characterized in that, top two chamfer of described second double wedge (32).
7. one kind comprises the miniature circuit breaker of the automatic closing transmission mechanism described in above arbitrary claim, it comprises breaker body, it is characterized in that: automatic closing transmission mechanism and switching-on mechanism are set in described breaker body, described automatic closing transmission mechanism comprises transmission mechanism and Handleset, described transmission mechanism and Handleset formation are linked, described Handleset is connected with switching-on mechanism by handle and connecting rod (5), described transmission mechanism drives Handleset to carry out closing operation, described transmission mechanism comprises motor (1) and double cam (2), described motor (1) coordinates with double cam (2) transmission, described double cam (2) has the primary importance coordinated with Handleset one-level engaged transmission and the second place coordinated with Handleset secondary engaged transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302891.6A CN104157475B (en) | 2014-06-30 | 2014-06-30 | For automatic closing transmission mechanism and the miniature circuit breaker of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302891.6A CN104157475B (en) | 2014-06-30 | 2014-06-30 | For automatic closing transmission mechanism and the miniature circuit breaker of miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104157475A CN104157475A (en) | 2014-11-19 |
| CN104157475B true CN104157475B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410302891.6A Active CN104157475B (en) | 2014-06-30 | 2014-06-30 | For automatic closing transmission mechanism and the miniature circuit breaker of miniature circuit breaker |
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| CN (1) | CN104157475B (en) |
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| EP1441376A1 (en) * | 2003-01-22 | 2004-07-28 | Bticino S.P.A. | Electrical apparatus with remote-controlled switch |
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| CN103811202A (en) * | 2014-03-05 | 2014-05-21 | 上海方同电气科技发展有限公司 | Cam switch-on/off mechanism for switching device |
| CN103811236A (en) * | 2014-02-18 | 2014-05-21 | 华威博奥电力设备有限公司 | Miniature circuit breaker |
| CN203931866U (en) * | 2014-06-30 | 2014-11-05 | 浙江天正智能电器有限公司 | Automatic closing transmission mechanism and miniature circuit breaker for miniature circuit breaker |
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2014
- 2014-06-30 CN CN201410302891.6A patent/CN104157475B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1441376A1 (en) * | 2003-01-22 | 2004-07-28 | Bticino S.P.A. | Electrical apparatus with remote-controlled switch |
| CN102290298A (en) * | 2011-08-12 | 2011-12-21 | 苏州未来电器有限公司 | Transmission mechanism of electric operation mechanism for miniature breaker |
| CN202905633U (en) * | 2012-11-13 | 2013-04-24 | 浙江洛凯电气有限公司 | Miniature intelligent reclosing protection circuit breaker |
| CN203013556U (en) * | 2013-01-09 | 2013-06-19 | 浙江天正电气股份有限公司 | Breaker with cam type energy storage handle mechanism |
| CN203481072U (en) * | 2013-08-02 | 2014-03-12 | 乐清市华尊电气有限公司 | A micro plastic switch |
| CN103811236A (en) * | 2014-02-18 | 2014-05-21 | 华威博奥电力设备有限公司 | Miniature circuit breaker |
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| CN104157475A (en) | 2014-11-19 |
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