CN201359979Y - Residual current circuit breaker with automatic reclosing function - Google Patents
Residual current circuit breaker with automatic reclosing function Download PDFInfo
- Publication number
- CN201359979Y CN201359979Y CNU2009200357206U CN200920035720U CN201359979Y CN 201359979 Y CN201359979 Y CN 201359979Y CN U2009200357206 U CNU2009200357206 U CN U2009200357206U CN 200920035720 U CN200920035720 U CN 200920035720U CN 201359979 Y CN201359979 Y CN 201359979Y
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- CN
- China
- Prior art keywords
- residual current
- circuit breaker
- current circuit
- motor
- actuating mechanism
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- Expired - Fee Related
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Abstract
The utility model discloses a residual current circuit breaker with automatic reclosing function for low-voltage electrical equipment, wherein, a leakage detection circuit and an actuating mechanism action circuit are arranged in the residual current circuit breaker, an electric actuating mechanism is fixed on the outer seal cover of the residual current circuit breaker, a controller is fixed on the electric actuating mechanism, both a slide block and an electric motor are installed on the electric actuating mechanism, the slide block is clamped on a handle on the residual current circuit breaker, the electric motor is connected to an operating handle on the residual current circuit breaker through a gear transmission mechanism, and a microprocessor mounted on the controller is connected to an electric actuating mechanism action circuit of the electric motor, the leakage detection circuit and the actuating mechanism action circuit respectively. When leakage fault occurs in a circuit, the residual current circuit breaker automatically trips, and through logical judgment, the intelligent controller can enable the electric actuating mechanism to automatically reclose the residual current circuit breaker, thereby enabling the circuit to automatically resume power supply. With the intelligent controller collecting and judging fault, the power network can be guarded without human assistance.
Description
Technical field
The utility model relates to low voltage electrical equipment, relates in particular to the residual current circuit breaker that is applied in the low voltage electrical equipment, is mainly used in the earth leakage protective of main line in the rural power grids.
Background technology
At present, the residual current circuit breaker inside that is applied in the low voltage electrical equipment has short circuit and overload protecting circuit, has creepage protection function, when leak current fault takes place, and the circuit breaker automatic trip.Its defective is: residual current circuit breaker can not adjusted according to the circuit situation after setting a kind of electric leakage parameter voluntarily, in case after leak current fault generation and circuit breaker trip are arranged, need the electrician to carry out closing operation to power distribution room is manual, wastes time and energy.
Summary of the invention
The purpose of this utility model is for overcoming the deficiencies in the prior art, a kind of novel residual current circuit breaker is provided, not only have short circuit and overload protection and creepage protection function, also having the automatic reclosing function.
The technical solution adopted in the utility model is: residual current circuit breaker inside comprises electric-leakage detection circuit and actuator's actuating circuit, and motor-operating mechanism is fixed on the outer seal of residual current circuit breaker, and controller is fixed on the motor-operating mechanism; Slide block and motor are installed on motor-operating mechanism, slide block is stuck on the handle on the residual current circuit breaker, motor connects operating grip on the residual current circuit breaker by gear drive, is installed in electrically operated institution actuating circuit, electric-leakage detection circuit and actuator's actuating circuit that microprocessor on the controller connects motor respectively.
The beneficial effects of the utility model are:
1, after leak current fault occurring in the circuit, the residual current circuit breaker automatic trip, intelligent controller can be according to logic determines, and the control motor-operating mechanism carries out the automatic reclosing operation to residual current circuit breaker, makes circuit be able to automatic recovery of power supply.
2, intelligent controller can be gathered and judges fault, can realize the electrical network unattended function.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is the exploded perspective schematic diagram of Fig. 1.
Fig. 3 is the peripheral connection diagram of microprocessor 12 among Fig. 2.
Among the figure: 1. residual current circuit breaker; 2. motor-operating mechanism; 3. controller; 4. handle; 5. operating grip; 6. notch; 7. slide block; 8. hole; 9. hole; 10. support; 11. motor; 12. microprocessor.
Embodiment
Form by residual current circuit breaker 1, motor-operating mechanism 2 and intelligent controller 3 as Fig. 1 the utility model.Wherein residual current circuit breaker 1 inside comprises electric-leakage detection circuit and actuator's actuating circuit, and electric-leakage detection circuit comprises zero sequence current mutual inductor and zero sequence current mutual inductor, and zero sequence current mutual inductor and zero sequence current mutual inductor are used for leakage current signal is sampled.Motor-operating mechanism 2 is fixed on the outer seal of residual current circuit breaker 1, and intelligent controller 3 is fixed on the motor-operating mechanism 2.
As Fig. 2, on residual current circuit breaker 1, be provided with handle 4, operating grip 5 and notch 6.On motor-operating mechanism 2, be provided with slide block 7, hole 8, support 10 and motor 11, wherein, slide block 7 is the bending structure, and slide block 7 is stuck on the handle 4 on the residual current circuit breaker 1, can come the handle 4 on the back operations residual current circuit breaker 1, to reach residual current circuit breaker 1 separating brake, combined floodgate, to detain operating function again.Motor 11 is by the operating grip 5 on the gear drive connection residual current circuit breaker 1.
As Fig. 3, microprocessor 12 is installed on the intelligent controller 3, and microprocessor 12 connects electrically operated institution actuating circuit, the electric-leakage detection circuit in the residual current circuit breaker 1 and actuator's actuating circuit of motor 11 respectively.Intelligent controller 3 as key control unit, is handled the actuator of electric leakage signal, control motor-operating mechanism 2 and residual current circuit breaker 1 inside by microprocessor 12.Actuator's actuating circuit receives the signal of telecommunication from intelligent controller 3, promotes residual current circuit breaker 1 tripping operation by it.
Zero sequence current mutual inductor and zero sequence current mutual inductor are used for leakage current signal is sampled, and through the notch 6 on residual current circuit breaker 1 outer seal signal of telecommunication are passed to intelligent controller 3 by lead.Motor-operating mechanism 2 is fixed on residual current circuit breaker 1 outer seal by four holes 8, and intelligent controller 3 is fixing with the support 10 on the motor-operating mechanism 2 by four jiaos hole 9.
The utility model only needs original residual current circuit breaker 1 is carried out, in circuit, break down, after residual current circuit breaker 1 automatic trip, intelligent controller 3 is according to time and fault type, in conjunction with pre-set program, after microprocessor 12 analysis and judgement, send instruction to motor-operating mechanism 2, by giving motor 11 energisings, stir operating grip 5 on the residual current circuit breaker 1 through gear drive, by the mode that promotes back and forth residual current circuit breaker 1 is closed a floodgate again, thereby circuit is restored electricity again, this process need not artificial participation, carries out automation control by intelligent controller 3 fully, has therefore realized unattended function.
Claims (2)
1, a kind of residual current circuit breaker with the automatic reclosing function, residual current circuit breaker (1) inside comprises electric-leakage detection circuit and actuator's actuating circuit, it is characterized in that: motor-operating mechanism (2) is fixed on the outer seal of residual current circuit breaker (1), and controller (3) is fixed on the motor-operating mechanism (2); Go up installation slide block (7) and motor (11) at motor-operating mechanism (2), slide block (7) is stuck on the handle (4) on the residual current circuit breaker (1), motor (11) is by the operating grip (5) on the gear drive connection residual current circuit breaker (1), and the microprocessor (12) that is installed on the controller (3) connects electrically operated institution actuating circuit, electric-leakage detection circuit and actuator's actuating circuit respectively.
2, the residual current circuit breaker of band automatic reclosing function according to claim 1, it is characterized in that: motor-operating mechanism (2) is fixed on residual current circuit breaker (1) outer seal by four holes (8), and controller (3) is fixing with the support (10) on the motor-operating mechanism (2) by four jiaos hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200357206U CN201359979Y (en) | 2009-03-18 | 2009-03-18 | Residual current circuit breaker with automatic reclosing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200357206U CN201359979Y (en) | 2009-03-18 | 2009-03-18 | Residual current circuit breaker with automatic reclosing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359979Y true CN201359979Y (en) | 2009-12-09 |
Family
ID=41425745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200357206U Expired - Fee Related CN201359979Y (en) | 2009-03-18 | 2009-03-18 | Residual current circuit breaker with automatic reclosing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359979Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882544A (en) * | 2010-06-10 | 2010-11-10 | 厦门大恒科技有限公司 | Air switch with functions of delayed releasing and automatic reclosing |
| CN105895464A (en) * | 2012-07-27 | 2016-08-24 | 赵牧青 | Residual current circuit breaker having automatic closing function |
-
2009
- 2009-03-18 CN CNU2009200357206U patent/CN201359979Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882544A (en) * | 2010-06-10 | 2010-11-10 | 厦门大恒科技有限公司 | Air switch with functions of delayed releasing and automatic reclosing |
| CN105895464A (en) * | 2012-07-27 | 2016-08-24 | 赵牧青 | Residual current circuit breaker having automatic closing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20170318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |