CN101877293A - Position indicating switch - Google Patents
Position indicating switch Download PDFInfo
- Publication number
- CN101877293A CN101877293A CN2009101372759A CN200910137275A CN101877293A CN 101877293 A CN101877293 A CN 101877293A CN 2009101372759 A CN2009101372759 A CN 2009101372759A CN 200910137275 A CN200910137275 A CN 200910137275A CN 101877293 A CN101877293 A CN 101877293A
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- Prior art keywords
- housing
- position indicating
- sliding part
- switch
- indicating switch
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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 that is used for withdrawable circuit breaker.
Background technology
Withdrawable circuit breaker comprises three service positions, i.e. open position, test position, and link position.In the practice, residing position display need be come out usually and/or the signal that will reflect the present position is transferred to other device and handles.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 that is used for withdrawable circuit breaker.This position indicating switch compact conformation, reliability height, Installation and Debugging are convenient and swift, have very strong interchangeability, and have 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 the described housing, and the opening that the part of described sliding part is passed on the described housing stretches out outside the described housing.When withdrawable circuit breaker is worked, that part of stretching out the outer described sliding part of described housing be subjected to breaker body power effect and slide, and contact with the contact of described sensitive switch in corresponding position.One end of lead is connected to the sensitive switch in the housing, and the other end stretches out outside the housing.An end of described spring contacts an end of described sliding part, after disappearing with the effect in the power of breaker body sliding part is resetted.Described sensitive switch is six sensitive switches that are arranged in the plane, wherein respectively with three corresponding three pairs of sensitive switches in service position in each to all about the axis symmetric arrangement of described spring.Each service position in described three service positions, described sliding part triggers the contact of at least one the described sensitive switch in the corresponding a pair of sensitive switch.By the slideway on the described hull outside, described position indicating switch can be after assembling finishes not by instrument be fixed in the withdrawable circuit breaker, thereby can conveniently finish installation.
Described track is the groove that is formed on described housing inboard 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 that is fixed in the described housing.Described sliding part and described spring housing are on described bar, and described sliding part can slide along described bar.The end of at least one described sliding part contacts an end of described spring.
According to another aspect of the present invention, described lead stretches out those outer ends of described housing and extends along the outside of described housing, and is connected to the binding post (not shown) that is fixed on described hull outside.
According to another aspect of the present invention, described lead stretches out those outer ends of described housing and forms a plug, and described plug inserts in the circuit breaker in the socket that matches 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, by instrument ground position indicator are not fixed in the circuit breaker.
The invention has the advantages that, because described sensitive switch all is arranged in the plane, therefore reduced the size of position indicating switch on the vertical direction on the plane of having arranged described sensitive switch to greatest extent, and owing to become the existence of the slideway of minute angle on the described housing, therefore position indicating switch can be not by instrument be fixed in the circuit breaker, thereby be subjected in the circuit breaker inner space can easier position indicating switch being installed in the withdrawable circuit breaker under the situation of certain limitation.Because parts such as the lead of position indicating switch, sensitive switch, sliding part, spring all as far as possible closely are attached to described housing, make position indicating switch of the present invention greatly realize modularization, thereby make that the Installation and Debugging of position indicating switch are convenient and swift, and realized good interchangeability.Simultaneously, because the present invention has two sensitive switches in each service position of circuit breaker, even therefore sliding part is to the triggering failure of one of them sensitive switch, the sensitive switch of opposite side then can be triggered usually.This has overcome to a great extent because of the loose contact between the long-term contact that uses the sliding part that causes and sensitive switch, and the feasible possibility of failing to report reduces greatly, thereby has improved the reliability height of described position switch.
Description of drawings
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 the removal case lid 1;
Fig. 2 has shown the outside of case lid 1;
Fig. 3 a has shown the sliding part 12 after the assembling;
Fig. 3 b has shown the sliding part 12 of decomposing state;
Fig. 4 a has shown the inboard of removing the housing seat 8 behind the various parts;
Fig. 4 b has shown the inboard 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 lead 9 that is installed on the housing seat 8, and six sensitive switches 7.These lead 9, one ends are connected to sensitive switch 7, and the other end passes the outside of several holes arrival housing seats 8 on the housing seat 8, and extend along the outside of housing seat 8, and are connected to the binding post (not shown) of the lateral surface 11 that is fixed on housing seat 8.It will be understood by those skilled in the art that with the position indicating switch of routine and compare that a kind of like this design will greatly realize the modularization of position indicating switch, make position indicating switch of the present invention very compact.The inboard of housing seat 8 has 12 alignment pins shown in Fig. 4 a, and these alignment pins are fixed on six sensitive switches 7 in the housing with 12 alignment pins of case lid 1 inboard shown in Fig. 4 b.Schematically an end of sliding part 12 is entangled in an end of the spring 6 of Xian Shiing.Sliding part 12 can slide along the groove 14 of housing seat 8 inboards.Another end of spring 6 is fixed on by in the case lid 1 and housing seat 8 formed holes after the assembling.It is dual spacing that a kind of like this design makes that spring 6 obtains on the external diameter within it, thereby improved the stability and the reliability of spring 6 work.By six screws of screw 10 along the edge of case lid 1 are screwed in case lid 1 and the housing seat 8, can finally form position indicating switch device of the present invention.
Fig. 2 has shown the outside of case lid 1.Case lid 1 and housing seat 8 are formed the housing of position indicating switch together, and case lid 1 has two slideways 16 preferred and case lid 1 formation one in the outside.Two slideways 16 are arranged symmetrically and are had a very little angle a, and have the groove that matches with the slideway (not shown) of Shell of circuit breaker inside respectively.The plane at two slideway 16 places is parallel with the primary flat of described case lid 1.When the direction pointed along the summit of angle a inserted position indicating switch in the circuit breaker, angle a can make position indicating switch be self-locking in the circuit breaker, thereby can be not by instrument ground installation and removal position indicating switch.
Fig. 3 a and 3b have shown the sliding part 12 under assembling and the decomposing state respectively.Sliding part 12 comprises two rivets 2, two pads 3, slide block 4, two spring leafs 5, and by the relative position shown in Fig. 3 b these parts is fitted together.An end of sliding part 12 is the crosswise plug.This crosswise plug inserts in the end of spring 6.The part 13 of slide block 4 is stretched out outside the opening 15 of case lid 1.Another part of the slide block 4 relative with the part 13 of slide block 4 is inserted in the groove 14 of housing seat 8 inboards, so that sliding part 12 can move along the axial direction of spring 6.When sliding part 12 arrived the position of contact of sensitive switches 7, two spring leafs 5 triggered in a pair of sensitive switch 7 respectively, even one of them spring leaf 5 triggers failure, so generally another spring leaf 5 will trigger success.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 the part 13 of stretching out outside the case lid 1 of slide block 4 and moves.Move to the position of contact of corresponding sensitive switch 7 when sliding part 12 after, the spring leaf 5 of sliding part 12 will trigger contact, and sensitive switch 7 will send corresponding signal this moment.Described signal will be sent to binding post by lead 9, be sent to the display unit on the circuit breaker panel and/or will be sent to other signal processing apparatus by other lead that is connected with binding post again.
In an execution mode more of the present invention, the bar that can be fixed in the housing as the groove 14 of track replaces.In this case, described sliding part and described spring all are enclosed within on the described bar, and described sliding part slides along described bar.
In another embodiment of the present invention, lead 9 is not to be connected to the binding post that is fixed on housing seat 8 lateral surfaces 11, but converges to together and form a plug.This plug can insert and be arranged in the circuit breaker, with socket that this plug matches in, being electrically connected with foundation fetches the transmission signal.
Although more than showed 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 (6)
1. a position indicating switch comprises: housing (1,8), sliding part (12), spring (6), and sensitive switch; One end of lead (9) is connected to the described sensitive switch that is fixed in the described housing (1,8), and the other end of described lead (9) stretches out outside the described housing (1,8); Described sliding part (12) can slide along the track in the described housing (8), and the opening (15) that the part (13) of described sliding part (12) is passed on the described housing (1) stretches out outside the described housing (1,8); An end of described spring (6) contacts an end of described sliding part (12); Described sliding part (12) can contact with the contact of described sensitive switch in sliding process;
It is characterized in that:
Described sensitive switch is six sensitive switches (7) that are arranged in the plane; Described six sensitive switches (7) are divided into respectively and three corresponding three pairs of sensitive switches in service position (7), and wherein each is to all about the axis symmetric arrangement of described spring (6); Each service position in described three service positions, described sliding part (12) triggers the contact of at least one the described sensitive switch (7) in the corresponding a pair of sensitive switch (7).
2. position indicating switch as claimed in claim 1 is characterized in that: described track is for being formed on the inboard groove (14) of described housing (8).
3. position indicating switch as claimed in claim 1 is characterized in that: described track is the bar that is fixed in the described housing, and described sliding part and described spring housing are on described bar.
4. position indicating switch as claimed in claim 1 is characterized in that: described lead (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.
5. position indicating switch as claimed in claim 1 is characterized in that: described lead (9) stretches out those outer ends of described housing (1,8) and forms a plug, and described plug inserts in the socket that circuit breaker is interior with described plug matches.
6. position indicating switch as claimed in claim 1 is characterized in that: the outside of described housing (1) comprises two slideways (16), and these two slideways (16) are positioned on the same lateral surface of described position indicating switch, and forms 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 true CN101877293A (en) | 2010-11-03 |
| CN101877293B 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) |
Cited By (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 |
| CN105097323A (en) * | 2015-09-24 | 2015-11-25 | 厦门宏发开关设备有限公司 | Electric indicating device for three positions of circuit breaker |
Family Cites Families (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 |
| CN100359619C (en) * | 2005-10-28 | 2008-01-02 | 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 |
-
2009
- 2009-04-30 CN CN200910137275.9A patent/CN101877293B/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN105097323A (en) * | 2015-09-24 | 2015-11-25 | 厦门宏发开关设备有限公司 | Electric indicating device for three positions of circuit 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101877293B (en) | 2014-04-02 |
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