CN201345312Y - Material-saving vacuum contactor with high breaking capacity - Google Patents
Material-saving vacuum contactor with high breaking capacity Download PDFInfo
- Publication number
- CN201345312Y CN201345312Y CNU2008201318435U CN200820131843U CN201345312Y CN 201345312 Y CN201345312 Y CN 201345312Y CN U2008201318435 U CNU2008201318435 U CN U2008201318435U CN 200820131843 U CN200820131843 U CN 200820131843U CN 201345312 Y CN201345312 Y CN 201345312Y
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- capacitor
- coil
- power supply
- resistance
- relay
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Abstract
The utility model provides a material-saving vacuum contactor with high breaking capacity, which comprises a vacuum tube, a bracket, a rotary connecting lever, a coil, a switch-off spring, an auxiliary switch, an iron core and a base. The material-saving vacuum contactor with high breaking capacity is characterized in that the vacuum contactor further comprises a control circuit, the power supplies A 1 and A 2 of the control circuit are connected with a rectifier bridge through a contact terminal Q-1, the positive current of the rectifier bridge is connected with a relay J-1, the other end thereof as well as a diode D5 and a coil Q are connected with the end b of the rectifier bridge, and a capacitor C3 is connected in parallel with the two ends of the positive and the negative poles of the rectifier bridge; after mutual series connection, the capacitor C3 and a resistance R3 are connected in parallel to the coil; meanwhile, a resistor R1 is connected in parallel with a capacitor C1, one end is connected with the relay while the other end is connected with the power supply A2, the other end of the relay is connected with the power supply A2, a resistor R2 and a capacitor C2 are connected in parallel with the two ends of the contact terminal Q-1, and the two ends of a varistor are respectively connected with the power supply so as to form a loop. The utility model has the advantages of material saving, energy conservation, simple structure, low cost, quick breaking speed, strong make-and-break capability and the like, and is provided with a single winding coil.
Description
Technical field:
The utility model vacuum contactor particularly can be for a kind of material-saving high breaking vacuum contactor of frequent operation.
Background technology:
At present, traditional vacuum contactor sticking so far discharges the main dc magnetizing technical scheme acquisition application of adopting, its traditional dc magnetizing system sticking discharges and all exists more defective, electromagnetic system such as domestic various vacuum contactors has two groups of coils, every group of coil kept winding by one group of starting winding and one group, double winding coil energy-consuming consumptive material, the control apparatus design is unreasonable, incompatibility is used in the frequent operation occasion, the scope of application is restricted, the contact of the vacuum tube of vacuum contactor has been influenced the make-break capacity of vacuum contactor than length to the release time of opening fully by self-closing state, its life-span is shortened greatly, the long-time running maintenance is big, and through the reality test, the traditional vacuum contactor is example with CKJ5-400A; Starting winding copper cash weighs 571 grams, keeps the winding copper cash and weighs 582.4 grams, and vacuum tube contact average release time is about 90 milliseconds.
Summary of the invention:
The purpose of the utility model development is the defective that exists at above-mentioned technology, a kind of material-saving high breaking vacuum contactor is provided, this contactor has the simplex winding coil, material-saving 50%, energy-conservation, noiselessness, pollution-free, simple in structure, cost is low, special feature of the present invention has adopted special design circuit, make probe of contactor shortening release time be 18.46 milliseconds to the greatest extent, improved nearly four times of breaking speed, and improved the contactor make-break capacity greatly, and make contactor multiplication in useful life, more adapt to the frequent operation occasion to use, the scope of application is wider, safety and reliability.
The technical scheme that the purpose of this utility model adopted is, a kind of material-saving high breaking vacuum contactor is provided, form by vacuum tube, support, rotation connecting lever, coil, tripping spring, auxiliary switch, iron core, pedestal, it is characterized in that: comprise a control circuit, the power supply A of this control circuit
1, A
2Q-1 is connected with rectifier bridge D1-4 through vacuum contactor auxiliary switch normally closed interlock, and its cathode rectifier a is connected with relay J normally opened contact J-1, and the other end is connected rectifier bridge D1-4 negative pole b end, wherein capacitor C with diode D5, coil Q
3Be connected in parallel on both positive and negative polarity a, the b two ends of rectifier bridge D1-4, capacitor C
5And resistance R
3The series connection back is in parallel with coil Q, simultaneously, and resistance R
1And capacitor C
1Parallel connection, an end is connected with relay J, the other end and power supply A
1Connect the relay J other end and power supply A
2Connect resistance R
2, capacitor C
2Be connected in parallel on auxiliary switch Q-1 normally-closed contact two ends, piezo-resistance RV is connected in parallel on power supply A respectively
1, A
2Two ends become the loop.
Compare with present technology, has the simplex winding coil, material-saving 50%, energy-conservation, noiselessness, pollution-free, simple in structure, cost is low, because special feature of the present invention has adopted special design circuit, making probe of contactor shortening release time is to the greatest extent about 18.46 milliseconds, improved nearly four times of breaking speed, and improved the contactor make-break capacity greatly, made contactor multiplication in useful life, more adapting to the frequent operation occasion uses, the scope of application is wider, safety and reliability, and control circuit has saved relay J and its matching element R
1, C
1, C
4, C
5, R
3, C
3, can reach material-saving equally, voltage 36V, the C in this control circuit
2Change electrodeless electric capacity into, electrodeless electric capacity can substitute with two electrochemical capacitor homopolarity series connection and use diode D
5Change voltage-stabiliser tube into, vacuum tube contact break-time is faster, and this control circuit also can be used on the identical electromagnetic system product, as: various A.C. contactors.
Description of drawings:
Fig. 1 is a material-saving high breaking vacuum contactor structural representation;
Fig. 2 is an embodiment of control circuit implementation of the present utility model;
Fig. 3 saves the element schematic diagram for control circuit.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of material-saving high breaking vacuum contactor.
By accompanying drawing 1 as can be known, 1 is vacuum tube among the figure, 2 is support, 3 for rotating connecting lever, 4 is coil, and 5 is tripping spring, and 6 is auxiliary switch, 7 is iron core, 8 is control circuit, and 9 are the pedestal composition, and it is characterized in that: vacuum tube (1) is fixed on support (2) upper end, support (2) is fixed on pedestal (9) upper end simultaneously with rotation connecting lever (3), tripping spring (5) upper end supports rotates in the middle of connecting lever (3) lower end, rotates connecting lever (3) lower end and is fixed on the interior iron plate of pedestal (9), simultaneously, auxiliary switch is fixed on pedestal (9) front end, upper end and rotation connecting lever (3) front end are symmetrical, and in the middle of the iron plate, iron core (7) upper end is symmetrical with the middle lower end of rotation connecting lever (3) in pedestal (9) for iron core (7) insertion coil (4) center fixed, control circuit (8) is combined into the loop with coil (4), is used to connect the Be Controlled circuit.
Fig. 2 is an embodiment of the inner implementation of control circuit of the present utility model.
The power supply A of this control circuit
1, A
2Q-1 is connected with rectifier bridge D1-4 through vacuum contactor auxiliary switch normally closed interlock, and its cathode rectifier a is connected with relay J normally opened contact J-1, the other end and diode D
5, coil Q connects rectifier bridge D1-4 negative pole b end, wherein capacitor C
3Be connected in parallel on both positive and negative polarity a, the b two ends of rectifier bridge D1-4, capacitor C
5And resistance R
3The series connection back is in parallel with coil Q, simultaneously, and resistance R
1And capacitor C
1Parallel connection, an end is connected with relay J, the other end and power supply A
1Connect the relay J other end and power supply A
2Connect resistance R
2, capacitor C
2Be connected in parallel on auxiliary switch Q-1 normally-closed contact two ends, piezo-resistance RV is connected in parallel on power supply A respectively
1, A
2Two ends become the loop.Its operation principle is to work as A
1, A
2During energized, relay J is through resistance R
2, capacitor C
2Action, relay normally open contact J-1 closure, simultaneously, power supply A
1, A
2Through the auxiliary switch normally closed interlock Q-1 of contactor, through rectifier bridge D1-4 rectification, cathode rectifier electric current a is through contact breaker points J-1, again through diode D
5, coil Q is to rectifier bridge negative pole b, make contactor actuating coil Q obtain the full-wave direct current electricity after, the contactor quick pick-up, the auxiliary switch normally closed interlock Q-1 of contactor opens power supply A simultaneously
1, A
2Through resistance R
2, capacitor C
2Current limliting is supplied with coil Q, and finish the big DC start of all-wave to the little direct current of material-saving high breaking vacuum contactor coil Q and kept conversion, thereby, reached normal operation and purpose of energy saving.
When deenergization, A
1, A
2Under-voltage or decompression, relay J quits work, and its relay normally open contact J-1 opens and resets, and cuts off electric current and the continuous current circuit of contactor coil Q, and contactor rapid release under tripping spring promotes quits work, in Fig. 2, C
5, R
3Be the outage surge protection circuit of contactor coil Q, C
4Be the arc-suppression circuit of relay normally open contact J-1, capacitor C
3Be filter circuit, R
2And C
2Be that relay J 220V or 110V rated voltage and power supply A are kept in the current limliting adjusting
1, A
2The voltage matches circuit, piezo-resistance RV suppresses power supply A
1, A
2In-rush current limiting circuit.
Fig. 3 saves the element schematic diagram for control circuit, and Fig. 3 has saved circuit relay electrical equipment J and its matching element resistance R
1, capacitor C
1, C
4And capacitor C
5, resistance R
3, C
3This control circuit adopts relay J work, the vacuum tube contact is fast average release time, does not adopt relay work as this control circuit, the matching element of relay can be omitted to be unworthy of, slightly slow several milliseconds of release time, therefore, the omission of these components and parts can not cause that circuit connecting relation changes, and saves material and the fast purpose of break-time but can reach equally, voltage 36V, the C in this control circuit
2Change electrodeless electric capacity into, electrodeless electric capacity can substitute with two electrochemical capacitor homopolarity series connection and use diode D
5Change voltage-stabiliser tube into, vacuum tube contact break-time is faster.
Claims (5)
1, a kind of material-saving high breaking vacuum contactor is made up of vacuum tube, support, rotation connecting lever, coil, tripping spring, auxiliary switch, iron core, pedestal, it is characterized in that: also comprise a control circuit, the power supply A of this control circuit
1, A
2Touch through the auxiliary normally closed switch of vacuum contactor and to close Q-1 and be connected with rectifier bridge D1-4, its cathode rectifier a is connected with relay J normally opened contact J-1, and the other end is connected rectifier bridge D1-4 negative pole b to be held with diode D5, coil Q, wherein capacitor C
3Be connected in parallel on both positive and negative polarity a, the b two ends of rectifier bridge D1-4, capacitor C
5And resistance R
3The series connection back is in parallel with coil a, simultaneously, and resistance R
1And capacitor C
1Parallel connection, an end is connected with relay J, the other end and power supply A
1Connect the relay J other end and power supply A
2Connect resistance R
2, capacitor C
2Be connected in parallel on the normally-closed contact two ends of auxiliary switch Q-1, the two ends of piezo-resistance RV respectively with power supply A
1, A
2Connect into the loop.
2, material-saving material high breaking vacuum contactor according to claim 1, it is characterized in that: coil Q is the simplex winding coil.
3, material-saving high breaking vacuum contactor according to claim 1 is characterized in that: resistance R
1And capacitor C
1Parallel connection, an end is connected with relay J, the other end and power supply A
1Connect.
4, material-saving high breaking vacuum contactor according to claim 1, it is characterized in that: piezo-resistance RV is connected in parallel on power supply A respectively
1, A
2Two ends.
5, material-saving high breaking vacuum contactor according to claim 1 is characterized in that: saved circuit relay electrical equipment J and its matching element resistance R
1, capacitor C
1, C
4And capacitor C
5, resistance R
3, C
3, save material and the fast purpose of break-time, voltage 36V, the C in this control circuit but can reach equally
2Change electrodeless electric capacity into, electrodeless electric capacity can substitute with two electrochemical capacitor homopolarity series connection and use diode D
5Change voltage-stabiliser tube into, vacuum tube contact break-time is faster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201318435U CN201345312Y (en) | 2008-08-07 | 2008-08-07 | Material-saving vacuum contactor with high breaking capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201318435U CN201345312Y (en) | 2008-08-07 | 2008-08-07 | Material-saving vacuum contactor with high breaking capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345312Y true CN201345312Y (en) | 2009-11-11 |
Family
ID=41276898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201318435U Expired - Fee Related CN201345312Y (en) | 2008-08-07 | 2008-08-07 | Material-saving vacuum contactor with high breaking capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345312Y (en) |
-
2008
- 2008-08-07 CN CNU2008201318435U patent/CN201345312Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 325000, No. 5, building A, salt road, Sha town, Longwan District, Zhejiang, Wenzhou, China Patentee after: Ye Jinlai Address before: 325000, Zhejiang, Wenzhou Province on the top 1 doors, eight groups of 201 rooms Patentee before: Ye Jinlai |
|
| DD01 | Delivery of document by public notice |
Addressee: Ye Jinlai Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20150807 |
|
| EXPY | Termination of patent right or utility model |