CN208241346U - A kind of high-power charger suitable for charging pile - Google Patents
A kind of high-power charger suitable for charging pile Download PDFInfo
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- CN208241346U CN208241346U CN201820561553.8U CN201820561553U CN208241346U CN 208241346 U CN208241346 U CN 208241346U CN 201820561553 U CN201820561553 U CN 201820561553U CN 208241346 U CN208241346 U CN 208241346U
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- 239000003990 capacitor Substances 0.000 claims abstract description 120
- 239000010409 thin film Substances 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of high-power charger suitable for charging pile, its internal charging system includes charging module, master control borad, power panel and electronic switch driver, the charging module, power panel and electronic switch driver are connected with master control borad, the charging module includes power module and filter module, the power module is connected by electronic switch with master control borad, and master control borad can export PWM wave to electronic switch, the power module includes electrolytic capacitor group, the filter module includes thin-film capacitor group, the electrolytic capacitor group and thin-film capacitor group are connected with master control borad.The charging system master control borad of the utility model can control electronic switch, and it is adjusted according to the feedback of electrolytic capacitor group and thin-film capacitor group, realize direct current HF switch, automatic charging and constant pressure automatic switching function may be implemented to realize, it can accomplish no rank regulation when regulating and controlling power, function is more stable.
Description
Technical field
The utility model relates to a kind of high-power chargers suitable for charging pile, belong to technical field of electrical equipment.
Background technique
Under the serious overall background of global energy crisis and environmental crisis, in the world, national governments actively push forward new energy vapour
With in the environment of development, electric car is become as a kind of green traffic tool that development prospect is wide for the application of vehicle, universal at present
Speed is very swift and violent, and following market prospects are also very huge, and electric automobile charging pile is necessary to Development of EV
Important mating infrastructure, charger are the core component in charging pile, and the charger in charging pile in the prior art is to adopt
With the structure of multiple power module parallels, general each power module is chosen as 30KW or 15KW.And in order to meet certain large sizes
The power of electric vehicle fast charge demand, energy charging pile needs to reach 360KW or so, it is therefore desirable to which many power module parallels are made
Big at charging pile volume, equipment cost is high, in addition, it is directed to different size of electric vehicle (such as bus or private car), charging
The power that is exported of stake is different, however since charger is made of multiple power module parallels, it can not accomplish no rank adjusting
Output power damages the service life of electromobile battery.
Summary of the invention
The purpose of this utility model is exactly in order to solve the above problems existing in the present technology, to provide a kind of can be achieved
The high-power charger of no rank regulation and function-stable.
The technical solution of the utility model is: a kind of high-power charger suitable for charging pile, including shell and
Its internal charging system, it is characterised in that: the charging system includes charging module, master control borad, power panel and electronic switch
Driver, the charging module, power panel and electronic switch driver are connected with master control borad, and the charging module includes function
Rate module and filter module, the power module include capacitor C1-C6, resistance R1-R3, diode D1-D3, electronic switch Q1-
Q3 and reactor L1-L3, the input anode of charging system and capacitor C1, capacitor C2, resistance R1 are connected, the capacitor
C1, capacitor C3 and capacitor C5 are connected in series, and the capacitor C2, capacitor C4 and capacitor C6 are connected in series, the resistance R1, resistance R2
And resistance R3 is connected in series, capacitor C1, capacitor C2 and resistance R1 are in parallel, the capacitor C3, capacitor C4 and resistance R2 phase
Parallel connection, the capacitor C5, capacitor C6 and resistance R3 are in parallel, the input cathode and capacitor C5, capacitor of the charging system
C6 and resistance R3 are connected, and the collector of electronic switch Q1-Q3 is connected with charging system input anode, electronic switch
The grid of Q1-Q3 passes through electronic switch driving plate and is connected in master control borad, and the emitter of electronic switch Q1 is with diode D1's
One end of cathode and reactor L1 are connected, the emitter of electronic switch Q2 and the cathode of diode D2 and reactor L2's
One end is connected, the emitter of the Q3 of electronic switch is connected with one end of the cathode of diode D3 and reactor L3, two poles
The anode of pipe D1-D3 is connected with the input of charging system, negative pole of output end, the other end of the reactor L1-L3 with fill
Electric system output head anode is connected, and the capacitor C1-C6 constitutes electrolytic capacitor group, the filter module include resistance R4, R5,
Reactor L4-L6, capacitor C7-C16, wherein capacitor C7-C14 forms compensating capacitance group, and capacitor C15 and C16 constitute thin-film capacitor
The other end of group, the reactor L1-L3 is connected with one end of reactor L4-L6 respectively, and the reactor L4-L6's is another
End bulk charge system output anode is connected, and one end of resistance R4 is connected with output head anode, and the other end is with resistance R5's
One end is connected, and the other end of resistance R5 is connected with charging system negative pole of output end, and capacitor C7-C10 is successively parallel to resistance
The both ends of R4, capacitor C11-C14 are successively parallel to the both ends of resistance R5, and capacitor C15 and C16 are connected to charging system output end
Between anode and cathode, and capacitor C15 and capacitor C16 be between compensating capacitance group and charging system output end, the electrolysis
Capacitance group and thin-film capacitor group are connected with master control borad.
Further, the above-mentioned high-power charger suitable for charging pile, in which: the other end of the reactor L1-L3
It is connected respectively with reactor L4-L6 by connecting copper bar.
Further, the above-mentioned high-power charger suitable for charging pile, in which: the charging system further includes blower 4,
The power panel includes the first power panel U1 and second source plate U2, and the first power panel U1 is connected with master control borad U3 to be used for
Give master control borad U3 power supply, the second source plate U2 is connected with the blower 4, the master control borad U3 pass through relay with it is described
Blower is connected.
Further, the above-mentioned high-power charger suitable for charging pile, in which: the master control borad U3 is also connected with temperature
Spend sensor.
Further, the above-mentioned high-power charger suitable for charging pile, in which: the emitter of the electronic switch Q1
Between reactor L1, between the emitter of electronic switch Q2 and reactor L2, the emitter of electronic switch Q3 and reactor L3
Between be respectively connected with current transformer.
Still further, the above-mentioned high-power charger suitable for charging pile, in which: the charging system input anode
It is connected with preliminary filling electrical circuit, the preliminary filling electrical circuit includes charging diode Dt, charging resistor Rt and relay K1, relay K1
It is connected between input anode and capacitor C1, charging diode Dt and charging resistor Rt series connection, charging diode Dt and charging
Resistance Rt series connection is formed by branch circuit parallel connection in the both ends of relay K1, and relay K1 is connected with master control borad U3.
Still further, the above-mentioned high-power charger suitable for charging pile, in which: the charging system output head anode
It is connected with relay K2.
The master control borad of its charging system of the utility model charger is by output PWM wave through electronic switch driving plate to right
Electronic switch is controlled, and is adjusted according to the feedback of electrolytic capacitor group and thin-film capacitor group, realizes that direct current high frequency is opened
It closes, automatic charging and constant pressure automatic switching function may be implemented to realize, can accomplish no rank regulation, function when regulating and controlling power
It can be more stable.
Detailed description of the invention
Fig. 1 is the utility model high-power charger schematic diagram；
Fig. 2 is another viewing angle constructions schematic diagram of high-power charger；
Fig. 3 is charger charging system circuit diagram.
Specific embodiment
Below by way of attached drawing combination specific embodiment, the utility model is described in further details.
As depicted in figs. 1 and 2, high-power charger described in the utility model includes shell 1 and integrally disposed in institute
The charging system and blower 4 inside shell 1 are stated, shell 1 is equipped with charger input port 3 and charger delivery outlet 2, and charger is defeated
Entrance 3 can connect 850V direct current, and charger delivery outlet 2 charges for connecting charging gun, by charging gun to electric vehicle.
As shown in figure 3, charging system includes charging module, master control borad U3, the first electronic switch driving plate U6, the second electronics
Switch driving plate U7, third electronic switch driving plate U8, the first power panel U1, second source plate U2 and blower 4, the charging mould
Block, the first electronic switch driving plate U6, the second electronic switch driving plate U7, third electronic switch driving plate U8, the first power panel
U1, second source plate U2 and blower 4 are connected with master control borad U3, and charging module includes power module and filter module, charging
Machine input port 3 is connected with power module, and power module is connected with filter module, filter module and charger delivery outlet 2, power mould
Block includes capacitor C1-C6, resistance R1-R3, reactor L1-L3, electronic switch Q1-Q3, diode D1-D3, charging system it is defeated
Enter proper pole to be connected with one end of capacitor C1, capacitor C2 and resistance R1, the other end of the other end of capacitor C1 and capacitor C2 with
And the other end of resistance R1 is connected, the other end of capacitor C1 is connected with one end of capacitor C3, the other end and electricity of capacitor C2
The one end for holding C4 is connected, and the other end of resistance R1 is connected with one end of resistance R2, and one end of capacitor C3 is another with capacitor C4's
The other end of one end and resistance R2 are connected, and, the other end of capacitor C3 is connected with one end of capacitor C5, and capacitor C4's is another
One end is connected with one end of capacitor C6, and the other end of resistance R2 is connected with one end of resistance R3, the other end, the electricity of capacitor C5
The other end of the other end and resistance R3 that hold C6 is connected with charging system input cathode and charging system input cathode
It connects, i.e., above-mentioned capacitor C1, C3, C5 series connection, capacitor C2, C4, C6 series connection, resistance R1, R2, R3 series connection, capacitor C1, capacitor C2, electricity
Resistance R1 is in parallel, and capacitor C3, capacitor C4, resistance R2 are in parallel, and capacitor C5, capacitor C6, resistance R3 are in parallel, and capacitor C1-C6 is
Electrolytic capacitor group is formed, electrolytic capacitor group is connected with master control borad U3, and resistance R1-R3 is equalizing resistance.Electronic switch Q1-Q3 is excellent
It is selected as insulated gate bipolar transistor (IGBT), the grid of electronic switch Q1 is connected with the first electronic switch driving plate U6, electricity
The grid of sub switch Q2 is connected with the second electronic switch driving plate U7, and the grid and third electronic switch of electronic switch Q3 drives
Plate U8 is connected, the collector of the electronic switch Q1, the collector of electronic switch Q2, electronic switch Q3 collector with
Charging system input anode is connected, one end of the emitter of electronic switch Q1 and the cathode of diode D1 and reactor L1
It is connected, the emitter of electronic switch Q2 is connected with one end of the cathode of diode D2 and reactor L2, electronic switch
The emitter of Q3 is connected with one end of the cathode of diode D3 and reactor L3, the anode of diode D1-D3 with charging
The cathode of system input is connected with negative pole of output end, and the other end of reactor L1-L3 is connected with output head anode.
Preferably, between the emitter of electronic switch Q1 and reactor L1, the emitter and reactor of electronic switch Q2
Current transformer is respectively connected between L2, between the emitter of electronic switch Q3 and reactor L3.Input terminal and output end are just
Cathode is respectively connected with fuse, and input anode is connected with preliminary filling electrical circuit, and preliminary filling electrical circuit includes charging diode Dt, charging
Resistance Rt and relay K1, relay K1 are connected between input anode and capacitor C1, charging diode Dt and charging resistor
Rt series connection, charging diode Dt and charging resistor Rt series connection are formed by branch circuit parallel connection in the both ends of relay K1, relay K1
It is connected by relay expansion board U5 with master control borad U3, charging system output end is connected with relay K2, and relay K2 is logical
It crosses relay expansion board U5 to be connected with master control borad U3, when charging system is abnormal, master control borad U3 controls K2 and disconnects
Stop charging.
First power panel U1 and second source plate U2 connects 220V alternating current, and after rectified transformation, the first power panel U1 is used for
It powers to master control borad U3, second source plate U2 is connected with blower 4, powers for fan 4, and master control borad 3 is expanded by relay
Panel U4 is connected with blower, and master control borad 3 is connected with temperature sensor, monitors temperature inside charger by temperature sensor
Degree, when the temperature is excessively high, control blower 4 work.
In above-mentioned electronic component, capacitor C1, capacitor C2, resistance R1, electronic switch Q1, diode D1 and reactor L1 are constituted
First BUCK circuit, capacitor C3, capacitor C4, resistance R2, electronic switch Q2, diode D2 and reactor L2 constitute the 2nd BUCK electricity
Road, capacitor C5, capacitor C6, resistance R3, electronic switch Q3, diode D3 and reactor L3 constitute the 3rd BUCK circuit, i.e., quite
One three-phase BUCK circuit of composition parallel with one another between the first BUCK circuit, the 2nd BUCK circuit, the 3rd BUCK circuit.Here
It should be noted that above scheme is only preferred embodiment using three-phase BUCK circuit, quantity is unrestricted, as long as having at least one
Group BUCK circuit, such as two-phase BUCK circuit in parallel or four phase BUCK circuit in parallel are chosen as, correspondingly, each electronics member
The connection type of device can also be analogized as described above.
The filter module includes resistance R4, R5, reactor L4-L6, capacitor C7-C16, and wherein capacitor C7-C14 composition is mended
Capacitance group is repaid, the other end of the reactor L1-L3 is connected respectively with one end of reactor L4-L6 by connecting copper bar, is filled
Electric system input cathode is connected by connecting copper bar with negative pole of output end, the other end of the reactor L4-L6 with electricity
The one end and charging system output head anode for hindering R4 are connected, and the other end of resistance R4 is connected with one end of resistance R5, electricity
The other end of resistance R5 is connected with charging system negative pole of output end, and capacitor C7-C10 is successively parallel to the both ends resistance R4, capacitor
C11-C14 is successively parallel to the both ends resistance R5, and capacitor C7 is connected with capacitor C11, and capacitor C8 is connected with capacitor C12, electricity
Hold C9 to be connected with capacitor C13, capacitor C10 is connected with capacitor C14, and capacitor C15 and C16 are connected to charging system output end
Between anode and cathode, and capacitor C15 and capacitor C16 be between compensating capacitance group and charging system output end, the capacitor
C15 and C16 constitutes thin-film capacitor group, and the thin-film capacitor group is connected with master control borad U3.
The utility model master control borad U3 is by output PWM wave through electronic switch driving plate U6-U8 to electronic switch Q1-
Q3 is controlled, and is adjusted according to the feedback of electrolytic capacitor group and thin-film capacitor group, realizes direct current HF switch, thus
Automatic charging (with BMS real-time communication, realizing the charge function to lithium battery) may be implemented in realization and constant pressure automatically switches, is fast
It fills and rushes automatic switching function slowly, can accomplish no rank regulation when regulating and controlling power, function is more stable.
Certainly, the representative instance of above only the utility model, in addition to this, the utility model can also have other a variety of
Specific embodiment, all technical solutions formed using equivalent substitution or equivalent transformation all fall within the requires of the utility model protection
Within the scope of.
Claims (7)
1. a kind of high-power charger suitable for charging pile, the charging system including shell and its inside, it is characterised in that: institute
Stating charging system includes charging module, master control borad, power panel and electronic switch driver, the charging module, power panel and electricity
Sub switch driver is connected with master control borad, and the charging module includes power module and filter module, the power module
Including capacitor C1-C6, resistance R1-R3, diode D1-D3, electronic switch Q1-Q3 and reactor L1-L3, the input of charging system
Rectify pole and capacitor C1, capacitor C2, resistance R1 are connected, the capacitor C1, capacitor C3 and capacitor C5 are connected in series, the electricity
Hold C2, capacitor C4 and capacitor C6 are connected in series, the resistance R1, resistance R2 and resistance R3 are connected in series, capacitor C1, capacitor C2 with
And resistance R1 is in parallel, the capacitor C3, capacitor C4 and resistance R2 are in parallel, the capacitor C5, capacitor C6 and resistance R3
It is in parallel, the input cathode of the charging system is connected with capacitor C5, capacitor C6 and resistance R3, electronic switch Q1-Q3
Collector be connected with charging system input anode, the grid of electronic switch Q1-Q3 passes through electronic switch driving plate
It is connected in master control borad, the emitter of electronic switch Q1 is connected with one end of the cathode of diode D1 and reactor L1, electricity
The emitter of sub switch Q2 is connected with one end of the cathode of diode D2 and reactor L2, the emitter of the Q3 of electronic switch
Be connected with one end of the cathode of diode D3 and reactor L3, the anode of diode D1-D3 with the input of charging system,
Negative pole of output end is connected, and the other end of the reactor L1-L3 is connected with charging system output head anode, the capacitor
C1-C6 constitutes electrolytic capacitor group, and the filter module includes resistance R4, R5, reactor L4-L6, capacitor C7-C16, wherein capacitor
C7-C14 form compensating capacitance group, capacitor C15 and C16 constitute thin-film capacitor group, the other end of the reactor L1-L3 respectively with
One end of reactor L4-L6 is connected, and the other end bulk charge system output anode of the reactor L4-L6 is connected, electricity
One end of resistance R4 is connected with output head anode, and the other end is connected with one end of resistance R5, the other end of resistance R5 and charging
System output cathode is connected, and capacitor C7-C10 is successively parallel to the both ends of resistance R4, and capacitor C11-C14 is successively parallel to electricity
The both ends of R5 are hindered, capacitor C15 and C16 are connected between charging system output head anode and cathode, and capacitor C15 and capacitor
C16 is between compensating capacitance group and charging system output end, and the electrolytic capacitor group and thin-film capacitor group are and master control borad
It is connected.
2. the high-power charger according to claim 1 suitable for charging pile, it is characterised in that: the reactor L1-
The other end of L3 is connected with reactor L4-L6 respectively by connecting copper bar.
3. the high-power charger according to claim 1 suitable for charging pile, it is characterised in that: the charging system is also
Including blower, the power panel includes the first power panel and second source plate, and first power panel is connected use with master control borad
It powers in master control borad, the second source plate is connected with the blower, and the master control borad passes through relay and the blower
It is connected.
4. the high-power charger according to claim 1 suitable for charging pile, it is characterised in that: the master control borad also connects
It is connected to temperature sensor.
5. the high-power charger according to claim 1 suitable for charging pile, it is characterised in that: the electronic switch Q1
Emitter and reactor L1 between, between the emitter of electronic switch Q2 and reactor L2, the emitter of electronic switch Q3 and
Current transformer is respectively connected between reactor L3.
6. the high-power charger according to claim 1 suitable for charging pile, it is characterised in that: the charging system is defeated
Entering proper pole and is connected with preliminary filling electrical circuit, the preliminary filling electrical circuit includes charging diode Dt, charging resistor Rt and relay K1,
Relay K1 is connected between input anode and capacitor C1, charging diode Dt and charging resistor Rt series connection, charging diode
Dt and charging resistor Rt series connection is formed by branch circuit parallel connection in the both ends of relay K1, and relay K1 is connected with master control borad.
7. a kind of high-power charger suitable for charging pile according to claim 1, it is characterised in that: the Charging
System output head anode is connected with relay K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820561553.8U CN208241346U (en) | 2018-04-19 | 2018-04-19 | A kind of high-power charger suitable for charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820561553.8U CN208241346U (en) | 2018-04-19 | 2018-04-19 | A kind of high-power charger suitable for charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241346U true CN208241346U (en) | 2018-12-14 |
Family
ID=64584720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820561553.8U Expired - Fee Related CN208241346U (en) | 2018-04-19 | 2018-04-19 | A kind of high-power charger suitable for charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208241346U (en) |
-
2018
- 2018-04-19 CN CN201820561553.8U patent/CN208241346U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 |