CN104578254A - Method and device for wireless charging of power battery - Google Patents
Method and device for wireless charging of power battery Download PDFInfo
- Publication number
- CN104578254A CN104578254A CN201410749063.7A CN201410749063A CN104578254A CN 104578254 A CN104578254 A CN 104578254A CN 201410749063 A CN201410749063 A CN 201410749063A CN 104578254 A CN104578254 A CN 104578254A
- Authority
- CN
- China
- Prior art keywords
- wireless charging
- energy
- electric discharge
- discharge device
- cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 claims description 48
- 238000004891 communication Methods 0.000 claims description 18
- 238000012546 transfer Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 16
- 238000007726 management method Methods 0.000 claims description 8
- 230000005674 electromagnetic induction Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000875 corresponding effect Effects 0.000 description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H02J7/0022—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H02J7/025—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention provides a method and device for wireless charging of a power battery. The method mainly comprises the following steps: respectively connecting each cell in a battery module with a wireless charge and discharge device and arranging a plurality of wireless charging devices in an electric energy transmitting end; selecting one or more wireless charging devices and respectively establishing energy transmission passages between one or more selected wireless charging devices and wireless charge and discharge devices, so that each wireless charging device transmits energy to the corresponding wireless charge and discharge device by the corresponding energy transmission passage and each wireless charge and discharge device transmits electric energy to the corresponding cell connected with the wireless charge and discharge device. According to the embodiment of the invention, by arranging a plurality of wireless charging devices in the electric energy transmitting end, respectively connecting the cells in the battery module with the wireless charging devices and applying a wireless charging technology into the charge management process of the battery module, the fact that the cells in the battery module are charged directly by the electric energy transmitting end is realized and independent charge of each cell or simultaneous charge of a plurality of cells is realized.
Description
Technical field
The present invention relates to power battery technology field, particularly relate to a kind of method and apparatus electrokinetic cell being carried out to wireless charging.
Background technology
Nowadays the greatest problem limiting Development of Electric Vehicles is exactly battery.Present electric automobile substantially all needs charge every day, even the battery being full of electricity is generally also difficult to provide enough energy to make its long-time remote traveling.If dead battery in long-distance running, driver will face crag-fast stage.For this problem, following solution can be taked: one is set up charging station, General Requirements charging station can complete charging to electric automobile at short notice, although there is the method for some quick charges at present, the test of being also successfully correlated with, but quick charge cannot be avoided the destruction of battery.Two is the charging piles can setting up card-scanning type in urban cells and parking stall, just have a lot of vehicle so after work to charge, when the quantity of the electric automobile needing charging reaches certain scale, consequent harmonic wave will make electrical network be fluctuated, and even have the possibility of collapse.Three is utilize civilian electrical socket, and civilian electrical socket not only relates to electricity charge problem, and the charging interval is long, becomes main flow charging modes unlikely.
Energy problem become global concern and think in a hurry solution today, new forms of energy obtain everybody extensive concern.New forms of energy aboundresources, generally has regenerative nature, and the mankind can be provided to utilize for a long time.If we can utilize wireless charging technology, at vehicle in the process travelled, by the power storage be converted from new forms of energy, charge directly to electric automobile, so both can reduce the fluctuation because peak value electricity consumption causes electrical network, the utilance of new forms of energy can be increased again, can also be reduced us to the worry not having electricity in electric automobile long-distance running process.
A kind of method utilizing wireless charging technology to carry out charging to electrokinetic cell of the prior art is: electric energy transmitting terminal utilizes wireless charging technical transmission energy to battery modules, battery modules carries out charging process to each cell (battery unit) of its inside again, the detection that battery modules is relevant in charging process and equilibrium treatment are controlled by BMS (BATTERY MANAGEMENT SYSTEM, battery management system).
The above-mentioned shortcoming utilizing wireless charging technology to carry out the method for charging to electrokinetic cell of the prior art is: be add high pressure to battery modules two ends during the method charging, cell charges according to the demand of oneself, and the method can not realize the control of the charge condition to each cell.In addition, in the method charging process, the equilibrium treatment of cell is carried out in battery modules inside, there is the energy ezpenditure in internal balance process.
Summary of the invention
The embodiment provides a kind of method and apparatus electrokinetic cell being carried out to wireless charging, to realize effectively carrying out wireless charging to the cell in battery modules.
According to an aspect of the present invention, provide a kind of method of electrokinetic cell being carried out to wireless charging, comprising:
Be connected by each battery unit cell respectively with one wireless charging electric discharge device in battery modules, in electric energy transmitting terminal, arrange multiple wireless charging device, described method specifically comprises:
Choose 1 or multiple wireless charging device, energy-transmission channel is set up between 1 that chooses or multiple wireless charging device respectively and one wireless charging electric discharge device, each wireless charging device gives corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, and each wireless charging electric discharge device is to the cell electric energy transmitting be connected with it.
Preferably, at battery modules end, multiple wireless charging electric discharge device is set, each wireless charging device comprises energy conversion unit, energy transmitting element, energy-transmission channel set up unit, is connected by each battery unit cell respectively with one the wireless charging electric discharge device in battery modules;
Multiple wireless charging device is set in electric energy transmitting terminal, each wireless charging electric discharge device comprises energy conversion unit, energy acceptance unit, energy-transmission channel set up unit, energy transmitting element.
Preferably, describedly 1 is chosen or multiple wireless charging device comprises:
In described battery modules, BMS is set, described BMS is connected with each wireless charging electric discharge device circuit respectively, wireless charging administrative unit is set in electric energy transmitting terminal, described wireless charging administrative unit is connected with each wireless charging device circuit respectively, and described BMS is connected by cordless communication network with described wireless charging administrative unit;
Described BMS reads the dump energy of each cell respectively by each wireless charging electric discharge device, when the dump energy of 1 or multiple cell is less than the power threshold of setting, described BMS sends the charge request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
After described wireless charging administrative unit receives described charge request, choose one or more wireless charging device, by each wireless charging device respectively with one cell correspondence, the charging corresponding relation between the mark of the wireless charging electric discharge device that the mark of storage wireless charging device and the mark of cell, cell connect;
Preferably, energy-transmission channel is set up between described choose 1 or multiple wireless charging device respectively and one wireless charging electric discharge device, each wireless charging device gives corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, each wireless charging electric discharge device, to the cell electric energy transmitting be connected with it, comprising:
Energy-transmission channel in the wireless charging device energy-transmission channel set up in the wireless charging electric discharge device of unit and correspondence sets up the energy-transmission channel set up between unit based on electromagnetic induction, magnetic resonance or radio wave;
Energy conversion unit in wireless charging device converts electrical energy into the energy that described energy-transmission channel can be transmitted, Energy Transfer after conversion is given the energy transmitting element in described wireless charging device, the energy transmitting element in described wireless charging device by described energy-transmission channel by the Energy Transfer after conversion to the energy acceptance unit in described wireless charging electric discharge device;
Energy acceptance unit in wireless charging electric discharge device by the Energy Transfer that receives to the energy conversion unit in wireless charging electric discharge device, the power conversion received is electric energy by this energy conversion unit, by delivery of electrical energy to the energy transmitting element in wireless charging electric discharge device, the cell that the delivery of electrical energy received connects to wireless charging electric discharge device by this energy transmitting element.
Preferably, described method also comprises:
Described BMS monitors by each wireless charging electric discharge device the electricity that each is in the cell of charged state respectively, when the electricity that one or more is in the cell of charged state is not less than the power threshold of setting, described BMS sends the charging ending request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
After described wireless charging administrative unit receives described charging ending request, charge corresponding relation according to the identification information-enquiry of described 1 or multiple cell, obtain described 1 or wireless charging device corresponding to multiple cell, wireless charging device to described correspondence sends the notification message stopping charging, after the wireless charging device of described correspondence receives described notification message, stop the wireless charging electric discharge device transmitting energy to correspondence.
According to another aspect of the present invention, provide a kind of device electrokinetic cell being carried out to wireless charging, comprising: wireless charging electric discharge device and wireless charging device;
Described wireless charging electric discharge device, for being connected with the battery unit cel in battery modules, a wireless charging electric discharge device respectively with one wireless charging electric discharge device is connected;
Described wireless charging device, for being arranged on electric energy transmitting terminal, energy-transmission channel is set up between 1 that chooses or multiple wireless charging device respectively and one wireless charging electric discharge device, each wireless charging device gives corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, and each wireless charging electric discharge device is to the cell electric energy transmitting be connected with it.
Preferably, described is connected each battery unit cell respectively with one the wireless charging electric discharge device in battery modules, arranges multiple wireless charging device, comprising in electric energy transmitting terminal:
At battery modules end, multiple wireless charging electric discharge device is set, each wireless charging device comprises energy conversion unit, energy transmitting element, energy-transmission channel set up unit, is connected by each battery unit cell respectively with one the wireless charging electric discharge device in battery modules;
Multiple wireless charging device is set in electric energy transmitting terminal, each wireless charging electric discharge device comprises energy conversion unit, energy acceptance unit, energy-transmission channel set up unit, energy transmitting element.
Preferably, described device also comprises: battery management system BMS and wireless charging administrative unit,
Described BMS, for being arranged in described battery modules, be connected with each wireless charging electric discharge device circuit respectively, be connected by cordless communication network with described wireless charging administrative unit, the dump energy of each cell is read respectively by each wireless charging electric discharge device, when the dump energy of 1 or multiple cell is less than the power threshold of setting, sent the charge request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
Described wireless charging administrative unit, for being arranged in electric energy transmitting terminal, be connected with each wireless charging device circuit respectively, after receiving described charge request, choose one or more wireless charging device, by each wireless charging device respectively with one cell correspondence, the charging corresponding relation between the mark of the wireless charging electric discharge device that the mark of storage wireless charging device and the mark of cell, cell connect.
Preferably, the energy-transmission channel in described wireless charging device sets up unit, for and correspondence wireless charging electric discharge device in energy-transmission channel set up the energy-transmission channel set up between unit based on electromagnetic induction, magnetic resonance or radio wave;
Energy conversion unit in described wireless charging device, for converting electrical energy into the energy that described energy-transmission channel can be transmitted, gives the energy transmitting element in described wireless charging device by the Energy Transfer after conversion;
Energy transmitting element in described wireless charging device, for giving the energy acceptance unit in described wireless charging electric discharge device by the Energy Transfer after conversion by described energy-transmission channel;
Energy acceptance unit in described wireless charging electric discharge device, for the Energy Transfer that will receive to the energy conversion unit in wireless charging electric discharge device;
Energy conversion unit in described wireless charging electric discharge device, the power conversion for receiving is electric energy, by delivery of electrical energy to the energy transmitting element in wireless charging electric discharge device;
Energy transmitting element in described wireless charging electric discharge device, the cell that the delivery of electrical energy for receiving connects to wireless charging electric discharge device.
Preferably, described BMS, for monitoring by each wireless charging electric discharge device the electricity that each is in the cell of charged state respectively, when the electricity that one or more is in the cell of charged state is not less than the power threshold of setting, sent the charging ending request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
Described wireless charging administrative unit, after receiving described charging ending request, charge corresponding relation according to the identification information-enquiry of described 1 or multiple cell, obtain described 1 or wireless charging device corresponding to multiple cell, the wireless charging device to described correspondence sends the notification message stopping charging;
The wireless charging device of described correspondence, after receiving described notification message, stops the wireless charging electric discharge device transmitting energy to correspondence.
The technical scheme provided as can be seen from the embodiment of the invention described above, the embodiment of the present invention by arranging multiple wireless charging device in electric energy transmitting terminal, cell in battery modules is connected wireless charging electric discharge device respectively, wireless charging technology is applied in the Charge Management process of battery modules, achieve electric energy transmitting terminal to charge directly to the cell in battery modules, achieve cell and charge separately and can charge by many cell simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of process chart electrokinetic cell being carried out to the method for wireless charging that Fig. 1 provides for the embodiment of the present invention one;
A kind of specific implementation structure chart electrokinetic cell being carried out to the device of wireless charging that Fig. 2 provides for the embodiment of the present invention two, in figure, wireless charging electric discharge device 21, wireless charging device 22, battery management system BMS23 and wireless charging administrative unit 24.
Embodiment
For ease of the understanding to the embodiment of the present invention, be further explained explanation below in conjunction with accompanying drawing for several specific embodiment, and each embodiment does not form the restriction to the embodiment of the present invention.
Embodiment one
This embodiment offers a kind of handling process of electrokinetic cell being carried out to the method for wireless charging as shown in Figure 1, comprise following treatment step:
Step S110, each battery unit cell respectively with one the wireless charging electric discharge device in battery modules to be connected, multiple wireless charging device is set in electric energy transmitting terminal.
Multiple wireless charging electric discharge device is set at battery modules end, each wireless charging device comprises energy conversion unit, energy transmitting element, energy-transmission channel set up unit, respectively with one the wireless charging electric discharge device of each cell in battery modules is connected.
In actual applications, above-mentioned wireless charging electric discharge device can be arranged on inside or the outside of battery modules.The embodiment of the present invention does not limit to the concrete placement location of above-mentioned wireless charging electric discharge device, and any modes of emplacement of above-mentioned wireless charging electric discharge device and battery modules is all in the protection range of the embodiment of the present invention.
Multiple wireless charging device is set in electric energy transmitting terminal, each wireless charging electric discharge device comprises energy conversion unit, energy acceptance unit, energy-transmission channel set up unit, energy transmitting element.
Step S120, choose 1 or multiple wireless charging device, between 1 that chooses or multiple wireless charging device respectively and one wireless charging electric discharge device, set up energy-transmission channel.
In battery modules, also arrange BMS, described BMS is connected with each wireless charging electric discharge device circuit respectively.In electric energy transmitting terminal, arrange wireless charging administrative unit, described wireless charging administrative unit is connected with each wireless charging device circuit respectively, and described BMS is connected by cordless communication network with described wireless charging administrative unit.
Described BMS to read the dump energy of each cell respectively according to the time interval of setting by each wireless charging electric discharge device, when the dump energy of 1 or multiple cell is less than the power threshold of setting, described BMS sends the charge request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network.
The above-mentioned time interval can be half a minute, 1 minute or 5 minutes etc.Above-mentioned power threshold can be voltage threshold, such as: the normal voltage of lithium ion battery is 3.8V, voltage threshold can be the voltage of 3.2V, cell lower than 3.2V, then judge cell be in overvoltage condition, need charge.
After described wireless charging administrative unit receives described charge request, choose one or more wireless charging device, by each wireless charging device respectively with one cell correspondence, the charging corresponding relation between the mark of the wireless charging electric discharge device that the mark of storage wireless charging device and the mark of cell, cell connect.
Energy-transmission channel in the wireless charging device energy-transmission channel set up in the wireless charging electric discharge device of unit and correspondence sets up the energy-transmission channel set up between unit based on electromagnetic induction, magnetic resonance or radio wave.
Those skilled in the art will be understood that the application type of above-mentioned electromagnetic induction, magnetic resonance or radio wave is only citing; the application type of other energy-transmission channel that are existing or that may occur from now on is as being applicable to the embodiment of the present invention; also within scope should being included in, and this is contained at this with way of reference.
Step S130, each wireless charging device give corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, and each wireless charging electric discharge device is to the cell electric energy transmitting be connected with it.
Energy conversion unit in wireless charging device converts electrical energy into the energy that described energy-transmission channel can be transmitted, Energy Transfer after conversion is given the energy transmitting element in described wireless charging device, the energy transmitting element in described wireless charging device by described energy-transmission channel by the Energy Transfer after conversion to the energy acceptance unit in described wireless charging electric discharge device;
Energy acceptance unit in wireless charging electric discharge device by the Energy Transfer that receives to the energy conversion unit in wireless charging electric discharge device, the power conversion received is electric energy by this energy conversion unit, by delivery of electrical energy to the energy transmitting element in wireless charging electric discharge device, the cell that the delivery of electrical energy received connects to wireless charging electric discharge device by this energy transmitting element.
Step S140, described BMS monitor by each wireless charging electric discharge device the electricity that each is in the cell of charged state respectively, when the electricity that one or more is in the cell of charged state is not less than the power threshold of setting, described BMS sends the charging ending request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
After described wireless charging administrative unit receives described charging ending request, charge corresponding relation according to the identification information-enquiry of described 1 or multiple cell, obtain described 1 or wireless charging device corresponding to multiple cell, wireless charging device to described correspondence sends the notification message stopping charging, after the wireless charging device of described correspondence receives described notification message, stop the wireless charging electric discharge device transmitting energy to correspondence.
According to above-mentioned handling process, when wireless charging device detects that battery modules needs to charge, if the number of wireless charging device is n, the number of the cel in battery modules is m, and all cel need charging.As n>m or n=m, electric energy transmitting terminal opens all n wireless charging device, the battery modules of electric energy receiving terminal opens all m wireless charging electric discharge device, each cell can a corresponding wireless charging device, this kind of state achieves the independent charging of each cell, and all cell of battery modules charge simultaneously, set up the corresponding relation data message of wireless charging device and cell, wireless charging electric discharge device simultaneously.
The charged states such as the dump energy of cell are detected by the BMS in battery modules, BMS is according to the dump energy of the cell of monitoring, after judging that the dump energy of cell is greater than the power threshold of setting, the charging ending request of above-mentioned cell is sent to electric energy transmitting terminal, after the wireless charging administrative unit of electric energy transmitting terminal receives described charging ending request, control to turn off wireless charging device corresponding to above-mentioned cell, do not occur when guaranteeing that each cell charges overcharging phenomenon.As n<m, BMS controls receiver module in batches to carry out charging to corresponding cell, until all cell charging complete charge requirement.
Embodiment two
This embodiment offers a kind of device electrokinetic cell being carried out to wireless charging, its specific implementation structure as shown in Figure 2, specifically can comprise: wireless charging electric discharge device 21, wireless charging device 22, battery management system BMS23 and wireless charging administrative unit 24;
Described wireless charging electric discharge device 21, for being connected with the battery unit cel in battery modules, a wireless charging electric discharge device respectively with one wireless charging electric discharge device is connected;
Described wireless charging device 22, for being arranged on electric energy transmitting terminal, energy-transmission channel is set up between 1 that chooses or multiple wireless charging device respectively and one wireless charging electric discharge device, each wireless charging device gives corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, and each wireless charging electric discharge device is to the cell electric energy transmitting be connected with it.
Further, at battery modules end, multiple wireless charging electric discharge device is set, each wireless charging device comprises energy conversion unit, energy transmitting element, energy-transmission channel set up unit, is connected by each battery unit cell respectively with one the wireless charging electric discharge device in battery modules.
Further, multiple wireless charging device is set in electric energy transmitting terminal, each wireless charging electric discharge device comprises energy conversion unit, energy acceptance unit, energy-transmission channel set up unit, energy transmitting element.
Further, described BMS, for being arranged in described battery modules, be connected with each wireless charging electric discharge device circuit respectively, be connected by cordless communication network with described wireless charging administrative unit, the dump energy of each cell is read respectively by each wireless charging electric discharge device, when the dump energy of 1 or multiple cell is less than the power threshold of setting, sent the charge request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
Described wireless charging administrative unit, for being arranged in electric energy transmitting terminal, be connected with each wireless charging device circuit respectively, after receiving described charge request, choose one or more wireless charging device, by each wireless charging device respectively with one cell correspondence, the charging corresponding relation between the mark of the wireless charging electric discharge device that the mark of storage wireless charging device and the mark of cell, cell connect.
Further, the energy-transmission channel in described wireless charging device sets up unit, for and correspondence wireless charging electric discharge device in energy-transmission channel set up the energy-transmission channel set up between unit based on electromagnetic induction, magnetic resonance or radio wave;
Energy conversion unit in described wireless charging device, for converting electrical energy into the energy that described energy-transmission channel can be transmitted, gives the energy transmitting element in described wireless charging device by the Energy Transfer after conversion;
Energy transmitting element in described wireless charging device, for giving the energy acceptance unit in described wireless charging electric discharge device by the Energy Transfer after conversion by described energy-transmission channel;
Energy acceptance unit in described wireless charging electric discharge device, for the Energy Transfer that will receive to the energy conversion unit in wireless charging electric discharge device;
Energy conversion unit in described wireless charging electric discharge device, the power conversion for receiving is electric energy, by delivery of electrical energy to the energy transmitting element in wireless charging electric discharge device;
Energy transmitting element in described wireless charging electric discharge device, the cell that the delivery of electrical energy for receiving connects to wireless charging electric discharge device.
Further, described BMS, for monitoring by each wireless charging electric discharge device the electricity that each is in the cell of charged state respectively, when the electricity that one or more is in the cell of charged state is not less than the power threshold of setting, sent the charging ending request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
Described wireless charging administrative unit, after receiving described charging ending request, charge corresponding relation according to the identification information-enquiry of described 1 or multiple cell, obtain described 1 or wireless charging device corresponding to multiple cell, the wireless charging device to described correspondence sends the notification message stopping charging;
The wireless charging device of described correspondence, after receiving described notification message, stops the wireless charging electric discharge device transmitting energy to correspondence.
Carry out carrying out the detailed process of wireless charging to electrokinetic cell with the device of the embodiment of the present invention and preceding method embodiment similar, repeat no more herein.
In sum, the embodiment of the present invention by arranging multiple wireless charging device in electric energy transmitting terminal, cell in battery modules is connected wireless charging electric discharge device respectively, wireless charging technology is applied in the Charge Management process of battery modules, achieve electric energy transmitting terminal to charge directly to the cell in battery modules, achieve cell and charge separately and can charge by many cell simultaneously.
The embodiment of the present invention in the charging process of each cell, can monitor the charge condition of each cell, stops the charging process of the cell of charging complete in time, prevents the appearance of overcharge phenomenon.In the charging process of cell, energy transmitting terminal controls whether to charge, and BMS does not need to carry out equilibrium treatment, reduces the energy loss of energy in balancing procedure.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device or system embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.Apparatus and system embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. electrokinetic cell is carried out to a method for wireless charging, it is characterized in that, comprising:
Be connected by each battery unit cell respectively with one wireless charging electric discharge device in battery modules, in electric energy transmitting terminal, arrange multiple wireless charging device, described method specifically comprises:
Choose 1 or multiple wireless charging device, energy-transmission channel is set up between 1 that chooses or multiple wireless charging device respectively and one wireless charging electric discharge device, each wireless charging device gives corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, and each wireless charging electric discharge device is to the cell electric energy transmitting be connected with it.
2. method of electrokinetic cell being carried out to wireless charging according to claim 1, it is characterized in that, described is connected each battery unit cell respectively with one the wireless charging electric discharge device in battery modules, arranges multiple wireless charging device, comprising in electric energy transmitting terminal:
At battery modules end, multiple wireless charging electric discharge device is set, each wireless charging device comprises energy conversion unit, energy transmitting element, energy-transmission channel set up unit, is connected by each battery unit cell respectively with one the wireless charging electric discharge device in battery modules;
Multiple wireless charging device is set in electric energy transmitting terminal, each wireless charging electric discharge device comprises energy conversion unit, energy acceptance unit, energy-transmission channel set up unit, energy transmitting element.
3. method of electrokinetic cell being carried out to wireless charging according to claim 1, is characterized in that, described chooses 1 or multiple wireless charging device comprises:
In described battery modules, BMS is set, described BMS is connected with each wireless charging electric discharge device circuit respectively, wireless charging administrative unit is set in electric energy transmitting terminal, described wireless charging administrative unit is connected with each wireless charging device circuit respectively, and described BMS is connected by cordless communication network with described wireless charging administrative unit;
Described BMS reads the dump energy of each cell respectively by each wireless charging electric discharge device, when the dump energy of 1 or multiple cell is less than the power threshold of setting, described BMS sends the charge request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
After described wireless charging administrative unit receives described charge request, choose one or more wireless charging device, by each wireless charging device respectively with one cell correspondence, the charging corresponding relation between the mark of the wireless charging electric discharge device that the mark of storage wireless charging device and the mark of cell, cell connect.
4. method of electrokinetic cell being carried out to wireless charging according to claim 3, it is characterized in that, energy-transmission channel is set up between described choose 1 or multiple wireless charging device respectively and one wireless charging electric discharge device, each wireless charging device gives corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, each wireless charging electric discharge device, to the cell electric energy transmitting be connected with it, comprising:
Energy-transmission channel in the wireless charging device energy-transmission channel set up in the wireless charging electric discharge device of unit and correspondence sets up the energy-transmission channel set up between unit based on electromagnetic induction, magnetic resonance or radio wave;
Energy conversion unit in wireless charging device converts electrical energy into the energy that described energy-transmission channel can be transmitted, Energy Transfer after conversion is given the energy transmitting element in described wireless charging device, the energy transmitting element in described wireless charging device by described energy-transmission channel by the Energy Transfer after conversion to the energy acceptance unit in described wireless charging electric discharge device;
Energy acceptance unit in wireless charging electric discharge device by the Energy Transfer that receives to the energy conversion unit in wireless charging electric discharge device, the power conversion received is electric energy by this energy conversion unit, by delivery of electrical energy to the energy transmitting element in wireless charging electric discharge device, the cell that the delivery of electrical energy received connects to wireless charging electric discharge device by this energy transmitting element.
5. the method for electrokinetic cell being carried out to wireless charging according to claim 3 or 4, is characterized in that, described method also comprises:
Described BMS monitors by each wireless charging electric discharge device the electricity that each is in the cell of charged state respectively, when the electricity that one or more is in the cell of charged state is not less than the power threshold of setting, described BMS sends the charging ending request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
After described wireless charging administrative unit receives described charging ending request, charge corresponding relation according to the identification information-enquiry of described 1 or multiple cell, obtain described 1 or wireless charging device corresponding to multiple cell, wireless charging device to described correspondence sends the notification message stopping charging, after the wireless charging device of described correspondence receives described notification message, stop the wireless charging electric discharge device transmitting energy to correspondence.
6. electrokinetic cell is carried out to a device for wireless charging, it is characterized in that, comprising: wireless charging electric discharge device and wireless charging device;
Described wireless charging electric discharge device, for being connected with the battery unit cel in battery modules, a wireless charging electric discharge device respectively with one wireless charging electric discharge device is connected;
Described wireless charging device, for being arranged on electric energy transmitting terminal, energy-transmission channel is set up between 1 that chooses or multiple wireless charging device respectively and one wireless charging electric discharge device, each wireless charging device gives corresponding wireless charging electric discharge device transmitting energy by described energy-transmission channel, and each wireless charging electric discharge device is to the cell electric energy transmitting be connected with it.
7. device electrokinetic cell being carried out to wireless charging according to claim 6, it is characterized in that, described is connected each battery unit cell respectively with one the wireless charging electric discharge device in battery modules, arranges multiple wireless charging device, comprising in electric energy transmitting terminal:
At battery modules end, multiple wireless charging electric discharge device is set, each wireless charging device comprises energy conversion unit, energy transmitting element, energy-transmission channel set up unit, is connected by each battery unit cell respectively with one the wireless charging electric discharge device in battery modules;
Multiple wireless charging device is set in electric energy transmitting terminal, each wireless charging electric discharge device comprises energy conversion unit, energy acceptance unit, energy-transmission channel set up unit, energy transmitting element.
8. device electrokinetic cell being carried out to wireless charging according to claim 7, is characterized in that, described device also comprises: battery management system BMS and wireless charging administrative unit,
Described BMS, for being arranged in described battery modules, be connected with each wireless charging electric discharge device circuit respectively, be connected by cordless communication network with described wireless charging administrative unit, the dump energy of each cell is read respectively by each wireless charging electric discharge device, when the dump energy of 1 or multiple cell is less than the power threshold of setting, sent the charge request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
Described wireless charging administrative unit, for being arranged in electric energy transmitting terminal, be connected with each wireless charging device circuit respectively, after receiving described charge request, choose one or more wireless charging device, by each wireless charging device respectively with one cell correspondence, the charging corresponding relation between the mark of the wireless charging electric discharge device that the mark of storage wireless charging device and the mark of cell, cell connect.
9. device electrokinetic cell being carried out to wireless charging according to claim 8, is characterized in that:
Energy-transmission channel in described wireless charging device sets up unit, for and correspondence wireless charging electric discharge device in energy-transmission channel set up the energy-transmission channel set up between unit based on electromagnetic induction, magnetic resonance or radio wave;
Energy conversion unit in described wireless charging device, for converting electrical energy into the energy that described energy-transmission channel can be transmitted, gives the energy transmitting element in described wireless charging device by the Energy Transfer after conversion;
Energy transmitting element in described wireless charging device, for giving the energy acceptance unit in described wireless charging electric discharge device by the Energy Transfer after conversion by described energy-transmission channel;
Energy acceptance unit in described wireless charging electric discharge device, for the Energy Transfer that will receive to the energy conversion unit in wireless charging electric discharge device;
Energy conversion unit in described wireless charging electric discharge device, the power conversion for receiving is electric energy, by delivery of electrical energy to the energy transmitting element in wireless charging electric discharge device;
Energy transmitting element in described wireless charging electric discharge device, the cell that the delivery of electrical energy for receiving connects to wireless charging electric discharge device.
10. device electrokinetic cell being carried out to wireless charging according to claim 8 or claim 9, is characterized in that:
Described BMS, for monitoring by each wireless charging electric discharge device the electricity that each is in the cell of charged state respectively, when the electricity that one or more is in the cell of charged state is not less than the power threshold of setting, sent the charging ending request of the identification information carrying described 1 or multiple cell to described wireless charging administrative unit by cordless communication network;
Described wireless charging administrative unit, after receiving described charging ending request, charge corresponding relation according to the identification information-enquiry of described 1 or multiple cell, obtain described 1 or wireless charging device corresponding to multiple cell, the wireless charging device to described correspondence sends the notification message stopping charging;
The wireless charging device of described correspondence, after receiving described notification message, stops the wireless charging electric discharge device transmitting energy to correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749063.7A CN104578254A (en) | 2014-12-09 | 2014-12-09 | Method and device for wireless charging of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749063.7A CN104578254A (en) | 2014-12-09 | 2014-12-09 | Method and device for wireless charging of power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104578254A true CN104578254A (en) | 2015-04-29 |
Family
ID=53093704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410749063.7A Pending CN104578254A (en) | 2014-12-09 | 2014-12-09 | Method and device for wireless charging of power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104578254A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467029A (en) * | 2015-08-21 | 2017-03-01 | 苏州宝时得电动工具有限公司 | Battery component, electric vehicle and power-supply system |
| CN106740122A (en) * | 2016-12-20 | 2017-05-31 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of electric automobile electric power system |
| CN106911174A (en) * | 2017-04-28 | 2017-06-30 | 中惠创智无线供电技术有限公司 | A kind of power-supply management system and method based on wireless power transmission |
| WO2018196321A1 (en) * | 2017-04-28 | 2018-11-01 | 中惠创智无线供电技术有限公司 | Large-power wireless charging system and control method therefor |
| CN110224474A (en) * | 2019-07-12 | 2019-09-10 | 重电智能科技扬州股份有限公司 | Photovoltaic cell system, street lamp and control method based on wireless equalization discharge |
| CN111063950A (en) * | 2019-11-01 | 2020-04-24 | 深圳市道通智能航空技术有限公司 | Charging method and charging system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402375A (en) * | 2002-04-04 | 2003-03-12 | 北京航空航天大学 | Method and device for automatic equilization of charge-and-dischage based on cell dynamic electricity different compensation |
| CN1705158A (en) * | 2004-05-26 | 2005-12-07 | 比亚迪股份有限公司 | Charging device and method |
| CN102957181A (en) * | 2011-08-31 | 2013-03-06 | 富达通科技股份有限公司 | Inductive charging method for vehicle |
| CN103208835A (en) * | 2013-03-20 | 2013-07-17 | 中国科学院电工研究所 | Battery management system with wireless charging |
| CN103795124A (en) * | 2014-02-19 | 2014-05-14 | 中达电通股份有限公司 | Control system for realizing parallel-connection circulating charging of multiple sets of lithium batteries and method thereof |
-
2014
- 2014-12-09 CN CN201410749063.7A patent/CN104578254A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402375A (en) * | 2002-04-04 | 2003-03-12 | 北京航空航天大学 | Method and device for automatic equilization of charge-and-dischage based on cell dynamic electricity different compensation |
| CN1705158A (en) * | 2004-05-26 | 2005-12-07 | 比亚迪股份有限公司 | Charging device and method |
| CN102957181A (en) * | 2011-08-31 | 2013-03-06 | 富达通科技股份有限公司 | Inductive charging method for vehicle |
| CN103208835A (en) * | 2013-03-20 | 2013-07-17 | 中国科学院电工研究所 | Battery management system with wireless charging |
| CN103795124A (en) * | 2014-02-19 | 2014-05-14 | 中达电通股份有限公司 | Control system for realizing parallel-connection circulating charging of multiple sets of lithium batteries and method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467029A (en) * | 2015-08-21 | 2017-03-01 | 苏州宝时得电动工具有限公司 | Battery component, electric vehicle and power-supply system |
| CN106740122A (en) * | 2016-12-20 | 2017-05-31 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of electric automobile electric power system |
| CN106911174A (en) * | 2017-04-28 | 2017-06-30 | 中惠创智无线供电技术有限公司 | A kind of power-supply management system and method based on wireless power transmission |
| WO2018196321A1 (en) * | 2017-04-28 | 2018-11-01 | 中惠创智无线供电技术有限公司 | Large-power wireless charging system and control method therefor |
| CN106911174B (en) * | 2017-04-28 | 2023-09-15 | 中惠创智（深圳）无线供电技术有限公司 | Power management system and method based on wireless power transmission |
| CN110224474A (en) * | 2019-07-12 | 2019-09-10 | 重电智能科技扬州股份有限公司 | Photovoltaic cell system, street lamp and control method based on wireless equalization discharge |
| CN111063950A (en) * | 2019-11-01 | 2020-04-24 | 深圳市道通智能航空技术有限公司 | Charging method and charging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104578254A (en) | Method and device for wireless charging of power battery | |
| KR101564365B1 (en) | System and method for balancing of battery using wireless communications | |
| CN104410131B (en) | A kind of vehicle-mounted mobile charging system and mobile charging control method thereof | |
| EP3648234A1 (en) | Wireless battery management apparatus and battery pack including same | |
| CN109466365A (en) | A kind of charging conversion method, device, system, computer equipment and storage medium | |
| US20170120758A1 (en) | V2x based wireless charging method and apparatus for vehicles | |
| CN103294045B (en) | Based on electric vehicle charging management system and the method for Bluetooth technology | |
| CN111095720B (en) | Charging method and charging device | |
| CN103023106B (en) | One-machine-and-multiple-charging electrombile charging system and method | |
| EP4057018A1 (en) | Method and device for determining short circuit in battery, and electronic device | |
| EP3934053A1 (en) | Power supply device, electronic apparatus, and power supply method | |
| CN103036280A (en) | Battery charger capable of charging multiple electric vehicles and charging method thereof | |
| CN106849237A (en) | Flexible charge control system and method, flexible charging system | |
| CN107579553B (en) | Charging control method and device of battery management system | |
| CN102780249A (en) | Method for rapidly charging electric automobile by utilizing supercapacitor | |
| CN109291829A (en) | A kind of charge control method, a kind of electric car and its charging system | |
| CN103795124A (en) | Control system for realizing parallel-connection circulating charging of multiple sets of lithium batteries and method thereof | |
| CN205453231U (en) | Electric automobile fills electronic control system based on CAN bus | |
| CN111953034A (en) | Battery equalization method and battery equalization equipment | |
| CN103023105B (en) | Electric motor car charging system with standby switching and charging method | |
| CN106814326A (en) | Battery bag charging-discharge tester system | |
| CN105471044A (en) | Method and device for controlling charging system | |
| CN204030688U (en) | A kind of vehicle mounted battery management system | |
| CN104158266A (en) | Vehicle-mounted battery managing system | |
| CN207257403U (en) | A kind of intelligent charge system for prompting based on monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
|
| RJ01 | Rejection of invention patent application after publication |