CN205304353U - Intelligence direct current module of charging - Google Patents

Intelligence direct current module of charging Download PDF

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Publication number
CN205304353U
CN205304353U CN201620041329.7U CN201620041329U CN205304353U CN 205304353 U CN205304353 U CN 205304353U CN 201620041329 U CN201620041329 U CN 201620041329U CN 205304353 U CN205304353 U CN 205304353U
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CN
China
Prior art keywords
intelligent
phase
charging module
contactor
unit
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Expired - Fee Related
Application number
CN201620041329.7U
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Chinese (zh)
Inventor
周磊
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Beijing Haoruichang Technology Co Ltd
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Beijing Haoruichang Technology Co Ltd
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Priority to CN201620041329.7U priority Critical patent/CN205304353U/en
Application granted granted Critical
Publication of CN205304353U publication Critical patent/CN205304353U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an intelligence direct current module of charging, includes control panel and the joint, three -phase rectifier unit, full -bridge inverter unit, transformation unit, single -phase rectifier unit, the output that are used for connecting three phase current that are coupled in proper order, the control panel is coupled full -bridge inverter unit through IGBT drive unit, intelligence direct current module of charging still includes ac contactor, and this ac contactor's coil concatenates to be connected behind the main switch in between three phase current arbitrary double -phase, ac contactor's three normally open contact connect connect and three phase bridge between, ac contactor's coil is parallelly connected electrical unit still, and electrical unit is with thinking that the control panel provides operating voltage. Through setting up the main switch to interlocking main switch and ac contactor's coil and electrical unit and three phase current's access and eager play, under the main switch disconnection, articulate three -phase electricity does not produce electric arc, and whether controllable, reduce power consumption if making intelligence direct current module of charging switch on simultaneously.

Description

Intelligent DC charging module
Technical field
The utility model relates to a kind of charging device, particularly a kind of intelligent DC charging module used for electric vehicle.
Background technology
Along with compatriots' improving constantly environmental protection consciousness; electric automobile is more and more walked close to our work and life, and worldwide universal gradually, therefore major impetus source---the charging of electrokinetic cell to electric automobile; just need to refuel equally with orthodox car, become essential.
Intelligent DC charging module refers to and is fixedly mounted on electric automobile, be used for electric automobile power battery, the circuit module of safety, automatic charging, the data that intelligent DC charging module provides according to battery management system (BMS), energy dynamic adjustments charging current or voltage parameter, carry out corresponding action, complete charging process.
Existing intelligent DC charging module, by external three phase mains, through over commutation, inversion, transformation, rectification again, thereby the output DC charging electric current from output to electrokinetic cell, control panel integrated microprocessor (MCU) and peripheral circuit, to charging process centralized Control, but existing intelligent DC charging module, connect three phase mains by joint, its home loop conducting voluntarily after connecting, form under loop state in inside on the one hand, the car circle moment that Aviation Connector connects three phase mains easily produces electric arc, dangerous, on the other hand, after three phase mains is connected, the conducting voluntarily of intelligent DC charging module, control panels etc. power on and await orders, do not there is controllability, bring to a certain extent the waste of electric energy.
Utility model content
The purpose of this utility model is to provide a kind of intelligent DC charging module, and while avoiding connecting three phase mains, the generation of electric arc improves security, and solution is simultaneously the problem that conducting increases energy consumption after connecing electricity.
Above-mentioned purpose of the present utility model is achieved by the following technical programs:
A kind of intelligent DC charging module, comprise control panel and couple successively for connecting the joint of three phase mains, three phase rectifier unit, full-bridge inverting unit, voltage transformation unit, single-phase rectifier unit, output, control panel couples full-bridge inverting unit by IGBT driver element, it is characterized in that: described intelligent DC charging module also comprises A.C. contactor, after the coil tandem main switch of this A.C. contactor, be connected between any two-phase of three phase mains, three normally opened contacts of A.C. contactor are connected between joint and three-phase commutation bridge, the coil of described A.C. contactor is parallel connection power supply unit also, power subsystem is with thinking that control panel provides operating voltage.
By adopting technique scheme, main switch disconnected before joint grafting three phase mains, the coil of A.C. contactor does not have exciting current, therefore its three groups of normally opened contacts that are connected between joint and three phase rectifier unit cut-off, while now needing to charge, joint is plugged on three phase mains, because joint does not connect in loop, therefore in the time pegging graft, do not produce electric arc, intersect prior art safer, the power subsystem that is simultaneously parallel to the coil two ends of A.C. contactor does not have power supply input, therefore control panel does not have operating voltage, circuit entirety is in off-position, do not consume electric energy, having reduced powers on is conducting and the electric energy loss that brings in holding state.
Further, the regulator rectifier circuit that described power subsystem comprises transformer and couples with it, with the required operating voltage of output control panel work.
By adopting technique scheme, main switch closure, the alternating current of any two-phase of three phase mains is by transformer transformation to regulator rectifier circuit, and output services voltage after rectifying and voltage-stabilizing, controllably makes control panel work on power.
Further, the coil two ends of described A.C. contactor are also parallel with fan.
By adopting technique scheme, whole intelligent DC charging module connects to conduct when in running order and produces amount of heat, and fan is accelerated Air Flow, accelerates heat radiation, simultaneously the same as with control panel main switch control, does not consume electric energy while not devoting oneself to work.
Further, the output of intelligent DC charging module is also coupled with relay, and the coil of relay is connected between the output of power subsystem, and the normally opened contact of relay is connected in series in the output path of intelligent DC charging module.
By adopting technique scheme, before main switch closure, the normally opened contact of relay disconnects, and has blocked the path that intelligent DC charging module is communicated with electrokinetic cell by its output, has avoided the anti-intelligent DC charging module that flows into of electric current.
Further, between described joint and the normally opened contact of A.C. contactor, be connected with air switch.
By adopting such scheme, in the time that exceeding rated current, access electric current automatically disconnects, to protect intelligent DC charging module.
Further, between the phase line of the input side of three phase rectifier unit, be all connected with piezo-resistance.
By adopting such scheme, can deter from the short trouble of circuit, alternating current overlap joint, alternating current and crosstalk and the threat of lightning surge, the security of raising and stability.
Further, the outlet side of three phase rectifier unit is coupled with safety electric capacity.
By adopting such scheme, suppress Conduction Interference, play power filter effect, respectively common mode, DM EMI are strobed.
Further, between single-phase rectifier unit and the output of intelligent DC charging module, be also connected with current sensor, for detection of output current and feed back to control panel.
By adopting such scheme, the DC charging electric current of output is carried out to Real-Time Monitoring, charging process is more controlled.
Further, the output of described single-phase rectifier unit is coupled with filter circuit.
Further, described filter circuit is RLC filter circuit.
By adopting such scheme, the direct current after rectification is carried out to filtering, make the waveform of output voltage and electric current more steady.
In sum, the utlity model has following beneficial effect: by main switch is set, and interlocking main switch and the coil of A.C. contactor and the access of power subsystem and three phase mains and cut out, under main switch disconnects, joint connects three-phase electricity and does not produce electric arc, make intelligent DC charging module whether switch on controlled simultaneously, reduce power consumption.
Brief description of the drawings
Fig. 1 is the circuit diagram of the present embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the present embodiment comprises that model is the Aviation Connector of Y28M-4TK, be used for connecting three phase mains, after Aviation Connector connects the air switch that model is DZ47-60, three normally opened contacts that three phase lines connect respectively A.C. contactor K1 are connected to three-phase commutation bridge again, between three phase lines, cross-over connection has piezo-resistance R1 respectively, R2, R3, three-phase commutation bridge is direct current output for the first time by three-phase alternating current electric rectification, its output connects safety electric capacity, wherein C1 is X electric capacity, C4 and C10 are Y electric capacity, direct current inputs to by switching tube Q1 for the first time, Q2, Q3, Q4 forms full bridge inverter, this full bridge inverter connects IGBT by control panel and drives and control after chip and drive that (annexation of IGBT driving chip and switching tube Q1 to Q4 does not specifically illustrate, but it is understood thoroughly by those skilled in the art, therefore omit), it is to exchange the primary side that inputs to transformation T2 that direct current output is for the first time carried out to inversion, transformer T2 carries out step-down to the alternating current of input, then pass through by D1, D2, D3, the single-phase rectification bridge that D4 forms carries out full-wave rectification, export direct current output for the second time, single-phase rectification bridge is also coupled with resistance R 4, capacitor C 5, the RLC filter circuit that inductance L 2 forms carries out filtering voltage regulation to direct current output for the second time, inductance L 2 connects LEM current sensor afterwards through capacitor C 11, C12, C13 filtering, export final charging current by output OUT, current sensor is to charging power Real-Time Monitoring and to feed back to MCU(integrated on control panel not shown).
Get phase line L2 and L3 and draw and be connected to plug receptacle J1, J1 opposite side is connected in series main switch S, the coil of A.C. contactor K1, node between the coil of main switch S and A.C. contactor K1 also connects fan MG, another terminals of fan MG are connected to control panel, the coil two ends of A.C. contactor K1 are also parallel with transformer T1, through inputing to regulator rectifier circuit after transformer T1 step-down, with the required operating voltage of output control panel work, transformer T1 forms the power subsystem in the present embodiment together with regulator rectifier circuit, the dual output mu balanced circuit that regulator rectifier circuit adopts as commercial LM7824 voltage stabilizing chip is core, exportable+24V and-24V voltage.
On the output channel of output OUT, be also serially connected with the normally opened contact of relay K 2, exported by power subsystem+24V of the coil of relay K 2 and-24V power voltage supply, be that main switch S controls the fan MG work of whether switching on, and the coil of A.C. contactor K1 and relay K 2 whether electric excitation, only, in the time that S is closed, whole intelligent DC charging module is just in conducting duty.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art are reading after this description and can make to the present embodiment the amendment that there is no creative contribution as required, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.

Claims (10)

1. an intelligent DC charging module, comprise control panel and couple successively for connecting the joint of three phase mains, three phase rectifier unit, full-bridge inverting unit, voltage transformation unit, single-phase rectifier unit, output, control panel couples full-bridge inverting unit by IGBT driver element, it is characterized in that: described intelligent DC charging module also comprises A.C. contactor, after the coil tandem main switch of this A.C. contactor, be connected between any two-phase of three phase mains, three normally opened contacts of A.C. contactor are connected between joint and three-phase commutation bridge, the coil of described A.C. contactor is parallel connection power supply unit also, power subsystem is with thinking that control panel provides operating voltage.
2. intelligent DC charging module according to claim 1, is characterized in that: the regulator rectifier circuit that described power subsystem comprises transformer and couples with it, and with the required operating voltage of output control panel work.
3. intelligent DC charging module according to claim 1, is characterized in that: the coil two ends of described A.C. contactor are also parallel with fan.
4. intelligent DC charging module according to claim 1, it is characterized in that: the output of intelligent DC charging module is also coupled with relay, the coil of relay is connected between the output of power subsystem, and the normally opened contact of relay is connected in series in the output path of intelligent DC charging module.
5. intelligent DC charging module according to claim 1, is characterized in that: between described joint and the normally opened contact of A.C. contactor, be connected with air switch.
6. intelligent DC charging module according to claim 1, is characterized in that: between the phase line of the input side of three phase rectifier unit, be all connected with piezo-resistance.
7. intelligent DC charging module according to claim 1, is characterized in that: the outlet side of three phase rectifier unit is coupled with safety electric capacity.
8. intelligent DC charging module according to claim 1, is characterized in that: between single-phase rectifier unit and the output of intelligent DC charging module, be also connected with current sensor, for detection of output current and feed back to control panel.
9. intelligent DC charging module according to claim 1, is characterized in that: the output of described single-phase rectifier unit is coupled with filter circuit.
10. intelligent DC charging module according to claim 9, is characterized in that: described filter circuit is RLC filter circuit.
CN201620041329.7U 2016-01-15 2016-01-15 Intelligence direct current module of charging Expired - Fee Related CN205304353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620041329.7U CN205304353U (en) 2016-01-15 2016-01-15 Intelligence direct current module of charging

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Application Number Priority Date Filing Date Title
CN201620041329.7U CN205304353U (en) 2016-01-15 2016-01-15 Intelligence direct current module of charging

Publications (1)

Publication Number Publication Date
CN205304353U true CN205304353U (en) 2016-06-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106141763A (en) * 2016-08-30 2016-11-23 广东广都电扶梯部件有限公司 The cutter shaft driving means of band defencive function on a kind of gear-hobbing machine
CN107768195A (en) * 2016-08-18 2018-03-06 昆山国力源通新能源科技有限公司 Pre-charge circuit built in D.C. contactor and its control method
CN109322691A (en) * 2018-10-22 2019-02-12 中铁第四勘察设计院集团有限公司 The energy consuming brake of tunnel blower

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768195A (en) * 2016-08-18 2018-03-06 昆山国力源通新能源科技有限公司 Pre-charge circuit built in D.C. contactor and its control method
CN107768195B (en) * 2016-08-18 2019-12-10 昆山国力源通新能源科技有限公司 built-in pre-charging circuit of direct current contactor and control method thereof
CN106141763A (en) * 2016-08-30 2016-11-23 广东广都电扶梯部件有限公司 The cutter shaft driving means of band defencive function on a kind of gear-hobbing machine
CN109322691A (en) * 2018-10-22 2019-02-12 中铁第四勘察设计院集团有限公司 The energy consuming brake of tunnel blower
CN109322691B (en) * 2018-10-22 2024-03-15 中铁第四勘察设计院集团有限公司 Energy consumption braking device of tunnel fan

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160608

CF01 Termination of patent right due to non-payment of annual fee