CN105490363A - Vehicle-mounted bidirectional charger and electric vehicle - Google Patents
Vehicle-mounted bidirectional charger and electric vehicle Download PDFInfo
- Publication number
- CN105490363A CN105490363A CN201610007282.7A CN201610007282A CN105490363A CN 105490363 A CN105490363 A CN 105490363A CN 201610007282 A CN201610007282 A CN 201610007282A CN 105490363 A CN105490363 A CN 105490363A
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 42
- 238000007600 charging Methods 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H02J7/045—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
Abstract
The invention discloses a vehicle-mounted bidirectional charger and an electric vehicle. The vehicle-mounted bidirectional charger comprises a power battery, a charging interface, a power supply interface, a bidirectional AC/DC converter and a bidirectional DC/DC converter and a controller, wherein the charging interface is used for receiving current from external charging equipment for charging a power battery; the power supply interface is used for allowing the power battery to supply power supply to load equipment; the bidirectional AC/DC converter is connected with the charging interface and the power supply interface separately; the bidirectional DC/DC converter is connected with the bidirectional AC/DC converter and the power battery separately; and the controller is connected with the bidirectional AC/DC converter and the bidirectional DC/DC converter separately, and used for controlling the bidirectional AC/DC converter and the bidirectional DC/DC converter. According to the embodiment of the vehicle-mounted bidirectional charger, the charging requirement of the power battery can be satisfied; and the energy of the power battery can be output for satisfying other power utilization requirements of vehicle-to-vehicle charge.
Description
Technical field
The present invention relates to charging technique field, be specifically related to a kind of vehicle-mounted bidirectional charger and electric motor car.
Background technology
Vehicular charger is responsible for the power battery charging of electric motor car, to meet the demand of electric motor car distance travelled.As shown in Figure 1, in correlation technique, in order to improve power factor, prime adopts circuit of power factor correction: in order to realize Energy Transfer, and DC/DC circuit adopts full-bridge topology, with high frequency transformer isolation to improve complete machine security performance; Exporting and adopt diode rectification, is that direct current charges a battery by high-frequency ac rectification.In above-mentioned technology, because interchange input side and DC output side all adopt diode to carry out rectification, therefore can only realize the transmission of energy from electrical network to electrokinetic cell, and the energy of electrokinetic cell cannot be produced, namely cannot meet car to electrokinetic cells such as car chargings is the demand that external loading is powered.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is to propose a kind of vehicle-mounted bidirectional charger, this vehicle-mounted bidirectional charger meet electrical network to power battery charging demand while, the energy of electrokinetic cell can be spread out of, meet the demand that car is powered for external loading to car charging etc.
Second object of the present invention is to propose a kind of electric motor car.
For achieving the above object, the vehicle-mounted bidirectional charger of first aspect present invention embodiment, comprising: electrokinetic cell; Charging inlet, for the electric current that receives external charging equipment with to described power battery charging; Power supply interface, for providing power supply by described electrokinetic cell to load equipment; Two-way AC/DC transducer, is connected with described power supply interface with described charging inlet respectively; Two-way DC/DC transducer, is connected with described electrokinetic cell with described two-way AC/DC transducer respectively; Controller, described controller is connected with described two-way DC/DC transducer with described two-way AC/DC transducer respectively, for controlling described two-way AC/DC transducer and described two-way DC/DC transducer.
According to the vehicle-mounted bidirectional charger of the embodiment of the present invention, two-way AC/DC transducer and the work of two-way DC/DC transducer is controlled by controller, thus realize electrical network to power battery charging while, also can according to user's request for other AC load be powered, to meet many-sided demand of user, promote Consumer's Experience.
In addition, vehicle-mounted bidirectional charger according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, when the electric current by described external charging equipment is to described power battery charging, described controller controls described charging inlet and is communicated with described two-way DC/DC transducer, and control described two-way AC/DC transducer and described two-way DC/DC transducer with first direction conducting, to make described external charging equipment to described power battery charging.
According to one embodiment of present invention, when providing power supply by described electrokinetic cell to load equipment, described controller controls described power supply interface and is communicated with described two-way DC/DC transducer, and control described two-way AC/DC transducer and described two-way DC/DC transducer with second direction conducting, provide power supply to make described electrokinetic cell to load equipment.
According to one embodiment of present invention, described vehicle-mounted bidirectional charger also comprises: battery current acquisition module, for gathering the operating current of described electrokinetic cell; Battery voltage acquisition module, for gathering the operating voltage of described electrokinetic cell; Wherein, described controller judges whether according to the operating current of described electrokinetic cell and operating voltage the work requirements meeting user, and reminds described user when judgement does not meet.
According to one embodiment of present invention, described vehicle-mounted bidirectional charger also comprises: alternating current detection module, for detecting the electric current of described two-way AC/DC transducer AC; Alternating voltage detection module, for detecting the voltage of described two-way AC/DC transducer AC; Wherein, described controller controls described two-way AC/DC transducer according to the electric current of described two-way AC/DC transducer AC and voltage.
According to one embodiment of present invention, described vehicle-mounted bidirectional charger also comprises: bus current detection module, for detecting the electric current of bus; Busbar voltage detection module, for detecting the voltage of described bus; Wherein, described controller controls described two-way AC/DC transducer according to the electric current of described bus and voltage
For achieving the above object, second aspect present invention embodiment proposes a kind of electric motor car, comprises above-mentioned vehicle-mounted bidirectional charger.This electric motor car realize electrical network to power battery charging while, also can according to user's request for other AC load be powered, to meet many-sided demand of user, promote Consumer's Experience.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the Vehicular charger in correlation technique;
Fig. 2 is the structural frames of vehicle-mounted bidirectional charger according to an embodiment of the invention;
Fig. 3 is the structural representation of vehicle-mounted bidirectional charger according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings vehicle-mounted bidirectional charger and the electric motor car of the embodiment of the present invention are described.
Fig. 2 is the structured flowchart of the vehicle-mounted bidirectional charger of the embodiment of the present invention.As shown in Figure 2, this vehicle-mounted bidirectional charger comprises: electrokinetic cell 11, charging inlet 12, power supply interface 13, two-way AC/DC transducer 14, two-way DC/DC transducer 15 and controller 16.
Wherein, charging inlet 12 is for receiving the electric current of external charging equipment to charge to electrokinetic cell 11; Power supply interface 13 is for providing power supply by electrokinetic cell 11 to load equipment; Two-way AC/DC transducer 14 is connected with power supply interface 13 with charging inlet 12 respectively; Two-way DC/DC transducer 15 is connected with electrokinetic cell 11 with two-way AC/DC transducer 14 respectively; Controller 16 controller is connected with two-way DC/DC transducer 15 with two-way AC/DC transducer 14 respectively, for controlling two-way AC/DC transducer 14 and two-way DC/DC transducer 15.
Particularly, as shown in Figure 3, in one embodiment of the invention, controller 16 can be controlled two-way AC/DC transducer 14 by driving 1 signal, controls with driving 3 signals by driving 2 to two-way DC/DC transducer 15.
In an embodiment of the present invention, when the electric current by external charging equipment charges to electrokinetic cell 11, controller 16 controls charging inlet 11 and is communicated with two-way AC/DC transducer 14, and control two-way AC/DC transducer 14 and two-way DC/DC transducer 15 with first direction conducting, charge to electrokinetic cell 11 to make external charging equipment.And when providing power supply by electrokinetic cell 11 to load equipment, controller 16 controls power supply interface 12 and is communicated with two-way AC/DC transducer 14, and control two-way AC/DC transducer 14 and two-way DC/DC transducer 15 with second direction conducting, provide power supply to make electrokinetic cell 11 to load equipment.
Wherein, first direction is that two-way AC/DC transducer 14 points to two-way DC/DC transducer 15, and second direction is that two-way AC/DC transducer 14 points to two-way DC/DC transducer 15.
Be understandable that, for economizing on resources with easy to use, in one embodiment of the invention, charging inlet 12 and power supply interface 13 can share an interface.
Preferably, as shown in Figure 3, in an embodiment of the present invention, the topology of two-way AC/DC transducer 14 Energy Transfer is: PWM (PulseWidthModulation, pulse width modulation) rectification, full-bridge circuit and Synchronous High voltage rectification.The topology of two-way DC/DC transducer 15 Energy Transfer is: full-bridge circuit, Synchronous High voltage rectification and inverter circuit.
Particularly, as shown in Figure 3, Synchronous High voltage rectification adopts the power MOSFET (Metal-Oxide-SemiconductorField-EffectTransistor that on state resistance is extremely low, Metal-oxide-semicondutor field effect transistor) replace rectifier diode, greatly can reduce the loss of rectifier, improve the efficiency of two-way AC/DC transducer 14 and two-way DC/DC transducer 15, meet the needs of high pressure, big current rectification.
In one embodiment of the invention, as shown in Figure 3, this vehicle carried device bidirectional charger can also comprise: battery current acquisition module 17, battery voltage acquisition module 18, AC current collecting module 19, AC voltage sampling module 20, bus current detection module 21 and busbar voltage detection module 22.
Particularly, battery current acquisition module 17 is for gathering the operating current of electrokinetic cell 11, and battery voltage acquisition module 18 is for gathering the operating voltage of electrokinetic cell 11; Wherein, controller 16 judges whether according to the operating current of electrokinetic cell 11 and operating voltage the work requirements meeting user, and reminds user when judgement does not meet.
For example, one electric motor car in the wild, user wishes to power to insulating pot by the portion of energy in the electrokinetic cell 11 of this electric motor car to heat up water, if the operating current of the electrokinetic cell 11 that battery current acquisition module 17 collects, the operating voltage of the electrokinetic cell 11 that battery voltage acquisition module 18 collects cannot meet this need for electricity, then controller 16 can be reminded user, it can be voice reminder, as " battery electric quantity is not enough ", it can be the alarm song of " ticking ", can also be that the word shown in vehicle electronics screen display is reminded, as " battery electric quantity is not enough ".And if the operating current of electrokinetic cell 11 and voltage meet the power demands of insulating pot, then automatically enable vehicle-mounted bidirectional charger, namely controller 16 controls power supply interface 12 and is communicated with two-way AC/DC transducer 14, and control two-way AC/DC transducer 14 and two-way DC/DC transducer 15 with second direction conducting, provide power supply to make electrokinetic cell 11 to insulating pot (i.e. load equipment).
Alternating current detection module 19 is for detecting the electric current of two-way AC/DC transducer AC, and alternating voltage detection module 20 is for detecting the voltage of two-way AC/DC transducer AC; Wherein, controller 16 controls two-way AC/DC transducer 14 according to the electric current of two-way AC/DC transducer AC and voltage.
Bus current detection module 21 is for detecting the electric current of bus, and busbar voltage detection module 22 is for detecting the voltage of bus; Wherein, controller 16 controls two-way AC/DC transducer 14 according to the electric current of bus and voltage.
Particularly, in one embodiment of the invention, the electric current of external charging equipment is had to charge to electrokinetic cell 11, the busbar voltage that the electric current of external charging equipment input, the voltage of the external charging equipment input of alternating voltage detection module 20 detection, the bus current of bus current detection module 21 detection and busbar voltage detection module 22 that then controller 16 detects according to alternating current detection module 19 detect controls two-way AC/DC transducer 14 and works, the alternating current of external charging equipment is made to be converted to direct current, to realize charging to electrokinetic cell 11.Be understandable that, what external charging equipment inputted is alternating current.
Preferably, controller 16 can be single-chip microcomputer, and it has, and volume is little, controlling functions is strong, low in energy consumption, adaptive capacity to environment strong, expand the advantages such as flexible and easy to use.Be understandable that, as shown in Figure 3, controller 16 can carry out CAN (ControllerAreaNetwork, controller local area network) with entire car controller and communicate, to embody the globality that electric motor car controls.
In sum, controller 16 controls two-way AC/DC transducer 14 and two-way DC/DC transducer 15 according to bus current voltage, ac-side current voltage and battery side current/voltage, thus the voltage and current realizing whole vehicle-mounted bidirectional charger controls, and then realize the Energy Transfer of vehicle-mounted bidirectional charger.
According to the vehicle-mounted bidirectional charger of the embodiment of the present invention, two-way AC/DC transducer and the work of two-way DC/DC transducer is controlled by controller, thus realize electrical network to power battery charging while, also can according to user's request for other AC load be powered, to meet many-sided demand of user, promote Consumer's Experience.
Further, the present invention proposes a kind of electric motor car, comprise the vehicle-mounted bidirectional charger of the above embodiment of the present invention.This electric motor car can not only realize electrical network to power battery charging, also according to user's request for other AC load is powered, to meet many-sided demand of user, can promote Consumer's Experience.
In addition, according to the electric motor car of the embodiment of the present invention other form and effect be all known for the ordinary skill in the art, in order to reduce redundancy, do not repeat herein.
In describing the invention, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (7)
1. a vehicle-mounted bidirectional charger, is characterized in that, comprising:
Electrokinetic cell;
Charging inlet, for the electric current that receives external charging equipment with to described power battery charging;
Power supply interface, for providing power supply by described electrokinetic cell to load equipment;
Two-way AC/DC transducer, is connected with described power supply interface with described charging inlet respectively;
Two-way DC/DC transducer, is connected with described electrokinetic cell with described two-way AC/DC transducer respectively;
Controller, described controller is connected with described two-way DC/DC transducer with described two-way AC/DC transducer respectively, for controlling described two-way AC/DC transducer and described two-way DC/DC transducer.
2. vehicle-mounted bidirectional charger as claimed in claim 1, it is characterized in that, when the electric current by described external charging equipment is to described power battery charging, described controller controls described charging inlet and is communicated with described two-way AC/DC transducer, and control described two-way AC/DC transducer and described two-way DC/DC transducer with first direction conducting, to make described external charging equipment to described power battery charging.
3. vehicle-mounted bidirectional charger as claimed in claim 1, it is characterized in that, when providing power supply by described electrokinetic cell to load equipment, described controller controls described power supply interface and is communicated with described two-way AC/DC transducer, and control described two-way AC/DC transducer and described two-way DC/DC transducer with second direction conducting, provide power supply to make described electrokinetic cell to load equipment.
4. vehicle-mounted bidirectional charger as claimed in claim 1, is characterized in that, also comprise:
Battery current acquisition module, for gathering the operating current of described electrokinetic cell;
Battery voltage acquisition module, for gathering the operating voltage of described electrokinetic cell;
Wherein, described controller judges whether according to the operating current of described electrokinetic cell and operating voltage the work requirements meeting user, and reminds described user when judgement does not meet.
5. vehicle-mounted bidirectional charger as claimed in claim 1, is characterized in that, also comprise:
Alternating current detection module, for detecting the electric current of described two-way AC/DC transducer AC;
Alternating voltage detection module, for detecting the voltage of described two-way AC/DC transducer AC;
Wherein, described controller controls described two-way AC/DC transducer according to the electric current of described two-way AC/DC transducer AC and voltage.
6. vehicle-mounted bidirectional charger as claimed in claim 1, is characterized in that, also comprise:
Bus current detection module, for detecting the electric current of bus;
Busbar voltage detection module, for detecting the voltage of described bus;
Wherein, described controller controls described two-way AC/DC transducer according to the electric current of described bus and voltage.
7. an electric motor car, is characterized in that, comprises the vehicle-mounted bidirectional charger according to any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610007282.7A CN105490363A (en) | 2016-01-06 | 2016-01-06 | Vehicle-mounted bidirectional charger and electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610007282.7A CN105490363A (en) | 2016-01-06 | 2016-01-06 | Vehicle-mounted bidirectional charger and electric vehicle |
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| CN201610007282.7A Pending CN105490363A (en) | 2016-01-06 | 2016-01-06 | Vehicle-mounted bidirectional charger and electric vehicle |
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Cited By (11)
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| CN106887879A (en) * | 2016-11-22 | 2017-06-23 | 蔚来汽车有限公司 | Power type movable charging vehicle supplying power for outside system and movable charging vehicle |
| CN107089158A (en) * | 2017-03-28 | 2017-08-25 | 深圳市华宝新能源股份有限公司 | Lithium battery car, which is filled, to be put |
| CN107298033A (en) * | 2017-07-13 | 2017-10-27 | 北京新能源汽车股份有限公司 | A kind of vehicle-mounted bidirectional charger drive circuit, system and electric automobile |
| CN107499149A (en) * | 2017-07-18 | 2017-12-22 | 上海沪歌智能科技有限公司 | A kind of mobile power vehicle battery charge controller |
| CN107554275A (en) * | 2016-06-30 | 2018-01-09 | 比亚迪股份有限公司 | The mobile power station and motor vehicle driven by mixed power of motor vehicle driven by mixed power |
| CN107696863A (en) * | 2016-08-08 | 2018-02-16 | 比亚迪股份有限公司 | EMS and its control method, the electric automobile of electric automobile |
| EP3330120A1 (en) * | 2016-12-05 | 2018-06-06 | Phihong Technology Co., Ltd. | A bidirectional vehicle-mounted charge and discharge system and its methods |
| CN108263220A (en) * | 2016-12-30 | 2018-07-10 | 比亚迪股份有限公司 | The mobile power station and pure electric vehicle of pure electric vehicle |
| CN110154825A (en) * | 2019-05-30 | 2019-08-23 | 奇瑞新能源汽车技术有限公司 | The control method that electric automobile power battery discharges to load outside the vehicle |
| CN110395202A (en) * | 2019-08-14 | 2019-11-01 | 锐库（上海）机电科技有限公司 | Power conversion module with bidirectional power supply function |
| CZ308969B6 (en) * | 2020-04-24 | 2021-10-27 | Vysoká Škola Báňská - Technická Univerzita Ostrava | Charger for bidirectional energy flow and controlling it |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110154825A (en) * | 2019-05-30 | 2019-08-23 | 奇瑞新能源汽车技术有限公司 | The control method that electric automobile power battery discharges to load outside the vehicle |
| CN110395202A (en) * | 2019-08-14 | 2019-11-01 | 锐库（上海）机电科技有限公司 | Power conversion module with bidirectional power supply function |
| CZ308969B6 (en) * | 2020-04-24 | 2021-10-27 | Vysoká Škola Báňská - Technická Univerzita Ostrava | Charger for bidirectional energy flow and controlling it |
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Application publication date: 20160413 |