CN106347153A - Control guide circuit of charging pile and charging pile - Google Patents
Control guide circuit of charging pile and charging pile Download PDFInfo
- Publication number
- CN106347153A CN106347153A CN201610802195.0A CN201610802195A CN106347153A CN 106347153 A CN106347153 A CN 106347153A CN 201610802195 A CN201610802195 A CN 201610802195A CN 106347153 A CN106347153 A CN 106347153A
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- Prior art keywords
- power source
- external power
- controlling switch
- voltage
- charging pile
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
The invention relates to a control guide circuit of a charging pile and the charging pile. When an external controller provides pulse signals, on the one hand, the pulse signals are transmitted to a second control switch, on the other hand, the pulse signals are reversed to obtain reverse pulse signals to be transmitted to a first control switch, the first control switch and the second control switch are driven to be connected at different times through the pulse signals and the reverse pulse signals which are opposite in phase, voltage isolated output of a second external power source and a third external power source is achieved, the pulse signals are converted into pulse signals with the amplitudes being voltage provided by the second external power source and voltage provided by the third external power source respectively, in other words, by setting the connecting relationship among a reverser, the first control switch, the second control switch and a device, isolation of voltage output of the two external power sources can be achieved, and voltage conversion of the pulse signals can also be achieved. The number of circuit devices is small, the circuit is simple, fault points can be reduced, and reliability of the control guide circuit can be improved.
Description
Technical field
The present invention relates to technical field of electric power, the control guidance circuit particularly to a kind of charging pile and charging pile.
Background technology
With the attention to Green Travel for the people, electric vehicle is increasingly popularized, and charges in time really for convenience of electric vehicle
Protect electric vehicle normally to run, the application of charger also gets more and more, for example increasing charging pile be arranged on roadside with
For electric vehicle charging, thus, when being charged to electric vehicle, safety and reliability is most important for charger.Profit
When being electric vehicle charging with charging pile, if be charged in the case that charging pile is not fully connected with electric vehicle, hold
The waste easily caused danger with the energy, for guaranteeing charge safety and reliability, country has put into effect charging pile standard, that is, need charging
Control pilot circuit is set in stake, and charging pile is connected with electric vehicle by control pilot circuit, realizes electric vehicle is filled
Electricity.Produced by control pilot circuit and control confirmation signal (pulse signal) to electric vehicle, electric vehicle can be true according to controlling
The voltage recognizing test point in signal and vehicle judges whether vehicle interface is fully connected, in charging pile battery charge controller according to
The voltage controlling test point in confirmation signal and charging pile can determine whether whether power supply interface is fully connected, and electric vehicle can root
Judge charging current according to the dutycycle controlling confirmation signal, be charged when being fully connected successfully, and if charge electricity
Stream exceedes the rated current of electric vehicle, and electric vehicle does not receive charging, to ensure the safety of charging.
However, existing control pilot circuit generally comprises pwm signal generating circuit, isolation circuit and level conversion electricity
Road, that is, need to design above-mentioned three kinds single circuit to form control pilot circuit, the device that control pilot circuit comprises is various,
Complex circuit designs, the point being susceptible to fault is many, leads to safety and reliability low.
Content of the invention
Based on this it is necessary to for the low problem of existing control pilot circuit reliability, provide a kind of raising reliability
Control guidance circuit and charging pile.
A kind of control guidance circuit of charging pile, including reverser, the first controlling switch and the second controlling switch, described
The input of reverser is connected with the outfan of peripheral control unit, the output with described phase inverter respectively of described first controlling switch
End, the first external power source, the second external power source and outside charging equipment connect, described second controlling switch respectively with described
The outfan of peripheral control unit, described first external power source, the 3rd external power source and described outside charging equipment connect；
Described peripheral control unit is described reverser and described second controlling switch provides pulse signal, outside described first
Portion's power supply is described first controlling switch and described second controlling switch provides first voltage, and described first voltage is less than or waits
In the maximum of described pulse signal, and the minima more than described pulse signal, described reverser will be anti-for described pulse signal
Obtain reverse impulse signal backward and transmit to described first controlling switch, when the value of described pulse signal is more than or equal to described
During first voltage, described first controlling switch connects the company between described second external power source and described outside charging equipment
Connect, described second controlling switch disconnects the connection between described 3rd external power source and described outside charging equipment, when described
When the value of pulse signal is less than described first voltage, described second controlling switch connects described 3rd external power source and waits to fill with described
Connection between electric equipment, described first controlling switch disconnects the company between described second external power source and described charging equipment
Connect.
Wherein in an embodiment, described first controlling switch is the first photoelectrical coupler, described second controlling switch
For the second photoelectrical coupler, described first photoelectrical coupler include first end, the second end, the 3rd end, the 4th end, first luminous two
Pole pipe and the first phototriode, described second photoelectrical coupler include the 5th end, the 6th end, the 7th end, the 8th end, second
Light emitting diode and the second phototriode, the outfan of described reverser is connected with described second end, described first end with
Described first external power source connects, and described 3rd end is connected with described outside charging equipment, described 4th end and described second
External power source connects, and the positive pole of described first light emitting diode is connected with described first end, the negative pole of the first light emitting diode and
Described second end connects, and the colelctor electrode of described first phototriode is connected with described 4th end, described first phototriode
Emitter stage and described three-terminal link, described 5th end is connected with described first external power source, described 6th end and described outward
The outfan of portion's controller connects, and described 7th end is connected with described 3rd external power source, and described 8th end is treated with described outside
Charger connects, and the positive pole of described second light emitting diode is connected with described 5th end, the negative pole of the second light emitting diode and
Described six end connecting, the colelctor electrode of described second phototriode is connected with described 8th end, described second phototriode
Emitter stage be connected with described 7th end.
Wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes being connected to described peripheral control unit
Outfan and the input of described reverser between first resistor, the input of described first resistor and described reverser is even
The one end connecing also is connected with described second controlling switch.
Wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes second resistance, described second electricity
Resistance is connected between the outfan of described reverser and described first controlling switch.
Wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes being connected to described peripheral control unit
Outfan and described second controlling switch between 3rd resistor.
Wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes being connected to described first external electrical
The 4th resistance between source and described first controlling switch, one end that described 4th resistance is connected with described first external power source is also
It is connected with described second controlling switch.
Wherein in an embodiment, the described first voltage that described first external power source provides is 3.3 volts, described outer
The described pulse signal that portion's controller provides is the pulse-width signal of 0～3.3v.
Wherein in an embodiment, described second external power source provides positive 12 volts of voltage, described 3rd external electrical
Source provides minus 12 volts of voltage.
The present invention also provides a kind of charging pile, appoints including charge power supply input interface, charge switch and claim 1-8
Control guidance circuit described in meaning one and described peripheral control unit, described charge power supply input interface connects external charging electricity
Source, described charge power supply input interface is connected with described charging equipment by described charge switch, described charge switch and institute
State peripheral control unit to connect.
Wherein in an embodiment, above-mentioned charging pile also includes charging inlet, and described charging inlet is by described charging
Switch is connected with described charge power supply input interface.
Pulse signal, when peripheral control unit provides pulse signal, is on the one hand passed by the control guidance circuit of above-mentioned charging pile
Transport to the second controlling switch, on the other hand pulse signal is reversely obtained reverse impulse signal transmission to the first controlling switch, lead to
Cross pulse signal and the reverse impulse signal of above-mentioned opposite in phase, drive the second controlling switch and the first controlling switch respectively
In different time conducting, realize the voltage isolation and amplifier of the second external power source and the 3rd external power source and realize pulse signal and turn
It is changed to amplitude and the voltage of the second external power source offer and the pulse signal of the voltage of the 3rd external power source offer are provided, that is,
Say by arranging the annexation between a reverser, the first controlling switch, the second controlling switch and device, you can realize
The isolation of above-mentioned two outer power voltage output can achieve the voltage conversion of pulse signal again, and circuit devcie is few, and circuit is simple,
Thus can reduce the fault point, provide the reliability controlling guidance circuit.
Above-mentioned charging pile, provides pulse signal by peripheral control unit, on the one hand by pulse signal transmission to the second control
On the other hand pulse signal is reversely obtained reverse impulse signal transmission to the first controlling switch by reverser, passes through by switch
The pulse signal of above-mentioned opposite in phase and reverse impulse signal, drive the second controlling switch and the first controlling switch to exist respectively
Different time turns on, and realizes the voltage isolation and amplifier of the second external power source and the 3rd external power source and realizes pulse signal conversion
For amplitude be respectively second external power source provide voltage and the 3rd external power source provide voltage pulse signal that is to say, that
By arranging the annexation between a reverser, the first controlling switch, the second controlling switch and device, you can in realization
The isolation stating two outer power voltage outputs can achieve the voltage conversion of pulse signal again, and circuit devcie is few, and circuit is simple, from
And can reduce the fault point, provide the reliability controlling guidance circuit, thus improving charging pile charging security and reliability.
Brief description
Fig. 1 is a kind of structural representation of the control guidance circuit of charging pile of embodiment；
Fig. 2 is the structural representation of the control guidance circuit of the charging pile of another kind of embodiment；
Fig. 3 is the structural representation of the control guidance circuit of the charging pile of another kind of embodiment；
Fig. 4 is a kind of structural representation of the charging pile of embodiment.
Specific embodiment
Refer to Fig. 1, a kind of control guidance circuit of the charging pile of embodiment is provided, control including reverser 110, first
Switch 120 and the second controlling switch 130, the input of reverser 110 is connected with the outfan of peripheral control unit 140, described
First controlling switch 120 respectively with the outfan of described phase inverter 110, the first external power source 150, the second external power source 160 with
And outside charging equipment 170 connects, described second controlling switch 130 outfan, the institute with described peripheral control unit 140 respectively
State the first external power source 150, the 3rd external power source 180 and described outside charging equipment 170 to connect.
Peripheral control unit 140 is reverser 110 and the second controlling switch 130 provides pulse signal, the first external power source
150 is the first controlling switch 120 and the second controlling switch 130 provides first voltage, and first voltage is less than or equal to pulse and believes
Number maximum, and more than pulse signal minima, reverser 110 by pulse signal reversely afterwards obtain reverse impulse signal simultaneously
Transmit to the first controlling switch 120 that is to say, that pulse signal is reversely obtained and pulse signal opposite in phase by reverser 110
Reverse impulse signal.When the value of pulse signal is more than or equal to first voltage, pulse signal is through the anti-back kick of reverser 110
It is defeated by the first controlling switch 120, the first controlling switch 120 connects between the second external power source 160 and outside charging equipment 170
Connection that is to say, that the second external power source 160 passes through the first controlling switch 120 connects with outside charging equipment 170, above-mentioned
To the second controlling switch 130, it is to be charged with outside that the second controlling switch 130 disconnects the 3rd external power source 180 to pulse signal transmission
Connection between equipment 170 is that is to say, that the 3rd external power source 180 passes through the second controlling switch 130 and outside charging equipment
170 disconnections.When the value of pulse signal is less than first voltage, described second controlling switch connects described 3rd external power source and institute
State the connection between charging equipment, described first controlling switch disconnect described second external power source and described charging equipment it
Between connection that is to say, that the 3rd external power source 180 passes through the second controlling switch 130 connects with outside charging equipment 170,
Second external power source 160 is passed through the first controlling switch 120 and is disconnected with outside charging equipment 170.
When the value of pulse signal is more than or equal to first voltage, the first controlling switch 120 controls the second external power source 160
Connect with outside charging equipment 170, because first voltage is more than the minima of pulse signal, now reverse impulse signal is less than
First voltage, the 3rd external power source 180 pass through the second controlling switch 130 disconnect with outside charging equipment 170 that is to say, that this
When outside charging equipment 170 is outputed voltage signal to by the second external power source 160, when pulse signal value be less than first electricity
During pressure, the second controlling switch 130 controls the 3rd external power source 180 to connect with outside charging equipment 170, because first voltage is little
In or be equal to pulse signal maximum, and now reverse impulse signal be more than or equal to first voltage signal, the second external electrical
Source 160 is passed through the first controlling switch 120 and is disconnected with outside charging equipment 170, exports electricity now by the 3rd external power source 180
Pressure signal gives outside charging equipment 170, realizes the voltage isolation to outside charging equipment 170 for the output.
The control guidance circuit of above-mentioned charging pile, when peripheral control unit 140 provides pulse signal, on the one hand by pulse signal
Transmit to the second controlling switch 130, on the other hand pulse signal is reversely obtained the direction pulse reverse with pulse signal phase place
Signal transmission, to the first controlling switch 120, by pulse signal and the reverse impulse signal of above-mentioned opposite in phase, drives respectively
Second controlling switch 130 and the first controlling switch 120 turn in different time, realize outside the second external power source 160 and the 3rd
The voltage isolation and amplifier of portion's power supply 180 and realize pulse signal be converted to amplitude be respectively the second external power source 160 provide
The pulse signal of the voltage of voltage and the 3rd external power source 180 offer is that is to say, that pass through to arrange a reverser, the first control
Annexation between switch the 120, second controlling switch 130 and device, both can achieve that above-mentioned two outer power voltage was defeated
The isolation going out can achieve the voltage conversion of pulse signal again, and circuit devcie is few, and circuit is simple, thus can reduce the fault point, provides
Control the reliability of guidance circuit.
Specifically, also include controlling confirmation signal outfan, the first controlling switch 120 and 130 points of the second controlling switch
It is not connected with controlling confirmation signal outfan, the first controlling switch 120 and the second controlling switch 130 are all by controlling confirmation letter
Number outfan is connected with outside charging equipment 170.That is, when the second external power source 160 output voltage is waited to fill to outside
During electric equipment 170, the second external power source 160 is passed through the first controlling switch 120 and is connected with control confirmation signal outfan, outside second
Portion's power supply 160 passes through to control confirmation signal outfan to be connected with outside charging equipment 170.When the 3rd external power source 180 exports
When voltage gives outside charging equipment 170, it is defeated with control confirmation signal that the 3rd external power source 180 passes through the second controlling switch 130
Go out end to connect, the 3rd external power source 180 passes through to control confirmation signal outfan to be connected with outside charging equipment 170.In this reality
Apply in example, the guidance circuit that controls of above-mentioned charging pile is also included connecting and opened with the second control with the outfan of peripheral control unit 140
Close the second reverser between 130 and the 3rd reverser, specifically, the input of described second reverser and peripheral control unit
140 outfan connects, and is also connected with the input of the first reverser 110, and the outfan of the second reverser is reverse with the 3rd
The input of device connects, and the outfan of the 3rd reverser is connected with the second controlling switch 130.Pulse signal passes through two reversers
Be reversely equivalently employed without reversely, so that it is guaranteed that output of pulse signal is to the second controlling switch 130.Specifically, control confirmation letter
Junction point number between outfan and the first controlling switch 120 and the second controlling switch 130 is connected, and also just says the first controlling switch
120 and second controlling switch 130 control confirmation signal outfan to be connected with outside charging equipment 170 by identical point.
Refer to Fig. 2, wherein in an embodiment, the first controlling switch 120 is the first photoelectrical coupler, the second control
Switch 130 is the second photoelectrical coupler, the first photoelectrical coupler include first end 1, the second end 2, the 3rd end 3, the 4th end 4, the
One light emitting diode t1 and the first phototriode q1, the second photoelectrical coupler include the 5th end 5, the 6th end 6, the 7th end 7,
8th end 8, the second light emitting diode t2 and the second phototriode q2.The outfan of reverser 110 is connected with the second end 2,
First end 1 is connected with the first external power source 150, and the 3rd end 3 is connected with outside charging equipment 170, outside the 4th end 4 and second
Power supply 160 connects, and the first Light-Emitting Diode t1 is connected between first end 1 and the second end 2, specifically, the first light emitting diode
The positive pole of t1 is connected with first end 1, and the negative pole of the first light emitting diode t1 is connected with the second end 2, the first phototriode q1's
Colelctor electrode is connected with the 4th end 4, and the emitter stage of the first phototriode q1 is connected with the 3rd end 3.5th end 5 and the first external electrical
Source 150 connects, and the 6th end 6 is connected with the outfan of peripheral control unit 140.7th end 7 is connected with the 3rd external power source 180, the
Eight ends 8 are connected with outside charging equipment 170, and the second Light-Emitting Diode t2 is connected between the 5th end 5 and the 6th end 6, specifically
Ground, the positive pole of the second light emitting diode t2 is connected with the 5th end 5, and the negative pole of the second light emitting diode t2 is connected with the 6th end 6, the
The colelctor electrode of two phototriode q2 is connected with the 8th end 8, and the emitter stage of the second phototriode q2 is connected with the 7th end 7.
The first voltage that first external power source 150 provides, reverser are received by the first end 1 of the first photoelectrical coupler
110 receive the pulse signal that peripheral control unit 140 provides, and pulse signals are reversely obtained reverse impulse signal, reversely
The outfan of device 110 is to be connected with the second end 2, and the first light emitting diode t1 is between first end 1 and the second end 2, from
And when the value of pulse signal is more than or equal to first voltage, pulse signal reverse impulse signal after reverser 110 is reverse
Value can be less than first voltage, thus, first voltage flows to the second end 2 from first end 1 through the first light emitting diode t1,
The voltage of the positive pole of one light emitting diode t1 is the voltage of the voltage negative pole that is more than the first light emitting diode t1 of first end 1 is the
When the voltage at two ends 2 adds the voltage of the first light emitting diode t1 conducting, the first Light-Emitting Diode turns on and lights, and first photosensitive three
Pole pipe q1 senses the light conducting that the first light emitting diode t1 sends, i.e. collector and emitter conducting, i.e. the 3rd end 3 and the 4th end
4 connections, thus the second external power source 160 is connected with outside charging equipment 170.Now, second in the second photoelectrical coupler
The positive pole of optical diode t2 receives the first voltage that the first external power source 150 provides, and the negative pole of the second light emitting diode t2 connects
Peripheral control unit 140, identical with the value of the pulse signal that peripheral control unit 140 provides, the value of pulse signal is more than or equal to the
One voltage, thus, the first voltage of the positive pole of the second light emitting diode t2 is less than or equal to the negative pole of the second light emitting diode t2
Voltage be pulse signal value, second light emitting diode t2 cut-off no current, do not light, now the second phototriode q2 cuts
Only, that is, between the colelctor electrode of the second phototriode q2 and emitter stage cut-off that is to say, that the 3rd external power source 180 passes through the
Two photoelectrical couplers are disconnected with outside charging equipment 170.Thus, when the value of pulse signal is more than or equal to first voltage,
By the second external power source 160 output voltage.On the contrary, when the value of pulse signal is less than first voltage, outside the 3rd
Power supply 180 output voltage.First photoelectrical coupler and the second photoelectrical coupler turn in different time, make the second external power source
160 and the 3rd external power source 180 different time export corresponding voltage, realize the isolation and amplifier of voltage signal.
In the present embodiment, the 3rd end 3 and the 7th end 7 are all connected with controlling confirmation signal outfan, the first photoelectric coupling
Device and the second photoelectrical coupler are all connected with outside charging equipment 170 by controlling confirmation signal outfan.Outside second
When power supply 160 end output voltage is to outside charging equipment 170, the 3rd end 3 of the second external power source 160 and the 4th end 4 are to lead
Logical, and by controlling confirmation signal outfan output voltage to outside charging equipment 170.At the 3rd external power source 180 end
When output voltage is to outside charging equipment 170, the 7th end 7 of the 3rd external power source 180 and the 8th end 8 are conductings, and lead to
Cross control confirmation signal outfan output voltage to outside charging equipment 170.
Wherein in an embodiment, the first voltage that the first external power source 150 provides is 3.3 volts, peripheral control unit
The pulse signal of 140 offers is the pulse-width signal (pwm pulse signal) of 0～3.3v, and the second external power source 160 provides positive 12
The voltage of volt, the 3rd external power source 180 provides minus 12 volts of voltage.
The opposite number of the voltage that the voltage that the second external power source 160 provides provides for the 3rd external power source 180, by first
Controlling switch 120 and the second controlling switch 130 control above-mentioned two external power source to carry for charging equipment in different periods respectively
For the contrary voltage of positive and negative values, thus realizing output to the isolation of the positive negative signal of charging equipment, and realize believing pulse
Number being converted to the voltage that positive voltage amplitude provides for the second external power source 160 and negative voltage amplitude is the 3rd external power source 180
The pulse signal of the voltage providing, exports to charging equipment.Specifically, the pwm pulse signal that peripheral control unit 140 provides
Maximum is 3.3 volts, and minima is 0 volt, and the first voltage that the first external power source 150 provides is 3.3 volts, in pulse letter
Number value be 0v time period in, in the second photoelectrical coupler the voltage of the negative pole of the second light emitting diode t2 be 0v, second
The voltage of the positive pole of optical diode t2 is 3.3v, and the second light emitting diode t2 conducting is luminous, after the first phototriode q1 is photosensitive
Conducting, exports the voltage of positive 12v by the second external power source 160, and now, the value of reverse impulse signal is 3.3v, then first
The voltage of the negative pole of optical diode t1 is 3.3, and the voltage of the positive pole of the first light emitting diode t1 is also 3.3v, does not have between two ends
Voltage drop, the first light emitting diode t1 cut-off does not light, and the second phototriode q2 cut-off is not turned on.Thus, in pulse signal
Value be 0v time period in, positive 12v voltage is exported by the second external power source 160.On the contrary, the value in pulse signal is
In the time period of 3.3v, by the negative 12v voltage of the 3rd external power source 180 output.Second external power source 160 and the 3rd external power source
180 provide the voltage of+12v and the voltage output of -12v respectively at different time end, thus realizing exporting the arteries and veins of -12v～+12v
Rush signal to charging equipment.
Refer to Fig. 3, wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes being connected to described
First resistor r1 between the input of the outfan of peripheral control unit 140 and described reverser 110, described first resistor r1 with
One end that the input of described reverser 110 connects also is connected with described second controlling switch 130.
Wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes being connected to described reverser 110
Outfan and described first controlling switch 120 between second resistance r2.Specifically, second resistance r2 be connected to described reversely
Between second end 2 of the outfan of device 110 and described first controlling switch 120.
Wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes being connected to described peripheral control unit
3rd resistor r3 between 140 outfan and described second controlling switch 130, described 3rd resistor r3 and described external control
One end that the outfan of device 140 connects also is connected with the input of described reverser 110.Specifically, 3rd resistor r3 connect with
Between the outfan of peripheral control unit 140 and the 6th end, one end that first resistor r1 is connected with the input of reverser 110 is passed through
3rd resistor r3 is connected with the second controlling switch 130, and one end that is, first resistor r1 is connected with the input of reverser 110 is passed through
3rd resistor r3 is connected with the 6th end 6 of the second controlling switch 130.
Wherein in an embodiment, the control guidance circuit of above-mentioned charging pile also includes being connected to described first external electrical
The 4th resistance r4 between source 150 and described first controlling switch 120, described 4th resistance r4 and described first external power source
One end of 150 connections is also connected with described second controlling switch 130.Specifically, the 4th resistance r4 is connected to the first external power source
Between 150 and the first end 1 of described first controlling switch 120, and the 4th resistance r4 is connected with described first external power source 150
One end is also connected with the 5th end 5 of described second controlling switch 130.
The pulse signal that peripheral control unit 140 provides transmits to control to first by first resistor r1 and second resistance r2 to be left
Close 120, the maximum of the voltage of one end that second resistance r2 is connected with the first controlling switch 120 is more than or equal to first voltage,
The minima of the voltage of one end that second resistance r2 is connected with the first controlling switch 120 is less than first voltage that is to say, that first
The maximum of the voltage of one end that voltage is connected with the first controlling switch 120 less than or equal to second resistance r2, and it is more than second
The minima of one end that resistance r2 is connected with the first controlling switch 120.
Specifically, the outfan of the 3rd reverser and six end connecting, further, the outfan of the 3rd reverser passes through
3rd resistor and six end connecting.
Refer to Fig. 4, the present invention also provides a kind of charging pile of embodiment, including charge power supply input interface 190, charge
Switch 200 and above-mentioned control guidance circuit and said external controller 140, charge power supply input interface 190 connects outside
Charge power supply, charge power supply input interface 190 is connected with charging equipment by charge switch 200, and that is, charge switch 200 connects
Between charge power supply input interface 190 and charging equipment, charge switch 200 is connected with peripheral control unit 140.
Export after the pulse signal that peripheral control unit 140 provides being changed by control guidance circuit and wait to fill to outside
Electric equipment 170, outside charging equipment 170 receives the pulse signal after this conversion, according to the inspection in outside charging equipment 170
The voltage of measuring point, can detect whether outside itself connecting interface of charging equipment 170 connects completely, in addition, peripheral control unit 140
Also the voltage of the test point in charging pile is detected, to detect whether charging pile power itself interface connects completely.When equal
When connecting complete, peripheral control unit 140 controls charge switch 200 to close, charge power supply input interface 190 and charging equipment
Connection, charge power supply input interface 190 receive external charging power supply provide charging voltage, by charge switch 200 transmit to
Charging equipment, realizes the charging to outside charging equipment 170.
Above-mentioned charging pile, provides pulse signal by peripheral control unit 140, on the one hand by pulse signal transmission to the second control
On the other hand pulse signal is reversely obtained reverse impulse signal transmission by reverser 110 and opens to the first control by switch 130 processed
Close 120, by pulse signal and the reverse impulse signal of above-mentioned opposite in phase, drive respectively the second controlling switch 130 and
First controlling switch 120 turns in different time, realizes the voltage isolation of the second external power source 160 and the 3rd external power source 180
Export and realize pulse signal and be converted to voltage and the 3rd external power source that amplitude is respectively the second external power source 160 offer
The pulse signal of the voltage of 180 offers is that is to say, that by arranging a reverser, first controlling switch the 120, second control is opened
Close the annexation between 130 and device, not only can achieve the isolation of above-mentioned two outer power voltage output but also can achieve arteries and veins
Rush the voltage conversion of signal, circuit devcie is few, circuit is simple, thus can reduce the fault point, provide the reliability controlling guidance circuit
Property, thus improving charging pile charging security and reliability.
Wherein in an embodiment, above-mentioned charging pile also includes power supply interface, power supply interface pass through charge switch 200 with
Charge power supply input interface 190 connects.That is, power supply interface is connected with outside charging equipment 170, when connection checks out
When carrying out charging after finishing, transmitted to power supply interface by charge power supply input interface 190 receiving voltage, outside charging equipment
170 realize charging from power supply interface receiving voltage.
Specifically, charging pile also includes housing, and above-mentioned control guidance circuit, peripheral control unit 140, charge power supply input connect
Mouth 190, charge switch 200 and power supply interface are placed in housing.To avoid the interference to device for the external environment.
Each technical characteristic of above example can arbitrarily be combined, for making description succinct, not to above-described embodiment
In all possible combination of each technical characteristic be all described, as long as however, the combination of these technical characteristics does not have lance
Shield, is all considered to be the scope of this specification record.
Above example only have expressed several embodiments of the present invention, and its description is more concrete and in detail, but can not be because
This and be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, not
On the premise of departing from present inventive concept, some deformation can also be made and improve, these broadly fall into protection scope of the present invention.Cause
This, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of control guidance circuit of charging pile is it is characterised in that include reverser, the first controlling switch and the second control
Switch, the input of described reverser is connected with the outfan of peripheral control unit, and described first controlling switch is anti-with described respectively
The outfan of phase device, the first external power source, the second external power source and outside charging equipment connect, described second controlling switch
To be charged with the outfan of described peripheral control unit, described first external power source, the 3rd external power source and described outside respectively
Equipment connects；
Described peripheral control unit is described reverser and described second controlling switch provides pulse signal, described first external electrical
Source is described first controlling switch and described second controlling switch provides first voltage, and described first voltage is less than or equal to institute
State the maximum of pulse signal, and the minima more than described pulse signal, after described reverser will be reverse for described pulse signal
Obtain reverse impulse signal and transmit to described first controlling switch, when the value of described pulse signal is more than or equal to described first
During voltage, described first controlling switch connects the connection between described second external power source and described outside charging equipment, institute
State the connection that the second controlling switch disconnects between described 3rd external power source and described outside charging equipment, when described pulse letter
Number value when being less than described first voltage, described second controlling switch connects described 3rd external power source and described charging equipment
Between connection, described first controlling switch disconnects the connection between described second external power source and described charging equipment.
2. the control guidance circuit of charging pile according to claim 1 is it is characterised in that described first controlling switch is the
One photoelectrical coupler, described second controlling switch is the second photoelectrical coupler, described first photoelectrical coupler include first end, the
Two ends, the 3rd end, the 4th end, the first light emitting diode and the first phototriode, described second photoelectrical coupler includes
Five ends, the 6th end, the 7th end, the 8th end, the second light emitting diode and the second phototriode, the outfan of described reverser
It is connected with described second end, described first end is connected with described first external power source, described 3rd end is to be charged with described outside
Equipment connects, and described 4th end is connected with described second external power source, the positive pole of described first light emitting diode and described first
End connects, and the negative pole of the first light emitting diode is connected with described second end, the colelctor electrode of described first phototriode with described
4th end connection, the emitter stage of described first phototriode and described three-terminal link, outside described 5th end and described first
Portion power supply connects, and described 6th end is connected with the outfan of described peripheral control unit, described 7th end and described 3rd external electrical
Source connects, and described 8th end is connected with described outside charging equipment, the positive pole of described second light emitting diode and the described 5th
End connects, the negative pole of the second light emitting diode and described six end connecting, the colelctor electrode of described second phototriode with described
8th end connects, and the emitter stage of described second phototriode is connected with described 7th end.
3. the control guidance circuit of charging pile according to claim 1 is it is characterised in that also include being connected to described outside
First resistor between the input of the outfan of controller and described reverser, described first resistor is defeated with described reverser
The one end entering end connection is also connected with described second controlling switch.
4. the control guidance circuit of charging pile according to claim 1 is it is characterised in that also including second resistance, described
Second resistance is connected between the outfan of described reverser and described first controlling switch.
5. the control guidance circuit of charging pile according to claim 1 is it is characterised in that also include being connected to described outside
3rd resistor between the outfan of controller and described second controlling switch.
6. the control guidance circuit of charging pile according to claim 1 is it is characterised in that also include being connected to described first
The 4th resistance between external power source and described first controlling switch, described 4th resistance is connected with described first external power source
One end is also connected with described second controlling switch.
7. the control guidance circuit of charging pile according to claim 1 is it is characterised in that described first external power source provides
Described first voltage be 3.3 volts, the described pulse signal that described peripheral control unit provides is the pulsewidth modulation letter of 0～3.3v
Number.
8. the control guidance circuit of charging pile according to claim 1 is it is characterised in that described second external power source provides
Positive 12 volts of voltage, described 3rd external power source provides minus 12 volts of voltage.
9. a kind of charging pile is it is characterised in that inclusion charge power supply input interface, charge switch and claim 1-8 are any
Control guidance circuit described in one and described peripheral control unit, described charge power supply input interface connects external charging electricity
Source, described charge power supply input interface is connected with described charging equipment by described charge switch, described charge switch and institute
State peripheral control unit to connect.
10. it is characterised in that also including charging inlet, described charging inlet passes through institute to charging pile according to claim 9
State charge switch to be connected with described charge power supply input interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802195.0A CN106347153B (en) | 2016-09-05 | 2016-09-05 | The control guidance circuit and charging pile of charging pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802195.0A CN106347153B (en) | 2016-09-05 | 2016-09-05 | The control guidance circuit and charging pile of charging pile |
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| CN106347153B CN106347153B (en) | 2018-09-21 |
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|---|---|---|---|---|
| JP2010213520A (en) * | 2009-03-12 | 2010-09-24 | Nissan Motor Co Ltd | Power supply device |
| CN202172289U (en) * | 2011-07-28 | 2012-03-21 | 比亚迪股份有限公司 | Charging control system of electric automobile |
| CN102487208A (en) * | 2010-12-02 | 2012-06-06 | 比亚迪股份有限公司 | Charging control guidance circuit used for electrical vehicle |
| CN102820686A (en) * | 2012-07-31 | 2012-12-12 | 华立仪表集团股份有限公司 | Charging control guidance module for alternating-current charge spot of electric vehicle and guidance method of charging control guidance module |
| CN103872712A (en) * | 2012-12-13 | 2014-06-18 | 西门子公司 | Control guiding device, charging socket, electric automobile charging device and system |
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2016
- 2016-09-05 CN CN201610802195.0A patent/CN106347153B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010213520A (en) * | 2009-03-12 | 2010-09-24 | Nissan Motor Co Ltd | Power supply device |
| CN102487208A (en) * | 2010-12-02 | 2012-06-06 | 比亚迪股份有限公司 | Charging control guidance circuit used for electrical vehicle |
| CN202172289U (en) * | 2011-07-28 | 2012-03-21 | 比亚迪股份有限公司 | Charging control system of electric automobile |
| CN102820686A (en) * | 2012-07-31 | 2012-12-12 | 华立仪表集团股份有限公司 | Charging control guidance module for alternating-current charge spot of electric vehicle and guidance method of charging control guidance module |
| CN103872712A (en) * | 2012-12-13 | 2014-06-18 | 西门子公司 | Control guiding device, charging socket, electric automobile charging device and system |
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| Publication number | Publication date |
|---|---|
| CN106347153B (en) | 2018-09-21 |
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Effective date of registration: 20230913 Address after: 9th Floor, Building A, No. 68 Fujingtian Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province, 215000 Patentee after: GCL Energy Storage Technology (Suzhou) Co.,Ltd. Address before: Room 125, building 2, No.58, Zhonghui Road, Suzhou Industrial Park, Suzhou, Jiangsu 215000 Patentee before: SUZHOU GCL SYSTEM INTEGRATION TECHNOLOGY INDUSTRIAL APPLICATION RESEARCH INSTITUTE Co.,Ltd. Patentee before: GCL INTEGRATION TECHNOLOGY (SUZHOU) Co.,Ltd. Patentee before: GCL SYSTEM INTEGRATION TECHNOLOGY Co.,Ltd. |