CN103872728A - Multifunctional integral electric automobile vehicle-mounted charging machine - Google Patents
Multifunctional integral electric automobile vehicle-mounted charging machine Download PDFInfo
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- CN103872728A CN103872728A CN201410074520.7A CN201410074520A CN103872728A CN 103872728 A CN103872728 A CN 103872728A CN 201410074520 A CN201410074520 A CN 201410074520A CN 103872728 A CN103872728 A CN 103872728A
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Abstract
The invention provides a multifunctional integral electric automobile vehicle-mounted charging machine, which comprises a switch, a front end filtering module, a first rectifying module, a power factor correcting module, a first filtering module, an inversion module, a transformer, a second rectifying module and a second filtering module in sequential connection, wherein the transformer at least comprises one primary edge winding coil, one first secondary edge winding coil and one second secondary edge winding coil, the second rectifying module is connected with the second secondary edge winding coil, the second filtering module is connected with a storage battery, the charging machine also comprises a rectifying inversion module and a third filtering module, wherein the rectifying inversion module and the third filtering module are sequentially connected behind the first secondary edge winding coil, and the third filtering module is connected with a power battery. The multifunctional integral electric automobile vehicle-mounted charging machine has the advantages that the functions of the vehicle-mounted charging machine are expanded, the two functions of a vehicle-mounted alternating current and direct current charging machine and a direct current converter are realized, the cost of the vehicle-mounted charging machine is reduced, the weight and the size are reduced, meanwhile, the electric isolation is realized, and in addition, the energy conversion efficiency is high.
Description
Technical field
The invention belongs to the vehicle-mounted charging technique of electric automobile field, relate to a kind of charger of electric automobile.
Background technology
World today's environment, energy problem become increasingly conspicuous, and electric automobile becomes the focus of auto industry research, exploitation, but the marketization of electric automobile is still subject to the obstruction of some key technologies.Wherein, a relatively more outstanding charging technique that technology is exactly electric automobile.
Electric automobile battery charger is the important component part of electric automobile.At present, electric automobile battery charger can be divided into non-Vehicular charger and Vehicular charger.For electric automobile, the effect of traditional Vehicular charger is that the alternating current of public electric wire net is charged to high voltage power battery.Traditional Vehicular charger comprises following part: electromagnetic interference (EMI) filter, input rectifying module, power factor correction (PFC) module, input filter, inversion module, transformer, output rectification module, output filter; Wherein inversion module, transformer, output rectification module, output filter have formed direct current DC converting unit, have realized direct current DC converting function.Vehicle-mounted DC converter (DCDC) is charged to low tension battery for high voltage power battery, this DC converter is similar to the function that the direct current DC converting unit in Vehicular charger need to be realized, but both generally separate, for public electric wire net, power battery charging and electrokinetic cell are charged to low tension battery, two DCDC equipment are comprised from principle, thereby the cost of Vehicular charger is high, the large and function singleness of volume.
Summary of the invention
The object of the present invention is to provide one can in the time of needs vehicle-mounted charge, utilize public electric wire net alternating current simultaneously to high voltage power battery and low tension battery charging, can in the time of vehicle operating, utilize again the Vehicular charger of high voltage power battery to low tension battery charging.
In order to achieve the above object, solution of the present invention is:
The vehicle-mounted charger of a kind of multifunctional all electric automobile, comprises the front-end filtering module, the first rectification module, power factor correction module, the first filtration module, inversion module, transformer, the second rectification module that connect successively, the second filtration module; Described transformer at least comprises a former limit winding coil and the first secondary winding coil and two secondary winding coils of the second secondary winding coil; Described the second rectification module connects described the second secondary winding coil, take by the AC rectification of described the second secondary winding coil output as direct current; Described the second filtration module connects the storage battery of place automobile, with the ripple component in the direct current of the second rectification module output described in filtering; Described charger also comprises the commutation inversion module and the 3rd filtration module that are connected in successively after described the first secondary winding coil; Described the 3rd filtration module connects the electrokinetic cell of place automobile, with the ripple component in the direct current of commutation inversion module output described in filtering; Described commutation inversion module is direct current for the AC rectification that described the first secondary winding coil is exported, or is alternating current by the DC inverter of electrokinetic cell output.
Described Vehicular charger also comprises the first switch, and the first switch connects described front-end filtering module and public electric wire net, as the interface of described Vehicular charger and public electric wire net.
Described front-end filtering module is front end filter.
Described front end filter is Electromagnetic interference filter.
Described the first filtration module is the first filter.
Described the second filtration module is the second filter.
Described the 3rd filtration module is the 3rd filter.
The input of described the first filtration module is also connected by second switch with described high voltage power battery.
Described storage battery is vehicle-mounted 12 overhead accumulators.
Owing to adopting such scheme, the invention has the beneficial effects as follows: in the vehicle-mounted charger of multifunctional all electric automobile of the present invention, transformer primary side has one group of winding coil, secondary has two groups of winding coils, makes this vehicle-mounted charge function utilize the integrated alternating current-direct current charger of same magnetic circuit and two kinds of functions of DC converter.The vehicle-mounted charger of this multifunctional all electric automobile has been realized electrical isolation, and energy conversion efficiency is high, has expanded the function of Vehicular charger, has reduced the cost of Vehicular charger, has reduced the weight and volume of Vehicular charger.
Accompanying drawing explanation
Fig. 1 is the theory of constitution figure of Vehicular charger in the embodiment of the present invention;
Fig. 2 is energy flow diagram when Vehicular charger is realized alternating current-direct current charger function in the embodiment of the present invention;
Fig. 3 is energy flow diagram when Vehicular charger adopts first kind of way to realize DC converter function in the embodiment of the present invention;
Fig. 4 is energy flow diagram when Vehicular charger adopts the second way to realize DC converter function in the embodiment of the present invention.
In accompanying drawing: 101, the first switch; 102, second switch; 2, transformer; 21, former limit winding coil; 2201, the first secondary winding coil; 2202, the second secondary winding coil.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
For charger function singleness in prior art, the shortcoming such as the high volume of cost is large, the present invention proposes the vehicle-mounted charger of a kind of multifunctional all electric automobile.This Vehicular charger comprises that the first switch 101, electromagnetic interface filter, the first rectification module, PFC module, the first filter, inversion module, the former limit that connect successively have a winding coil secondary to have the transformer 2 of two winding coils.Also comprise the rectification/inversion module and the 3rd filter that are connected in successively after transformer the first secondary winding coil 2201, and be connected in successively the second rectification module and the second filter after transformer the second secondary winding coil 2202.Wherein, the 3rd filter is connected with high voltage power battery, and the second filter is connected with low tension battery, and the first filter is connected with high voltage power battery by second switch 102 at input.Figure 1 shows that the theory of constitution figure of this Vehicular charger.
Wherein, the first switch 101 is the interface of this charger and public electric wire net; Which kind of mode second switch 102 adopts realize high voltage power battery to low pressure 12 overhead accumulator chargings for selecting.Electromagnetic interface filter is for filtering the high order harmonic component from public electric wire net; It is Rectified alternating current by the AC rectification of public electric wire net that the first rectification module is used for; PFC module is used for improving power factor, reduces the harmonic wave of this Vehicular charger input public electric wire net; The first filter is for the ripple component of filtering PFC module output direct current; Inversion module is alternating current for the DC inverter that the first filter is exported; Transformer is used for realizing transformation and Energy Transfer; Rectification/inversion module is direct current for the AC rectification that transformer the first secondary winding coil 2201 is exported, or is alternating current by the DC inverter of high voltage power battery output; The 3rd filter is for the ripple component of filtering rectification/inversion module output direct current; The second rectification module is direct current for the AC rectification that transformer the second secondary winding coil 2202 is exported; The second filter is for the ripple component of filtering the second rectification module output direct current; High voltage power battery is electric powered motor source; Low tension battery is vehicle-mounted 12 overhead accumulators of electric automobile.
The vehicle-mounted charger of this multifunctional all electric automobile has alternating current-direct current charger and two kinds of functions of DC converter.In the time of needs vehicle-mounted charge, utilize public electric wire net alternating current simultaneously to high voltage power battery and low pressure 12 overhead accumulator chargings, realize alternating current-direct current charger function; And in the time of vehicle operating, utilize high voltage power battery to low pressure 12 overhead accumulators chargings, and can realize by two kinds of modes and utilize high voltage power battery to low pressure 12 overhead accumulators chargings when the vehicle operating, realize the function of DC converter.
Energy flow diagram when the vehicle-mounted charger of this multifunctional all electric automobile shown in Fig. 2 is realized alternating current-direct current charger function, the direction of the direction indication energy flow of arrow in Fig. 2, now the first switch 101 closures, second switch 102 is opened.The energy of public electric wire net passes through electromagnetic interface filter successively, the first rectification module, PFC module, the first filter, inversion module flows to the former limit of transformer, flow to the energy of transformer 2 from two secondary winding coil output, the energy of exporting from the first secondary winding coil 2201 is through over commutation/inversion module, the 3rd filter flows to high voltage power battery, the energy of exporting from the second secondary winding coil 2202 is through the second rectification module, the second filter flows to low pressure 12 overhead accumulators, thereby realizing and utilizing public electric wire net alternating current is high voltage power battery and low pressure 12 overhead accumulator chargings simultaneously.
Figure 3 shows that energy flow diagram when the vehicle-mounted charger of this multifunctional all electric automobile adopts first kind of way to realize DC converter function, the direction of the direction indication energy flow of arrow in Fig. 3, now the first switch 101 disconnects, and second switch 102 also disconnects.The energy of high voltage power battery output flows to transformer 2 through the 3rd filter, rectification/inversion module from the first secondary winding coil 2201 of transformer 2, now switch 1 disconnects, Vehicular charger is not connected to public electric wire net, the energy that flows to transformer 2 flows out from the second secondary winding coil 2202 of transformer 2, flow to low pressure 12 overhead accumulators through the second rectification module, the second filter, thereby realize the DC voltage conversion of high voltage power battery to low pressure 12 overhead accumulators.
Figure 4 shows that energy flow diagram when the vehicle-mounted charger of this multifunctional all electric automobile adopts the second way to realize DC converter function, the direction of the direction indication energy flow of arrow in Fig. 4, now the first switch 101 disconnects, second switch 102 closures.The energy of high voltage power battery output flows to the former limit of transformer 2 through the first filter, inversion module, the energy that flows to transformer 2 flows out from the second secondary winding coil 2202 of transformer 2, flow to low pressure 12 overhead accumulators through the second rectification module, the 3rd filter, thereby realize the DC voltage conversion of high voltage power battery to low pressure 12 overhead accumulators.
In sum, in the vehicle-mounted charger of multifunctional all electric automobile of the present invention, transformer primary side has one group of winding coil, secondary has two groups of winding coils, makes this vehicle-mounted charge function utilize the integrated alternating current-direct current charger of same magnetic circuit and two kinds of functions of DC converter.The vehicle-mounted charger of this multifunctional all electric automobile has been realized electrical isolation, and energy conversion efficiency is high, has expanded the function of Vehicular charger, has reduced the cost of Vehicular charger, has reduced the weight and volume of Vehicular charger.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (9)
1. the vehicle-mounted charger of multifunctional all electric automobile, comprise the front-end filtering module, the first rectification module, power factor correction module, the first filtration module, inversion module, transformer, the second rectification module that connect successively, the second filtration module, is characterized in that: described transformer at least comprises a former limit winding coil and the first secondary winding coil and two secondary winding coils of the second secondary winding coil; Described the second rectification module connects described the second secondary winding coil, take by the AC rectification of described the second secondary winding coil output as direct current; Described the second filtration module connects the storage battery of place automobile, with the ripple component in the direct current of filtering the second rectification module output;
Described charger also comprises the commutation inversion module and the 3rd filtration module that are connected in successively after the first secondary winding coil; The 3rd filtration module connects the electrokinetic cell of place automobile, with the ripple component in the direct current of commutation inversion module output described in filtering; Described commutation inversion module is direct current for the AC rectification that the first secondary winding coil is exported, or is alternating current by the DC inverter of electrokinetic cell output.
2. the vehicle-mounted charger of multifunctional all electric automobile according to claim 1, it is characterized in that: described Vehicular charger also comprises the first switch, the first switch connects described front-end filtering module and public electric wire net, as the interface of described Vehicular charger and public electric wire net.
3. the vehicle-mounted charger of multifunctional all electric automobile according to claim 1, is characterized in that: described front-end filtering module is front end filter.
4. the vehicle-mounted charger of multifunctional all electric automobile according to claim 3, is characterized in that: described front end filter is Electromagnetic interference filter.
5. the vehicle-mounted charger of multifunctional all electric automobile according to claim 1, is characterized in that: described the first filtration module is the first filter.
6. the vehicle-mounted charger of multifunctional all electric automobile according to claim 1, is characterized in that: described the second filtration module is the second filter.
7. the vehicle-mounted charger of multifunctional all electric automobile according to claim 1, is characterized in that: described the 3rd filtration module is the 3rd filter.
8. the vehicle-mounted charger of multifunctional all electric automobile according to claim 1, is characterized in that: the input of described the first filtration module is also connected by second switch with described high voltage power battery.
9. the vehicle-mounted charger of multifunctional all electric automobile according to claim 1, is characterized in that: described storage battery is vehicle-mounted 12 overhead accumulators.
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| CN201410074520.7A CN103872728A (en) | 2014-03-03 | 2014-03-03 | Multifunctional integral electric automobile vehicle-mounted charging machine |
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| CN201410074520.7A CN103872728A (en) | 2014-03-03 | 2014-03-03 | Multifunctional integral electric automobile vehicle-mounted charging machine |
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| CN104767310A (en) * | 2015-04-15 | 2015-07-08 | 哈尔滨工业大学 | Parallel connection method and series connection method for motor windings of three-phase non-isolated integrated vehicle-mounted charger |
| CN105762902A (en) * | 2016-03-25 | 2016-07-13 | 嘉善中正新能源科技有限公司 | Vehicular charger circuit capable of achieving DC/DC conversion function |
| WO2016192007A1 (en) * | 2015-06-01 | 2016-12-08 | 广东欧珀移动通信有限公司 | Charging circuit and mobile terminal |
| CN106394302A (en) * | 2016-11-18 | 2017-02-15 | 四川创汇智能电力科技有限公司 | Vehicle-mounted charger based on quasi-Z-source conversion |
| CN106655421A (en) * | 2016-11-14 | 2017-05-10 | 深圳市钜能科技有限公司 | Multifunctional car charger |
| CN107284273A (en) * | 2017-07-11 | 2017-10-24 | 深圳市永联科技股份有限公司 | A kind of Vehicular charger main circuit of integrated DC/DC converters and its control |
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| CN108092517A (en) * | 2018-01-24 | 2018-05-29 | 合肥东胜汽车电子有限公司 | The circuit that a kind of vehicle-mounted charge is connected with DCDC |
| WO2018113507A1 (en) * | 2016-12-21 | 2018-06-28 | 蔚来汽车有限公司 | Multifunctional vehicle-mounted power converter and electric vehicle comprising same |
| CN108336788A (en) * | 2018-02-28 | 2018-07-27 | 北京新能源汽车股份有限公司 | A kind of charge control method, device, integrated vehicle-mounted charger and automobile |
| CN109606157A (en) * | 2019-02-14 | 2019-04-12 | 上海科世达-华阳汽车电器有限公司 | A kind of new-energy automobile and its Vehicular charger |
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| CN110356269A (en) * | 2019-07-19 | 2019-10-22 | 宝能(广州)汽车研究院有限公司 | The two-way Vehicular charger and electric car of integrated DC/DC |
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| CN104767310B (en) * | 2015-04-15 | 2017-06-16 | 哈尔滨工业大学 | The machine winding parallel connection methods and serial connection method of the non-isolated integrated on-board charger of three-phase |
| CN104767310A (en) * | 2015-04-15 | 2015-07-08 | 哈尔滨工业大学 | Parallel connection method and series connection method for motor windings of three-phase non-isolated integrated vehicle-mounted charger |
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| CN107284273A (en) * | 2017-07-11 | 2017-10-24 | 深圳市永联科技股份有限公司 | A kind of Vehicular charger main circuit of integrated DC/DC converters and its control |
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| US11101737B2 (en) | 2018-12-27 | 2021-08-24 | Delta Electronics (Shanghai) Co., Ltd. | On-board charging/discharging system and control method thereof |
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| CN112350415B (en) * | 2019-08-09 | 2023-01-06 | 广汽埃安新能源汽车有限公司 | Control method, device and equipment of vehicle-mounted charger and storage medium |
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Application publication date: 20140618 |