CN209170027U - A kind of multi-functional charger and electric vehicle - Google Patents
A kind of multi-functional charger and electric vehicle Download PDFInfo
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- CN209170027U CN209170027U CN201920008256.5U CN201920008256U CN209170027U CN 209170027 U CN209170027 U CN 209170027U CN 201920008256 U CN201920008256 U CN 201920008256U CN 209170027 U CN209170027 U CN 209170027U
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Abstract
The utility model discloses a kind of multi-functional charger and electric vehicles.The multi-functional charger includes control system circuit, power circuit, rear pole rectified power circuit, transformer pwm circuit, preceding pole circuit for power conversion.The protective tube of preceding pole circuit for power conversion moves, power circuit takes electricity to arise directly from battery, charged state, battery charger failure, battery remaining capacity are shown with a LED light, charger has external communication interface, the radiator fan of charger changes revolving speed according to charger thermal condition, increases battery temp detection sensor external interface.With the multinomial performance of this intensified charging device.
Description
Technical field
Automotive electronic technology, specially charger.
Background technique
In order to describe conveniently, the utility model defines following term:
" switching tube " refers to IGBT pipe or metal-oxide-semiconductor；
" Flash cell " refers to the period of single led lamp fast blink；
" electric vehicle " refers to including four-wheel electric motor car automobile, electric bus, electric bus, electric sightseeing vehicle, electronic sweeps
The battery powers such as ground vehicle, electri forklift, carriage for children, electric bicycle, Moped Scooter, battery-operated motor cycle, electro-tricycle
Vehicle.
The power supply of traditional charger control system from AC system, need by AC220V/380V alternating current circuit,
AC/DC translation circuit, rectification circuit, power control circuit, power transformer conversion circuit can just obtain, and need feed back and
Isolation circuit could be completed.The power control circuit also includes the circuit of power supply chip and periphery complexity.As Fig. 1 tradition charges
Shown in device control system power supply architecture figure, circuit construction of electric power is complicated, so that charger increased costs, reliability is reduced.And
Because charger input terminal is not when inserting alternating current, system is out of power to work, and can not communicate with the other intelligent parts of electric vehicle.
Traditional charger protective tube is gone here and there in input power circuit, if rear end charger is abnormal, overcurrent or
The time of short-circuit protection is long, it is possible to cause fire or burn out more components.As Fig. 3 tradition prime power converts electricity
Shown in line structure figure, the position of protective tube is gone here and there in mains circuit.
The display of conventional charger state is two or more LED light, and cost is relatively high, and is shown interior
Hold fewer.
Conventional charger does not have external Battery temperature probe interface, cannot achieve compensation and the battery of battery temperature
The protection of high temperature.
Conventional charger radiator fan is high-speed rotation always when working, and revolving speed is constant.This affects radiation air
The service life of fan, while the power consumption of charger is larger.
Traditional charger, can not be with external communication without external communication interface.
Summary of the invention
The purpose of this utility model seeks to solve the conventional charger above problem.The system power supply of charger directly from
Battery takes electricity, to reduce cost and improve reliability.Protective tube moves on to behind rectification and pfc circuit, then meets transformer pwm
Circuit, as long as switching tube puncture short, protective tube can work quickly.The revolving speed of radiator fan is according to charger state of temperature
It adjusts, to prolong the service life and reduce charger power consumption.Charger states are shown with a LED light, and are increased
Show content.External communication interface, so as to other intelligent electric appliance parts swap data.External temperature sensor interface detects
The temperature of battery.
The charger includes control system circuit, power circuit, rear class rectified power circuit, transformer pwm circuit, preceding
Grade circuit for power conversion.
The control system circuit connects the rear class rectified power circuit, for detecting output current of charger and electric power storage
Pond end voltage.
The transformer pwm circuit includes HF switch pipe and high-frequency power transformer, the control system circuit connection
The HF switch pipe, the adjusting for output power.The control system circuit includes mcu chip, controls institute by the mcu
HF switch pipe is stated, and power output is obtained by the high-frequency power transformer.This process is commonly referred to as pwm pulsewidth tune
System.So-called high frequency switch power just derives from this.
The control system circuit connects prime circuit for power conversion, for detecting the phase or electricity of charger input power
Pressure height.The connection needs to be isolated transmission, is normally applied photoelectrical coupler chip.The voltage for detecting power supply is for over-voltage
Or under-voltage protection.Detecting phase is for power factor regulation.
The power circuit connects the control system circuit, for providing power supply to the control system circuit.It is described
Power circuit generally exports two-way: all the way for 2.7v ~ 5.0v low pressure give chip power supply, another way 9v ~ 24v high pressure to switching tube,
The power supplies such as fan, relay.
The rear class rectified power circuit includes the output interface connecting with battery.The power circuit connection is described defeated
Outgoing interface is directly inputted from the anode that the output interface introduces battery, then provides institute to the control system circuit
The multiple power supplies needed.
The system power supply of the charger directly takes electricity from battery, to reduce cost and improve reliability.Traditional
The power supply of charger control system from AC system, need by AC220V/380V alternating current circuit, AC/DC translation circuit,
Rectification circuit, power control circuit, power transformer conversion circuit can just obtain, and need feedback and isolation circuit could be complete
At.And power control circuit also includes the circuit of power supply chip and periphery complexity.Each of which increases costs, while also influencing
Reliability.
The system power supply of the charger directly takes electricity from battery, it is ensured that it can also work when charger alternating current pulls out,
For example externally communication, malfunction coefficient, accumulator electric-quantity are shown.Also it can detect or show including protective tube melting fault.
The prime circuit for power conversion includes rectification and pfc circuit, protective tube.
The anode connection rectification of the protective tube is exported with pfc circuit, and cathode connects the transformer pwm circuit,
So as to improve the sensitivity of late-class circuit overcurrent or short-circuit protection.The rectification includes commutation capacitor, high-end charging with pfc circuit
Device further includes PFC PFC.Because the protective tube moves back, once the current anomaly of the switching tube, it immediately can be with
Fusing, protects late-class circuit quickly.The voltage release for not needing commutation capacitor, when shortening the movement of the protective tube
Between.
The control system circuit includes mcu circuit, LED display circuit, communicating circuit, radiating management circuit, battery temperature
Spend detection circuit.
The LED display circuit includes a LED display lamp, and LED display circuit described in the mcu circuit connection simultaneously controls
The switch of the LED charges using the length of the LED Flash cell interval time and the flashing times of Flash cell to show
Device status information, fault message or information about power.
The radiating management circuit includes radiator fan, radiating management circuit described in the mcu circuit connection, according to charging
The different state of temperature of device controls the revolving speed of the radiator fan, to extend the service life of fan and reduce the function of charger
Consumption.The low radiating fan rotation speed of charger temperature is with regard to low, it is therefore an objective to prolong the service life and reduce charger power consumption.It is described to dissipate
The control of Hot-air fan revolving speed is also to be realized using pwm.
The communicating circuit includes that external communication interface can connect other intelligent objects on vehicle, as instrument, electric machine controller,
Each intelligent object of BMS battery management system, bus control system etc..Communicating circuit described in the mcu circuit connection is realized external
Communication and data exchange.Application especially suitable for body electric system bus control system.
The battery temperature detection circuit includes external temperature sensor interface and connects temperature sensor, the mcu electricity
Road connects the temperature sensing circuit, for detecting the temperature of battery, to realize the compensation of battery charging temperature and temperature
Protection.Market charger at present, special external charger cannot achieve the function without external Battery temperature probe interface
Energy.
A kind of electric vehicle is mounted with the multifunctional charger.
Detailed description of the invention
Fig. 1 is conventional charger control system power supply architecture figure；
Fig. 2 is the utility model charger control system power supply architecture figure；
Fig. 3 is traditional prime circuit for power conversion structure chart；
Fig. 4 is the utility model prime circuit for power conversion structure chart；
Fig. 5 is the utility model charger system structure chart；
Fig. 6 is the utility model charger control system architecture figure；
Fig. 7 is a kind of power circuit.
Specific embodiment
Fig. 5 is the utility model charger system structure chart.
The charger includes control system circuit 1, power circuit 3, rear class rectified power circuit 5, transformer pwm circuit
2, prime circuit for power conversion 4.
Control system circuit 1 connects the rear class rectified power circuit 5, for detecting output current of charger and battery
Hold voltage.
Transformer pwm circuit 2 includes HF switch pipe and high-frequency power transformer, and control system circuit 2 connects the height
Frequency switching tube, the adjusting for output power.Control system circuit 2 includes mcu chip, controls the high frequency by the mcu and opens
Guan Guan, and power output is obtained by the high-frequency power transformer.
Transformer pwm circuit 2 also includes the driving circuit of the HF switch pipe.The material of the high-frequency power transformer
Usually ferrite rather than silicon steel sheet.
Control system circuit 1 connects prime circuit for power conversion 4, for detecting the phase or voltage of charger input power
Just.The connection needs to be isolated transmission, is normally applied photoelectrical coupler chip.The voltage of detection power supply be for over-voltage or
Under-voltage protection.Detecting phase is for power factor regulation.
The internal structure of the prime circuit for power conversion 4 of Fig. 5 is shown in Fig. 4, includes: AC220V380V AC power source 3, AC/DC
Translation circuit 4, rectification and pfc circuit 5, protective tube 1.
Further, the AC220V380V AC power source 3 of 1 connection figure 4 of control system circuit of Fig. 5.
Shown in Fig. 5, power circuit 3 connects control system circuit 1, for providing power supply to control system circuit 1.Power supply electricity
Road 3 generally exports two-way: all the way for 2.7v ~ 5.0v low pressure give chip power supply, another way 9v ~ 24v high pressure to switching tube, fan,
The power supplies such as relay.
Rear class rectified power circuit 5 includes the output interface connecting with battery.Power circuit 3 connects the output and connects
Mouthful, it is directly inputted from the anode that the output interface introduces battery, then required multichannel is provided to control system circuit 1
Power supply.
The system power supply of the charger directly takes electricity from battery, to reduce cost and improve reliability.
The system power supply of the charger directly takes electricity from battery, it is ensured that it can also work when charger alternating current pulls out,
For example externally communication, malfunction coefficient, accumulator electric-quantity are shown.Also it can detect or show including protective tube melting fault.
Fig. 7 is a kind of power circuit, its input derives from battery BatVoltage, exports 2 road voltages: high pressure
HighVoltage, low pressure LowVoltage.
Shown in Fig. 5, prime circuit for power conversion 4 includes rectification and pfc circuit, protective tube, such as Fig. 4.
Fig. 4 is the utility model prime circuit for power conversion structure chart.
Anode connection rectification and the pfc circuit 5 of protective tube 1 export, and cathode connects transformer pwm circuit 2, so as to improve rear
The sensitivity of grade circuit overcurrent or short-circuit protection.Rectification includes commutation capacitor with pfc circuit 5, and high-end charger further includes PFC function
Rate factor correcting.Because protective tube 1 moves back, once the current anomaly of the switching tube, can fuse immediately, obtain late-class circuit
To quick protection.The voltage release for not needing commutation capacitor, shortens the guard time of protective tube 1.
Control system circuit 1 includes mcu circuit, LED display circuit, communicating circuit, radiating management circuit, battery in Fig. 5
Temperature sensing circuit.Such as Fig. 6.
Fig. 6 is the utility model charger control system architecture figure.
LED display circuit 2 includes a LED display lamp, and mcu circuit 1 connects LED display circuit 2 and controls the LED
Switch, show charger states using the length of LED Flash cell interval time and the flashing times of Flash cell
Information, fault message or information about power.
One of display methods are as follows:
When alternating current plugs punching electricity, selecting Flash cell interval time length is fault message, and flashing times representing fault is compiled
Code.Analogy, which is dodged, to be represented input power over-voltage for 1 time, dodges and represent that input power is under-voltage, dodges 3 times and represents charger overheat protector for 2 times.
When alternating current plugs punching electricity, select Flash cell interval time short for status information, flashing times representative charging rank
Section.It suppose that dodging 1 time represents the stage of rushing in advance, represent constant-current charging phase for sudden strain of a muscle 2 times, represent constant voltage charging phase sudden strain of a muscle 3 times.Or dodge
Faster battery fills fuller, or charging dodged less than 80% trickle charge electricity is greater than and 80% dodges fastly.There can also be other performance shapes
Formula.
When alternating current pulls out electric vehicle booting, select Flash cell interval time short for remaining capacity information, flashing times
Represent the ratio of remaining capacity.It such as dodges and represents 10% for 1 time, dodges 2 times and represent 20%, dodging 10 times and represent 100%.Or it dodges faster surplus
Yu Yue is more or remaining capacity is greater than 80% less than the slow remaining capacity of 80% sudden strain of a muscle and dodges fastly.There are also other forms of expression.
It particularly points out.It here is an example, there are also other combinations to show, but core is 1 LED to show.These
It is all the protection scope of the utility model.
It points out again, the position of the LED light can be on charger panel, can also be shown over long distances by line
On bridge or instrument board.
In Fig. 6, radiating management circuit 3 includes radiator fan, and mcu circuit 1 connects radiating management circuit 3, according to charger
Different state of temperatures controls the revolving speed of the radiator fan, to extend the service life of fan and reduce the function of charger
Consumption.The low control radiating fan rotation speed of charger temperature is low, so that it may extend the radiator fan service life and reduce and fill
Power consumption of electrical appliances.The control of the radiating fan rotation speed is also to be realized using pwm.
In Fig. 6, communicating circuit 4 includes external communication interface and connects other intelligent objects, mcu circuit 1 connecting communication electricity
Externally communication and data exchange are realized in road 4.Application of this structure especially suitable for body electric system bus control system.
Battery temperature detection circuit 5 includes external temperature sensor interface and connects temperature sensor, and mcu circuit 1 connects
Temperature sensing circuit 5, for detecting the temperature of battery, to realize the compensation of battery charging temperature and temperature protection.At present
Market charger, special external charger cannot achieve the function without external Battery temperature probe interface.
A kind of electric vehicle is mounted with the multifunctional charger.
The description of the embodiments and the specification only illustrate the principle of the present utility model and one of example, according to
This principle will also have various changes and improvements, these changes and improvements are all to belong to the rights protection scope of the utility model.
Claims (8)
1. a kind of multi-functional charger, it is characterised in that: the charger includes control system circuit, power circuit, rear class
Rectified power circuit, transformer pwm circuit, prime circuit for power conversion；The control system circuit connects the rear class rectification
Power circuit, for detecting output current of charger and accumulator voltage；The transformer pwm circuit includes HF switch pipe
And high-frequency power transformer, the control system circuit connect the HF switch pipe, the adjusting for output power；The control
Circuit system processed connects prime circuit for power conversion, for detecting the phase or voltage levels of charger input power；The electricity
Source circuit connects the control system circuit, for providing power supply to the control system circuit；The control system circuit packet
Include mcu circuit, LED display circuit, communicating circuit, radiating management circuit, battery temperature detection circuit.
2. a kind of multi-functional charger according to claim 1, it is characterised in that: the rear class rectified power circuit packet
Containing the output interface being connect with battery；The power circuit connects the output interface, directly introduces from the output interface
The anode of battery inputs, the multiple power supplies needed for then providing to the control system circuit.
3. a kind of multi-functional charger according to claim 1, it is characterised in that: the prime circuit for power conversion packet
Containing rectification and pfc circuit, protective tube；The anode connection rectification of the protective tube is exported with pfc circuit, described in cathode connection
Transformer pwm circuit, so as to improve the sensitivity of late-class circuit overcurrent or short-circuit protection.
4. a kind of multi-functional charger according to claim 1, it is characterised in that: the LED display circuit includes one
A LED display lamp, LED display circuit described in the mcu circuit connection and the switch for controlling the LED, flash using the LED
Different modes show charger states information, fault message or information about power.
5. a kind of multi-functional charger according to claim 1, it is characterised in that: the radiating management circuit includes to dissipate
Hot-air fan, radiating management circuit described in the mcu circuit connection control the radiation air according to the different state of temperature of charger
The revolving speed of fan, to extend the service life of fan and reduce the power consumption of charger.
6. a kind of multi-functional charger according to claim 1, it is characterised in that: the communicating circuit includes outer connection
Communication interface can connect intelligent object on vehicle, and communicating circuit described in the mcu circuit connection realizes externally communication and data exchange.
7. a kind of multi-functional charger according to claim 1, it is characterised in that: the battery temperature detection circuit packet
Interface containing external temperature sensor simultaneously connects temperature sensor, the mcu circuit connection temperature sensing circuit, for detecting electric power storage
The temperature in pond, to realize the compensation of battery charging temperature and temperature protection.
8. a kind of electric vehicle, it is characterised in that: the electric vehicle is mounted with one kind described in any one of claims 1 to 7
Multi-functional charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920008256.5U CN209170027U (en) | 2019-01-03 | 2019-01-03 | A kind of multi-functional charger and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920008256.5U CN209170027U (en) | 2019-01-03 | 2019-01-03 | A kind of multi-functional charger and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209170027U true CN209170027U (en) | 2019-07-26 |
Family
ID=67328042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920008256.5U Active CN209170027U (en) | 2019-01-03 | 2019-01-03 | A kind of multi-functional charger and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209170027U (en) |
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2019
- 2019-01-03 CN CN201920008256.5U patent/CN209170027U/en active Active
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