CN207834511U - Heat management device of power battery under a kind of big temperature difference environment - Google Patents
Heat management device of power battery under a kind of big temperature difference environment Download PDFInfo
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- CN207834511U CN207834511U CN201721780956.3U CN201721780956U CN207834511U CN 207834511 U CN207834511 U CN 207834511U CN 201721780956 U CN201721780956 U CN 201721780956U CN 207834511 U CN207834511 U CN 207834511U
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- power battery
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- battery pack
- temperature
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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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Abstract
The utility model discloses heat management device of power batteries under a kind of big temperature difference environment, including：Boosting battery, electric heating film heating device, paraffin energy storage device, hot pipe cooling structure, processor module, the electric heating film heating device and hot pipe cooling structure, which are uniformly embedded into, to be arranged between power battery pack, the paraffin energy storage device is closely arranged in power battery pack periphery and realizes heat conduction with power battery pack, the boosting battery is used for the power supply of electric heating film heating device and control module, and the processor module controls the opening and closing of the electric heating film heating device by detecting the temperature of power battery.The utility model can make the temperature of automobile power cell be in normal working temperature range always under high and extremely low ambient temperature, ensure service life and the performance of battery, adaptable wide, advantages of simple structure and simple.
Description
Technical field
The utility model is related to battery thermal management technical fields, more particularly to the power battery under a kind of big temperature difference environment
Heat management device.
Background technology
As energy crisis and environmental pollution are increasingly severe, electric vehicle solving automobile exhaust pollution at present as a kind of
The effective measure of problem is increasingly valued by people.However, power battery will produce greatly in high-power charge and discharge
The heat of amount；In addition, battery is very sensitive to temperature, excessively high too low temperature can all influence service life and the performance of battery, very
To will appear in extreme circumstances it is on fire explosion etc. major accidents.
Very big in some regional day and night temperatures, the temperature difference is also very big throughout the year, and automobile power cell is very quick to temperature
Sense, which limits electric vehicle promoting the use of in this kind of area.Many battery thermal management systems and method be mostly at present
For eye in the control of battery high-temperature, few one kind, which can either control battery temperature, prevents its excessively high, and can be heated to battery, makes
Its temperature is unlikely to too low power battery thermal management system.
Utility model content
The utility model be in order to solve current driving force battery under the temperature difference very overall situation heat management problems and propose one
Heat management device of power battery under the big temperature difference environment of kind.
The utility model is achieved through the following technical solutions：
Heat management device of power battery under a kind of big temperature difference environment, including：Boosting battery, electric heating film heating device, stone
Wax energy storage device, hot pipe cooling structure, processor module, the electric heating film heating device and hot pipe cooling structure are uniformly embedded into
It is arranged between power battery pack, the paraffin energy storage device is closely arranged in power battery pack periphery and and power electric
Pond group realizes that heat conduction, the boosting battery are used for the power supply of electric heating film heating device and control module, the processor
Module controls the opening and closing of the electric heating film heating device by detecting the temperature of power battery pack.
Preferably, above-mentioned auxiliary battery banks its be mainly characterized by low temperature performance well, minimum operating temperature reaches -50 DEG C, -40
It can be worked normally under DEG C environment and discharge capacity is maintained at 80% or more.
Preferably, the Electric radiant Heating Film of the electric heating film heating device is pure resistor element circuit, therefore its high conversion efficiency, removes small portion
Divide loss（2%）, the overwhelming majority（98%）It is converted to thermal energy, can utmostly use the energy of boosting battery.
Preferably, the paraffin energy storage device includes the heat-conducting metal shell for being provided with sealing inner cavity, heat conduction gold
The sealing lumen loading for belonging to shell has paraffin energy storage material and foam copper mesh, to keep the shape after melted paraffin wax, no
Leakage is generated, and thermal conductivity can be improved.
Preferably, the hot pipe cooling structure includes the heat pipe that several operating temperature ranges are 0 DEG C -75 DEG C, the heat
Between two power battery packs, cold end is connected to outside battery pack in the hot junction of pipe.
Preferably, the cold end of the heat pipe is provided with radiating fin.
Preferably, the heat pipe cold end is additionally provided with auxiliary heat dissipation fan, and the auxiliary heat dissipation fan is supplied by boosting battery
Electricity, and connect with processor module circuit.
Preferably, the processor module includes temperature collecting module, control module, and the temperature collecting module is used
In the Current Temperatures of detection power battery pack in real time, the control module is used for the Current Temperatures control according to the power battery pack
The opening and closing of electric heating film heating device and the auxiliary heat dissipation fan processed.
Preferably, the temperature collecting module includes thermocouple temperature sensor and signal processing module, the thermoelectricity
The temp probe of even temperature sensor is tightly attached on each power battery pack surface and battery-pack exterior casing, dynamic for detecting
The internal and external temperature of power battery pack；The signal processing module is used to after converting the electric signal of thermocouple temperature sensor be delivered to
Control module.
Preferably, the power battery pack, boosting battery, electric heating film heating device, paraffin energy storage device, heat pipe dissipate
It is set on automobile chassis after heat structure, processor module integrating.
The utility model is mainly used for the heat management of power battery, its advantage compared with existing heat management device of power battery
It is：
1, adaptable, the temperature of cell body can be kept to be in normal always under high and extremely low ambient temperature
Operating temperature range.
2, the application of paraffin energy storage material can be such that the rate of battery temperature raising and lowering reduces, and reduce the temperature of battery pack
Difference improves temperature uniformity.
3, electric heating film gives battery pack to heat, makes it in environment with the features such as small, efficient using electric heating film
Warm can be rapidly completed in temperature in the case of temperature is very low, reach normal working temperature range.
Description of the drawings
Fig. 1：The heat management device structure chart of the utility model embodiment.
Fig. 2：The heat management device course of work schematic diagram of the utility model embodiment.
1- paraffin energy storage device in figure；2- foam copper mesh；3- power battery packs；4- hot pipe cooling structures；5- electric heating films
Heating device.
Specific implementation mode
The purpose of utility model of the utility model is described in further detail in the following with reference to the drawings and specific embodiments,
Embodiment cannot repeat one by one herein, but therefore the embodiment of the utility model is not defined in following embodiment.
As depicted in figs. 1 and 2, heat management device of power battery under a kind of big temperature difference environment, including：Boosting battery, electricity add
Hotting mask heating device 5, paraffin energy storage device 1, hot pipe cooling structure 4, processor module, 5 He of electric heating film heating device
Hot pipe cooling structure 4, which is uniformly embedded into, to be arranged between power battery pack 3, and the paraffin energy storage device 1 is closely arranged described
Simultaneously realize that heat conduction, the boosting battery are used for electric heating film heating device 5 with power battery pack 3 in 3 periphery of power battery pack
With the power supply of processor module, the control module controls the electric heating film heating dress by detecting the temperature of power battery pack
Set 5 opening and closing.
Shown auxiliary battery banks are the battery of one group of low temperature performance well, reachable -50 DEG C of minimum operating temperature, in -40 DEG C of rings
It can also be worked normally under border and discharge capacity is maintained at 80% or more.
The Electric radiant Heating Film of the electric heating film heating device 5 is pure resistor element circuit, therefore its high conversion efficiency, except fraction loses
（2%）, the overwhelming majority（98%）It is converted to thermal energy, can utmostly use the energy of boosting battery.
The paraffin energy storage device 1 includes being provided with the aluminium shell for sealing inner cavity, in the sealing of the aluminium shell
Chamber is filled with paraffin energy storage material and foam copper mesh 2, to can keep the shape after melted paraffin wax, do not generate leakage and
Improve thermal conductivity.
The hot pipe cooling structure 4 includes the room temperature aluminium strip heat pipe that several operating temperature ranges are 0 DEG C -75 DEG C, described
Between two power battery packs, cold end is connected to outside power battery pack in the hot junction of room temperature aluminium strip heat pipe.The room temperature aluminium strip heat
The cold end of pipe is provided with radiating fin and auxiliary heat dissipation fan, the auxiliary heat dissipation fan by intermediate battery supply, and with processing
Device modular circuit connects.
As shown in Fig. 2, the processor module includes temperature collecting module, control module, the temperature acquisition mould
Block in real time detect power battery pack 3 Current Temperatures, the temperature collecting module include thermocouple temperature sensor and
Signal processing module, the temp probe of the thermocouple temperature sensor be tightly attached to 3 surface of each power battery pack and
On battery-pack exterior casing, the internal and external temperature for detecting power battery pack；The signal processing module is for passing electric thermo-couple temperature
It is delivered to control module after the electric signal conversion of sensor.The control module is used for the Current Temperatures according to the power battery pack
Control the opening and closing of electric heating film heating device 5 and the auxiliary heat dissipation fan, that is, when detecting cell body internal and external temperature, when
When the temperature of power battery pack 3 is less than appropriate working temperature value range lower limit, the electric heating film heating device is powered to power
Battery pack 3 is heated；When 3 temperature of power battery pack is higher than the appropriate working temperature value range upper limit, in addition to heat pipe heat radiation knot
Outside structure 4 is radiated, the wax phase change in the paraffin energy storage device 1 absorbs heat；If 3 temperature of power battery pack still quickly on
It rises, then opens the auxiliary heat dissipation fan, accelerate the heat dissipation of hot pipe cooling structure 4 that battery temperature is made to drop in reasonable range
Since the auxiliary battery voltage capacity is much smaller with respect to power battery pack 3, but cryogenic property is apparent excellent
In power battery pack, therefore, the considerations of for structural compactness angle, the power battery pack, boosting battery, electric heating film add
Thermal 5, paraffin energy storage device 1, hot pipe cooling structure 4, processor module integrating are set to automobile at a big module
On chassis, occupied space is reduced.
The operation principle of above-described embodiment is：Battery temperature is set to rise to properly by heating film heating in low temperature environment
Working range in；When cell body when the temperature is excessively high, heat is absorbed by paraffin energy storage material and electricity made by heat pipe heat radiation
Pond temperature drops in rational range, ensures that thermal runaway do not occur under the very high environment of temperature for battery, and energy storage material can be with
Play insulation effect.In addition, when environment temperature is relatively low, energy storage material can also play insulation effect, reduce heat loss, make
Battery is in suitable operating temperature range, keeps good working characteristics.
Above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to the embodiment of the utility model.For those of ordinary skill in the art, on the basis of above description
On can also make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.
All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in this reality
Within novel scope of the claims.
Claims (10)
1. heat management device of power battery under a kind of big temperature difference environment, which is characterized in that including：Boosting battery, electric heating film add
Thermal, paraffin energy storage device, hot pipe cooling structure, processor module, the electric heating film heating device and heat pipe heat radiation knot
Structure, which is uniformly embedded into, to be arranged between power battery pack, and the paraffin energy storage device is closely arranged in power battery pack periphery
And realize that heat conduction, the boosting battery are used for the power supply of electric heating film heating device and control module with power battery pack,
The processor module controls the opening and closing of the electric heating film heating device by detecting the temperature of power battery pack.
2. heat management device of power battery under big temperature difference environment according to claim 1, which is characterized in that the auxiliary
Battery minimum operating temperature reaches -50 DEG C, can be worked normally under -40 DEG C of environment and discharge capacity is maintained at 80% or more.
3. heat management device of power battery under big temperature difference environment according to claim 1, which is characterized in that the electrical heating
The Electric radiant Heating Film of film heating device is pure resistor element circuit.
4. heat management device of power battery under big temperature difference environment according to claim 1, which is characterized in that the paraffin storage
Energy device includes the heat-conducting metal shell for being provided with sealing inner cavity, and the sealing lumen loading of the heat-conducting metal shell has paraffin
Energy storage material and foam copper mesh.
5. heat management device of power battery under big temperature difference environment according to claim 1, which is characterized in that the heat pipe
Radiator structure includes the heat pipe that several operating temperature ranges are 0 DEG C -75 DEG C, and the hot junction of the heat pipe is embedded in two power battery packs
Between, cold end is connected to outside power battery pack.
6. heat management device of power battery under big temperature difference environment according to claim 1, which is characterized in that the heat pipe
Cold end is provided with radiating fin.
7. heat management device of power battery under big temperature difference environment according to claim 6, which is characterized in that the heat pipe cold
End is additionally provided with auxiliary heat dissipation fan, and the auxiliary heat dissipation fan is connect by intermediate battery supply, and with processor module circuit.
8. heat management device of power battery under big temperature difference environment according to claim 7, which is characterized in that the processing
Device module includes temperature collecting module, control module, and the temperature collecting module for detecting working as power battery pack in real time
Preceding temperature, the control module are used to control electric heating film heating device and described according to the Current Temperatures of the power battery pack
The opening and closing of auxiliary heat dissipation fan.
9. heat management device of power battery under big temperature difference environment according to claim 8, which is characterized in that the temperature
Acquisition module includes thermocouple temperature sensor and signal processing module, and the temp probe of the thermocouple temperature sensor is close to
On each power battery pack surface and battery-pack exterior casing, the internal and external temperature for detecting battery pack；At the signal
Reason module is used to be delivered to control module after converting the electric signal of thermocouple temperature sensor.
10. heat management device of power battery under big temperature difference environment according to claim 1, it is characterised in that：Described is dynamic
Power battery pack, boosting battery, electric heating film heating device, paraffin energy storage device, hot pipe cooling structure, processor module integrate whole
It is set on automobile chassis after conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780956.3U CN207834511U (en) | 2017-12-15 | 2017-12-15 | Heat management device of power battery under a kind of big temperature difference environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780956.3U CN207834511U (en) | 2017-12-15 | 2017-12-15 | Heat management device of power battery under a kind of big temperature difference environment |
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| CN207834511U true CN207834511U (en) | 2018-09-07 |
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| CN201721780956.3U Active CN207834511U (en) | 2017-12-15 | 2017-12-15 | Heat management device of power battery under a kind of big temperature difference environment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946683A (en) * | 2017-12-15 | 2018-04-20 | 华南理工大学 | Heat management device of power battery under a kind of big temperature difference environment |
| CN109860454A (en) * | 2018-12-16 | 2019-06-07 | 北京工业大学 | A kind of synthesis battery thermal management method based on Electric radiant Heating Film and phase-change material |
| WO2022214573A1 (en) * | 2021-04-07 | 2022-10-13 | Valeo Systemes Thermiques | Electrical and/or electronic component for an electronic system comprising a plurality of heat management means |
-
2017
- 2017-12-15 CN CN201721780956.3U patent/CN207834511U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946683A (en) * | 2017-12-15 | 2018-04-20 | 华南理工大学 | Heat management device of power battery under a kind of big temperature difference environment |
| CN107946683B (en) * | 2017-12-15 | 2024-06-25 | 华南理工大学 | Power battery thermal management device under large temperature difference environment |
| CN109860454A (en) * | 2018-12-16 | 2019-06-07 | 北京工业大学 | A kind of synthesis battery thermal management method based on Electric radiant Heating Film and phase-change material |
| WO2022214573A1 (en) * | 2021-04-07 | 2022-10-13 | Valeo Systemes Thermiques | Electrical and/or electronic component for an electronic system comprising a plurality of heat management means |
| FR3121787A1 (en) * | 2021-04-07 | 2022-10-14 | Valeo Systemes Thermiques | Electrical and/or electronic component for an electronic system comprising a plurality of heat treatment means |
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