CN109860948A - Battery solenoid heat management device - Google Patents
Battery solenoid heat management device Download PDFInfo
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- CN109860948A CN109860948A CN201910059784.8A CN201910059784A CN109860948A CN 109860948 A CN109860948 A CN 109860948A CN 201910059784 A CN201910059784 A CN 201910059784A CN 109860948 A CN109860948 A CN 109860948A
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- battery
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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 invention discloses a kind of battery solenoid heat management devices, including including the thermally conductive capillary circuit board for being affixed on battery surface setting, the capillary circuit board bottom end seal insertion is located at the reservoir below battery and submerges the liquid level in reservoir hereinafter, the capillary circuit board end sealing is inserted into breather chamber bottom；It is connected between the breather chamber and the reservoir by the helical seal of tube.A kind of battery solenoid heat management device disclosed by the invention; make to permeate phase-change material generation evaporation by using the heat of the capillary attraction battery without power drainage to radiate to battery; carry out phase-change material condensing recovery again later; realize that the stereo circulating of phase-change material uses, it is very environmentally friendly；The temperature difference inside fast uniform single battery, between single battery reduces hot stack, extends battery.
Description
Technical field
The present invention relates to batteries of electric automobile fields, and in particular to a kind of battery solenoid heat management device.
Background technique
With the diversification of automobile industry, environmental problem it is increasingly serious, new-energy automobile industry development is rapid, new energy
Automobile is the trend of nowadays development of automobile, and accounting of the electric car in new-energy automobile is very big.Neck of the country to electric car
Domain also takes much count of.Wherein electric car due to effect on environment with respect to orthodox car it is smaller, use scope is more and more extensive, electronic
Automobile refers to using vehicle power supply as power, with motor driven wheels travel, meets the vehicle of road traffic, security legislation requirements
, heart of the battery as electric car is the key that ev industry development, in addition to the course continuation mileage of battery is electronic vapour
The development bottleneck of vehicle, the safety problem of battery are even more that should not be underestimated.
In electric car, usually by multiple battery cells, serial or parallel connection constitutes one together in different forms
Cell apparatus, to provide required voltage and capacity.Since battery is in charge and discharge process, internal chemical reaction is complicated, and
It is generated with heat, especially for the device of multiple battery cells composition, the aggregation of temperature faster, keeps inside battery rapid
Generate a large amount of heat build-up, necessarily cause battery temperature increase and Temperature Distribution it is unbalanced, so as to cause battery performance
Decline, it is possible that leakage, phenomena such as deflating, smoldering, battery can occur vigorous combustion and even explode when serious.
Battery thermal management is that the influence according to temperature to battery performance combines the electrochemical properties of battery and heat production mechanism,
Best charge and discharge temperature range based on specific battery is established in materialogy, electrochemistry, thermal conduction study, is divided by reasonably designing
On the multidisciplinary multi-field basis such as subdynamics, works in the excessively high situation of temperature for solution battery and cause asking for hot stack
Topic, to promote a new technology of battery overall performance.
Existing battery thermal management system be using low boiling point phase-change material gasification come absorb battery generation heat with
This achievees the purpose that reduction battery operating temperature, low boiling point phase-change material can reach good heat dissipation effect to battery really,
But since there is no the corresponding recyclable devices of phase-change material setting to gasification inside existing battery thermal management system, cold
But a large amount of phase-change material can be wasted when, causes environmental pollution and cost excessively high, and itself is also required to deposit in cooling system
A large amount of phase-change material is stored up, cost is also increased, in battery high power discharge, radiating efficiency is not reached requirement；Patent disclosure
Number a kind of battery pack heat management system is disclosed for the patent of invention of CN 105552476A, solves the heat dissipation problem of battery pack,
Also unusual save the cost, but there is also some problems: cooling phase-change material can not achieve unpowered drainage, and need
Filling the liquid contour with battery just can guarantee heat dissipation effect；Top plate cold plate heat dissipation effect is limited, for air-cooled, cold wind with
Cold plate contact area is limited；Liquid conductive heat can not show a candle to capillary copper pipe group and pass good heat conduction effect in liquid cooling plate, in same feelings
Evaporation rate is relatively slow under condition, and heat dissipation effect is poor；Liquid top plate condenses area, and reflux type and catchment area are limited heat dissipation effect
It is bad；Be easy largely to enter when Phase cooling liquid acutely shakes in the process of moving in cavity upper plate and cold plate it
Between, it is reduced so as to cause the liquid level in cooling bath, influences heat dissipation effect.
Therefore, in order to solve the above problem, a kind of battery solenoid heat management device is needed, it can be in unpowered drainage situation
Under effectively reduce battery bulk temperature, avoided multi-phase change material from shaking in cavity, balanced single battery is internal, single
The temperature difference between body battery reduces hot stack, extends battery, provides a good operating temperature ring to single battery
Border.
Summary of the invention
In view of this, battery solenoid heat management device is provided the purpose of the present invention is overcoming defect in the prior art,
Battery bulk temperature can be effectively reduced in unpowered drainage, and multi-phase change material was avoided to shake in cavity
Dynamic, the temperature difference inside balanced single battery, between single battery reduces hot stack, extends battery, mentions to single battery
For a good working temperature environment.
Battery solenoid heat management device of the invention, including it is thermally conductive be affixed on battery surface setting capillary circuit board,
The capillary circuit board bottom end seal insertion is located at the reservoir below battery and submerges the liquid level in reservoir hereinafter, described
Capillary circuit board end sealing is inserted into breather chamber bottom；Connected between the breather chamber and the reservoir by the helical seal of tube
Logical, single battery is placed in capillary circuit board, and capillary circuit board top is equipped with gas passage and will vaporize by capillary
Steam afterwards is introduced into solenoid, by being flow back into the reservoir of downside after solenoidal cooling liquid.
Effectively to realize that the capillary inside capillary circuit board described in Water-cooling circulating extend into the coolant liquid in reservoir
Interior, when battery temperature is higher, liquid inside the capillary caused transpiration pull due to vaporizing makes capillary
Constantly there is coolant liquid to be supplemented into pipe, the coolant liquid after vaporizing after capillary passes through the ventilation on capillary circuit board top
Room is flowed into the solenoid upper channel being inserted by through-hole, is entered at helix tube later after carrying out cooling liquid and passes through solenoid
The channel of lower part flows back into reservoir, completes the circulation of a water cooling.
Further, the solenoid include the upper end pipeline section being connect with the breather chamber, the spiral section of rapid cooling and with
The lower end tube section of the reservoir connection；The spiral fragment position is provided with and carries out air-cooled fan to it, and the solenoid is
Thermal conductivity and the relatively better metallic copper of ductility are made, and rapid heat dissipation is at low cost, solenoid arrangement when generally with capillary collection
At some gaps are reserved between plate, avoid solenoidal heat from being dispersed into capillary and go, as preferably generally can solenoid with
Thermal insulation board is set between capillary circuit board.
Further, temperature sensor is provided in the battery pack, the temperature sensor signal is connected to controller, institute
Stating controller is the working condition that single-chip microcontroller can control fan according to the signal of temperature sensor, when temperature sensor detects electricity
Pond group when the temperature is excessively high (30 DEG C~40 DEG C), transmits signals to controller, and controller controls fan to the spiral in solenoid
Place carries out quickening cooling.
Further, be integrated with the capillary that multilayer is vertically arranged in the capillary circuit board, and the length of capillary with
The length of circuit board is consistent, and the quantity and arrangement mode of capillary can be arranged according to battery concrete condition, and battery four
All hairiness tubule arrangements, the number of plies generally arranged are greater than three layers.
Further, at the top of the breather chamber on offer the venthole being tightly connected with upper end pipeline section, on the reservoir
Offer the slot connecting with the lower end segment seal.
Further, further include alarm, the alarm signal is connected to the controller, battery pack temperature > 40 DEG C or
At < -25 DEG C, alarm is sounded an alarm, and is conducive to remind artificial treatment, is avoided causing danger.
Further, it is provided with liquid injection port on the reservoir, the cooling liquid measure in reservoir can be added.
Further, low boiling point liquid state phase change material is contained in the reservoir, the fusing point of phase-change material is -35 DEG C, can be with
Extreme low temperature weather is adapted to, can be by phase-change material content in change reservoir, or the caliber of capillary is adjusted to adjust
Two sides liquid state phase change material height with different batteries height change, in order to the swabbing action of capillary, strong applicability.
The beneficial effects of the present invention are: a kind of battery solenoid heat management device disclosed by the invention, by using being not necessarily to
Power drainage capillary attraction battery heat make permeate phase-change material generate evaporation to radiate to battery, later again into
Row phase-change material condensing recovery realizes that the stereo circulating of phase-change material uses, very environmentally friendly；Inside fast uniform single battery,
The temperature difference between single battery reduces hot stack, extends battery, provides a good operating temperature to single battery
Environment is a kind of efficient, reliable battery thermal management control system, can make power battery work within the scope of best temperature.
And in conjunction with controller and temperature sensor and alarm, the temperature of battery is accurately controlled very much, also can under extreme weather
Normal use has the advantages of simple structure and easy realization.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is solenoidal structural schematic diagram；
Fig. 3 is the structural schematic diagram of capillary circuit board and reservoir；
Fig. 4 is capillary circuit board cross-sectional structure schematic diagram；
Fig. 5 is the structural schematic diagram of breather chamber；
Fig. 6 is solenoid and breather chamber attachment structure schematic diagram；
Fig. 7 is the structural schematic diagram of reservoir；
Fig. 8 is the specific flow chart of controller.
Specific embodiment
Fig. 1 is overall structure diagram of the invention, and Fig. 2 is solenoidal structural schematic diagram, and Fig. 3 is capillary circuit board
With the structural schematic diagram of reservoir, Fig. 4 is capillary circuit board cross-sectional structure schematic diagram, and Fig. 5 is the structural representation of breather chamber
Figure, Fig. 6 is solenoid and breather chamber attachment structure schematic diagram, and Fig. 7 is the structural schematic diagram of reservoir, and Fig. 8 is the tool of controller
Body flow chart, as shown, the battery solenoid heat management device in the present embodiment includes that thermally conductive 1 surface of battery that is affixed on is arranged
Capillary circuit board 32,32 bottom end seal of the capillary circuit board insertion are located at the reservoir 31 of 1 lower section of battery and submerge storage
Liquid level in liquid bath 31 is hereinafter, 32 end sealing of capillary circuit board is inserted into 322 bottom of breather chamber；The breather chamber 322
It is connected between the reservoir 31 by the sealing of solenoid 2, single battery 1 is placed in capillary circuit board 32, capillary
32 top of circuit board is equipped with gas passage and the steam after the vaporization of capillary 6 is introduced into solenoid 2, passes through solenoid 2
Cooling liquid after flow back into downside reservoir 31 in.
Effectively to realize that it is cold in reservoir 31 that the capillary 6 inside capillary circuit board 32 described in Water-cooling circulating is extend into
But in liquid, when 1 temperature of battery is higher, liquid inside the capillary 6 caused transpiration pull due to vaporizing comes
Make constantly there is coolant liquid to be supplemented into capillary 6, the coolant liquid after vaporizing after capillary 6 passes through capillary circuit board 32
The breather chamber 322 on top is flowed into 2 upper channel of solenoid being inserted by through-hole, enters at solenoid 2 and is cooled down later
It is flowed back into reservoir 31 after liquefaction by the channel of 2 lower part of solenoid, completes the circulation of a water cooling.
In the present embodiment, the solenoid 2 includes the upper end pipeline section 21 connecting with the breather chamber 322, is quickly cooled down
Spiral section 22 and the lower end tube section 23 being connect with the reservoir 31；22 position of spiral section be provided with it is carried out it is air-cooled
Fan 4, the solenoid 2 are made of thermal conductivity and the relatively better metallic copper of ductility, and rapid heat dissipation is at low cost, in solenoid 2
Some gaps are generally reserved when arrangement between capillary circuit board 32, avoids the heat of solenoid 2 from being dispersed into capillary 6 and goes,
As preferably generally thermal insulation board being arranged between solenoid 2 and capillary circuit board 32.
In the present embodiment, temperature sensor 51 is provided in 1 group of the battery, 51 signal of temperature sensor is connected to
Controller 5, the controller 5 are the working condition that single-chip microcontroller can control fan 4 according to the signal of temperature sensor 51, work as temperature
Sensor 51 detects 1 group of battery (30 DEG C~40 DEG C) when the temperature is excessively high, transmits signals to controller 5, and controller 5 controls wind
It fans and carries out quickening cooling at the spiral in 4 pairs of solenoids 2.
In the present embodiment, the capillary 6 that multilayer is vertically arranged, and capillary 6 are integrated in the capillary circuit board 32
Length it is consistent with the length of circuit board, the quantity and arrangement mode of capillary 6 can carry out cloth according to 1 concrete condition of battery
It sets, and 1 surrounding of battery has the arrangement of capillary 6, the number of plies generally arranged is greater than three layers.
In the present embodiment, the venthole being tightly connected with upper end pipeline section 21 is offered on 322 top of breather chamber, it is described
The slot being tightly connected with the lower end tube section 23 is offered on reservoir 31.
It further include alarm 52 in the present embodiment, 52 signal of alarm is connected to the controller 5,1 group of temperature of battery
At>40 DEG C or<-25 DEG C of degree, alarm 52 is sounded an alarm, and is conducive to remind artificial treatment, is avoided causing danger.
In the present embodiment, be provided with liquid injection port 313 on the reservoir 31, can to the cooling liquid measure in reservoir 31 into
Row addition.
In the present embodiment, low boiling point liquid state phase change material is contained in the reservoir 31, the fusing point of phase-change material is -35
DEG C, it is adapted to extreme low temperature weather, it can be by changing phase-change material content in reservoir 31, or the pipe of adjusting capillary 6
Diameter is to adjust two sides liquid state phase change material height with the height change of different batteries 1, in order to the swabbing action of capillary 6,
Strong applicability.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (8)
1. a kind of battery solenoid heat management device, it is characterised in that: including the thermally conductive capillary collection for being affixed on battery surface setting
At plate, capillary circuit board bottom end seal insertion be located at the reservoir below battery and submerge the liquid level in reservoir with
Under, the capillary circuit board end sealing is inserted into breather chamber bottom；Pass through helical between the breather chamber and the reservoir
Seal of tube connection.
2. battery solenoid heat management device according to claim 1, it is characterised in that: the solenoid include with it is described
The upper end pipeline section of breather chamber connection, the spiral section of rapid cooling and the lower end tube section being connect with the reservoir；The spiral section
Position, which is provided with, carries out air-cooled fan to it.
3. battery solenoid heat management device according to claim 2, it is characterised in that: be provided with temperature in the battery pack
Sensor is spent, the temperature sensor signal is connected to controller, and the controller is that single-chip microcontroller can be according to temperature sensor
The working condition of signal control fan.
4. battery solenoid heat management device according to claim 1, it is characterised in that: collection in the capillary circuit board
At the capillary for having multilayer to be vertically arranged, and the length of capillary is consistent with the length of circuit board.
5. battery solenoid heat management device according to claim 2, it is characterised in that: opened up at the top of the breather chamber
There is the venthole being tightly connected with upper end pipeline section, offers the slot connecting with the lower end segment seal on the reservoir.
6. battery solenoid heat management device according to claim 3, it is characterised in that: it further include alarm, the report
Alert device signal is connected to the controller.
7. battery solenoid heat management device according to claim 1, it is characterised in that: be provided with note on the reservoir
Liquid mouth.
8. battery solenoid heat management device according to claim 1, it is characterised in that: contain low boiling in the reservoir
Point liquid state phase change material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059784.8A CN109860948A (en) | 2019-01-22 | 2019-01-22 | Battery solenoid heat management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059784.8A CN109860948A (en) | 2019-01-22 | 2019-01-22 | Battery solenoid heat management device |
Publications (1)
| Publication Number | Publication Date |
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| CN109860948A true CN109860948A (en) | 2019-06-07 |
Family
ID=66895562
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910059784.8A Pending CN109860948A (en) | 2019-01-22 | 2019-01-22 | Battery solenoid heat management device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140828A (en) * | 2021-04-29 | 2021-07-20 | 傲普(上海)新能源有限公司 | Heat exchange structure for accelerating phase change circulation flow |
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Application publication date: 20190607 |
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