CN206077035U - A kind of Portable AC charging pile control circuit - Google Patents
A kind of Portable AC charging pile control circuit Download PDFInfo
- Publication number
- CN206077035U CN206077035U CN201621035032.6U CN201621035032U CN206077035U CN 206077035 U CN206077035 U CN 206077035U CN 201621035032 U CN201621035032 U CN 201621035032U CN 206077035 U CN206077035 U CN 206077035U
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Classifications
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Abstract
This utility model provides a kind of Portable AC charging pile control circuit, it is characterised in that the circuit is provided with：Control module, Voltage to current transducer and leakage detecting module, power switch circuit module, charge control guiding circuit module, auxiliary power module and commercial power socket；A kind of Portable AC charging pile control circuit that this utility model is provided, main control chip is triggered to export the PWM of different duty by control box current switching button and connects charging pile 16A sockets or 10A sockets realizing that 16A turns 10A multi-taps, so that charging pile output current is limited less than 13A or 8A, provide safe and reliable charging current for automobile user.Simultaneously by the use of multi-tap, any switching laws 13A, 8A output current, not only convenient and swift but also save resources are realized on same charging pile.
Description
Technical field
This utility model is related to electric vehicle alternating-current charging pile technical field, more particularly to a kind of Portable AC charging pile
Control circuit.
Background technology
How in time as road construction is more and more perfect, people's lives are more and more finer, and electric automobile is increasingly popularized,
Ground, it is rapidly, easily the daily problems faced of car owner to charging electric vehicle.Traditional charging pile volume is larger, typically
Charging station or garage are installed on, charging electric vehicle saturation time is longer, and supply falls short of demand for charging pile.
Standard GB/T/1 charging system of T 18487.1-2015 charge modes has added earth leakage protective dress using one at present
The charging gun put, because not controlling guide and overcurrent protection, has been eliminated at present.2 charging system of charge mode is used
Standard socket, should adopt single-phase ac power supply, current side to require using GB2099.1 and GB1002 is met in energy transport
16A plugs and sockets when output no more than 13A, during the 10A plugs and sockets required using GB2099.1 and GB1002, output is not
Can exceed that 8A；Phase line, the neutral conductor and protective grounding conductor are used in mains side, and power supply has been connected with protection device by control
With electric automobile.According to GB/T 18487.1-2015, the Portable AC charging pile of main flow adopts charge mode on the market at present
The control guidance mode of 2 connected modes B.But most on the market is 10A standard sockets, 16A charging boxes plug cannot be used.Very
Polygamy 16A standard plugs portable charged stake can not be used, that is, used multi-tap, also because there is no current limit function,
Cause potential safety hazard, and cause the wasting of resources.
The content of the invention
This utility model provides a kind of Portable AC charging pile control circuit, solves and realizes appointing on same charging pile
Technical problem of meaning switching 13A, 10A output current for electric automobile safe charging.
To solve above technical problem, this utility model provides a kind of Portable AC charging pile control circuit, including：Control
Molding block, Voltage to current transducer and leakage detecting module, power switch circuit module, charge control guiding circuit module, auxiliary
Power module and commercial power socket；
The commercial power socket accesses civil power and exports from civil power outfan；The auxiliary power module connects civil power outfan,
The civil power of acquisition is converted to galvanic current to export from boost voltage output interface, the auxiliary power module is by described
Boost voltage output interface connects the Voltage to current transducer and leakage detecting module, control module and charge control guiding circuit
Module；
The civil power outfan connects the Voltage to current transducer and the voltage conversion signal input of leakage detecting module connects
Mouth, electric current conversion signal input interface and leakage detecting signal input interface；The Voltage to current transducer and leakage detecting module
The control module is connected by voltage sample interface, current sample interface and leakage current test interface；
The power switch circuit module is provided with relay or catalyst；The control module is connected by Power Control Interface
The relay or catalyst are connect, and the charge control is connected by PWM control interfaces and guide circuit module, the charging control
The alternating current power supply output interface connection charging gun of the PWM output interfaces and power switch circuit module of system guiding circuit module.
Further, the Voltage to current transducer and leakage detecting module are provided with and are connect with the control module voltage sample
Current converter circuit, voltage conversion circuit and leakage detecting circuit that mouth, current sample interface and leakage current test interface connect；
The current converter circuit, voltage conversion circuit and leakage detecting circuit are by the voltage conversion signal input interface, electric current
Conversion signal input interface and leakage detecting signal input interface connection civil power.
Further, the charge control guides circuit module, is provided with level shifting circuit, PWM on-off control circuits, divides
Volt circuit and voltage follower circuit；The level input interface of the level shifting circuit connects the PWM lifes of the PWM control interfaces
Into interface, the PWM break-make controls of the PWM break-make control input interfaces of the PWM on-off control circuits by the PWM control interfaces
Interface processed connects the control module, the level output interface of the level shifting circuit and the PWM on-off control circuits
PWM break-make controlled outputs interface connects the voltage division signal input interface of the bleeder circuit；The bleeder circuit is believed by partial pressure
Number output interface connects the voltage follower circuit, and the voltage follower circuit connects the control mould by AD Sampling Interfaces
Block；The voltage division signal input interface of the bleeder circuit is also connected with charging gun guiding port.
Further, a kind of Portable AC charging pile control circuit that this utility model is provided is additionally provided with control box electric current
Switching key；The control box current switching button connects the control module by switching control interface.
A kind of Portable AC charging pile control circuit that this utility model is provided, is touched by control box current switching button
Main control chip is sent out to export different duty PWM to realize that 16A turns 10A multi-taps connection charging pile 16A sockets or 10A is inserted
Seat, so as to limit charging pile output current less than 13A or 8A, provides safe and reliable charging current for automobile user.
Simultaneously by the use of multi-tap, realize any switching laws 13A, 8A output current on same charging pile, it is not only convenient and swift but also
Save resources.
Description of the drawings
Fig. 1 is the circuit module figure that this utility model is provided；
Fig. 2 is the circuit theory diagrams that this utility model embodiment is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.The type selecting and value size of following components and parts is only preferred embodiment, does not constitute and this utility model is protected
The restriction of shield scope.
Referring to Fig. 1, it is the circuit module figure of this utility model offer.A kind of Portable AC that this utility model is provided fills
Electric stake control circuit, including control module 10, Voltage to current transducer and leakage detecting module 20, power switch circuit module 30,
Charge control guiding circuit module 40, auxiliary power module 50 and commercial power socket 60；
The commercial power socket 60 accesses civil power and exports from civil power outfan 601；The auxiliary power module 50 connects civil power
The civil power of acquisition is converted to galvanic current and is exported from boost voltage output interface 500 by outfan 601, the auxiliary electricity
Source module 50 connects the control module 10, Voltage to current transducer and leakage detecting by the boost voltage output interface 500
Module 20 and charge control guiding circuit module 40；
The civil power outfan 601 connects the Voltage to current transducer and the voltage conversion signal of leakage detecting module 20 is defeated
Incoming interface 201, electric current conversion signal input interface 202 and leakage detecting signal input interface 203；The Voltage to current transducer and
Leakage detecting module 20 connects described by voltage sample interface 121, current sample interface 122 and leakage current test interface 123
Control module 10；
The control module 10 connects the power switch circuit module 30 by Power Control Interface 130, and passes through PWM
Control interface 140 connects the charge control guiding circuit module 40, the PWM outputs of the charge control guiding circuit module 40
The connection charging gun of alternating current power supply output interface 301 of interface 401 and power switch circuit module 30.
With reference to Fig. 2, it is the circuit theory diagrams of this utility model embodiment offer.In the present embodiment, the power switch
Circuit module 30 is provided with relay or catalyst 31, and the control module 10 adopts STM8S903 main control chip U1；The relay
Device or catalyst 31 connect the main control chip by the U1_PIN23 interfaces that Power Control Interface 130 is main control chip U1, lead to
Cross connection of the control of main control chip U1 to realize electrical network and electric automobile to be turned on or off, realize charging electric vehicle or guarantor
Protection circuit.When U1_PIN23 interfaces are output as high level, 31 adhesive of the relay or catalyst, power circuit conducting connect
Energization net and electric automobile；When U1_PIN23 interfaces are output as low, the relay or catalyst 31 disconnect, and power circuit breaks
Open, disconnect the connection of electrical network and electric automobile.
The Voltage to current transducer and leakage detecting module 20 are provided with and the 121 (U1_ of control module voltage sample interface
PIN13 the electric current conversion electricity that), current sample interface 122 (U1_PIN14) and leakage current test interface 123 (U1_PIN15) connect
Road 21, voltage conversion circuit 22 and leakage detecting circuit 23.
The charge control guiding circuit module 40 is provided with level shifting circuit 41, PWM on-off control circuits 42, partial pressure electricity
Road 43 and voltage follower circuit 44；The level input interface PWM of the level shifting circuit 41 connects the PWM control interfaces
140 PWM generates interface U1_PIN19, and the level shifting circuit 41 mainly adopts LM293D, for the 5V pulses that will be input into
It is converted into 12V pulses；PWM break-make control interface U1_ of the PWM on-off control circuits 42 by the PWM control interfaces 140
PIN24 connects the level output interface 431 of the bleeder circuit 43；The bleeder circuit 43 passes through voltage division signal output interface
The 432 connections voltage follower circuit 44, the voltage follower circuit 44 are connected by AD Sampling Interfaces ADC CP (U1_PIN16)
The control module 10 is connect, protects its output voltage not affected by circuit impedance；The voltage division signal input of the bleeder circuit 43
Interface 431 is also connected with charging gun guiding port JP1.
The PWM on-off control circuits 42 are mainly provided with relay HFD4/12, control the PWM on-off control circuits 42
With the break-make and closure of bleeder circuit 43；The bleeder circuit 43 is provided with divider resistance R1, R2, carries out partial pressure guarantor to late-class circuit
Shield；The voltage follower circuit 44 is mainly provided with dual operational amplifier LM358, after signal amplifies exports CP sampled voltages.
In the present embodiment, charge control guiding circuit module 40 is mainly used in charging pile and the connection of electric automobile is drawn
Lead, and charging pile output current ability is sent to into electric automobile by PWM mode.CP voltages are by after level shifting circuit 41
By divider resistance R1, R2 partial pressure after output 12V pulses, then acquisition can be by master control core after 44 signal of voltage follower circuit amplifies
The voltage of piece U1 samplings.
In the present embodiment, U1 controls the relay as main control chip, Sample AC voltage, electric current and temperature value
Or 31 folding of catalyst, complete charge control guidance function and defencive function：
When magnitude of voltage of the voltage more than setting, overvoltage protection is triggered, the relay or catalyst 31 disconnect, and close
Output；
When magnitude of voltage of the voltage less than setting, under-voltage protection is triggered, the relay or catalyst 31 disconnect, and close
Output；
When temperature value of the temperature more than setting, overheat protector is triggered, the relay or catalyst 31 disconnect, and close defeated
Go out.
In the present embodiment, according to 2 connected mode B of charge mode control guiding side in GB GB/T 18487.1-2015
The standard of formula：When CP sampled voltages are 12V, represent that charging gun is not inserted into；When CP sampled voltages are 9V, charging gun has been represented
Insertion, but electric automobile battery charger is unripe；When CP sampled voltages are 6V, represent that charging gun has been inserted and electric automobile fills
Motor is ready for charging.
After charging gun inserts charging gun guide port, there is the resistor coupled in parallel in electric automobile to level shifting circuit 44, CP
Sampled voltage is reduced to 9V；When Rechargeable vehicle is ready to charge, the resistance variations in Rechargeable vehicle, CP sampled voltages are down to
6V；According to CP sample voltage values, main control chip U1 controls the closure of the relay or catalyst 31.From standard, PWM lifes
There is corresponding relation into interface U1_PIN19 charging pile output current abilities and PWM duty cycle, the duty of PWM is determined by current value
Than.After charging gun is inserted, the PWM of the main control chip U1 generates interface U1_PIN19 and sends PWM, and electric automobile is received should
PWM, learns the maximum output current of the charging pile by PWM duty cycle.After charging gun insertion, PWM generates interface U1_PIN19 and writes from memory
Recognize the PWM for sending that dutycycle D is 21.67%, the maximum output current for limiting the charging pile is 13A；If user passes through the city
Electrical socket 60 accesses 16A and turns 10A conversion sockets and press control box current switching button S1, then PWM generates interface U1_PIN19
Acquiescence sends the PWM that dutycycle D is 13.3%, and the maximum output current for limiting the charging pile is 8A.
In the present embodiment, the control box current switching button S1 is described by switching control interface U1_PIN12 connections
Control module 10.
In the present embodiment, the voltage conversion circuit 22 passes through voltage transformer and voltage signal conditioning circuit, by city
Electric 220V AC voltage conversions are 3.3V voltages, are sampled for main control chip；The current converter circuit 21 passes through current transformer L2
The mains current of acquisition is converted to the voltage that can be sampled with current signal conditioning circuit；The leakage detecting circuit 23 passes through zero
Sequence current transformer L3 and leakage current signal conditioning circuit leakage current signal are converted into voltage signal, compare with reference voltage, when
During more than threshold values, level upset, the main control chip U1 detects level signal, sends alarm prompt, and disconnect relay or
Catalyst 31, in case there is security incident.
In the present embodiment, the auxiliary power module 50, from 601 power taking of civil power outfan, Jing isolation, blood pressure lowering, rectification
After circuit, stable D/C power is obtained, including+12V, -12V and+5V power supply, is that whole circuit is powered.Isolation can adopt transformation
The devices such as device, optocoupler, blood pressure lowering, rectification can be realized using special chip.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (4)
1. a kind of Portable AC charging pile control circuit, it is characterised in that the circuit is provided with：
Control module, Voltage to current transducer and leakage detecting module, power switch circuit module, charge control guiding circuit mould
Block, auxiliary power module and commercial power socket；
The commercial power socket accesses civil power and exports from civil power outfan；The auxiliary power module connects civil power outfan, will obtain
The civil power for obtaining is converted to galvanic current and exports from boost voltage output interface, and the auxiliary power module is by the auxiliary
Voltage output interface connects the Voltage to current transducer and leakage detecting module, control module and charge control guiding circuit mould
Block；
The civil power outfan connects voltage conversion signal input interface, the electricity of the Voltage to current transducer and leakage detecting module
Signal input interface and leakage detecting signal input interface are changed in circulation；The Voltage to current transducer and leakage detecting module are by electricity
Pressure Sampling Interface, current sample interface and leakage current test interface connect the control module；
The power switch circuit module is provided with relay or catalyst；The control module connects institute by Power Control Interface
Stating relay or catalyst, and connect the charge control by PWM control interfaces guides circuit module, the charge control to draw
The alternating current power supply output interface connection charging gun of the PWM output interfaces and power switch circuit module of conductive path module.
2. a kind of Portable AC charging pile control circuit according to claim 1, it is characterised in that：The voltage x current
Conversion and leakage detecting module are provided with and the control module voltage sample interface, current sample interface and leakage current test interface
The current converter circuit of connection, voltage conversion circuit and leakage detecting circuit；The current converter circuit, voltage conversion circuit with
Leakage detecting circuit is defeated by the voltage conversion signal input interface, electric current conversion signal input interface and leakage detecting signal
Incoming interface connects civil power.
3. a kind of Portable AC charging pile control circuit according to claim 1, it is characterised in that：The charge control
Guiding circuit module, is provided with level shifting circuit, PWM on-off control circuits, bleeder circuit and voltage follower circuit；The level
The level input interface of change-over circuit connects the PWM of the PWM control interfaces and generates interface, the PWM on-off control circuits
PWM break-make control input interfaces connect the control module by the PWM break-makes control interface of the PWM control interfaces, described
The PWM break-make controlled outputs interface connection of the level output interface of level shifting circuit and the PWM on-off control circuits is described
The voltage division signal input interface of bleeder circuit；The bleeder circuit connects the voltage follow electricity by voltage division signal output interface
Road, the voltage follower circuit connect the control module by AD Sampling Interfaces；The voltage division signal input of the bleeder circuit
Interface is also connected with charging gun guiding port.
4. a kind of Portable AC charging pile control circuit according to claim 1, it is characterised in that：It is additionally provided with control box
Current switching button；The control box current switching button connects the control module by switching control interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035032.6U CN206077035U (en) | 2016-08-31 | 2016-08-31 | A kind of Portable AC charging pile control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035032.6U CN206077035U (en) | 2016-08-31 | 2016-08-31 | A kind of Portable AC charging pile control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206077035U true CN206077035U (en) | 2017-04-05 |
Family
ID=58436803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621035032.6U Expired - Fee Related CN206077035U (en) | 2016-08-31 | 2016-08-31 | A kind of Portable AC charging pile control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206077035U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329687A (en) * | 2016-08-31 | 2017-01-11 | 天宝电子（惠州）有限公司 | Portable AC charging pile control circuit |
| CN107336629A (en) * | 2017-06-29 | 2017-11-10 | 北京新能源汽车股份有限公司 | A kind of inversion rifle, controller and electric automobile |
| CN113183804A (en) * | 2021-06-01 | 2021-07-30 | 陕西天天欧姆新能源有限公司 | Electric vehicle charging pile and vehicle charging detection method |
-
2016
- 2016-08-31 CN CN201621035032.6U patent/CN206077035U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329687A (en) * | 2016-08-31 | 2017-01-11 | 天宝电子（惠州）有限公司 | Portable AC charging pile control circuit |
| CN106329687B (en) * | 2016-08-31 | 2019-08-20 | 天宝电子（惠州）有限公司 | A kind of Portable AC charging pile control circuit |
| CN107336629A (en) * | 2017-06-29 | 2017-11-10 | 北京新能源汽车股份有限公司 | A kind of inversion rifle, controller and electric automobile |
| CN113183804A (en) * | 2021-06-01 | 2021-07-30 | 陕西天天欧姆新能源有限公司 | Electric vehicle charging pile and vehicle charging detection method |
| CN113183804B (en) * | 2021-06-01 | 2022-12-16 | 陕西天天欧姆新能源有限公司 | Electric vehicle charging pile and vehicle charging detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20200831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |