CN203312212U - Shunt release capable of being electrically powered sustainably - Google Patents
Shunt release capable of being electrically powered sustainably Download PDFInfo
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- CN203312212U CN203312212U CN2013203483457U CN201320348345U CN203312212U CN 203312212 U CN203312212 U CN 203312212U CN 2013203483457 U CN2013203483457 U CN 2013203483457U CN 201320348345 U CN201320348345 U CN 201320348345U CN 203312212 U CN203312212 U CN 203312212U
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Abstract
The utility model provides a shunt release capable of being electrically powered sustainably. The shunt release capable of being electrically powered sustainably comprises a release and a shunt excitation coil, wherein the shunt excitation coil is connected with the release; the shunt release is provided with a control circuit used for sustainably supplying power for the shunt excitation coil; the control circuit comprises a voltage input circuit, a second voltage-decreasing circuit, a first voltage-decreasing circuit and a voltage-stabilizing circuit; the output end of the first voltage-decreasing circuit is connected with the input end of the second voltage-decreasing circuit; the voltage input circuit is connected with the input end of the first voltage-decreasing circuit; and the voltage-stabilizing circuit is connected with the output end of the second voltage-decreasing circuit and the shunt excitation coil. With the shunt release capable of being electrically powered sustainably adopted, it can be ensured that the shunt excitation coil can be constantly powered under 12V voltage, so the shunt excitation coil works under low voltage, and temperature rise of the shunt excitation coil can be decreased, as a result, the shunt excitation coil will not be burnt out, and at the same time, the release is electrically powered sustainably for a long time, so possible misoperation in the switching off of the release can be avoided.
Description
Technical field
The utility model relates to a kind of shunt release of sustainable energising, belongs to the low tension switch technical field.
Background technology
Shunt release is a kind of annex of remote operation separating brake.When supply voltage equals the arbitrary voltage between the 70%-110% of specified control supply voltage, just can reliable breaking circuit breaker.Shunt release is short time duty, and shunt opening trip coil can only be switched on the short time, and the time burns out once long; So in control loop, will be connected in series the normally closed contact of a circuit breaker, after circuit breaker tripping, cut off the electric current of shunt opening trip coil.Shunt opening trip coil is no longer switched on and has just been avoided the generation of coil scaling loss situation all the time.After circuit breaker fastened lock again, sensitive switch came back to make position.
But shunt opening trip coil is taked the mode of switching in short-term, the phenomenon of false switching again easily appears after separating brake, coil is overheated to be burnt and long-time energising may cause.
The utility model content
In order to solve the deficiency of above-mentioned technology, the purpose of this utility model is to provide a kind of shunt release of sustainable energising, it guarantees long-time when continuing energising, can well reduce again the temperature rise of coil, has namely avoided the misoperation after the release separating brake can reduce the temperature rise of release again.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of shunt release of sustainable energising, it comprises release and shunt opening coil, described shunt opening coil is connected with release, described shunt release is provided with for the shunt opening coil being continued to the control circuit of energising, described control circuit comprises for transferring the input AC electricity to galvanic voltage input circuit, the second reduction voltage circuit for the secondary reduced output voltage, the first reduction voltage circuit and voltage stabilizing circuit for reducing input the second reduction voltage circuit voltage, the output of described the first reduction voltage circuit is connected with the input of the second reduction voltage circuit, described voltage input circuit is connected with the input of the first reduction voltage circuit, described voltage stabilizing circuit is connected with the shunt opening coil with the output of the second reduction voltage circuit respectively.
As preferred a kind of improvement, be provided with switching circuit between the output of the control end of described the first reduction voltage circuit and the second reduction voltage circuit.
As preferred a kind of improvement, described switching circuit adopts optocoupler and device IC1, the triode end of optical coupler IC1 is connected with the control end of power supply chip IC2, the positive pole of the light generator tube of optical coupler IC1 is connected with the negative output terminal of coil L5, and the negative pole of the light generator tube of optical coupler IC1 is connected with voltage stabilizing circuit.
As preferred a kind of improvement, described the second reduction voltage circuit adopts coil L5, and the input of coil L5 connects respectively output and the power cathode of the first reduction voltage circuit, and the output of coil L5 connects the shunt opening coil.
As preferred a kind of improvement, described the first reduction voltage circuit adopts power supply chip IC2, and the output of power supply chip IC2 is connected with the input of coil L5, and the input of power supply chip IC2 is connected with voltage input circuit.
As preferred a kind of improvement, series inductance L4, diode D8 and resistance R 1 successively between the control end of described power supply chip IC2 and the negative output terminal of voltage input circuit.
As preferred a kind of improvement, described voltage stabilizing circuit adopts clamp diode D9, and the negative electrode of clamp diode D9 is connected with the negative pole of the light generator tube of optocoupler and device IC1, and the anode of clamp diode D9 is connected with the output of reduction voltage circuit.
As preferred a kind of improvement, electrochemical capacitor C6 in parallel between the output of described coil L5.
As preferred a kind of improvement, clamp diode D5 and diode D6 that between the input of described coil L5, negative electrode in parallel connects.
The beneficial effects of the utility model are, by voltage input circuit by after alternating current 220V rectifying and wave-filtering, power supply chip by the first reduction voltage circuit reduces input voltage again, and input voltage is input to the second reduction voltage circuit, make the voltage of coil output after the coil lock is counted step-down of the second reduction voltage circuit, and by the clamp diode in voltage stabilizing circuit, the out-put supply voltage stabilizing is exported to 12V, guarantee that the shunt opening coil is in 12V power voltage supply state always, low voltage operating, reduced the temperature rise of shunt opening coil, make it reliably not there will be the phenomenon of burning, the misoperation that long-time lasting energising has simultaneously avoided release may occur when separating brake.
The accompanying drawing explanation
Fig. 1 is based on sustainable alive circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Referring to Fig. 1, the utility model comprises release and shunt opening coil 6, described shunt opening coil 6 is connected with release, described shunt release is provided with for shunt opening coil 6 being continued to the control circuit of energising, described control circuit comprises for the input AC electricity being transferred to galvanic voltage input circuit 1, the second reduction voltage circuit 3 for the secondary reduced output voltage, the first reduction voltage circuit 2 and voltage stabilizing circuit 5 for reducing input the second reduction voltage circuit 3 voltages, the output of described the first reduction voltage circuit 2 is connected with the input of the second reduction voltage circuit 3, described voltage input circuit 1 is connected with the input of the first reduction voltage circuit 2, described voltage stabilizing circuit 5 is connected with shunt opening coil 6 with the output of the second reduction voltage circuit 3 respectively,
Described the second reduction voltage circuit 3 adopts coil L5, and the input of coil L5 connects respectively output and the power cathode of the first reduction voltage circuit 2, and the output of coil L5 connects respectively shunt opening coil 6 and switching circuit 4;
Described the first reduction voltage circuit 2 adopts power supply chip IC2, and the output of power supply chip IC2 is connected with the input of coil L5, and the input of power supply chip IC2 is connected with voltage input circuit 1, and the control end of power supply chip IC2 is connected with the input of switching circuit 4;
Described switching circuit 4 adopts optocoupler and device IC1, the triode end of optical coupler IC1 is connected with the control end of power supply chip IC2, the positive pole of the light generator tube of optical coupler IC1 is connected with the negative output terminal of coil L5, and the negative pole of the light generator tube of optical coupler IC1 is connected with voltage stabilizing circuit 5;
Described voltage stabilizing circuit 5 adopts clamp diode D9, and the negative electrode of clamp diode D9 is connected with the negative pole of the light generator tube of optocoupler and device IC1, and the anode of clamp diode D9 is connected with the output of reduction voltage circuit 3.
Series resistance R2 between the collector electrode of the triode end of described optical coupler IC1 and the control end of power supply chip IC2.Between the collector electrode of the triode end of described optical coupler IC1 and the control end of power supply chip IC2, drop-down electric capacity connects the negative output terminal of voltage input circuit 1.Series inductance L4, diode D8 and resistance R 1 successively between the negative output terminal of the control end of described power supply chip IC2 and voltage input circuit 1.Described voltage input circuit 1 consists of rectifier bridge D1 and filter capacitor.Electrochemical capacitor C6 in parallel between the output of described coil L5, play delayed startup by electrochemical capacitor C6 to the voltage of inputting shunt opening coil 6.Clamp diode D5 and diode D6 that between the input of described coil L5, negative electrode in parallel connects, clamp diode D5 is by the lower voltage of input coil L5.
Alternating current 220V exports direct current after capacitor C 1 and rectifier bridge D1 filter rectification, passing through electrochemical capacitor C2 filtering, the input of the direct input coil L5 of its positive output end, its negative output terminal is connected with 2 pin with 1 pin of power supply chip IC2, 5 of power supply chip IC2, 6, 7, 8 pin output voltages, by the input at coil L5, form pressure drop, make the input of coil L5 form an electric power loop, and reduce the input voltage of the input of coil L5, coil L5 adopts the lock be applicable to count ratio, step-down by coil L5 reduces input voltage again, in the output of the output by coil L5, and the control end of power supply chip IC2 is connected with switching circuit 4, 3 pin of power supply chip IC2 are connected with the emitter of the triode end of optical coupler IC1, and by capacitor C 3 ground connection filtering, guarantee the stability of signal, after the 4 pin series resistance R2 of power supply chip IC2, connect the collector electrode of the triode end of optical coupler IC1, it is by capacitor C 4 and electrochemical capacitor C5 ground connection, carry out filtering, guarantee the stability of signal output, the 3 pin output low levels of power supply chip IC2, its 4 pin output high level, make the triode end conducting of optical coupler IC1, order about the light generator tube conducting of optical coupler IC1, the output line circle of guaranteeing coil L5 forms loop, thereby make coil L5 work, voltage after output reduces, and the voltage stabilizing circuit 5 be connected with reduction voltage circuit 3, D9 is stabilized in 12V by power supply by clamp diode, output 12V voltage is to shunt opening coil 6, make shunt opening coil 6 continue energising.
Owing to adopting the low-voltage energising, the energy consumption that it can effectively reduce shunt opening coil 6, reduce the temperature rise of shunt opening coil 6, guarantees the reliability of shunt opening coil 6, solved the deficiency that shunt opening coil 6 is burnt in long-time energising in the past, it,, by shunt opening coil 6 is continued to energising, can, in the release separating brake, maintain the stability of separating brake simultaneously, not there will be in the past logical in short-term, after the electricity product is not threaded off and product is threaded off, release outage, the phenomenon that product can also close a floodgate again.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (9)
1. the shunt release of a sustainable energising, it comprises release and shunt opening coil (6), described shunt opening coil (6) is connected with release, it is characterized in that: described shunt release is provided with for shunt opening coil (6) being continued to the control circuit of energising, described control circuit comprises for the input AC electricity being transferred to galvanic voltage input circuit (1), the second reduction voltage circuit (3) for the secondary reduced output voltage, the first reduction voltage circuit (2) and voltage stabilizing circuit (5) for reducing input the second reduction voltage circuit (3) voltage, the output of described the first reduction voltage circuit (2) is connected with the input of the second reduction voltage circuit (3), described voltage input circuit (1) is connected with the input of the first reduction voltage circuit (2), described voltage stabilizing circuit (5) is connected with shunt opening coil (6) with the output of the second reduction voltage circuit (3) respectively.
2. the shunt release of sustainable energising according to claim 1, is characterized in that, is provided with switching circuit (4) between the output of the control end of described the first reduction voltage circuit (2) and the second reduction voltage circuit (3).
3. the shunt release of sustainable energising according to claim 2, it is characterized in that, described switching circuit (4) adopts optocoupler and device IC1, the triode end of optical coupler IC1 is connected with the control end of power supply chip IC2, the positive pole of the light generator tube of optical coupler IC1 is connected with the negative output terminal of coil L5, and the negative pole of the light generator tube of optical coupler IC1 is connected with voltage stabilizing circuit (5).
4. the shunt release of sustainable energising according to claim 1, it is characterized in that, described the second reduction voltage circuit (3) adopts coil L5, and the input of coil L5 connects respectively output and the power cathode of the first reduction voltage circuit (2), and the output of coil L5 connects shunt opening coil (6).
5. the shunt release of sustainable energising according to claim 1, it is characterized in that, described the first reduction voltage circuit (2) adopts power supply chip IC2, and the output of power supply chip IC2 is connected with the input of coil L5, and the input of power supply chip IC2 is connected with voltage input circuit (1).
6. the shunt release of sustainable energising according to claim 5, is characterized in that, series inductance L4, diode D8 and resistance R 1 successively between the negative output terminal of the control end of described power supply chip IC2 and voltage input circuit (1).
7. the shunt release of sustainable energising according to claim 1, it is characterized in that, described voltage stabilizing circuit (5) adopts clamp diode D9, the negative electrode of clamp diode D9 is connected with the negative pole of the light generator tube of optocoupler and device IC1, and the anode of clamp diode D9 is connected with the output of the second reduction voltage circuit (3).
8. the shunt release of sustainable energising according to claim 1, is characterized in that, electrochemical capacitor C6 in parallel between the output of described coil L5.
9. the shunt release of sustainable energising according to claim 1, is characterized in that, clamp diode D5 and diode D6 that between the input of described coil L5, negative electrode in parallel connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203483457U CN203312212U (en) | 2013-06-18 | 2013-06-18 | Shunt release capable of being electrically powered sustainably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203483457U CN203312212U (en) | 2013-06-18 | 2013-06-18 | Shunt release capable of being electrically powered sustainably |
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| Publication Number | Publication Date |
|---|---|
| CN203312212U true CN203312212U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203483457U Expired - Fee Related CN203312212U (en) | 2013-06-18 | 2013-06-18 | Shunt release capable of being electrically powered sustainably |
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| CN (1) | CN203312212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346045A (en) * | 2013-06-18 | 2013-10-09 | 浙江南电电气有限公司 | Shunt release capable of being continuously energized |
-
2013
- 2013-06-18 CN CN2013203483457U patent/CN203312212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346045A (en) * | 2013-06-18 | 2013-10-09 | 浙江南电电气有限公司 | Shunt release capable of being continuously energized |
| CN103346045B (en) * | 2013-06-18 | 2015-09-16 | 浙江南电电气有限公司 | The shunt release of sustainable energising |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160618 |