CN115377537A - Battery pack integrated wireless charging module system, structure and method - Google Patents

Battery pack integrated wireless charging module system, structure and method Download PDF

Info

Publication number
CN115377537A
CN115377537A CN202211054577.1A CN202211054577A CN115377537A CN 115377537 A CN115377537 A CN 115377537A CN 202211054577 A CN202211054577 A CN 202211054577A CN 115377537 A CN115377537 A CN 115377537A
Authority
CN
China
Prior art keywords
wireless charging
liquid
charging module
module
liquid cooling
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
Application number
CN202211054577.1A
Other languages
Chinese (zh)
Inventor
宋瀚
史婷婷
熊欣
周松涛
余珩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Motor Group Co Ltd
Original Assignee
Dongfeng Motor Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongfeng Motor Group Co Ltd filed Critical Dongfeng Motor Group Co Ltd
Priority to CN202211054577.1A priority Critical patent/CN115377537A/en
Publication of CN115377537A publication Critical patent/CN115377537A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a battery pack integrated wireless charging module system, a battery pack integrated wireless charging module structure and a battery pack integrated wireless charging module method. The system comprises a plurality of battery modules, a liquid cooling system and a wireless charging module, wherein the liquid cooling system comprises a liquid inlet, a liquid outlet, a plurality of liquid cooling units and pipelines, the liquid cooling units comprise first liquid cooling units which respectively perform heat exchange with each battery module and second liquid cooling units which perform heat exchange with the wireless charging module, the liquid inlet is communicated with the liquid inlet end of each second liquid cooling unit, the liquid outlet end of each second liquid cooling unit is communicated with the liquid inlet end of each first liquid cooling unit, and the liquid outlet end of each first liquid cooling unit is communicated with the liquid outlet. The cooling pipeline and the battery pack cooling pipeline of the wireless charging module are integrated, the cooling structure design of the wireless charging module is simplified, the wireless charging module is cooled preferentially when the wireless charging module is charged, the normal work of a liquid cooling system is not influenced when the wireless charging module is not charged, the integrated design is reasonable, the arrangement is simple, and the space in the vehicle is further saved.

Description

Battery pack integrated wireless charging module system, structure and method
Technical Field
The invention relates to the technical field of vehicle charging, in particular to a battery pack integrated wireless charging module system, a battery pack integrated wireless charging module structure and a battery pack integrated wireless charging module method.
Background
The wireless charging of electric automobile is undoubtedly the most convenient mode of charging, and this kind of charging technique can be with wireless mode with installing in the electric energy transmission of subaerial charging panel installs the electric power receiving board in the vehicle bottom, has saved this step of driver connecting cable, does not have exposed connector, thoroughly avoids potential safety hazards such as electric leakage, race electricity. The receiving arrangement of present wireless charging vehicle bottom mainly is coil isotructure, mostly sets up separately with the battery package, because receiving arrangement can produce great heat in charging process, consequently need arrange corresponding heat radiation structure, guarantees that the safety and stability who charges goes on, occupies like this and can account for in the car great space, circuit, tube coupling are complicated moreover.
Disclosure of Invention
The invention aims to solve the technical problem of providing a battery pack integrated wireless charging module system, a battery pack integrated wireless charging module structure and a battery pack integrated wireless charging module method, and reducing complex external connection of a wireless charging module wire harness and a cooling water pipe.
In order to solve the technical problems, the invention provides a battery pack integrated wireless charging module system which comprises a plurality of battery modules, a liquid cooling system and a wireless charging module, wherein the liquid cooling system comprises a liquid inlet, a liquid outlet, a plurality of liquid cooling units and pipelines, each liquid cooling unit comprises a first liquid cooling unit and a second liquid cooling unit, the first liquid cooling unit and the second liquid cooling unit are respectively in heat exchange with the battery modules, the liquid inlet is communicated with the liquid inlet end of the second liquid cooling unit, the liquid outlet end of the second liquid cooling unit is respectively communicated with the liquid inlet end of each first liquid cooling unit, and the liquid outlet end of each first liquid cooling unit is communicated with the liquid outlet.
In the above-mentioned wireless charging module system of battery package integration, through with the second liquid cooling unit series connection on the wireless charging module insert the liquid cooling system of battery package, during the charging, can utilize the liquid cooling system of battery package itself to carry out cooling to the wireless charging module, realize the cooling pipeline and the battery package cooling pipeline integration with the wireless charging module, simplify wireless charging module's cooling structure design greatly. In addition, the second liquid cooling unit is arranged at the position connected with the liquid inlet, namely on a main pipeline of a liquid cooling system of the battery pack, so that the heat of the wireless charging module is taken away by cooling liquid entering the battery pack by the liquid cooling system preferentially, and then the heat of each battery module is taken away by shunting one by one, thereby ensuring that the wireless charging module is fully radiated, works stably and charges quickly during charging; when not charging, need not other switching operation moreover, the liquid cooling system can be normal dispel the heat to each battery module in the battery package, does not receive the influence of second liquid cooling unit, and is integrated reasonable, and simple structure further simplifies wireless charging module's integrated design, saves the interior space of car.
Preferably, the wireless charging module is provided with a plurality of discharging ports, the discharging ports are electrically connected with the charging input ends of the battery modules respectively, and the battery modules are charged in parallel during charging.
The improved wireless charging module system for the battery pack comprises a controller, wherein each battery module is provided with a first temperature sensor, an input end pipeline of each first liquid cooling unit is provided with a first electromagnetic proportional valve, the first temperature sensor and the first electromagnetic proportional valve are electrically connected with the controller, and the controller is used for receiving temperature information, corresponding to the battery module, transmitted by each first temperature sensor and controlling the opening proportion of each first electromagnetic proportional valve according to the temperature information of each battery module.
Because when charging, each module difference can appear, monitor the temperature of each battery module when charging through the controller, and according to the first electromagnetic proportional valve aperture that real-time temperature control of each battery module corresponds, and then change and carry out refrigerated coolant liquid unit time flow to each battery module, accelerate the battery module rate of heat dissipation to the temperature is higher, reduce the rate of heat dissipation of the battery module that the temperature is lower, adapt to the temperature condition of current each battery module, in order to reach the cooling effect of preferred.
Further, when utilizing wireless charging module to charge each battery module, the controller control each the opening proportion of first electromagnetism proportional valve includes:
when the temperature of the battery module is higher than a maximum temperature threshold value, controlling the opening proportion of the corresponding first electromagnetic proportional valve to be 100%;
when the temperature of the battery module is between the highest temperature threshold and the lowest temperature threshold, controlling the opening proportion of the corresponding first electromagnetic proportional valve to be 80%;
when the temperature of the battery module is lower than the lowest temperature threshold value, controlling the opening proportion of the corresponding first electromagnetic proportional valve to be 50%.
Be 50%, 80% and 100% three gradient value through the proportion setting of opening with first electromagnetism proportional valve, correspond the real-time temperature that is suitable for different battery module respectively, the holistic radiating efficiency of battery package is improved to the heat-sinking capability of reasonable partition liquid cooling system.
Preferably, when charging is finished, the opening degree of each first electromagnetic proportional valve is fully restored to 100%, and when the work of the battery pack is not affected, the liquid cooling system dissipates heat of the battery module.
In order to solve the technical problem, the invention provides a structure of a battery pack integrated wireless charging module system, which comprises a box body, wherein the inner cavity of the box body is provided with a double-layer structure for placing the battery module, a containing space is reserved between the battery module at the bottom layer and the box body and used for placing the wireless charging module and the controller, and the liquid inlet and the liquid outlet are both arranged on the side wall of the box body.
Through in the box with wireless charging module integration to battery package, realize with the structural integration of wireless charging module and battery package, reduced the problem of arranging that the branch piece brought, reduced fixedly, reduced the external of pencil, water pipe.
As an improvement of the structure of the battery pack integrated wireless charging module, the accommodating space is also internally provided with a moving mechanism and a positioner, the positioner is used for determining the position of an external charging seat, and the moving mechanism is used for moving the wireless charging module to be aligned with the charging seat. The fine adjustment of the position of the wireless charging module in the battery pack is realized through the positioner and the moving mechanism, so that the position deviation of the wireless charging module and the bottom charging seat on the vehicle is compensated during actual use.
Preferably, the connecting pipeline and the wiring of the wireless charging module have telescopic allowance so as to meet the mobile requirement of the wireless charging module.
The battery pack integrated wireless charging module structure further comprises a heat exchanger and a circulating pump which are arranged outside the box body, wherein the liquid outlet end of the circulating pump is communicated with the liquid inlet, the liquid inlet end of the heat exchanger is communicated with the liquid outlet, and the liquid outlet end of the heat exchanger is communicated with the liquid inlet end of the circulating pump. The cooling liquid is circulated through the heat exchanger and the circulating pump outside the battery pack box body, and low-temperature cooling liquid is continuously provided for the battery pack.
In order to solve the above technical problem, the present invention provides a method for integrating a wireless charging module structure based on the above battery pack, comprising the following steps:
the method comprises the following steps: arranging the wireless charging module in the box body;
step two: arranging a pipeline in the box body, communicating a liquid inlet end of the second liquid cooling unit of the charging module with the liquid inlet, communicating a liquid outlet end of the second liquid cooling unit with the liquid inlet end of each first liquid cooling unit respectively, and communicating a liquid outlet end of each first liquid cooling unit with the liquid outlet;
step three: and the discharge port of the wireless charging module is electrically connected with each battery module respectively.
In the method for integrating the wireless charging module into the battery pack, the wireless charging module is integrated into the battery pack box body, the cooling structure of the wireless charging module is connected with the main pipeline of the liquid cooling system in the battery pack in series, the cooling water paths of the independent battery modules are connected in parallel, the wireless charging module is enabled to charge the independent battery modules in the battery pack, the liquid cooling system of the battery pack cools the wireless charging module and the battery modules simultaneously, the integration level is high, the connection of the cooling pipeline and a wire harness is reduced, and the space in a vehicle is saved. ,
further, the method also comprises the fourth step of: equally divide on each the battery module and do not set up first temperature sensor, equally divide on each the input end pipeline of first liquid cooling unit does not set up first electromagnetism proportional valve, will first temperature sensor with first electromagnetism proportional valve all with controller electric connection. When realizing charging through the controller, the temperature monitoring of each battery module to through the distribution of first electromagnetism proportional valve rational planning liquid cooling system refrigerating capacity, make wireless charging process stable, safe going on.
In conclusion, by adopting the system, the structure and the method for integrating the wireless charging module with the battery pack, the wireless charging module and the battery pack are integrated, so that the arrangement problem caused by component separation is reduced, the vehicle space is saved by internal integration, the wireless charging module is protected, and better platform formation is facilitated; the cooling water path of the wireless charging module and the battery pack liquid cooling system are integrated, so that the external connection of wire harnesses and water pipes is reduced, and the integrated structure is further optimized.
Drawings
In the drawings:
fig. 1 is a liquid cooling pipeline structure diagram of the battery pack integrated wireless charging module system according to the present invention.
Fig. 2 is a circuit connection structure diagram of the battery pack integrated wireless charging module system according to the present invention.
Fig. 3 is a schematic diagram of a structure of a wireless charging module integrated with a battery pack according to the present invention.
Fig. 4 is another perspective view of the wireless charging module structure integrated with a battery pack according to the present invention.
FIG. 5 is a schematic diagram of a guide rail of a battery pack integrated wireless charging module structure according to the present invention
In the figure, 1, a battery module; 2. a wireless charging module; 31. a liquid inlet; 32. a liquid outlet; 33. a first liquid cooling unit; 34. a second liquid cooling unit; 4. a controller; 51. a first temperature sensor; 52. a second temperature sensor; 61. a first electromagnetic proportional valve; 7. a box body; 71. an accommodating space; 72. a guide rail; 81. a heat exchanger; 82. and a circulating pump.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 and fig. 2, the wireless charging module system integrated with a battery pack of the present invention includes a plurality of battery modules 1, a liquid cooling system and a wireless charging module 2, wherein the liquid cooling system includes a liquid inlet 31, a liquid outlet 32, a plurality of liquid cooling units and pipelines, each of the liquid cooling units includes a first liquid cooling unit 33 for exchanging heat with each of the battery modules 1, and a second liquid cooling unit 34 for exchanging heat with the wireless charging module 2, the liquid inlet 31 is communicated with a liquid inlet of the second liquid cooling unit 34, a liquid outlet of the second liquid cooling unit 34 is communicated with a liquid inlet of each of the first liquid cooling units 33, and a liquid outlet of each of the first liquid cooling units 33 is communicated with the liquid outlet 32. Optionally, the wireless charging module 2 is provided with a plurality of discharging ports, which are electrically connected to the charging input terminals of the battery modules 1, and the battery modules 1 are charged in parallel.
During the use, second liquid cooling unit 34 carries out the heat exchange with wireless module 2 that charges, and second liquid cooling unit 34 establishes ties and inserts on the liquid cooling system main line of electromagnetism package, when utilizing wireless module 2 that charges to charge, inlet 31 constantly flows into cryogenic cooling liquid, cool off wireless module 2 that charges earlier, it is sure to cool off each battery module 1 shunting, when guaranteeing to charge the battery package, wireless module 2 that charges all has suitable temperature, realize cooling structure's integration, optimize wireless module 2 that charges's cooling line design, save the interior space of car.
As shown in fig. 2, the system further includes a controller 4, each battery module 1 is provided with a first temperature sensor 51, each input pipeline of each first liquid cooling unit 33 is provided with a first electromagnetic proportional valve 61, each first temperature sensor 51 and each first electromagnetic proportional valve 61 are electrically connected to the controller 4, and the controller 4 is configured to receive temperature information of the corresponding battery module 1 transmitted by each first temperature sensor 51 during charging and control the opening ratio of each first electromagnetic proportional valve 61 according to the temperature information of each battery module 1.
Because when charging, each battery module 1 may appear the difference, for example charge rate is different etc, utilize first temperature sensor 51 to monitor each battery module 1's temperature, and controller 4 controls the corresponding first electromagnetism proportional valve 61 aperture according to each battery module 1's real-time temperature, and then change and carry out refrigerated coolant liquid unit time flow to each battery module 1, accelerate the heat dissipation rate to the battery module 1 that the temperature is higher, reduce the heat dissipation rate of the battery module 1 that the temperature is lower, adapt to the current temperature condition of each battery module 1, in order to reach the cooling effect of preferred.
Alternatively, the controlling of the opening ratio of each first electromagnetic proportional valve 61 by the controller 4 includes:
when the temperature of the battery module 1 is higher than the highest temperature threshold, controlling the opening ratio of the corresponding first electromagnetic proportional valve 61 to be 100%;
when the temperature of the battery module 1 is between the highest temperature threshold and the lowest temperature threshold, controlling the opening proportion of the corresponding first electromagnetic proportional valve 61 to be 80%;
when the temperature of the battery module 1 is lower than the minimum temperature threshold value, the opening ratio of the corresponding first electromagnetic proportional valve 61 is controlled to be 50%.
The highest temperature threshold value and the lowest temperature threshold value can be obtained through calibration of a specific battery pack, the opening proportion of the first electromagnetic proportional valve 61 is set to be three gradient values of 50%, 80% and 100%, the three gradient values correspond to real-time temperatures applicable to different battery modules 1 respectively, the heat dissipation capacity of the liquid cooling system is divided reasonably, and the overall heat dissipation efficiency of the battery pack is improved.
Optionally, a second temperature sensor 52 is disposed on the wireless charging module 2, and the controller 4 is further configured to monitor the temperature of the wireless charging module 2 through the second temperature sensor 52, and control the wireless charging module 2 to stop charging when the temperature of the wireless charging module 2 exceeds a set value. During charging, the temperature of the wireless charging module 2 is also synchronously monitored, so that the condition of overhigh temperature is avoided.
As shown in fig. 3 and fig. 4, the structure of the battery pack integrated wireless charging module system according to the present invention includes a box 7, a double-layer structure for placing the battery module 1 is provided in an inner cavity of the box 7, an accommodating space 71 is reserved between the battery module 1 at the bottom layer and the box 7, the accommodating space 71 is used for placing the wireless charging module 2 and the controller 4, and both the liquid inlet 31 and the liquid outlet 32 are disposed on a side wall of the box 7.
Optionally, the structure further includes a heat exchanger 81 and a circulating pump 82 disposed outside the tank 7, a liquid outlet end of the circulating pump 82 is communicated with the liquid inlet 31, a liquid inlet end of the heat exchanger 81 is communicated with the liquid outlet 32, and a liquid outlet end of the heat exchanger 81 is communicated with a liquid inlet end of the circulating pump 82.
Not only with wireless charging module 2's cooling structure and battery package integration, utilize the outside circulation system of battery package to cool off, simplify structural design, with wireless charging module 2 integrated to the box 7 of battery package in addition, realize the structural integration with wireless charging module 2 and battery package, reduced the problem of arranging that the branch piece brought, reduced fixedly, reduced the external of pencil, water pipe.
As shown in fig. 5, a moving mechanism and a locator are further disposed in the accommodating space 71, the locator is used for determining the position of the external charging seat, and the moving mechanism is used for moving the wireless charging module 2 to align with the charging seat. Optionally, wireless charging module 2's connecting line all has scalable surplus with the wiring to satisfy wireless charging module 2's removal demand, wireless charging module 2's position is adjustable, when remedying the in-service use, wireless charging module 2 and the positional deviation of bottom surface charging seat on the car. The moving mechanism can adopt a plane moving device consisting of a guide rail 72, a gear rack and a driving motor.
The invention discloses a method for integrating a wireless charging module structure based on a battery pack, which comprises the following steps:
step S10: the wireless charging module 2 is arranged inside the box body 7, and the structure is integrated.
Step S20: the pipeline is arranged in the box body 7, the liquid inlet end of the second liquid cooling unit 34 of the wireless charging module 2 is communicated with the liquid inlet 31, the liquid outlet end of the second liquid cooling unit 34 is communicated with the liquid inlet end of each first liquid cooling unit 33, the liquid outlet end of each first liquid cooling unit 33 is communicated with the liquid outlet 32, and the integration of the cooling pipeline is realized.
Step S30: the discharge ports of the wireless charging modules 2 are electrically connected with the battery modules 1 respectively, and the battery modules 1 are charged in parallel through circuit connection.
Step S40: set up first temperature sensor 51 on each battery module 1 respectively, set up first electromagnetism proportional valve 61 on the input end pipeline of each first liquid cooling unit 33 respectively, all with controller 4 electric connection with first temperature sensor 51 and first electromagnetism proportional valve 61.
Alternatively, the controlling of the opening ratio of each first electromagnetic proportional valve 61 by the controller 4 includes:
when the temperature of the battery module 1 is higher than the highest temperature threshold, controlling the opening ratio of the corresponding first electromagnetic proportional valve 61 to be 100%;
when the temperature of the battery module 1 is between the highest temperature threshold and the lowest temperature threshold, controlling the opening proportion of the corresponding first electromagnetic proportional valve 61 to be 80%;
when the temperature of the battery module 1 is lower than the minimum temperature threshold value, the opening ratio of the corresponding first electromagnetic proportional valve 61 is controlled to be 50%.
The temperature of the battery module 1 is monitored when the controller 4 is used for charging, and the opening degree of the first electromagnetic proportional valve 61 is controlled, so that the cold cut amount of the liquid cooling system is reasonably distributed according to the actual temperature of each battery module 1.
Step S50: the wireless charging module 2 is provided with a second temperature sensor 52, and the second temperature sensor 52 is electrically connected with the controller 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: after reading this disclosure, those skilled in the art will be able to make various changes, modifications and equivalents to the embodiments of the invention, which fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a wireless module system that charges of battery package integration, its characterized in that includes a plurality of battery module (1), liquid cooling system and wireless module (2) of charging, the liquid cooling system includes inlet (31), liquid outlet (32), a plurality of liquid cooling unit and pipeline, the liquid cooling unit include with each battery module (1) carry out heat exchange respectively first liquid cooling unit (33) and with wireless module (2) of charging carries out heat exchange's second liquid cooling unit (34), inlet (31) with the liquid inlet end intercommunication of second liquid cooling unit (34), the liquid outlet end of second liquid cooling unit (34) respectively with each the liquid inlet end intercommunication of first liquid cooling unit (33), each the liquid outlet end of first liquid cooling unit (33) all with liquid outlet (32) intercommunication.
2. The system of claim 1, further comprising a controller (4), wherein each of the battery modules (1) is provided with a first temperature sensor (51), an input pipeline of each of the first liquid cooling units (33) is provided with a first electromagnetic proportional valve (61), the first temperature sensor (51) and the first electromagnetic proportional valve (61) are electrically connected to the controller (4), and the controller (4) is configured to receive temperature information, transmitted by each of the first temperature sensors (51), corresponding to the battery module (1) during charging, and control an opening ratio of each of the first electromagnetic proportional valves (61) according to the temperature information of each of the battery modules (1).
3. The system as claimed in claim 2, wherein a second temperature sensor (52) is disposed on the wireless charging module (2), and the controller (4) is further configured to monitor the temperature of the wireless charging module (2) through the second temperature sensor (52), and control to stop charging when the temperature of the wireless charging module (2) exceeds a set value.
4. The battery pack integrated wireless charging module system according to claim 2, wherein the controller (4) controlling the opening ratio of each of the first electromagnetic proportional valves (61) comprises:
when the temperature of the battery module (1) is higher than a maximum temperature threshold, controlling the opening proportion of the corresponding first electromagnetic proportional valve (61) to be 100%;
when the temperature of the battery module (1) is between a highest temperature threshold and a lowest temperature threshold, controlling the opening proportion of the corresponding first electromagnetic proportional valve (61) to be 80%;
when the temperature of the battery module (1) is lower than a minimum temperature threshold value, controlling the opening proportion of the corresponding first electromagnetic proportional valve (61) to be 50%.
5. A battery pack integrated wireless charging module structure based on the battery pack integrated wireless charging module system according to any one of claims 2-4, comprising a box body (7), wherein the inner cavity of the box body (7) has a double-layer structure for placing the battery module (1), a receiving space (71) is reserved between the battery module (1) and the box body (7) at the bottom layer, the receiving space (71) is used for placing the wireless charging module (2) and the controller (4), and the liquid inlet (31) and the liquid outlet (32) are both disposed on the side wall of the box body (7).
6. The structure of claim 5, wherein a moving mechanism and a positioner are further disposed in the receiving space (71), the positioner is used to determine the position of an external charging seat, and the moving mechanism is used to move the wireless charging module (2) to align with the charging seat.
7. The system as claimed in claim 5, further comprising a heat exchanger (81) and a circulation pump (82) disposed outside the housing (7), wherein a liquid outlet of the circulation pump (82) is connected to the liquid inlet (31), a liquid inlet of the heat exchanger (81) is connected to the liquid outlet (32), and a liquid outlet of the heat exchanger (81) is connected to the liquid inlet of the circulation pump (82).
8. A battery pack integrated wireless charging module method based on the battery pack integrated wireless charging module structure of claim 5, characterized by comprising the following steps:
the method comprises the following steps: arranging the wireless charging module (2) inside the box body (7);
step two: arranging a pipeline in the box body (7), communicating a liquid inlet end of the second liquid cooling unit (34) of the wireless charging module (2) with the liquid inlet (31), communicating a liquid outlet end of the second liquid cooling unit (34) with a liquid inlet end of each first liquid cooling unit (33), and communicating a liquid outlet end of each first liquid cooling unit (33) with the liquid outlet (32);
step three: and the discharge port of the wireless charging module (2) is electrically connected with each battery module (1) respectively.
9. The method of claim 8, further comprising:
step four: at each it respectively sets up to divide equally on battery module (1) first temperature sensor (51), at each it respectively sets up to divide equally on the input end pipeline of first liquid cooling unit (33) first electromagnetism proportional valve (61), will first temperature sensor (51) with first electromagnetism proportional valve (61) all with controller (4) electric connection.
10. The method of claim 8, further comprising:
step five: the second temperature sensor (52) is arranged on the wireless charging module (2), and the second temperature sensor (52) is electrically connected with the controller (4).
CN202211054577.1A 2022-08-31 2022-08-31 Battery pack integrated wireless charging module system, structure and method Pending CN115377537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211054577.1A CN115377537A (en) 2022-08-31 2022-08-31 Battery pack integrated wireless charging module system, structure and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211054577.1A CN115377537A (en) 2022-08-31 2022-08-31 Battery pack integrated wireless charging module system, structure and method

Publications (1)

Publication Number Publication Date
CN115377537A true CN115377537A (en) 2022-11-22

Family

ID=84069684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211054577.1A Pending CN115377537A (en) 2022-08-31 2022-08-31 Battery pack integrated wireless charging module system, structure and method

Country Status (1)

Country Link
CN (1) CN115377537A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115871482A (en) * 2023-02-03 2023-03-31 威泊(上海)新能源科技股份有限公司 Wireless battery pack system and method supporting mobile charging of new energy automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115871482A (en) * 2023-02-03 2023-03-31 威泊(上海)新能源科技股份有限公司 Wireless battery pack system and method supporting mobile charging of new energy automobile
CN115871482B (en) * 2023-02-03 2023-05-16 威泊(上海)新能源科技股份有限公司 Wireless battery pack system and method supporting mobile charging of new energy automobile

Similar Documents

Publication Publication Date Title
US11180044B2 (en) Electric vehicle cooling system
US11214114B2 (en) Electric vehicle thermal management system
CN107554235B (en) Battery coolant loop control
CN107565189B (en) Battery coolant loop control
US20170232865A1 (en) Thermal Management System for Fast Charge Battery Electric Vehicle
EP2508379B1 (en) Cooling system for electric vehicle
US20180222286A1 (en) Method to heat the cabin while cooling the battery during fast charge
JP2021524226A (en) Electric vehicle charging system
CN106335388A (en) Preconditioning an Electric Vehicle
CN106335387A (en) Preconditioning an Electric Vehicle
CN101885313B (en) Thermal management system of electric automobile
US20190221899A1 (en) Predictive battery thermal management system
WO2012006792A1 (en) Electric automobile thermal management system
CN115377537A (en) Battery pack integrated wireless charging module system, structure and method
CN112740461B (en) Heat storage device, heat exchange device, control method, control member, and thermal management system
CN110350256A (en) Temperature adjustable type current diverter for electrified vehicle battery packs
CN114506248A (en) Traction battery thermal management
US7469759B2 (en) Layout of an electrical power system provided with a fuel cell in an electric vehicle
CN116345008B (en) High energy density battery box
JP7507538B2 (en) Vehicle and battery pack
CN112277572A (en) Cabin air conditioning system for vehicle and method of controlling the vehicle and system
JP2022505576A (en) Electric or hybrid vehicle with a cooling system to cool the removable battery module
CN215735541U (en) Airborne liquid cooling heat transfer device
CN113085591A (en) Hydrogen power system for railway vehicle and railway vehicle
CN114312484B (en) Thermal management device, thermal management system and new energy automobile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination