CN106025432A - Heat management pipe of electric-vehicle power battery and balance method and calibration system thereof - Google Patents
Heat management pipe of electric-vehicle power battery and balance method and calibration system thereof Download PDFInfo
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- CN106025432A CN106025432A CN201610545938.0A CN201610545938A CN106025432A CN 106025432 A CN106025432 A CN 106025432A CN 201610545938 A CN201610545938 A CN 201610545938A CN 106025432 A CN106025432 A CN 106025432A
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- orifice valve
- valve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The embodiment of the invention discloses a heat management pipe of an electric-vehicle power battery and a balance method and calibration system thereof. The heat management pipe comprises a cooling-liquid main loop and a plurality of branch pipes respectively connected to the cooling-liquid main loop. Each branch pipe comprises a water chamber for cooling a corresponding battery module, and a first pressure meter is arranged at an inlet of the water chamber of each branch pipe; a first flow meter is arranged at an outlet of the water chamber of each branch pipe; a first orifice valve installation position is arranged between an inlet of each branch pipe and the inlet of the water chamber of the branch pipe, and an adjustable orifice valve assembly or a fixed orifice valve assembly calibrated based on the adjustable orifice valve assembly is detachably installed at each first orifice valve installation position. By means of the heat management pipe and the balance method and calibration system, the temperature balance between cells can be improved.
Description
Technical field
The present invention relates to automobile technical field, more particularly, to heat management pipeline and the equilibrium thereof of electric automobile power battery
Method and calibration system.
Background technology
Energy shortage, oil crisis and environmental pollution grow in intensity, and bring tremendous influence to the life of people, are directly connected to
National economy and the sustainable development of society.Countries in the world are all at active development new energy technology.Electric automobile drops as one
Low consumption of petroleum, low stain, low noise new-energy automobile it is considered to be solve energy crisis and the important way of ecological deterioration
Footpath.Hybrid vehicle takes into account pure electric automobile and the advantage of traditional combustion engine automobile simultaneously, is meeting vehicle dynamic quality requirement
With continual mileage require on the premise of, be effectively improved fuel economy, reduce discharge it is considered to be the most energy-conservation and
One of active path reduced discharging.
In electric automobile, electrokinetic cell drives motor to produce power, and therefore performance and the life-span of electrokinetic cell is impact electricity
The key factor of electrical automobile performance.Due to limited space on vehicle, battery produces amount of heat at work by spacial influence
Accumulation, causes temperature everywhere uneven and affects the concordance of battery cell, thus reduce battery charging and discharging cycle efficieny, impact
The power of battery and energy play, and also will cause thermal runaway, and affect the safety and reliability of system time serious.In order to make
Power set of cells plays optimum performance and life-span, needs to optimize the structure of set of cells, and uses heat management system to keep battery temperature
Degree is in suitable interval, and ensures battery each several part temperature equalization.Heat management system is each battery case by system pipeline
Hydroecium provides coolant to realize the heat radiation to battery case and refrigeration.
In the branch line of existing heat management system pipeline, the water in-out port force value of each hydroecium by the spontaneous adjustment of system,
It cannot be guaranteed that the water in-out port pressure reduction of each hydroecium is consistent with each other, thus cause the coolant rate flowing through each hydroecium inconsistent,
Making to produce between battery temperature difference, therefore temperature equalization is the best.
Summary of the invention
The purpose of the present invention is to propose to the heat management pipeline of electric automobile power battery and equalization methods thereof and calibration system, thus
Improve the temperature equalization between battery.
According to the one side of embodiment of the present invention, the heat management pipeline of a kind of electric automobile power battery, described power are proposed
Battery includes that multiple battery modules, described heat management pipeline include coolant major loop and be connected respectively to described coolant master and return
Multiple branch lines on road；Each branch line includes the hydroecium for cooling down corresponding battery modules, at each branched pipe
The entrance of the hydroecium on road is disposed with the first Pressure gauge；
Outlet at the hydroecium of each branch line is disposed with first-class gauge；
It is disposed with the first orifice valve installation position between the entrance of the entrance of each branch line and the hydroecium of each branch line；
Wherein adjustable damping valve module is removably installed or based on this adjustable damper valve in described first orifice valve installation position
The fixing orifice valve assembly that assembly is calibrated.
Preferably, described adjustable damping valve module includes:
First adjustable damper valve；
It is arranged in the first Quick Release joint of described first adjustable damper valve upstream；And
It is arranged in the second Quick Release joint in described first adjustable damper valve downstream.
Preferably, described fixing orifice valve assembly includes:
Fixing orifice valve；
It is arranged in the 3rd Quick Release joint of described fixing orifice valve upstream；And
It is arranged in the 4th Quick Release joint in described fixing orifice valve downstream.
Preferably, coolant major loop includes: the first water pump；Outlet pipe and return pipe；Wherein:
The entrance of each branch line connects described outlet pipe, and the outlet of each branch line connects described return pipe.
According to another aspect of the invention, it is proposed that a kind of battery management system, including heat management pipeline as above.
According to another aspect of the invention, it is proposed that a kind of electric automobile, including battery management system as above.
According to another aspect of the invention, it is proposed that a kind of orifice valve calibration system, this system is applied to heat management pipeline as above,
This system includes that orifice valve caliberating device and multiple candidate fix orifice valve assembly, and each candidate fixes orifice valve assembly to be had respectively
From pressure fall coefficient；
Described orifice valve caliberating device includes: the second water pump, the second adjustable damper valve, second gauge, orifice valve installation position,
Second Pressure gauge and the 3rd adjustable damper valve；Wherein:
The outlet of the second water pump connects the first branch road and the second branch road, and the first branch road passes through the second adjustable damper valve connection water channel,
Second branch road is by second gauge, orifice valve installation position, the second Pressure gauge and the 3rd adjustable damper valve connection water channel；
Described orifice valve installation position, calibrates pressure fall coefficient be equal to for fixing from the plurality of candidate orifice valve assembly
The candidate of the pressure fall coefficient of described adjustable damping valve module fixes orifice valve assembly.
Preferably, each candidate fixes orifice valve assembly and includes:
Fixing orifice valve；
It is arranged in the Quick Release joint of described fixing orifice valve upstream；And
It is arranged in the Quick Release joint in described fixing orifice valve downstream.
According to another aspect of the invention, it is proposed that the heat management pipeline equalization methods of a kind of electric automobile power battery, described dynamic
Power battery includes that multiple battery modules, described heat management pipeline include coolant major loop and be connected respectively to described coolant master
Multiple branch lines in loop；Each branch line includes the hydroecium for cooling down corresponding battery modules, in each branch
The entrance of the hydroecium of pipeline is disposed with the first Pressure gauge；Outlet at the hydroecium of each branch line is disposed with first-class gauge；
It is disposed with the first orifice valve installation position, the party between the entrance of the entrance of each branch line and the hydroecium of each branch line
Method includes:
In the first orifice valve installation position of each branch line, it is respectively arranged adjustable damping valve module, and adjusts each branched pipe
First adjustable damper valve of the adjustable damping valve module on road, so that the reading of the first-class gauge of each branch line is identical, and
Record the first manometric reading of each branch line；
Dismantle the adjustable damping valve module of each branch line；
For the adjustable damping valve module of each branch line, calibrate respectively pressure fall coefficient be equal to described in be disassembled can
The fixing orifice valve assembly of the pressure fall coefficient of resistance trimming Buddhist nun's valve module；
The fixing orifice valve assembly that is calibrated out of each branch line is arranged in the first orifice valve installation of respective branch line
Position.
Preferably,
The described adjustable damping valve module being disassembled for each branch line, calibrate respectively pressure fall coefficient be equal to by
The fixing orifice valve assembly of the pressure fall coefficient of the adjustable damping valve module of dismounting, including:
For the adjustable damping valve module being disassembled of each branch line, the described adjustable damping valve module being disassembled is installed
In the orifice valve installation position of orifice valve calibration system, described orifice valve calibration system includes orifice valve caliberating device and multiple time
The fixing orifice valve assembly of choosing, each candidate fixes orifice valve assembly and has respective pressure fall coefficient；Described orifice valve demarcates dress
Put and include the second water pump, the second adjustable damper valve, second gauge, described orifice valve installation position, the second Pressure gauge and the 3rd
Adjustable damper valve；Wherein: the outlet of the second water pump connects the first branch road and the second branch road, the first branch road is adjustable by second
Orifice valve connection water channel, the second branch road is by second gauge, orifice valve installation position, the second Pressure gauge and the 3rd adjustable damping
Valve connection water channel；
Regulate the second adjustable damper valve and the 3rd adjustable damper valve so that the second manometric reading and this branched pipe recorded
The first manometric reading on road is identical, and records the reading of second gauge；
The adjustable damping valve module being disassembled described in dismounting, and fix from the plurality of candidate orifice valve assembly selects a candidate
Fixing orifice valve assembly is installed to described orifice valve installation position；
Regulate the second adjustable damper valve and the 3rd adjustable damper valve so that the second manometric reading and this branched pipe recorded
The first manometric reading that road is recorded is identical, and judge the reading of described second gauge whether with the second recorded
The reading of gauge is identical, if it is, determine that this candidate chosen fixes the pressure fall coefficient of orifice valve assembly and is equal to described
The pressure fall coefficient of adjustable damping valve module；It is installed to described if it is not, then select other candidate to fix orifice valve assembly
Orifice valve installation position, duplicate step of laying equal stress on.
From technique scheme it can be seen that by being respectively provided with orifice valve installation position at branch line, make heat management system
The intake-outlet pressure differential of each hydroecium is identical, it is ensured that the coolant rate by each hydroecium is consistent.
Accompanying drawing explanation
The present invention is only schematically illustrated and explains by the following drawings, not delimit the scope of the invention.
Fig. 1 is the heat management pipeline structure figure of the electric automobile power battery according to the present invention.
Fig. 2 is the structure chart that in Fig. 1, the first orifice valve installation position is provided with adjustable damping valve module.
Fig. 3 is the structure chart according to orifice valve calibration system of the present invention.
Fig. 4 is the structure chart that in Fig. 1, the first orifice valve installation position replacement is installed as the fixing orifice valve assembly being calibrated.
Fig. 5 is the heat management pipeline equalization methods flow chart according to electric automobile power battery of the present invention.
Fig. 6 is the heat management pipeline equalization methods exemplary flow chart according to embodiment of the present invention electric automobile power battery.
Label in Fig. 1 includes:
Major loop 1；Branch line 2；First water pump 001；Outlet pipe 002；Return pipe 003；Hydroecium 101；First pressure
Power table 102；First-class gauge 105；Branch line entrance 106；Branch line outlet 107；First orifice valve installation position 110.
Label in Fig. 2 includes:
Major loop 1；Branch line 2；First water pump 001；Outlet pipe 002；Return pipe 003；Hydroecium 101；First pressure
Power table 102；First-class gauge 105；Branch line entrance 106；Branch line outlet 107；Adjustable damping valve module 109；
First adjustable damper valve 103；First Quick Release joint 104；Second Quick Release joint 102.
Label in Fig. 3 includes:
Second water pump the 208, second adjustable damper valve 207, second gauge the 202, second Pressure gauge 201；3rd can resistance trimming
Buddhist nun's valve 206；Tank 209；Adjustable damping valve module 109；First adjustable damper valve 103；First Quick Release joint 104；The
Two Quick Release joints 102；Fixing orifice valve assembly 222；Fixing orifice valve 211；3rd Quick Release joint 212；4th disconnects soon
210.
Label in Fig. 4 includes:
Major loop 1；Branch line 2；First water pump 001；Outlet pipe 002；Return pipe 003；Hydroecium 101；First pressure
Power table 102；First-class gauge 105；Branch line entrance 106；Branch line outlet 107；Fixing orifice valve assembly 222；
Fixing orifice valve 211；3rd Quick Release joint 212；4th Quick Release joint 210.
Detailed description of the invention
In order to technical characteristic, purpose and the effect of invention are more clearly understood from, the now tool of the comparison accompanying drawing explanation present invention
Body embodiment, the most identical label represents identical part.
Succinct and directly perceived in order on describing, enters the solution of the present invention hereafter by describing some representational embodiments
Row illustrates.In embodiment, substantial amounts of details is only used for help and understands the solution of the present invention.However, it will be apparent that the skill of the present invention
These details can be not limited to when art scheme realizes.In order to avoid unnecessarily having obscured the solution of the present invention, some are implemented
Mode describes the most meticulously, but only gives framework.Hereinafter, " including " refers to " including but not limited to ",
" according to ... " refer to " according at least to ..., but be not limited to according only to ... ".Due to the language convention of Chinese, hereafter
In when being not specifically stated the quantity of a composition, it is meant that it can also be multiple that this composition can be one, or can be regarded as
At least one.
Fig. 1 is the heat management pipeline structure figure of the electric automobile power battery according to the present invention.This electrokinetic cell includes multiple electricity
Pond module.
As it is shown in figure 1, heat management pipeline includes coolant major loop 1 and is connected respectively to multiple points of coolant major loop 1
Bye-pass 2.In FIG, having marked the concrete structure of a branch line 2 with label form, other branch line also has
There is identical structure.
Specifically, each branch line 2 includes the hydroecium 101 for cooling down corresponding battery modules.At each branched pipe
The entrance of the hydroecium 101 on road 2 is disposed with the first Pressure gauge 102；Outlet at the hydroecium 101 of each branch line 2 is arranged
There is first-class gauge 105；The entrance 106 of each branch line 2 and the hydroecium 101 of each branch line 2 entrance it
Between be disposed with the first orifice valve installation position 110.
In first orifice valve installation position 110, adjustable damping valve module can be removed and installed respectively or based on this adjustable damper valve group
The fixing orifice valve assembly that part is calibrated.
In FIG, coolant major loop 1 includes: the first water pump 001；Outlet pipe 002 and return pipe 003.Each point
The entrance 106 of bye-pass 2 connects outlet pipe 002, and the outlet 107 of each branch line 2 connects back to water pipe 003.
In an embodiment of the invention:
Respective adjustable damping valve module is installed respectively in the first orifice valve installation position 110 of each branch line 2.At water
Under pump 001 running status, by adjusting the damping value of the adjustable damping valve module in each branch line 2 so that each point
The reading of each the first-class gauge (105) in bye-pass 2 is the most identical, thus ensures the flow equalization of each hydroecium 101.
Owing to adjustable damping valve module is relatively costly, tend to equal being made the flow of each hydroecium 101 by adjustable damping valve module
After weighing apparatus, adjustable damping valve module can be replaced with the fixing orifice valve assembly of dimension, thus cost-effective.
In one embodiment of the present invention:
First, respective adjustable damping valve module is installed respectively in the first orifice valve installation position 110 of each branch line 2.
Under water pump 001 running status, by adjusting the damping value of the adjustable damping valve module in each branch line 2 so that each
The flow of the hydroecium 101 in individual branch line 2 is the most identical, i.e. each first-class gauge (105) in each branch line 2
Reading the most identical.
Then, measure the damping value of each adjustable damping valve module, and mate each adjustable damping valve module according to damping value
The fixing orifice valve of dimension.Finally, the fixing orifice valve that will match to is installed to each branch line by Quick Release joint
In the first orifice valve installation position 110 of 2, thus ensure the flow equalization of each hydroecium 101.
Fig. 2 is the structure chart that in Fig. 1, the first orifice valve installation position is provided with adjustable damping valve module.
As in figure 2 it is shown, heat management pipeline includes coolant major loop 1 and is connected respectively to multiple points of coolant major loop 1
Bye-pass 2.In fig. 2, having marked the concrete structure of a branch line 2 with label form, other branch line also has
There is identical structure.
Specifically, each branch line 2 includes the hydroecium 101 for cooling down corresponding battery modules.At each branched pipe
The entrance of the hydroecium 101 on road 2 is disposed with the first Pressure gauge 102；Outlet at the hydroecium 101 of each branch line 2 is arranged
There is first-class gauge 105；The entrance 106 of each branch line 2 and the hydroecium 101 of each branch line 2 entrance it
Between be disposed with adjustable damping valve module 109.
Adjustable damping valve module 109 includes: the first adjustable damper valve 103；It is arranged in the first adjustable damper valve 103 upstream
First Quick Release joint 104；And it is arranged in the second Quick Release joint 108 in the first adjustable damper valve 103 downstream.
In fig. 2, coolant major loop 1 includes: the first water pump 001；Outlet pipe 002 and return pipe 003.Each point
The entrance 106 of bye-pass 2 connects outlet pipe 002, and the outlet 107 of each branch line 2 connects back to water pipe 003.
Under water pump 001 running status, can by adjusting first of adjustable damping valve module 109 in each branch line 2
Adjust the damping value of orifice valve 103 so that the flow of the hydroecium 101 in each branch line 2 is the most identical, i.e. each branched pipe
The reading of each the first-class gauge 105 in road 2 is the most identical.
Preferably, after made each hydroecium 101 flow tend to equilibrium by adjustable damping valve module, dimension can be used
Fixing orifice valve assembly replace adjustable damping valve module, thus cost-effective.This determine corresponding to adjustable damping valve module
Fixing orifice valve assembly process be referred to as demarcate.The invention allows for a kind of orifice valve calibration system.
Fig. 3 is the structure chart according to orifice valve calibration system of the present invention.This system includes orifice valve caliberating device and multiple candidate
Fixing orifice valve assembly, each candidate fixes orifice valve assembly and has respective pressure fall coefficient.
As it is shown on figure 3, orifice valve caliberating device includes: second water pump the 208, second adjustable damper valve 207, second flow
Meter 202, orifice valve installation position, the second Pressure gauge 201 and the 3rd adjustable damper valve 206；Wherein: the second water pump 208
Outlet connects the first branch road and the second branch road, the first branch road pass through the second adjustable damper valve 207 connection water channel 209, second
Branch road is connected by second gauge 202, orifice valve installation position, the second Pressure gauge 201 and the 3rd adjustable damper valve 206
Tank 209；Orifice valve installation position, for fix from multiple candidates orifice valve assembly calibrates pressure fall coefficient is equal to can
The candidate of the pressure fall coefficient of resistance trimming Buddhist nun's valve module 109 fixes orifice valve assembly.Made by adjustable damping valve module in FIG
After the flow of each hydroecium 101 tends to equilibrium, dismantle the adjustable damping valve module 109 of each branch line 2, then divide
Orifice valve calibration system shown in other application drawing 2 performs demarcation, to determine corresponding fixing orifice valve assembly.
Calibration process specifically includes:
When the reading of the first-class gauge 105 of each branch line 2 is identical in Fig. 1, record the reading of first-class gauge 105
Number, and record the reading of the first Pressure gauge 102 of branch line to be calibrated.That dismantles branch line to be calibrated can resistance trimming
Buddhist nun's valve module 109, then the adjustable damping valve module 109 being disassembled is arranged on the orifice valve installation position of orifice valve calibration system
In.Regulate the second adjustable damper valve 207 and the 3rd adjustable damper valve 206 so that the reading of the second Pressure gauge 201 and record
The reading of the first Pressure gauge 102 of this branch line to be calibrated identical, and record the reading of second gauge 202.
Then, from the orifice valve installation position of orifice valve calibration system, dismantle the adjustable damping valve module 109 being disassembled, and from
Multiple candidates fix and select a candidate to fix orifice valve in orifice valve assembly to be installed to orifice valve installation position.
Then, the second adjustable damper valve 207 and the 3rd adjustable damper valve 206 is regulated so that the reading of the second Pressure gauge 201
Identical with the reading of first Pressure gauge 102 of this branch line to be calibrated recorded, and judge second gauge 202
Reading is the most identical with the reading of the second gauge 202 recorded, if it is, determine the fixing damping of this candidate chosen
The pressure fall coefficient of valve is equal to the pressure fall coefficient of adjustable damping valve module；If it is not, then select other candidate to fix
Orifice valve assembly is installed to orifice valve installation position, duplicate step of laying equal stress on.
Determine that pressure fall coefficient is equal to the fixing resistance of the pressure fall coefficient of adjustable damping valve module based on above-mentioned calibration process
After Buddhist nun's valve module, can replace with this fixing orifice valve assembly and adjustable damping valve module 109 is installed.
For the adjustable damping valve module 109 of each branch line to be calibrated, perform above-mentioned calibration process respectively and replace peace
Process of assembling.
Orifice valve calibration system proposed by the invention is described in detail for example above with Fig. 3.Those skilled in the art are permissible
It is realized that the orifice valve being also based on other demarcates mode calibrates the fixing resistance being matched with adjustable damping valve module 109
Buddhist nun's valve module, embodiment of the present invention is to this and indefinite.
Fig. 4 is the structure chart that in Fig. 1, the first orifice valve installation position replacement is installed as the fixing orifice valve assembly being calibrated.
As shown in Figure 4, heat management pipeline includes coolant major loop 1 and is connected respectively to multiple points of coolant major loop 1
Bye-pass 2.In FIG, having marked the concrete structure of a branch line 2 with label form, other branch line also has
There is identical structure.
Specifically, each branch line 2 includes the hydroecium 101 for cooling down corresponding battery modules.At each branched pipe
The entrance of the hydroecium 101 on road 2 is disposed with the first Pressure gauge 102；Outlet at the hydroecium 101 of each branch line 2 is arranged
There is first-class gauge 105；The entrance 106 of each branch line 2 and the hydroecium 101 of each branch line 2 entrance it
Between be disposed with fixing orifice valve assembly 222.
Fixing orifice valve assembly 222 includes: fixing orifice valve 211；It is arranged in the 3rd Quick Release of fixing orifice valve 211 upstream
Joint 212；And it is arranged in the 4th Quick Release joint 210 in described fixing orifice valve 211 downstream..
In the diagram, coolant major loop 1 includes: the first water pump 001；Outlet pipe 002 and return pipe 003.Each point
The entrance 106 of bye-pass 2 connects outlet pipe 002, and the outlet 107 of each branch line 2 connects back to water pipe 003.
Can by above-mentioned heat management pipeline application to battery management system, and battery management system can be applied to various
In the electric automobile of type.
Based on above-mentioned analysis, the invention allows for the heat management pipeline equalization methods of a kind of electrical automobile electrokinetic cell.
Referring to figs. 1 through the hot channel structure of Fig. 4, Fig. 5 is that the heat management pipeline according to electric automobile power battery of the present invention is equal
Weighing apparatus method flow diagram.
Electrokinetic cell includes that multiple battery modules, described heat management pipeline include coolant major loop 1 and be connected respectively to described
Multiple branch lines 2 of coolant major loop 1；Each branch line 2 includes the water for cooling down corresponding battery modules
Room 101, the entrance at the hydroecium 101 of each branch line 2 is disposed with the first Pressure gauge 102；At each branch line 2
The outlet of hydroecium 101 be disposed with first-class gauge 105；At the entrance of each branch line 2 and each branch line 2
The first orifice valve installation position 110 it is disposed with between the entrance of hydroecium 101.
As it is shown in figure 5, the method includes:
Step 501: be respectively arranged adjustable damping valve module 109 in the first orifice valve installation position 110 of each branch line 2,
And adjust the first adjustable damper valve 103 of the adjustable damping valve module 109 of each branch line 2, so that each branch line
The reading of first-class gauge 105 identical, and record the reading of the first Pressure gauge 102 of each branch line 2.
Step 502: dismantle the adjustable damping valve module 109 of each branch line 2.
Step 503: for the adjustable damping valve module 109 being disassembled of each branch line 2, calibrates pressure fall respectively
Coefficient is equal to the fixing orifice valve assembly 222 of the pressure fall coefficient of the adjustable damping valve module 109 being disassembled.
Step 504: by the fixing orifice valve assembly 222 being calibrated out of each branch line 2, is arranged in corresponding
First orifice valve installation position 110 of branch line.
Preferably,
For the adjustable damping valve module 109 being disassembled of each branch line 2 in step 503, calibrate pressure fall respectively
Coefficient is equal to the fixing orifice valve assembly 222 of the pressure fall coefficient of the adjustable damping valve module 109 being disassembled, including:
First, the adjustable damping valve module 109 being disassembled is arranged in the orifice valve installation position of orifice valve calibration system, resistance
Buddhist nun's valve calibration system includes that orifice valve caliberating device and multiple candidate fix orifice valve assembly, and each candidate fixes orifice valve assembly
There is respective pressure fall coefficient；Orifice valve caliberating device includes second water pump the 208, second adjustable damper valve 207, second
Effusion meter 202, orifice valve installation position, the second Pressure gauge 201 and the 3rd adjustable damper valve 206；Wherein: the second water pump 208
Outlet connect the first branch road and the second branch road, the first branch road passes through the second adjustable damper valve 207 connection water channel 209, the
Two branch roads are connected by second gauge 202, orifice valve installation position, the second Pressure gauge 201 and the 3rd adjustable damper valve 206
Tank 209.Regulate the second adjustable damper valve 207 and the 3rd adjustable damper valve 206 so that the reading of the second Pressure gauge 201
Identical with the reading of the first Pressure gauge 102 of this branch line recorded in step 501, and record second gauge 202
Reading.
Then, orifice valve installation position is dismantled the adjustable damping valve module 109 being disassembled, and from the fixing damping of multiple candidates
Valve module selects a candidate fix orifice valve assembly and be installed to orifice valve installation position.
Then, the second adjustable damper valve 207 and the 3rd adjustable damper valve 206 is regulated so that the reading of the second Pressure gauge 201
Identical with the reading of the first Pressure gauge 102 of this branch line recorded, and whether judge the reading of second gauge 202
Identical with the reading of the second gauge 202 recorded, if it is, determine that this candidate chosen fixes orifice valve assembly
Pressure fall coefficient is equal to pressure fall coefficient (being the fixing orifice valve assembly matched) of adjustable damping valve module；If
Not, then select other candidate to fix orifice valve assembly and be installed to orifice valve installation position, duplicate step of laying equal stress on, and finally look for
To the fixing orifice valve assembly matched.
Fig. 6 is the heat management pipeline equalization methods exemplary flow chart according to embodiment of the present invention branch line.
As shown in Figure 6, the method includes:
Step 601: for each branch line 2, will include first adjustable damper valve the 103, first Quick Release joint 104 respectively
With the first orifice valve installation position 110 that the adjustable damping valve module 109 of the second Quick Release joint 108 is installed to each branch line 2.
Then, run the first water pump 001, adjust the first adjustable damper valve 103 of hydroecium 101 porch of each branch line 2,
The reading making the first-class gauge 105 of each hydroecium 101 is identical, and record the first Pressure gauge 102 of each hydroecium entrance respectively
Reading.
Step 602: pulled down by the adjustable damping valve module 109 of each hydroecium 101 porch, is gradually installed on such as Fig. 3 institute
Orifice valve installation position in the orifice valve calibration system shown.
Based on flow process shown in step 603～605, respectively each adjustable damping valve module 109 being performed demarcation, i.e. determining can
To replace the fixing orifice valve assembly of adjustable damping valve module 109.
Step 603: for the demarcation of each adjustable damping valve module 109, run the second water on orifice valve caliberating device
Pump 208, regulate the 3rd adjustable damper valve the 206, second adjustable damper valve 207 so that the reading of the second Pressure gauge 201 with
The reading of the first Pressure gauge 102 of record, this adjustable damping valve module 109 place branch line is identical, and records this
Time the reading of second gauge 202.
Step 604: close the second water pump 208, pulls down the first adjustable damping valve module 109, change fixing orifice valve 211,
The fixing orifice valve assembly 222 of certain specific standard of the 3rd Quick Release joint the 212, the 4th Quick Release joint 210 composition.
Step 605: open the second water pump 208, regulates the 3rd adjustable damper valve the 206, second adjustable damper valve 207 so that
The reading of the second Pressure gauge 201 and recorded, the first Pressure gauge 102 of the branch line at adjustable damping valve module 109 place
Reading identical, and the second the gauge 202 whether reading observing second gauge 202 now is recorded with step 603
Reading the most identical.If identical, illustrate that the fixing orifice valve assembly 222 of this kind of specification can be replaced in pipeline adjustable
Orifice valve assembly 109, thus complete the demarcation of this adjustable damping valve module 109；If it is not the same, then change other specification
Fixing orifice valve assembly continue executing with step 605, until finding suitably fixing orifice valve specification.
For each branch line in heat management system pipeline, perform flow process shown in step 603～605 respectively, with selected
The most fixing orifice valve assembly of each branch line, is respectively installed to each branched pipe by selected fixing orifice valve assembly
Lu Hou, the pressure equilibrium just completing heat management system pipeline adjusts.
Owing to each branch line is relatively independent, therefore in presently filed embodiment, it is also possible to only opposite heat tube reason system
Element branches pipeline application above-mentioned flow equalization Adjusted Option in system.The heat management system pipeline pressure that the embodiment of the present application provides
The balanced method of adjustment of power, can carry out loine pressure consistency adjustment for the heat management system of various, have test
Method is simple, type selecting quick and precisely, the advantage such as Adjustment effect is good.
In sum, the present invention, by being respectively provided with orifice valve installation position at branch line, makes each hydroecium of heat management system
Intake-outlet pressure differential identical, it is ensured that consistent by the coolant rate of each hydroecium,
The a series of detailed description of those listed above is only for illustrating of the feasibility embodiment of the present invention, and
And be not used to limit the scope of the invention, all equivalent embodiments made without departing from skill of the present invention spirit or change,
As feature combination, split or repeat, should be included within the scope of the present invention.
Claims (10)
1. a heat management pipeline for electric automobile power battery, described electrokinetic cell includes multiple battery modules, described heat management
Pipeline includes coolant major loop (1) and is connected respectively to multiple branch lines (2) of described coolant major loop (1)；Often
Individual branch line (2) includes the hydroecium (101) for cooling down corresponding battery modules, it is characterised in that
Entrance at the hydroecium (101) of each branch line (2) is disposed with the first Pressure gauge (102)；
Outlet at the hydroecium (101) of each branch line (2) is disposed with first-class gauge (105)；
It is disposed with first between the entrance of the entrance of each branch line (2) and the hydroecium (101) of each branch line (2)
Orifice valve installation position (110)；
Wherein adjustable damping valve module (109) is removably installed or based on this in described first orifice valve installation position (110)
The fixing orifice valve assembly (222) that adjustable damping valve module (109) is calibrated.
Heat management pipeline the most according to claim 1, it is characterised in that described adjustable damping valve module (109) including:
First adjustable damper valve (103)；
It is arranged in the first Quick Release joint (104) of described first adjustable damper valve (103) upstream；And
It is arranged in the second Quick Release joint (108) in described first adjustable damper valve (103) downstream.
Heat management pipeline the most according to claim 1, it is characterised in that described fixing orifice valve assembly (222) including:
Fixing orifice valve (211)；
It is arranged in the 3rd Quick Release joint (212) of described fixing orifice valve (211) upstream；And
It is arranged in the 4th Quick Release joint (210) in described fixing orifice valve (211) downstream.
Heat management pipeline the most according to claim 1, described coolant major loop (1) including: the first water pump (001)；
Outlet pipe (002) and return pipe (003)；Wherein:
The entrance of each branch line (2) connects described outlet pipe (002), and the outlet of each branch line (2) connects described
Return pipe (003).
5. a battery management system, it is characterised in that include heat management pipeline as claimed in claim 1.
6. an electric automobile, it is characterised in that include battery management system as claimed in claim 5.
7. an orifice valve calibration system, this system is applied to heat management pipeline as claimed in claim 1, it is characterised in that this is
System includes that orifice valve caliberating device and multiple candidate fix orifice valve assembly, and each candidate fixes orifice valve assembly and has respective pressure
Coefficient drops by force；
Described orifice valve caliberating device includes: the second water pump (208), the second adjustable damper valve (207), second gauge (202),
Orifice valve installation position, the second Pressure gauge (201) and the 3rd adjustable damper valve (206)；Wherein:
The outlet of the second water pump (208) connects the first branch road and the second branch road, and the first branch road passes through the second adjustable damper valve (207)
Connection water channel (209), the second branch road is by second gauge (202), orifice valve installation position, the second Pressure gauge (201) and the
Three adjustable damper valves (206) connection water channel (209)；
Described orifice valve installation position, calibrates pressure fall coefficient be equal to institute for fixing from the plurality of candidate orifice valve assembly
The candidate of the pressure fall coefficient stating adjustable damping valve module (109) fixes orifice valve assembly.
System the most according to claim 7, it is characterised in that each candidate fixes orifice valve assembly and includes:
Fixing orifice valve；
It is arranged in the Quick Release joint of described fixing orifice valve upstream；And
It is arranged in the Quick Release joint in described fixing orifice valve downstream.
9. the heat management pipeline equalization methods of an electric automobile power battery, it is characterised in that described electrokinetic cell includes multiple
Battery modules, described heat management pipeline includes coolant major loop (1) and is connected respectively to described coolant major loop (1)
Multiple branch lines (2)；Each branch line (2) includes the hydroecium (101) for cooling down corresponding battery modules, often
The entrance of the hydroecium (101) of individual branch line (2) is disposed with the first Pressure gauge (102)；Water in each branch line (2)
The outlet of room (101) is disposed with first-class gauge (105)；Entrance and each branch line (2) at each branch line (2)
Hydroecium (101) entrance between be disposed with the first orifice valve installation position (110), the method includes:
It is respectively arranged adjustable damping valve module (109) in the first orifice valve installation position (110) of each branch line (2),
And adjust first adjustable damper valve (103) of the adjustable damping valve module (109) of each branch line (2), so that each point
The reading of the first-class gauge (105) of bye-pass is identical, and record first Pressure gauge (102) of each branch line (2)
Reading；
Dismantle the adjustable damping valve module (109) of each branch line (2)；
For the adjustable damping valve module (109) being disassembled of each branch line (2), calibrate pressure fall coefficient equivalent respectively
The fixing orifice valve assembly (222) of coefficient drops in the pressure in the described adjustable damping valve module (109) being disassembled；
The fixing orifice valve assembly (222) that is calibrated out of each branch line (2) is arranged in the first resistance of respective branch line
Buddhist nun's valve installation position (110).
Method the most according to claim 9, it is characterised in that
The described adjustable damping valve module (109) being disassembled for each branch line (2), calibrates pressure fall coefficient respectively
It is equal to the fixing orifice valve assembly (222) of the pressure fall coefficient of the adjustable damping valve module (109) being disassembled, including:
For the adjustable damping valve module (109) being disassembled of each branch line (2), by the described adjustable damper valve being disassembled
Assembly (109) is arranged in the orifice valve installation position of orifice valve calibration system, and described orifice valve calibration system includes that orifice valve is demarcated
Device and multiple candidate fix orifice valve assembly, and each candidate fixes orifice valve assembly and has respective pressure fall coefficient；Described resistance
Buddhist nun's valve caliberating device includes the second water pump (208), the second adjustable damper valve (207), second gauge (202), described damping
Valve installation position, the second Pressure gauge (201) and the 3rd adjustable damper valve (206)；Wherein: the outlet of the second water pump (208)
Connecting the first branch road and the second branch road, the first branch road passes through the second adjustable damper valve (207) connection water channel (209), the second branch road
Connected by second gauge (202), orifice valve installation position, the second Pressure gauge (201) and the 3rd adjustable damper valve (206)
Tank (209)；Regulate the second adjustable damper valve (207) and the 3rd adjustable damper valve (206) so that the second Pressure gauge (201)
Reading identical with the reading of first Pressure gauge (102) of this branch line recorded, and record second gauge (202)
Reading；The adjustable damping valve module (109) being disassembled described in dismounting, and fix choosing orifice valve assembly from the plurality of candidate
Select a candidate to fix orifice valve assembly and be installed to described orifice valve installation position；Regulate the second adjustable damper valve (207) and the 3rd adjustable
Orifice valve (206) so that the reading of the second Pressure gauge (201) and first Pressure gauge (102) of this branch line recorded
Reading identical, and judge the reading of described second gauge (202) whether with the reading of the second gauge (202) recorded
Number identical, if it is, determine this candidate chosen fix orifice valve assembly pressure fall coefficient be equal to described adjustable damper valve
The pressure fall coefficient of assembly；If it is not, then select other candidate to fix orifice valve assembly be installed to described orifice valve installation position,
Lay equal stress on duplicate step.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106785192A (en) * | 2016-11-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of heat management system |
| CN108011153A (en) * | 2017-10-27 | 2018-05-08 | 合肥国轩高科动力能源有限公司 | Thermal management monitoring device |
| CN108336445A (en) * | 2017-12-20 | 2018-07-27 | 北京长城华冠汽车科技股份有限公司 | Battery pack heat management system and battery pack |
| CN108736109A (en) * | 2018-04-17 | 2018-11-02 | 北京长城华冠汽车科技股份有限公司 | The adjusting method of battery thermal management system and battery temperature |
| CN108844989A (en) * | 2018-08-22 | 2018-11-20 | 北京长城华冠汽车科技股份有限公司 | Battery performance testing system and battery performance test method |
| CN109037853A (en) * | 2018-10-29 | 2018-12-18 | 重庆科技学院 | Electric automobile power battery temperature management system |
| CN111755774A (en) * | 2020-07-09 | 2020-10-09 | 长泰鑫顺泰实业发展有限公司 | Thermal management control method of electric automobile |
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| KR101342907B1 (en) * | 2011-08-19 | 2014-01-27 | 한국과학기술원 | Independent cooling water pressure control system and method for medium and large battery cooling and heating on electric vehicle |
| CN105655667A (en) * | 2015-12-31 | 2016-06-08 | 北京长城华冠汽车科技股份有限公司 | Thermal management system of new energy automobile, adjusting method of thermal management system and new energy automobile |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106785192A (en) * | 2016-11-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of heat management system |
| CN108011153A (en) * | 2017-10-27 | 2018-05-08 | 合肥国轩高科动力能源有限公司 | Thermal management monitoring device |
| CN108336445A (en) * | 2017-12-20 | 2018-07-27 | 北京长城华冠汽车科技股份有限公司 | Battery pack heat management system and battery pack |
| CN108736109A (en) * | 2018-04-17 | 2018-11-02 | 北京长城华冠汽车科技股份有限公司 | The adjusting method of battery thermal management system and battery temperature |
| CN108736109B (en) * | 2018-04-17 | 2020-08-25 | 北京长城华冠汽车科技股份有限公司 | Battery thermal management system and battery temperature adjusting method |
| CN108844989A (en) * | 2018-08-22 | 2018-11-20 | 北京长城华冠汽车科技股份有限公司 | Battery performance testing system and battery performance test method |
| CN109037853A (en) * | 2018-10-29 | 2018-12-18 | 重庆科技学院 | Electric automobile power battery temperature management system |
| CN109037853B (en) * | 2018-10-29 | 2023-04-21 | 重庆科技学院 | Temperature management system for power battery of electric automobile |
| CN111755774A (en) * | 2020-07-09 | 2020-10-09 | 长泰鑫顺泰实业发展有限公司 | Thermal management control method of electric automobile |
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Denomination of invention: Thermal management pipeline of electric vehicle power battery, and balance method and calibration system of thermal management pipeline Effective date of registration: 20190513 Granted publication date: 20190405 Pledgee: Suzhou Trust Co., Ltd. Pledgor: BEIJING CHANGCHENG HUAGUAN AUTOMOBILE TECHNOLOGY CO., LTD. Registration number: 2019990000418 |
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