CN103545140A - Non-contact type auxiliary switch - Google Patents
Non-contact type auxiliary switch Download PDFInfo
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- CN103545140A CN103545140A CN201310465216.0A CN201310465216A CN103545140A CN 103545140 A CN103545140 A CN 103545140A CN 201310465216 A CN201310465216 A CN 201310465216A CN 103545140 A CN103545140 A CN 103545140A
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- tongue tube
- connecting lever
- coil
- auxiliary switch
- reed pipe
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Abstract
The invention relates to a non-contact type auxiliary switch which comprises a spindle, a connecting lever, a dark steel mechanism, a first reed pipe, a second reed pipe and a coil. The dark steel mechanism and the connecting lever are fixed on the spindle. A magnet is disposed at the bottom of the connecting lever. The first reed pipe and the second reed pipe are horizontally distributed below the magnet and respectively connected to the coil. The coil is disposed below the dark steel mechanism. When the position of the connecting lever corresponds to the first reed pipe, the first reed pipe is communicated, the coil takes power, absorbs the dark steel mechanism, and drives the connecting lever to rotate by around the spindle to allow the magnet of the connecting lever to correspond to the position of the second reed pipe, the second reed pipe is communicated, the coil loses power, the dark steel mechanism returns to the initial positions and drives the connecting lever to rotate to the position corresponding to the position of the first reed pipe so as to form a circulation, and frequent on-off of a vacuum contactor is achieved.
Description
Technical field
The present invention relates to a kind of contactless auxiliary switch that is applied to vacuum contactor.
Background technology
The principle of vacuum contactor is: utilize vacuum interrupter arc extinguishing, in order to frequent connection and cut-out running current.At present, auxiliary switch for vacuum contactor is mechanical switch, its structure as shown in Figure 1, auxiliary switch 1 is provided with contact 2, incorporated by reference to Fig. 2, drive unit 4 drives contact rod 3 to move downward, contact with the contact 2 on auxiliary switch 1, produce signal, this signal is passed to drive unit 4, drive unit 4 drives contact rod 3 to move upward, disengage with contact 2, now auxiliary switch 1 stops to drive unit 4 transmission of signals, and drive unit 4 drives contact rod 3 to move downward again, with this, circulate, realize the frequent break-make of vacuum contactor.But the driving of this mode demand motive device 4, energy resource consumption is larger; And contact rod 3 frequently contacts with contact 2, causes serious wear, and the auxiliary switch life-span is shorter.
Therefore, how to provide that a kind of energy resource consumption is few, the contactless auxiliary switch of longer service life is those skilled in the art's technical problem urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of contactless auxiliary switch, to realize the detection of a plurality of mechanical properties of vacuum interrupter, extend the useful life of contactless auxiliary switch simultaneously.
For solving the problems of the technologies described above, the invention provides a kind of contactless auxiliary switch, comprise main shaft, connecting lever ,Xuan iron mechanism, the first tongue tube, the second tongue tube and coil, described Xuan Tie mechanism and described connecting lever are all fixed on described main shaft, the bottom of described connecting lever is provided with a magnet, described the first tongue tube and the second tongue tube are horizontally distributed in the below of described magnet, and described the first tongue tube and the second tongue tube are connected to respectively described coil, and described coil is located at described Xuan Tie mechanism below.
Preferably, described the first tongue tube and the second tongue tube comprise respectively: two magnetizable reeds that end points place is overlapping, two reeds are sealed in a glass tube, in described glass tube, are filled with inert gas.
Preferably, the end points place of described reed is provided with contact, and described contact adopts inertia Noble Metal Rhodium to make.
Compare with existing auxiliary switch, contactless auxiliary switch tool provided by the invention has the following advantages:
1. tongue tube is simpler than common mechanical construction of switch, volume is little, speed is high, long working life; And compare with electronic switch, it has again the features such as anti-load shock ability is strong, and functional reliability is very high;
2. reed part small-size light-weight, fast for electric signal answer speed;
3. the contact of making by inertia Noble Metal Rhodium, fusing point is high, can not produce electric arc, contact surface is lossless under vacuum condition.Rhodium contact, hardness is high, wear-resistant, can maintain longer working life.
Accompanying drawing explanation
Fig. 1 is the vertical view of existing auxiliary switch;
Fig. 2 is the principle schematic that existing auxiliary switch is applied to vacuum contactor;
Fig. 3 is the structural representation that the contactless auxiliary switch of the embodiment of the invention is applied to vacuum contactor;
Fig. 4 is the structural representation of tongue tube in the contactless auxiliary switch of the embodiment of the invention.
In Fig. 1-2: 1-auxiliary switch, 2-contact, 3-contact rod, 4-drive unit;
In Fig. 3-4: 10-main shaft, 20-connecting lever, 21-magnet ,30-Xuan iron mechanism, 40-the first tongue tube, 41-reed, 42 glass tubes, 43-contact, 50-the second tongue tube, 60-coil.
Embodiment
For the technical scheme of more detailed statement foregoing invention, below list specific embodiment and carry out Proof Technology effect; It is emphasized that these embodiment are not limited to limit the scope of the invention for the present invention is described.
Contactless auxiliary switch provided by the invention, as shown in Figure 3 and Figure 4, comprise main shaft 10, connecting lever 20, Xuan Tie mechanism 30, the first tongue tube 40, the second tongue tube 50 and coil 60, described Xuan Tie mechanism 30 and described connecting lever 20 are all fixed on described main shaft 10, and can take described main shaft 10 as rotating shaft rotation, the bottom of described connecting lever 20 is provided with a magnet 21, described the first tongue tube 40 and the second tongue tube 50 are horizontally distributed in the below of described magnet 21, described the first tongue tube 40 and the second tongue tube 50 are connected to respectively described coil 60, described coil 60 is located at described Xuan Tie mechanism 30 belows.The present invention is the dead electricity situation that obtains with respect to the position relationship control coil 60 of described the first tongue tube 40 and the second tongue tube 50 by the magnet 21 on described connecting lever 20, thereby control rotatablely moving of Xuan Tie mechanism 30, and then drive rotatablely moving of connecting lever 20, realize frequent break-make, compared to up-and-down movement of the prior art, the energy of the consumption that rotatablely moves of the present invention still less; Between described connecting lever 20 and the first tongue tube 40 and the second tongue tube 50, directly contact, extended the useful life of non-contact switch.
Preferably, please emphasis with reference to figure 4, and in conjunction with Fig. 3, described the first tongue tube 40 and the second tongue tube 50 comprise respectively (first tongue tube 40 of take is example): two magnetizable reeds 41 that end points place is overlapping, two reeds 41 are sealed in a glass tube 42, particularly, the distance that described two reeds 41 are separated is about tens microns, in described glass tube 42, is filled with highly purified inert gas.Preferably, the end points place of described reed 41 is provided with contact 43, described contact 43 adopts inertia Noble Metal Rhodium to make, particularly, when the first tongue tube 40 is during away from magnet 21, two reeds 41 do not contact, when the first tongue tube 40 is during near magnet 21, additional magnetic field makes near the different polarity of the generation in 43 positions, contact of two reeds 41, and the reed 41 of two opposed polarities attracts each other and be closed.Tongue tube is simpler than common mechanical construction of switch, volume is little, speed is high, long working life; And compare with electronic switch, it has again the features such as anti-load shock ability is strong, and functional reliability is very high; Reed 41 part small-size light-weights, fast for electric signal answer speed; The contact 43 of making by inertia Noble Metal Rhodium, fusing point is high, can not produce electric arc, contact surface is lossless under vacuum condition, rhodium contact, hardness is high, wear-resistant, can maintain longer working life.
In sum, contactless auxiliary switch provided by the invention, comprise main shaft 10, connecting lever 20, Xuan Tie mechanism 30, the first tongue tube 40, the second tongue tube 50 and coil 60, described Xuan Tie mechanism 30 and described connecting lever 20 are all fixed on described main shaft 10, and can take described main shaft 10 as rotating shaft rotation, the bottom of described connecting lever 20 is provided with a magnet 21, described the first tongue tube 40 and the second tongue tube 50 are horizontally distributed in the below of described magnet 21, described the first tongue tube 40 and the second tongue tube 50 are connected to respectively described coil 60, described coil 60 is located at described Xuan Tie mechanism 30 belows.In the present invention, 40 pairs of the position of connecting lever 20 and the first tongue tubes are seasonable, the first tongue tube 40 conductings, coil 60 electric absorption Xuan Tie mechanism 30, the main shaft 10 of take rotates as axle drives connecting lever 20, make the magnet 21 on connecting lever 20 corresponding with the position of the second tongue tube 50, the second tongue tube 50 conductings, coil 60 dead electricity, Xuan Tie mechanism 30 returns to initial position, drive connecting lever 20 rotations to the position corresponding with the first tongue tube 10, with this, circulate, realize the frequent break-make of vacuum contactor.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these change and modification.
Claims (3)
1. a contactless auxiliary switch, it is characterized in that, comprise main shaft, connecting lever ,Xuan iron mechanism, the first tongue tube, the second tongue tube and coil, described Xuan Tie mechanism and described connecting lever are all fixed on described main shaft, the bottom of described connecting lever is provided with a magnet, described the first tongue tube and the second tongue tube are horizontally distributed in the below of described magnet, and described the first tongue tube and the second tongue tube are connected to respectively described coil, and described coil is located at described Xuan Tie mechanism below.
2. contactless auxiliary switch as claimed in claim 1, it is characterized in that, described the first tongue tube and the second tongue tube comprise respectively: two magnetizable reeds that end points place is overlapping, two reeds are sealed in a glass tube, in described glass tube, are filled with inert gas.
3. contactless auxiliary switch as claimed in claim 2, is characterized in that, the end points place of described reed is provided with contact, and described contact adopts inertia Noble Metal Rhodium to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310465216.0A CN103545140B (en) | 2013-09-30 | 2013-09-30 | A kind of Non-contact type auxiliary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310465216.0A CN103545140B (en) | 2013-09-30 | 2013-09-30 | A kind of Non-contact type auxiliary switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103545140A true CN103545140A (en) | 2014-01-29 |
| CN103545140B CN103545140B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310465216.0A Active CN103545140B (en) | 2013-09-30 | 2013-09-30 | A kind of Non-contact type auxiliary switch |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337670Y (en) * | 1998-01-23 | 1999-09-08 | 李克良 | Non-contacting multi-function water flow relay |
| CN2346064Y (en) * | 1998-08-26 | 1999-10-27 | 刘任惠 | Non-contacting auxiliary switch |
| CN201282065Y (en) * | 2008-06-26 | 2009-07-29 | 上海志远真空电器有限公司 | Permanent magnet AC vacuum contactor |
| JP2010015778A (en) * | 2008-07-02 | 2010-01-21 | Mitsubishi Electric Corp | Vacuum electromagnetic contactor |
| CN202871677U (en) * | 2012-09-03 | 2013-04-10 | 山西潞安环保能源开发股份有限公司 | Vacuum circuit breaker for low-voltage permanent magnetic mechanism |
| CN203553031U (en) * | 2013-09-30 | 2014-04-16 | 江苏森源电气股份有限公司 | Non-contact auxiliary switch |
-
2013
- 2013-09-30 CN CN201310465216.0A patent/CN103545140B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337670Y (en) * | 1998-01-23 | 1999-09-08 | 李克良 | Non-contacting multi-function water flow relay |
| CN2346064Y (en) * | 1998-08-26 | 1999-10-27 | 刘任惠 | Non-contacting auxiliary switch |
| CN201282065Y (en) * | 2008-06-26 | 2009-07-29 | 上海志远真空电器有限公司 | Permanent magnet AC vacuum contactor |
| JP2010015778A (en) * | 2008-07-02 | 2010-01-21 | Mitsubishi Electric Corp | Vacuum electromagnetic contactor |
| CN202871677U (en) * | 2012-09-03 | 2013-04-10 | 山西潞安环保能源开发股份有限公司 | Vacuum circuit breaker for low-voltage permanent magnetic mechanism |
| CN203553031U (en) * | 2013-09-30 | 2014-04-16 | 江苏森源电气股份有限公司 | Non-contact auxiliary switch |
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| Publication number | Publication date |
|---|---|
| CN103545140B (en) | 2016-06-22 |
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