CN112421147A - Heat collecting and dissipating integrated power battery pack heat management system device - Google Patents

Heat collecting and dissipating integrated power battery pack heat management system device Download PDF

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Publication number
CN112421147A
CN112421147A CN202011328028.XA CN202011328028A CN112421147A CN 112421147 A CN112421147 A CN 112421147A CN 202011328028 A CN202011328028 A CN 202011328028A CN 112421147 A CN112421147 A CN 112421147A
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China
Prior art keywords
heating
cold plate
battery pack
integrated
power battery
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CN202011328028.XA
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Chinese (zh)
Inventor
吕又付
肖俊兵
李传常
陈荐
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Priority to CN202011328028.XA priority Critical patent/CN112421147A/en
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    • 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
    • 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
    • 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
    • B60L58/27—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 heating
    • 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
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • H01M10/63—Control systems
    • H01M10/635—Control systems based on ambient temperature
    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571—Resistive heaters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • 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

Abstract

The invention discloses a heat collecting and dissipating integrated power battery pack heat management system device which comprises a power battery pack, an integrated cold plate, a valve regulator, a water inlet pipeline, a water outlet pipeline, a temperature monitoring system and a heating controller, wherein the power battery pack is formed by arranging a plurality of square or soft-package power batteries, the integrated cold plate integrates a micro-channel cold plate and a heating film and is clamped between the power batteries, the valve regulator is arranged on the water inlet pipeline, and the temperature monitoring system collects the temperature of the power batteries through a temperature sensor and is connected with the valve regulator and the heating controller to control the working mode of the power battery pack. According to the invention, the functions of rapid heat dissipation at high temperature and heating at low temperature can be realized, and the cooling system and the heating system adopt a highly integrated cold plate design, so that the space utilization rate of the electric pile of the electric automobile is favorably improved, and the endurance mileage of the electric automobile is prolonged.

Description

Heat collecting and dissipating integrated power battery pack heat management system device
Technical Field
The invention belongs to the technical field of automobile battery thermal management, and particularly relates to a heat-collecting and heat-radiating integrated power battery pack thermal management system device.
Background
The new energy electric automobile is taken as one of the technologies of the national vigorous development in recent years, is regarded as the best scheme for replacing the traditional fuel automobile, is expected to realize the curve overtaking in the automobile manufacturing field in China, and leads the electric automobile in the world to develop rapidly. The power of the new energy electric automobile comes from a vehicle-mounted power lithium ion battery stack, however, the lithium battery is sensitive to the external environment, particularly, a series of performance attenuation and life accelerated aging are induced under the influence of high and low temperature, and a serious safety accident of thermal runaway deflagration can be caused even more seriously. Therefore, it is particularly important to design a set of efficient and safe thermal management system for the power battery pack.
At present, there are many thermal management system schemes related to power battery pack design, but the design of the general thermal management system is limited to the heat dissipation design, and the system structure is bulky, which is not favorable for efficient utilization of the space of the vehicle-mounted battery stack, for example, patents CN201610154183.1 and CN 201310244876.6. In addition, in the scheme related to low-temperature heating and heat preservation of the battery pack, the existing electric heating wire group heating, air heating and battery self-short circuit heating are adopted, and in the scheme, not only the heating efficiency is low, but also serious potential risk accidents exist to cause electric short circuit and uneven heating, such as patents CN201410700453.5 and CN 201610388430.4.
Disclosure of Invention
In order to overcome the defects, the invention discloses a heat-collecting and heat-heating integrated power battery pack heat management system device which can effectively solve the problem of independent design of the heat dissipation and heating systems of the conventional heat management system, and the battery pack is more compactly assembled and more uniformly heated through an integrated integration technology, so that the utilization efficiency of a limited space is improved, the endurance mileage of an electric vehicle is prolonged, and the battery is ensured to always work in a proper temperature range in a severe environment.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a heat collecting and radiating integrated power battery pack heat management system device is characterized by comprising a power battery pack, an integrated cold plate, a valve regulator, a water inlet pipeline, a water outlet pipeline, a temperature monitoring system and a heating controller, wherein the power battery pack is formed by arranging a plurality of soft bags or square power batteries, the integrated cold plate integrates a micro-channel cold plate and a heating film, the heating film is arranged between two micro-channel cold plates, the integrated cold plate is clamped between every two power batteries, the valve regulator is arranged on the water inlet pipeline, the water inlet pipeline is connected with a water inlet of the integrated cold plate, the water outlet pipeline is connected with a water outlet of the integrated cold plate, the temperature monitoring system is formed by a temperature sensor and a processing chip, an external circuit of the temperature monitoring system is connected with the valve regulator and the heating controller, the heating controller is in circuit connection with the heating film.
Furthermore, the integrated cold plate is formed by integrating two micro-channel cold plates and a heating film, the thickness of the micro-channel cold plate is 3-5mm, and the material is preferably aluminum/aluminum alloy/copper alloy and the like; the heating film is arranged between the two micro-channel cold plates, the thickness of the heating film is 0.2-0.5mm, and the cold plate integrating heat dissipation and heating is formed.
Furthermore, the micro-channel cold plate flow channel adopts a novel inner-outer expanding type flow guide channel design, and preferably adopts an inner-ring type or an inner-return type or an inner-U type or an inner-fork type.
Furthermore, the heating film is preferably a metal heating sheet or a polyimide heating film or a nano rare earth heating film or a heating wire, and the heating film structure adopts an I-shaped or snake-shaped loop.
Furthermore, the valve regulator is arranged on the water inlet pipeline and used for regulating the opening and the flow of cooling liquid in the water inlet pipeline, and an external circuit of the valve regulator is connected with the temperature monitoring system and used for regulating the opening and the opening degree of the valve through a temperature signal instruction.
Furthermore, the water inlet pipeline is connected with the water inlet of the integrated cold plate, the water outlet pipeline comprises a first water outlet pipeline and a second water outlet pipeline, and the first water outlet pipeline and the second water outlet pipeline are respectively connected with the water outlet of the integrated cold plate.
Further, the heating controller is connected with the heating film for controlling the working mode of the heating film, and is connected with an external circuit of the temperature monitoring system for modulating the heating mode through a temperature signal.
The implementation of the invention can solve the problems of high-temperature heat dissipation, temperature control, low-temperature preheating and heat preservation of the power battery pack of the electric automobile, and the battery pack has more compact structure and high temperature distribution consistency through the integrated integration technology, effectively improves the space utilization rate and indirectly increases the endurance mileage of the electric automobile.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a schematic view of an integrated cold plate assembly
FIG. 3 is a schematic view of a microchannel cold plate
FIG. 4 is a schematic view of a heating film structure
FIG. 5 is a flow chart of the working principle of the combination of the temperature monitoring system, the valve regulator and the heating controller
In the figure: a power battery pack (1); an integrated cold plate (2); a microchannel cold plate (201); a heating film (202); a valve regulator (3); a water inlet pipe (4); a water inlet (401); a water outlet pipe (5); a first outlet conduit (501); a second outlet conduit (502); a temperature monitoring system (6); a temperature sensor (601); a heating controller (7); a power supply line (701).
Detailed Description
The technical solution in the implementation of the present invention will be clearly and completely described below with reference to the accompanying drawings in the patent implementation case of the present invention, and it is obvious that the described implementation case is only a part of the way of the present invention, and not a whole implementation case. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
One of the embodiments
Referring to fig. 1 to 5, the present embodiment relates to a power battery pack (1), an integrated cold plate (2), a valve regulator (3), a water inlet pipe (4), a water outlet pipe (5), a temperature monitoring system (6), and a heating controller (7); specifically, the power battery pack (1) is formed by assembling a plurality of soft packages or square power batteries, and can be arranged and combined according to requirements; the integrated cold plate (2) is clamped between the batteries to form a sandwich structure, the integrated cold plate (2) is assembled and integrated by two micro-channel cold plates (201) and a heating film (202), and the heating film (202) is clamped between the micro-channel cold plates (201); referring to fig. 2, one side of the microchannel cold plate (201) is provided with a water inlet (401) for cooling liquid, and the other side of the microchannel cold plate is provided with a water outlet, the microchannel cold plate is connected with the water inlet (401) of the microchannel cold plate (201) through the water inlet pipe (4), so that external low-temperature media can flow through the internal channel of the microchannel cold plate (202), uniform heat exchange is realized, and the microchannel cold plate (201) is connected through the first water outlet pipe (501) and the second water outlet pipe (502) of the water outlet pipe (5), so that the media subjected to sufficient heat exchange flows out of the microchannel cold plate (201) to perform external heat release treatment; in order to realize the liquid cooling heat dissipation of lower energy consumption inlet channel (4) on set up valve regulator (3), through valve regulator (3) with temperature monitoring system (6) connect, temperature monitoring system (6) include temperature sensor (601) and internal processing chip, temperature sensor (601) evenly distributed carry out real-time supervision in whole power battery group (1), carry out temperature treatment and operation through the processing chip among temperature monitoring system (6), send corresponding signal to valve regulator (3) and heating controller (7) to realize thermal management system's automatically regulated cooling and heating control.
Referring to fig. 3, the internal flow guide channel structure of the microchannel cold plate (201) is as shown in the figure, and three flow guide structures of an 'inner-ring type', an 'inner-return type' and an 'inner-fork type' are designed, wherein a cooling medium flows in from a water inlet at one end, and firstly collects in the central area of the microchannel cold plate, so that the cooling medium gradually expands and flows through the internal flow guide channel, and in addition, in order to further optimize the heat dissipation performance, the flow guide channel inside the microchannel cold plate (201) is in a contraction form from inside to outside, so that the refrigerant flowing through the inside is higher than the flow guide channel at the outer layer.
Referring to fig. 4, the heating film (202) is composed of an inner heating element and an outer insulating material, the inner heating element is preferably formed by sintering a metal wide band or a nano rare earth material, in order to further make the heating film (202) generate heat uniformly, a "drum" or "snake" loop structure is adopted, and the outer layer of the heating film (202) is made of polyimide or epoxy resin or insulating resin, so that the inner heating element can be protected from being damaged, and better high temperature resistance and insulation can be realized.
Referring to fig. 5, the working principle schematic diagram of the temperature monitoring system (6) jointly used with the valve regulator (3) and the heating controller (7), the temperature monitoring system (6) is composed of a temperature sensor (601) and a processing chip, the temperature sensor (601) is uniformly distributed on the surface of a battery in the power battery pack (1), the temperature change of the battery is monitored in real time and fed back to the temperature monitoring system (6), the processing chip is used for processing and operation, the valve regulator (3) is connected with the temperature monitoring system (6) through an external lead, the processing chip in the temperature monitoring system (6) is used for processing and operation, the real-time temperature of the power battery pack (1) is compared and judged with a target temperature T, and the valve regulator (3) is in an open state under the condition that an output signal is judged to be yes, judging the difference between the real-time temperature and the target temperature again, enabling the valve controller (3) to be in a large-flow opening state when the delta T is larger than 5 ℃, enabling the valve controller (3) to be in a small-flow opening state when the delta T is smaller than 5 ℃, and enabling the valve controller (3) to be in a stop state when the first judgment command output signal is negative; the valve regulator (3) and the temperature monitoring system (6) are jointly operated together, so that the heat management system of the power battery module is always in the optimal working state, and the heat dissipation power consumption of the liquid cooling system is reduced.
Referring to fig. 5, the temperature monitoring system (6) is connected with the heating controller (7) through an external line, and the working mode of the heating controller (7) is adjusted through real-time temperature feedback monitored by the sensor (601); firstly, a processing chip in a temperature monitoring system (6) processes monitored real-time temperature data, a first signal judgment is made, when the temperature T is less than 10 ℃, a continuous heating mode signal is sent to a heating controller (7) to enable a heating film (202) to be continuously and rapidly heated, when the real-time temperature T is monitored to be more than 10 ℃, the second signal judgment processing is started, namely when the temperature T is more than 10 ℃ and less than 25 ℃, a pulse heating mode signal is sent to the heating controller (7) to enable the heating film (202) to be heated and insulated in a pulse mode, only when the temperature T is more than 25 ℃, the second signal judgment processor sends a heating stopping signal to the heating controller (3) to control the heating film (202) to stop heating, and through the combined operation of the heating controller (3) and the temperature monitoring system (6), the power battery pack (1) can be scientifically heated and preheated in a low-temperature environment, and the corresponding low-temperature heating energy consumption is reduced.
The above description is only one of the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A heat collecting and radiating integrated power battery pack heat management system device is characterized by comprising a power battery pack, an integrated cold plate, a valve regulator, a water inlet pipeline, a water outlet pipeline, a temperature monitoring system and a heating controller, wherein the power battery pack is formed by arranging a plurality of soft bags or square power batteries, the integrated cold plate integrates a micro-channel cold plate and a heating film, the heating film is arranged between two micro-channel cold plates, the integrated cold plate is clamped between every two power batteries, the valve regulator is arranged on the water inlet pipeline, the water inlet pipeline is connected with a water inlet of the integrated cold plate, the water outlet pipeline is connected with a water outlet of the integrated cold plate, the temperature monitoring system is formed by a temperature sensor and a processing chip, the temperature sensor is arranged on the surface of the power batteries, the external circuit of the temperature monitoring system is connected with the valve regulator and the heating controller, and the heating controller is in circuit connection with the heating film.
2. The heat collection and dissipation heating integrated power battery pack heat management system device according to claim 1, wherein the integrated cold plate is formed by integrating two micro-channel cold plates and a heating film, the thickness of each micro-channel cold plate is 3-5mm, and the materials are preferably aluminum/aluminum alloy/copper alloy and the like; the heating film is arranged between the two micro-channel cold plates, the thickness of the heating film is 0.2-0.5mm, and the integrated cold plate integrating heat dissipation and heating is formed.
3. The device of claims 1 and 2, wherein the microchannel cold plate flow channel is designed with a novel internal-external expanding flow guide channel, preferably an "internal-loop" or an "internal-U" or an "internal-fork".
4. The device of claim 1 and 2, wherein the heating film is preferably a metal wide band or polyimide heating film or a nano rare earth heating film or heating wire, and the heating film structure adopts an "I" or "snake" loop.
5. The heat collecting and dissipating and heating integrated power battery pack heat management system device according to claim 1, wherein the valve regulator is arranged on the water inlet pipeline and used for regulating opening and flow of cooling liquid in the water inlet pipeline, an external circuit of the valve regulator is connected with the temperature monitoring system, and the opening and opening degree of the valve is regulated through a temperature signal instruction.
6. The device of claims 1 and 2, wherein the water inlet conduit is connected to the water inlet of the integrated cold plate, the water outlet conduit comprises a first water outlet conduit and a second water outlet conduit, and the first water outlet conduit and the second water outlet conduit are respectively connected to the water outlet of the integrated cold plate.
7. A heat collection and dissipation heating integrated power battery pack heat management system device as claimed in claims 1 and 4, wherein the heating controller is connected with the heating film for controlling the operation mode of the heating film, and is connected with an external circuit of the temperature monitoring system for modulating the heating mode through a temperature signal.
CN202011328028.XA 2020-11-24 2020-11-24 Heat collecting and dissipating integrated power battery pack heat management system device Pending CN112421147A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113140823A (en) * 2021-03-09 2021-07-20 浙江零跑科技有限公司 Integrated temperature control battery pack
CN113206325A (en) * 2021-04-30 2021-08-03 重庆长安新能源汽车科技有限公司 Power battery internal and external combined heating method
CN113306176A (en) * 2021-05-19 2021-08-27 重庆理工大学 Microchannel thermoplastic composite material and preparation method thereof
CN113384195A (en) * 2021-07-16 2021-09-14 张立强 Floor sweeping robot and heating module thereof
CN117525724A (en) * 2023-11-30 2024-02-06 安徽众源新能源科技有限公司 Box frame, liquid cooling plate and foam aluminum sandwich guard plate integrated battery liquid cooling system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113140823A (en) * 2021-03-09 2021-07-20 浙江零跑科技有限公司 Integrated temperature control battery pack
CN113206325A (en) * 2021-04-30 2021-08-03 重庆长安新能源汽车科技有限公司 Power battery internal and external combined heating method
CN113206325B (en) * 2021-04-30 2022-05-03 重庆长安新能源汽车科技有限公司 Power battery internal and external combined heating method
CN113306176A (en) * 2021-05-19 2021-08-27 重庆理工大学 Microchannel thermoplastic composite material and preparation method thereof
CN113384195A (en) * 2021-07-16 2021-09-14 张立强 Floor sweeping robot and heating module thereof
CN117525724A (en) * 2023-11-30 2024-02-06 安徽众源新能源科技有限公司 Box frame, liquid cooling plate and foam aluminum sandwich guard plate integrated battery liquid cooling system

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