CN203218167U - AC vacuum contactor - Google Patents
AC vacuum contactor Download PDFInfo
- Publication number
- CN203218167U CN203218167U CN 201320214159 CN201320214159U CN203218167U CN 203218167 U CN203218167 U CN 203218167U CN 201320214159 CN201320214159 CN 201320214159 CN 201320214159 U CN201320214159 U CN 201320214159U CN 203218167 U CN203218167 U CN 203218167U
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- CN
- China
- Prior art keywords
- rotary table
- lower rotary
- described top
- vacuum tube
- top rotary
- Prior art date
- 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.)
- Withdrawn - After Issue
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses an AC vacuum contactor which comprises an insulating frame, an electromagnetic actuator, a vacuum tube and an auxiliary contact. The vacuum tube is fixedly embedded in a groove of the insulating frame. One end of the vacuum tube is detachably connected to the electromagnetic actuator, and the other end of the vacuum tube is locked with and fixedly connected with a main contact. The outer side of the vacuum tube is also fixedly sleeved with an arc suppression coil which is electrically connected with the main contact and the auxiliary contact respectively. Arc near the vacuum tube and the main contact can be effectively restrained. The breaking capacity of the vacuum tube can reach an effective value. The AC vacuum contactor is also provided with an electrical commutation mechanism which comprises an upper rotating disk, a lower rotating disk and a commutation motor. The upper rotating disk and the lower rotating disk are respectively positioned at upper and lower sides of the arc suppression coil. Opposite surfaces of the upper rotating disk and the lower rotating disk are positioned and provided with a conductive plate respectively. The commutation motor can drives the upper rotating disk and the lower rotating disk to rotate, the conductive plates on the upper rotating disk and the lower rotating disk press against each other and are separated at the arc suppression coil at the same time, and the rapid commutation function is rapidly realized.
Description
Technical field
The utility model relates to the AC vacuum contactor technical field, especially a kind of AC vacuum contactor with the commutation function.
Background technology
Vacuum contactor is a kind of mechanical switch, namely realize connection and the disjunction of circuit by the mechanical movement of contact, vacuum contactor has advantages such as operating voltage is higher, the arcing time short, the contact electrical wear is few, contact surface non-oxidation, thereby is widely used in every field such as electric power system, oil, chemical industry, colliery, metallurgy and electric railway.
But mostly being greatly, the commutation mode of existing vacuum contactor utilize phase-change switch to come commutation, this structure not enough more, such as: volume is big, by dependent manual operation, use inconvenient, more can not realize each loop independence commutation, limitation is arranged when therefore causing on-the-spot the use.
The utility model content
In order to overcome above-mentioned defective, the utility model provides a kind of AC vacuum contactor, and this AC vacuum contactor not only can effectively stop electric arc, but also has commutation function, simple operation.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of AC vacuum contactor, comprise Insulating frame, electromagnetic operating mechanism, vacuum tube and auxiliary contact, described vacuum tube fixedly is embedded in the groove of Insulating frame, one end of described vacuum tube is removably fixed with in described electromagnetic operating mechanism, the other end of described vacuum tube has locked and connected a main contact, go back fixed cover in the outside of described vacuum tube and be provided with an arc suppression coil, described arc suppression coil is electrically connected with described main contact and auxiliary contact respectively;
Also be provided with electric commutation mechanism, described electric commutation mechanism comprises top rotary table, lower rotary table and commutated motor, to use direction to be benchmark, described top rotary table and lower rotary table are positioned the both sides up and down of described arc suppression coil respectively, on the apparent surface of described top rotary table and lower rotary table, all locate respectively in addition and be provided with conductive plate, described commutated motor can drive described top rotary table and lower rotary table and rotate, and makes and be positioned at described top rotary table and compress and be located away from simultaneously described arc suppression coil mutually with conductive plate on the lower rotary table.
As further improvement of the utility model, described commutated motor can drive the structure that described top rotary table and lower rotary table rotate: described top rotary table and lower rotary table are the circulation cam structure, each respectively on described top rotary table and lower rotary table activity be embedded with a pair of cone pulley; Also be provided with a pair of gear and rotating shaft, wherein, this is meshing with each other to gear, the corresponding spline of one axle head of the output shaft of described commutated motor and described rotating shaft is located in this endoporus to gear, another axle head of described rotating shaft wore described top rotary table and lower rotary table successively, and the every pair of cone pulley that is positioned on described top rotary table and the lower rotary table all is removably fixed with in described rotating shaft.
As further improvement of the utility model, the every pair of cone pulley that is positioned on described top rotary table and the lower rotary table all is symmetrically distributed around the axial line of described rotating shaft.
As further improvement of the utility model, the relative caulking groove that is formed with two pairs of ccontaining conductive plates of confession on described top rotary table and lower rotary table, and be positioned on described top rotary table and the lower rotary table caulking groove respectively corresponding central shaft with described top rotary table and lower rotary table be symmetrically distributed.
The beneficial effects of the utility model are: be provided with an arc suppression coil by the outside fixed cover at the vacuum tube of this AC vacuum contactor, can effectively suppress near the electric arc the vacuum tube main contact, make the breaking capacity of vacuum tube can reach effective value; Also be provided with an electric commutation mechanism, described electric commutation mechanism comprises top rotary table, lower rotary table and commutated motor, to use direction to be benchmark, described top rotary table and lower rotary table are positioned the both sides up and down of described arc suppression coil respectively, on the apparent surface of described top rotary table and lower rotary table, all locate respectively in addition and be provided with conductive plate, described commutated motor can drive described top rotary table and lower rotary table rotates, and make the conductive plate that is positioned on described top rotary table and the lower rotary table compress and be located away from described arc suppression coil mutually simultaneously, thereby can realize the commutation function fast.
Description of drawings
Fig. 1 is the assembly structure schematic diagram of the utility model vacuum contactor and electric commutation mechanism;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the cross-sectional view of the utility model vacuum contactor.
Embodiment
Embodiment to a kind of AC vacuum contactor of the present utility model is elaborated with reference to the accompanying drawings.
A kind of AC vacuum contactor of the present utility model, comprise Insulating frame 2, electromagnetic operating mechanism 3, vacuum tube 4 and auxiliary contact, described vacuum tube 4 fixedly is embedded in the groove of Insulating frame 2, one end of described vacuum tube 4 is removably fixed with in described electromagnetic operating mechanism 3, the other end of described vacuum tube 4 has locked and connected a main contact 6, go back fixed cover in the outside of described vacuum tube 4 and be provided with an arc suppression coil 5, described arc suppression coil 5 is electrically connected with described main contact and auxiliary contact respectively;
Also be provided with electric commutation mechanism 1, described electric commutation mechanism 1 comprises top rotary table 10, lower rotary table 11 and commutated motor 12, to use direction to be benchmark, described top rotary table 10 and lower rotary table 11 are positioned the both sides up and down of described arc suppression coil 5 respectively, on the apparent surface of described top rotary table and lower rotary table, all locate respectively in addition and be provided with conductive plate 13, described commutated motor 12 can drive described top rotary table and lower rotary table and rotate, and makes and be positioned at described top rotary table and compress and be located away from simultaneously described arc suppression coil 5 mutually with conductive plate on the lower rotary table.
In the utility model, described commutated motor 12 can drive the structure that described top rotary table and lower rotary table rotate and be: described top rotary table and lower rotary table are the circulation cam structure, each respectively on described top rotary table and lower rotary table activity be embedded with a pair of cone pulley 16; Also be provided with a pair of gear 14 and rotating shaft 15, wherein, this is meshing with each other to gear, the corresponding spline of one axle head of the output shaft of described commutated motor 12 and described rotating shaft 15 is located in this endoporus to gear, another axle head of described rotating shaft 15 wore described top rotary table and lower rotary table successively, and the every pair of cone pulley that is positioned on described top rotary table and the lower rotary table all is removably fixed with in described rotating shaft 15.
In the utility model, the every pair of cone pulley that is positioned on described top rotary table and the lower rotary table all is symmetrically distributed around the axial line of described rotating shaft 15.
In the utility model, the relative caulking groove that is formed with two pairs of ccontaining conductive plates 13 of confession on described top rotary table and lower rotary table, and be positioned on described top rotary table and the lower rotary table caulking groove respectively corresponding central shaft with described top rotary table and lower rotary table be symmetrically distributed.
Operation principle of the present utility model is: described cone pulley 16 moves in described top rotary table and lower rotary table respectively, and its running orbit is respectively left hand thread and right-handed thread.When described cone pulley all was positioned at the minimum point of described top rotary table and lower rotary table, described top rotary table and lower rotary table were separated position, and arc suppression coil 5 and conductive plate 13 are separated; Described commutated motor 12 drives described cone pulley rotation 90 degree by this to gear 14 and rotating shaft 15 then, this moment, described cone pulley all was positioned at the peak of described top rotary table and lower rotary table, distance between described top rotary table and the lower rotary table is dwindled, therefore, the conductive plate that is positioned on top rotary table and the lower rotary table can compress arc suppression coil 5, and commutation is finished.
Claims (4)
1. AC vacuum contactor, it is characterized in that: comprise Insulating frame (2), electromagnetic operating mechanism (3), vacuum tube (4) and auxiliary contact, described vacuum tube (4) fixedly is embedded in the groove of Insulating frame (2), one end of described vacuum tube (4) is removably fixed with in described electromagnetic operating mechanism (3), the other end of described vacuum tube (4) has locked and connected a main contact (6), go back fixed cover in the outside of described vacuum tube (4) and be provided with an arc suppression coil (5), described arc suppression coil (5) is electrically connected with described main contact and auxiliary contact respectively; Also be provided with electric commutation mechanism (1), described electric commutation mechanism (1) comprises top rotary table (10), lower rotary table (11) and commutated motor (12), to use direction to be benchmark, described top rotary table (10) and lower rotary table (11) are positioned the both sides up and down of described arc suppression coil (5) respectively, on the apparent surface of described top rotary table and lower rotary table, all locate respectively in addition and be provided with conductive plate (13), described commutated motor (12) can drive described top rotary table and lower rotary table and rotate, and makes and be positioned at described top rotary table and compress and be located away from simultaneously described arc suppression coil (5) mutually with conductive plate on the lower rotary table.
2. AC vacuum contactor according to claim 1, it is characterized in that: described commutated motor (12) can drive the structure that described top rotary table and lower rotary table rotate and be: described top rotary table and lower rotary table are the circulation cam structure, each respectively on described top rotary table and lower rotary table activity be embedded with a pair of cone pulley (16); Also be provided with a pair of gear (14) and rotating shaft (15), wherein, this is meshing with each other to gear, the corresponding spline of one axle head of the output shaft of described commutated motor (12) and described rotating shaft (15) is located in this endoporus to gear, another axle head of described rotating shaft (15) wore described top rotary table and lower rotary table successively, and the every pair of cone pulley that is positioned on described top rotary table and the lower rotary table all is removably fixed with in described rotating shaft (15).
3. AC vacuum contactor according to claim 2 is characterized in that: the every pair of cone pulley that is positioned on described top rotary table and the lower rotary table all is symmetrically distributed around the axial line of described rotating shaft (15).
4. AC vacuum contactor according to claim 2, it is characterized in that: the relative caulking groove that is formed with two pairs of ccontaining conductive plates of confession (13) on described top rotary table and lower rotary table, and be positioned on described top rotary table and the lower rotary table caulking groove respectively corresponding central shaft with described top rotary table and lower rotary table be symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214159 CN203218167U (en) | 2013-04-24 | 2013-04-24 | AC vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214159 CN203218167U (en) | 2013-04-24 | 2013-04-24 | AC vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218167U true CN203218167U (en) | 2013-09-25 |
Family
ID=49207680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320214159 Withdrawn - After Issue CN203218167U (en) | 2013-04-24 | 2013-04-24 | AC vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124098A (en) * | 2013-04-24 | 2014-10-29 | 昆山瑞普电气有限公司 | AC vacuum contactor |
-
2013
- 2013-04-24 CN CN 201320214159 patent/CN203218167U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124098A (en) * | 2013-04-24 | 2014-10-29 | 昆山瑞普电气有限公司 | AC vacuum contactor |
| CN104124098B (en) * | 2013-04-24 | 2016-04-06 | 昆山瑞普电气有限公司 | AC vacuum contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |