CN207559018U - A kind of automobile power cell group temperature control device based on liquid medium - Google Patents
A kind of automobile power cell group temperature control device based on liquid medium Download PDFInfo
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- CN207559018U CN207559018U CN201721848858.9U CN201721848858U CN207559018U CN 207559018 U CN207559018 U CN 207559018U CN 201721848858 U CN201721848858 U CN 201721848858U CN 207559018 U CN207559018 U CN 207559018U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Temperature control technology field more particularly to a kind of automobile power cell group temperature control device based on liquid medium the utility model is related to automobile power cell group.It is made of water inlet manifold, water inlet pipe, automatically controlled speed governing valve, liquid cooling plate, exit branch, thermocouple, outfall sewer, battery cell, radiator, cooling water tank, constant pressure pump, heating coil, electric-controlled switch, electronic control unit, is connected on automobile and with the ECU of automobile.In the battery cell both ends of the surface of automobile batteries group, liquid cooling plate is installed respectively and forms battery pack temperature control conduction assembly.When battery cell adstante febre, heat is transmitted to coolant by liquid cooling plate, and coolant is transported to battery pack temperature control conduction assembly again each liquid cooling plate after being cooled down by radiator forms circulating cooling.Thermocouple detects fluid temperature, and the temperature that automatically controlled speed governing valve controls the flow of coolant in liquid cooling plate to adjust each battery cell maintains optimum working temperature state, improves the heat dissipation effect and heat dissipation uniformity of battery pack.
Description
First, technical field
The utility model is related to the temperature control technology fields of automobile power cell group, and liquid medium is based on more particularly, to one kind
Automobile power cell group temperature control device.
2nd, background technology
With the increasingly reduction of the energy, the deterioration of environment, development new-energy automobile is current reduction energy consumption and environment
The effective way of pollution, wherein hybrid vehicle and electric vehicle are the Typical Representatives in new-energy automobile.In this kind of automobile
In, battery cell is usually formed into battery pack in the form of connection in series-parallel, for providing suitable voltage and enough electricity, in automobile
In operational process, the internal resistance of chemical reaction and battery in itself due to inside battery acts on, in the temperature meeting constantly of battery cell
It rises；Simultaneously because cause between each battery cell there are the difference of the internal resistance of cell caused by foozle and internal chemical ingredient
The calorific value of each battery cell is different, along with positional factor of each battery cell in battery pack, causes each battery cell sheet
Temperature distribution is non-uniform between body and battery cell, so as to influence the service life of battery, safety and reliability.The opposing party
Face, if environment temperature is relatively low, in cold start-up, the electric conductivity of electrical core of power battery and species activity can be affected, so as to drop
Low battery capacity, thus it is particularly important to the temperature control of automobile power cell group.
The radiating mode of automobile power cell group generally use mainly has air-cooled and cold two kinds of liquid at present.Wind-cooling heat dissipating mode
It divulges information into battery pack, heat is taken away by the heat convection of air and battery pack, and liquid-cooling heat radiation mode then passes through liquid
It is directly or indirectly contacted with battery, heat is taken away by convection current.China State Intellectual Property Office Patent Office was in 04 month 2016 13
Disclose a Publication No. CN9548121267A days, it is entitled " the battery pack radiator of electric vehicle a kind of, system and
Method "；The technology introduces outside air by air blower, by cab air conditioning system cooling air, according to temperature environment
Difference introduces the air-flow of different temperatures to battery pack radiating treatment.But the radiating efficiency of this radiating mode is relatively low, and battery
Temperature uniformity between monomer is poor.China State Intellectual Property Office Patent Office disclosed a disclosure on May 9th, 2017
Number for CN96654417A, entitled " battery liquid cooling apparatus and battery system "；The technology opens up through-hole, through-hole on liquid cooling plate
Interior heating melt material, liquid flows in liquid cooling plate channel takes away heat, when battery temperature is excessively high, hot melt material dissolving, and liquid
Outflow is directly contacted with battery cell, plays the function of extinguishing device.The radiating efficiency of this radiating mode is higher, but due to
Channel is elongated, and higher along stroke pressure loss and the pressure drop of system, the energy expenditure of pump is larger, while the temperature of battery cell in itself
It is bad to spend uniformity, it is also difficult to meet the temperature uniformity requirement of battery pack.
3rd, invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of automobile power electricity based on liquid medium
Pond group temperature control device.
The utility model is combined with the battery cell of automobile power cell group on the automobile, and with the ECU phases of automobile
Connection, technical solution are total by water inlet manifold, water inlet pipe, automatically controlled speed governing valve, liquid cooling plate, exit branch, thermocouple, water outlet
Pipe, battery cell, radiator, cooling water tank, constant pressure pump, heating coil, electronic control unit, control switch composition；
The liquid cooling plate is discharged logical by liquid cooling plate housing, liquid cooling plate intake tunnel, liquid cooling plate Vertical Channel and liquid cooling plate
Road is formed, and liquid cooling plate Vertical Channel is evenly distributed in liquid cooling plate housing, and logical with liquid cooling plate intake tunnel and liquid cooling plate water outlet
Road is connected；In order to increase heat exchange area, preferably fin is uniformly distributed along flow direction in each Vertical Channel internal chamber wall；Liquid is cold
Plate is made from a material that be thermally conductive；
In each battery cell both ends of the surface of equipped automobile power cell group, close installation liquid cooling plate composition is electric respectively
Pond group temperature control conduction assembly, is bonded between liquid cooling plate and battery cell by heat conductive silica gel；In composition battery pack temperature control conduction
On the intake tunnel mouth of each liquid cooling plate of assembly, it is connected by water inlet pipe with water inlet manifold, and at each
Automatically controlled speed governing valve is installed respectively on the water inlet pipe being connected with water inlet manifold；In the every of composition battery pack temperature control conduction assembly
On the exhalant canal mouth of one liquid cooling plate, it is connected by exit branch with outfall sewer, and in each and outfall sewer
Thermocouple is installed respectively on the exit branch being connected；The water inlet manifold of connection water inlet pipe is connected with constant pressure pump, constant pressure pump
The other end be connected with cooling water tank, the other end of cooling water tank is connected with radiator, the other end of radiator and connection
The outfall sewer of exit branch is connected；In the outer of the pipeline that the water inlet manifold being connected with water inlet pipe is connected with constant pressure pump
Heating coil is wound on tube wall；Automatically controlled speed governing valve, thermocouple and heating coil and vehicle electronic control unit ECU are connected to form temperature
Spend control loop；Power battery pack is by controlling switch to be connected with vehicle electronic control unit ECU.
The beneficial effects of the utility model are：
1st, the mode of the active heat removal using liquid medium and with separately adjustable function controls battery pack into trip temperature,
Improve the heat dissipation effect and heat dissipation uniformity of battery pack；
2nd, equally distributed Vertical Channel rectangular rib structures will be designed in liquid cooling plate, and will increase liquid-solid contact face
Product improves the heat dissipation effect and heat dissipation uniformity of battery cell；
3rd, by heating coil, make system that there is low-temperature prewarming startup function, optimize the cold starting property of power battery pack
Energy；
4th, by the way that inlet and outlet to be arranged in the both ends of battery pack, and liquid cooling plate inlet and outlet are arranged
At liquid cooling plate both ends, when each automatically controlled speed governing valve valve port switch size is identical, make the flow in each water inlet pipe identical, respectively
Flow in a liquid cooling plate Vertical Channel is also identical, improves the uniformity of battery pack and battery cell heat dissipation and temperature control effect
Fruit.
4th, it illustrates
Fig. 1 is the whole of the temperature control device that the utility model conducts assembly composition based on the temperature control that 5 battery cells combine
The axonometric drawing of body structure diagram；
Fig. 2 is the shaft side figure of the utility model liquid cooling plate structure diagram；
Fig. 3 is the A-O-A sectional views of the utility model Fig. 2；
Fig. 4 is the B-B sectional views of the utility model Fig. 3；
Fig. 5 is the control circuit system schematic of the utility model；
Fig. 6 is the whole of the temperature control device that the utility model conducts assembly composition based on the temperature control that 4 battery cells combine
The axonometric drawing of body structure diagram.
Reference numeral
1st, water inlet manifold 2, water inlet pipe 3, automatically controlled speed governing valve 3B, automatically controlled speed governing valve 3C, automatically controlled speed governing valve 3D, electricity
Control speed governing valve 3E, automatically controlled speed governing valve 3F, automatically controlled speed governing valve 4, liquid cooling plate 4B, liquid cooling plate 4C, liquid cooling plate 4D, liquid cooling plate
4E, liquid cooling plate 4F, liquid cooling plate 4-1, liquid cooling plate intake tunnel 4-2, liquid cooling plate Vertical Channel 4-3, liquid cooling plate exhalant canal
4-4, liquid cooling plate housing 5, exit branch 6, thermocouple 6B, thermocouple 6C, thermocouple 6D, thermocouple 6E, thermocouple
6F, thermocouple 7, outfall sewer 8, battery cell 8B, battery cell 8C, battery cell 8D, battery cell 8E, battery list
Body 9, radiator 10, cooling water tank 11, constant pressure pump 12, heating coil 13, electronic control unit ECU 14, control switch
5th, specific embodiment
The implementation process of the utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the utility model combines peace with the battery cell 8 of automobile power cell group
It is connected on automobile, and with the ECU 13 of automobile, technical solution is by water inlet manifold 1, water inlet pipe 2, automatically controlled speed governing
Valve 3, liquid cooling plate 4, exit branch 5, thermocouple 6, outfall sewer 7, battery cell 8, radiator 9, cooling water tank 10, constant pressure pump
11st, heating coil 12, electronic control unit ECU 13,14 composition of control switch；
The liquid cooling plate 4 is by liquid cooling plate housing 4-4, liquid cooling plate intake tunnel 4-1, liquid cooling plate Vertical Channel 4-2 and liquid
Cold plate exhalant canal 4-3 is formed, and all liquid cooling plate Vertical Channel 4-2 are of the same size, and are evenly distributed on liquid cooling plate housing
In 4-4, and it is connected with liquid cooling plate intake tunnel 4-1 and liquid cooling plate exhalant canal 4-3；In order to increase heat exchange area, each
Liquid cooling plate Vertical Channel 4-2 internal chamber walls are uniformly distributed fin along flow direction, and liquid cooling plate is made from a material that be thermally conductive；
In each 8 both ends of the surface of battery cell of equipped automobile power cell group, close installation liquid cooling plate 4 is formed respectively
Assembly is conducted in battery pack temperature control, is bonded between liquid cooling plate and battery cell by heat conductive silica gel；It is passed in composition battery pack temperature control
It leads on the intake tunnel 4-1 mouths of each liquid cooling plate 4 of assembly, is connected by water inlet pipe 2 with water inlet manifold 1, and
Automatically controlled speed governing valve 3 is installed on the water inlet pipe 2 that each is connected with water inlet manifold 1；In composition battery pack temperature control conduction group
On the exhalant canal 4-3 mouths of each fit liquid cooling plate 4, it is connected, and every with outfall sewer 7 by exit branch 5
Thermocouple 6 is installed on one exit branch 5 being connected with outfall sewer 7；Connect the water inlet manifold 1 and level pressure of water inlet pipe 2
Pump 11 is connected, and the other end of constant pressure pump 11 is connected with cooling water tank 10, and the other end of cooling water tank 10 is connected with radiator 9
It connects, the other end of radiator 9 is connected with connecting the outfall sewer 7 of exit branch 5；In the water inlet being connected with water inlet pipe 2
Heating coil 12 is wound on the outer tube wall for the pipeline that manifold 1 is connected with constant pressure pump 11；Automatically controlled speed governing valve 3, thermocouple 6 and heating
Coil 12 and vehicle electronic control unit ECU 13 are connected to form temperature control loop, power battery pack by control switch 14 with
Vehicle electronic control unit ECU 13 is connected.
Embodiment one：
As shown in Figure 1, the utility model is applied on the automobile of battery pack being made of 5 battery cells, it is total by intaking
Pipe 1, water inlet pipe 2, automatically controlled speed governing valve 3, liquid cooling plate 4, exit branch 5, thermocouple 6, outfall sewer 7, battery cell 8, heat dissipation
Device 9, cooling water tank 10, constant pressure pump 11, heating coil 12, electronic control unit ECU 13,14 composition of control switch；
As shown in Figure 2, Figure 3, Figure 4, the liquid cooling plate 4 is cold by liquid cooling plate housing 4-4, liquid cooling plate intake tunnel 4-1, liquid
Plate Vertical Channel 4-2 and liquid cooling plate exhalant canal 4-3 is formed, and 5 liquid cooling plate Vertical Channel 4-2 are of the same size, uniformly
It is distributed in liquid cooling plate housing 4-4, and is connected with liquid cooling plate intake tunnel 4-1 and liquid cooling plate exhalant canal 4-3；In order to increase
Heat exchange area is uniformly distributed fin in each liquid cooling plate Vertical Channel 4-2 internal chamber walls along flow direction；Liquid cooling plate is by aluminium alloy material
Material is made；
It is made of in equipped battery cell 8, battery cell 8B, battery cell 8C, battery cell 8D, battery cell 8E
Each battery cell both ends of the surface of automobile power cell group, difference close installation liquid cooling plate 4, liquid cooling plate 4B, liquid cooling plate 4C, liquid
Cold plate 4D, liquid cooling plate 4E, liquid cooling plate 4F, are bonded between liquid cooling plate and battery cell by heat conductive silica gel, are formed to 5 battery lists
The battery pack temperature control conduction assembly of body composition.Lead in the water inlet of each liquid cooling plate of composition battery pack temperature control conduction assembly
On road 4-1 mouths, it is connected by water inlet pipe 2 with water inlet manifold 1, and the water inlet being connected at each with water inlet manifold 1
Automatically controlled speed governing valve 3, automatically controlled speed governing valve 3B, automatically controlled speed governing valve 3C, automatically controlled speed governing valve 3D, automatically controlled speed governing valve are installed respectively on branch pipe 2
3E, automatically controlled speed governing valve 3F；On the exhalant canal 4-3 mouths of each liquid cooling plate 4 of composition battery pack temperature control conduction assembly, lead to
It crosses exit branch 5 with outfall sewer 7 to be connected, and pacifies respectively on the exit branch 5 that each is connected with outfall sewer 7
Fill thermocouple 6, thermocouple 6B, thermocouple 6C, thermocouple 6D, thermocouple 6E, thermocouple 6F；The water inlet for connecting water inlet pipe 2 is total
Pipe 1 is connected with constant pressure pump 11, and the other end of constant pressure pump 11 is connected with cooling water tank 10, and the other end of cooling water tank 10 is with dissipating
Hot device 9 is connected, and the other end of radiator 9 is connected with connecting the outfall sewer 7 of exit branch 5；It is connected with water inlet pipe 2
Heating coil 12 is wound on the outer tube wall of pipeline that the water inlet manifold 1 connect is connected with constant pressure pump 11；It is automatically controlled speed governing valve 3, automatically controlled
Speed governing valve 3B, automatically controlled speed governing valve 3C, automatically controlled speed governing valve 3D, automatically controlled speed governing valve 3E, automatically controlled speed governing valve 3F and thermocouple 6, thermocouple
6B, thermocouple 6C, thermocouple 6D, thermocouple 6E, thermocouple 6F and heating coil 12 and vehicle electronic control unit ECU 13
Temperature control loop is connected to form, power battery pack is by controlling switch 14 to be connected with vehicle electronic control unit ECU 13.
The utility model is applied to the operational process of the automobile power cell group temperature control device of 5 battery cell compositions：
Automobile starting：Under low-temperature condition during automobile starting, start control switch 14 and connect power battery pack power supply, start
Electronic control unit ECU 13 controls heating coil 12 to be powered and 1 tube wall of water inlet manifold is heated.Start constant pressure pump 11 simultaneously, it will be cold
But liquid is transported in water inlet manifold 1 from cooling water tank 10 and heats, and passes through each water inlet pipe 2 and battery pack temperature control conduction combination
The intake tunnel mouth of each liquid cooling plate 4 of body enter liquid cooling plate 4, liquid cooling plate 4B, liquid cooling plate 4C, liquid cooling plate 4D, liquid cooling plate 4E,
Battery cell 8, battery cell 8B, battery cell 8C, battery cell 8D, battery cell 8E are heated in liquid cooling plate 4F.Thermocouple
6th, thermocouple 6B, thermocouple 6C, thermocouple 6D, thermocouple 6E, thermocouple 6F monitor fluid temperature in each exit branch 5, obtain
To corresponding battery cell 8, battery cell 8B, battery cell 8C, battery cell 8D, battery cell 8E temperature conditions, work as temperature
After degree reaches battery operating temperature range, electronic control unit ECU 13 is fed back information to, controls corresponding automatically controlled speed governing valve 3
Or the valve of automatically controlled speed governing valve 3B or automatically controlled speed governing valves 3C or automatically controlled speed governing valves 3D or automatically controlled speed governing valves 3E or automatically controlled speed governing valves 3F
It closes, stops the heating to corresponding battery cell, after all batteries monomer temperature all reaches operating temperature range, electronic control
Unit ECU 13 controls heating coil 12 to power off, and automobile thermal starting is completed.
The utility model is to the cooling temperature control process of battery cell in car running process：It is fixed in car running process
Coolant is transported to from cooling water tank 10 in water inlet manifold 1 by press pump 11, is conducted by each water inlet pipe 2 and battery pack temperature control
The intake tunnel mouth of each liquid cooling plate 4 of assembly enters in liquid cooling plate 4,4B, 4C, 4D, 4E, 4F.Since battery cell is held
Continuous power supply, battery cell heating temp rises, under action of thermal difference, by heat exchange pattern by heat focus on liquid cooling plate 4,
On 4B, 4C, 4D, 4E, 4F, channel flowing of the coolant in liquid cooling plate, heat is transmitted to coolant, is cooled down by thermal convection
Liquid takes heat along exit branch 5 out of, then by outfall sewer 7 enter radiator 9 cool down after, return in cooling water tank 10, it is cold
But liquid stores in cooling water tank 10, and water inlet manifold 1 is transported to using constant pressure pump 11, passes through each water inlet pipe 2 and battery
The intake tunnel mouth of each liquid cooling plate 4 of group temperature control conduction assembly enters in each liquid cooling plate 4,4B, 4C, 4D, 4E, 4F,
Form circulating cooling.Thermocouple 6,6B, 6C, 6D, 6E, 6F monitor fluid temperature in each exit branch 5, when temperature has fluctuation
When, information is fed back into electronic control unit ECU 13, electronic control unit ECU 13 is mounted on corresponding water inlet by control
The valve of automatically controlled speed governing valve 3 or 3B or 3C or 3D or 3E or 3F on branch pipe 2 carrys out control valve switch size, so as to control entrance
The flow of coolant in liquid cooling plate 4 or 4B or 4C or 4D or 4E or 4F, to adjust the temperature between each battery cell of battery pack,
Each battery cell temperature is made to maintain optimum working temperature state always, entire battery pack temperature distributing homogeneity is also changed
It is kind.
Embodiment two：
As shown in fig. 6, the utility model is applied on the automobile of battery pack being made of 4 battery cells, it is total by intaking
Pipe 1, water inlet pipe 2, automatically controlled speed governing valve 3, liquid cooling plate 4, exit branch 5, thermocouple 6, outfall sewer 7, battery cell 8, heat dissipation
Device 9, cooling water tank 10, constant pressure pump 11, heating coil 12, electronic control unit ECU 13,14 composition of control switch；
As shown in Figure 2, Figure 3, Figure 4, the liquid cooling plate 4 is cold by liquid cooling plate housing 4-4, liquid cooling plate intake tunnel 4-1, liquid
Plate Vertical Channel 4-2 and liquid cooling plate exhalant canal 4-3 is formed, and 5 liquid cooling plate Vertical Channel 4-2 are of the same size, uniformly
It is distributed in liquid cooling plate housing 4-4, and is connected with liquid cooling plate intake tunnel 4-1 and liquid cooling plate exhalant canal 4-3；In order to increase
Heat exchange area is uniformly distributed fin in each liquid cooling plate Vertical Channel 4-2 internal chamber walls along flow direction；Liquid cooling plate is by aluminium alloy material
Material is made；
In the equipped automobile power being made of battery cell 8, battery cell 8B, battery cell 8C, battery cell 8D electricity
Each battery cell both ends of the surface of pond group, difference close installation liquid cooling plate 4, liquid cooling plate 4B, liquid cooling plate 4C, liquid cooling plate 4D, liquid
Cold plate 4E, is bonded between liquid cooling plate and battery cell by heat conductive silica gel, forms the battery pack temperature control to 4 battery cell compositions
Conduct assembly.On the intake tunnel 4-1 mouths of each liquid cooling plate of composition battery pack temperature control conduction assembly, pass through water inlet
Branch pipe 2 is connected with water inlet manifold 1, and installs respectively on the water inlet pipe 2 that each is connected with water inlet manifold 1 automatically controlled
Speed governing valve 3,3B, 3C, 3D, 3E；In 4-3 mouthfuls of the exhalant canal of each liquid cooling plate 4 of composition battery pack temperature control conduction assembly
On, it is connected by exit branch 5 with outfall sewer 7, and on the exit branch 5 that each is connected with outfall sewer 7
Thermocouple 6,6B, 6C, 6D, 6E are installed respectively；The water inlet manifold 1 of connection water inlet pipe 2 is connected with constant pressure pump 11, constant pressure pump 11
The other end be connected with cooling water tank 10, the other end of cooling water tank 10 is connected with radiator 9, the other end of radiator 9
It is connected with the outfall sewer 7 for connecting exit branch 5；It is connected in the water inlet manifold 1 being connected with water inlet pipe 2 with constant pressure pump 11
Heating coil 12 is wound on the outer tube wall of the pipeline connect；Automatically controlled speed governing valve 3,3B, 3C, 3D, 3E and thermocouple 6,6B, 6C, 6D, 6E
And heating coil 12 and vehicle electronic control unit ECU 13 is connected to form temperature control loop, power battery pack passes through control
Switch 14 is connected with vehicle electronic control unit ECU 13.
The utility model is applied to the operational process of the automobile power cell group temperature control device of 4 battery cell compositions：
Automobile starting：Under low-temperature condition during automobile starting, start control switch 14 and connect power battery pack power supply, start
Electronic control unit ECU 13 controls heating coil 12 to be powered and 1 tube wall of water inlet manifold is heated.Start constant pressure pump 11 simultaneously, it will be cold
But liquid is transported in water inlet manifold 1 from cooling water tank 10 and heats, and passes through each water inlet pipe 2 and battery pack temperature control conduction combination
The intake tunnel mouth of each liquid cooling plate 4 of body enters liquid cooling plate 4, liquid cooling plate 4B, liquid cooling plate 4C, liquid cooling plate 4D, liquid cooling plate 4E
In to battery cell 8, battery cell 8B, battery cell 8C, battery cell 8D heat.Thermocouple 6, thermocouple 6B, thermocouple 6C,
Thermocouple 6D, thermocouple 6E monitor fluid temperature in each exit branch 5, obtain corresponding battery cell 8, battery cell 8B,
The temperature conditions of battery cell 8C, battery cell 8D after temperature reaches battery operating temperature range, feed back information to electronics
Control unit ECU 13 controls corresponding automatically controlled speed governing valve 3 or automatically controlled speed governing valve 3B or automatically controlled speed governing valves 3C or automatically controlled speed governing valves
The valve of 3D or automatically controlled speed governing valves 3E is closed, and stops the heating to corresponding battery cell, all batteries monomer temperature all reaches
After operating temperature range, electronic control unit ECU 13 controls heating coil 12 to power off, and automobile thermal starting is completed.
The utility model is to the cooling temperature control process of battery cell in car running process：It is fixed in car running process
Coolant is transported to from cooling water tank 10 in water inlet manifold 1 by press pump 11, is conducted by each water inlet pipe 2 and battery pack temperature control
The intake tunnel mouth of each liquid cooling plate 4 of assembly enters in liquid cooling plate 4,4B, 4C, 4D, 4E.Since battery cell persistently supplies
Electricity, battery cell heating temp rise, under action of thermal difference, by heat exchange pattern by heat focus on liquid cooling plate 4,4B, 4C,
On 4D, 4E, channel flowing of the coolant in liquid cooling plate, heat is transmitted to coolant, by thermal convection coolant by heat
Taken out of along exit branch 5, then by outfall sewer 7 enter radiator 9 cool down after, return in cooling water tank 10, coolant is cold
But it is stored in water tank 10, water inlet manifold 1 is transported to using constant pressure pump 11, passed by each water inlet pipe 2 and battery pack temperature control
The intake tunnel mouth for leading each liquid cooling plate 4 of assembly enters in each liquid cooling plate 4,4B, 4C, 4D, 4E, and it is cold to form cycle
But.Thermocouple 6,6B, 6C, 6D, 6E monitor fluid temperature in each exit branch 5, and when temperature has fluctuation, information is fed back to
Electronic control unit ECU 13, electronic control unit ECU 13 are mounted on the automatically controlled tune on corresponding water inlet pipe 2 by control
The valve of fast valve 3 or 3B or 3C or 3D or 3E carry out control valve switch size, so as to control into liquid cooling plate 4 or 4B or 4C or 4D
Or in 4E coolant flow, to adjust the temperature between each battery cell of battery pack, make each battery cell temperature always
Optimum working temperature state is maintained, entire battery pack temperature distributing homogeneity is also improved.
Claims (3)
1. a kind of automobile power cell group temperature control device based on liquid medium, is combined with the battery cell of automobile power cell group
It is connected on automobile, and with the ECU of automobile, it is characterized in that cold by water inlet manifold, water inlet pipe, automatically controlled speed governing valve, liquid
Plate, exit branch, thermocouple, outfall sewer, battery cell, radiator, cooling water tank, constant pressure pump, heating coil, electronic control
Unit, control switch composition；
The liquid cooling plate is by liquid cooling plate housing, liquid cooling plate intake tunnel, liquid cooling plate Vertical Channel and liquid cooling plate exhalant canal structure
Into, liquid cooling plate Vertical Channel is evenly distributed in liquid cooling plate housing, and with liquid cooling plate intake tunnel and liquid cooling plate exhalant canal phase
Connection；
In each battery cell both ends of the surface of equipped automobile power cell group, difference close installation liquid cooling plate forms battery pack
Assembly is conducted in temperature control, is bonded between liquid cooling plate and battery cell by heat conductive silica gel；In composition battery pack temperature control conduction combination
On the intake tunnel mouth of each liquid cooling plate of body, be connected by water inlet pipe with water inlet manifold, and each with into
Automatically controlled speed governing valve is installed respectively on the water inlet pipe that supply mains is connected；In each of composition battery pack temperature control conduction assembly
On the exhalant canal mouth of liquid cooling plate, it is connected by exit branch with outfall sewer, and be connected at each with outfall sewer
Thermocouple is installed respectively on the exit branch connect；Connection water inlet pipe water inlet manifold be connected with constant pressure pump, constant pressure pump it is another
One end is connected with cooling water tank, and the other end of cooling water tank is connected with radiator, and the other end of radiator is with connecting water outlet
The outfall sewer of branch pipe is connected；In the outer tube wall for the pipeline that the water inlet manifold being connected with water inlet pipe is connected with constant pressure pump
Upper winding heating coil；Automatically controlled speed governing valve, thermocouple and heating coil and vehicle electronic control unit ECU are connected to form temperature control
Circuit processed；Power battery pack is by controlling switch to be connected with vehicle electronic control unit ECU.
2. a kind of automobile power cell group temperature control device based on liquid medium according to claim 1, it is characterized in that institute
The liquid cooling plate Vertical Channel stated is uniformly distributed fin in its internal chamber wall along flow direction.
3. a kind of automobile power cell group temperature control device based on liquid medium according to claim 1, it is characterized in that institute
The liquid cooling plate stated is made from a material that be thermally conductive.
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| CN201721848858.9U CN207559018U (en) | 2017-12-26 | 2017-12-26 | A kind of automobile power cell group temperature control device based on liquid medium |
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| CN107946696A (en) * | 2017-12-26 | 2018-04-20 | 山东大学 | A kind of automobile power cell group temperature control device based on liquid medium |
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| CN112310491A (en) * | 2019-07-24 | 2021-02-02 | 中国科学院广州能源研究所 | Lithium battery thermal-safety management system and management and control method |
| CN113193263A (en) * | 2021-04-29 | 2021-07-30 | 中国航空发动机研究院 | Automobile charging cooling device, automobile battery and charging cooling system |
| CN114137415A (en) * | 2021-11-02 | 2022-03-04 | 广州小鹏汽车科技有限公司 | Method and device for detecting calorific value of battery pack, vehicle, and storage medium |
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| CN107946696A (en) * | 2017-12-26 | 2018-04-20 | 山东大学 | A kind of automobile power cell group temperature control device based on liquid medium |
| CN112310491A (en) * | 2019-07-24 | 2021-02-02 | 中国科学院广州能源研究所 | Lithium battery thermal-safety management system and management and control method |
| CN111564675A (en) * | 2020-04-15 | 2020-08-21 | 吉利汽车研究院（宁波）有限公司 | Battery thermal management system based on heat pipe and liquid cooling device |
| CN111564675B (en) * | 2020-04-15 | 2022-08-02 | 吉利汽车研究院（宁波）有限公司 | Battery thermal management system based on heat pipe and liquid cooling device |
| CN112151913A (en) * | 2020-10-13 | 2020-12-29 | 河南科技大学 | Power battery and cooling device and cooling method thereof |
| CN112151913B (en) * | 2020-10-13 | 2022-01-28 | 河南科技大学 | Power battery and cooling device and cooling method thereof |
| CN113193263A (en) * | 2021-04-29 | 2021-07-30 | 中国航空发动机研究院 | Automobile charging cooling device, automobile battery and charging cooling system |
| CN114137415A (en) * | 2021-11-02 | 2022-03-04 | 广州小鹏汽车科技有限公司 | Method and device for detecting calorific value of battery pack, vehicle, and storage medium |
| CN114137415B (en) * | 2021-11-02 | 2024-05-28 | 广州小鹏汽车科技有限公司 | Method and device for detecting heating value of battery pack, vehicle and storage medium |
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