CN2562473Y - Overvoltage electric power net protector - Google Patents
Overvoltage electric power net protector Download PDFInfo
- Publication number
- CN2562473Y CN2562473Y CN 02237661 CN02237661U CN2562473Y CN 2562473 Y CN2562473 Y CN 2562473Y CN 02237661 CN02237661 CN 02237661 CN 02237661 U CN02237661 U CN 02237661U CN 2562473 Y CN2562473 Y CN 2562473Y
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- model
- protector
- voltage
- breaker
- 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
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a power network over-voltage protector belonging to an electric protection device, which is implemented by arranging a breaker in front of an electric socket and connecting a controller with the control coil of the breaker to control the breaker automatically to shut down when the voltage of the power network exceeds the maximal threshold value. The utility model protects the electric appliances from being burnt due to over-voltage of the power network, ensures the electrical safety of the user, and prevents the economic loss. The protector has low cost and can be afforded by most of people, has a wide market, and is an ideal product for electrical safety in home.
Description
Technical field
The utility model belongs to Protector for using electricity, particularly when line voltage surpasses normal value, can cut off the electricity supply a kind of electrical network overpressure protector of protection power consumption equipment safety automatically.
Technical background
The safety of power consumption equipment and line voltage stable has direct relation, and line voltage is on the low side, and power consumption equipment work is undesired; Line voltage is higher, burns power consumption equipment easily, can adopt the pressure stabilizing device protection in unit, but concerning family, the pressure stabilizing device costliness, purchase is had any problem.
Summary of the invention
The purpose of this utility model provides a kind of electrical network overpressure protector, comprises controller and circuit breaker, it is characterized in that: described controller is at step-down transformer T
1The secondary bridge rectifier that connects, the output negative terminal of rectifier and transistor Q
1Emitter connect, anode is by the control coil and the Q of circuit breaker
1Collector electrode connect, between its collector electrode and base stage and meet the voltage stabilizing didoe D of series connection
1, D
2, base stage is also by C in parallel
2, D
3Be connected with emitter; The primary coil of transformer, R
1Indicator light and thermistor F
1Be connected across after the series connection on the power line of civil power 220V; Described circuit breaker is a relay, and one group contact is connected on the electric network source line, and another group contact connects the socket of electrical appliance.
The model of described bridge rectifier is that PB103M, circuit breaker model are KDC-A07, Q
1Be C2060.
The beneficial effects of the utility model are when as long as line voltage surpasses the highest qualification supply voltage of power consumption equipment; under the control of controller; the circuit breaker automatic disconnection; block power supply; protected the safety of household electrical appliance effectively; the loss of avoiding burning apparatus to cause, or reduce fire generation, protection user's the person and the safety of property.This protector cost of manufacture is low, and general family can both bear, and has bigger consumption market.
Description of drawings
Fig. 1 is electrical network overpressure protector circuit theory diagrams.
Embodiment
Figure 1 shows that electrical network overpressure protector circuit theory diagrams.This electrical network overpressure protector comprises controller and circuit breaker, and its controller 2 is at step-down transformer T
1The secondary bridge rectifier that connects, the output negative terminal of rectifier and transistor Q
1Emitter connect, anode is by the control coil and the Q of circuit breaker 3
1Collector electrode connect, between its collector electrode and base stage and meet the voltage stabilizing didoe D of series connection
1, D
2, Q
1Base stage is also by capacitor C in parallel
2, voltage stabilizing didoe D
3And Q
1Emitter connects; Transformer T
1Primary coil, R
1Indicator light and thermistor F
1Be connected across after the series connection on the power line 1 of civil power 220V; Its circuit breaker 3 is a relay, and one group contact is connected on the electric network source line 1, and another group contact connects the electrical appliance socket.Controller 2 is not worked under normal line voltage, and the contact of circuit breaker 3 is a normally off, when supply voltage is higher than 260V when above, D
1, D
2Conducting, controller work, circuit breaker 3 disconnects, and blocks electric network source, and the protection electrical appliance is not burnt.The model of rectifier is that PB103M, circuit breaker model are KDC-A07, Q in this protector
1Model be C2060.
Claims (2)
1. an electrical network overpressure protector comprises controller and circuit breaker, it is characterized in that: described controller is at step-down transformer T
1The secondary bridge rectifier that connects, the output negative terminal of rectifier and transistor Q
1Emitter connect, anode is by the control coil and the Q of circuit breaker
1Collector electrode connect, between its collector electrode and base stage and meet the voltage stabilizing didoe D of series connection
1, D
2, base stage is also by C in parallel
2, D
3Be connected with emitter; The primary coil of transformer, R
1Indicator light and thermistor F
1Be connected across after the series connection on the power line of civil power 220V; Described circuit breaker is a relay, and one group contact is connected on the electric network source line, and another group contact connects the socket of electrical appliance.
2. according to the described electrical network overpressure protector of claim 1, it is characterized in that: the model of described bridge rectifier is that PB103M, circuit breaker model are KDC-A07, Q
1Model be C2060.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237661 CN2562473Y (en) | 2002-06-24 | 2002-06-24 | Overvoltage electric power net protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237661 CN2562473Y (en) | 2002-06-24 | 2002-06-24 | Overvoltage electric power net protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2562473Y true CN2562473Y (en) | 2003-07-23 |
Family
ID=33711566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237661 Expired - Fee Related CN2562473Y (en) | 2002-06-24 | 2002-06-24 | Overvoltage electric power net protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2562473Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021908A (en) * | 2018-01-10 | 2019-07-16 | Ls产电株式会社 | Protective relay power supplier |
-
2002
- 2002-06-24 CN CN 02237661 patent/CN2562473Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021908A (en) * | 2018-01-10 | 2019-07-16 | Ls产电株式会社 | Protective relay power supplier |
| CN110021908B (en) * | 2018-01-10 | 2021-07-13 | Ls产电株式会社 | Power supply device for protective relay |
| US11689194B2 (en) | 2018-01-10 | 2023-06-27 | Ls Electric Co., Ltd. | Power supply device for protective relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |