CN105207171B - Earth leakage protective device powers on/off control circuit automatically - Google Patents
Earth leakage protective device powers on/off control circuit automatically Download PDFInfo
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- CN105207171B CN105207171B CN201510600530.4A CN201510600530A CN105207171B CN 105207171 B CN105207171 B CN 105207171B CN 201510600530 A CN201510600530 A CN 201510600530A CN 105207171 B CN105207171 B CN 105207171B
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Abstract
The present invention disclose a kind of earth leakage protective device and powered on/off automatically control circuit, including live wire, zero line, ground wire and tripping coil, in addition to rectification circuit, detection control circuit, upper electric coil L2 and powers off coil L1；The upper electric coil L2 of rectification circuit connection one end, the upper electric coil L2 other end are connected with controllable silicon Q1；Detecting control circuit includes the trigger electrode of upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3, upper electricity output end P1 for controlling controllable silicon Q1；Coil L1 one end connection rectification circuit is powered off, the other end is connected with controllable silicon Q2, and electric leakage output end P2 is used for the trigger electrode for controlling controllable silicon Q2.The present invention switches on power, automatic output loading supply voltage；When load is leaked electricity, system automatically cuts off load supplying and plays safeguard protection effect；When loose contact or electric power system power off power supply base for some reason, system will automatically cut off load supplying loop, play full pole and disconnect protection.
Description
Technical field
The present invention relates to earth leakage protective device technical field, more particularly to a kind of earth leakage protective device powers on/off control automatically
Circuit.
Background technology
The main function of the earth leakage protective device of prior art is tripped when running into zero live wire, ground wire electric leakage, disconnecting consumers
Power supply circuit, guarantee electric loading is not charged, protection user life safety, but is the absence of a kind of leakage that can be powered on/off automatically
Non-electricity protector circuit, modern can not be met for earth leakage protective device demand.
The content of the invention
(1) technical problems to be solved
Present invention aim to overcome disadvantages mentioned above, it is desirable to provide a kind of earth leakage protective device powers on/off control automatically
Circuit.
(2) technical scheme
To reach above-mentioned purpose, earth leakage protective device of the invention powers on/off control circuit automatically, including live wire, zero line,
Ground wire and tripping coil, in addition to rectification circuit, detection control circuit, upper electric coil L2 and power-off coil L1；The rectified current
The upper electric coil L2 of road connection one end, the upper electric coil L2 other end are connected with controllable silicon Q1；The detection control circuit includes
Upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3, the upper electricity output end P1 are for controlling touching for controllable silicon Q1
Send out pole；One end connection rectification circuit of the power-off coil L1, the other end are connected with controllable silicon Q2, the electric leakage output end P2 use
In control controllable silicon Q2 trigger electrode.
Further, in addition to switch control module, described switch control module one end are connected with storage capacitor, and the other end connects
Connect power-off coil L1, the dead electricity output end P3 controlling switch control modules.
Further, the switch control module includes triode Q3, Q4 and Q5, and the dead electricity output end P3 is for controlling three
Pole pipe Q4 base stage, the triode Q4 colelctor electrodes are electrically connected with triode Q5 base stages by current-limiting resistance R4；It is described
Triode Q3 base stage connecting triode Q5 colelctor electrodes, two poles of charging isolation are provided between the triode Q3 collector and emitters
Pipe D7.
Further, the switch control module includes triode Q6, Q7, and the dead electricity output end P3 is for controlling triode
Q6 base stage, the base stage of the triode Q7 are electrically connected by current-limiting resistance R5, the triode Q7 colelctor electrodes and hair
Charging isolating diode D8 is provided between emitter-base bandgap grading.
Further, diode D1, electric capacity C2 and resistance R1 in parallel are provided between the controllable silicon Q1 trigger electrodes and negative pole；
Diode D4, electric capacity C5 and resistance R3 in parallel are provided between the controllable silicon Q2 trigger electrodes and negative pole.
Further, the upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3 are equipped with electric capacity or resistance.
(3) beneficial effect
Compared with prior art, technical scheme has advantages below：Switch on power, automatic output loading power supply
Voltage；When load is leaked electricity, system automatically cuts off load supplying and plays safeguard protection effect；When power supply base contacts not for some reason
When good or electric power system powers off, system will automatically cut off load supplying loop, play full pole and disconnect protection, because of protection triggering control
It is single circuit controls, therefore can realizes that wireless remote control extends control function, accomplishes long-range and internet switch control
Using, play anywhere or anytime control load through and off control function.
Brief description of the drawings
The earth leakage protective device that Fig. 1 is the present invention powers on/off the overall structure diagram of control circuit automatically；
The earth leakage protective device that Fig. 2 is the present invention powers on/off the structural representation of embodiment one of control circuit automatically；
The earth leakage protective device that Fig. 3 is the present invention powers on/off the one another structural representation of embodiment of control circuit automatically
Figure；
The earth leakage protective device that Fig. 4 is the present invention powers on/off the structural representation of embodiment two of control circuit automatically；
The earth leakage protective device that Fig. 5 is the present invention powers on/off the two another structural representation of embodiment of control circuit automatically
Figure.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Embodiment one
Control circuit, including live wire L, zero line N, ground wire as shown in figure 1, the earth leakage protective device of the present invention powers on/off automatically
E and tripping coil S1-S2, in addition to rectification circuit, detection control circuit 1, upper electric coil L2 and power-off coil L1；Wherein, it is whole
Current circuit is commutation diode D2, one end of the upper electric coil L2 of rectification circuit connection, upper electric coil L2 other end connection
There is controllable silicon Q1；The detection control circuit 1 includes upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3, described
Upper electricity output end P1 is used for the trigger electrode for controlling controllable silicon Q1；One end connection rectification circuit of the power-off coil L1, the other end
It is connected with controllable silicon Q2, the electric leakage output end P2 and is used for the trigger electrode for controlling controllable silicon Q2.
Also include switch control module 2, described one end of switch control module 2 is connected with storage capacitor C6, other end connection
Power off coil L1, the dead electricity output end P3 controlling switches control module 2.Switch control module 2 turns on, storage capacitor C6 triggerings
Coil L1 is powered off, disconnects electrical apparatus release S1-S2.
As shown in Fig. 2 the switch control module 2 includes triode Q3, Q4 and Q5, the dead electricity output end P3 is for controlling
Triode Q4 processed base stage, the triode Q4 colelctor electrodes are electrically connected with triode Q5 base stages by current-limiting resistance R4；
The triode Q3 base stages connecting triode Q5 colelctor electrodes, charging isolation is provided between the triode Q3 collector and emitters
Diode D7.
The upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3 are equipped with electric capacity or resistance.
Diode D1, electric capacity C2 and resistance R1 in parallel are provided between the controllable silicon Q1 trigger electrodes and negative pole；It is described can
Control and diode D4, electric capacity C5 and resistance R3 in parallel are provided between silicon Q2 trigger electrodes and negative pole.Play protection and eliminate remaining electricity
Stream acts on.
Operation principle of the present invention is as follows：
Automatic upper electricity
220v power supplys are connected, detect electricity output end P1 output control signals in control circuit 1 makes controllable silicon Q1 through electric capacity C1
Conducting, for 220v zero line sides through diode D2 rectifications, electric current enters L2 (upper electric coil), controllable silicon Q1 to systematically (220V/L ends),
Tripping coil s1-s2 synchronizations adhesive and mechanical self-latching, Lo is loaded, No, Eo obtain electricity output；
Leakage tripping
"on" position, when having detected leakage current, detection control circuit 1 leaks electricity output end P2 control signals through electric capacity
C3 turns on controllable silicon Q2, and 220v zero line sides are through diode D2 rectifications, and electric current is through L1 (power-off coil), and controllable silicon Q2 is to systematically
(220V/ zero lines), the s1-s2 synchronizations adhesive of mouth line circle and mechanical release power-off are taken off, loads Lo, No, Eo is without electricity output；
Power failure tripping
"on" position, 220v zero line sides charge through diode D2 rectifications, diode D7 reverse isolations to storage capacitor C6, when
When electric power system power failure is more than preset time, detection control circuit 1 electric leakage output end P2 and dead electricity output end P3 synchronism output controls
Signal processed turns on triode Q3-Q5 through C4, and C6 tank voltages are applied to L1 through Q3 and power off coil through controllable silicon Q2 to systematically
(220V zero lines), the power-off of tripping coil s1-s2 synchronization adhesives mechanical release, loads Lo, No, Eo is without electricity output.
In addition, as shown in figure 3, upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3 can be substituted with resistance
Electric capacity is attached.
Embodiment two
The present embodiment and the structure of embodiment one are essentially identical, and difference is：
As shown in figure 4, the switch control module 2 includes triode Q6, Q7, the dead electricity output end P3 is for controlling three
Pole pipe Q6 base stage, the base stage of the triode Q7 are electrically connected by current-limiting resistance R5, the triode Q7 colelctor electrodes
Charging isolating diode D8 is provided between emitter stage.
The course of work is also identical with embodiment one, unlike, leak electricity output end P2 and dead electricity output end P3 synchronism outputs
Control signal turns on triode Q6, Q7.
Likewise, as shown in figure 5, upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3 can be replaced with resistance
It is attached for electric capacity.
The present invention switches on power, automatic output loading supply voltage；When load is leaked electricity, system automatically cuts off load and supplied
Electricity plays safeguard protection effect；When loose contact or electric power system power off power supply base for some reason, system will automatically cut off load
Current supply circuit, play full pole and disconnect protection.
In summary, the restricted embodiment that it is the present invention that above-mentioned embodiment, which is not, all those skilled in the art
The modification carried out on the basis of the substantive content of the present invention or equivalent deformation, the technology category in the present invention.
Claims (3)
- The control circuit 1. a kind of earth leakage protective device powers on/off automatically, including live wire, zero line, ground wire and tripping coil, its feature It is：Also include rectification circuit, detection control circuit, upper electric coil L2 and power-off coil L1；The positive pole of the rectification circuit connects Connecting to neutral line, one end of the upper electric coil L2 of rectification circuit negative pole connection, the upper electric coil L2 other end are connected with controllable silicon Q1 Positive pole；The detection control circuit includes upper electricity output end P1, electric leakage output end P2 and dead electricity output end P3, the upper electricity output End P1 is used for the trigger electrode for controlling controllable silicon Q1；Controllable silicon Q1 negative pole connection live wire, one end connection of the power-off coil L1 The negative pole of rectification circuit, the other end are connected with controllable silicon Q2 positive pole, and the electric leakage output end P2 is used to control controllable silicon Q2's Trigger electrode；Also include switch control module, described switch control module one end is connected with storage capacitor, other end connection power-off coil L1 one end, the control terminal of the dead electricity output end P3 controlling switch control modules, controllable silicon Q2 negative pole and storage capacitor The other end connects live wire, and diode D1, electric capacity C2 and resistance R1 in parallel are provided between the controllable silicon Q1 trigger electrodes and negative pole； Diode D4, electric capacity C5 and resistance R3 in parallel are provided between the controllable silicon Q2 trigger electrodes and negative pole.
- The control circuit 2. earth leakage protective device as claimed in claim 1 powers on/off automatically, it is characterised in that：The switch control Module includes triode Q3, Q4 and Q5, base stages of the dead electricity output end P3 for controlling triode Q4, the triode Q4 collection Electrode is electrically connected with triode Q5 base stages by current-limiting resistance R4；The triode Q3 base stages connecting triode Q5 current collections Pole, charging isolating diode D7, triode Q5 emitter stage, triode are provided between the triode Q3 collector and emitters Q3 colelctor electrode and charging isolating diode D7 negative pole connect one end of the storage capacitor, charging isolating diode D7's Positive pole connection power-off coil L1 one end, triode Q4 emitter stage connection live wire.
- The control circuit 3. earth leakage protective device as claimed in claim 1 powers on/off automatically, it is characterised in that：The switch control Module includes triode Q6, Q7, base stages of the dead electricity output end P3 for controlling triode Q6, the base stage of the triode Q7 It is electrically connected by current-limiting resistance R5 and triode Q6 colelctor electrode, is set between the triode Q7 collector and emitters There are charging isolating diode D8, triode Q7 emitter stage and charging isolating diode D8 negative pole to connect the storage capacitor One end, charging isolating diode D8 positive pole connection power-off coil L1 one end, triode Q6 emitter stage connection live wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600530.4A CN105207171B (en) | 2015-09-21 | 2015-09-21 | Earth leakage protective device powers on/off control circuit automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600530.4A CN105207171B (en) | 2015-09-21 | 2015-09-21 | Earth leakage protective device powers on/off control circuit automatically |
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| Publication Number | Publication Date |
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| CN105207171A CN105207171A (en) | 2015-12-30 |
| CN105207171B true CN105207171B (en) | 2018-02-06 |
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| CN201510600530.4A Active CN105207171B (en) | 2015-09-21 | 2015-09-21 | Earth leakage protective device powers on/off control circuit automatically |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107328110B (en) * | 2017-07-27 | 2020-06-02 | 浙江新涛电子科技有限公司 | Pulse type water outlet power-off control circuit |
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| CN201004548Y (en) * | 2006-08-15 | 2008-01-09 | 陈成南 | Current leakage protector with zero line breaking protection |
| CN102761096A (en) * | 2011-04-28 | 2012-10-31 | 西门子公司 | Undervoltage-overvoltage protection device and method |
| CN104577971A (en) * | 2014-12-26 | 2015-04-29 | 余姚市嘉荣电子电器有限公司 | Outage trip protection plug |
| CN104661388A (en) * | 2013-11-22 | 2015-05-27 | 深圳市海洋王照明工程有限公司 | Low-voltage time-delay switch control circuit |
| CN204441633U (en) * | 2015-01-28 | 2015-07-01 | 余姚市嘉荣电子电器有限公司 | Possesses the protection plug of power-off tripping operation and superpressure trip avoidance function |
| CN104868443A (en) * | 2015-05-15 | 2015-08-26 | 余姚市嘉荣电子电器有限公司 | Automatic power-on intelligent-type electric leakage protector |
| CN205029317U (en) * | 2015-09-21 | 2016-02-10 | 余姚市嘉荣电子电器有限公司 | Electric electrical shutoff control circuit in earth -leakage protector automation |
-
2015
- 2015-09-21 CN CN201510600530.4A patent/CN105207171B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201004548Y (en) * | 2006-08-15 | 2008-01-09 | 陈成南 | Current leakage protector with zero line breaking protection |
| CN102761096A (en) * | 2011-04-28 | 2012-10-31 | 西门子公司 | Undervoltage-overvoltage protection device and method |
| CN104661388A (en) * | 2013-11-22 | 2015-05-27 | 深圳市海洋王照明工程有限公司 | Low-voltage time-delay switch control circuit |
| CN104577971A (en) * | 2014-12-26 | 2015-04-29 | 余姚市嘉荣电子电器有限公司 | Outage trip protection plug |
| CN204441633U (en) * | 2015-01-28 | 2015-07-01 | 余姚市嘉荣电子电器有限公司 | Possesses the protection plug of power-off tripping operation and superpressure trip avoidance function |
| CN104868443A (en) * | 2015-05-15 | 2015-08-26 | 余姚市嘉荣电子电器有限公司 | Automatic power-on intelligent-type electric leakage protector |
| CN205029317U (en) * | 2015-09-21 | 2016-02-10 | 余姚市嘉荣电子电器有限公司 | Electric electrical shutoff control circuit in earth -leakage protector automation |
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|---|---|
| CN105207171A (en) | 2015-12-30 |
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