CN204289282U - A.C. contactor - Google Patents
A.C. contactor Download PDFInfo
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- CN204289282U CN204289282U CN201520026107.3U CN201520026107U CN204289282U CN 204289282 U CN204289282 U CN 204289282U CN 201520026107 U CN201520026107 U CN 201520026107U CN 204289282 U CN204289282 U CN 204289282U
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- frame
- arc
- contact device
- rotating shaft
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Abstract
The utility model discloses a kind of A.C. contactor, its drip irrigation device is, comprise frame, input terminal and outlet terminal, described frame is rotated and is provided with rotating shaft, described rotating shaft is provided with calutron successively, main contact device, arc-control device, auxiliary contact device, by setting gradually calutron in frame, main contact device and auxiliary contact device, auxiliary contact device is arranged away from calutron, auxiliary contact device can be avoided to cause interference in contact or when disconnecting to calutron, and, the main contact device linearly arranged and auxiliary contact device, can avoid causing circuit to be settled when installation too complicated, improve the reliability of A.C. contactor.
Description
Technical field
The utility model relates to a kind of switchgear, and more particularly, it relates to a kind of A.C. contactor.
Background technology
Contactor is a kind of automation switch being used for being switched on or switched off load-carrying alternating current-direct current main circuit or Large Copacity control circuit; major control is to liking motor; in addition also for other electrical loads; as electric heater, electric welding machine, lighting apparatus; contactor can not only be connected and cut off circuit; but also there is the effect of low-voltage release guard, contactor control capability is large, is applicable to frequent operation and far distance controlled.It is one of critical elements in automatic control system.
Current industrial and mining enterprises A.C. contactor used is a kind of important task business A.C. contactor, but current existing A.C. contactor, anti-vibration ability, dependability is low, failure rate is high, can not meet the industrial demand of modernization far away, therefore at present application number be 200920299056.6 utility model patent provide a kind of rotary AC contactor, although it to some extent solves the connection and breaking capacity that improve A.C. contactor, but due to its complex structure, auxiliary contact and magnetic system stacked on top are assembled together, cause module distribution unreasonable, after contactor installs, because auxiliary contact place circuit is more, wire is easily intertwined mutually, its reliability is caused to reduce, and, auxiliary contact is mounted on placement seat, contact-making surface in current existing placement seat bottom surface and frame is all smooth, only be mounted by means of bolts in frame at placement seat, time the number of times of A.C. contactor vibration is more, easily produce slip between placement seat and frame, resistance to shock is not high, also also reduce reliability to a certain extent like this, cause the failure rate of A.C. contactor to uprise.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide one to avoid A.C. contactor, can effectively avoid wire to be intertwined and then improve the reliability of A.C. contactor.
For achieving the above object, the utility model adopts following technical scheme, and a kind of A.C. contactor comprises frame, input terminal and outlet terminal, also includes:
Calutron, be arranged at Frame end, comprise the sucking coil being fixedly installed on Frame end, described sucking coil internal fixtion is equipped with static iron core, described frame is positioned at the rotation of sucking coil side and is provided with rotating shaft, described rotating shaft is fixed with the dynamic iron core coordinated with static iron core;
Auxiliary contact device, is arranged at one end away from calutron in frame, comprises the auxiliary fixed contact that slippage is arranged at the auxiliary moving contact in frame and is fixedly installed in frame, and described auxiliary moving contact drives it to slide by rotating shaft;
Main contact device, is arranged between calutron and auxiliary contact device, comprises dynamic main contacts and quiet main contacts, and described dynamic main contacts is fixedly installed in rotating shaft, and described dynamic main contacts is connected with input terminal, and described quiet main contacts is connected with outlet terminal;
Arc-control device, be located at above main contact device, comprise arc-extinguish chamber and be arranged at the arc extinguishing frame in arc-extinguish chamber, described quiet main contacts is fixedly installed on arc extinguishing frame, described arc extinguishing frame is provided with arc leading angle, is provided with blowout coil, is arranged with iron core in described blowout coil in described arc extinguishing frame, described striking cover two sides are provided with magnetic clamping plate, and described iron core and magnetic clamping plate abut against.
Preferably, described frame is fixed with placement seat, described auxiliary fixed contact is fixedly installed on placement seat, and in described placement seat, slippage is connected with slide bar, and described auxiliary moving contact is fixedly installed on slide bar, and described auxiliary moving contact drives it to slide by rotating shaft.
Preferably, described frame is provided with the first profile of tooth block, and described placement seat bottom surface is provided with the second profile of tooth block coordinated with the first profile of tooth block, is provided with bolt between described placement seat and frame.
Preferably, described roller end is provided with shifting block, and described shifting block abuts with slide bar all the time.
Preferably, described arc-extinguish chamber is longitudinal narrow slit type arc-extinguish chamber.
The utility model hinge structure is compared to be had: by setting gradually calutron, main contact device and auxiliary contact device in frame, auxiliary contact device is arranged away from calutron, auxiliary contact device can be avoided to cause interference in contact or when disconnecting to calutron, and, the main contact device linearly arranged and auxiliary contact device, can avoid causing circuit to be settled when installation too complicated, prevent wire to be intertwined, improve the reliability of A.C. contactor.
Accompanying drawing explanation
Fig. 1 is the assembled view one of the utility model A.C. contactor embodiment;
Fig. 2 is the assembled view two of the utility model A.C. contactor embodiment;
Fig. 3 is the arc-control device structural representation of the utility model A.C. contactor embodiment;
Fig. 4 is the main contact device structural representation of the utility model A.C. contactor embodiment;
Fig. 5 is the auxiliary contact device cutaway view of the utility model A.C. contactor embodiment;
Fig. 6 is the auxiliary contact device structural representation of the utility model A.C. contactor embodiment;
Fig. 7 is the part assembled view of the utility model A.C. contactor embodiment.
In figure: 1, frame; 11, input terminal; 12, outlet terminal; 13, the first profile of tooth block; 2, sucking coil; 3, rotating shaft; 31, shifting block; 32, dynamic main contacts; 33, dynamic iron core; 4, quiet main contacts; 5, arc extinguishing frame; 51, arc leading angle; 52, blowout coil; 53, iron core; 54, magnetic clamping plate; 55, arc-extinguish chamber; 6, placement seat; 61, the second profile of tooth block; 62, auxiliary fixed contact; 7, rotating shaft back-moving spring; 8, auxiliary contact back-moving spring; 9, slide bar; 91, auxiliary moving contact.
Embodiment
Below in conjunction with accompanying drawing, the utility model A.C. contactor embodiment is described further.
A kind of A.C. contactor, mainly comprise frame 1, input terminal 11 and outlet terminal 12, frame 1 one end is fixed with calutron, the other end is fixed with auxiliary contact device, main contact device is provided with between apparatus for auxiliary contact and calutron, auxiliary contact is arranged and arranges away from calutron, effectively can avoid auxiliary contact device when connecting or disconnecting to the interference that calutron causes, and, centre position in frame 1 is arranged at by establishing the main contact device being covered with arc-extinguish chamber 55, the effect of isolation can be played, effectively prevent auxiliary contact device to the interference of calutron, and, three is arranged in frame 1 successively, compact conformation and can not interfering with each other, especially when connecting up, the camber line of circuit is not easily caused to be wound around, improve the reliability of contactor very significantly.
Wherein, calutron, be arranged in frame 1 end, be mainly switching on and off of each contact and power is provided, comprise the sucking coil 2 be fixedly installed in frame 1, static iron core 53 is provided with in sucking coil 2, frame 1 is rotated and is provided with rotating shaft 3, rotating shaft 3 is fixed with the dynamic iron core 33 coordinated with static iron core 53, during work, by carrying out power on/off to sucking coil 2, being contacting and separating of dynamic iron core 33 and static iron core 53 can be realized, when sucking coil 2 is energized, dynamic iron core 33 and static iron core 53 are pulled together, dynamic iron core 33 drives rotating shaft 3 to turn an angle, realize the adhesive of dynamic main contacts in rotating shaft 3 32 and quiet main contacts 4.
Main contact device, be arranged between calutron and auxiliary contact device, comprise dynamic main contacts 32 and quiet main contacts 4, dynamic main contacts 32 is fixedly installed in rotating shaft 3, dynamic main contacts 32 is connected with input terminal 11, quiet main contacts 4 is connected with outlet terminal 12, when dynamic iron core 33 and static iron core 53 adhesive time, rotating shaft 3 is rotated, dynamic main contacts 32 contacts with quiet main contacts 4, this contactor is in conducting state, frame 1 is fixed with bolt, bolt is arranged with rotating shaft back-moving spring 7, rotating shaft back-moving spring 7 one end abuts with bolt, the other end abuts with the epitaxy part in rotating shaft 3, when sucking coil 2 disconnects, under the effect of rotating shaft back-moving spring 7, the dynamic main contacts 32 of rotating shaft 3 reset separates with quiet main contacts 4, in order to ensure that the electric arc produced when disconnecting at dynamic main contacts 32 and quiet main contacts 4 impacts contactor, dynamic main contacts 32 with quiet main contacts 4 are provided with arc-control device, in the present embodiment, the mode of magnetic quenching is adopted to carry out arc extinguishing, due to the good arc quenching method that magnetic quenching is known at present, be not described in detail at this, arc-control device comprises arc-extinguish chamber 55 and is arranged at the arc extinguishing frame 5 in arc-extinguish chamber 55, quiet main contacts 4 is fixedly installed on arc extinguishing frame 5, the bottom of arc extinguishing frame 5 is connected with outlet terminal 12, arc extinguishing frame 5 is provided with arc leading angle 51, when dynamic main contacts 32 is separated with quiet main contacts 4, if generation electric arc, arc extinguishing operation can be carried out by arc leading angle 51, blowout coil 52 is provided with in arc extinguishing frame 5, iron core 53 is arranged with in blowout coil 52, striking cover two sides are provided with magnetic clamping plate 54, iron core 53 and magnetic clamping plate 54 abut against, when an electrical arc occurs, electric arc is subject to the electric field force of blowout coil 52 generation and is pulled to arc-extinguish chamber 55, make elongated the turning cold of electric arc and extinguish, in the present embodiment, arc-extinguish chamber 55 is longitudinal narrow slit type arc-extinguish chamber 55, longitudinal narrow slit type arc-extinguish chamber 55, owing to offering arc extinguishing seam, arc quenching effect is very remarkable, and arc-extinguish chamber 55 coordinates with magnetic quenching mode, very good arc quenching effect can be played, improve the stability of equipment.
Auxiliary contact device, be arranged at one end away from calutron in frame 1, frame 1 is fixed with placement seat 6, auxiliary fixed contact 62 is fixedly installed on placement seat 6, in placement seat 6, slippage is connected with slide bar 9, to being provided with auxiliary contact back-moving spring 8 between slide bar 9 and placement seat 6, auxiliary moving contact 91 is fixedly installed on slide bar 9, auxiliary moving contact 91 drives it to slide by rotating shaft 3, shifting block 31 is provided with in rotating shaft 3 end, shifting block 31 abuts with slide bar 9 all the time, when rotating shaft 3 is rotated, shifting block 31 by slide bar 9 to sinciput, auxiliary moving contact 91 on slide bar 9 just contacts with the auxiliary fixed contact 62 be arranged on placement seat 6, the conducting of auxiliary circuit can be realized, when sucking coil 2 open circuit, shifting block 31 also realizes resetting along with the reset of rotating shaft 3, now slide bar 9 realizes resetting under the effect of auxiliary contact back-moving spring 8.
Bolt is provided with between placement seat 6 and frame 1, by bolt, placement seat 6 is fixed and is located, but because slide bar 9 slides on placement seat 6 of being everlasting, long-time use or after being vibrated, easily cause loosening of screw thread, and then cause placement seat 6 to slide in frame 1, therefore, in order to can better positioning installation seat 6, frame 1 is provided with the first profile of tooth block 13, placement seat 6 bottom surface is provided with the second profile of tooth block 61 coordinated with the first profile of tooth block 13, by being engaged of the compression of bolt and the first profile of tooth block 13 and the second profile of tooth block 61, better can realize location to placement seat 6, prevent placement seat 6 from causing placement seat 6 to slide after long-time use, improve reliability and the vibration resistance of equipment.
Below be only preferred implementation of the present utility model; protection range of the present utility model is also not only confined to above-described embodiment; all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model; should be understood that; for those skilled in the art; do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. an A.C. contactor, comprises frame, input terminal and outlet terminal, it is characterized in that: also include
Calutron, be arranged at Frame end, comprise the sucking coil being fixedly installed on Frame end, described sucking coil internal fixtion is equipped with static iron core, described frame is positioned at the rotation of sucking coil side and is provided with rotating shaft, described rotating shaft is fixed with the dynamic iron core coordinated with static iron core;
Auxiliary contact device, is arranged at one end away from calutron in frame, comprises the auxiliary fixed contact that slippage is arranged at the auxiliary moving contact in frame and is fixedly installed in frame, and described auxiliary moving contact drives it to slide by rotating shaft;
Main contact device, is arranged between calutron and auxiliary contact device, comprises dynamic main contacts and quiet main contacts, and described dynamic main contacts is fixedly installed in rotating shaft, and described dynamic main contacts is connected with input terminal, and described quiet main contacts is connected with outlet terminal;
Arc-control device, be located at above main contact device, comprise arc-extinguish chamber and be arranged at the arc extinguishing frame in arc-extinguish chamber, described quiet main contacts is fixedly installed on arc extinguishing frame, described arc extinguishing frame is provided with arc leading angle, is provided with blowout coil, is arranged with iron core in described blowout coil in described arc extinguishing frame, described striking cover two sides are provided with magnetic clamping plate, and described iron core and magnetic clamping plate abut against.
2. A.C. contactor according to claim 1, it is characterized in that: described frame is fixed with placement seat, described auxiliary fixed contact is fixedly installed on placement seat, in described placement seat, slippage is connected with slide bar, described auxiliary moving contact is fixedly installed on slide bar, and described auxiliary moving contact drives it to slide by rotating shaft.
3. A.C. contactor according to claim 2, is characterized in that: described frame is fixed with the first profile of tooth block, and described placement seat bottom surface is provided with the second profile of tooth block coordinated with the first profile of tooth block, is provided with bolt between described placement seat and frame.
4. the A.C. contactor according to Claims 2 or 3, is characterized in that: described roller end is provided with shifting block, and described shifting block abuts with slide bar all the time.
5. A.C. contactor according to claim 4, is characterized in that: described arc-extinguish chamber is longitudinal narrow slit type arc-extinguish chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520026107.3U CN204289282U (en) | 2015-01-15 | 2015-01-15 | A.C. contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520026107.3U CN204289282U (en) | 2015-01-15 | 2015-01-15 | A.C. contactor |
Publications (1)
| Publication Number | Publication Date |
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| CN204289282U true CN204289282U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520026107.3U Active CN204289282U (en) | 2015-01-15 | 2015-01-15 | A.C. contactor |
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| CN (1) | CN204289282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405720A (en) * | 2015-11-30 | 2016-03-16 | 苏州润桐专利运营有限公司 | Energy storage contactor structure for electromagnetic relay |
-
2015
- 2015-01-15 CN CN201520026107.3U patent/CN204289282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405720A (en) * | 2015-11-30 | 2016-03-16 | 苏州润桐专利运营有限公司 | Energy storage contactor structure for electromagnetic relay |
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