CN209472083U - The humidity control system of power battery - Google Patents
The humidity control system of power battery Download PDFInfo
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- CN209472083U CN209472083U CN201821615042.6U CN201821615042U CN209472083U CN 209472083 U CN209472083 U CN 209472083U CN 201821615042 U CN201821615042 U CN 201821615042U CN 209472083 U CN209472083 U CN 209472083U
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- battery
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- 239000002826 coolant Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 68
- 230000005611 electricity Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 36
- 230000003068 static effect Effects 0.000 description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 230000001276 controlling effect Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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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 belongs to power battery field, more particularly to a kind of humidity control system of power battery, the humidity control system includes pipeline and controller, the coolant liquid of recyclable flowing is provided in pipeline and the first pipe including being arranged on power battery and the second pipe being arranged on motor；Controller is connect with power battery and motor respectively, and the real time temperature of monitoring control devices power battery simultaneously judges whether the real time temperature of power battery is lower than first threshold and adjusts the loss power of motor according to judging result；Wherein, when the real time temperature of power battery is lower than first threshold, controller increases the loss power of motor so that the heat that motor generates increases, so that the coolant liquid to heat up because absorbing the heat increase that motor generates be made to heat power battery.The utility model promotes the origin of heat of temperature using motor loss power during the work time as power battery, can utilize loss power to reduce energy waste.
Description
Technical field
The utility model belongs to battery protection field, and in particular to a kind of humidity control system of power battery.
Background technique
Power battery can provide electric energy for electric car, when the temperature of power battery be lower than its normal range of operation when its
I/O capability will receive limitation.For example, the cruising ability degradation of electric car in winter, influences the trip body of user
It tests.
In order to solve the problems, such as temperature of powered cell, in the prior art, heating is installed in the upstream of power battery coolant liquid
Device controls the heater and is heated to coolant liquid so that the input for promoting the temperature of battery to improve battery is defeated when low temperature occurs
Output capacity.But which more waste of energy.
Correspondingly, this field needs a kind of humidity control system of power battery to solve the above problems.
Utility model content
In order to solve the above problem in the prior art, in order to solve to promote power at low ambient temperatures in the prior art
The mode of the temperature of battery more waste of energy the problem of, the temperature that the utility model provides a kind of power battery adjusts system
System, the temperature of the power battery for adjusting electric car, the humidity control system includes: pipeline, and being arranged inside can follow
The dynamic coolant liquid of circulation, at least partly described pipeline are arranged on the power battery and motor；Controller, respectively with it is described
Power battery is connected with the motor, and the controller is configured as the real time temperature of monitoring power battery and judges the power
Whether the real time temperature of battery is lower than first threshold and adjusts the loss power of the motor according to judging result；Wherein, work as institute
When stating the real time temperature of power battery greater than or equal to the first threshold, then the controller does not change the loss of the motor
Power, when the real time temperature of the power battery is lower than the first threshold, then the controller increases the damage of the motor
Wasted work rate is so that the heat that the motor generates increases, to make the institute heated up because absorbing the heat increase that the motor generates
Coolant liquid is stated to heat the power battery.
In the optimal technical scheme of above-mentioned humidity control system, the humidity control system further includes and the controller
The heater of connection；The controller is additionally configured to control the heater in the pipeline according to the judging result
Coolant liquid is heated.
In the optimal technical scheme of above-mentioned humidity control system, the pipeline includes first pipe and second pipe,
In, the first pipe is at least partially disposed on the power battery, and the second pipe is at least partially disposed in the electricity
On machine, the humidity control system further includes the cooling device connecting with the controller；The controller is additionally configured to sentence
Whether the real time temperature of the power battery of breaking is higher than second threshold and controls the cooling device pair according to the judging result
The coolant liquid for flowing through the first pipe cools down.
In the optimal technical scheme of above-mentioned humidity control system, the humidity control system further includes being connected to described
Valve between one pipeline and the second pipe, the valve are connect with the controller；The controller is additionally configured to
The unlatching and closure of the valve are controlled according to judging result, wherein if the real time temperature of the power battery is lower than described the
One threshold value, then the controller controls the valve opening so that the first pipe is connected to the second pipe, if described
The real time temperature of power battery is greater than or equal to the first threshold, then the controller controls the valve closure so that described
First pipe and the second pipe disconnect.
In the optimal technical scheme of above-mentioned humidity control system, the electric car includes arrangement of clutch and wheel hub, institute
Stating motor includes power output shaft, and the arrangement of clutch is connect with the power output shaft and the wheel hub respectively, the clutch
Device has the first working condition and the second working condition, wherein when the arrangement of clutch is in first working condition,
The power output shaft and the wheel hub are in connection status, when the arrangement of clutch is in second working condition, institute
It states power output shaft and the wheel hub is in disengaged condition；The controller is electrically connected with the arrangement of clutch, the controller
It is additionally configured to whether to be in halted state according to the electric car and controls the working condition of the arrangement of clutch to control
It states power output shaft and whether the wheel hub is in disengaged condition, so that whether the mechanical output for controlling the motor exports to institute
State wheel hub.
In the optimal technical scheme of above-mentioned humidity control system, the humidity control system further includes and the controller
At least one temperature sensor of communication connection, the power battery include shell and functional structure, the functional structure setting
In the shell, the first pipe is arranged between the shell and the functional structure；Wherein, the temperature sensor
It is arranged on the surface of the functional structure, the controller monitors the reality of the power battery by the temperature sensor
Shi Wendu.
In the optimal technical scheme of above-mentioned humidity control system, the controller is configured as by controlling the motor
Input current is to adjust the mechanical output of the motor and the ratio of loss power, so as to adjust the loss power of the motor.
In the optimal technical scheme of above-mentioned humidity control system, the motor has the first operating mode and the second work
Mode, wherein the percentage for the loss power that the motor is under first operating mode is greater than the motor and is in institute
State the percentage of the loss power under the second operating mode；The controller is configured as by adjusting the Working mould of the motor
Formula is to adjust the dissipation power of the motor.
In the optimal technical scheme of above-mentioned humidity control system, the controller is configured as when the power battery
Heating demand information is generated according to the real time temperature of the power battery when real time temperature is lower than the first threshold, and according to institute
The dissipation power that heating demand information adjusts the motor is stated, the heating demand information includes the heating function of the power battery
The dissipation power of rate and the motor, wherein the heat that the dissipation power of the motor generates makes the power battery with institute
Heating power is stated to heat up.
In the optimal technical scheme of above-mentioned humidity control system, the controller is additionally configured to monitor the power electric
The current peak power output in pond simultaneously adjusts power information according to the current peak power output of the power battery；The power
Information includes the mechanical output and loss power of the motor, wherein if the current peak power output of the power battery is big
In or equal to the sum of the loss power and the mechanical output, then the power information is not adjusted, if the power battery
Current peak power output is less than the sum of the loss power and the mechanical output, then reduces the loss power, do not change
The mechanical output；Alternatively, the power information includes the mechanical output and loss power and the heater of the motor
Heating power, wherein if the current peak power output of the power battery be greater than or equal to the loss power, the machine
The sum of tool power and the heating power do not adjust the power information then, if the current maximum work output of the power battery
Rate is less than the sum of the loss power, the mechanical output and described heating power, then does not change the mechanical output, reduces institute
It states loss power and/or reduces the heating power.
It will be appreciated to those of skill in the art that in the technical solution of the utility model, by adjusting the damage of motor
Wasted work rate simultaneously heats power battery using loss power, can not only utilize loss power to reduce energy wave
Take；And the structure of pipeline is relatively simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one of the utility model embodiment humidity control system of power battery.
Fig. 2 is the structural schematic diagram of the humidity control system of another power battery in the utility model embodiment.
Fig. 3 is the partial structural diagram of one of the utility model embodiment temperature of powered cell regulating system.
Fig. 4 is the structural schematic diagram that one of the utility model embodiment motor and wheel hub are in disengaged condition.
Fig. 5 is in the structural schematic diagram of disengaged condition for another motor in the utility model embodiment with wheel hub.
Fig. 6 is a kind of partial structural diagram of power battery in the utility model embodiment.
Fig. 7 is the flow chart of one of the utility model embodiment temperature of powered cell adjusting method.
Fig. 8 is the flow chart of another temperature of powered cell adjusting method in the utility model embodiment.
Fig. 9 is the flow chart of another temperature of powered cell adjusting method in the utility model embodiment.
Figure 10 is the flow chart of another temperature of powered cell adjusting method in the utility model embodiment.
Figure 11 is the flow chart of another another temperature of powered cell adjusting method in the utility model embodiment.
Specific embodiment
Preferred embodiments of the present invention are described with reference to the accompanying drawings.It should be understood by those skilled in the art that
It is that these embodiments are used only for explaining the technical principle of the utility model, it is not intended that limit the protection of the utility model
Range.Those skilled in the art, which can according to need, makes adjustment to it, to adapt to specific application.
In order to solve to be promoted at low ambient temperatures in the prior art power battery temperature mode more waste of energy
Problem, the utility model provide a kind of humidity control system of power battery, the system using motor during the work time
Loss power promotes the origin of heat of temperature as power battery, to reduce the waste of the energy.With reference to the accompanying drawings and combine electricity
The humidity control system of the power battery of electrical automobile describes preferred embodiments of the present invention.
In addition, in order to which the utility model is better described, given in specific embodiment below numerous specific
Details.It will be appreciated by those skilled in the art that without certain details, the utility model equally be can be implemented.In some realities
In example, the structure of power battery and motor is not described in detail, in order to highlight the purport of the utility model.
Fig. 1 is the structural schematic diagram of one of the utility model embodiment humidity control system of power battery.It please join
See Fig. 1, the humidity control system of power battery provided in this embodiment be used to adjust the temperature of the power battery of electric car and
It include: pipeline 1 and controller 4.At least partly pipeline 4 is arranged on power battery 2 and motor 3, is provided in pipeline 4 recyclable
The coolant liquid of flowing.Controller 1 is connect with power battery 2 and motor 3 respectively, and controller 1 is configured as monitoring power battery 2
Real time temperature and judge whether the real time temperature of power battery 2 is lower than first threshold and adjusts motor 3 according to judging result
Loss power.Wherein, when the real time temperature of power battery 2 is greater than or equal to first threshold, then controller 1 does not change motor 3
It is loss power, when the real time temperature of power battery 2 is lower than first threshold, then controller 1 increases the loss power of motor 3
So that the heat that motor 3 generates increases, to make the coolant liquid to heat up because absorbing the heat increase that motor 3 generates to power electric
It is heated in pond 2.
It should be noted that first threshold described in the utility model can be according to the type of power battery, actual use
It environment and is configured using purpose, the utility model is to this and is not particularly limited.For example, for lithium battery, when it
When temperature is lower than 0 DEG C, I/O capability is greatly reduced, and therefore, first threshold can be set to 0 DEG C, certainly, in order to more
The I/O capability of good guarantee lithium battery, slightly above 0 DEG C for first threshold being arranged.
It should be noted that the mechanical output of motor can change can also during " loss power of adjustment motor "
With constant, and the mechanical output of motor is operating status according to electric car and determination, for example, when electric car is at the uniform velocity
In driving process, the mechanical efficiency of motor is constant while adjusting the loss power of motor；When electric car accelerates, adjust
Need to increase the mechanical efficiency of motor while the loss power of whole motor；When electric car slows down, the loss of motor is adjusted
Need to reduce the mechanical efficiency of motor while power.
The humidity control system of power battery provided in this embodiment, by adjusting electricity according to the real time temperature of power battery
The loss power of machine increases the loss power of motor when temperature is lower than first threshold to generate more heats, and utilize damage
The heat that wasted work rate is converted into is that power battery heats up, and can not only be utilized loss power to reduce energy wave
Take；And the structure of pipeline is relatively simple.
It should be noted that controller can be collection in the humidity control system of power battery provided by the utility model
The controller being integrally formed is also possible to mainly be made of the sub-controller of two or more communication connections, this is practical
It is novel to this and to be not particularly limited.Based on controller mainly by the sub-controller group of two or more communication connections
At present embodiments providing a kind of humidity control system of power battery.Fig. 2 is that the another kind in the utility model embodiment is dynamic
The structural schematic diagram of the humidity control system of power battery, refers to Fig. 2, and in electric car, controller 1 can be mainly by communicating
Connection is that entire car controller 11, battery controller 12 and electric machine controller 13 form, wherein battery controller 12 is configured as
Monitor the real time temperature of power battery；Entire car controller 11 is configured as judging whether the real time temperature of power battery is lower than first
Threshold value；Electric machine controller 13 is configured as according to entire car controller 11 to the judging result of the real time temperature of power battery to motor
13 are controlled.Specifically, for electric machine controller 13, it can be and be arranged on motor 3 (i.e. intelligent electric machine), it can also be with
It is to be electrically connected between electric machine controller 13 and motor 3, above two mode can realize the control to motor.
For ease of description, main in conjunction with controller 1 in the embodiment of the humidity control system of each power battery below
It to be that the system that entire car controller 11, battery controller 12 and electric machine controller 13 form is illustrated, but is worked as by communication connection
Controller 1 is equally applicable when being the controller to become one.
Continuing with referring to fig. 2, humidity control system further includes the heater 5 connecting with entire car controller 11；Full-vehicle control
Device 11 is additionally configured to heat the coolant liquid in pipeline 4 according to judging result control heater 5.When increasing in system
After heater, it also can use heater while adjusting the loss power of motor and the coolant liquid in pipeline 4 heated,
To make the temperature of power battery be increased to first threshold so that power battery is quickly realized in low temperature environment faster
Stablize output.Further, heater 5 can be connect with power battery 2, i.e., power battery provides electric energy for heater, when
So, heater 5 can also be connect with other power supplys, and the utility model is not specifically limited this.
Continuing with referring to fig. 2, since there is also the higher possibility of temperature for power battery 2, such as during the broiling summer, power
Battery be likely to be higher than power battery appropriate working temperature under conditions of work, may cause power battery burn or other
Influence power battery work performance problems.Based on this problem, the pipeline 4 in humidity control system provided by the utility model is wrapped
Include first pipe 41 and second pipe 42, wherein first pipe 41 is at least partially disposed on power battery 2, second pipe 42
It is at least partially disposed on motor 3, which further includes the cooling device 6 connecting with controller 1；Entire car controller
11 are additionally configured to judge whether the real time temperature of power battery 4 is higher than second threshold and controls cooling device according to judging result
6 pairs of coolant liquids for flowing through first pipe 41 cool down.It should be noted that second threshold described in the utility model can root
It is configured according to the type of power battery, practical service environment and using purpose, the utility model is to this and is not particularly limited.
For example, when its temperature is higher than 60 DEG C, there is the risk decomposed and be easy to cause lithium battery drum in electrolyte for lithium battery
Packet even explodes, and therefore, can set second threshold to 60 DEG C, certainly, in order to preferably guarantee the security performance of lithium battery,
Can be by the and threshold value setting is lower than 60 DEG C, for example, setting 40 DEG C for second threshold.
Continuing with referring to fig. 2, further, humidity control system further includes being connected to first pipe 41 and second pipe 42
Between valve 7, valve 7 connect with entire car controller 11；Entire car controller 11 is additionally configured to according to judging result control valve
The unlatching and closure of door 7, wherein if the real time temperature of power battery 2 is lower than first threshold, 11 control valve of entire car controller
7 open, if the real time temperature of power battery 2 is greater than or equal to first threshold, 11 control valve 7 of entire car controller closure.By
It is different in the appropriate working temperature of power battery and the appropriate working temperature of motor, in general, the appropriate working temperature of motor
Range be it is wider, therefore, increase valve after the temperature-fall period of motor and power battery can be made to be carried out separately, with
It avoids wasting extra energy.It is illustrated so that power battery is lithium battery as an example, when the temperature of lithium battery is higher than second threshold
Cool down, and therefore motor, is set at such a temperature without cooling down between the first adapter tube and the second adapter tube
Setting valve can make the temperature-fall period of motor and power battery be relatively independent, the only coolant liquid progress in first pipe 41
Cooling, more saving energy.
When electric car is in charging process, electric car be usually it is static, if it is in the lower (example of environment temperature
Such as winter) under conditions of charge, the electricity that power battery is filled with is less, therefore, need to heat battery at this time with
Promote the temperature of power battery.In order to guarantee the temperature of fast lifting power battery and guarantee that electric car is static, electricity should ensure that
The output power of machine is 0.But can not 100% guarantee motor do not export any mechanical output during operation, therefore,
In order to guarantee the static of electric car, be equipped with the present embodiment provides the electric car of humidity control system include arrangement of clutch and
Wheel hub.Fig. 3 is the partial structural diagram of one of the utility model embodiment temperature of powered cell regulating system.It refers to
Fig. 3, electric car include arrangement of clutch C and wheel hub H, and motor 3 includes power output shaft 31, and arrangement of clutch C is defeated with power respectively
Shaft 31 is connected with wheel hub H, and arrangement of clutch C has the first working condition and the second working condition, wherein at arrangement of clutch C
When the first working condition, power output shaft 31 and wheel hub H are in connection status, when arrangement of clutch C is in the second working condition
When, power output shaft 31 and wheel hub H are in disengaged condition；Controller 1 is connect with arrangement of clutch C, and entire car controller 11 is also matched
It is set to according to whether electric car is in the working condition of halted state control arrangement of clutch C to control power output shaft 31 and wheel
Whether hub H is in disengaged condition, so that whether the mechanical output for controlling motor 3 exports and give wheel hub H.In the present embodiment, power
Battery charges under the conditions of environment temperature is lower, can by arrangement of clutch control electric car motor and wheel hub it
Between be in disengaged condition, with the loss power of utility motor to power battery heat when electric car remain static.
Fig. 4 is the structural schematic diagram that one of the utility model embodiment motor and wheel hub are in disengaged condition.It please join
See Fig. 4, specifically, arrangement of clutch C is gear-box, and gear-box includes the first line shaft C1 and the second line shaft C2, the first power
Axis C1 is connect with the power output shaft 31 of motor 3, the wheel hub H connection of the second line shaft C2 and electric car, wherein the second power
Axis C2 can be two, and two the second line shaft C2 respectively correspond the wheel hub H of two rear-wheels of electric car, alternatively, electronic vapour
Vehicle may be four-wheel drive, the utility model to this with no restriction.When electric car is in charged state, entire car controller
11 are additionally configured to the power output shaft that halted state controls the first line shaft C1 and motor 3 whether is according to electric car
Whether 311 connect to control whether power output shaft 31 and wheel hub H is in disengaged condition.
Fig. 5 is in the structural schematic diagram of disengaged condition for another motor in the utility model embodiment with wheel hub.Please
Referring to Fig. 5, gear-box includes first gear C3 and second gear C4, the company of power output shaft 31 of first gear C3 and motor 3
It connects, the wheel hub H connection of second gear C4 and electric car；Entire car controller 11 is controlled as stopping according to whether electric car is in
Only whether state connect to control whether power output shaft 31 and wheel hub H locates with second gear C4 by control first gear C3
In disengaged condition.Certainly, arrangement of clutch C is also possible to clutch or other, and there is control motor can connect shape with wheel hub
The device switched between state and disengaged condition, so that electric car remains static during the charging process.
Fig. 6 is a kind of partial structural diagram of power battery in the utility model embodiment.Refer to Fig. 6, power electric
Pond 2 include shell 21 and functional structure 22, functional structure 22 be arranged in shell 21, first pipe 41 setting shell 21 with
Between functional structure 22, the heat exchanger effectiveness helped to improve between coolant and the functional structure of power battery is arranged such.
In the present embodiment, humidity control system further includes at least one temperature sensor 9 with 11 communication connection of entire car controller, temperature
Degree sensor 9 is arranged on the surface of functional structure 22, and entire car controller 11 monitors power battery 2 by temperature sensor 9
Real time temperature.It is mainly determined by the functional structure of power battery due to the I/O capability of power battery, and power
It is that there is certain temperature difference outside battery case and on the surface of functional structure, therefore, with the power battery that measures
Real time temperature of the temperature on functional structure surface as power battery, the power battery real time temperature measured is more close to power electric
The actual work temperature in pond is conducive to provide temperature degree of regulation.It should be noted that the real time temperature of monitoring power battery
Other modes can be used, such as can be by measuring certain electrical parameters of power battery come the reality of indirect monitoring power battery
Shi Wendu.
Continuing with referring to fig. 2, entire car controller 11 is configured as through control 3 input current of motor to adjust motor 3
The ratio of mechanical output and loss power, so as to adjust the loss power of motor 3.For motor, the input current of motor
The ratio of different then mechanical output and loss power is different, and therefore, can be adjusted by adjusting the input current of motor
The loss power of motor.Wherein, the input current of motor is provided by power battery.
Continuing with referring to fig. 2, in some alternative embodiments, motor 3 has the first operating mode and the second work
Mode, wherein the percentage that motor is in the loss power under the first operating mode is greater than motor and is under the second operating mode
Loss power percentage；Controller is configured as adjusting the dissipation power of motor by adjusting the operating mode of motor.
It should be noted that, although the present embodiment is illustrated with " motor has the first operating mode and the second operating mode ", but this
Be not restricted explanation, in fact, the operating mode of motor is not limited to two kinds, be also possible to it is more kinds of, so as to according to dynamic
The real time temperature of power battery, the driving status of electric car, the factors such as remaining capacity of power battery are using suitable motor work
Operation mode, with the continuation of the journey of balanced power battery heating and electric car.
Specifically, electric car guarantees to continue a journey in normal driving process, and the loss power of motor should be made to the greatest extent may be used
Can be low, still, since the fan-out capability of power battery is affected by temperature significantly, it is lower than in the real time temperature of power battery 2
When first threshold, even if can guarantee that the loss power of motor 3 is small, but the cruising ability of electric car is still difficult to ensure, because
This, adjusts the operating mode of motor 3, motor 3 is adjusted to the first operating mode, is generated using the loss power of motor 3 more
Heat so that the temperature of power battery 2 increases, to restore the fan-out capability of power battery 2.When the temperature liter of power battery 2
When height is to first threshold, the fan-out capability of power battery 2 is guaranteed, then is adjusted the operating mode of motor 3 and made its loss power
It reduces to avoid energy waste.When power battery is in charged state, moved if the temperature of the temperature of power battery is too low
The input capability of power battery is restricted, or even can not be charged, and therefore, it is necessary to improve the temperature of power battery to guarantee power electric
The input capability in pond, at this point, motor should be at the first operating mode to generate more heats.Due to power battery charging process
In be usually it is static, therefore, should control motor output torque be zero, at this point, should control arrangement of clutch makes wheel hub and motor
Power output shaft disconnect to guarantee the static of electric car.
Continuing with referring to fig. 2, in some alternative embodiments, entire car controller 11 is configured as when power battery 2
Real time temperature be lower than first threshold when according to the real time temperature of power battery 2 generate heating demand information, and according to heating need
The dissipation power of information adjustment motor 3 is sought, heating demand information includes the consume function of the heating power and motor 3 of power battery 2
Rate, wherein the heat that the dissipation power of motor 3 generates makes power battery 2 heat up with the power that heats up.The present embodiment is not only
It can be realized and heated up using the loss power of motor to power battery, and the value of the loss power of motor can be controlled,
Loss power to avoid motor is excessive and generates unnecessary energy dissipation, can also to avoid motor loss power it is less than normal and
It is unable to satisfy the heating demand of motor.Specifically, it is illustrated with electric car in driving status, when the reality of power battery 2
When Shi Wendu is lower than first threshold, entire car controller 11 generates heating demand information according to specific temperature, and controls motor 3
Loss power is heated up with meeting power battery 2 with the power that heats up.It should be noted that ought be only with the loss power of motor 3
When energy source as the heating demand of power battery 2, the loss power of motor 3 is greater than the heating power of power battery 2
, this is because the heat that the loss power of motor 3 is converted into passes to coolant liquid, coolant liquid circulation and cooling in motor 3
Liquid transfers heat in each link of power battery 2, can all there is an energy loss, but the loss power and power of motor 3
Corresponding relationship between the heating power of battery is can be determined according to factors such as environment temperature, the performances of coolant liquid.For example,
The heat that loss power converts when power battery is in a certain temperature has w% to can be used in heating up to power battery, then, when
When the heating power of power battery is a, the loss power of motor is a/w%.When power battery is in charged state, electronic vapour
Vehicle is static, and the power output shaft of wheel hub and motor is in disengaged condition, and the loss power of motor also generates in a manner mentioned above
And it controls.
Continuing with referring to fig. 2, further, when the temperature of power battery 2 is more lower than first threshold, need with larger
Heating power power battery 2 is heated, the loss power of motor 3 is unable to satisfy heating demand, at this point, heating demand
Information further includes the heating power of heater 5, and entire car controller 11, which is configured as being controlled according to the heating power of heater 5, to be added
Hot device 5 heats the coolant liquid in pipeline, wherein the heating function of heat and heater 5 that the dissipation power of motor 3 generates
The heat that rate generates makes power battery 2 heat up with the power that heats up.
When power battery be in temperature it is lower under the conditions of, the peak power output of power battery is insufficient for motor institute
The case where general power needed, easily occurs, and in this case, power battery may occur to stop the possibility of power supply.For this
Problem, battery controller 12 are configured as the current peak power output of monitoring power battery, and entire car controller 11 is configured as
Power information is adjusted according to the current peak power output of power battery, power information includes the mechanical output and loss function of motor
Rate, wherein if the current peak power output of power battery is greater than or equal to the sum of loss power and mechanical output, do not adjust
Power information reduces loss function if the current peak power output of power battery is less than the sum of loss power and mechanical output
Rate does not change mechanical output.Based on the above issues, the power supply when power battery as heater, battery controller 12 are configured
For the current peak power output for monitoring power battery, entire car controller 11 is configured as the current maximum according to power battery
Output power adjusts power information, and power information includes the mechanical output of motor 3 and the heating function of loss power and heater 5
Rate, wherein if the current peak power output of power battery be greater than or equal to loss power, mechanical output and heating power it
With, then do not adjust power information, if the current peak power output of power battery be less than loss power, mechanical output and heating function
The sum of rate does not change mechanical output then, reduces loss power and/or reduces heating power.Although it should be understood that function
It include the heating power of heater in rate information, still, the heating power of heater can be zero, that is, the loss function of motor
Rate can meet the heating demand of power battery.In the present embodiment, by the current peak power output to power battery into
Row is monitored and is adjusted according to the current peak power output of power battery to power information, can should ensure that electric car
Operation on the basis of provide more heats as much as possible for power battery.It should be appreciated that the mechanical output of motor is by electricity
What the driving status of electrical automobile determined, for example, driver is with high speed and vehicle of driving at low speed, the mechanical output of motor is naturally not
Together, the humidity control system of power battery provided by the utility model does not adjust the mechanical output of motor actively.
In order to solve to be promoted at low ambient temperatures in the prior art power battery temperature mode more waste of energy
Problem, the present embodiment additionally provide the temperature control method of the power battery in the utility model, and this method is practical new by this
The humidity control system of power battery in type is implemented, and this method is using motor loss power during the work time as dynamic
Power battery promotes the origin of heat of temperature, to reduce the waste of the energy.With reference to the accompanying drawings and in conjunction with the power electric of electric car
The temperature control method in pond describes preferred embodiments of the present invention.
Fig. 7 is the flow chart of one of the utility model embodiment temperature of powered cell adjusting method.Fig. 7 is referred to,
The temperature control method of power battery provided in this embodiment is used to adjust the temperature of the power battery of electric car and including such as
Lower step:
Step S101: the real time temperature of power battery is monitored.The real time temperature of monitoring power battery can use different
Mode, for example, the methods of monitoring environment temperature, parameter of power battery to obtain the temperature of power battery indirectly, it can also be straight
Connect the temperature of measurement power battery.In some preferred embodiments, power battery includes shell and functional structure, function knot
Structure is arranged in shell, and section of tubing is arranged between shell and functional structure, and the table of functional structure is arranged in temperature sensor
On face, then step S101 includes: using the real time temperature on the surface of temperature sensor monitoring function structure using as power battery
Real time temperature.It is mainly determined by the functional structure of power battery due to the I/O capability of power battery, and power
It is that there is certain temperature difference outside battery case and on the surface of functional structure, therefore, with the power battery that measures
Real time temperature of the temperature on functional structure surface as power battery, the power battery real time temperature measured is more close to power electric
The actual work temperature in pond is conducive to provide temperature degree of regulation.
Step S102: judge whether the real time temperature of power battery is lower than first threshold.It should be noted that this is practical new
First threshold described in type can be configured according to factors such as the type of power battery and practical service environments, the utility model
To this and it is not particularly limited.For example, when at a temperature below 0 DEG C, I/O capability substantially drops for lithium battery
It is low, therefore, first threshold can be set to 0 DEG C, it certainly, can be in order to preferably guarantee the I/O capability of lithium battery
By slightly above 0 DEG C of first threshold setting.
Step S103: the loss power of motor is adjusted according to judging result, when the real time temperature of power battery is higher than or waits
When first threshold, then do not change the loss power of motor, when the real time temperature of power battery is lower than first threshold, then increases
The loss power of motor is so that the heat that motor generates increases, so that it is cold to make to heat up because absorbing the heat increase that motor generates
But liquid heats power battery；Wherein, coolant liquid is arranged in the duct and can circulate in the duct, at least partly manages
Road setting is on power battery and on motor.
The temperature control method of power battery provided in this embodiment, by adjusting electricity according to the real time temperature of power battery
The loss power of machine increases the loss power of motor when temperature is lower than first threshold to generate more heats, and utilize damage
The heat that wasted work rate is converted into is that power battery heats up, and can not only be utilized loss power to reduce energy wave
Take；And the structure of pipeline is relatively simple.
Fig. 8 is the flow chart of another temperature of powered cell adjusting method in the utility model embodiment.Refer to figure
8, when being additionally provided with heater on electric car, a kind of temperature control method of power battery is present embodiments provided, the temperature
Adjusting method includes:
Step S201: the real time temperature of power battery is monitored.
Step S202: judge whether the real time temperature of power battery is lower than first threshold.
Step S203: the loss power of motor is adjusted according to judging result.
Step S204: heater is controlled according to judging result, the coolant liquid in pipeline is heated.
It should be noted that step S203 and step S204 may be performed simultaneously, step S203 can also be first carried out
With any one step in step S204.
The temperature control method of power battery provided in this embodiment, can also be with while adjusting the loss power of motor
The coolant liquid in pipeline is heated using heater, so that the temperature of power battery be made to be increased to first threshold faster
It is quickly realized in low temperature environment so as to power battery and stablizes output.
For motor, then the ratio of mechanical output and loss power is different the input current difference of motor, because
This, can adjust the loss power of motor by adjusting the input current of motor, wherein the input current of motor is by power
What battery provided.Based on this, knot can be judged according to by " loss power of motor being adjusted according to judging result " in step S203
Fruit passes through the input current of control motor to adjust the mechanical output of motor and the ratio of loss power, so as to adjust the damage of motor
Wasted work rate.
Step S203 can be implemented in different ways, below to the different embodiments of step S203 into
Row explanation.
In some alternative embodiments, motor has the first operating mode and the second operating mode, wherein at motor
The percentage of loss power under the first operating mode is greater than the percentage that motor is in the loss power under the second operating mode
Than；Step S203 includes: the dissipation power for adjusting motor by adjusting the operating mode of motor according to judging result.It needs
Bright, although the present embodiment is illustrated with " motor has the first operating mode and the second operating mode ", this is not
Restricted explanation, in fact, the operating mode of motor is not limited to two kinds, be also possible to it is more kinds of, so as to according to power battery
Real time temperature, the driving status of electric car, the factors such as remaining capacity of power battery using suitable electrical machine working mode,
With the continuation of the journey of balanced power battery heating and electric car.
Specifically, electric car guarantees to continue a journey in normal driving process, and the loss power of motor should be made to the greatest extent may be used
Can be low, still, since the fan-out capability of power battery is affected by temperature significantly, it is lower than the in the real time temperature of power battery
When one threshold value, even if can guarantee that the loss power of motor is small, but the cruising ability of electric car is still difficult to ensure, therefore,
The operating mode for adjusting motor, is adjusted to the first operating mode for motor, more heat is generated using the loss power of motor
So that the temperature of power battery increases, to restore the fan-out capability of power battery.When the temperature of power battery is increased to first
When threshold value, the fan-out capability of power battery is guaranteed, then adjust motor operating mode make its loss power reduce to avoid
Energy waste.When power battery is in charged state, power battery is defeated if the temperature of the temperature of power battery is too low
Enter ability to be restricted, or even can not charge, therefore, it is necessary to improve the temperature of power battery to guarantee the input energy of power battery
Power, at this point, motor should be at the first operating mode to generate more heats.Due to usually quiet during power battery charging
Only, therefore, the torque that should control motor output is zero, at this point, should control arrangement of clutch makes the power output of wheel hub and motor
Axis is disconnected to guarantee the static of electric car.
In other optional embodiments, step S203 includes: the real time temperature when power battery lower than the first threshold
When value, heating demand information is generated according to the real time temperature of power battery, heating demand information includes the heating function of power battery
The dissipation power of rate and motor, wherein the heat that the dissipation power of motor generates is made power battery and risen with the power that heats up
Temperature；According to the dissipation power of heating demand information adjustment motor.The present embodiment can not only realize the loss power using motor
Heat up to power battery, and the value of the loss power of motor can be controlled, the loss power to avoid motor it is excessive and
Unnecessary energy dissipation is generated, it can also be less than normal and be unable to satisfy the heating demand of motor to avoid the loss power of motor.Tool
Body, it is illustrated with electric car in driving status, when the real time temperature of power battery is lower than first threshold, controller
According to specific temperature generate heating demand information, and control the loss power of motor with meet power battery with heat up power into
Row heating.It should be noted that when the energy source of the heating demand only using the loss power of motor as power battery, electricity
The loss power of machine is greater than the heating power of power battery, this is because the heat that the loss power of motor is converted into is in electricity
Machine passes to coolant liquid, coolant liquid circulation and coolant liquid and transfers heat in each link of power battery, can all there is energy
Amount loss, and the corresponding relationship between the loss power of motor and the heating power of power battery be can be according to environment temperature
Degree, coolant liquid the factors such as performance determine.For example, the heat that loss power converts when power battery is in a certain temperature has
W% can be used in heating up to power battery, then, when the heating power of power battery is a, the loss power of motor is a/
W%.When power battery is in charged state, electric car is static, and the power output shaft of wheel hub and motor is in disengaged condition,
The loss power of motor is also generated and is controlled in a manner mentioned above.
Further, when humidity control system includes heater, heating demand information can also include adding for heater
Thermal power, at this point, step S204 are as follows: heater is controlled according to the heating power of heater, the coolant in pipeline is added
Heat.Wherein, the heat that the heating power of the dissipation power of motor generates heat and heater generates makes power battery to rise
Warm power heats up.
Fig. 9 is the flow chart of another temperature of powered cell adjusting method in the utility model embodiment.Refer to figure
9, since there is also the higher possibility of temperature for power battery, such as during the broiling summer, power battery is likely to be higher than power
It works under conditions of battery appropriate working temperature, power battery may be caused and burnt or other influences power battery working performance
Problem.For this problem, pipeline may include first pipe and second pipe, wherein first pipe is at least partially disposed in
On power battery, second pipe is at least partially disposed on motor, and cooling device is typically provided on electric car, is based on this,
The present embodiment provides a kind of temperature control method of power battery, which includes the following steps:
Step S301: the real time temperature of power battery is monitored.
Step S302: judge whether the real time temperature of power battery is lower than first threshold.
Step S303a: if temperature is lower than first threshold, the loss power of motor is adjusted according to judging result.It needs
It is bright, second threshold described in the utility model can according to the type of power battery, practical service environment and use purpose
It is configured, the utility model is to this and is not particularly limited.For example, for lithium battery, when its temperature is higher than 60 DEG C,
There is the risk decomposed and lithium battery bulge be easy to cause even to explode in its electrolyte, therefore, can set 60 for second threshold
DEG C, certainly, in order to preferably guarantee the security performance of lithium battery, can be by the and threshold value setting is lower than 60 DEG C, for example, by the
Two threshold values are set as 40 DEG C.
Step S303b: judge whether the real time temperature of power battery is higher than second threshold.
Step S304: cooling device is controlled according to judging result and is cooled down to the coolant liquid for flowing through first pipe.
Temperature control method provided in this embodiment can not only carry out power battery when temperature of powered cell is too low
The I/O capability to guarantee power battery is heated, can also be cooled down when temperature of powered cell is excessively high to power battery
To guarantee the security performance of power battery, therefore, the cruising ability and safety of electric car can be better ensured that.
Figure 10 is the flow chart of another temperature of powered cell adjusting method in the utility model embodiment.Refer to figure
10, the range of the appropriate working temperature of usual motor is wider, so that the appropriate working temperature of power battery and motor is suitable
Suitable operating temperature is different, and therefore, most probably generation power battery needs to adjust temperature and motor is not necessarily to adjust the feelings of temperature
Condition.In view of the above-mentioned problems, being provided with valve between first pipe and second pipe, it is based on this, the utility model embodiment mentions
A kind of temperature control method of power battery is supplied, which includes the following steps:
Step S401: the real time temperature of power battery is monitored.
Step S402: judge whether the real time temperature of power battery is lower than first threshold.
Step S403: according to the unlatching and closure of judging result control valve, wherein if the real time temperature of power battery is low
In first threshold, then control valve is opened, if the real time temperature of power battery is greater than or equal to first threshold, control valve is closed
It closes.
Step S404: the loss power of motor is adjusted according to judging result.
The temperature control method of power battery provided in this embodiment, when power battery needs to heat, by valve opening
So that first pipe is connected to second pipe, power battery is heated using the heat that loss of electric machine power generates；When dynamic
Power battery is without when heating, valve being closed so that first pipe and second pipe are closed, respectively to power battery and motor
Temperature (temperature-fall period for being primarily referred to as power battery and motor) is adjusted, can be avoided and waste extra energy.
When electric car is in charging process, electric car be usually it is static, if it is in the lower (example of environment temperature
Such as winter) under conditions of charge, the electricity that power battery is filled with is less, therefore, need to heat battery at this time with
Promote the temperature of power battery.In order to guarantee the temperature of fast lifting power battery and guarantee that electric car is static, electricity should ensure that
The output power of machine is 0.But can not 100% guarantee motor do not export any mechanical output during operation, therefore,
In order to guarantee that the static of electric car, electric car include arrangement of clutch and wheel hub, motor includes power output shaft, arrangement of clutch
It is connect respectively with power output shaft and wheel hub, arrangement of clutch has the first working condition and the second working condition, wherein works as clutch
When device is in the first working condition, power output shaft and wheel hub are in connection status, when arrangement of clutch is in the second work shape
When state, power output shaft and wheel hub are in disengaged condition.Based on this, the temperature for present embodiments providing a kind of power battery is adjusted
Method further include: whether the working condition of halted state control arrangement of clutch is in control power output shaft according to electric car
Whether it is in disengaged condition with wheel hub, so that whether the mechanical output for controlling motor exports to wheel hub.In the present embodiment, power
Battery charges under the conditions of environment temperature is lower, can be controlled by control arrangement of clutch the motor of electric car with
Disengaged condition is between wheel hub, electric car is in static when heating with the loss power of utility motor to power battery
State.
Figure 11 is the flow chart of another another temperature of powered cell adjusting method in the utility model embodiment.It refers to
Figure 11, when power battery be in temperature it is lower under the conditions of, the peak power output of power battery is insufficient for needed for motor
General power the case where easily occur, in this case, power battery may occur stop power supply possibility.It is asked for this
Topic, present embodiments provides a kind of temperature control method of power battery, this method comprises the following steps:
Step S501: the real time temperature of power battery is monitored.
Step S502: the current peak power output of power battery is monitored.
Step S503: judge whether the real time temperature of power battery is lower than first threshold.
Step S504: the loss power of motor is adjusted according to judging result.
Step S505: power information is adjusted according to the current peak power output of power battery, power information includes motor
Mechanical output and loss power, wherein if the current peak power output of power battery be greater than or equal to loss power and machine
The sum of tool power, then do not adjust power information, if the current peak power output of power battery is less than loss power and mechanical work
The sum of rate then reduces loss power, does not change mechanical output.
Further, the power supply when power battery as heater, then the power information in step S505 further includes heating
The heating power of device, the concrete operations of step S505 are as follows: if the current peak power output of power battery is greater than or equal to loss
The sum of power, mechanical output and heating power, then do not adjust power information, if the current peak power output of power battery is less than
The sum of loss power, mechanical output and heating power do not change mechanical output then, reduce loss power and/or reduction adds
Thermal power.
Temperature control method provided in this embodiment is monitored by the peak power output to power battery, can be kept away
Exempt from the emergency stop that electric car caused by stopping power supply station occurring due to fan-out capability is insufficient for electrical consumption when for power battery,
To improve the security performance and traveling comfort of electric car.
So far, it has been combined preferred embodiment shown in the drawings and describes the technical solution of the utility model, still, this
Field technical staff is it is easily understood that the protection scope of the utility model is expressly not limited to these specific embodiments.?
Under the premise of the principles of the present invention, those skilled in the art can make equivalent change to the relevant technologies feature
Or replacement, the technical solution after these changes or replacement are fallen within the protection scope of the utility model.
Claims (10)
1. a kind of humidity control system of power battery, the humidity control system is used to adjust the power battery of electric car
Temperature, which is characterized in that the humidity control system includes:
Pipeline, is arranged inside the coolant liquid of recyclable flowing, and at least partly described pipeline is arranged in the power battery and electricity
On machine；
Controller is connect with the power battery and the motor respectively, and the controller is configured as monitoring power battery
Real time temperature and judge whether the real time temperature of the power battery is lower than first threshold and described in adjusting according to judging result
The loss power of motor；
Wherein, when the real time temperature of the power battery is greater than or equal to the first threshold, then the controller does not change
The loss power of the motor, when the real time temperature of the power battery is lower than the first threshold, then the controller increases
Add the loss power of the motor so that the heat that the motor generates increases, to make the heat generated because absorbing the motor
The coolant liquid for increasing and heating up heats the power battery.
2. humidity control system according to claim 1, which is characterized in that the humidity control system further include with it is described
The heater of controller connection；
The controller be additionally configured to be controlled according to the judging result heater to the coolant liquid in the pipeline into
Row heating.
3. humidity control system according to claim 2, which is characterized in that the pipeline includes first pipe and the second pipe
Road, wherein the first pipe is at least partially disposed on the power battery, and the second pipe is at least partially disposed in institute
It states on motor, the humidity control system further includes the cooling device connecting with the controller；
The controller is additionally configured to judge whether the real time temperature of the power battery is higher than second threshold and according to described
Judging result controls the cooling device and cools down to the coolant liquid for flowing through the first pipe.
4. humidity control system according to claim 3, which is characterized in that the humidity control system further includes being connected to
Valve between the first pipe and the second pipe, the valve are connect with the controller；
The controller is additionally configured to control the unlatching and closure of the valve according to judging result, wherein if the power
The real time temperature of battery is lower than the first threshold, then the controller control the valve opening so that the first pipe and
The second pipe connection, if the real time temperature of the power battery is greater than or equal to the first threshold, the controller
The valve is controlled to be closed so that the first pipe and the second pipe disconnect.
5. humidity control system according to claim 4, which is characterized in that the electric car includes arrangement of clutch and wheel
Hub, the motor include power output shaft, and the arrangement of clutch is connect with the power output shaft and the wheel hub respectively, described
Arrangement of clutch has the first working condition and the second working condition, wherein when the arrangement of clutch is in the first work shape
When state, the power output shaft and the wheel hub are in connection status, when the arrangement of clutch is in second working condition
When, the power output shaft and the wheel hub are in disengaged condition；
The controller is electrically connected with the arrangement of clutch, and the controller is additionally configured to whether locate according to the electric car
The working condition of the arrangement of clutch is controlled in halted state to control whether the power output shaft and the wheel hub are in de-
Open state, so that whether the mechanical output for controlling the motor exports to the wheel hub.
6. humidity control system according to claim 5, which is characterized in that the humidity control system further include with it is described
At least one temperature sensor of controller communication connection,
The power battery includes shell and functional structure, and the functional structure is arranged in the shell, the first pipe
It is arranged between the shell and the functional structure；
Wherein, the temperature sensor is arranged on the surface of the functional structure, and the controller is by the temperature sensing
Device monitors the real time temperature of the power battery.
7. the humidity control system according to any one of claim 2-6, which is characterized in that
The controller is configured as by controlling the motor input current to adjust the mechanical output and loss of the motor
The ratio of power, so as to adjust the loss power of the motor.
8. humidity control system according to claim 7, which is characterized in that the motor has the first operating mode and the
Two operating modes, wherein the percentage that the motor is in the loss power under first operating mode is greater than the motor
The percentage of loss power under second operating mode；
The controller is configured as adjusting the dissipation power of the motor by adjusting the operating mode of the motor.
9. humidity control system according to claim 7, which is characterized in that
The controller is configured as when the real time temperature of the power battery is lower than the first threshold according to the power
The real time temperature of battery generates heating demand information, and the dissipation power of the motor is adjusted according to the heating demand information,
The heating demand information includes the dissipation power of the heating power and the motor of the power battery, wherein the motor
Dissipation power generate heat the power battery is heated up with the heating power.
10. humidity control system according to claim 9, which is characterized in that
The controller is additionally configured to monitor the current peak power output of the power battery and according to the power battery
Current peak power output adjust power information；
The power information includes the mechanical output and loss power of the motor, wherein if the power battery it is current most
Big output power is greater than or is equal to the sum of the loss power and the mechanical output, then the power information is not adjusted, if institute
The current peak power output for stating power battery is less than the sum of the loss power and the mechanical output, then reduces the loss
Power does not change the mechanical output；
Alternatively, the power information includes the mechanical output of the motor and the heating function of loss power and the heater
Rate, wherein if the current peak power output of the power battery be greater than or equal to the loss power, the mechanical output with
The sum of described heating power does not adjust the power information then, if the current peak power output of the power battery is less than institute
The sum of loss power, the mechanical output and described heating power are stated, then does not change the mechanical output, reduces the loss function
Rate and/or the reduction heating power.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615042.6U CN209472083U (en) | 2018-09-30 | 2018-09-30 | The humidity control system of power battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821615042.6U CN209472083U (en) | 2018-09-30 | 2018-09-30 | The humidity control system of power battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346802A (en) * | 2018-09-30 | 2019-02-15 | 蔚来汽车有限公司 | The humidity control system and method for power battery |
| CN114604103A (en) * | 2022-03-17 | 2022-06-10 | 威睿电动汽车技术(宁波)有限公司 | Active heating method, device, equipment, storage medium and program product of motor |
-
2018
- 2018-09-30 CN CN201821615042.6U patent/CN209472083U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346802A (en) * | 2018-09-30 | 2019-02-15 | 蔚来汽车有限公司 | The humidity control system and method for power battery |
| CN109346802B (en) * | 2018-09-30 | 2022-02-08 | 蔚来(安徽)控股有限公司 | Temperature adjusting system and method for power battery |
| CN114604103A (en) * | 2022-03-17 | 2022-06-10 | 威睿电动汽车技术(宁波)有限公司 | Active heating method, device, equipment, storage medium and program product of motor |
| WO2023174202A1 (en) * | 2022-03-17 | 2023-09-21 | 威睿电动汽车技术(宁波)有限公司 | Active heating method and apparatus for electric motor, and device, storage medium and program product |
| CN114604103B (en) * | 2022-03-17 | 2024-02-02 | 威睿电动汽车技术(宁波)有限公司 | Active heating method, device, equipment, storage medium and program product for motor |
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Effective date of registration: 20200826 Address after: Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Weilai (Anhui) Holding Co., Ltd Address before: 30 Floor of Yihe Building, No. 1 Kangle Plaza, Central, Hong Kong, China Patentee before: NIO NEXTEV Ltd. |