CN207459117U - A kind of pure electric vehicle Vehicular battery bag heating system - Google Patents
A kind of pure electric vehicle Vehicular battery bag heating system Download PDFInfo
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- CN207459117U CN207459117U CN201721176703.5U CN201721176703U CN207459117U CN 207459117 U CN207459117 U CN 207459117U CN 201721176703 U CN201721176703 U CN 201721176703U CN 207459117 U CN207459117 U CN 207459117U
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- battery pack
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a kind of pure electric vehicle Vehicular battery bag heating systems, belong to pure electric automobile technical field.The system comprises：Power drive system pipeline, the power drive system are used to provide driving force for vehicle, and the power drive system pipeline connects to form SAPMAC method circuit with circulating pump one, valve one, radiator；First heat cycles circuit is made of the SAPMAC method circuit branch entrance, circulating pump two, valve two, heat exchanger, the SAPMAC method circuit branch outlet；Circulation loop in battery pack system is connected with the heat exchanger by battery pack system pipeline and formed.The utility model can ensure that battery pack keeps better suited temperature, ensure battery pack system performance, and reach reasonable using the interior energy, energy saving good result, can be widely applied to the correlative technology field of the battery pack heating of large-capacity battery pack heating especially pure electric vehicle.
Description
Technical field
The utility model is related to pure electric automobile technical field, more particularly to a kind of pure electric vehicle Vehicular battery bag heating system
System.
Background technology
With Global Oil resource exhaustion and national emission regulation it is harsh, electric vehicle is due to the use of reproducible electricity
Energy resource, cleanliness without any pollution are increasingly paid attention to be subject to domestic major vehicle factor.Major vehicle factor competitively puts into huge manpower
Material resources remove research and development hybrid electric vehicle, pure electric vehicle, plug-in hybrid electric vehicle etc., but due to hybrid electric vehicle, plug-in mixing
Power car technical threshold is higher, and pure electric vehicle is considered as the direction that domestic vehicle factor bend is overtaken other vehicles, at present internal vapor car market
Field emerges large quantities of pure electric automobiles.
Domestic pure electric automobile is generally using the air-cooled large-capacity battery pack of no heating function, but current large-capacity battery pack
There is cryogenic property attenuation it is serious, be short of power, efficiency it is low, and the low temperature charging time is long, the problems such as being not fully filled, due to
Air-cooled battery pack also can not just be effectively improved these problems without heating function.
Utility model content
In order to solve problem of the prior art, the utility model embodiment provides a kind of pure electric vehicle Vehicular battery bag heating
System.The technical solution is as follows：
A kind of pure electric vehicle Vehicular battery bag heating system is provided, including：
Power drive system pipeline, the power drive system are used to provide driving force, the power drive system pipeline for vehicle
It connects to form SAPMAC method circuit with circulating pump one, valve one, radiator；
First heat cycles circuit, by the SAPMAC method circuit branch entrance, circulating pump two, valve two, heat exchanger, institute
State SAPMAC method circuit branch outlet composition；
Circulation loop in battery pack system is connected with the heat exchanger by battery pack system pipeline and formed.
Preferably, the power drive system includes driving motor, LE, DCDC and electric air-conditioning, and the valve one is bilateral
Valve, two valve ports of the valve one connect respectively with the radiator water inlet and the electric air-conditioning water inlet, described electronic
Air-conditioner water outlet mouth is connected with the radiator water inlet.
Preferably, the battery pack system pipeline is made of circulating pump three, battery pack pipeline, charger pipeline connection.
Preferably, the system also includes：Second heat cycles circuit, by electric heat-producing machine, valve three, circulating pump four, institute
Heat exchanger connection is stated to form.
Preferably, the electric heat-producing machine is connected with valve four, circulating pump five, warm-air exchanger forms warm wind circulation loop.
Preferably, the heat exchanger is bilateral channel heat exchanger.
Preferably, the system also includes compensator equipment, the compensator equipment and the power drive system pipeline, the
Circulation loop connects in one heat cycles circuit, the second heat cycles circuit, warm wind circulation loop and/or battery pack system, institute
Compensator equipment is stated for carrying out automatic compensating operation and the bleeding of the hot circulating medium.
Preferably, the system also includes control device, the control device is with including the radiator, heat exchange in system
All electric devices electrical connection of device, circulating pump one, circulating pump two, valve one, valve two, the control device are whole for controlling
The flow direction and flow of hot circulating medium in a system pipeline.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
The battery pack heating system that the utility model embodiment provides, increases outside the SAPMAC method circuit of power drive system
New heat cycles circuit, the heat cycles circuit and battery pack system pipeline connection, the waste heat generated using power drive system
It is heated for battery pack, achieves following excellent technique effect compared with prior art：
1st, by the heat cycles circuit with power drive system SAPMAC method circuit communication, current pure electric vehicle battery is changed
The technological deficiency that air-cooled technology cannot heat is wrapped, realizes effective heating to battery pack, solves vehicle at low temperature when driving,
The attenuation of battery pack charging and discharging capabilities is serious, is short of power, the technical issues of efficiency is low, so as to improve vehicle low temperature driving performance and
Efficiency；
2nd, since the waste heat generated by the use of power drive system work heats battery pack as heat source, vehicle energy is not consumed,
Reach reasonable and utilized the interior energy, energy saving good result；
3rd, a heat cycles circuit only need to be added outside power drive system SAPMAC method circuit, can realize has battery pack
Heating function is imitated, simple in structure, easy to operate, cost is smaller.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides；
Fig. 2 is the power drive system SAPMAC method circuit operation control for the battery pack heating system that the utility model embodiment provides
Flow chart processed；
Fig. 3 is the first heat cycles circuit operation control stream for the battery pack heating system that the utility model embodiment provides
Cheng Tu；
Fig. 4 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides；
Fig. 5 is the second heat cycles circuit operation control stream for the battery pack heating system that the utility model embodiment provides
Cheng Tu；
Fig. 6 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides；
Fig. 7 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides；
Fig. 8 is the heating operation control flow chart for the battery pack heating system that the utility model embodiment provides.
Wherein, the reference numerals are as follows：
One-P1 of circulating pump, two-P2 of circulating pump, three-P3 of circulating pump, four-P4 of circulating pump, five-P5 of circulating pump, one-valve of valve
Door 1, two-valve of valve 2, three-valve of valve 3, four-valve of valve 4.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
It is only the utility model part of the embodiment to apply example, instead of all the embodiments.Based on the embodiment in the utility model,
Those of ordinary skill in the art's all other embodiments obtained without making creative work, belong to this reality
With novel protected scope.
It should be noted that the terms such as " first ", " second ", " component one ", " component two ", " step A ", " step a " are only
For descriptive purposes, and it is not intended that instruction or hint relative importance or the implicit number for indicating indicated technical characteristic
Amount.One or more spy can be expressed or implicitly include by defining the feature of " first ", " second " etc. as a result,
Sign.In the description of the utility model, " multiple " are meant that two or more, unless otherwise specifically defined.
The utility model embodiment provides a kind of pure electric vehicle Vehicular battery bag heating system, and cold in power drive system follows
Increase new heat cycles circuit outside loop back path, the heat cycles circuit and battery pack system pipeline connection utilize electric drive
The waste heat that system generates heats for battery pack so that battery pack keeps better suited temperature, ensures battery pack system performance, avoids
The cryogenic property attenuation that generates when battery pack temperature is too low is serious, be short of power, efficiency is low, the low temperature charging time is long, fills
The problems such as discontented, and reached reasonable using the interior energy, energy saving good result, it can be widely applied to large capacity electricity
The correlative technology field of the battery pack heating of Chi Bao heating especially pure electric vehicle.
System is heated to the pure electric vehicle Vehicular battery bag that the utility model embodiment provides below in conjunction with embodiment and attached drawing
System illustrates.
Fig. 1 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides.Such as Fig. 1 institutes
Show, the pure electric vehicle Vehicular battery bag heating system that the utility model embodiment provides, including：Power drive system pipeline, first add
Circulation loop in soft circulation circuit and battery pack system.
Specifically, power drive system pipeline is the pipeline set around the power drive system of vehicle, for for electric drive trains
System heat dissipation, power drive system are mainly used for providing driving force for vehicle, and power drive system pipeline is connected with P1, valve 1, radiator
SAPMAC method circuit is formed, P1 is used to provide the SAPMAC method power in SAPMAC method circuit, and valve 1 is used to be situated between to the cycling in SAPMAC method circuit
Whether matter, which circulates or flow to, is controlled.Preferably, power drive system includes driving motor, LE, DCDC and electric air-conditioning, valve
1 is two-way valve, and two valve ports of valve 1 connect respectively with radiator water inlet and electric air-conditioning water inlet, electric air-conditioning water outlet
It is connected with radiator water inlet, radiator passes through valve one while the other parts to power drive system radiate
It controls to decide whether to radiate to electric air-conditioning.
Increase by the first heat cycles circuit on the basis of above-mentioned SAPMAC method circuit, it can be right by the heat cycles circuit
The battery pack system of vehicle is heated.The first heat cycles circuit by above-mentioned SAPMAC method circuit branch entrance, P2, valve 2,
Heat exchanger, above-mentioned SAPMAC method circuit branch outlet are formed.P2 is used to provide circulation power for the first heat cycles circuit,
Valve 2 is used to control whether the circulatory mediator in the first heat cycles circuit circulates or flow to.
In addition, battery pack heating system further includes circulation loop in battery pack system, by battery pack system pipeline and first
Above-mentioned heat exchanger connection in heat cycles circuit is formed, and battery pack system pipeline is the connection set around battery pack system
Pipeline heats for interior battery pack to battery pack system etc..
Fig. 2 is the power drive system SAPMAC method circuit operation control for the battery pack heating system that the utility model embodiment provides
Flow chart processed, Fig. 3 are the first heat cycles circuit operation control for the battery pack heating system that the utility model embodiment provides
Flow chart.As shown in Fig. 2, the power drive system SAPMAC method circuit behaviour for the battery pack heating system that the utility model embodiment provides
Making control flow can carry out according to the following procedure：
The SAPMAC method of power drive system is first turned on, P1 starts, and valve 1 leads to heat sink side, then judges electric air-conditioning
Whether need to cool down, if so, the valve port that valve 1 leads to electric air-conditioning side is opened, be followed if it is not, then returning to previous step
Ring, until terminating.
As shown in figure 3, the first heat cycles circuit operation of the battery pack heating system that the utility model embodiment provides
Control flow can carry out according to the following procedure：
Normally start power drive system SAPMAC method first, P2 does not start, and valve 2 is not turned on, that is, is closed, then
Whether have demand for heat, if it is not, returning to previous step Xun Huan if judging the battery pack of battery pack system；If so, further judge
Whether meet vehicle operation and power drive system coolant temperature is higher than battery pack temperature, return to previous step cycle if not, if
It is that valve 2 turns on, that is, opens valve 2, until terminates.
The utility model embodiment solves tradition by providing the pure electric vehicle Vehicular battery bag heating system of above-mentioned setting
The technological deficiency that cannot heat of the air-cooled technology of pure electric vehicle Vehicular battery bag, can not only using this kind of simple heat cycles circuit
It is enough to be heated in low temperature for battery pack system, so as to ensure the performance of battery pack, and due to the heat cycles circuit
Heating source comes from the waste heat that the original power drive system SAPMAC method circuit of vehicle generates, therefore has reached reasonable and utilized the vehicle energy
Purpose, reduce the wasting of resources.
Preferably, above-mentioned battery pack system pipeline is made of P3, battery pack pipeline, charger pipeline connection.The battery pack
Around the connected loop of the settings such as battery pack, charger in battery pack system, circulating pump 3 cycles dynamic system pipeline for offer
Power, the battery pack coolant after heating heat to battery pack during cycling, complete circulation loop in battery pack system, follow
Endless path is P3- battery pack-heat exchangers-charger-P3.The rate of battery pack coolant heating battery pack in battery pack system
It can be realized with heating uniformity by adjusting P3 power.
Fig. 4 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides.Preferably,
As shown in figure 4, battery pack heating system further includes the second heat cycles circuit, added by electric heat-producing machine, valve 3, P4, above-mentioned first
The heat exchanger connection of soft circulation circuit is formed.For P4 for providing circulation power, circulating path is electric heat-producing machine outlet-valve 3-
P4- heat exchangers-electricity heat-producing machine entrance, the coolant of electric heat-producing machine heating carry out again battery pack coolant by heat exchanger
Heating, battery pack coolant carry out cycle so as to being heated to battery pack in battery pack system, and the purpose so set is,
Outside the first heat cycles circuit, it is further added by realizing the second heat cycles circuit of heating by electric heat-producing machine, it so can be with
Meet and be unsatisfactory for battery pack heating condition or the first heat cycles circuit to the underheated situation of battery pack in power drive system
Under, ensure the abundant and appropriate heating function to battery pack.
Fig. 5 is the second heat cycles circuit operation control stream for the battery pack heating system that the utility model embodiment provides
Cheng Tu.As shown in figure 5, the second heat cycles circuit operation control for the battery pack heating system that the utility model embodiment provides
Flow can carry out according to the following procedure：
Start electric heat-producing machine heating function, P4 does not start, and valve 3 is not turned on, and then judges whether that electric heat-producing machine is needed to add
Heat, if it is not, returning to previous step Xun Huan；If so, opening valve 3, valve 3 turns on, and P4 starts, until terminating.
Fig. 6 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides, in addition excellent
Selection of land, as shown in fig. 6, electric heat-producing machine connects with valve 4, P5, warm-air exchanger and forms warm wind circulation loop, that is to say, that electricity
For heat-producing machine outside meeting to battery pack heating function, it is to provide warm wind for vehicle to also have another effect.Furtherly, originally
To provide in the electric heat-producing machine that vehicle warm wind is set, the i.e. above-mentioned second circulation circuit of another circulation loop can be increased, with
Just the heating to another approach of battery pack is realized.Certainly, if in vehicle and in the case of being not provided with electric heat-producing machine, equally also may be used
To increase electric heat-producing machine and corresponding heat cycles circuit as needed.Such set-up mode, energy in battery pack heating system
Enough while battery pack heating function is ensured, the reasonable utilization of the energy in vehicle is further realized
Preferably, the heat exchanger in the battery pack heating system that the utility model embodiment provides is handed over using binary channels heat
Parallel operation carries out reasonable distribution according to vehicle operating status, battery pack temperature conditions, can either be simultaneously using two heat sources to battery
Bag coolant heats, and the heat source that also can be used alone heats battery pack coolant, convenient for entire battery pack heating system
It is more preferable to realize and favorably control.It should be noted that the bilateral channel heat exchanger that the utility model embodiment uses may be employed
Any binary channels heat-exchange apparatus in the cards, the utility model do not limit it especially in the prior art.
Fig. 7 is the pure electric vehicle Vehicular battery bag heating system structure diagram that the utility model embodiment provides.Preferably,
As shown in fig. 7, above-mentioned battery pack heating system further includes compensator equipment, the compensator equipment and power drive system pipeline, the
Circulation loop connects in one heat cycles circuit, the second heat cycles circuit, warm wind circulation loop and/or battery pack system, should
Compensator equipment is used to carry out automatic compensating operation and the bleeding of hot circulating medium or circulating cooling liquid.Additionally preferably,
The hot circulating medium or coolant that whole system pipeline uses is 50% water and 50% ethylene glycol mixture.
Preferably, above-mentioned battery pack solution hot systems further include control device, and the control device is with including described dissipate in system
All electric devices electrical connection of hot device, heat exchanger, P1, P2, valve 1, valve 2, the control device are used for through control
Electric device is stated to control the flow direction and flow of hot circulating medium in whole system pipeline.Preferably the control device can be whole
Vehicle controller is arranged in entire car controller.It should be noted that it is adopted in the utility model embodiment battery pack heating system
All valves, all circulating pumps can select different types of valve or pump according to actual needs, as long as it can meet clothes
It is engaged in that in the function of the utility model embodiment, such as valve two-way valve etc. can be selected, reduces valve number in some cases
While amount, multi-center selection control is realized.
Fig. 8 is the heating operation control flow chart for the battery pack heating system that the utility model embodiment provides.Such as Fig. 8 institutes
Show, when battery pack heating system concentrated the first heat cycles circuit, the second heat cycles circuit, is recycled back in battery pack system
Road is when multiple circulation loops, as shown in figure 8, the battery pack heating system heats operation control that the utility model embodiment provides
Flow can carry out according to the following procedure：
A, the SAPMAC method circuit of power drive system is opened, P2 and P4 are closed, and valve 2 and valve 3 are in and do not lead
Logical state；
B, P3 starts default low-power；
C, real time monitoring and judge whether battery pack system has demand for heat, if it is not, returning to step b cycles；If so, into one
Step judges whether battery pack temperature is less than preset limit value, if so, into d1 steps；If it is not, into d2 steps, wherein,
D1, P3 is promoted to default middle power, judge whether to meet vehicle operation and power drive system coolant temperature is higher than
Battery pack system temperature, if so, opening the valve 2, P2；If it is not, Open valve 3, the P4；
D2, P3 is promoted to default high power, judge whether to meet vehicle operation and power drive system coolant temperature is higher than
Battery pack system temperature, if so, Open valve 2, P2, valve 3, P4；If it is not, Open valve 3, P4.
It should be noted that according to the requirement of cycle battery bag demand for heat and flow in battery pack system, can pass through
It adjusts the power of P3 and achievees the purpose that adjust circular flow, default low-power, default middle power and default high power here
It is to define for ease of description, presetting high power has performance number more higher than power in presetting, and power has in presetting
Performance number more higher than default low-power, specific performance number can determine according to actual conditions, certainly by above-mentioned means into
The concrete mode that row adjusts circular flow is not limited to such classification or definition.
Above-mentioned all optional technical solutions, may be employed the alternative embodiment that any combination forms the utility model, herein
It does not repeat one by one.
In conclusion the battery pack heating system that the utility model embodiment provides, is returned in the SAPMAC method of power drive system
Increase new heat cycles circuit outside road, the heat cycles circuit and battery pack system pipeline connection utilize power drive system
The waste heat of generation heats for battery pack, achieves following excellent technique effect compared with prior art：
1st, by the heat cycles circuit with power drive system SAPMAC method circuit communication, current pure electric vehicle battery is changed
The technological deficiency that air-cooled technology cannot heat is wrapped, realizes effective heating to battery pack, solves vehicle at low temperature when driving,
The attenuation of battery pack charging and discharging capabilities is serious, is short of power, the technical issues of efficiency is low, so as to improve vehicle low temperature driving performance and
Efficiency；
2nd, since the waste heat generated by the use of power drive system work heats battery pack as heat source, vehicle energy is not consumed,
Reach reasonable and utilized the interior energy, energy saving good result；
3rd, a heat cycles circuit only need to be added outside power drive system SAPMAC method circuit, can realize has battery pack
Heating function is imitated, simple in structure, easy to operate, cost is smaller.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of pure electric vehicle Vehicular battery bag heating system, which is characterized in that including：
Power drive system pipeline, the power drive system are used to provide driving force for vehicle, and the power drive system pipeline is with following
Ring pump one, valve one, radiator connect to form SAPMAC method circuit；
First heat cycles circuit, by the branch entrance in the SAPMAC method circuit, circulating pump two, valve two, heat exchanger, described
The branch outlet in SAPMAC method circuit is formed；
Circulation loop in battery pack system is connected with the heat exchanger by battery pack system pipeline and formed.
2. system according to claim 1, which is characterized in that the power drive system include driving motor, LE, DCDC and
Electric air-conditioning, the valve one are two-way valve, two valve ports of the valve one respectively with the radiator water inlet and the electricity
Dynamic air-conditioning water inlet connection, the electric air-conditioning water outlet are connected with the radiator water inlet.
3. system according to claim 1, which is characterized in that the battery pack system pipeline is by circulating pump three, battery
Assure road, charger pipeline connection is formed.
4. system according to claim 1, which is characterized in that the system also includes：
Second heat cycles circuit is made of electric heat-producing machine, valve three, circulating pump four, heat exchanger connection.
5. system according to claim 4, which is characterized in that the electricity heat-producing machine is changed with valve four, circulating pump five, warm wind
Hot device connection forms warm wind circulation loop.
6. system according to claim 4, which is characterized in that the heat exchanger is bilateral channel heat exchanger.
7. system according to claim 4, which is characterized in that the system also includes compensator equipment, the compensator
Equipment and the power drive system pipeline, the first heat cycles circuit, the second heat cycles circuit, warm wind circulation loop and/or
Circulation loop connects in battery pack system, and the compensator equipment is used to carry out automatic compensating operation and the exhaust of hot circulating medium
Operation.
8. system according to any one of claims 1 to 7, which is characterized in that the system also includes control device, the controls
Device processed is with including the radiator, heat exchanger, circulating pump one, circulating pump two, valve one, all electricity of valve two in system
Device of air is electrically connected, and the control device is used to control the flow direction and flow of hot circulating medium in whole system pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176703.5U CN207459117U (en) | 2017-09-14 | 2017-09-14 | A kind of pure electric vehicle Vehicular battery bag heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176703.5U CN207459117U (en) | 2017-09-14 | 2017-09-14 | A kind of pure electric vehicle Vehicular battery bag heating system |
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| CN207459117U true CN207459117U (en) | 2018-06-05 |
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ID=62283045
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| CN201721176703.5U Active CN207459117U (en) | 2017-09-14 | 2017-09-14 | A kind of pure electric vehicle Vehicular battery bag heating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207459117U (en) |
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2017
- 2017-09-14 CN CN201721176703.5U patent/CN207459117U/en active Active
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