CN205595887U - Be applied to two power supply handle circuit of intelligent electric leakage integrated protection ware - Google Patents
Be applied to two power supply handle circuit of intelligent electric leakage integrated protection ware Download PDFInfo
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- CN205595887U CN205595887U CN201620333668.2U CN201620333668U CN205595887U CN 205595887 U CN205595887 U CN 205595887U CN 201620333668 U CN201620333668 U CN 201620333668U CN 205595887 U CN205595887 U CN 205595887U
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- rectifier bridge
- transformer
- power supply
- resistance
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Abstract
The utility model belongs to the technical field of earth -leakage protector, a be applied to two power supply handle circuit of intelligent electric leakage integrated protection ware, by transformer TR1, three -phase alternating current output, electric leakage circuit breaker output H, mutual -inductor, rectifier bridge, switch tube Q1, steady voltage chip, resistors, a serial communication port, transformer TR1 is connected with three -phase alternating current output A looks, electric leakage circuit breaker output H elementarily respectively, the secondary of transformer TR1 is connected with ballast bridge BR4's AC input respectively, the mutual -inductor includes the 1st mutual -inductor L1, the 2nd mutual -inductor L2, the 3rd mutual -inductor L3, the rectifier bridge includes the 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd rectifier bridge BR3, the 4th rectifier bridge BR4, the steady voltage chip includes the 1st steady voltage chip U1, the 2nd steady voltage chip U2. The utility model discloses a two power supply handle circuit can produce induced -current when circuit breaker inside has load current to flow through, power supply circuit provides the energy for the circuit breaker.
Description
Technical field
This utility model relates to earth leakage protective device technical field, is specifically related to one and is applied to intelligent electric leakage comprehensively
The power supply processing circuit of protector.
Background technology
The switch of energy auto-action when RCCB is that in circuit, leakage current exceedes predetermined value.In order to be able to allow Lou
Each ingredient within electrical circuit breakers normally works, and needs to arrange a Power convert therein and processes electricity
Road.It is simple that the Power convert of existing product processes circuit structure, and the mode only with transformer pressure-reducing is powered,
Increase the loss of power supply and the limitation of power supply.The power supply of common transformer buck only starts at chopper
Time power, when transformator because of life-time service heating lost efficacy time, earth leakage protective device will because power supply damage and stop
Intelligent protection function, thus cause fault, there is security incident.
Utility model content
The purpose of this utility model is to provide a kind of dual power supply being applied to intelligent leakage comprehensive protector and processes
Circuit, it is possible to produce faradic current circuit breaker internal has load current to flow through when, for chopper power supply electricity
Road provides energy, effectively solves because step-down transformer inefficacy causes chopper not have power supply to power out-of-work
Problem.
This utility model is by the following technical solutions: a kind of dual power supply being applied to intelligent leakage comprehensive protector
Process circuit, by transformator TR1, three-phase alternating current outfan, RCCB outfan H, transformer,
Rectifier bridge, switching tube Q1, voltage stabilizing chip, resistance form；The primary of described transformator TR1 respectively with three-phase
Alternating current output terminals A phase, RCCB outfan H connect, the secondary of described transformator TR1 respectively with town
The ac input end of stream bridge BR4 connects.
Described transformer includes the 1st transformer L1, the 2nd transformer L2, the 3rd transformer L3, the described 1st
Transformer L1, the 2nd transformer L2, the 3rd transformer L3 primary respectively with three-phase alternating current A phase, B phase,
The outfan H of C phase and RCCB connects, described 1st transformer L1, the 2nd transformer L2, the 3rd
The secondary of transformer L3 ac input end with ballast bridge BR1, BR2, BR3 respectively is connected.
Described rectifier bridge include the 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd rectifier bridge BR3, the 4th
Rectifier bridge BR4, described 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd rectifier bridge BR3 exchange defeated
Enter end to be connected with the 1st transformer L1, the 2nd transformer L2, the secondary of the 3rd transformer L3 respectively, described the
1 rectifier bridge BR1, the 2nd rectifier bridge BR2, the DC output end of the 3rd rectifier bridge BR3 and the first voltage stabilizing chip
The 3rd foot VI of U1 connects, the ac input end of described 4th rectifier bridge BR4 and the secondary cascade of transformator TR1
Connecing, the described DC output end of the 4th rectifier bridge BR4 is connected with the 3rd foot of switching tube Q1.
1st foot of described switching tube Q1 and the 3rd foot VI of the second voltage stabilizing chip U2 connect, described switching tube
2nd foot of Q1 and one end of the 4th resistance R4 connect, the 3rd foot of described switching tube Q1 and ballast bridge BR4
DC output end connect.
Described voltage stabilizing chip includes the 1st voltage stabilizing chip U1, the 2nd voltage stabilizing chip U2, described 1st voltage stabilizing chip
One end of the 1st foot VO and the 5th resistance R5 of U1 connects, the 2nd foot GND of described 1st voltage stabilizing chip U1
Be connected to ground, the 3rd foot VI and the 1st rectifier bridge BR1 of described 1st voltage stabilizing chip U1, the 2nd rectifier bridge BR2,
The DC output end of the 3rd rectifier bridge BR3 connects；The 1st foot VO of described 2nd voltage stabilizing chip U2 and the 6th electricity
One end of resistance R6 connects, and the 2nd foot GND of described 2nd voltage stabilizing chip U2 is connected to ground, described 2nd voltage stabilizing
1st foot of the 3rd foot VI and the switching tube Q1 of chip U2 is connected.
Described resistance include the 1st resistance R1, the 2nd resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th
Resistance R5, the 6th resistance R6, one end of described 1st resistance R1 and one end of the 2nd resistance R2 are respectively with
One end of 3 resistance R3 connects, the other end of described 1st resistance R1 and the direct current output of the 4th rectifier bridge BR4
End connects, and the other end of described 2nd resistance R2 is connected to ground, the other end of described 3rd resistance R3 and monolithic
23rd foot RA1 of machine control module MCU connects, the of one end of described 4th resistance R4 and switching tube Q1
2 feet connect, and the described other end of the 4th resistance R4 is connected with the 24th foot RAD of single chip control module MCU,
One end of described 5th resistance R5 is connected with the 1st foot VO of the 1st voltage stabilizing chip U1, described 5th resistance R5
The other end and one end of the 6th resistance R6 connect, and with the 22nd foot RA2 of single chip control module MCU even
Connect.
The model of described voltage stabilizing chip U1, U2 is LM7805.
The model of described single chip control module MCU is PIC18F67K90.
The beneficial effects of the utility model are:
This utility model uses dual power supply to process circuit, simple in construction, and design transformer can be at circuit breaker internal
Produce faradic current when of having load current to flow through, voltage can be closed after transformer step-down circuit starts defeated
Go out, use the electric current inductive power supply of three-phase current instead, it is achieved thereby that self-powered, make RCCB power supply power consumption
Minimum；Can effectively solve ask out-of-work because step-down transformer inefficacy causes chopper not have power supply to power
Topic, persistently provides energy for circuit breaker electric source circuit；Use simultaneously passive power supply mode to chopper continued power,
Decrease the MCU Instruction interference that power supply disturbance brings, be effectively increased reliability that chopper powers, anti-dry
Immunity and stability.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model.
Fig. 2 is the pin configuration schematic diagram of this utility model single chip control module MCU.
Detailed description of the invention
Below in conjunction with Fig. 1, Fig. 2, the utility model will be further described.
According to Fig. 1, Fig. 2, this utility model by the following technical solutions: one is applied to intelligent electric leakage and combines
The dual power supply closing protector processes circuit, defeated by transformator TR1, three-phase alternating current outfan, RCCB
Go out to hold H, transformer, rectifier bridge, switching tube Q1, voltage stabilizing chip, resistance to form；Described transformator TR1's
Primary is connected with three-phase alternating current output terminals A phase, RCCB outfan H respectively, described transformator TR1
Secondary ac input end with ballast bridge BR4 respectively be connected.
Described transformer includes the 1st transformer L1, the 2nd transformer L2, the 3rd transformer L3, the described 1st
Transformer L1, the 2nd transformer L2, the 3rd transformer L3 primary respectively with three-phase alternating current A phase, B phase,
The outfan H of C phase and RCCB connects, described 1st transformer L1, the 2nd transformer L2, the 3rd
The secondary of transformer L3 ac input end with ballast bridge BR1, BR2, BR3 respectively is connected.
Described rectifier bridge include the 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd rectifier bridge BR3, the 4th
Rectifier bridge BR4, described 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd rectifier bridge BR3 exchange defeated
Enter end to be connected with the 1st transformer L1, the 2nd transformer L2, the secondary of the 3rd transformer L3 respectively, described the
1 rectifier bridge BR1, the 2nd rectifier bridge BR2, the DC output end of the 3rd rectifier bridge BR3 and the first voltage stabilizing chip
The 3rd foot VI of U1 connects, the ac input end of described 4th rectifier bridge BR4 and the secondary cascade of transformator TR1
Connecing, the described DC output end of the 4th rectifier bridge BR4 is connected with the 3rd foot of switching tube Q1.
1st foot of described switching tube Q1 and the 3rd foot VI of the second voltage stabilizing chip U2 connect, described switching tube
2nd foot of Q1 and one end of the 4th resistance R4 connect, the 3rd foot of described switching tube Q1 and ballast bridge BR4
DC output end connect.
Described voltage stabilizing chip includes the 1st voltage stabilizing chip U1, the 2nd voltage stabilizing chip U2, described 1st voltage stabilizing chip
One end of the 1st foot VO and the 5th resistance R5 of U1 connects, the 2nd foot GND of described 1st voltage stabilizing chip U1
Be connected to ground, the 3rd foot VI and the 1st rectifier bridge BR1 of described 1st voltage stabilizing chip U1, the 2nd rectifier bridge BR2,
The DC output end of the 3rd rectifier bridge BR3 connects；The 1st foot VO of described 2nd voltage stabilizing chip U2 and the 6th electricity
One end of resistance R6 connects, and the 2nd foot GND of described 2nd voltage stabilizing chip U2 is connected to ground, described 2nd voltage stabilizing
1st foot of the 3rd foot VI and the switching tube Q1 of chip U2 is connected.
Described resistance include the 1st resistance R1, the 2nd resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th
Resistance R5, the 6th resistance R6, one end of described 1st resistance R1 and one end of the 2nd resistance R2 are respectively with
One end of 3 resistance R3 connects, the other end of described 1st resistance R1 and the direct current output of the 4th rectifier bridge BR4
End connects, and the other end of described 2nd resistance R2 is connected to ground, the other end of described 3rd resistance R3 and monolithic
23rd foot RA1 of machine control module MCU connects, the of one end of described 4th resistance R4 and switching tube Q1
2 feet connect, and the described other end of the 4th resistance R4 is connected with the 24th foot RAD of single chip control module MCU,
One end of described 5th resistance R5 is connected with the 1st foot VO of the 1st voltage stabilizing chip U1, described 5th resistance R5
The other end and one end of the 6th resistance R6 connect, and with the 22nd foot RA2 of single chip control module MCU even
Connect.
The model of described voltage stabilizing chip U1, U2 is LM7805.
The model of described single chip control module MCU is PIC18F67K90.
The beneficial effects of the utility model are:
This utility model uses dual power supply to process circuit, simple in construction, and design transformer can be at circuit breaker internal
Produce faradic current when of having load current to flow through, voltage can be closed after transformer step-down circuit starts defeated
Go out, use the electric current inductive power supply of three-phase current instead, it is achieved thereby that self-powered, make RCCB power supply power consumption
Minimum；Can effectively solve ask out-of-work because step-down transformer inefficacy causes chopper not have power supply to power
Topic, persistently provides energy for circuit breaker electric source circuit；Use simultaneously passive power supply mode to chopper continued power,
Decrease the MCU Instruction interference that power supply disturbance brings, be effectively increased reliability that chopper powers, anti-dry
Immunity and stability.
Claims (10)
1. the dual power supply being applied to intelligent leakage comprehensive protector processes a circuit, by transformator TR1, three-phase
Alternating current outfan, RCCB outfan H, transformer, rectifier bridge, switching tube Q1, voltage stabilizing core
Sheet, resistance form, it is characterised in that the primary of described transformator TR1 exports with three-phase alternating current respectively
End A phase, RCCB outfan H connect, the secondary of described transformator TR1 respectively with ballast bridge BR4
Ac input end connect.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 1 processes electricity
Road, it is characterised in that described transformer includes the 1st transformer L1, the 2nd transformer L2, the 3rd mutual
Sensor L3.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 2 processes electricity
Road, it is characterised in that at the beginning of described 1st transformer L1, the 2nd transformer L2, the 3rd transformer L3
Level outfan H with three-phase alternating current A phase, B phase, C phase and RCCB respectively is connected, described
1st transformer L1, the 2nd transformer L2, the 3rd transformer L3 secondary respectively with ballast bridge BR1,
The ac input end of BR2, BR3 connects.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 1 processes electricity
Road, it is characterised in that described rectifier bridge include the 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd
Rectifier bridge BR3, the 4th rectifier bridge BR4.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 4 processes electricity
Road, it is characterised in that described 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd rectifier bridge BR3
Ac input end respectively with the 1st transformer L1, the 2nd transformer L2, the secondary of the 3rd transformer L3
Connect, described 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the direct current output of the 3rd rectifier bridge BR3
End is connected with the 3rd foot VI of the first voltage stabilizing chip U1.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 1 processes electricity
Road, it is characterised in that the 1st foot of described switching tube Q1 and the 3rd foot VI of the second voltage stabilizing chip U2
Connecting, the 2nd foot of described switching tube Q1 and one end of the 4th resistance R4 connect, described switching tube Q1
The 3rd foot be connected with the DC output end of ballast bridge BR4.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 1 processes electricity
Road, it is characterised in that described voltage stabilizing chip includes the 1st voltage stabilizing chip U1, the 2nd voltage stabilizing chip U2.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 7 processes electricity
Road, it is characterised in that the 1st foot VO of described 1st voltage stabilizing chip U1 and one end of the 5th resistance R5
Connecting, the 2nd foot GND of described 1st voltage stabilizing chip U1 is connected to ground, described 1st voltage stabilizing chip U1
The 3rd foot VI and the 1st rectifier bridge BR1, the 2nd rectifier bridge BR2, the 3rd rectifier bridge BR3 direct current defeated
Go out end to connect.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 7 processes electricity
Road, it is characterised in that the 1st foot VO of described 2nd voltage stabilizing chip U2 and one end of the 6th resistance R6
Connecting, the 2nd foot GND of described 2nd voltage stabilizing chip U2 is connected to ground, described 2nd voltage stabilizing chip U2
The 1st foot of the 3rd foot VI and switching tube Q1 be connected.
A kind of dual power supply being applied to intelligent leakage comprehensive protector the most according to claim 1 processes electricity
Road, it is characterised in that described resistance include the 1st resistance R1, the 2nd resistance R2, the 3rd resistance R3,
4th resistance R4, the 5th resistance R5, the 6th resistance R6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333668.2U CN205595887U (en) | 2016-04-15 | 2016-04-15 | Be applied to two power supply handle circuit of intelligent electric leakage integrated protection ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333668.2U CN205595887U (en) | 2016-04-15 | 2016-04-15 | Be applied to two power supply handle circuit of intelligent electric leakage integrated protection ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205595887U true CN205595887U (en) | 2016-09-21 |
Family
ID=56934515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620333668.2U Expired - Fee Related CN205595887U (en) | 2016-04-15 | 2016-04-15 | Be applied to two power supply handle circuit of intelligent electric leakage integrated protection ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205595887U (en) |
-
2016
- 2016-04-15 CN CN201620333668.2U patent/CN205595887U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20210415 |