CN205029317U - Electric electrical shutoff control circuit in earth -leakage protector automation - Google Patents
Electric electrical shutoff control circuit in earth -leakage protector automation Download PDFInfo
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- CN205029317U CN205029317U CN201520731246.6U CN201520731246U CN205029317U CN 205029317 U CN205029317 U CN 205029317U CN 201520731246 U CN201520731246 U CN 201520731246U CN 205029317 U CN205029317 U CN 205029317U
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Abstract
The utility model discloses an electric electrical shutoff control circuit in earth -leakage protector automation, including live wire, zero line, ground wire and trip coil, still include rectifier circuit, detect control circuit, go up electric coil L2 and outage coil L1, electric coil L2's one end in the rectifier circuit connection, the other end of going up electric coil L2 is connected with silicon controlled rectifier Q1, detect control circuit and include electrical output P1, leak electrical output P2 and lose electrical output P3, go up the ignite that electrical output P1 is used for controlling silicon controlled rectifier Q1, rectifier circuit is connected to outage coil L1's one end, and the other end is connected with silicon controlled rectifier Q2, leaks the ignite that electrical output P2 is used for controlling silicon controlled rectifier Q2. The utility model discloses the switch on, automatically output load mains voltage, when the load took place the electric leakage, the safety protection effect was played in system automatic cutout load power supply, when power supply socket for some reason during the outage of contact failure or power supply system, the system plays the all -pole disconnection protection with automatic cutout load power supply loop.
Description
Technical field
The utility model relates to earth leakage protective device technical field, and particularly a kind of earth leakage protective device powers on/off control circuit automatically.
Background technology
The Main Function of the earth leakage protective device of prior art is; the tripping operation when running into zero live wire, ground wire electric leakage; disconnecting consumers power supply circuits; guarantee electric loading is not charged; protection user life safety; but lack a kind of circuit for electric leakage protector that can automatically power on/off, modern cannot be met for earth leakage protective device demand.
Utility model content
(1) technical problem that will solve
The purpose of this utility model will overcome above-mentioned shortcoming exactly, aims to provide a kind of earth leakage protective device and automatically to power on/off control circuit.
(2) technical scheme
For achieving the above object, earth leakage protective device of the present utility model powers on/off control circuit automatically, comprises live wire, zero line, ground wire and tripping coil, also comprises rectification circuit, detection control circuit, upper electric coil L2 and power-off coil L1; Described rectification circuit connects one end of upper electric coil L2, and the other end of upper electric coil L2 is connected with controllable silicon Q1; Described detection control circuit comprise the output P1 that powers on, electric leakage output P2 and dead electricity output P3, described in power on output P1 for controlling the trigger electrode of controllable silicon Q1; One end of described power-off coil L1 connects rectification circuit, and the other end is connected with controllable silicon Q2, and described electric leakage output P2 is for controlling the trigger electrode of controllable silicon Q2.
Further, also comprise switch control module, described switch control module one end is connected with storage capacitor, and the other end connects power-off coil L1, described dead electricity output P3 control switch control module.
Further, described switch control module comprises triode Q3, Q4 and Q5, and described dead electricity output P3 is for controlling the base stage of triode Q4, and described triode Q4 collector electrode and triode Q5 base stage are electrically connected by current-limiting resistance R4; Described triode Q3 base stage connecting triode Q5 collector electrode, is provided with charging isolating diode D7 between described triode Q3 collector and emitter.
Further, described switch control module comprises triode Q6, Q7, described dead electricity output P3 is for controlling the base stage of triode Q6, and the base stage of described triode Q7 is electrically connected by current-limiting resistance R5, is provided with charging isolating diode D8 between described triode Q7 collector and emitter.
Further, diode D1, electric capacity C2 in parallel and resistance R1 is provided with between described controllable silicon Q1 trigger electrode and negative pole; Diode D4, electric capacity C5 in parallel and resistance R3 is provided with between described controllable silicon Q2 trigger electrode and negative pole.
Further, power on described in output P1, electric leakage output P2 and dead electricity output P3 be equipped with electric capacity or resistance.
(3) beneficial effect
Compared with prior art, the technical solution of the utility model has the following advantages: switch on power, automatic output loading supply voltage; When electric leakage occurs in load, system is automatically cut off load supplying and is played safeguard protection effect; When power supply base for some reason loose contact or electric power system power-off time; system will cut off load supplying loop automatically; play full pole and disconnect protection; because protection trigging control is all single circuit controls; therefore wireless remote control expansion controlling functions can be realized; accomplish switch control rule application that is long-range and the Internet, play the controlling functions of control load through and off anywhere or anytime.
Accompanying drawing explanation
Fig. 1 is that earth leakage protective device of the present utility model powers on/off the overall structure schematic diagram of control circuit automatically;
Fig. 2 is that earth leakage protective device of the present utility model powers on/off embodiment one structural representation of control circuit automatically;
Fig. 3 is that earth leakage protective device of the present utility model powers on/off the another kind of structural representation of embodiment one of control circuit automatically;
Fig. 4 is that earth leakage protective device of the present utility model powers on/off embodiment two structural representation of control circuit automatically;
Fig. 5 is that earth leakage protective device of the present utility model powers on/off the another kind of structural representation of embodiment two of control circuit automatically.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Embodiment one
As shown in Figure 1, earth leakage protective device of the present utility model powers on/off control circuit automatically, comprises live wire L, zero line N, ground wire E and tripping coil S1-S2, also comprises rectification circuit, detection control circuit 1, upper electric coil L2 and power-off coil L1; Wherein, rectification circuit is rectifier diode D2, and described rectification circuit connects one end of upper electric coil L2, and the other end of upper electric coil L2 is connected with controllable silicon Q1; Described detection control circuit 1 comprise the output P1 that powers on, electric leakage output P2 and dead electricity output P3, described in power on output P1 for controlling the trigger electrode of controllable silicon Q1; One end of described power-off coil L1 connects rectification circuit, and the other end is connected with controllable silicon Q2, and described electric leakage output P2 is for controlling the trigger electrode of controllable silicon Q2.
Also comprise switch control module 2, described switch control module 2 one end is connected with storage capacitor C6, and the other end connects power-off coil L1, described dead electricity output P3 control switch control module 2.Switch control module 2 conducting, storage capacitor C6 triggers power-off coil L1, and release S1-S2 is disconnected.
As shown in Figure 2, described switch control module 2 comprises triode Q3, Q4 and Q5, and described dead electricity output P3 is for controlling the base stage of triode Q4, and described triode Q4 collector electrode and triode Q5 base stage are electrically connected by current-limiting resistance R4; Described triode Q3 base stage connecting triode Q5 collector electrode, is provided with charging isolating diode D7 between described triode Q3 collector and emitter.
The described output P1 that powers on, electric leakage output P2 and dead electricity output P3 are equipped with electric capacity or resistance.
Diode D1, electric capacity C2 in parallel and resistance R1 is provided with between described controllable silicon Q1 trigger electrode and negative pole; Diode D4, electric capacity C5 in parallel and resistance R3 is provided with between described controllable silicon Q2 trigger electrode and negative pole.Play protection and eliminate residual current effect.
Utility model works principle is as follows:
Automatically power on
Connect 220v power supply, detection control circuit 1 power on output P1 export control signal make controllable silicon Q1 conducting through electric capacity C1,220v zero line side is through diode D2 rectification, electric current enters L2 (upper electric coil), controllable silicon Q1 to systematically (220V/L end), the synchronous adhesive of tripping coil s1-s2 mechanical self-latching, load Lo, No, Eo obtain electricity and export;
Leakage tripping
"on" position, when leakage current having been detected, detection control circuit 1 output P2 control signal of leaking electricity makes controllable silicon Q2 conducting through electric capacity C3,220v zero line side is through diode D2 rectification, and electric current is through L1 (power-off coil), and controllable silicon Q2 is to systematically (220V/ live wire end), take off the synchronous adhesive of mouth coil s1-s2 and mechanical release power-off, load Lo, No, Eo export without electricity;
Power failure tripping
"on" position, 220v zero line side is through diode D2 rectification, diode D7 reverse isolation is charged to storage capacitor C6, when electric power system have a power failure be greater than Preset Time time, leak electricity output P2 and dead electricity output P3 synchronism output control signal of detection control circuit 1 makes triode Q3-Q5 conducting through C4, and C6 tank voltage is applied to L1 power-off coil through controllable silicon Q2 to systematically (220V live wire end) through Q3, the power-off of tripping coil s1-s2 synchronous adhesive mechanical release, load Lo, No, Eo export without electricity.
In addition, as shown in Figure 3, power on output P1, electric leakage output P2 can substitute electric capacity with resistance with dead electricity output P3 and be connected.
Embodiment two
The present embodiment is substantially identical with embodiment one structure, and difference is:
As shown in Figure 4, described switch control module 2 comprises triode Q6, Q7, described dead electricity output P3 is for controlling the base stage of triode Q6, the base stage of described triode Q7 is electrically connected by current-limiting resistance R5, is provided with charging isolating diode D8 between described triode Q7 collector and emitter.
The course of work is also identical with embodiment one, unlike, electric leakage output P2 and dead electricity output P3 synchronism output control signal make triode Q6, Q7 conducting.
Same, as shown in Figure 5, the output P1 that powers on, electric leakage output P2 can substitute electric capacity with resistance with dead electricity output P3 and be connected.
The utility model switches on power, automatic output loading supply voltage; When electric leakage occurs in load, system is automatically cut off load supplying and is played safeguard protection effect; When power supply base for some reason loose contact or electric power system power-off time, system will cut off load supplying loop automatically, play full pole disconnect protection.
In sum, above-mentioned execution mode is not restricted execution mode of the present utility model, and the modification that all those skilled in the art carry out on the basis of flesh and blood of the present utility model or equivalent deformation, all at technology category of the present utility model.
Claims (6)
1. earth leakage protective device powers on/off a control circuit automatically, comprises live wire, zero line, ground wire and tripping coil, it is characterized in that: also comprise rectification circuit, detection control circuit, upper electric coil L2 and power-off coil L1; Described rectification circuit connects one end of upper electric coil L2, and the other end of upper electric coil L2 is connected with controllable silicon Q1; Described detection control circuit comprise the output P1 that powers on, electric leakage output P2 and dead electricity output P3, described in power on output P1 for controlling the trigger electrode of controllable silicon Q1; One end of described power-off coil L1 connects rectification circuit, and the other end is connected with controllable silicon Q2, and described electric leakage output P2 is for controlling the trigger electrode of controllable silicon Q2.
2. earth leakage protective device as claimed in claim 1 powers on/off control circuit automatically; it is characterized in that: also comprise switch control module; described switch control module one end is connected with storage capacitor, and the other end connects power-off coil L1, described dead electricity output P3 control switch control module.
3. earth leakage protective device as claimed in claim 2 powers on/off control circuit automatically, it is characterized in that: described switch control module comprises triode Q3, Q4 and Q5, described dead electricity output P3 is for controlling the base stage of triode Q4, and described triode Q4 collector electrode and triode Q5 base stage are electrically connected by current-limiting resistance R4; Described triode Q3 base stage connecting triode Q5 collector electrode, is provided with charging isolating diode D7 between described triode Q3 collector and emitter.
4. earth leakage protective device as claimed in claim 2 powers on/off control circuit automatically; it is characterized in that: described switch control module comprises triode Q6, Q7; described dead electricity output P3 is for controlling the base stage of triode Q6; the base stage of described triode Q7 is electrically connected by current-limiting resistance R5, is provided with charging isolating diode D8 between described triode Q7 collector and emitter.
5. the earth leakage protective device as described in any one of claim 1-4 powers on/off control circuit automatically, it is characterized in that: be provided with diode D1, electric capacity C2 in parallel and resistance R1 between described controllable silicon Q1 trigger electrode and negative pole; Diode D4, electric capacity C5 in parallel and resistance R3 is provided with between described controllable silicon Q2 trigger electrode and negative pole.
6. the earth leakage protective device as described in any one of claim 1-4 powers on/off control circuit automatically, it is characterized in that: described in power on output P1, electric leakage output P2 and dead electricity output P3 be equipped with electric capacity or resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520731246.6U CN205029317U (en) | 2015-09-21 | 2015-09-21 | Electric electrical shutoff control circuit in earth -leakage protector automation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520731246.6U CN205029317U (en) | 2015-09-21 | 2015-09-21 | Electric electrical shutoff control circuit in earth -leakage protector automation |
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| CN205029317U true CN205029317U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520731246.6U Active CN205029317U (en) | 2015-09-21 | 2015-09-21 | Electric electrical shutoff control circuit in earth -leakage protector automation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207171A (en) * | 2015-09-21 | 2015-12-30 | 余姚市嘉荣电子电器有限公司 | Automatic power-on and power-off control circuit for electric leakage protector |
| CN106711938A (en) * | 2016-12-27 | 2017-05-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
-
2015
- 2015-09-21 CN CN201520731246.6U patent/CN205029317U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207171A (en) * | 2015-09-21 | 2015-12-30 | 余姚市嘉荣电子电器有限公司 | Automatic power-on and power-off control circuit for electric leakage protector |
| CN105207171B (en) * | 2015-09-21 | 2018-02-06 | 余姚市嘉荣电子电器有限公司 | Earth leakage protective device powers on/off control circuit automatically |
| CN106711938A (en) * | 2016-12-27 | 2017-05-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
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