CN201712554U - Electric automobile thermal management system - Google Patents
Electric automobile thermal management system Download PDFInfo
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- CN201712554U CN201712554U CN2010202580333U CN201020258033U CN201712554U CN 201712554 U CN201712554 U CN 201712554U CN 2010202580333 U CN2010202580333 U CN 2010202580333U CN 201020258033 U CN201020258033 U CN 201020258033U CN 201712554 U CN201712554 U CN 201712554U
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- temperature sensor
- electric automobile
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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
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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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
- 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
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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
- 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
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- 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
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- 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 utility model discloses an electric automobile thermal management system, comprising a temperature sensor, a temperature increasing and decreasing device and a central processing unit, wherein the temperature sensor is used to collect the temperature of a component which, in an electric automobile, gives rise to temperature increase or decrease, the temperature increasing and decreasing device, connected with a signal output terminal of the central processing unit via a control switch, is used to generate a heat source and a cold source which are transmitted to a component which needs heating or cooling and the central processing unit is used to receive signals of the temperature sensor for calculation treatment and to transmit control signals to the temperature increasing and decreasing device. The electric automobile thermal management system of the utility model enables to detect temperature conditions of every component via the temperature sensor and to transmit the temperature conditions to the central processing unit, which regulates the temperature in time to guarantee that the temperature of each component is within an appropriate range. The system not only monitors the temperature of a battery, but also that of a motor and a motor controller, preventing damage to the motor and the motor controller due to too high a temperature. The system also monitors the temperature in a compartment, guaranteeing the comfortableness of the activity space.
Description
Technical field
The utility model relates to a kind of electronlmobil, relates in particular to a kind of thermal management system of electric automobile.
Background technology
At present, what electronlmobil used generally is lithium cell, and the environment for use temperature of electronlmobil lithium cell is generally at-20～+ 55 ℃, and the limit low temperature under the low temperature environment may be low to moderate below-40 ℃.With regard to single only electric core, the capability retention in the time of its 0 ℃ is about 60～70%, and the capability retention in the time of-10 ℃ is about 40～55%, and the capability retention in the time of-20 ℃ is about 20～40%.Under such cryogenic conditions, electrochemical reaction rates descends, and the electric current and the voltage of battery output all can descend, and loading capacity also can decline to a great extent, and such low-temperature properties obviously can not satisfy the operating needs of electrical source of power.On the contrary, the ultimate temperature under hot environment can reach 50 ℃, even reaches about 60 ℃, even if the high-temperature behavior of ferric phosphate lithium cell is better, the loading capacity of lithium cell also can decline to a great extent, and the operating ambient temperature of therefore controlling lithium cell is most important; The monomer operating voltage of lithium cell is between 2.0～4.25V at present, and the capacity of power lithium battery is 10～100Ah.Satisfy the load electricity consumption of electronlmobil high-voltage large current, must use by a plurality of cell connection in series-parallel.So not only the internal resistance of cell, capacity and terminal voltage are difficult to equilibrium, and the technical risk of protection circuit increases the expense cost lifting.The capacity of cell that is together in series is big more, and the manufacturing technology difficulty of its charge and discharge protecting circuit is high more, and its safety also just is difficult to thoroughly solve.The connection in series-parallel of a large amount of flexible packagings has also increased labour intensity to the installer, and all there are very big potential safety hazard in loading and unloading, transportation and assembling.Also have, electrical motor and electric machine controller have temperature rise at work, and electronlmobil electrical motor and electric machine controller in running at high speed have higher temperature rise at work, and too high temperature may cause the damage of electrical motor and controller, make its service life shorter, the waste resource; And because the environment for use temperature of electronlmobil is generally at-20～+ 55 ℃, vehicle interior space is little, too high or too low for temperature the people is felt under the weather.
The utility model content
The purpose of this utility model provides a kind of thermal management system of electric automobile, can monitor the temperature rise situation of the parts such as electrical motor, motor controller, storage battery of electronlmobil in real time, keep each parts temperature rise in suitable scope, guarantee that electronlmobil can normally move.
The utility model adopts following technical proposals: a kind of thermal management system of electric automobile, comprise temperature sensor, and be used for gathering the part temperatures that produces gradient of temperature in the electronlmobil; The heating and cooling device is used for producing thermal source and low-temperature receiver flows to the parts that need intensification or cooling, and the heating and cooling device is connected with the signal output part of central processing unit by master cock; Central processing unit, the signal that is used for receiving temperature sensor handle calculate and the output control signal to the heating and cooling device.
Described heating and cooling device comprises the temperature control liquid box that has inlet and liquid outlet, temperature control liquid box top is provided with radiator, be provided with metal sheet between temperature control liquid box and the radiator, be respectively equipped with the semiconductor temperature difference module between metal sheet and temperature control liquid box and the radiator, semiconductor temperature difference module series connection back is connected with direct supply by master cock.
Described temperature sensor comprises first temperature sensor, and first temperature sensor is arranged in the battery pack, and the inlet of heating and cooling device is connected with the liquid input tube road with the liquid output pipe road respectively with the battery pack circulation pump by pipeline with liquid outlet.
Described temperature sensor also comprises second temperature sensor, and second temperature sensor is used for being arranged in the motor.
Described temperature sensor also comprises three-temperature sensor, three-temperature sensor is arranged on the electric machine controller place, and the inlet of heating and cooling device is connected with inlet with the cooling water outlet of electric machine controller respectively with the electric machine controller circulation pump by pipeline with liquid outlet.
Described temperature sensor also comprises the 4th temperature sensor, the 4th temperature sensor is arranged in the compartment, also be provided with refrigerator and system warmer in the compartment, the inlet of heating and cooling device is connected with inlet with the outlet of refrigerator respectively with the refrigerating cycle pump by pipeline with liquid outlet, and the inlet of heating and cooling device is connected with inlet with the outlet of system warmer respectively by the warm circulation pump of pipeline and system with liquid outlet.
Described battery pack is arranged in the temperature control battery case, the temperature control battery case comprises the shell of upper end open, the opening part of shell is provided with cover plate, and cover plate top is provided with positive terminal and negative terminal and detection line terminal, and the detection line terminal is temperature detection mouth, the positive pole of battery, the negative pole end of battery pack; The cover plate bottom is provided with the lug attaching parts that links to each other with negative terminal with positive terminal; Be provided with a plurality of flow of liquid through holes on the both sides end face of shell and perpendicular to plane, cover plate place, liquid input tube road and liquid output pipe road communicate with the two ends of flow of liquid through hole respectively, and the liquid input tube road is connected with inlet with the liquid outlet of heating and cooling device respectively with the battery pack circulation pump by pipeline with the liquid output pipe road; Liquid input tube road and liquid output pipe road are provided with the plug that is connected, and the plug shutoff is in the top and bottom of flow of liquid through hole; Be provided with circular-arc projection along its length on the inwall in described flow of liquid through hole, liquid input tube road and liquid output pipe road; Described outer casing bottom detachably is provided with base, and the base both sides are provided with arc-shaped groove, and the liquid input tube road of groove and both sides is or/and the clamping of liquid output pipe road.
The semiconductor temperature difference module between metal sheet and the temperature control liquid box and the hot side of the semiconductor temperature difference module between metal sheet and the boxlike radiator or huyashi-chuuka (cold chinese-style noodles) are towards consistent; Described temperature control liquid box and boxlike radiator inside are provided with radiating ribs, and boxlike radiator one end is provided with radiator fan; Described temperature control liquid box outer surfac also is provided with adiabatic membrane.
Native system also includes voltage sensor and current sensor, the test side of voltage sensor and current sensor is respectively with the positive and negative terminal of battery and connect and be connected in series, and the signal output part of voltage sensor and current sensor amplifies change-over circuit by signal respectively and is connected with the signal input part of central processing unit.
The signal input part of described central processing unit also is connected with the charge switch of battery-driven car.
The utility model thermal management system of electric automobile can flow to central processing unit by the temperature regime that temperature sensor detects each parts, and central processing unit is in time carried out regulating and controlling temperature and guaranteed that the temperature of each parts is in suitable scope.And native system heat management scope is wide, not only comprise temperature control to battery, for battery is created suitable operating ambient temperature, improve electrochemical reaction rates, guarantee outgoing current, output voltage and the loading capacity of battery, so that battery is brought into play optimum performance, satisfy the operating needs of electrical source of power; And battery case design science wherein, simple and reasonable for structure, be applicable to the packing of various flexible package lithium cells, flexible package lithium cell monomer capacity is freely assembled from several ampere-hours to hundreds of ampere-hours, help improving the specific energy of single lithium battery, assembling, loading and unloading and convenient transportation are eliminated various potential safety hazards, and be safe and reliable.Also comprise temperature monitoring in the native system, avoided electrical motor and motor controller to damage because temperature is too high to electrical motor, motor controller; Native system is also monitored the temperature in the compartment, has guaranteed the comfort level of human body self activity space.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the structural representation of temperature control battery case in the utility model;
Fig. 3 is the structural representation of shell among Fig. 2;
Fig. 4 is the structural representation in liquid input tube road or liquid output pipe road among Fig. 2;
Fig. 5 is the structural representation of flow of liquid through hole or liquid input tube road or liquid output pipe road inwall among Fig. 2.
Fig. 6 is the main TV structure scheme drawing of heating and cooling device;
Fig. 7 is the plan structure scheme drawing of heating and cooling device;
Fig. 8 is the left TV structure scheme drawing of heating and cooling device;
Fig. 9 is the perspective view of heating and cooling device;
The circuit connection diagram of heating and cooling device and master cock when Figure 10 is the generation high-temp liquid;
The circuit connection diagram of heating and cooling device and master cock when Figure 11 is the generation cryogenic liquid.
The specific embodiment
As shown in Figure 1, the utility model thermal management system of electric automobile comprises first temperature sensor, second temperature sensor, three-temperature sensor and the 4th temperature sensor, central processing unit, heating and cooling device, first temperature sensor is used for being placed in the battery pack, and second temperature sensor is used for being arranged on motor internal; Three-temperature sensor is used for being arranged on the electric machine controller place, and the 4th temperature sensor is used for being arranged in the battery-driven car compartment, also is provided with refrigerator and system warmer in the electronic compartment; First temperature sensor and the 4th temperature sensor adopt DS18B20, second temperature sensor and three-temperature sensor all adopt PT100, second temperature sensor is connected with the input end of signal amplification change-over circuit respectively with the signal output part of three-temperature sensor, and the mouth that signal amplifies change-over circuit all is connected with the measurement signal input end of central processing unit by the CAN bus with the signal output part of the 4th temperature sensor with first temperature sensor; The signal output part of voltage sensor and current sensor is connected with the signal input part of central processing unit with the CAN bus by signal amplification change-over circuit respectively in the native system; The signal input part of central processing unit also is connected with the charge switch of battery charger by the CAN bus, learns the charging and discharging state of battery, guarantees that battery normally moves; The CAN bus has very strong error detection capability, and communication distance is far away, has guaranteed the accuracy rate of signal transmission.The signal output part of central processing unit is connected with the signal control end of heating and cooling device with switch 1, switch 2 by driving circuit.
As Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, the heating and cooling device comprises temperature control liquid box 21, on temperature control liquid box 21 two ends removable end cap, be respectively equipped with inlet 22 and liquid outlet 23, the inlet 22 of heating and cooling device and liquid outlet 23 by pipeline and refrigerating cycle pump respectively with refrigerator outlet be connected with inlet, the inlet 22 of heating and cooling device is connected with inlet with the outlet of system warmer respectively by the warm circulation pump of pipeline and system with liquid outlet 23, and refrigerator and system warmer are placed in the electronic compartment; The inlet 22 of heating and cooling device and liquid outlet 23 also by pipeline and battery pack circulation pump respectively with battery pack on the liquid output pipe road be connected with the liquid input tube road; The inlet 22 of heating and cooling device is connected with inlet with the cooling water outlet of motor respectively with the motor cycle pump by pipeline with liquid outlet 23; The inlet 22 of heating and cooling device and liquid outlet 23 are connected with inlet with the cooling water outlet of electric machine controller respectively with the electric machine controller circulation pump by pipeline, and wherein refrigerating cycle pump, the control end that heats circulation pump, battery pack circulation pump, motor cycle pump, electric machine controller circulation pump all are connected with the signal output part of central processing unit by the circulation pump driving circuit.Be provided with boxlike radiator 24 above temperature control liquid box 21, temperature control liquid box 21 and boxlike radiator 24 are high pack alloy spare or cold-drawn Al-alloy parts.Be provided with metal sheet 25 between temperature control liquid box 21 and the boxlike radiator 24, between metal sheet 25 and temperature control liquid box 21 and boxlike radiator 24, be respectively equipped with semiconductor temperature difference module 26 (TEC1-12708), above the metal sheet 25 and following semiconductor temperature difference number of modules be respectively two and four (also can be respectively four and ten or eight and 20 etc.).Semiconductor temperature difference module 26 evenly sticks on above the metal sheet 25 and above the temperature control liquid box 21 by heat-conducting silicone grease, and between metal sheet 25 and the temperature control liquid box 21 and the hot side of the semiconductor temperature difference module 26 between metal sheet 25 and the boxlike radiator 24 or huyashi-chuuka (cold chinese-style noodles) towards consistent, make the temperature difference bigger, refrigeration or the better effects if that heats, it is even that wherein metal sheet 25 makes the heat transmission.As shown in figure 10, semiconductor temperature difference module 26 series connection backs are connected with direct supply 27 (12V) by relay J 1, central processing unit makes the positive pole of semiconductor temperature difference module 26 be connected with negative pole with the positive pole of direct supply 27 with negative pole by driving circuit control relay J1 (the coil two ends of relay J 1 are connected with the mouth of driving circuit), the bottom surface of semiconductor temperature difference module 26 is heated flow to temperature control liquid box 21, then the liquid in the temperature control liquid box 21 become high-temp liquid; As shown in figure 11, central processing unit makes the positive pole of semiconductor temperature difference module 26 be connected with anodal with the negative pole of direct supply 27 with negative pole by driving circuit control relay J2 (the coil two ends of relay J 2 are connected with the mouth of driving circuit), make the bottom surface refrigeration of semiconductor temperature difference module 26 flow to temperature control liquid box 21, then the liquid in the temperature control liquid box 21 becomes cryogenic liquid.For improving heat absorption or heat dispersion, be provided with radiating ribs 29 at temperature control liquid box 21 and boxlike radiator 24 inside, in order further to improve heat absorption or heat dispersion, can also on the inwall of radiating ribs 29, temperature control liquid box 21 and boxlike radiator 24, be provided with circular-arc projection along its length, increase heat exchange area, improve heat absorption or heat dispersion.End at boxlike radiator 24 is provided with radiator fan 30, is used for cooling of boxlike radiator 24.Outside face at temperature control liquid box 21 is provided with adiabatic membrane 31, reduces temperature control liquid box 21 internal heat and scatters and disappears.
As shown in Figure 2, battery pack is arranged in the temperature control battery case, and the temperature control battery case comprises the shell 1 of upper end open, is provided with detouchable base 16 in shell 1 bottom, and shell 1 upper opening place is provided with cover plate 2.Vertically be provided with polylith dividing plate 14 in shell 1 inside, dividing plate 14 evenly is divided into a plurality of isolated areas with the inside of shell 1, is provided with polylith electricity core 5 in each isolated area, and polylith electricity core 5 is arranged side by side.The anode ear 12 on electricity core 5 tops is connected with the lug attaching parts 6 of negative electrode lug 13 by " worker " font, and in order to being connected with negative terminal 4 with positive terminal 3, positive terminal 3 links to each other with lug attaching parts 6 by the counterbore on the cover plate 2 respectively with negative terminal 4; Connector 7, connector 8 and connector 9 are cascaded adjacent battery pack.Performance Detection for the ease of lithium cell, on cover plate 2, be provided with detection line terminal 17, comprise temperature detection end, anode end and negative level end, connector end, wherein the temperature detection end is connected with the signal input part of central processing unit, and anode end and negative pole end are used for respectively connecting with current sensor and are in parallel with voltage sensor; The lower end of temperature detection end is connected with the mouth of first temperature sensor under being arranged on cover plate 2, the anode end links to each other with lug attaching parts 6, connector 7, connector 8 and connector 9 respectively with the lower end of negative level end, connector end, the material of detection line terminal 17 is brass chromium plating, and its cross-sectional area is the 0.5-1.0 square millimeter.
As Fig. 3, Fig. 4 and shown in Figure 5, on shell 1, be provided with a plurality of flow of liquid through holes 15, flow of liquid through hole 15 is located on the both sides end face of shell 1, and perpendicular to plane, cover plate 2 place, is respectively equipped with liquid input tube road 10 and the liquid output pipe road 11 that communicates with it at the two ends of flow of liquid through hole 15.Liquid input tube road 10 and liquid output pipe road 11 are provided with and flow of liquid through hole 15 the same number of plugs 18, and plug 18 is connected with liquid input tube road 10 and liquid output pipe road 11, and described plug 18 shutoff are in flow of liquid through hole 15.Be provided with arc-shaped groove in base 16 both sides, the liquid input tube road 10 of groove and both sides is or/and 11 clampings of liquid output pipe road, and base 16 can slide along the length direction push-and-pull in liquid input tube road 10 and liquid output pipe road 11.Be provided with circular-arc protrudingly 19 on the inwall in flow of liquid through hole 15, liquid input tube road 10 and liquid output pipe road 11, the processing that promptly increases heat exchange area improves heat absorption or heat dispersion, guarantees the battery in-use performance.The height of shell 1, wide ratio are (190 ± 5): (135 ± 1.5), suitable curb mass is the manned vehicle of 860kg ∽ 1400kg, under the seat, does not need to promote seat height before and after being placed in, the road clearance of car load still can reach 〉=150mm.Shell 1 is high pack alloy spare or cold-drawn Al-alloy parts.The material of cover plate 2 is V00 nylon 66 plastics material, fire-retardant V00 level, and meet the BOHS command request.The material of positive terminal 3 and negative terminal 4 is brass chromium plating.Liquid input tube road 10 and liquid output pipe road 11 can be metallic material, perhaps are V00 nylon 66 plastics material, fire-retardant V00 level, and meet the BOHS command request.
Electronic manned vehicle comprises A0 level, A level, B level, C level electrocar, RUV, MPV electronlmobil, and when native system was used on these vehicles, wherein the heating and cooling device can be installed in the radiator position; The temperature sensor of measuring battery pack can generally speaking, only respectively be put 1-2 by battery pack distribution riding position under the front seats, only lay 2-4 under the back row seats, 1 temperature sensor of minimum installation but other battery pack opsition dependent distributes; The temperature sensor of measuring motor can be placed in the stator winding groove when producing motor; The temperature sensor of measuring electric machine controller can be placed on the heating panel; Can be in the compartment by laying 2-4 temperature sensor all around; The circuit control panel that with the central processing unit is the center can be placed on rear cabinet appropriate location or preceding case and raising middle flask joint portion.When being applicable to electronic commercial vehicle/comm..vehicle when (comprising 6-25 rice electric bus, electronic tourist coachs such as 6-12 rice), the temperature sensor of wherein measuring battery pack can be by battery pack distribution riding position, 4-10 temperature sensor of minimum installation but opsition dependent distributes.Central processing unit is monitored the temperature of each temperature sensor in real time, and compare with each desired temperature and to control that the heating and cooling device produces high temperature or cryogenic liquid is input in the corresponding parts, remain on suitable scope thereby control each local temperature.Native system can make the operating temperature of battery be controlled at 10～30 ℃, also by current sensor and voltage sensor the SOC value (state-of-charge) of battery is calculated, and guarantees that the electric current and the voltage of battery output is normal, and loading capacity is more than 80%; Can make the operating temperature of motor be controlled at 105 ℃～below 155 ℃; The operating temperature of electric machine controller is controlled at below 85 ℃; The ambient temperature in the space of people's activity in the compartment is controlled in 8 ℃～28 ℃.
In addition, native system can also be controlled the temperature of lead battery, fuel cell etc., and the heating and cooling device also can according to circumstances need to be provided with a plurality of.
Claims (10)
1. a thermal management system of electric automobile is characterized in that: comprise temperature sensor, be used for gathering the part temperatures that produces gradient of temperature in the electronlmobil; The heating and cooling device is used for producing thermal source and low-temperature receiver flows to the parts that need intensification or cooling, and the heating and cooling device is connected with the signal output part of central processing unit by master cock; Central processing unit, the signal that is used for receiving temperature sensor handle calculate and the output control signal to the heating and cooling device.
2. thermal management system of electric automobile according to claim 1, it is characterized in that: described heating and cooling device comprises the temperature control liquid box that has inlet and liquid outlet, temperature control liquid box top is provided with radiator, be provided with metal sheet between temperature control liquid box and the radiator, be respectively equipped with the semiconductor temperature difference module between metal sheet and temperature control liquid box and the radiator, semiconductor temperature difference module series connection back is connected with direct supply by master cock.
3. thermal management system of electric automobile according to claim 2, it is characterized in that: described temperature sensor comprises first temperature sensor, first temperature sensor is arranged in the battery pack, and the inlet of heating and cooling device is connected with the liquid input tube road with the liquid output pipe road respectively with the battery pack circulation pump by pipeline with liquid outlet.
4. thermal management system of electric automobile according to claim 3 is characterized in that: described temperature sensor also comprises second temperature sensor, and second temperature sensor is used for being arranged in the motor.
5. thermal management system of electric automobile according to claim 4, it is characterized in that: described temperature sensor also comprises three-temperature sensor, three-temperature sensor is arranged on the electric machine controller place, and the inlet of heating and cooling device is connected with inlet with the cooling water outlet of electric machine controller respectively with the electric machine controller circulation pump by pipeline with liquid outlet.
6. thermal management system of electric automobile according to claim 5, it is characterized in that: described temperature sensor also comprises the 4th temperature sensor, the 4th temperature sensor is arranged in the compartment, also be provided with refrigerator and system warmer in the compartment, the inlet of heating and cooling device is connected with inlet with the outlet of refrigerator respectively with the refrigerating cycle pump by pipeline with liquid outlet, and the inlet of heating and cooling device is connected with inlet with the outlet of system warmer respectively by the warm circulation pump of pipeline and system with liquid outlet.
7. according to claim 3 or 4 or 5 or 6 described thermal management system of electric automobile, it is characterized in that: described battery pack is arranged in the temperature control battery case, the temperature control battery case comprises the shell of upper end open, the opening part of shell is provided with cover plate, cover plate top is provided with positive terminal and negative terminal and detection line terminal, and the detection line terminal is temperature detection mouth, the positive pole of battery, the negative pole end of battery pack; The cover plate bottom is provided with the lug attaching parts that links to each other with negative terminal with positive terminal; Be provided with a plurality of flow of liquid through holes on the both sides end face of shell and perpendicular to plane, cover plate place, liquid input tube road and liquid output pipe road communicate with the two ends of flow of liquid through hole respectively, and the liquid input tube road is connected with inlet with the liquid outlet of heating and cooling device respectively with the battery pack circulation pump by pipeline with the liquid output pipe road; Liquid input tube road and liquid output pipe road are provided with the plug that is connected, and the plug shutoff is in the top and bottom of flow of liquid through hole; Be provided with circular-arc projection along its length on the inwall in described flow of liquid through hole, liquid input tube road and liquid output pipe road; Described outer casing bottom detachably is provided with base, and the base both sides are provided with arc-shaped groove, and the liquid input tube road of groove and both sides is or/and the clamping of liquid output pipe road.
8. thermal management system of electric automobile according to claim 7 is characterized in that: the semiconductor temperature difference module between metal sheet and the temperature control liquid box and the hot side of the semiconductor temperature difference module between metal sheet and the boxlike radiator or huyashi-chuuka (cold chinese-style noodles) are towards consistent; Described temperature control liquid box and boxlike radiator inside are provided with radiating ribs, and boxlike radiator one end is provided with radiator fan; Described temperature control liquid box outer surfac also is provided with adiabatic membrane.
9. thermal management system of electric automobile according to claim 8, it is characterized in that: it includes voltage sensor and current sensor, the test side of voltage sensor and current sensor is respectively with the positive and negative terminal of battery and connect and be connected in series, and the signal output part of voltage sensor and current sensor amplifies change-over circuit by signal respectively and is connected with the signal input part of central processing unit.
10. thermal management system of electric automobile according to claim 9 is characterized in that: the signal input part of described central processing unit also is connected with the charge switch of battery-driven car.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202580333U CN201712554U (en) | 2010-07-14 | 2010-07-14 | Electric automobile thermal management system |
| PCT/CN2010/075623 WO2012006792A1 (en) | 2010-07-14 | 2010-08-02 | Electric automobile thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202580333U CN201712554U (en) | 2010-07-14 | 2010-07-14 | Electric automobile thermal management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201712554U true CN201712554U (en) | 2011-01-19 |
Family
ID=43458553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202580333U Expired - Lifetime CN201712554U (en) | 2010-07-14 | 2010-07-14 | Electric automobile thermal management system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201712554U (en) |
| WO (1) | WO2012006792A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505175A (en) * | 2016-12-15 | 2017-03-15 | 珠海华而美照明有限公司 | Electric vehicle battery system |
| CN112161712A (en) * | 2020-09-29 | 2021-01-01 | 上海汽车工业(集团)总公司 | All-weather temperature monitoring system for electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JOP20080381B1 (en) | 2007-08-23 | 2023-03-28 | Amgen Inc | Antigen Binding Proteins to Proprotein Convertase subtillisin Kexin type 9 (pcsk9) |
| CN108807768B (en) * | 2018-06-26 | 2024-01-30 | 南通鼎鑫电池有限公司 | Active heat dissipation lithium battery box |
| CN112060856A (en) * | 2020-09-01 | 2020-12-11 | 沧州邦腾汽车配件有限公司 | EV vehicle removes environment heating device |
| CN114274779B (en) * | 2022-01-18 | 2023-09-19 | 成都汽车职业技术学校 | Device and method for collecting temperature information and controlling early warning of new energy electric vehicle |
| CN114520388B (en) * | 2022-02-08 | 2023-12-26 | 浙江荣泰电工器材股份有限公司 | Mica insulation box of five ternary lithium battery modules for new energy automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195245Y (en) * | 1994-11-15 | 1995-04-26 | 胡东平 | Cooling and warming cushion |
| JP3709859B2 (en) * | 2002-06-20 | 2005-10-26 | 日産自動車株式会社 | Battery temperature detector for thin batteries |
| JP4085906B2 (en) * | 2003-07-18 | 2008-05-14 | 日立工機株式会社 | Battery charger |
| CN201283804Y (en) * | 2008-09-22 | 2009-08-05 | 马鸿军 | Electric automobile management system |
| CN101570147B (en) * | 2009-06-01 | 2011-05-11 | 奇瑞汽车股份有限公司 | Electric automobile battery system structure |
| CN101710759B (en) * | 2009-11-11 | 2011-08-17 | 厦门金龙联合汽车工业有限公司 | Heat management device of electric car and use method thereof |
-
2010
- 2010-07-14 CN CN2010202580333U patent/CN201712554U/en not_active Expired - Lifetime
- 2010-08-02 WO PCT/CN2010/075623 patent/WO2012006792A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505175A (en) * | 2016-12-15 | 2017-03-15 | 珠海华而美照明有限公司 | Electric vehicle battery system |
| CN112161712A (en) * | 2020-09-29 | 2021-01-01 | 上海汽车工业(集团)总公司 | All-weather temperature monitoring system for electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012006792A1 (en) | 2012-01-19 |
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