CN207015112U - A kind of electric automobile air-conditioning system based on phase-change accumulation energy - Google Patents

A kind of electric automobile air-conditioning system based on phase-change accumulation energy Download PDF

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CN207015112U
CN207015112U CN201720823475.XU CN201720823475U CN207015112U CN 207015112 U CN207015112 U CN 207015112U CN 201720823475 U CN201720823475 U CN 201720823475U CN 207015112 U CN207015112 U CN 207015112U
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air
electric automobile
accumulation energy
change accumulation
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丁玉龙
聂彬剑
姜竹
丛琳
冷光辉
张叶龙
赵伟杰
翁立奎
陈久良
任爱
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Abstract

The utility model provides a kind of electric automobile air-conditioning system based on phase-change accumulation energy, and the function of the former mechanical air conditioner device in part is substituted using phase change energy storage technology, reduces the weight and energy consumption of mounted air conditioner system, improves comfort level.The hot/cold process of filling of phase-change accumulation energy module is mainly completed when electric car charges, and institute's storing up electricity of batteries of electric automobile is mainly used in power drive.Exothermic character, Effective Regulation vehicle interior temperature are inhaled using constant temperature of the phase-change material near transformation temperature;Use speed and controllability of the phase-change accumulation energy module of enhanced heat exchange technology to improve absorption or release energy, the problem of overcoming traditional phase change energy storage technology heat transfer rate slow, the regulation and control to air-conditioning system leaving air temp are effectively improved, lifting mounted air conditioner system adapts to the performance of quick environment change.This technology can provide help to the heat management of battery simultaneously, increase the security of electric automobile.

Description

A kind of electric automobile air-conditioning system based on phase-change accumulation energy
Technical field
Energy storage, Thermal Power Engineering and technical field of traffic transportation are the utility model is related to, in particular, the utility model master It is related to a kind of electric automobile air-conditioning system based on phase-change accumulation energy, available for the temperature adjustment in electric automobile, electric automobile The field such as mileage number raising and electrokinetic cell life-span upgrading.
Background technology
New-energy automobile especially electric automobile is progressively as one of mainstream development direction of auto industry.On-board air conditioner system System uses mechanical refrigeration, the shortcomings that high energy consumption, noise is big be present, its refrigerant largely used also brings larger damage to environment Evil.During electric automobile summer traveling, the compressor cooling of air-conditioning needs to consume the reserve of electricity of a large amount of accumulator of electric car; Equally, needed when travelling in the winter time by air-conditioning heating, its power resources is also to come from battery.The power consumption of air-conditioning is not only Its mileage number is greatly lowered, and battery can be shortened.Further, since automobile external environment is changeable, car door is frequent Unlatching etc. can cause the fluctuation continuously and healthily of car body internal loading demand, not only influence comfort level, also due to on-board air conditioner Variable load operation and cause high power consumption.Furthermore in electric automobile operation, if battery power output is sufficiently large, it can expire Sufficient air conditioning requirements have no effect on the power performance of electric automobile;With the gradual reduction of battery dump energy, vehicle dynamic property It is able to can be decreased obviously because of the use of air-conditioning, especially winter outdoor temperature is low, and air-conditioning COP is relatively low, needs solve heat exchanger again Frosting problem, cause heating capacity insufficient, mileage number reduces.In addition winter temperature than it is relatively low when, the power of some pure electric automobiles Battery does not often work in optimum working temperature scope, causes mileage number further to decline.
Current technology improvement increase storage cold heat device mainly in original air conditioning system for electric car, but store up cold heat Amount is smaller so that device volume is larger so that the increase of automobile total quality, improved effect unobvious.Phase change energy storage technology has energy Metric density is big and phase transition process in temperature stabilization the characteristics of, can be changed according to external environment condition it is autonomous absorb or release energy, have There is the advantage that mechanical refrigeration is incomparable, it shows in fields such as new energy, industrial afterheat recovery, novel energy-saving environment-friendly electrical equipment Huge application potential.Phase change energy storage technology has been applied into the trial in fields such as HVACs both at home and abroad, but has been substituted part Traditional air conditioner is simultaneously also rarely reported applied to the technology of electric automobile.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of electric automobile air conditioner system based on phase-change accumulation energy System, it is frequent to the high requirement and car door of battery power reservoir capacity during current electric automobile air conditioner cooling/heating to alleviate Unlatching etc. can cause the fluctuation continuously and healthily of car body internal loading demand, to reach lifting electric automobile mileage number, extend power The purpose of battery, the in-car comfort level of reconstruction.
For up to this purpose, the utility model provides a kind of electric automobile air-conditioning system based on phase-change accumulation energy, including electric power Module and heating power module two parts;
The power module includes charging inlet, battery pack, minitype air conditioner and blower fan;The charging inlet connects electronic vapour Automobile-used electric equipment and charging pile, for realizing the charging to battery pack and the power supply to minitype air conditioner;The battery pack and battery Management system is connected and is controlled by it, for providing power and illumination for electric automobile and providing electric power for blower fan, and in phase Powered during the hot/cold amount deficiency for becoming energy-storage module storage into minitype air conditioner to adjust the air themperature in electric automobile;It is described small Type air-conditioning contains heating and refrigeration mode, is connected with phase-change accumulation energy module, may be implemented in during charging electric vehicle to phase transformation Energy-storage module carries out filling cold heat;The blower fan is connected with battery pack, for realizing in-car air circulation and car ventilating, leads to Cross and be drawn in-car air or outdoor fresh air the cold heat amount stored in phase-change accumulation energy module is transferred to air outlet;
The heating power module includes heat management system, triple valve 6a, phase-change accumulation energy module, air outlet, triple valve 6b and three Port valve 6c;The heat management system is connected with triple valve 6c, and the hot/cold wind of phase-change accumulation energy module is introduced to adjust by triple valve 6c The environment temperature of batteries group, solve battery pack and worked in the case of too high or too low for temperature and cause heat dissipation or thermal runaway to be asked Topic, lift battery pack overall performance;The triple valve 6a is connected with minitype air conditioner, blower fan and phase-change accumulation energy module, for small-sized Isolation when air-conditioning does not start, to reduce windage, improve efficiency;The phase-change accumulation energy module be located at minitype air conditioner and air outlet it Between, it is internal containing phase-change material and heat transfer enhancement unit;Wherein phase-change material is used to store hot/cold amount to adjust in electric automobile Air themperature, heat transfer enhancement unit is used to improve the heat transfer property of phase-change accumulation energy module, improves its response speed;The air-out Mouthful it is located at phase-change accumulation energy module rear end, different parts are arranged to multiple in the car for it, for by the hot/cold in phase-change accumulation energy module Amount is transferred to in-car;The triple valve 6b is located at blower fan front end and controlled by control system of electric automobile, allow blower fan according to User's request and vehicle interior temperature situation introduce the outer fresh air of car or in-car circulated air, improve air adjustment effect;The triple valve 6c It is connected with phase-change accumulation energy module and heat management system, for introducing battery pack from air outlet by hot/cold wind, participates in the heat pipe of battery Reason.
Preferably, the transformation temperature of the phase-change material in the phase-change accumulation energy module is 10-30 DEG C.
Preferably, the material in the phase-change accumulation energy module is organic phase change material, inorganic phase-changing material or organic and inorganic Composite phase-change material.
Preferably, the heat conduction reinforced unit in the phase-change accumulation energy module can be in phase-change material side, ventilation side or both sides Have;The heat conduction reinforced unit can be fin, special-shaped pipeline or face coat;The fin shape can be longitudinal wing Piece, transverse fin or longitudinal direction-empir-ical formulation fin, fin distribution mode include piece for uniform or non-uniform Distribution, fin shape Shape, needle-like or ring-type, wherein plate fins can be square fin or helical fin;Fin material includes copper, aluminium, steel, iron, carbon materials Material or carborundum.
Preferably, the phase-change accumulation energy module is filled hot/cold process and charging electric vehicle while carried out.
Preferably, the phase-change accumulation energy module could be arranged to single or multiple submodules, and its position can be distributed in electronic In automobile inner top, bottom or seat, it can also be integrated into the anterior cabinet or boot of automobile.
The beneficial effects of the utility model are:Substitute the function of the former mechanical air conditioner device in part using phase change energy storage technology, The weight and energy consumption of mounted air conditioner system are reduced, improves electric automobile mileage and electrokinetic cell life-span, improves comfort level.Phase transformation is stored up Can module fill hot/cold process and can be completed when electric car charges, batteries of electric automobile institute storing up electricity is mainly used in power Driving.Utilize suction exothermic character of the phase-change material when temperature reaches transformation temperature or so, Effective Regulation vehicle interior temperature.Using heat transfer Strengthen the phase-change accumulation energy module of unit, improve the speed and controllability for absorbing or releasing energy, overcome traditional heat accumulation/refrigeration technique The problem of heat transfer rate is slow, effectively reduces the fluctuation of air-conditioning system leaving air temp, and lifting mounted air conditioner system adapts to quick environment The performance of change.This technology can provide help to the heat management of battery simultaneously, increase the security of electric automobile.
Brief description of the drawings
Fig. 1 is a kind of electric automobile air-conditioning system based on phase-change accumulation energy provided for the utility model embodiment Structural representation;
Fig. 2 is a kind of electric automobile air-conditioning system based on phase-change accumulation energy provided for the utility model embodiment Phase-change accumulation energy module let cool curve;
Fig. 3 is a kind of electric automobile air-conditioning system based on phase-change accumulation energy provided for the utility model embodiment Phase-change accumulation energy module exotherm.
In Fig. 1:1st, charging inlet;2nd, battery pack;3rd, heat management system;4th, minitype air conditioner;5th, blower fan;6a, 6b, 6c, three Port valve;7th, phase-change accumulation energy module;8th, air outlet
Embodiment
Fig. 1 is a kind of electric automobile air-conditioning system based on phase-change accumulation energy that the utility model embodiment provides Structural representation, Fig. 2 are a kind of electric automobile air conditioners based on phase-change accumulation energy provided for the utility model embodiment The phase-change accumulation energy module of system lets cool curve, and Fig. 3 is to be stored up for one kind that the utility model embodiment provides based on phase transformation The phase-change accumulation energy module exotherm of the electric automobile air-conditioning system of energy;Enter one below in conjunction with the accompanying drawings and by specific embodiment Step explanation the technical solution of the utility model.
Embodiment 1
Summer electric automobile needs cooling, is filled simultaneously in charging electric vehicle cold.Now, air outlet (8) is closed, small-sized Air-conditioning (4) is connected with charging inlet (1), freezes and cold is transferred into phase-change accumulation energy module (7) by blower fan (5) so that phase The phase-change material become in energy-storage module (7) undergoes phase transition and stores cold;Charging electric vehicle is finished and in use, closed small-sized Air-conditioning (4), air outlet (8) is opened, and the outer fresh air of car is introduced with in-car circulated air to ensure in-car by regulating three-way valve (6b) Temperature reaches design temperature.It is to use about 8 kilograms of phase transition temperatures to be stored up for 15-25 DEG C of wide temperature range phase-change material shown in Fig. 2 The experimental result of energy, wherein temperature are represented using dimensionless form.When extraneous fresh inlet wind-warm syndrome be 35 DEG C, wind speed 1.2m/s, Outlet temperature is reduced to about 15 DEG C after phase-change accumulation energy module (7), and after being mixed with in-car 28 DEG C circulated air, temperature stabilization exists 20-22℃.From Figure 2 it can be seen that 1h can last about using about 5 kilograms of the total discharging cold course of phase-change accumulation energy module (7).Embodiment 2
Winter electric automobile needs heat supply, fills heat simultaneously in charging electric vehicle.Now, air outlet (8) is closed, small-sized Air-conditioning (4) heats and transfers heat to phase-change accumulation energy module (7) by blower fan (5) so that answering in phase-change accumulation energy module (7) Phase-change material is closed to undergo phase transition and store heat;Charging electric vehicle finishes progress in use, closing minitype air conditioner (4), opens Air outlet (8), and the outer fresh air of car is introduced with in-car circulated air to ensure that vehicle interior temperature reaches setting by regulating three-way valve (6b) Temperature.It is the experimental result for using about 8 kilograms of phase transition temperatures to carry out energy storage for 15-25 DEG C of wide temperature range phase-change material shown in Fig. 3, Wherein temperature is represented using dimensionless form.When heat release, import wind-warm syndrome is 11 DEG C, wind speed 1.2m/s, by phase-change accumulation energy module (7) outlet temperature is increased to about 32 DEG C afterwards, and after being mixed with in-car about 10 DEG C circulated air, vehicle interior temperature is about 20-22 DEG C.By scheming 3 is visible, and total exothermic process using about 8 kilograms of phase-change accumulation energy module (7) lasts about 2h.
Embodiment 3
When heat or the cold release of phase-change accumulation energy module (7) memory storage finish and can not fill energy in time (such as when long Between when blocking up), driven by power minitype air conditioner (4) heating can be provided by battery pack or freezed to meet the emergent confession of electric automobile Heat or cooling needs.
The utility model is described by embodiment, and those skilled in the art know, new not departing from this practicality In the case of the spirit and scope of type, various changes or equivalence replacement can be carried out to these features and embodiment.In addition, at this Under the guidance of utility model, these features and embodiment can be modified with adapt to particular situation and material without departing from Spirit and scope of the present utility model.Therefore, the utility model is not limited to the particular embodiment disclosed, Suo Youluo Enter the scope that the embodiment in claims hereof belongs to the utility model protection.

Claims (6)

1. a kind of electric automobile air-conditioning system based on phase-change accumulation energy, including power module and heating power module, it is characterised in that:Institute Stating power module includes charging inlet (1), battery pack (2), minitype air conditioner (4) and blower fan (5);Charging inlet (1) connection Electric automobile electrical equipment and charging pile, for realizing the charging to battery pack (2) and the power supply to minitype air conditioner (4);It is described Battery pack (2) is connected with heat management system (3), for providing power and illumination for electric automobile and being that blower fan (5) provides electricity Power, and powered in the hot/cold amount deficiency of phase-change accumulation energy module (7) storage for minitype air conditioner (4) to adjust in electric automobile Air themperature;The minitype air conditioner (4) includes heating and refrigeration work pattern, is connected with phase-change accumulation energy module (7), may be implemented in Phase-change accumulation energy module (7) is carried out filling cold heat while charging electric vehicle;The blower fan (5) is connected with battery pack (2), uses In realizing in-car air circulation and car ventilating, by being drawn in-car air or outdoor fresh air by phase-change accumulation energy module (7) The cold heat amount of storage is transferred to air outlet (8);
The heating power module includes heat management system (3), triple valve (6a), phase-change accumulation energy module (7), air outlet (8), triple valve (6b) and triple valve (6c);The heat management system (3) is connected with triple valve (6c), and phase-change accumulation energy is introduced by triple valve (6c) The hot/cold wind of module (7) solves battery pack (2) in the case of too high or too low for temperature with the environment temperature of regulating cell group (2) Work and cause heat dissipation or thermal runaway problem, lift battery pack (2) overall performance;The triple valve (6a) and minitype air conditioner (4), blower fan (5) is connected with phase-change accumulation energy module (7), isolation when need not start for minitype air conditioner (4), to reduce wind Resistance, improve efficiency;The phase-change accumulation energy module (7) is located between minitype air conditioner (4) and air outlet (8), its internal material containing phase transformation Material and augmentation of heat transfer unit;Wherein phase-change material is used to store hot/cold amount to adjust the air themperature in electric automobile, and reinforcing passes Hot cell is used for the heat transfer property for improving phase-change accumulation energy module (7);The air outlet (8) is located at phase-change accumulation energy module (7) rear end, Multiple outlets can be set different parts in the car, for the hot/cold amount in phase-change accumulation energy module (7) to be transferred into in-car;It is described Triple valve (6b) is located at blower fan (5) front end and controlled by control system of electric automobile, make blower fan (5) can according to user's request and Vehicle interior temperature situation introduces the outer fresh air of car or in-car circulated air, improves air adjustment effect;The triple valve (6c) is stored up with phase transformation Energy module (7) and heat management system (3) are connected, and for introducing battery pack (2) from air outlet (8) by hot/cold wind, participate in battery Heat management.
A kind of 2. electric automobile air-conditioning system based on phase-change accumulation energy according to claim 1, it is characterised in that:The phase Become the transformation temperature of energy-storage module (7) interior phase-change material as 10-30 DEG C.
A kind of 3. electric automobile air-conditioning system based on phase-change accumulation energy according to claim 1, it is characterised in that:The phase The material become in energy-storage module (7) is organic phase change material, inorganic phase-changing material or Organic-inorganic composite phase-change material.
A kind of 4. electric automobile air-conditioning system based on phase-change accumulation energy according to claim 1, it is characterised in that:The phase The heat conduction reinforced unit become in energy-storage module (7) can have in phase-change material side, ventilation side or both sides;The heat conduction reinforced list Member can be fin, special-shaped pipeline or face coat;The fin shape can be longitudinal fin, transverse fin or longitudinal direction-horizontal stroke To mixing fin, fin distribution mode includes sheet, needle-like or ring-type, wherein piece for uniform or non-uniform Distribution, fin shape Shape fin can be square fin or helical fin;Fin material includes copper, aluminium, steel, iron, carbon material or carborundum.
A kind of 5. electric automobile air-conditioning system based on phase-change accumulation energy according to claim 1, it is characterised in that:The phase Become filling hot/cold process and charging electric vehicle while carrying out for energy-storage module (7).
A kind of 6. electric automobile air-conditioning system based on phase-change accumulation energy according to claim 1, it is characterised in that:The phase Become energy-storage module (7) and could be arranged to single or multiple submodules, its position can be distributed in electric automobile inner top, bottom or seat In position, it can also be integrated into the anterior cabinet or boot of electric automobile.
CN201720823475.XU 2017-07-06 2017-07-06 A kind of electric automobile air-conditioning system based on phase-change accumulation energy Active CN207015112U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107696823A (en) * 2017-07-06 2018-02-16 丁玉龙 A kind of electric automobile air conditioner technology and system based on phase-change accumulation energy
CN112820976A (en) * 2021-01-06 2021-05-18 张展浩 Battery heat exchange fan system of electric vehicle and control method thereof
US11890956B2 (en) 2018-02-21 2024-02-06 The University Of Birmingham Thermal management of vehicle systems using thermal energy storage on the vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107696823A (en) * 2017-07-06 2018-02-16 丁玉龙 A kind of electric automobile air conditioner technology and system based on phase-change accumulation energy
US11890956B2 (en) 2018-02-21 2024-02-06 The University Of Birmingham Thermal management of vehicle systems using thermal energy storage on the vehicle
CN112820976A (en) * 2021-01-06 2021-05-18 张展浩 Battery heat exchange fan system of electric vehicle and control method thereof
CN112820976B (en) * 2021-01-06 2022-05-13 张展浩 Battery heat exchange fan system of electric vehicle and control method thereof

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