CN101877293B - Position indicating switch - Google Patents
Position indicating switch Download PDFInfo
- Publication number
- CN101877293B CN101877293B CN200910137275.9A CN200910137275A CN101877293B CN 101877293 B CN101877293 B CN 101877293B CN 200910137275 A CN200910137275 A CN 200910137275A CN 101877293 B CN101877293 B CN 101877293B
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- CN
- China
- Prior art keywords
- sliding part
- housing
- switch
- position indicating
- spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A position indicating switch is composed of shells (1 and 8), a slider (12), a spring (6) and six microswitches. One end of a lead (9) is connected with the microswitches fixed in the shells (1 and 8) while the other end thereof extends out of the shells (1 and 8); the slider (12) can slide along a track in the shell (8), and a part of the slider (12) penetrates through an opening (15) on the shell (1) to extend out of the shells (1 and 8); one end part of the spring (6) contacts with one end part of the slider (12); the slider can contact with a contact terminal of the microswitch at a specific position; and the six microswitch are arranged on one plane, wherein each pair of the three pairs of microswitches (7) corresponding to three working positions are arranged symmetrically along the axle of the spring.
Description
Technical field
The present invention relates to a kind of position indicating switch, relate in particular to a kind of position indicating switch for withdrawable circuit breaker.
Background technology
Withdrawable circuit breaker comprises three service positions, i.e. open position, test position, and link position.In practice, conventionally residing position display out and/or by the signal of reflection present position need to be transferred to other device and process.General use location indicator cock is indicated the service position of withdrawable circuit breaker.Although passed through long-term development, existing position indicating switch reliability is not high, Installation and Debugging are inconvenient, interchangeability is poor.
Summary of the invention
The object of the present invention is to provide a kind of position indicating switch, particularly a kind of position indicating switch for withdrawable circuit breaker.This position indicating switch compact conformation, reliability is high, Installation and Debugging are convenient and swift, has very strong interchangeability, and has greatly realized modularization.
According to one aspect of the present invention, described position indicating switch comprises housing, sliding part, spring, and sensitive switch.Described sliding part can slide along the track in described housing, and a part for described sliding part is stretched out outside described housing through the opening on described housing.When withdrawable circuit breaker is worked, that part of stretching out the described sliding part outside described housing be subject to breaker body power effect and slide, and at the contact of corresponding position and described sensitive switch.One end of wire is connected to the sensitive switch in housing, and the other end stretches out outside housing.An end of described spring contacts an end of described sliding part, after the effect disappearance with the power at breaker body, sliding part is resetted.Described sensitive switch is six sensitive switches that are arranged in a plane, and wherein every a pair of in three pairs of sensitive switches corresponding with three service positions is all arranged symmetrically with about the axis of described spring respectively.Each service position in described three service positions, described sliding part triggers the contact of sensitive switch described at least one in corresponding a pair of sensitive switch.By the slideway in described hull outside, described position indicating switch can assembling after not by instrument be fixed in withdrawable circuit breaker, thereby can conveniently complete installation.
Described track is the groove that is formed on described housing inner side more on the one hand according to of the present invention, and preferred described housing forms one with described groove employing injection moulding mode.
According to another aspect of the present invention, described track is the bar being fixed in described housing.Described sliding part and described spring housing are on described bar, and described sliding part can slide along described bar.Described at least one, the end of sliding part contacts an end of described spring.
According to another aspect of the present invention, those ends that described wire stretches out outside described housing extend along the outside of described housing, and are connected to the binding post (not shown) that is fixed on described hull outside.
According to another aspect of the present invention, those ends that described wire stretches out outside described housing form a plug, and described plug inserts in circuit breaker in the socket matching with described plug.
According to another aspect of the present invention, the outside of described housing comprises two slideways, and these two slideways become a small angle, to utilize the principle of small-angle self-locking, not by instrument position indicator is fixed in circuit breaker.
The invention has the advantages that, because described sensitive switch is all arranged in a plane, therefore reduced to greatest extent the size of position indicating switch in the vertical direction of plane of having arranged described sensitive switch, and owing to becoming the existence of the slideway of minute angle on described housing, therefore position indicating switch can be not by instrument be fixed in circuit breaker, thereby the in the situation that of being subject to certain limitation in circuit breaker inner space, can easier position indicating switch be arranged in withdrawable circuit breaker.Because the parts such as the wire of position indicating switch, sensitive switch, sliding part, spring are all as far as possible closely attached to described housing, make position indicating switch of the present invention greatly realize modularization, thereby make the Installation and Debugging of position indicating switch convenient and swift, and realized good interchangeability.Meanwhile, because the present invention has two sensitive switches in each service position of circuit breaker, even the therefore triggering failure of sliding part to one of them sensitive switch, the sensitive switch of opposite side can be triggered conventionally.This has overcome to a great extent because of long-term and has used the sliding part that causes and the loose contact between the contact of sensitive switch, and the possibility of failing to report is reduced greatly, thereby it is high to have improved the reliability of described position switch.
Accompanying drawing explanation
In conjunction with the following drawings, the features and advantages of the present invention will become clearer.Wherein:
Fig. 1 has shown the position indicating switch after removal case lid 1;
Fig. 2 has shown the outside of case lid 1;
Fig. 3 a has shown the sliding part 12 after assembling;
Fig. 3 b has shown the sliding part 12 of decomposing state;
Fig. 4 a has shown the inner side of the casing base 8 of removing after various parts;
Fig. 4 b has shown the inner side of case lid 1.
Embodiment
Fig. 1 has shown the position indicating switch according to one embodiment of the present invention, has wherein removed case lid 1, and has shown sliding part 12, spring 6, the complex root wire 9 being arranged on casing base 8, and six sensitive switches 7.These wires 9, one end is connected to sensitive switch 7, and the other end arrives the outside of casing base 8 through the several holes on casing base 8, and extend along the outside of casing base 8, and be connected to the binding post (not shown) of the lateral surface 11 that is fixed on casing base 8.It will be understood by those skilled in the art that with conventional position indicating switch and compare, a kind of like this design will greatly realize the modularization of position indicating switch, makes position indicating switch of the present invention very compact.The inner side of casing base 8 has 12 alignment pins as shown in Fig. 4 a, six sensitive switches 7 is fixed in housing together with 12 alignment pins of these alignment pins and case lid 1 inner side shown in Fig. 4 b.The end that sliding part 12 is entangled in an end of the spring 6 schematically showing.Sliding part 12 can slide along the groove 14 of casing base 8 inner sides.Another end of spring 6 is fixed in case lid 1 and the formed hole of casing base 8 after assembling.It is dual spacing that a kind of like this design obtains spring 6 within it on external diameter, thereby improved stability and the reliability of spring 6 work.By six screws along the edge of case lid 1 screw in case lid 1 and casing base 8 by screw 10, can finally form position indicating switch device of the present invention.
Fig. 2 has shown the outside of case lid 1.Case lid 1 forms the housing of position indicating switch together with casing base 8, and case lid 1 has in outside preferably and two slideways 16 of case lid 1 shape all-in-one-piece.Two slideways 16 are arranged symmetrically and have a very little angle a, and having respectively the groove matching with the slideway (not shown) of Shell of circuit breaker inside.The plane at two slideway 16 places is parallel with the primary flat of described case lid 1.When the direction pointed of the summit along angle a is inserted in circuit breaker by position indicating switch, angle a can make position indicating switch be self-locking in circuit breaker, thus can be not by instrument mount and dismount position indicating switch.
Fig. 3 a and 3b have shown respectively the sliding part 12 under assembling and decomposing state.Sliding part 12 comprises two rivets 2, two pads 3, slide block 4, two spring leafs 5, and by relative position as shown in Figure 3 b by these assembling parts together.An end of sliding part 12 is crosswise plug.This crosswise plug inserts in an end of spring 6.A part 13 for slide block 4 is stretched out outside the opening 15 of case lid 1.Another part of the slide block 4 relative with a part 13 for slide block 4 is inserted in the groove 14 of casing base 8 inner sides, so that sliding part 12 can move along the axial direction of spring 6.When sliding part 12 arrives the position of contact of sensitive switches 7, two spring leafs 5 trigger respectively in a pair of sensitive switch 7, even if one of them spring leaf 5 triggers unsuccessfully, so generally another spring leaf 5 will trigger successfully.This has improved the reliability and stability of position indicating switch to a great extent.
During withdrawable circuit breaker work, the left side of breaker body from Fig. 2 promotes part 13 motions outside case lid 1 of stretching out of slide block 4.When sliding part 12 moves to behind the position of contact of corresponding sensitive switch 7, the spring leaf 5 of sliding part 12 will trigger contact, and now sensitive switch 7 will send corresponding signal.Described signal will be sent to binding post by wire 9, then will be sent to the display unit on circuit breaker panel and/or is sent to other signal processing apparatus by other wire being connected with binding post.
In an execution mode more of the present invention, the bar that can be fixed in housing as the groove 14 of track replaces.In this case, described sliding part and described spring are all enclosed within on described bar, and described sliding part slides along described bar.
In another embodiment of the present invention, wire 9 is not connected to the binding post that is fixed on casing base 8 lateral surfaces 11, but converges to together and form a plug.This plug can insert in the socket that is arranged in circuit breaker, matches with this plug, to set up to be electrically connected, fetches transmission of signal.
Although more than shown embodiments of the present invention, described execution mode is not intended to show all possible form of the present invention.In addition, the content in this specification is descriptive, and nonrestrictive.Those skilled in the art can make variations and modifications to the content of this specification, and do not depart from the scope of purport of the present invention and claim.
Claims (4)
1. a position indicating switch, comprising: housing (1,8), sliding part (12), spring (6), and sensitive switch; One end of wire (9) is connected to the described sensitive switch being fixed in described housing (1,8), and the other end of described wire (9) stretches out outside described housing (1,8); Described sliding part (12) can slide along the track in described housing (8), and a part (13) for described sliding part (12) is stretched out outside described housing (1,8) through the opening (15) on described housing (1); An end of described spring (6) contacts an end of described sliding part (12); Described sliding part (12) can be in sliding process and the contact of described sensitive switch;
It is characterized in that:
Described track is the groove (14) of described housing (8) inner side, and another end of described spring (6) is fixed in the formed hole of described housing (1,8),
Described sensitive switch is six sensitive switches (7) that are arranged in a plane; Described six sensitive switches (7) are divided into respectively and three three pairs of sensitive switches (7) that service position is corresponding, and wherein every a pair of is all arranged symmetrically with about the axis of described spring (6); Each service position in described three service positions, described sliding part (12) triggers the contact of sensitive switch (7) described at least one in corresponding a pair of sensitive switch (7).
2. position indicating switch as claimed in claim 1, it is characterized in that: described wire (9) stretches out those outer ends of described housing (1,8) and extends along the outside of described housing (8), and is connected to the binding post that is fixed on described housing (8) outside.
3. position indicating switch as claimed in claim 1, is characterized in that: described wire (9) stretches out those outer ends of described housing (1,8) and forms a plug, and described plug inserts in the socket matching with described plug in circuit breaker.
4. position indicating switch as claimed in claim 1, it is characterized in that: the outside of described housing (1) comprises two slideways (16), these two slideways (16) are positioned on the same lateral surface of described position indicating switch, and form a small angle (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910137275.9A CN101877293B (en) | 2009-04-30 | 2009-04-30 | Position indicating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910137275.9A CN101877293B (en) | 2009-04-30 | 2009-04-30 | Position indicating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101877293A CN101877293A (en) | 2010-11-03 |
| CN101877293B true CN101877293B (en) | 2014-04-02 |
Family
ID=43019818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910137275.9A Expired - Fee Related CN101877293B (en) | 2009-04-30 | 2009-04-30 | Position indicating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101877293B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339692A (en) * | 2011-07-27 | 2012-02-01 | 杭州之江开关股份有限公司 | Three-position electric indicating device of drawout breaker |
| CN105097323B (en) * | 2015-09-24 | 2017-11-14 | 厦门宏发开关设备有限公司 | A kind of electric instruction device in position of breaker three |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773646A (en) * | 2005-10-28 | 2006-05-17 | 常熟开关制造有限公司(原常熟开关厂） | Position state signal collecting and transmitting apparatus |
| CN2840426Y (en) * | 2005-10-25 | 2006-11-22 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker three-position state signal collecting transmitting device |
| CN201084656Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | An auxiliary alarm switch used in double-break plastic-housing breakers |
| CN201178074Y (en) * | 2008-04-03 | 2009-01-07 | 常熟开关制造有限公司(原常熟开关厂） | Status signal outputting unit of starter |
-
2009
- 2009-04-30 CN CN200910137275.9A patent/CN101877293B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840426Y (en) * | 2005-10-25 | 2006-11-22 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker three-position state signal collecting transmitting device |
| CN1773646A (en) * | 2005-10-28 | 2006-05-17 | 常熟开关制造有限公司(原常熟开关厂） | Position state signal collecting and transmitting apparatus |
| CN201084656Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | An auxiliary alarm switch used in double-break plastic-housing breakers |
| CN201178074Y (en) * | 2008-04-03 | 2009-01-07 | 常熟开关制造有限公司(原常熟开关厂） | Status signal outputting unit of starter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101877293A (en) | 2010-11-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20170430 |