CN205725042U - Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit - Google Patents
Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit Download PDFInfo
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- CN205725042U CN205725042U CN201620401689.3U CN201620401689U CN205725042U CN 205725042 U CN205725042 U CN 205725042U CN 201620401689 U CN201620401689 U CN 201620401689U CN 205725042 U CN205725042 U CN 205725042U
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- electric automobile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
nullA kind of electric automobile charging pile accessory power supply 12V、24V compatibility charging circuit，Belong to charging electric vehicle technical field，12V、The positive pole of 24V power supply accesses circuit，By 12V，24V power supply is coupled with two ports of relay J，12V power supply gives tacit consent to normally closed output，Resistance R1 is current sampling resistor，Deliver to chip U1 through resistance R5 identify，Reaction port T be electric automobile access normal time feedback signal，When detecting that having electric current or reaction port T end to have on resistance R1 represents when charging normal signal of electric automobile access，The electric automobile representing this access is that 12V power supply is powered，If can't detect above-mentioned signal，Then chip U1 passes through resistance R4，Relay J is controlled by field effect transistor Q1，By 12V, power supply is switched to 24V be powered，Detect above-mentioned signal again，It is little that this circuit has volume、Lightweight，Charge safe and reliable，12V can be provided、24V voltage compatibility uses.
Description
Technical field
This utility model relates to a kind of charging circuit, and specifically a kind of electric automobile charging pile accessory power supply 12V, 24V are compatible
Charging circuit, belongs to charging electric vehicle technical field.
Background technology
Cell management system of electric automobile supply voltage is respectively 12V and 24V, and currently used voltage is commonly electric bus vapour
Car voltage 12V, electric motor car voltage 24V, i.e. charging circuit or be the voltage that 12V can be provided, or it is to provide 24V
Voltage, so will result in can give electric bus vehicle charging charging pile can not be to little charging electric vehicle, to little electricity
The charging pile of electrical automobile charging can not give electric bus vehicle charging, mutually can not be compatible.
Summary of the invention
The problem existed for above-mentioned prior art, this utility model provides a kind of electric automobile charging pile battery management system,
There is volume little, lightweight, charge safe and reliable, it is provided that 12V, 24V voltage compatibility uses.
To achieve these goals, the technical solution adopted in the utility model is: a kind of electric automobile charging pile accessory power supply 12V,
24V compatibility charging circuit, including relay J, diode D1, field effect transistor Q1, audion Q2, controllable accurate source of stable pressure
U33, chip U1, resistance R1-R11, electric capacity C1-C3, the positive pole of 12V power supply respectively with one end, the diode of resistance R2
The negative pole of D1, the pin 7 of relay J are exported by normally-closed contact after connecting；The positive pole of 24V power supply accesses circuit, 24V electricity
The negative pole in source is connected with the negative pole of 12V power supply, earth terminal, one end of resistance R1 respectively, the other end of resistance R1 respectively with
One end of resistance R5, output port connect；
The positive pole of diode D1 is connected with the pin 8 of relay J, the pin 1 of field effect transistor Q1 respectively, field effect transistor Q1
Pin 2 ground connection, the pin 3 of field effect transistor Q1 is connected with one end, one end of resistance R4 of resistance R3 respectively, resistance R3
Other end ground connection, the other end of resistance R4 is connected with the pin 15 of chip U1；
The other end of resistance R2 is connected with the colelctor electrode of audion Q2, one end of resistance R6, one end of electric capacity C1 respectively,
The base stage of audion Q2 is connected with the other end, the pin 1 of controllable accurate source of stable pressure U33 of resistance R6 respectively, controllable accurate
The pin 2 of source of stable pressure U33 respectively with the other end of electric capacity C1, one end of resistance R8, earth terminal, electric capacity C2 one end even
Connecing, the pin 3 of controllable accurate source of stable pressure U33 is connected with the other end, one end of resistance R7 of resistance R8 respectively, resistance R7
The other end respectively with the emitter stage of audion Q2,5V power end, the other end of electric capacity C2, chip U1 pin 16 even
Connect；
Pin 1 ground connection of chip U1, the pin 2 of chip U1 is connected with one end, one end of resistance R9 of electric capacity C3 respectively,
The other end ground connection of electric capacity C3, the other end of resistance R9 is connected with one end, one end of resistance R11 of resistance R10 respectively,
The other end ground connection of resistance R10, the other end external reaction port T of resistance R11；The pin 3 of chip U1 is with resistance R5's
The other end connects.
Further, the model of chip U1 is HR7P169FGS3.
Further, the model of controllable accurate source of stable pressure U33 is TL431.
Further, the model of field effect transistor Q1 is 2N7002.
This utility model provides a kind of electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit, and this programme is permissible
Realize the ultimate principle that 12V, 24V voltage is compatible, 12V, 24V voltage is all accessed circuit, by relay J switching conveying
To electric automobile, first input 12V power supply, detects electric automobile feedback signal, such as feedback-less signal, then switches to
24V power supply is powered, and it is little, lightweight that this circuit has volume, safe and reliable advantage of charging, it is provided that 12V, 24V electricity
Pressure compatibility uses.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit, including relay J,
Diode D1, field effect transistor Q1, audion Q2, controllable accurate source of stable pressure U33, chip U1, resistance R1-R11, electric capacity
The positive pole of C1-C3,12V power supply is connected with one end of resistance R2, the negative pole of diode D1, the pin 7 of relay J respectively
Exported by normally-closed contact afterwards；The positive pole of 24V power supply accesses circuit, the negative pole of 24V power supply respectively with the negative pole of 12V power supply,
Earth terminal, one end of resistance R1 connect, and the other end of resistance R1 is connected with one end, the output port of resistance R5 respectively；
The positive pole of diode D1 is connected with the pin 8 of relay J, the pin 1 of field effect transistor Q1 respectively, field effect transistor Q1
Pin 2 ground connection, the pin 3 of field effect transistor Q1 is connected with one end, one end of resistance R4 of resistance R3 respectively, resistance R3
Other end ground connection, the other end of resistance R4 is connected with the pin 15 of chip U1；
The other end of resistance R2 is connected with the colelctor electrode of audion Q2, one end of resistance R6, one end of electric capacity C1 respectively,
The base stage of audion Q2 is connected with the other end, the pin 1 of controllable accurate source of stable pressure U33 of resistance R6 respectively, controllable accurate
The pin 2 of source of stable pressure U33 respectively with the other end of electric capacity C1, one end of resistance R8, earth terminal, electric capacity C2 one end even
Connecing, the pin 3 of controllable accurate source of stable pressure U33 is connected with the other end, one end of resistance R7 of resistance R8 respectively, resistance R7
The other end respectively with the emitter stage of audion Q2,5V power end, the other end of electric capacity C2, chip U1 pin 16 even
Connect；
Pin 1 ground connection of chip U1, the pin 2 of chip U1 is connected with one end, one end of resistance R9 of electric capacity C3 respectively,
The other end ground connection of electric capacity C3, the other end of resistance R9 is connected with one end, one end of resistance R11 of resistance R10 respectively,
The other end ground connection of resistance R10, the other end external reaction port T of resistance R11；The pin 3 of chip U1 is with resistance R5's
The other end connects.
The model of chip U1 is HR7P169FGS3, and its volume is little, stable work in work.
Further, the model of controllable accurate source of stable pressure U33 is TL431.
Further, the model of field effect transistor Q1 is 2N7002.
Operation principle: 12V, 24V power supply is coupled with two ports of relay J, 12V power supply gives tacit consent to normally closed output,
Resistance R1 is current sampling resistor, through resistance R5 deliver to chip U1 identify, reaction port T be electric automobile access normal time
Feedback signal, when detect have on resistance R1 electric current or reaction port T end have represent electric automobile access charge normal
During signal, representing that the electric automobile of this access is that 12V power supply is powered, if can't detect above-mentioned signal, then chip U1 leads to
Cross resistance R4, field effect transistor Q1 control relay J, power supply is automatically switched into 24V by 12V and is powered.
Claims (4)
1. electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit, it is characterised in that include relay
J, diode D1, field effect transistor Q1, audion Q2, controllable accurate source of stable pressure U33, chip U1, resistance R1-R11, electricity
Hold the positive pole of C1-C3,12V power supply respectively with one end of resistance R2, the negative pole of diode D1, relay J pin 7 even
Exported by normally-closed contact after connecing；The positive pole of 24V power supply accesses circuit, the negative pole of 24V power supply respectively with the negative pole of 12V power supply,
Earth terminal, one end of resistance R1 connect, and the other end of resistance R1 is connected with one end, the output port of resistance R5 respectively；
The positive pole of diode D1 is connected with the pin 8 of relay J, the pin 1 of field effect transistor Q1 respectively, field effect transistor Q1
Pin 2 ground connection, the pin 3 of field effect transistor Q1 is connected with one end, one end of resistance R4 of resistance R3 respectively, resistance R3
Other end ground connection, the other end of resistance R4 is connected with the pin 15 of chip U1；
The other end of resistance R2 is connected with the colelctor electrode of audion Q2, one end of resistance R6, one end of electric capacity C1 respectively,
The base stage of audion Q2 is connected with the other end, the pin 1 of controllable accurate source of stable pressure U33 of resistance R6 respectively, controllable accurate
The pin 2 of source of stable pressure U33 respectively with the other end of electric capacity C1, one end of resistance R8, earth terminal, electric capacity C2 one end even
Connecing, the pin 3 of controllable accurate source of stable pressure U33 is connected with the other end, one end of resistance R7 of resistance R8 respectively, resistance R7
The other end respectively with the emitter stage of audion Q2,5V power end, the other end of electric capacity C2, chip U1 pin 16 even
Connect；
Pin 1 ground connection of chip U1, the pin 2 of chip U1 is connected with one end, one end of resistance R9 of electric capacity C3 respectively,
The other end ground connection of electric capacity C3, the other end of resistance R9 is connected with one end, one end of resistance R11 of resistance R10 respectively,
The other end ground connection of resistance R10, the other end external reaction port T of resistance R11；The pin 3 of chip U1 is with resistance R5's
The other end connects.
Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit the most according to claim 1, its feature
Being, the model of described chip U1 is HR7P169FGS3.
Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit the most according to claim 1 and 2, its
Being characterised by, the model of described controllable accurate source of stable pressure U33 is TL431.
Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit the most according to claim 1 and 2, its
Being characterised by, the model of described field effect transistor Q1 is 2N7002.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401689.3U CN205725042U (en) | 2016-05-05 | 2016-05-05 | Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401689.3U CN205725042U (en) | 2016-05-05 | 2016-05-05 | Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205725042U true CN205725042U (en) | 2016-11-23 |
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ID=57303493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620401689.3U Expired - Fee Related CN205725042U (en) | 2016-05-05 | 2016-05-05 | Electric automobile charging pile accessory power supply 12V, 24V compatibility charging circuit |
Country Status (1)
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|---|---|
| CN (1) | CN205725042U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904092A (en) * | 2017-03-27 | 2017-06-30 | 江苏万帮德和新能源科技有限公司 | Charging pile and its charging method |
| CN112637991A (en) * | 2019-09-20 | 2021-04-09 | 台达电子工业股份有限公司 | Power supply applied to light emitting diode and operation method thereof |
| CN113895274A (en) * | 2021-10-19 | 2022-01-07 | 国网山东省电力公司临沂供电公司 | Fill electric pile auxiliary power automatic switching control equipment |
| CN116632980A (en) * | 2023-06-20 | 2023-08-22 | 南通国轩新能源科技有限公司 | Self-adaptive charging system and method for 12V and 24V auxiliary power supply |
-
2016
- 2016-05-05 CN CN201620401689.3U patent/CN205725042U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904092A (en) * | 2017-03-27 | 2017-06-30 | 江苏万帮德和新能源科技有限公司 | Charging pile and its charging method |
| CN112637991A (en) * | 2019-09-20 | 2021-04-09 | 台达电子工业股份有限公司 | Power supply applied to light emitting diode and operation method thereof |
| CN113895274A (en) * | 2021-10-19 | 2022-01-07 | 国网山东省电力公司临沂供电公司 | Fill electric pile auxiliary power automatic switching control equipment |
| CN116632980A (en) * | 2023-06-20 | 2023-08-22 | 南通国轩新能源科技有限公司 | Self-adaptive charging system and method for 12V and 24V auxiliary power supply |
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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: 20161123 Termination date: 20170505 |