CN101877293B - position indicator switch - Google Patents

Abstract

Translated fromChinese

一种位置指示开关，包括壳体(1、8)、滑动件(12)、弹簧(6)，以及微动开关。导线(9)的一端连接到固定在所述壳体(1、8)内的所述微动开关，而所述导线(9)的另一端伸出所述壳体(1、8)外。所述滑动件(12)可以沿所述壳体(8)内的轨道滑动，且所述滑动件(12)的一部分(13)穿过所述壳体(1)上的开口(15)伸出所述壳体(1、8)外。所述弹簧(6)的一个端部接触所述滑动件(12)的一个端部。所述滑动件(12)能够在特定的位置与所述微动开关的触头接触。所述微动开关为布置在一个平面内的六个微动开关(7)，其中分别与三个工作位置相对应的三对微动开关(7)中的每一对都关于所述弹簧(6)的轴线对称布置。

A position indicating switch, comprising a casing (1, 8), a sliding part (12), a spring (6), and a micro switch. One end of the wire (9) is connected to the micro switch fixed in the casing (1, 8), and the other end of the wire (9) extends out of the casing (1, 8). The sliding part (12) can slide along the track inside the casing (8), and a part (13) of the sliding part (12) extends through the opening (15) on the casing (1). out of the housing (1, 8). One end of the spring (6) contacts one end of the slider (12). The slider (12) can be in contact with the contact of the micro switch at a specific position. The microswitches are six microswitches (7) arranged in a plane, wherein each pair of the three pairs of microswitches (7) corresponding to the three working positions is about the spring ( 6) are arranged symmetrically about the axis.

Description

Position indicating switch

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 afterremoval case lid 1;

Fig. 2 has shown the outside ofcase lid 1;

Fig. 3 a has shown thesliding part 12 after assembling;

Fig. 3 b has shown thesliding part 12 of decomposing state;

Fig. 4 a has shown the inner side of thecasing base 8 of removing after various parts;

Fig. 4 b has shown the inner side ofcase lid 1.

Embodiment

Fig. 1 has shown the position indicating switch according to one embodiment of the present invention, has wherein removedcase lid 1, and has shown slidingpart 12,spring 6, thecomplex root wire 9 being arranged oncasing base 8, and six sensitive switches 7.Thesewires 9, one end is connected tosensitive switch 7, and the other end arrives the outside ofcasing base 8 through the several holes oncasing base 8, and extend along the outside ofcasing base 8, and be connected to the binding post (not shown) of thelateral 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 ofcasing base 8 has 12 alignment pins as shown in Fig. 4 a, sixsensitive switches 7 is fixed in housing together with 12 alignment pins of these alignment pins andcase lid 1 inner side shown in Fig. 4 b.The end that slidingpart 12 is entangled in an end of thespring 6 schematically showing.Slidingpart 12 can slide along thegroove 14 ofcasing base 8 inner sides.Another end ofspring 6 is fixed incase lid 1 and the formed hole ofcasing base 8 after assembling.It is dual spacing that a kind of like this design obtainsspring 6 within it on external diameter, thereby improved stability and the reliability ofspring 6 work.By six screws along the edge ofcase lid 1 screw incase lid 1 andcasing base 8 byscrew 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 withcasing base 8, andcase lid 1 has in outside preferably and twoslideways 16 ofcase lid 1 shape all-in-one-piece.Twoslideways 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 twoslideway 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 thesliding part 12 under assembling and decomposingstate.Sliding part 12 comprises tworivets 2, twopads 3,slide block 4, twospring leafs 5, and by relative position as shown in Figure 3 b by these assembling parts together.An end of slidingpart 12 is crosswise plug.This crosswise plug inserts in an end of spring 6.A part 13 forslide block 4 is stretched out outside the opening 15 of case lid 1.Another part of theslide block 4 relative with apart 13 forslide block 4 is inserted in thegroove 14 ofcasing base 8 inner sides, so that slidingpart 12 can move along the axial direction of spring 6.When slidingpart 12 arrives the position of contact ofsensitive switches 7, twospring leafs 5 trigger respectively in a pair ofsensitive switch 7, even if one of themspring leaf 5 triggers unsuccessfully, so generally anotherspring 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 promotespart 13 motions outsidecase lid 1 of stretching out of slide block 4.When slidingpart 12 moves to behind the position of contact of correspondingsensitive switch 7, thespring leaf 5 of slidingpart 12 will trigger contact, and nowsensitive switch 7 will send corresponding signal.Described signal will be sent to binding post bywire 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 thegroove 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 oncasing base 8lateral 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)

Translated fromChinese

1.一种位置指示开关，包括：壳体(1、8)、滑动件(12)、弹簧(6)，以及微动开关；导线(9)的一端连接到固定在所述壳体(1、8)内的所述微动开关，而所述导线(9)的另一端伸出所述壳体(1、8)外；所述滑动件(12)可以沿所述壳体(8)内的轨道滑动，且所述滑动件(12)的一部分(13)穿过所述壳体(1)上的开口(15)伸出所述壳体(1、8)外；所述弹簧(6)的一个端部接触所述滑动件(12)的一个端部；所述滑动件(12)能够在滑动过程中与所述微动开关的触头接触；1. A position indicator switch, comprising: a housing (1, 8), a slide (12), a spring (6), and a microswitch; one end of a lead (9) is connected to the housing (1) , 8) inside the micro switch, and the other end of the wire (9) protrudes out of the housing (1, 8); the slider (12) can move along the housing (8) The inner track slides, and a part (13) of the slider (12) passes through the opening (15) on the housing (1) to protrude out of the housing (1, 8); the spring ( One end of 6) contacts one end of the slider (12); the slider (12) can be in contact with the contact of the microswitch during the sliding process;其特征在于：It is characterized by:所述轨道为所述壳体(8)内侧的槽(14)，所述弹簧(6)的另一个端部固定在所述壳体(1、8)所形成的洞中，The track is a groove (14) inside the casing (8), and the other end of the spring (6) is fixed in the hole formed by the casing (1, 8),所述微动开关为布置在一个平面内的六个微动开关(7)；所述六个微动开关(7)分为分别与三个工作位置相对应的三对微动开关(7)，其中的每一对都关于所述弹簧(6)的轴线对称布置；在所述三个工作位置中的每一个工作位置，所述滑动件(12)触发相应的一对微动开关(7)中的至少一个所述微动开关(7)的触头。The microswitches are six microswitches (7) arranged in one plane; the six microswitches (7) are divided into three pairs of microswitches (7) respectively corresponding to three working positions , each pair of which is arranged symmetrically with respect to the axis of the spring (6); in each of the three working positions, the slider (12) triggers a corresponding pair of microswitches (7 ) at least one contact of the microswitch (7).2.如权利要求1所述的位置指示开关，其特征在于：所述导线(9)伸出所述壳体(1、8)外的那些端沿着所述壳体(8)的外侧延伸，并连接到固定在所述壳体(8)外侧的接线端子。2. The position indicating switch according to claim 1, characterized in that: the ends of the wires (9) protruding from the housing (1, 8) extend along the outer side of the housing (8) , and connected to the terminal fixed on the outside of the housing (8).3.如权利要求1所述的位置指示开关，其特征在于：所述导线(9)伸出所述壳体(1、8)外的那些端形成一个插头，所述插头插入断路器内与所述插头相配合的插座中。3. The position indicating switch as claimed in claim 1, characterized in that: the ends of the wires (9) protruding from the housing (1, 8) form a plug, and the plug is inserted into the circuit breaker and the plug into a mating receptacle.4.如权利要求1所述的位置指示开关，其特征在于：所述壳体(1)的外侧包括两条滑道(16)，这两条滑道(16)位于所述位置指示开关的同一个外侧面上，并形成一微小的夹角(a)。4. The position indicating switch according to claim 1, characterized in that: the outer side of the housing (1) includes two slideways (16), and these two slideways (16) are located on the side of the position indicating switch. On the same outer surface, and form a slight angle (a).

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