CN207200259U - Overvoltage release - Google Patents
Overvoltage release Download PDFInfo
- Publication number
- CN207200259U CN207200259U CN201721189498.6U CN201721189498U CN207200259U CN 207200259 U CN207200259 U CN 207200259U CN 201721189498 U CN201721189498 U CN 201721189498U CN 207200259 U CN207200259 U CN 207200259U
- Authority
- CN
- China
- Prior art keywords
- bridge rectifier
- triode thyristor
- bidirectional triode
- branch road
- overvoltage release
- 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.)
- Expired - Fee Related
Links
Abstract
This practicality is related to a kind of overvoltage release, overvoltage release includes electronic circuit board and executing agency, executing agency includes switching winding L, switching winding L is used for the handle that drive link promotes overvoltage release, electronic circuit board includes bridge rectifier, voltage sampling circuit, gate trigger circuit and bidirectional triode thyristor BT1, the exchange input side L of bridge rectifier, N concatenation switching windings L, the output end concatenation bidirectional triode thyristor BT1 of bridge rectifier, the output end of bridge rectifier also picks out a branch road through resistor voltage divider circuit, resistor voltage divider circuit includes potentiometer W, branch road is through current-limiting resistance R3, bilateral diode DB3 is connected to bidirectional triode thyristor BT1 gate pole.This practicality has the characteristics of simple in construction, cost is low, by the setting of potentiometer, can continuously adjust overvoltage protection value, easy to operate, greatly meets the needs of user.
Description
Technical field
It the utility model is related to a kind of overvoltage release.
Background technology
Because a variety of causes causes line voltage to raise, normal circuit breaker is unable to separating brake, when burning the situation of electrical equipment
There is generation.The electronic circuitry part of traditional overvoltage release, element is numerous and diverse, huge structure, is not easy to adjust overpressure value.
The content of the invention
The defects of the purpose of this utility model is to overcome prior art, there is provided one kind is simple in construction and can continuously adjust
The overvoltage release of overpressure value.
To achieve the above object, the utility model uses such a overvoltage release, and described overvoltage release includes
Electronic circuit board and executing agency, described executing agency include switching winding, and described switching winding pushes away for drive link
The handle of described overvoltage release is moved, described electronic circuit board includes bridge rectifier, voltage sampling circuit, gate pole and touched
Power Generation Road and bidirectional triode thyristor, the switching winding described in the exchange input side concatenation of described bridge rectifier, described bridge
The output end concatenation bidirectional triode thyristor of formula rectification circuit, the output end of described bridge rectifier also connect through resistor voltage divider circuit
Go out a branch road, described resistor voltage divider circuit includes potentiometer, and described branch road is connected to institute through current-limiting resistance, bilateral diode
The gate pole for the bidirectional triode thyristor stated.Compared with the prior art, the beneficial effects of the utility model are embodied in：Pass through above circuit knot
The setting of structure, when the voltage rise of exchange input side, bilateral diode is connected, and bidirectional triode thyristor obtains triggering and conducting, and exchange is defeated
Enter electric current in the switching winding of side to increase, switching winding adhesive, the handle action in executing agency, drive breaker open operation, from
And protect the electrical equipment of circuit breaker load side.The utility model has the characteristics of simple in construction, cost is low, passes through potentiometer
Setting, can continuously adjust overvoltage protection value, it is easy to operate, greatly meet the needs of user.
Particularly, described branch road also includes water conservancy diversion diode and electrochemical capacitor, from described branch road power taking, through described
Water conservancy diversion diode charges to described electrochemical capacitor, and the positive pole of described electrochemical capacitor is connected to the defeated of described bilateral diode
Enter end.By the setting of above circuit structure, the reaction sensitivity of overvoltage release is improved, bidirectional triode thyristor has been effectively ensured
Gate pole reliably trigger.
Particularly, the filtered electric capacity of the gate pole of described bidirectional triode thyristor is connected to ground.By the setting of above circuit structure,
It can prevent interference signal false touch from moving bidirectional triode thyristor, ensure that output protection acts overvoltage release like clockwork.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model overvoltage release.
Embodiment
As shown in figure 1, a kind of overvoltage release, overvoltage release includes electronic circuit board and executing agency, executing agency
Including switching winding L, switching winding L is used for the handle that drive link promotes overvoltage release, and it is whole that electronic circuit board includes bridge-type
Current circuit, voltage sampling circuit, gate trigger circuit and bidirectional triode thyristor BT1, exchange input side L, N string of bridge rectifier
Switching winding L is met, the output end concatenation bidirectional triode thyristor BT1 of bridge rectifier, the output end of bridge rectifier is also through electricity
Resistance bleeder circuit picks out a branch road, and resistor voltage divider circuit includes potentiometer W, and branch road is through current-limiting resistance R3, bilateral diode DB3
It is connected to bidirectional triode thyristor BT1 gate pole.
Branch road also includes water conservancy diversion diode D5 and electrochemical capacitor C1, and from branch road power taking, electrolysis electricity is given through water conservancy diversion diode D5
Hold C1 chargings, electrochemical capacitor C1 positive pole is connected to bilateral diode DB3 input.
The bidirectional triode thyristor BT1 filtered electric capacity C2 of gate pole is connected to ground.
Claims (3)
- A kind of 1. overvoltage release, it is characterised in that：Described overvoltage release includes electronic circuit board and executing agency, described Executing agency include switching winding, described switching winding is used for the handle that drive link promotes described overvoltage release, Described electronic circuit board includes bridge rectifier, voltage sampling circuit, gate trigger circuit and bidirectional triode thyristor, described Switching winding described in the exchange input side concatenation of bridge rectifier, the output end concatenation of described bridge rectifier are two-way Controllable silicon, the output end of described bridge rectifier also pick out a branch road, described electric resistance partial pressure through resistor voltage divider circuit Circuit includes potentiometer, and described branch road is connected to the gate pole of described bidirectional triode thyristor through current-limiting resistance, bilateral diode.
- 2. overvoltage release according to claim 1, it is characterised in that：Described branch road also includes water conservancy diversion diode and electricity Electric capacity is solved, from described branch road power taking, is charged through described water conservancy diversion diode to described electrochemical capacitor, described electrochemical capacitor Positive pole be connected to the input of described bilateral diode.
- 3. overvoltage release according to claim 1 or 2, it is characterised in that：The gate pole of described bidirectional triode thyristor is through filter Ripple electric capacity is connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721189498.6U CN207200259U (en) | 2017-09-16 | 2017-09-16 | Overvoltage release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721189498.6U CN207200259U (en) | 2017-09-16 | 2017-09-16 | Overvoltage release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200259U true CN207200259U (en) | 2018-04-06 |
Family
ID=61789424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721189498.6U Expired - Fee Related CN207200259U (en) | 2017-09-16 | 2017-09-16 | Overvoltage release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207200259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482577A (en) * | 2017-09-16 | 2017-12-15 | 弘乐电气有限公司 | Overvoltage release |
| CN108777896A (en) * | 2018-05-14 | 2018-11-09 | 卫斌鹏 | A kind of energy-saving power supply of LED drivings with overvoltage protection |
-
2017
- 2017-09-16 CN CN201721189498.6U patent/CN207200259U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482577A (en) * | 2017-09-16 | 2017-12-15 | 弘乐电气有限公司 | Overvoltage release |
| CN108777896A (en) * | 2018-05-14 | 2018-11-09 | 卫斌鹏 | A kind of energy-saving power supply of LED drivings with overvoltage protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325600 No. 201 Wei16 Road, Yueqing Economic Development Zone, Yueqing City, Zhejiang Province Patentee after: HONLE GROUP Co.,Ltd. Address before: 325604 Xiangyang Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: HONLE ELECTRIC Co.,Ltd. |
|
| 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: 20180406 |