CN209001649U - A kind of direct-current charging post circuit for electric vehicle - Google Patents
A kind of direct-current charging post circuit for electric vehicle Download PDFInfo
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- CN209001649U CN209001649U CN201821633061.1U CN201821633061U CN209001649U CN 209001649 U CN209001649 U CN 209001649U CN 201821633061 U CN201821633061 U CN 201821633061U CN 209001649 U CN209001649 U CN 209001649U
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Abstract
The utility model discloses a kind of direct-current charging post circuit for electric vehicle, including with single- stage PFC circuit charging module, with voltage, electric current, the detection module of temperature detection and the control module that can be adjusted to charging voltage；The charging module is connect with the detection module, control module respectively；The detection module is connect with the control module；The utility model can charge for the battery of different type and different capabilities to fast and stable, single-chip microcontroller passes through electric current, voltage and the entire charging process of temperature monitoring in real-time detection charging process, overcurrent in charging process, over-voltage and superheating phenomenon are efficiently avoided, carries out charging process with security and stability.
Description
Technical field
The utility model relates to electric to DC charging technical field more particularly to a kind of direct-current charging post for electric vehicle
Road.
Background technique
Due to oil crisis and the environmental pollution got worse, Development of Electric Vehicles has been trend of the times.Battery is
Electric car provides power, and battery charging performance directly affects use and the service life of battery, and battery is generally divided into lead
Battery, nickel-cadmium cell, nickel-metal hydride battery and lithium ion battery.Since battery is many kinds of and capacity is different, variety classes and
The battery of capacity generally require it is different charger matched, if battery it is charger matched it is bad will appear overcharge overheat
Etc. dangerous phenomenon, to influence the normal use of battery and shorten the life of storage battery.
Therefore, the prior art is defective, needs to improve.
Utility model content
The utility model provides a kind of direct-current charging post circuit for electric vehicle, the above problem of solution.
To solve the above problems, the technical scheme that the utility model is provided is as follows:
A kind of direct-current charging post circuit for electric vehicle, including with single- stage PFC circuit charging module, have voltage,
Electric current, temperature detection detection module and can to charging voltage adjust control module；The charging module respectively with it is described
Detection module, control module connection；The detection module is connect with the control module；The detection module includes voltage detecting
Module VIU, current detection module IIU and temperature detecting module；The control module is for receiving the voltage detection module
The data that VIU, current detection module IIU, temperature detecting module detect；The voltage detection module VIU, current detection module
IIU, temperature detecting module detection are successively respectively used to the voltage, electric current, temperature data of charging module described in real-time detection, and anti-
It is fed to the control module.
Preferred technical solution, the charging module include capacitor C1-C3, inductance L1-L2, rectifier bridge stack VC1-VC2, open
Close K1-K2, triode M1-M4, diode D1-D5, transformer T1 and battery BAT.
Preferred technical solution, the end L of alternating current are connect with the first ac input end of the rectifier bridge stack VC1；The N of alternating current
End is connect with the second ac input end of the rectifier bridge stack VC1；The rectifier bridge stack VC1 anode respectively with the capacitor C1
First end, the first end of the switch K1 connection；The transmitting with described triode M1, M3 respectively of the second end of the switch K1
The cathode connection of pole, described diode D1, D3；The cathode of the rectifier bridge stack VC1 respectively with the second end of the capacitor C1, institute
State the anode connection of the collector, described diode D2, D4 of triode M2, M4；The diode D1 anode respectively with it is described
The collector of triode M1, the emitter of the triode M2, the first end of the capacitor C2, the diode D2 cathode connect
It connects；The diode D3 anode respectively with the cathode of the diode D4, the collector of the triode M3, the triode
The first end connection of the emitter of M4, the inductance L1；The second end of the capacitor C2 and the transformer T1 primary coil
First end connection；The second end of the inductance L1 is connect with the second end of the transformer T1 primary coil；The transformer T1
The first end of secondary coil is connect with the second ac input end of the rectifier bridge stack VC2；The transformer T1 secondary coil
Second end is connect with the first ac input end of the rectifier bridge stack VC2；The anode of the rectifier bridge stack VC2 is respectively with described two
The second end connection of the cathode of pole pipe D5, the inductance L2；The second end of the cathode of the rectifier bridge stack VC2 and the switch K2
Connection；The first end of the switch K2 is connect with the anode of the diode D5；The first end of the inductance L2 respectively with it is described
The anode connection of the first end of capacitor C3, the battery BAT；The cathode of the second end of the capacitor C3 and the battery BAT connect
It connects.
Preferred technical solution, the battery BAT are lithium iron phosphate dynamic battery for electric vehicle；The switch K1-K2
It is air switch.
Preferred technical solution, described capacitor C1, C3 are electrolytic capacitor；The triode M1-M4 is positive-negative-positive insulation
Grid bipolar transistor.
Preferred technical solution, the power of the transformer T1 are 50W, have three groups of secondary coils, after rectifying and wave-filtering
DC15V, DC10V, DC5V voltage are exported respectively, and DC15V, DC10V, DC5V voltage are that the chip of driving circuit is powered, and DC5V is same
When for integrated circuit U1 power.
Preferred technical solution, the control module include liquid crystal display, clock chip, house dog, matrix keyboard, driving electricity
Road and integrated circuit U 1；The model MC9S12XS128 of the integrated circuit U1.
Preferred technical solution, the driving circuit include identical first, second, third and fourth driving of functional structure
Circuit；The integrated circuit U1 is connect with the liquid crystal display, clock chip, house dog, matrix keyboard, driving circuit respectively；Institute
The first, second, third, fourth driving circuit is stated to be made of driving chip M57962L and peripheral circuit.
Beneficial effect compared with the existing technology is that using the above scheme, the utility model uses phase shifting full bridge soft switch
Boost circuit is synthesized composition single- stage PFC circuit together by circuit with full-bridge converter, and circuit structure is simple, high-efficient, both may be used
It to realize the adjusting to input current, and can work in relatively high power occasion, give full play to the advantage of full-bridge circuit；It can
It charges for the battery of different type and different capabilities to fast and stable, single-chip microcontroller passes through the electricity in real-time detection charging process
Stream, voltage and the entire charging process of temperature monitoring, efficiently avoid overcurrent in charging process, over-voltage and superheating phenomenon, make to fill
Electric process carries out with security and stability.
Detailed description of the invention
Illustrate embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment or the prior art
The required attached drawing used is briefly described in description, it is clear that, the accompanying drawings in the following description is only the one of utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of direct-current charging post circuit circuit diagram for electric vehicle of the utility model.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different
Form is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this
The understanding of the disclosure of utility model is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term used in this specification " fixation ", " integrated molding ",
For illustrative purposes only, the similar unit of structure is to identical label in the figure for "left", "right" and similar statement
Mark.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.
As shown in Figure 1, one embodiment of the utility model is:
A kind of direct-current charging post circuit for electric vehicle, including with single- stage PFC circuit charging module, have voltage,
Electric current, temperature detection detection module and can to charging voltage adjust control module；The charging module respectively with it is described
Detection module, control module connection；The detection module is connect with the control module；The detection module includes voltage detecting
Module VIU, current detection module IIU and temperature detecting module；The control module is for receiving the voltage detection module
The data that VIU, current detection module IIU, temperature detecting module detect；The voltage detection module VIU, current detection module
IIU, temperature detecting module detection are successively respectively used to the voltage, electric current, temperature data of charging module described in real-time detection, and anti-
It is fed to the control module.
The driving circuit includes identical first, second, third and fourth driving circuit of functional structure；The integrated electricity
Road U1 is connect with the liquid crystal display, clock chip, house dog, matrix keyboard, driving circuit respectively；Described first, second,
Three, the 4th driving circuit is made of driving chip M57962L and peripheral circuit.
The charging module includes capacitor C1-C3, inductance L1-L2, rectifier bridge stack VC1-VC2, switch K1-K2, triode
M1-M4, diode D1-D5, transformer T1 and battery BAT；
The first end of the capacitor C3 is connect with the 1st end of the voltage detection module VIU；The second end of the capacitor C3
It is connect with the 1st end of the current detection module；3rd end of the anode and the current detection module IIU of the diode D5
Connection；
The end L of alternating current is connect with the first ac input end of the rectifier bridge stack VC1；The N-terminal of alternating current and the rectifier bridge
The second ac input end of heap VC1 connects；The anode of the rectifier bridge stack VC1 respectively with the first end of the capacitor C1, described
The first end of switch K1 connects；The second end of the switch K1 respectively with the emitter of described triode M1, M3, the diode
The cathode of D1, D3 connect；The cathode of the rectifier bridge stack VC1 respectively with the second end of the capacitor C1, described triode M2, M4
Collector, described diode D2, D4 anode connection；The positive current collection with the triode M1 respectively of the diode D1
The cathode connection of pole, the emitter of the triode M2, the first end of the capacitor C2, the diode D2；The diode
D3 anode respectively with the cathode of the diode D4, the collector of the triode M3, the emitter of the triode M4, institute
State the first end connection of inductance L1；The second end of the capacitor C2 is connect with the first end of the transformer T1 primary coil；Institute
The second end for stating inductance L1 is connect with the second end of the transformer T1 primary coil；The first of the transformer T1 secondary coil
End is connect with the second ac input end of the rectifier bridge stack VC2；The second end of the transformer T1 secondary coil with it is described whole
Flow the first ac input end connection of bridge heap VC2；The rectifier bridge stack VC2 anode respectively with the cathode of the diode D5,
The second end of the inductance L2 connects；The cathode of the rectifier bridge stack VC2 is connect with the second end of the switch K2；The switch
The first end of K2 is connect with the anode of the diode D5；The first end of the inductance L2 respectively with the capacitor C3 first
The anode connection at end, the battery BAT；The second end of the capacitor C3 is connect with the cathode of the battery BAT；
The battery BAT is lithium iron phosphate dynamic battery for electric vehicle；The switch K1-K2 is air switch；Institute
Stating capacitor C1, C3 is electrolytic capacitor；The triode M1-M4 is positive-negative-positive insulated gate bipolar transistor；The transformer T1
Power be 50W, there are three groups of secondary coils, will export respectively DC15V, DC10V, DC5V voltage after rectifying and wave-filtering, DC15V,
DC10V, DC5V voltage are that the chip of driving circuit is powered, and DC5V is integrated circuit U1 power supply simultaneously.
The control module includes liquid crystal display, clock chip, house dog, matrix keyboard, driving circuit and integrated circuit U 1；
The PAD0 pin of the integrated circuit U1 is connect with the 3rd end block of the voltage detecting mould VIU；The integrated circuit
The PAD1 pin of U1 is connect with the 2nd end of the current detection module IIU；The PAD2 pin of the integrated circuit U1 and the temperature
Spend detection module connection；The PWM mouth of the integrated circuit U1 is connect with the driving circuit；Described first, second, third,
The output end of four driving circuits is successively connect with the grid of the triode M1-M4 respectively；
The driving circuit includes identical first, second, third and fourth driving circuit of functional structure；The integrated electricity
Road U1 is connect with the liquid crystal display, clock chip, house dog, matrix keyboard, driving circuit respectively；The type of the integrated circuit U1
Number be MC9S12XS128；First, second, third, fourth driving circuit is by driving chip M57962L and peripheral circuit
Composition.
Beneficial effect compared with the existing technology is that using the above scheme, the utility model uses phase shifting full bridge soft switch
Boost circuit is synthesized composition single- stage PFC circuit together by circuit with full-bridge converter, and circuit structure is simple, high-efficient, both may be used
It to realize the adjusting to input current, and can work in relatively high power occasion, give full play to the advantage of full-bridge circuit；It can
It charges for the battery of different type and different capabilities to fast and stable, single-chip microcontroller passes through the electricity in real-time detection charging process
Stream, voltage and the entire charging process of temperature monitoring, efficiently avoid overcurrent in charging process, over-voltage and superheating phenomenon, make to fill
Electric process carries out with security and stability.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the range of the utility model specification record；Also, it for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations all should belong to the protection model of the appended claims for the utility model
It encloses.
Claims (8)
1. a kind of direct-current charging post circuit for electric vehicle, which is characterized in that including with single- stage PFC circuit charging module,
With voltage, electric current, temperature detection detection module and can to charging voltage adjust control module；The charging module point
It is not connect with the detection module, control module；The detection module is connect with the control module；The detection module includes
Voltage detection module VIU, current detection module IIU and temperature detecting module；The control module is for receiving the voltage inspection
Survey the data that module VIU, current detection module IIU, temperature detecting module detect；The voltage detection module VIU, electric current inspection
Survey module ii U, temperature detecting module detection is successively respectively used to the voltage, electric current, temperature number of charging module described in real-time detection
According to, and feed back and arrive the control module.
2. a kind of direct-current charging post circuit for electric vehicle according to claim 1, which is characterized in that the charging module
Including capacitor C1-C3, inductance L1-L2, rectifier bridge stack VC1-VC2, switch K1-K2, triode M1-M4, diode D1-D5, become
Depressor T1 and battery BAT.
3. a kind of direct-current charging post circuit for electric vehicle according to claim 2, which is characterized in that the end L of alternating current with
The first ac input end of the rectifier bridge stack VC1 connects；The N-terminal of alternating current exchanges input with the second of the rectifier bridge stack VC1
End connection；The anode of the rectifier bridge stack VC1 is connect with the first end of the first end of the capacitor C1, the switch K1 respectively；
The second end of the switch K1 is connect with the cathode of the emitter of described triode M1, M3, described diode D1, D3 respectively；Institute
State the cathode of rectifier bridge stack VC1 respectively with the second end of the capacitor C1, the collector of described triode M2, M4, two pole
The anode connection of pipe D2, D4；The anode of the diode D1 respectively with the collector of the triode M1, the triode M2
The cathode connection of emitter, the first end of the capacitor C1, the diode D2；The diode D3 anode respectively with it is described
The first end company of the cathode of diode D4, the collector of the triode M3, the emitter of the triode M4, the inductance L1
It connects；The second end of the capacitor C1 is connect with the first end of the transformer T1 primary coil；The second end of the inductance L1 with
The second end of the transformer T1 primary coil connects；The first end of the transformer T1 secondary coil and the rectifier bridge stack
The second ac input end of VC2 connects；First friendship of the second end of the transformer T1 secondary coil and the rectifier bridge stack VC2
Flow input terminal connection；The positive second end with the cathode of the diode D5, the inductance L2 respectively of the rectifier bridge stack VC2
Connection；The cathode of the rectifier bridge stack VC2 is connect with the second end of the switch K2；The first end of the switch K2 and described two
The anode connection of pole pipe D5；The first end of the inductance L2 anode with the first end of the capacitor C3, the battery BAT respectively
Connection；The second end of the capacitor C3 is connect with the cathode of the battery BAT.
4. a kind of direct-current charging post circuit for electric vehicle according to claim 2 or 3, which is characterized in that the electricity
Pond BAT is lithium iron phosphate dynamic battery for electric vehicle；The switch K1-K2 is air switch.
5. a kind of direct-current charging post circuit for electric vehicle according to claim 2 or 3, which is characterized in that the electricity
Holding C1, C3 is electrolytic capacitor；The triode M1-M4 is positive-negative-positive insulated gate bipolar transistor.
6. a kind of direct-current charging post circuit for electric vehicle according to claim 2 or 3, which is characterized in that the change
The power of depressor T1 is 50W, has three groups of secondary coils, DC15V, DC10V, DC5V voltage will be exported respectively after rectifying and wave-filtering,
DC15V, DC10V, DC5V voltage are that the chip of driving circuit is powered, and DC5V is integrated circuit U1 power supply simultaneously.
7. a kind of direct-current charging post circuit for electric vehicle according to claim 1, which is characterized in that the control module
Including liquid crystal display, clock chip, house dog, matrix keyboard, driving circuit and integrated circuit U 1；The model of the integrated circuit U1
For MC9S12XS128.
8. a kind of direct-current charging post circuit for electric vehicle according to claim 7, which is characterized in that the driving circuit
Including identical first, second, third and fourth driving circuit of functional structure；The integrated circuit U1 respectively with the liquid crystal
Screen, clock chip, house dog, matrix keyboard, driving circuit connection；First, second, third, fourth driving circuit by
Driving chip M57962L and peripheral circuit composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821633061.1U CN209001649U (en) | 2018-10-09 | 2018-10-09 | A kind of direct-current charging post circuit for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821633061.1U CN209001649U (en) | 2018-10-09 | 2018-10-09 | A kind of direct-current charging post circuit for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001649U true CN209001649U (en) | 2019-06-18 |
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ID=66803381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821633061.1U Active CN209001649U (en) | 2018-10-09 | 2018-10-09 | A kind of direct-current charging post circuit for electric vehicle |
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| Country | Link |
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| CN (1) | CN209001649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038771A (en) * | 2018-10-09 | 2018-12-18 | 深圳市思特克电子技术开发有限公司 | A kind of direct-current charging post circuit for electric vehicle |
| CN113291203A (en) * | 2021-06-29 | 2021-08-24 | 安徽江淮汽车集团股份有限公司 | Battery matrix current monitoring control system of electric automobile |
-
2018
- 2018-10-09 CN CN201821633061.1U patent/CN209001649U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038771A (en) * | 2018-10-09 | 2018-12-18 | 深圳市思特克电子技术开发有限公司 | A kind of direct-current charging post circuit for electric vehicle |
| CN113291203A (en) * | 2021-06-29 | 2021-08-24 | 安徽江淮汽车集团股份有限公司 | Battery matrix current monitoring control system of electric automobile |
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