CN204967780U - Three -phase residual current circuit breaker circuit - Google Patents
Three -phase residual current circuit breaker circuit Download PDFInfo
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- CN204967780U CN204967780U CN201520552888.XU CN201520552888U CN204967780U CN 204967780 U CN204967780 U CN 204967780U CN 201520552888 U CN201520552888 U CN 201520552888U CN 204967780 U CN204967780 U CN 204967780U
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Abstract
The utility model relates to a circuit, in particular to three -phase residual current circuit breaker circuit. Characterized by: the one end that three -phase alternating current A looks input passes through third diode and action actuators machanism coil links to each other, the one end that three -phase alternating current B looks input passes through fourth diode and action actuators machanism coil links to each other, the other end and the silicon controlled rectifier positive pole of action actuators machanism coil link to each other, the other end of action actuators machanism coil is continuous through first resistance and M54123L integrated circuit's 8 feet, three -phase alternating current B looks input is through the 5th diode, the 6th diode and three -phase alternating current C looks input link to each other, meet a piezo -resistor between three -phase alternating current A looks input and the three -phase alternating current B looks input, meet the 2nd piezo -resistor between three -phase alternating current B looks input and the three -phase alternating current C looks input, meet the 3rd piezo -resistor between three -phase alternating current A looks input and the three -phase alternating current C looks input. Due to the adoption of the technical scheme, the utility model discloses the advantage and the positive effect that have are: therefore, the clothes hanger is strong in practicability.
Description
Technical field
The utility model relates to a kind of circuit, particularly a kind of three-phase gfci circuit.
Background technology
At present; the three-phase electric leakage protection switch that market generally uses; in fact wherein two-phase electricity is just connected; other one is actually mutually and is not connected on three-phase electric leakage protection switch, and such three-phase electric leakage protection switch is actually defective, if be not connected to other one on three-phase electric leakage protection switch have electricity mutually; this time produces electric leakage; cause three-phase electric leakage protection switch just can not work, will damage the person and equipment like this, bring loss to the lives and properties of people.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of three-phase gfci circuit, and when a phase electric leakage any in three-phase alternating current, this leakage protection switch circuit also can normally work.
The utility model solves the technical scheme that its technical problem adopts: the utility model is by three-phase alternating current A phase input, three-phase alternating current B phase input, three-phase alternating current C phase input, action actuating mechanism coil, first piezo-resistance, second piezo-resistance, 3rd piezo-resistance, instrument transformer, M54123L integrated circuit, bridge rectifier, first resistance, 3rd resistance, 4th resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, 8th electric capacity, voltage stabilizing didoe, first diode, second diode, 3rd diode, 4th diode, 5th diode, 6th diode and controllable silicon composition, it is characterized in that: three-phase alternating current A phase input is connected with one end of action actuating mechanism coil by the 3rd diode, three-phase alternating current B phase input is connected with one end of action actuating mechanism coil by the 4th diode, the other end of action actuating mechanism coil is connected with controllable silicon anode, the other end of action actuating mechanism coil is connected with 8 pin of M54123L integrated circuit by the first resistance, and three-phase alternating current B phase input is by the 5th diode, 6th diode is connected with three-phase alternating current C phase input, indirect first piezo-resistance of three-phase alternating current A phase input and three-phase alternating current B phase input, indirect second piezo-resistance of three-phase alternating current B phase input and three-phase alternating current C phase input, indirect 3rd piezo-resistance of three-phase alternating current A phase input and three-phase alternating current C phase input, three-phase alternating current C phase input is connected with 3 pin of M54123L integrated circuit by the 6th diode, and 8 pin of M54123L integrated circuit are by the first electric capacity in parallel, voltage stabilizing didoe is connected with 3 pin of M54123L integrated circuit, and 3 pin of M54123L integrated circuit are connected with 1 pin of M54123L integrated circuit by the 5th electric capacity, instrument transformer, first diode, second diode, 7th electric capacity, one end after 3rd resistor coupled in parallel is connected with 1 pin of M54123L integrated circuit, the other end is connected with 2 pin of M54123L integrated circuit by the 4th resistance, 1 pin of M54123L integrated circuit is connected with 2 pin of M54123L integrated circuit by the 6th electric capacity, be connected with silicon controlled negative electrode by the 4th electric capacity after 4 pin of M54123L integrated circuit are connected with 5 pin of M54123L integrated circuit, silicon controlled is controlled pole and is connected with 6 pin of M54123L integrated circuit by the 3rd electric capacity, silicon controlled controls pole and is connected with 7 pin of M54123L integrated circuit, silicon controlled is controlled pole and is connected with silicon controlled negative electrode by the second electric capacity, and 1 pin of M54123L integrated circuit is by the 3rd resistance, 8th electric capacity is connected with silicon controlled negative electrode.
Owing to adopting technique scheme, the advantage that the utility model has and good effect are: practical.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is circuit theory diagrams of the present utility model.
L1. three-phase alternating current A phase input in figure, L2. three-phase alternating current B phase input, L3. three-phase alternating current C phase input, DCT. action actuating mechanism coil, RV1. the first piezo-resistance, RV2. the second piezo-resistance, RV3. the 3rd piezo-resistance, ZCT. instrument transformer, U1.M54123L integrated circuit, U2. bridge rectifier, R1. the first resistance, R3. the 3rd resistance, R4. the 4th resistance, C1. the first electric capacity, C2. the second electric capacity, C3. the 3rd electric capacity, C4. the 4th electric capacity, C5. the 5th electric capacity, C6. the 6th electric capacity, C7. the 7th electric capacity, C8. the 8th electric capacity, D1. voltage stabilizing didoe, Q1. the first diode, Q2. the second diode, Q3. the 3rd diode, Q4. the 4th diode, Q5. the 5th diode, Q6. the 6th diode, P1. controllable silicon.
Embodiment
In FIG, three-phase alternating current A phase input (L1) is connected with one end of action actuating mechanism coil (DCT) by the 3rd diode (Q3), three-phase alternating current B phase input (L2) is connected with one end of action actuating mechanism coil (DCT) by the 4th diode (Q4), the other end of action actuating mechanism coil (DCT) is connected with controllable silicon (P1) anode, the other end of action actuating mechanism coil (DCT) is connected with 8 pin of M54123L integrated circuit (U1) by the first resistance (R1), three-phase alternating current B phase input (L2) is by the 5th diode (Q5), 6th diode (Q6) is connected with three-phase alternating current C phase input (L3), indirect first piezo-resistance (RV1) of three-phase alternating current A phase input (L1) and three-phase alternating current B phase input (L2), indirect second piezo-resistance (RV2) of three-phase alternating current B phase input (L2) and three-phase alternating current C phase input (L3), indirect 3rd piezo-resistance (RV3) of three-phase alternating current A phase input (L1) and three-phase alternating current C phase input (L3), three-phase alternating current C phase input (L3) is connected with 3 pin of M54123L integrated circuit (U1) by the 6th diode (Q6), 8 pin of M54123L integrated circuit (U1) are by the first electric capacity (C1) in parallel, voltage stabilizing didoe (D1) is connected with 3 pin of M54123L integrated circuit (U1), 3 pin of M54123L integrated circuit (U1) are connected with 1 pin of M54123L integrated circuit (U1) by the 5th electric capacity (C5), instrument transformer (ZCT), first diode (Q1), second diode (Q2), 7th electric capacity (C7), one end after 3rd resistance (R3) parallel connection is connected with 1 pin of M54123L integrated circuit (U1), the other end is connected with 2 pin of M54123L integrated circuit (U1) by the 4th resistance (R4), 1 pin of M54123L integrated circuit (U1) is connected with 2 pin of M54123L integrated circuit (U1) by the 6th electric capacity (C6), 4 pin of M54123L integrated circuit (U1) are connected with 5 pin of M54123L integrated circuit (U1) and are connected with the negative electrode of controllable silicon (P1) by the 4th electric capacity (C4) afterwards, the control pole of controllable silicon (P1) is connected with 6 pin of M54123L integrated circuit (U1) by the 3rd electric capacity (C3), the control pole of controllable silicon (P1) is connected with 7 pin of M54123L integrated circuit (U1), the control pole of controllable silicon (P1) is connected with the negative electrode of controllable silicon (P1) by the second electric capacity (C2), 1 pin of M54123L integrated circuit (U1) is by the 3rd resistance (R3), 8th electric capacity (C8) is connected with the negative electrode of controllable silicon (P1).
Operation principle of the present utility model is: the first piezo-resistance (RV1), the second piezo-resistance (RV2), the 3rd piezo-resistance (RV3) are three protection class piezo-resistances; when have be struck by lightning from outside time; these three piezo-resistances can play a very good protection; 3rd diode (Q3), the 4th diode (Q4), the 5th diode (Q5), the 6th diode (Q6) are 4 power supply input rectifier diodes, by outside input AC conversion be direct current backward polar circuit power.In time having electric leakage, this electric leakage signal passes through instrument transformer (ZCT) by sample of signal, this electric leakage signal is changed into the detection signal needed for M54123L integrated circuit (U1), first diode (Q1), second diode (Q2) shields, anti-stop signal excessive damage M54123L integrated circuit (U1), 3rd resistance (R3) is sample resistance, be used to the signal that instrument transformer (ZCT) is responded to be changed into the signal magnitude needed for M54123L integrated circuit (U1) detection, usual theory is just used to the element of regulation electric leakage operating value.6th electric capacity (C6), the 7th electric capacity (C7) play jamproof effect, after electric leakage signal is by instrument transformer (ZCT) and sample resistance the 3rd resistance (R3), this signal can be inputed to M54123L integrated circuit (U1) by 1 pin of M54123L integrated circuit (U1).Voltage stabilizing didoe (D1) and the first electric capacity (C1) two elements have been voltage stabilizing and filter action, and the 3rd electric capacity (C3) plays Anti-Jamming.6th resistance (R6), 7th resistance (R7), 4th electric capacity (C4) forms charge-discharge circuit, time delay is completed by this circuit exactly, when the output time of 4 pin of M54123L integrated circuit (U1) is enough long, reach and make 5 pin voltages of M54123L integrated circuit (U1) enough high, 5 pin of M54123L integrated circuit (U1) can by this signal latch, a drive singal is exported by 7 pin of M54123L integrated circuit (U1), when 7 pin of M54123L integrated circuit (U1) export high level time, controllable silicon (P1) conducting, there is provided big current will to this time action actuating mechanism coil (DCT), when the electric current passed through in action actuating mechanism coil (DCT) exceedes rated current time, this action actuating mechanism will action by power cut-off, play the protective effect to the person and power consumption equipment, wherein play Anti-Jamming time the second electric capacity (C2).
Claims (1)
1. a three-phase gfci circuit, by three-phase alternating current A phase input, three-phase alternating current B phase input, three-phase alternating current C phase input, action actuating mechanism coil, first piezo-resistance, second piezo-resistance, 3rd piezo-resistance, instrument transformer, M54123L integrated circuit, bridge rectifier, first resistance, 3rd resistance, 4th resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, 8th electric capacity, voltage stabilizing didoe, first diode, second diode, 3rd diode, 4th diode, 5th diode, 6th diode and controllable silicon composition, it is characterized in that: three-phase alternating current A phase input (L1) is connected with one end of action actuating mechanism coil (DCT) by the 3rd diode (Q3), three-phase alternating current B phase input (L2) is connected with one end of action actuating mechanism coil (DCT) by the 4th diode (Q4), the other end of action actuating mechanism coil (DCT) is connected with controllable silicon (P1) anode, the other end of action actuating mechanism coil (DCT) is connected with 8 pin of M54123L integrated circuit (U1) by the first resistance (R1), and three-phase alternating current B phase input (L2) is by the 5th diode (Q5), 6th diode (Q6) is connected with three-phase alternating current C phase input (L3), indirect first piezo-resistance (RV1) of three-phase alternating current A phase input (L1) and three-phase alternating current B phase input (L2), indirect second piezo-resistance (RV2) of three-phase alternating current B phase input (L2) and three-phase alternating current C phase input (L3), indirect 3rd piezo-resistance (RV3) of three-phase alternating current A phase input (L1) and three-phase alternating current C phase input (L3), three-phase alternating current C phase input (L3) is connected with 3 pin of M54123L integrated circuit (U1) by the 6th diode (Q6), 8 pin of M54123L integrated circuit (U1) are by the first electric capacity (C1) in parallel, voltage stabilizing didoe (D1) is connected with 3 pin of M54123L integrated circuit (U1), 3 pin of M54123L integrated circuit (U1) are connected with 1 pin of M54123L integrated circuit (U1) by the 5th electric capacity (C5), instrument transformer (ZCT), first diode (Q1), second diode (Q2), 7th electric capacity (C7), one end after 3rd resistance (R3) parallel connection is connected with 1 pin of M54123L integrated circuit (U1), the other end is connected with 2 pin of M54123L integrated circuit (U1) by the 4th resistance (R4), 1 pin of M54123L integrated circuit (U1) is connected with 2 pin of M54123L integrated circuit (U1) by the 6th electric capacity (C6), 4 pin of M54123L integrated circuit (U1) are connected with 5 pin of M54123L integrated circuit (U1) and are connected with the negative electrode of controllable silicon (P1) by the 4th electric capacity (C4) afterwards, the control pole of controllable silicon (P1) is connected with 6 pin of M54123L integrated circuit (U1) by the 3rd electric capacity (C3), the control pole of controllable silicon (P1) is connected with 7 pin of M54123L integrated circuit (U1), the control pole of controllable silicon (P1) is connected with the negative electrode of controllable silicon (P1) by the second electric capacity (C2), 1 pin of M54123L integrated circuit (U1) is by the 3rd resistance (R3), 8th electric capacity (C8) is connected with the negative electrode of controllable silicon (P1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520552888.XU CN204967780U (en) | 2015-07-28 | 2015-07-28 | Three -phase residual current circuit breaker circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520552888.XU CN204967780U (en) | 2015-07-28 | 2015-07-28 | Three -phase residual current circuit breaker circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204967780U true CN204967780U (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520552888.XU Active CN204967780U (en) | 2015-07-28 | 2015-07-28 | Three -phase residual current circuit breaker circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204967780U (en) |
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2015
- 2015-07-28 CN CN201520552888.XU patent/CN204967780U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214112, Xindu Road, industrial town, Wuxi New District, Wuxi, Jiangsu, 10 Patentee after: Wuxi Wanji Science and Technology Co., Ltd. Address before: 214000 Jiangsu city in Wuxi Province, Wuxi national hi tech Industrial Development Zone Meicun Town Industrial Zone Xindu Road No. 10 Patentee before: WUXI WANJI TECHNOLOGY CO., LTD. |