WO2012006792A1 - Système de gestion thermique d'automobile électrique - Google Patents

Système de gestion thermique d'automobile électrique Download PDF

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Publication number
WO2012006792A1
WO2012006792A1 PCT/CN2010/075623 CN2010075623W WO2012006792A1 WO 2012006792 A1 WO2012006792 A1 WO 2012006792A1 CN 2010075623 W CN2010075623 W CN 2010075623W WO 2012006792 A1 WO2012006792 A1 WO 2012006792A1
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WO
WIPO (PCT)
Prior art keywords
liquid
temperature
temperature sensor
electric vehicle
management system
Prior art date
Application number
PCT/CN2010/075623
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English (en)
Chinese (zh)
Inventor
李辉
李立
李久学
Original Assignee
Li Hui
Li Li
Li Jiuxue
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 Li Hui, Li Li, Li Jiuxue filed Critical Li Hui
Publication of WO2012006792A1 publication Critical patent/WO2012006792A1/fr

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    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • 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
    • 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
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/425—Temperature
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • 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
    • Y02T10/64—Electric machine technologies in electromobility
    • 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

Definitions

  • the invention relates to an electric vehicle, and in particular to an electric vehicle thermal management system.
  • electric vehicles generally use lithium batteries.
  • the operating environment temperature of electric vehicle lithium batteries is generally -20 to +55 ° C, and the extreme low temperature in low temperature environments may be as low as -40 ° C or less.
  • the capacity retention at 0 ° C is about 60 to 70%
  • the capacity retention at -10 ° C is about 40 to 55%
  • the capacity retention at -20 ° C is about 20 to 40%.
  • the electrochemical reaction rate decreases, the current and voltage of the battery output will decrease, and the discharge capacity will also drop drastically.
  • Such low temperature performance obviously cannot meet the requirements of the power source.
  • the extreme temperature in a high temperature environment can reach 50 ° C, or even about 60 ° C, even if the high temperature performance of the lithium iron phosphate battery is good, the discharge capacity of the lithium battery will be greatly reduced, thus controlling the working environment temperature of the lithium battery It is of vital importance; currently, the working voltage of the lithium battery is between 2.0 and 4.25V, and the capacity of the power lithium battery is 10 to 100 Ah.
  • the working voltage of the lithium battery is between 2.0 and 4.25V
  • the capacity of the power lithium battery is 10 to 100 Ah.
  • the series and parallel connection of a large number of flexible packagings also increases the labor intensity for the installation workers, and there are great safety hazards in loading, unloading, transportation and assembly.
  • the motor and motor controller have a temperature rise during operation.
  • the electric motor and the motor controller have higher temperature rise during operation at high speed. Excessive temperature may cause damage to the motor and controller, making it use.
  • the life is short and wastes resources; and since the ambient temperature of the electric vehicle is generally -20 to +55 ° C, the space inside the cabin is small, and the temperature is too high or too low to make people feel uncomfortable.
  • the object of the present invention is to provide an electric vehicle thermal management system capable of monitoring the temperature rise of electric motors, motor controllers, batteries and the like of electric vehicles in real time, keeping the temperature rise of each component within an appropriate range, and ensuring that the electric vehicle can be normally operated. run.
  • an electric vehicle thermal management system comprising a temperature sensor for collecting the temperature of the component that generates the temperature rise and fall in the electric vehicle; and a temperature rise and fall device for generating the heat source and the cold source for heating or cooling
  • the component is connected to the signal output end of the central processing unit through a control switch; the central processing unit is configured to receive the signal of the temperature sensor for processing calculation and output a control signal to the temperature rise and fall device.
  • the temperature rise and fall device comprises a temperature control liquid box with a liquid inlet and a liquid outlet, and a heat sink is arranged above the temperature control liquid box, and a metal plate, a metal plate and a temperature are arranged between the temperature control liquid box and the heat sink.
  • a semiconductor temperature difference module is respectively disposed between the control liquid box and the heat sink, and the semiconductor temperature difference module is connected in series and connected to the DC power source through the control switch.
  • the temperature sensor includes a first temperature sensor, and the first temperature sensor is disposed in the battery pack, and the liquid inlet and the liquid outlet of the temperature rise and fall device are respectively connected to the liquid output pipe and the liquid input pipe through the pipeline and the battery pack circulation pump.
  • the temperature sensor further includes a second temperature sensor for being disposed in the motor, and the liquid inlet and the liquid outlet of the temperature rise and fall device are respectively connected to the cooling water outlet and the inlet of the motor through the pipeline and the motor circulation pump.
  • the temperature sensor further includes a third temperature sensor, the third temperature sensor is disposed at the motor controller, and the inlet and outlet ports of the temperature rise and fall device pass through the pipeline and the motor controller to circulate the pump and the cooling water of the motor controller respectively.
  • the exit is connected to the entrance.
  • the temperature sensor further includes a fourth temperature sensor, the fourth temperature sensor is disposed in the vehicle compartment, the refrigerator is further provided with a refrigerator and a heater, and the liquid inlet and the liquid outlet of the temperature rise and fall device pass through the pipeline and the refrigeration cycle pump. They are respectively connected to the outlet and the inlet of the refrigerator, and the inlet and outlet of the temperature-lowering device are respectively connected to the outlet and the inlet of the heater through the pipeline and the heating circulation pump.
  • the battery pack is disposed in the temperature control battery case, and the temperature control battery case comprises an outer casing with an open upper end, a cover plate is arranged at the opening of the outer casing, and a positive pole and a negative pole column and a detection line terminal are arranged on the upper part of the cover plate, and the detection line terminal is
  • the temperature detecting output end of the battery pack, the positive pole and the negative pole end of the battery is provided with a tab connector connected to the positive pole column and the negative pole column; and the two end faces of the outer casing are disposed perpendicular to the plane of the cover plate a liquid circulation hole, a liquid input pipe and a liquid output pipe respectively communicate with both ends of the liquid circulation hole, and the liquid input pipe and the liquid output pipe pass through the pipe and the battery group circulation pump respectively, and the liquid outlet and the liquid inlet of the temperature rise and fall device Connecting;
  • the liquid input pipe and the liquid output pipe are provided with a plug connected to each other, the plug is sealed at the upper end and the lower end
  • the semiconductor temperature difference module between the metal plate and the temperature control liquid box and the hot surface or the cold surface of the semiconductor temperature difference module between the metal plate and the box heat sink are aligned; the temperature control liquid box and the box heat sink are internally provided;
  • the heat dissipating rib is provided with a heat dissipating fan at one end of the box heat dissipating body; the outer surface of the temperature control liquid box is further provided with a heat insulating film.
  • the system further includes a voltage sensor and a current sensor.
  • the detection ends of the voltage sensor and the current sensor are respectively connected and connected in series with the positive and negative ends of the battery, and the signal output terminals of the voltage sensor and the current sensor are respectively processed by the signal amplification conversion circuit and the central processing.
  • the signal input of the unit is connected.
  • the signal input of the central processing unit is also connected to a charging switch of the electric vehicle.
  • the electric vehicle thermal management system of the invention can detect the temperature condition of each component by the temperature sensor and send it to the central processing unit, and the central processing unit timely adjusts the temperature to ensure that the temperature of each component is within an appropriate range.
  • the system has a wide range of thermal management, including not only the temperature control of the battery, creating a suitable working environment temperature for the battery, improving the electrochemical reaction speed, ensuring the output current, output voltage and discharge capacity of the battery, so that the battery is optimal. Performance, meet the requirements of power supply; and the battery box is scientific in design, simple and reasonable in structure, suitable for packaging of various flexible packaging lithium batteries, which can make the capacity of flexible packaging lithium battery cells freely assembled from several amperes to hundreds of amps.
  • the system also includes temperature monitoring of the motor and motor controller to prevent the motor and motor controller from being damaged due to excessive temperature; the system also monitors the temperature inside the cabin to ensure the comfort of the human body's own active space.
  • Figure 1 is a circuit block diagram of the present invention
  • FIG. 2 is a schematic structural view of a temperature control battery case according to the present invention.
  • Figure 3 is a schematic structural view of the outer casing of Figure 2;
  • Figure 4 is a schematic view showing the structure of the liquid input pipe or the liquid output pipe of Figure 2;
  • Figure 5 is a schematic view showing the structure of the liquid circulation hole or the liquid input pipe or the inner wall of the liquid output pipe of Figure 2.
  • Figure 6 is a front view showing the structure of the temperature rise and fall device
  • Figure 7 is a schematic plan view of the temperature rise and fall device
  • Figure 8 is a schematic left side view of the temperature rise and fall device
  • Figure 9 is a schematic perspective view of the temperature rise and fall device
  • Figure 10 is a circuit connection diagram of a temperature rise and fall device and a control switch when a high temperature liquid is generated
  • Figure 11 is a circuit connection diagram of the temperature rise and fall device and the control switch when the cryogenic liquid is generated.
  • the electric vehicle thermal management system of the present invention comprises a first temperature sensor, a second temperature sensor, a third temperature sensor and a fourth temperature sensor, a central processing unit, and a temperature rise and fall device, wherein the first temperature sensor is used to Inside the battery pack, a second temperature sensor is provided inside the motor; The third temperature sensor is used to be disposed at the motor controller, the fourth temperature sensor is used for setting in the electric vehicle compartment, and the electric vehicle is also provided with a refrigerator and a heater; the first temperature sensor and the fourth temperature sensor adopt DS18B20
  • the second temperature sensor and the third temperature sensor both adopt PT100, and the signal output ends of the second temperature sensor and the third temperature sensor are respectively connected with the input end of the signal amplification conversion circuit, and the output end of the signal amplification conversion circuit and the first temperature sensor
  • the signal output end of the fourth temperature sensor is connected to the measurement signal input end of the central processing unit through the CAN bus; the signal output ends of the voltage sensor and the current sensor in the system respectively pass the signal amplification
  • the temperature rise and fall device comprises a temperature control liquid cartridge 21, and the liquid inlet 22 and the liquid outlet 23 are respectively disposed on the detachable end caps of the temperature control liquid cartridge 21.
  • the inlet port 22 and the outlet port 23 of the temperature rise and fall device are respectively connected to the outlet and the inlet of the refrigerator through a pipe and a refrigeration cycle pump, and the inlet port 22 and the outlet port 23 of the temperature rise and fall device pass through the pipe and the heating cycle.
  • the pump is respectively connected to the outlet and the inlet of the heater, and the refrigerator and the heater are placed in the electric vehicle; the inlet 22 and the outlet 23 of the temperature riser are also connected to the battery through the pipeline and the battery circulation pump respectively.
  • the liquid output pipe and the liquid input pipe are connected; the liquid inlet 22 and the liquid outlet 23 of the temperature rise and fall device are respectively connected to the cooling water outlet and the inlet of the motor through the pipe and the motor circulation pump; the liquid inlet 22 and the outlet of the temperature rise and fall device
  • the liquid port 23 is respectively connected to the cooling water outlet and the inlet of the motor controller through the pipeline and the motor controller circulating pump, wherein the refrigeration circulating pump, the heating circulating pump, the battery group circulating pump, the motor circulating pump, the motor controller circulating pump are controlled End through loop A driving circuit connected to the signal output terminal of the central processing unit.
  • a box heat sink 24 is disposed above the temperature control liquid box 21, and the temperature control liquid box 21 and the box heat sink 24 are both high pressure cast aluminum alloy parts or cold drawn aluminum alloy parts.
  • a metal plate 25 is disposed between the temperature control liquid box 21 and the box heat sink 24, and a semiconductor temperature difference module 26 (TEC1-12708) is respectively disposed between the metal plate 25 and the temperature control liquid box 21 and the cassette heat sink 24.
  • the number of semiconductor temperature difference modules above and below the metal plate 25 is two and four, respectively (may also be four and ten or eight and twenty, respectively).
  • the semiconductor temperature difference module 26 is uniformly adhered to the upper surface of the metal plate 25 and the temperature control liquid case 21 by the thermal grease, and the temperature difference between the semiconductor plate 25 and the temperature control liquid case 21 and between the metal plate 25 and the cassette heat sink 24
  • the hot or cold faces of the module 26 are oriented uniformly, so that the temperature difference is greater, and the effect of cooling or heating is better, wherein the metal plate 25 makes the heat transfer uniform.
  • the semiconductor temperature difference module 26 is connected in series through the relay J1 and the DC power source 27 (12).
  • the central processing unit controls the relay J1 through the driving circuit (the two ends of the coil of the relay J1 are connected to the output end of the driving circuit), and the positive and negative electrodes of the semiconductor temperature difference module 26 are connected with the positive and negative terminals of the DC power source 27 to make the temperature difference of the semiconductor
  • the bottom surface of the module 26 is heated and supplied to the temperature control liquid cartridge 21, and the liquid in the temperature control liquid cartridge 21 becomes a high temperature liquid; as shown in FIG.
  • the central processing unit controls the relay J2 through the drive circuit (the ends of the coil of the relay J2) Connected to the output end of the driving circuit), the positive and negative electrodes of the semiconductor temperature difference module 26 are connected to the negative electrode and the positive electrode of the DC power source 27, and the bottom surface of the semiconductor temperature difference module 26 is cooled and transported to the temperature control liquid box 21, and the temperature control liquid box 21 is inside.
  • the liquid turns into a cryogenic liquid.
  • heat dissipation ribs 29 are provided inside the temperature control liquid box 21 and the box heat sink 24.
  • the heat dissipation rib 29, the temperature control liquid box 21 and the box may be further provided.
  • the inner wall of the heat dissipating body 24 is provided with arc-shaped protrusions along the longitudinal direction to increase the heat exchange area and improve the heat absorption or heat dissipation performance.
  • a heat dissipation fan 30 is provided at one end of the cartridge heat sink 24 for cooling and cooling of the cartridge heat sink 24.
  • a heat insulating film 31 is provided on the outer surface of the temperature control liquid cartridge 21 to reduce heat loss inside the temperature control liquid cartridge 21.
  • the battery pack is disposed in the temperature-controlled battery case
  • the temperature-controlled battery case includes an outer casing 1 having an open upper end, and a detachable base 16 is disposed at the bottom of the outer casing 1, and a cover plate 2 is disposed at an upper opening of the outer casing 1.
  • a plurality of partitions 14 are vertically disposed inside the outer casing 1. The partitions 14 uniformly divide the inside of the outer casing 1 into a plurality of independent regions, and a plurality of cells 5 are disposed in the respective independent regions, and the plurality of cells 5 are arranged side by side.
  • the positive electrode 12 and the negative electrode 13 of the upper portion of the battery core 5 are connected by a "ear"-shaped tab connector 6 for connection with the positive electrode column 3 and the negative electrode column 4, and the positive electrode column 3 and the negative electrode column 4 respectively pass through the cover plate 2.
  • the upper counterbore is connected to the tab connector 6; the connector 7, the connector 8 and the connector 9 connect the adjacent battery packs in series.
  • the cover line 2 is provided with a detection line terminal 17, including a temperature detecting end, a battery positive end and a negative end, and a connecting end, wherein the temperature detecting end is connected to the signal input end of the central processing unit.
  • the positive terminal and the negative terminal of the battery are respectively connected in series with the current sensor and in parallel with the voltage sensor; the lower end of the temperature detecting end is connected with the output end of the first temperature sensor disposed under the cover plate 2, and the positive terminal and the negative terminal of the battery are connected.
  • the lower ends of the body ends are respectively connected to the tab connectors 6, the connecting body 7, the connecting body 8 and the connecting body 9.
  • the detecting wire terminal 17 is made of brass chrome plating and has a cross-sectional area of 0.5-1.0 mm 2 .
  • a plurality of liquid circulation holes 15 are provided in the outer casing 1, and the liquid circulation holes 15 are provided on both end faces of the outer casing 1, and perpendicular to the plane of the cover plate 2, in the liquid Both ends of the circulation hole 15 are respectively provided with a liquid input pipe 10 and a liquid output pipe 11 communicating therewith.
  • the liquid input pipe 10 and the liquid output pipe 11 are provided with the same number of plugs 18 as the liquid flow holes 15, and the plug 18 is in communication with the liquid input pipe 10 and the liquid output pipe 11, and the plug 18 is blocked in the liquid circulation.
  • An arc-shaped groove is formed on both sides of the base 16, and the groove is engaged with the liquid input pipe 10 or/and the liquid output pipe 11 on both sides, and the base 16 can be pushed and pulled along the length of the liquid input pipe 10 and the liquid output pipe 11. slide.
  • Arc-shaped protrusions 19 are provided on the inner walls of the liquid circulation holes 15, the liquid input pipe 10, and the liquid output pipe 11, that is, the treatment for increasing the heat exchange area is performed, and the heat absorption or heat dissipation performance is improved to ensure the battery use performance.
  • the height and width ratio of the outer casing 1 is (190 ⁇ 5): (135 ⁇ 1.5), which is suitable for the passenger car with a mass of 860kg ⁇ 1400kg.
  • the outer casing 1 is a high pressure cast aluminum alloy piece or a cold drawn aluminum alloy piece.
  • the material of the cover plate 2 is V00 nylon 66 plastic material, flame retardant V00 grade, and meets the requirements of the BOHS directive.
  • the material of the positive electrode column 3 and the negative electrode column 4 is brass chrome plating.
  • the liquid input pipe 10 and the liquid output pipe 11 may be metal materials, or V00 nylon 66 plastic materials, flame retardant V00 grade, and meet the requirements of the BOHS directive.
  • Electric passenger cars include A0, A, B, C electric cars, RUV, MPV electric cars.
  • the temperature rise and fall device can be installed in the car water tank position;
  • the temperature sensor can be placed according to the battery pack. Under normal circumstances, 1-2 are placed under the front seat, and 2-4 are placed under the rear seat.
  • the other battery packs can be installed with a minimum of one temperature sensor according to the position distribution.
  • the temperature sensor can be placed in the stator winding slot when the motor is produced; the temperature sensor of the measuring motor controller can be placed on the heat sink; the 2-4 temperature sensors can be placed in the car compartment before and after; the central processing unit is centered
  • the circuit board can be placed in the appropriate position in the rear box or in the front and middle box joints.
  • the temperature sensor for measuring the battery pack can be placed according to the battery pack, and can be installed at least according to the position distribution. 10 temperature sensors.
  • the central processing unit monitors the temperature of each temperature sensor in real time and compares it with each temperature setting value to control the temperature rise and fall device to generate high temperature or low temperature liquid input into the corresponding components, thereby controlling the temperature of each place to be maintained in an appropriate range.
  • the system can control the operating temperature of the battery at 10 ⁇ 30 ° C, and also calculate the SOC value (charge state) of the battery through the current sensor and the voltage sensor to ensure that the current and voltage of the battery output are normal, and the discharge capacity is 80%.
  • the operating temperature of the motor can be controlled below 105 ° C ⁇ 155 ° C; the operating temperature of the motor controller can be controlled below 85 ° C; the ambient temperature of the space in the cabin can be controlled within 8 ° C ⁇ 28 ° C .
  • the system can also control the temperature of lead storage batteries, fuel cells, etc., and the temperature rise and fall device can also be set as needed.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention se rapporte un système de gestion thermique d'automobile électrique, qui comprend des capteurs de température, un dispositif de chauffage et de refroidissement et une CPU (unité de traitement centrale). Les capteurs de température sont utilisés pour collecter la température de composants qui produisent une hausse et une chute de température dans une automobile électrique. Le dispositif de chauffage et de refroidissement est utilisé pour produire une source de chaleur et une source de froid pour transmission aux composants. Le dispositif de chauffage et de refroidissement est relié à une extrémité de sortie de signal de la CPU par l'intermédiaire d'un commutateur de commande. La CPU est utilisée pour recevoir des signaux des capteurs de température, pour réaliser un calcul de traitement et pour sortir des signaux de commande sur le dispositif de chauffage et de refroidissement.
PCT/CN2010/075623 2010-07-14 2010-08-02 Système de gestion thermique d'automobile électrique WO2012006792A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010202580333U CN201712554U (zh) 2010-07-14 2010-07-14 电动汽车热管理系统
CN201020258033.3 2010-07-14

Publications (1)

Publication Number Publication Date
WO2012006792A1 true WO2012006792A1 (fr) 2012-01-19

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CN108807768A (zh) * 2018-06-26 2018-11-13 南通鼎鑫电池有限公司 一种主动散热的锂电池箱
CN112060856A (zh) * 2020-09-01 2020-12-11 沧州邦腾汽车配件有限公司 一种ev车辆移动环境采暖加热装置
CN113765188A (zh) * 2021-09-13 2021-12-07 阳光电源股份有限公司 电站、充电系统、液冷系统及其控制方法和控制装置
CN114274779A (zh) * 2022-01-18 2022-04-05 成都汽车职业技术学校 新能源电动车集温度信息采集与预警控制的装置及方法
CN114520388A (zh) * 2022-02-08 2022-05-20 浙江荣泰电工器材股份有限公司 一种新能源汽车用五系三元锂电池模组的云母绝缘盒

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US9056915B2 (en) 2007-08-23 2015-06-16 Amgen Inc. Antigen binding proteins to proprotein convertase subtilisin kexin type 9 (PCSK9)
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CN108807768A (zh) * 2018-06-26 2018-11-13 南通鼎鑫电池有限公司 一种主动散热的锂电池箱
CN108807768B (zh) * 2018-06-26 2024-01-30 南通鼎鑫电池有限公司 一种主动散热的锂电池箱
CN112060856A (zh) * 2020-09-01 2020-12-11 沧州邦腾汽车配件有限公司 一种ev车辆移动环境采暖加热装置
CN113765188A (zh) * 2021-09-13 2021-12-07 阳光电源股份有限公司 电站、充电系统、液冷系统及其控制方法和控制装置
CN114274779A (zh) * 2022-01-18 2022-04-05 成都汽车职业技术学校 新能源电动车集温度信息采集与预警控制的装置及方法
CN114274779B (zh) * 2022-01-18 2023-09-19 成都汽车职业技术学校 新能源电动车集温度信息采集与预警控制的装置及方法
CN114520388A (zh) * 2022-02-08 2022-05-20 浙江荣泰电工器材股份有限公司 一种新能源汽车用五系三元锂电池模组的云母绝缘盒
CN114520388B (zh) * 2022-02-08 2023-12-26 浙江荣泰电工器材股份有限公司 一种新能源汽车用五系三元锂电池模组的云母绝缘盒

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