CN104124098A - AC vacuum contactor - Google Patents
AC vacuum contactor Download PDFInfo
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- CN104124098A CN104124098A CN201310145133.3A CN201310145133A CN104124098A CN 104124098 A CN104124098 A CN 104124098A CN 201310145133 A CN201310145133 A CN 201310145133A CN 104124098 A CN104124098 A CN 104124098A
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- rotary table
- lower rotary
- described top
- top rotary
- vacuum tube
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Abstract
The invention discloses an AC vacuum contactor comprising 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 fixedly connected to the electromagnetic actuator, and the other end is fixedly connected with a main contact in a locking manner. The outer side of the vacuum tube is further fixedly sleeved with an arc suppression coil. The arc suppression coil is electrically connected to the main contact and the auxiliary contact respectively, and the arc adjacent to the main contact of the vacuum tube can be effectively suppressed, so that the breaking capacity of the vacuum tube can reach an effective value. The AC vacuum contactor is further provided with an electrical commutation mechanism. The electrical commutation mechanism includes an upper rotary table, a lower rotary table and a commutation motor. The upper rotary table and the lower rotary table are respectively located at upper and lower sides of the arc suppression coil. Conductive plates are located on opposite surfaces of the upper rotary table and the lower rotary table. The commutation motor can drive the upper rotary table and the lower rotary table to rotate, and enable the conductive plates on the upper rotary table and the lower rotary table to be simultaneously abutted against and isolated from the arc suppression coil, so that the commutation function can be quickly achieved.
Description
Technical field
The present invention relates to AC vacuum contactor technical field, especially a kind of AC vacuum contactor with commutation function.
Background technology
Vacuum contactor is a kind of mechanical switch, by the mechanical movement of contact, realize connection and the disjunction of circuit, vacuum contactor has operating voltage compared with high, the advantage such as the arcing time is short, contact electrical wear is few, contact surface non-oxidation, thereby is widely used in the every field such as electric power system, oil, chemical industry, colliery, metallurgy and electric railway.
But being mostly, the commutation mode of existing vacuum contactor utilize phase-change switch to carry out commutation, the deficiency of this structure is more, such as: volume is large, by dependent manual operation, use inconvenience, more can not realize each loop independence commutation, while therefore causing on-the-spot use, have limitation.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of AC vacuum contactor, this AC vacuum contactor not only can effectively stop electric arc, but also has commutation function, simple operation.
The present invention 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 is fixedly 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, in the outside of described vacuum tube, go back fixed cover 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 electrical phase-change mechanism, described electrical phase-change mechanism comprises top rotary table, lower rotary table and commutated motor, the use direction of take is benchmark, described top rotary table and lower rotary table are positioned respectively the both sides up and down of described arc suppression coil, separately on the apparent surface of described top rotary table and lower rotary table, all locate and be provided with conductive plate respectively, described commutated motor can drive described top rotary table and lower rotary table to rotate, and makes to be positioned at described top rotary table and compress mutually and be located away from described arc suppression coil with the conductive plate on lower rotary table simultaneously.
As a further improvement on the present invention, the structure that described commutated motor can drive described top rotary table and lower rotary table to rotate is: described top rotary table and lower rotary table are circulation cam structure, and respectively on described top rotary table and lower rotary table, activity is embedded with a pair of cone pulley respectively; Also be provided with a pair of gear and rotating shaft, wherein, this is intermeshing to gear, the corresponding spline of one axle head of the output shaft of described commutated motor and described rotating shaft is located at this in the endoporus of 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 being positioned on described top rotary table and lower rotary table is all removably fixed with in described rotating shaft.
As a further improvement on the present invention, the every pair of cone pulley being positioned on described top rotary table and lower rotary table is all symmetrical around the axial line of described rotating shaft.
As a further improvement on the present invention, at described top rotary table and the relative caulking groove that is formed with two pairs of accommodating conductive plates of confession on lower rotary table, and the caulking groove being positioned on described top rotary table and lower rotary table is corresponding symmetrical with the central shaft of described top rotary table and lower rotary table respectively.
The invention has the beneficial effects as follows: the outside fixed cover by the vacuum tube in this AC vacuum contactor is provided with an arc suppression coil, can effectively suppress near the electric arc of vacuum tube main contact, make the breaking capacity of vacuum tube can reach effective value; Also be provided with an electrical phase-change mechanism, described electrical phase-change mechanism comprises top rotary table, lower rotary table and commutated motor, the use direction of take is benchmark, described top rotary table and lower rotary table are positioned respectively the both sides up and down of described arc suppression coil, separately on the apparent surface of described top rotary table and lower rotary table, all locate and be provided with conductive plate respectively, described commutated motor can drive described top rotary table and lower rotary table to rotate, and make to be positioned at described top rotary table and compress mutually and be located away from described arc suppression coil with the conductive plate on lower rotary table, thereby can realize fast commutation function simultaneously.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of vacuum contactor of the present invention and electrical phase-change mechanism;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the cross-sectional view of vacuum contactor of the present invention.
Embodiment
With reference to the accompanying drawings the embodiment of a kind of AC vacuum contactor of the present invention is elaborated.
A kind of AC vacuum contactor of the present invention, comprise Insulating frame 2, electromagnetic operating mechanism 3, vacuum tube 4 and auxiliary contact, described vacuum tube 4 is fixedly 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, in the outside of described vacuum tube 4, go back fixed cover 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 electrical phase-change mechanism 1, described electrical phase-change mechanism 1 comprises top rotary table 10, lower rotary table 11 and commutated motor 12, the use direction of take is benchmark, described top rotary table 10 and lower rotary table 11 are positioned respectively the both sides up and down of described arc suppression coil 5, separately on the apparent surface of described top rotary table and lower rotary table, all locate and be provided with conductive plate 13 respectively, described commutated motor 12 can drive described top rotary table and lower rotary table to rotate, and makes to be positioned at described top rotary table and compress mutually and be located away from described arc suppression coil 5 with the conductive plate on lower rotary table simultaneously.
In the present invention, the structure that described commutated motor 12 can drive described top rotary table and lower rotary table to rotate is: described top rotary table and lower rotary table are circulation cam structure, and respectively on described top rotary table and lower rotary table, activity is embedded with a pair of cone pulley 16 respectively; Also be provided with a pair of gear 14 and rotating shaft 15, wherein, this is intermeshing 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 at this in the endoporus of 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 being positioned on described top rotary table and lower rotary table is all removably fixed with in described rotating shaft 15.
In the present invention, the every pair of cone pulley being positioned on described top rotary table and lower rotary table is all symmetrical around the axial line of described rotating shaft 15.
In the present invention, at described top rotary table and the relative caulking groove that is formed with two pairs of accommodating conductive plates 13 of confession on lower rotary table, and the caulking groove being positioned on described top rotary table and lower rotary table is corresponding symmetrical with the central shaft of described top rotary table and lower rotary table respectively.
Operation principle of the present invention is: described cone pulley 16 moves respectively in described top rotary table and lower rotary table, and its running orbit is respectively left hand thread and right-handed thread.When described cone pulley is all positioned at the minimum point of described top rotary table and lower rotary table, described top rotary table and lower rotary table are separated position, and arc suppression coil 5 and conductive plate 13 are separated; Then described commutated motor 12 drives described cone pulley to rotate 90 degree by this to gear 14 and rotating shaft 15, now described cone pulley is all positioned at the peak of described top rotary table and lower rotary table, distance between described top rotary table and lower rotary table is dwindled, therefore, the conductive plate being positioned on top rotary table and lower rotary table can compress arc suppression coil 5, and commutation completes.
Claims (4)
1. an 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) is fixedly 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), in the outside of described vacuum tube (4), go back fixed cover 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 electrical phase-change mechanism (1), described electrical phase-change mechanism (1) comprises top rotary table (10), lower rotary table (11) and commutated motor (12), the use direction of take is benchmark, described top rotary table (10) and lower rotary table (11) are positioned respectively the both sides up and down of described arc suppression coil (5), separately on the apparent surface of described top rotary table and lower rotary table, all locate and be provided with conductive plate (13) respectively, described commutated motor (12) can drive described top rotary table and lower rotary table to rotate, and make to be positioned at described top rotary table and compress mutually and be located away from described arc suppression coil (5) with the conductive plate on lower rotary table simultaneously.
2. AC vacuum contactor according to claim 1, it is characterized in that: the structure that described commutated motor (12) can drive described top rotary table and lower rotary table to rotate is: described top rotary table and lower rotary table are circulation cam structure, and respectively on described top rotary table and lower rotary table, activity is embedded with a pair of cone pulley (16) respectively; Also be provided with a pair of gear (14) and rotating shaft (15), wherein, this is intermeshing 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 at this in the endoporus of 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 being positioned on described top rotary table and lower rotary table is all 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 being positioned on described top rotary table and lower rotary table is all symmetrical around the axial line of described rotating shaft (15).
4. AC vacuum contactor according to claim 2, it is characterized in that: at described top rotary table and the relative caulking groove that is formed with two pairs of accommodating conductive plates of confession (13) on lower rotary table, and the caulking groove being positioned on described top rotary table and lower rotary table is corresponding symmetrical with the central shaft of described top rotary table and lower rotary table respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310145133.3A CN104124098B (en) | 2013-04-24 | 2013-04-24 | AC vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310145133.3A CN104124098B (en) | 2013-04-24 | 2013-04-24 | AC vacuum contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104124098A true CN104124098A (en) | 2014-10-29 |
| CN104124098B CN104124098B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310145133.3A Active CN104124098B (en) | 2013-04-24 | 2013-04-24 | AC vacuum contactor |
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| Country | Link |
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| CN (1) | CN104124098B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400708A (en) * | 2019-07-30 | 2019-11-01 | 山西伟奇电器技术有限公司 | Flame-proof switch cabinet distance control commutation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3811833A1 (en) * | 1988-04-07 | 1989-10-19 | Siemens Ag | Vacuum switching tube |
| CN1160278A (en) * | 1996-03-15 | 1997-09-24 | 叶建丰 | Detachable built-in electromagnet driven type vacuum switch |
| CN201387995Y (en) * | 2009-03-13 | 2010-01-20 | 山东米诺电力科技有限公司 | Automatic tracking-compensation arc-extinction and route-selection PT cabinet |
| CN202276148U (en) * | 2011-10-14 | 2012-06-13 | 安徽一天电气技术有限公司 | Pulse selection coil compensation and fault processing apparatus |
| CN203218167U (en) * | 2013-04-24 | 2013-09-25 | 昆山瑞普电气有限公司 | AC vacuum contactor |
-
2013
- 2013-04-24 CN CN201310145133.3A patent/CN104124098B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3811833A1 (en) * | 1988-04-07 | 1989-10-19 | Siemens Ag | Vacuum switching tube |
| CN1160278A (en) * | 1996-03-15 | 1997-09-24 | 叶建丰 | Detachable built-in electromagnet driven type vacuum switch |
| CN201387995Y (en) * | 2009-03-13 | 2010-01-20 | 山东米诺电力科技有限公司 | Automatic tracking-compensation arc-extinction and route-selection PT cabinet |
| CN202276148U (en) * | 2011-10-14 | 2012-06-13 | 安徽一天电气技术有限公司 | Pulse selection coil compensation and fault processing apparatus |
| CN203218167U (en) * | 2013-04-24 | 2013-09-25 | 昆山瑞普电气有限公司 | AC vacuum contactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400708A (en) * | 2019-07-30 | 2019-11-01 | 山西伟奇电器技术有限公司 | Flame-proof switch cabinet distance control commutation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104124098B (en) | 2016-04-06 |
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