CN201038098Y - Single-phase over-voltage safeguard electrical apparatus release - Google Patents
Single-phase over-voltage safeguard electrical apparatus release Download PDFInfo
- Publication number
- CN201038098Y CN201038098Y CNU2007201544874U CN200720154487U CN201038098Y CN 201038098 Y CN201038098 Y CN 201038098Y CN U2007201544874 U CNU2007201544874 U CN U2007201544874U CN 200720154487 U CN200720154487 U CN 200720154487U CN 201038098 Y CN201038098 Y CN 201038098Y
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- CN
- China
- Prior art keywords
- electromagnet
- release
- circuit
- bidirectional triode
- thyristor
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Abstract
The utility model relates to a single-phase overpressure protection release which comprises a release hook, a reset button, an electromagnet and a circuit board. The electromagnet is connected with the circuit board. The electromagnet is connected with the release hook, and the release hook is fixed on a rotating shaft. The reset button is connected with the release hook. The release hook is connected with a release pin of a circuit breaker. The release pin is connected with a switch rod. A capacitance C, thyristor, a bidirectional triode thyristor, a resistor R1, a resistor R2 and a variable resistor R3 are arranged in the circuit board. The R2 and the R3 are in series first and then are parallel connected with the capacitance C, which are connected with the electromagnet. The parallel connection circuit and the resistor R1 are in series. An outside pin of the R1 in series circuit is connected with a cathode of the bidirectional triode thyristor. An inside pin of the R1 is first connected with the thyristor and then connected with a grid of the bidirectional triode thyristor. An anticathode of the bidirectional triode thyristor is connected with the release electromagnet. The utility model has the advantages that different protection voltages are set according to different circuit situation, the power supply is automatically cut down when the protection voltage is over, which has a protection function on the electric appliance.
Description
Technical field
The utility model relates to a kind of single phase circuit protective device, particularly a kind of single-phase superpressure safeguard protection release.
Background technology
At present, the input of single-phase electricity network users generally all uses circuit breaker to cooperate the residual current release, and circuit breaker has only the function of overcurrent protection; The residual current release has overcurrent protection and earth leakage protective effect, but inoperative when the electrical network superpressure.In the actual life, danger is very serious under the situation of electrical network superpressure, and based on above problem, it is necessary to have designed a kind of single-phase superpressure safeguard protection release.
The utility model content
The purpose of this utility model provides a kind of single-phase superpressure safeguard protection release, and it is inoperative when voltage is excessive to overcome existing release commonly used, can not play the shortcoming of protective circuit effect.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of single-phase superpressure safeguard protection release comprises trip dog, reset button, electromagnet and circuit board, and described electromagnet is connected to circuit board, and electromagnet is connected with trip dog, and described trip dog is fixed in the rotating shaft, and reset button is connected with trip dog; Described trip dog is connected with the dropout pin of circuit breaker, takes off lancet and draws being connected with the switch of circuit breaker.
Be provided with capacitor C, thyristor, bidirectional triode thyristor, fixed value resistance R1, R2 and variable resistor R3 in the circuit board, after connecting with R3, R2 is parallel-connected to electromagnet with capacitor C, circuit after the parallel connection is connected with fixed value resistance R1, the outside pin of R1 is connected to the negative electrode of bidirectional triode thyristor in the series circuit, be connected to the grid of bidirectional triode thyristor behind the inboard pin connection thyristor of R1, the anode of bidirectional triode thyristor is connected to release electromagnet.
The beneficial effect of single-phase superpressure safeguard protection release described in the utility model is: can set different protection voltage according to different circuit conditions, get final product automatically cutting off power source when surpassing protection voltage, play the effect of protection electrical appliance.
Description of drawings
With embodiment the utility model is described in further detail with reference to the accompanying drawings below.
Fig. 1 is that single-phase superpressure safeguard protection release described in the utility model is used in combination view with the secondary circuit breaker;
Fig. 2 is the internal structure schematic diagram of single-phase superpressure safeguard protection release described in the utility model;
Fig. 3 is the annexation figure of single-phase superpressure safeguard protection release described in the utility model and secondary circuit breaker;
Fig. 4 is the circuit diagram of single-phase superpressure safeguard protection release described in the utility model.
Among the figure: 1, release; 2, circuit breaker; 3, trip dog; 4, reset button; 5, rotating shaft; 6, circuit board; 7, take off lancet; 8, electromagnet; 9, switch draws handle.
Embodiment
Shown in Fig. 1-4, single-phase superpressure safeguard protection release 1 described in the utility model, comprise trip dog 3, reset button 4, electromagnet 8 and circuit board 6, described electromagnet 8 is connected to circuit board 6, electromagnet 8 is connected with trip dog 3, described trip dog 3 is fixed in the rotating shaft 5, and reset button 4 is connected with trip dog 3; Described trip dog 3 is connected with the dropout pin 7 of circuit breaker 2, takes off lancet 7 and draws with the switch of circuit breaker 2 and be connected 9; Two lead-in wires of the L of release 1 and N are connected with the output of circuit breaker 2.
Be provided with capacitor C, thyristor, bidirectional triode thyristor, fixed value resistance R1, R2 and variable resistor R3 in the circuit board 6, after connecting with R3, R2 is parallel-connected to electromagnet 8 with capacitor C, circuit after the parallel connection is connected with fixed value resistance R1, the outside pin of R1 is connected to the negative electrode of bidirectional triode thyristor in the series circuit, be connected to the grid of bidirectional triode thyristor behind the inboard pin connection thyristor of R1, the anode of bidirectional triode thyristor is connected to release electromagnet 8.Can set protection voltage by variable resistor R3, when voltage surpassed protection voltage, electromagnet 8 motions drove trip dog 3 and rotate, thus control circuit breaker 2 open circuits.Can set different protection voltage according to different circuit conditions, get final product automatically cutting off power source when surpassing protection voltage, play the effect of protection electrical appliance.
Claims (1)
1. single-phase superpressure safeguard protection release, comprise trip dog, reset button, electromagnet and circuit board, it is characterized in that: described electromagnet is connected to circuit board, and electromagnet is connected with trip dog, described trip dog is fixed in the rotating shaft, and reset button is connected with trip dog; Described trip dog is connected with the dropout pin of circuit breaker, takes off lancet and draws being connected with the switch of circuit breaker; Be provided with capacitor C, thyristor, bidirectional triode thyristor, fixed value resistance R1, R2 and variable resistor R3 in the circuit board, after connecting with R3, R2 is parallel-connected to electromagnet with capacitor C, circuit after the parallel connection is connected with fixed value resistance R1, the outside pin of R1 is connected to the negative electrode of bidirectional triode thyristor in the series circuit, be connected to the grid of bidirectional triode thyristor behind the inboard pin connection thyristor of R1, the anode of bidirectional triode thyristor is connected to release electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201544874U CN201038098Y (en) | 2007-05-23 | 2007-05-23 | Single-phase over-voltage safeguard electrical apparatus release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201544874U CN201038098Y (en) | 2007-05-23 | 2007-05-23 | Single-phase over-voltage safeguard electrical apparatus release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201038098Y true CN201038098Y (en) | 2008-03-19 |
Family
ID=39210617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201544874U Expired - Fee Related CN201038098Y (en) | 2007-05-23 | 2007-05-23 | Single-phase over-voltage safeguard electrical apparatus release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201038098Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637559A (en) * | 2012-04-01 | 2012-08-15 | 浙江天正电气股份有限公司 | Overvoltage and undervoltage tripper of small-sized breaker |
-
2007
- 2007-05-23 CN CNU2007201544874U patent/CN201038098Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637559A (en) * | 2012-04-01 | 2012-08-15 | 浙江天正电气股份有限公司 | Overvoltage and undervoltage tripper of small-sized breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20120523 |