CN206533163U - Charging pile discharge prevention power circuit - Google Patents
Charging pile discharge prevention power circuit Download PDFInfo
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- CN206533163U CN206533163U CN201720177273.2U CN201720177273U CN206533163U CN 206533163 U CN206533163 U CN 206533163U CN 201720177273 U CN201720177273 U CN 201720177273U CN 206533163 U CN206533163 U CN 206533163U
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- charging pile
- poles
- discharge prevention
- voltage
- pole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of charging pile discharge prevention power circuit; including the charging pile power supply being arranged in charging pile; for the charging gun for externally charging and being connected with charging pile power supply, and the discharge prevention power circuit composition being serially connected between charging pile power supply and charging gun.The utility model provides a kind of charging pile discharge prevention power circuit; can be preferably according to the model of electric automobile adjustment protection magnitude of voltage; the structure of circuit is simplified well; improve the stability of circuit operation; so as to reduce maintenance and the replacement frequency of equipment, the use cost of equipment reduce further.
Description
Technical field
The utility model is related to a kind of protection circuit, specifically refers to a kind of charging pile discharge prevention power circuit.
Background technology
Electric automobile (BEV) refers to, using vehicle power as power, be travelled with power wheel, meets road traffic, peace
The vehicle of full regulation requirements, because the relatively conventional automobile of effect on environment is smaller, its prospect is had an optimistic view of extensively, also increasingly
Received by people.With the appearance of electric automobile, the charging pile for being charged to electric automobile is also occurred gradually over
Among the visual field of people.
It is functionally similar to fuel charger inside gas station to charging pile, can be fixed on ground or wall, be installed on public
Build in (public building, market, Public Parking etc.) and residential area parking lot or charging station, can be according to different voltage
Grade is the charging electric vehicle of various models.The input of charging pile is directly connected to AC network, and output end is equipped with filling
Plug is used to be charging electric vehicle.Charging pile generally provides two kinds of charging modes of normal charge and quick charge, Ren Menke
Used with being swiped the card using specific recharged card on the man-machine interactive interface that charging pile is provided, carry out corresponding charging side
The operations such as formula, charging interval, cost data printing, charging pile display screen can show the data such as charge volume, expense, charging interval.
Charging pile is when electric discharge is to Vehicular charging, if the excessive battery for being easy to damage vehicle of charging, causes the longevity of battery
Life shortens.So, in order to improve the security of charging, part charging pile can set a protection electricity in the output end of power supply
Road, but be due to that different electric automobiles possesses different rated voltages, in order to preferably protect the electric automobile of different model
Cause the circuit structure of existing protection circuit complex, less stable when in use is, it is necessary to which that changes frequently is carried out to it
Safeguard with changing, improve the use cost of equipment.
Utility model content
The purpose of this utility model is to overcome above mentioned problem there is provided a kind of charging pile discharge prevention power circuit, can
Preferably according to the model of electric automobile adjustment protection magnitude of voltage, the structure of circuit is simplified well, circuit operation is improved
Stability, so as to reduce maintenance and the replacement frequency of equipment, reduce further the use cost of equipment.
The purpose of this utility model is achieved through the following technical solutions：
Charging pile discharge prevention power circuit, including the charging pile power supply being arranged in charging pile, for externally filling
Electricity and the charging gun being connected with charging pile power supply, and the electric discharge being serially connected between charging pile power supply and charging gun
Protect power circuit composition.
Preferably, the power input of the discharge prevention power circuit is connected with the output end of charging pile power supply
Connect, and the power output end of the discharge prevention power circuit is connected with the power input of charging gun.
Further, the discharge prevention power circuit is by triode VT1, unidirectional thyristor VS1, unidirectional thyristor VS2,
Diode bridge rectifier U1, the electric capacity C1 that positive pole is connected with a diode bridge rectifier U1 input, with electric capacity
Resistance R1, the N pole that C1 is arranged in parallel is connected after slide rheostat RP1 with diode bridge rectifier U1 positive output end, P
The voltage-regulator diode D1 of pole ground connection, positive pole is connected with voltage-regulator diode D1 N poles, electric capacity C2, the P poles of negative pole ground connection are through resistance
It is connected after R3 with triode VT1 base stage, N poles are sequentially after slide rheostat RP2, resistance R2 and voltage-regulator diode D2 with three
Voltage-regulator diode D3, the P pole that pole pipe VT1 colelctor electrode is connected is connected with triode VT1 base stage, N poles and unidirectional brilliant lock
The diode D4 that pipe VS1 control pole is connected, positive pole is connected with triode VT1 emitter stage, negative pole and unidirectional thyristor
The electric capacity C3 that VS2 control pole is connected, one end is connected with voltage-regulator diode D3 P poles, the other end and unidirectional thyristor VS2
The resistance R4 that is connected of P poles, and electric capacity C4 compositions being arranged in parallel with resistance R4；Wherein, triode VT1 colelctor electrode with
Electric capacity C2 positive pole is connected, and voltage-regulator diode D2 P poles are connected with triode VT1 colelctor electrode, triode VT1 transmitting
Pole is connected with unidirectional thyristor VS1 P poles, the N poles and two poles of unidirectional thyristor VS1 N poles simultaneously with unidirectional thyristor VS2
Bridge rectifier U1 negative output terminal is connected, and unidirectional thyristor VS1 P poles are connected with electric capacity C3 positive pole, diode
Bridge rectifier U1 another input constitutes the power input of the discharge prevention power circuit, electricity with electric capacity C1 negative pole
The power supply that the P poles of the tie point and unidirectional thyristor VS2 that hinder R2 and slide rheostat RP2 constitute the discharge prevention power circuit is defeated
Go out end.
The utility model compared with prior art, with advantages below and beneficial effect：
The utility model by set discharge prevention power circuit can be good at overcoming in the prior art charging pile right
Adjustment difficulty is higher during the charging electric vehicle of different rated voltages and the problem of complex corresponding circuit structure, by this
Discharge prevention power circuit simplifies the structure of circuit well, while charging pile adjustment output voltage can also be reduced well
Difficulty；Discharge prevention power circuit of the present utility model it is simple in construction, greatly reduce the several of circuit damage of internal device
Rate, so as to reduce the maintenance of product and the replacement frequency of component, controls the use cost of product, and then reduce well
The use cost of enterprise.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the circuit structure diagram of the utility model discharge prevention power circuit.
Embodiment
With reference to embodiment, the utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1
As shown in figure 1, charging pile discharge prevention power circuit, including the charging pile power supply being arranged in charging pile,
For the charging gun for externally charging and being connected with charging pile power supply, and it is serially connected in charging pile power supply and charging gun
Between discharge prevention power circuit composition.
The power input of the discharge prevention power circuit is connected with the output end of charging pile power supply, and this is put
The power output end of electric protection power circuit is connected with the power input of charging gun.
As shown in Fig. 2 the discharge prevention power circuit is by triode VT1, unidirectional thyristor VS1, unidirectional thyristor
VS2, diode bridge rectifier U1, voltage-regulator diode D1, voltage-regulator diode D2, voltage-regulator diode D3, diode D4, slide and become
Hinder device RP1, slide rheostat RP2, resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4
Composition.
During connection, electric capacity C1 positive pole is connected with a diode bridge rectifier U1 input, resistance R1 and electricity
Hold C1 to be arranged in parallel, the positive output end of voltage-regulator diode D1 N poles after slide rheostat RP1 with diode bridge rectifier U1
It is connected, P poles are grounded, electric capacity C2 positive pole is connected with voltage-regulator diode D1 N poles, negative pole ground connection, voltage-regulator diode D3 P
Pole is connected after resistance R3 with triode VT1 base stage, N poles are sequentially through slide rheostat RP2, resistance R2 and voltage-regulator diode
Colelctor electrode after D2 with triode VT1 is connected, diode D4 P poles are connected with triode VT1 base stage, N poles with it is unidirectional
IGCT VS1 control pole is connected, and electric capacity C3 positive pole is connected with triode VT1 emitter stage, negative pole and unidirectional brilliant lock
Pipe VS2 control pole is connected, and resistance R4 one end is connected with voltage-regulator diode D3 P poles, the other end and unidirectional thyristor
VS2 P poles are connected, and electric capacity C4 is arranged in parallel with resistance R4.
Wherein, triode VT1 colelctor electrode is connected with electric capacity C2 positive pole, voltage-regulator diode D2 P poles and triode
VT1 colelctor electrode is connected, and triode VT1 emitter stage is connected with unidirectional thyristor VS1 P poles, unidirectional thyristor VS1's
N poles are connected with unidirectional thyristor VS2 N poles and diode bridge rectifier U1 negative output terminal simultaneously, unidirectional thyristor VS1
P poles be connected with electric capacity C3 positive pole, the negative pole of diode bridge rectifier U1 another input and electric capacity C1 is constituted
The power input of the discharge prevention power circuit, resistance R2 and slide rheostat RP2 tie point are with unidirectional thyristor VS2's
P poles constitute the power output end of the discharge prevention power circuit.
During work, the power supply inside charging pile is outwards powered, and the electricity supplied can after diode bridge rectifier U1
To be converted into direct current, so just the limitation of charging pile power supply is substantially reduced, both can from dc source or
AC power can be selected.Because the internal power supply of actually charging pile is dc source, it is to provide one at this
Charging pile is driven directly to use scheme and the direction of AC power.
Because charging pile power supply is typically dc source, one is constituted simply using resistance R1 and electric capacity C1
Filter circuit so that further reduce electric current fluctuation.In connection, it is necessary to by the positive pole and electric capacity of charging pile power supply
C1 negative pole is connected, and electric capacity C1 capacitance is 330 μ F, and resistance R1 resistance is 470K Ω, diode bridge rectifier
Four diodes in U1 then select model 1N4006 general-purpose diode, allow it to bear larger magnitude of voltage, keep away
Exempt from it during Vehicular charging because voltage is higher and damages.One is connected on diode bridge rectifier U1 positive output end
The electric capacity C2 of ground connection, further can be filtered processing to the electric current of output, further increase the stability of output current,
Electric capacity C2 is from the electric capacity that capacitance is 220 μ F.
The purpose that resistance R2 is set in main circuit is, in order to avoid short circuit, preferably to protect the operation of circuit,
Resistance R2 resistance can be controlled within 300 Ω without too high, in order to avoid the normal operation of influence circuit；And voltage-regulator diode D2
Effect be further stable output voltage, it selects model 1N5470 voltage-regulator diode.
When the voltage of charging pile power supply is relatively low, voltage-regulator diode D3 can not be by voltage breakdown, so that circuit
In triode VT1 base stage must can not conduct, unidirectional thyristor VS1 and unidirectional thyristor VS2 are blocked, two pole bridge rectifiers
Device U1 negative power end can not be turned on normally with the negative power end of circuit, so that power supply does not charge to automobile, with
Avoid automobile storage battery from inversely discharging, preferably protect electric automobile.Voltage-regulator diode D3 N extremely on connection one slip
Rheostat RP2 purpose is the nominal charging voltage for the vehicle according to charging to adjust the voltage on voltage-regulator diode D3
Value, so that the product of the application can adapt to the electric automobile of more polytypic, its basic principle is " series connection partial pressure ",
It can get the voltage of different proportion on voltage-regulator diode D3 when slide rheostat RP2 resistance is different, and then in Rechargeable vehicle
Rated voltage adjusts minimum charging voltage when changing.In order to improve the adjusting range of circuit, slide rheostat RP2 most high resistant
It is worth for 1M Ω, voltage-regulator diode D3 model 1N5401.
When the voltage of charging pile power supply is between voltage-regulator diode D1 and voltage-regulator diode D3 voltage stabilizing value, surely
Diode D1 cut-offs are pressed, the breakdown reverse conductions of voltage-regulator diode D3, triode VT1 and unidirectional thyristor VS1 are switched on, three poles
Pipe VT1 emitter voltage reduction, so that the voltage reduction of electric capacity C3 positive poles, the voltage rise of negative pole, electric capacity C3's is negative
Unidirectional thyristor VS1 is triggered after pole tension rise and turns it on the negative output terminal energy so that diode bridge rectifier U1
Enough normallies, and then enable the power output end of circuit normal to charging electric vehicle.In voltage-regulator diode D1 N
Extremely one slide rheostat RP1 of upper connection purpose is the nominal charging voltage for the vehicle according to charging to adjust voltage stabilizing two
Magnitude of voltage on pole pipe D1, so that the product of the application can adapt to the electric automobile of more polytypic, its basic principle
It is also " series connection partial pressure ", can gets the electricity of different proportion on voltage-regulator diode D1 when slide rheostat RP1 resistance is different
Pressure, and then adjust minimum charging voltage when Rechargeable vehicle rated voltage changes.In order to improve the adjusting range of circuit, slide
Rheostat RP1 highest resistance is 1M Ω, voltage-regulator diode D1 model 1N5401.Wherein, electric capacity C3 capacitance is 1 μ F.
After charging electric vehicle is full of, the voltage in circuit will be stepped up, and finally puncture voltage-regulator diode D1
So that electric current imports ground end, and then cause the output voltage reduction of main circuit, voltage-regulator diode D3 is blocked, and triode VT1 is not led
It is logical, triode VT1 emitter voltage rise, electric capacity C4 cathode voltage reduction, unidirectional thyristor VS2 is truncated, and then is made
Circuit blocks charging pile power supply and electric automobile not powered.
In the circuit of the application, triode VT1 model A1009, resistance R3 resistance is 150K Ω, resistance R4's
Resistance is 870 Ω, and electric capacity C4 capacitance is BTW69N- for 110 μ F, unidirectional thyristor VS1 and unidirectional thyristor VS2 model
600, diode D4 model 1N4004.
When setting, the discharge prevention power circuit can be arranged directly in the agent structure of charging gun, to improve electricity
The sensitivity of road operation, so that it preferably obtains the charged state of electric automobile, preferably protects the built-in of electric automobile
Battery, it is to avoid battery because overvoltage charging or under-voltage electric discharge and caused by the infringement of itself, substantially increase making for battery
With the life-span, and then it can preferably promote product.One and discharge prevention power supply are additionally provided with the shell of charging gun main body
The knob that slide rheostat RP1 is connected with slide rheostat RP2 sliding end in circuit, when in use can by knob come
Change slide rheostat RP1 and slide rheostat RP2 resistance value, improve the convenience that product is used.
As described above, the utility model just can be realized well.
Claims (3)
1. charging pile discharge prevention power circuit, it is characterised in that：Including the charging pile power supply being arranged in charging pile, use
In external charging and the charging gun that is connected with charging pile power supply, and be serially connected in charging pile power supply and charging gun it
Between discharge prevention power circuit composition.
2. charging pile discharge prevention power circuit according to claim 1, it is characterised in that：The discharge prevention power supply electricity
The power input on road is connected with the output end of charging pile power supply, and the power output end of the discharge prevention power circuit
It is connected with the power input of charging gun.
3. charging pile discharge prevention power circuit according to claim 2, it is characterised in that：The discharge prevention power supply electricity
It route triode VT1, unidirectional thyristor VS1, unidirectional thyristor VS2, diode bridge rectifier U1, positive pole and diode bridge
The electric capacity C1 that a rectifier U1 input is connected, resistance R1, the N poles being arranged in parallel with electric capacity C1 are through slide rheostat
Be connected after RP1 with diode bridge rectifier U1 positive output end, the voltage-regulator diode D1 of P poles ground connection, positive pole and voltage stabilizing two
Pole pipe D1 N poles are connected, electric capacity C2, the P pole of negative pole ground connection is connected after resistance R3 with triode VT1 base stage, N is extremely suitable
The secondary voltage-regulator diode being connected after slide rheostat RP2, resistance R2 and voltage-regulator diode D2 with triode VT1 colelctor electrode
The diode D4 that D3, P pole are connected with triode VT1 base stage, N poles are connected with unidirectional thyristor VS1 control pole, positive pole
Be connected with triode VT1 emitter stage, the electric capacity C3 that negative pole is connected with unidirectional thyristor VS2 control pole, one end with it is steady
Pressure diode D3 P poles are connected, the resistance R4 that the other end is connected with unidirectional thyristor VS2 P poles, and with resistance R4 simultaneously
The electric capacity C4 compositions that connection is set；Wherein, triode VT1 colelctor electrode is connected with electric capacity C2 positive pole, voltage-regulator diode D2 P
Pole is connected with triode VT1 colelctor electrode, and triode VT1 emitter stage is connected with unidirectional thyristor VS1 P poles, unidirectionally
IGCT VS1 N poles are connected with unidirectional thyristor VS2 N poles and diode bridge rectifier U1 negative output terminal simultaneously, single
It is connected to IGCT VS1 P poles with electric capacity C3 positive pole, diode bridge rectifier U1 another input and electric capacity C1
Negative pole constitute the power input of the discharge prevention power circuit, resistance R2 and slide rheostat RP2 tie point with it is unidirectional
IGCT VS2 P poles constitute the power output end of the discharge prevention power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177273.2U CN206533163U (en) | 2017-02-27 | 2017-02-27 | Charging pile discharge prevention power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177273.2U CN206533163U (en) | 2017-02-27 | 2017-02-27 | Charging pile discharge prevention power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206533163U true CN206533163U (en) | 2017-09-29 |
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ID=59919594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720177273.2U Active CN206533163U (en) | 2017-02-27 | 2017-02-27 | Charging pile discharge prevention power circuit |
Country Status (1)
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| CN (1) | CN206533163U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177549A (en) * | 2018-01-31 | 2018-06-19 | 范师华 | A kind of simple direct-current charging post |
| CN108674242A (en) * | 2018-06-28 | 2018-10-19 | 清远市敬威能源开发有限公司 | A kind of charging pile of new-energy automobile |
| CN109247267A (en) * | 2018-11-16 | 2019-01-22 | 巴中野蕊蜜源蜂业有限公司 | A kind of intelligence bee raising equipment |
| CN109270854A (en) * | 2018-11-15 | 2019-01-25 | 巴中野蕊蜜源蜂业有限公司 | A kind of single flower honey control device |
-
2017
- 2017-02-27 CN CN201720177273.2U patent/CN206533163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177549A (en) * | 2018-01-31 | 2018-06-19 | 范师华 | A kind of simple direct-current charging post |
| CN108674242A (en) * | 2018-06-28 | 2018-10-19 | 清远市敬威能源开发有限公司 | A kind of charging pile of new-energy automobile |
| CN109270854A (en) * | 2018-11-15 | 2019-01-25 | 巴中野蕊蜜源蜂业有限公司 | A kind of single flower honey control device |
| CN109247267A (en) * | 2018-11-16 | 2019-01-22 | 巴中野蕊蜜源蜂业有限公司 | A kind of intelligence bee raising equipment |
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