CN208400998U - The Constant temperature regulating device of lithium battery group - Google Patents
The Constant temperature regulating device of lithium battery group Download PDFInfo
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- CN208400998U CN208400998U CN201821118149.XU CN201821118149U CN208400998U CN 208400998 U CN208400998 U CN 208400998U CN 201821118149 U CN201821118149 U CN 201821118149U CN 208400998 U CN208400998 U CN 208400998U
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- Prior art keywords
- lithium battery
- battery group
- oil
- conductive insulating
- heat conductive
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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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 Constant temperature regulating device of lithium battery group described in the utility model, it is to immerse lithium battery group in heat conductive insulating oil, using solar heat collector circulating-heating heat conductive insulating oil, indirect contact heat dissipation is carried out with semiconductor cooling piece and heat conductive insulating oil, to rapidly, equably control the overall work temperature of lithium battery group by the oil temperature for adjusting heat conductive insulating oil.Constant temperature regulating device mainly includes the immersion oil case for accommodating lithium battery group in heat conductive insulating oil；The solar heat collector being connected to is recycled with immersion oil case；And it is set to several semiconductor cooling pieces on the outside of immersion oil case.It is heat conductive insulating oil based on the object that solar energy circulating-heating and semiconductor indirect contact cool down, lithium battery group is placed in heat conductive insulating oil, its entirety heating and cooling are more uniformly and rapid, can preferably play lithium battery group electricity output, and by lithium battery group be placed in good seal, safety working environment in.
Description
Technical field
The utility model relates to a kind of Constant temperature regulating devices applied to rechargeable type lithium battery group, belong to electronic technology neck
Domain.
Background technique
With the fast development of microelectric technique, the equipment of miniaturization is increasing, proposes very high requirement to power supply.
Lithium battery enters the large-scale practical stage therewith.Lithium battery is widely used in through equipment (such as mobile phone), notebook at present
The numerous areas such as computer, electric tool, electric vehicle, street lamp backup power source, boat lamp, household small electric appliance.
Itself and operating ambient temperature are very big for charging, the discharge performance influence of lithium battery.(especially when temperature is lower
It is under winter low-temperature condition), battery intermediate ion migration velocity reduces, and the ohmic internal resistance of electrolyte increases.Due in electrolyte
Resistance is the main source of battery ohmic internal resistance, and chemical reaction velocity reduction causes concentration polarization and activation polarization to increase, this makes
Polarization resistance is obtained also to increase.Therefore, the power output of battery will be correspondingly decreased obviously.Conversely, when temperature rises then situation
On the contrary, cell output can rise；But temperature is too high, and can destroy the chemical balance in battery, leads to side reaction.
Lithium battery temperature control at present is mostly using air blast cooling, air-conditioning thermostatic control etc..Such application technology lacks
Point is it is obvious that control the temperature of lithium battery uneven, and waste of energy.
The earlier application patent of following scheme, application number CN201721327990.5, a kind of entitled household lithium are such as disclosed
The intelligent cooling system of battery further includes microcontroller, often including the lithium battery group being made of 8 string ferric phosphate battery units
One is fixed on a lithium-iron-phosphate cell for acquiring the temperature sensor of lithium-iron-phosphate cell temperature, 8 temperature
Degree sensor is connected by bus with microcontroller；One is further fixed on each lithium-iron-phosphate cell for institute
State the semiconductor chilling plate of lithium-iron-phosphate cell cooling.By the heat dissipation on the radiating surface and Battery case of semiconductor chilling plate
Plate is connected to realize that lithium battery group radiates.
For another example following earlier application patent, application number CN201620928770.7, a kind of entitled solar energy lithium battery add
Hot systems, structure are to be packaged with lithium battery group in the cell housing, and an electricity is arranged between two neighboring lithium battery core plate
Heating plate is coated with insulating layer in battery case periphery；It is provided with temperature sensor, the temperature sensor in the cell housing
Connecting line connect the signal input part for guiding to controller, the control terminal of controller is wired to be opened by what triode or metal-oxide-semiconductor were constituted
The control electrode of element is closed, other the two poles of the earth on the switch element, one is connected to a terminals of electric boiling plate, another
It is connected to another terminals of electric boiling plate after concatenation solar battery, forms solar-electricity hot loop, and by switch element control
The turn-on and turn-off of solar-electricity hot loop processed.
The above-mentioned prior art, although the temperature control to lithium battery group, its technological deficiency can be realized to a certain extent
It is also apparent from.Either semiconductor refrigerating or solar-electricity hot mode, are all based on the heat directly against lithium battery group itself
Amount is transmitted, and the heat dissipation for lithium battery interior is simultaneously uneven, and it is necessary to consider that such radiating mode seals lithium battery group
The influence of performance, security protection performance.Particularly, using solar-electricity hot mode, the thermal loss in low temperature environment is more
Obviously, it is difficult to promptly promote lithium battery group operating temperature.
In view of this, special propose present patent application.
Utility model content
The Constant temperature regulating device of lithium battery group described in the utility model is to solve the above-mentioned problems of the prior art
And immerse lithium battery group in heat conductive insulating oil, using solar heat collector circulating-heating heat conductive insulating oil, dropped with semiconductor
Warm piece and heat conductive insulating oil carry out indirect contact heat dissipation, to by the oil temperature for adjusting heat conductive insulating oil come rapid, equably
Control the overall work temperature of lithium battery group.
To realize above-mentioned purpose of design, the Constant temperature regulating device of the lithium battery group mainly includes:
For accommodating immersion oil case of the lithium battery group in heat conductive insulating oil；
The solar heat collector being connected to is recycled with immersion oil case；
And it is set to several semiconductor cooling pieces on the outside of immersion oil case.
As described above, being heat conductive insulating based on the object that solar energy circulating-heating and semiconductor indirect contact cool down
Oil, lithium battery group are placed in heat conductive insulating oil, and entirety heating is more uniformly and rapid with cooling, can preferably play lithium battery
Group electricity output, and by lithium battery group be placed in good seal, safety working environment in.
Further to improve heating efficiency, improving the temperature rise uniformity for lithium battery group, the solar energy heating
The solar panels and solar heat fuel tank that there is device circulation line to communicate.Wherein,
Solar heat fuel tank is connected to immersion oil case by oil inlet pipe, flowline and circulating pump；
Leaching tank bottoms are provided with fuel tank oil inlet pipe, fuel tank flowline is provided at the top of it.
To improve radiating and cooling efficiency, preferable corrective measure is, in immersion oil box outer wall side, to be provided with heat preservation
Layer；Multiple semiconductor cooling pieces are distributed on the outer wall of immersion oil case, and each semiconductor cooling piece connects a gilled radiator.
To realize automatic control and accurately reflecting lithium battery group temperature dynamic change trend, can be set in immersion oil case
It is equipped with oil temperature sensor.
The Constant temperature regulating device of to sum up content, the application lithium battery group has had the advantage that:
1, it using solar energy heating heat conductive insulating oil and semiconductor indirect contact radiating and cooling, can be realized rapid, equal
The overall work temperature of lithium battery group is adjusted evenly, and cell output is more stable.
2, single unit system energy conservation and environmental protection, for use environment no requirement (NR).
3, more uniform to the heat dissipation of lithium battery interior, it can effectively extend battery.
4, it has no adverse effects for lithium battery group sealing performance, security protection performance.
5, maintenance is convenient with replacement operation, and navigability is strong.
Detailed description of the invention
Fig. 1 is lithium battery group temperature elevation system figure；
Fig. 2 is the cooling of semiconductor cooling piece, electric energy feedback schematic diagram；
Fig. 3 is solar heating system schematic diagram；
Fig. 4 is immersion oil case schematic diagram；
Fig. 5 is semiconductor cooling piece scheme of installation；
As shown in Figures 1 to 5, solar panels 1, solar heat fuel tank 2, oil inlet pipe 3, solar energy heating temperature sensor 4,
Flowline 5, circulating pump 6, fuel tank oil inlet pipe 7, oil temperature sensor 8, heat conductive insulating oil 9, lithium battery group 10, fuel tank flowline 11,
Insulating layer 12, immersion oil case 13, semiconductor cooling piece 14, gilled radiator 15, DC/DC converter 16, semiconductor electrification component
17。
Specific embodiment
Embodiment 1, is with reference to the accompanying drawing described in further detail the utility model.
According to Fig. 1 to Fig. 5, a kind of Constant temperature regulating device of lithium battery group is mainly included
For accommodating immersion oil case 13 of the lithium battery group 10 in heat conductive insulating oil 9；
The solar heat collector being connected to is recycled with immersion oil case 13；
It is set to several semiconductor cooling pieces 14 in 13 outside of immersion oil case.
Wherein, solar heat collector includes the solar panels 1 and solar heat fuel tank 2 that circulation line communicates.The sun
Energy hot oil case 2 is connected to immersion oil case 13 by oil inlet pipe 3, flowline 5 and circulating pump 6；13 bottom of immersion oil case is provided with fuel tank
Oil inlet pipe 7 is provided with fuel tank flowline 11 at the top of it.
It is provided with oil temperature sensor 8 in immersion oil case 13, in the 13 outer wall side of immersion oil case, is provided with insulating layer 12；
Multiple semiconductor cooling pieces 14 are distributed on the outer wall of immersion oil case 13, and each semiconductor cooling piece 14 connects a gilled radiator
15。
Using the thermostatic control method of above-mentioned Constant temperature regulating device, be lithium battery group 10 is placed in immersion oil case 13 it is thermally conductive absolutely
In edge oil 9；By adjusting the oil temperature of heat conductive insulating oil 9, to control the operating temperature of lithium battery group 10.Specifically,
The oil temperature of heat conductive insulating oil 9, that is, monitoring lithium battery group 10 are detected by the oil temperature sensor 8 in immersion oil case 13
Operating temperature.
Solar heat collector is opened when 10 operating temperature of lithium battery group is lower than setting value, immersion oil case 13 adds with solar energy
Oil in thermal is connected to and recycles, and the oil of circulation enters from 13 bottom of immersion oil case, is discharged at the top of immersion oil case 13, to improve leaching
The oil temperature of heat conductive insulating oil 9 in fuel tank 13；It can be by the revolving speed of adjusting circulating pump 6, to improve 9 heating of control heat conductive insulating oil
Speed and precision.
Semiconductor cooling piece 14 is opened when 10 operating temperature of lithium battery group is higher than setting value, semiconductor cooling piece 14 is from outer
Portion carries out heat transmitting heat dissipation to heat conductive insulating oil 9, (increases and dissipates by the gilled radiator 15 connecting with semiconductor cooling piece 14
Heat area and air radiating efficiency), to reduce the oil temperature in immersion oil case 13.
As shown in Fig. 2, the thermal energy of semiconductor cooling piece output is logical during unlatching semiconductor cooling piece is cooled down
It crosses DC/DC converter 16 and feeds back to lithium battery group progress reverse charging, reach making full use of for energy.
Used heat conductive insulating oil 9 helps to realize efficiently two-way heat transfer in immersion oil case 13, and insulate, non-conductive,
The electrical safety of lithium battery group entirety is ensured.
The oil inlet of immersion oil case 13 in lower section, oil outlet above: after high temperature oil enters, in high temperature oil nature uphill process
In, lithium battery group absorbs heat, and the oil of low temperature declines naturally, realizes naturally mixing, is rapidly reached the consistency of oil temperature.
Semiconductor cooling piece 14 is arranged in 13 outer wall of immersion oil case, 14 pairs of reduction oil temperature efficiency highests of semiconductor cooling piece.
After oil temperature is cooling, low-temperature oil declines under natural force, and FCL oil temperature is promoted to exchange decline rapidly.It can be affixed in semiconductor cooling 14
Add heat-conducting silicone grease on 13 outer wall of immersion oil case of side, to reduce thermal resistance.
As described above, similar technical solution can be derived in conjunction with the plan content that attached drawing and description provide.But it is all
Without departing from the plan content of the structure of the utility model, according to the technical essence of the utility model to any made by above description
Component shape, size, the modification of connection type and mounting structure, equivalent variations and modification and each composition component locations and structure
Slight adjustment, still falls within the interest field of technical solutions of the utility model.
Claims (4)
1. a kind of Constant temperature regulating device of lithium battery group, it is characterised in that: include,
For accommodating immersion oil case (13) of the lithium battery group (10) in heat conductive insulating oily (9)；
The solar heat collector being connected to is recycled with immersion oil case (13)；
And it is set to several semiconductor cooling pieces (14) on the outside of immersion oil case (13).
2. the Constant temperature regulating device of lithium battery group according to claim 1, it is characterised in that: the solar energy heating dress
It sets, the solar panels (1) and solar heat fuel tank (2) communicated with circulation line；
Solar heat fuel tank (2) is connected to immersion oil case (13) by oil inlet pipe (3), flowline (5) and circulating pump (6)；
Immersion oil case (13) bottom is provided with fuel tank oil inlet pipe (7), fuel tank flowline (11) are provided at the top of it.
3. the Constant temperature regulating device of lithium battery group according to claim 1 or 2, it is characterised in that: in the immersion oil case
(13) outer wall side is provided with insulating layer (12)；
Multiple semiconductor cooling pieces (14) are distributed on the outer wall of immersion oil case (13), and each semiconductor cooling piece (14) connects a wing
Gilled radiator (15).
4. the Constant temperature regulating device of lithium battery group according to claim 3, it is characterised in that: the setting in immersion oil case (13)
There are oil temperature sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118149.XU CN208400998U (en) | 2018-07-14 | 2018-07-14 | The Constant temperature regulating device of lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118149.XU CN208400998U (en) | 2018-07-14 | 2018-07-14 | The Constant temperature regulating device of lithium battery group |
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| Publication Number | Publication Date |
|---|---|
| CN208400998U true CN208400998U (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821118149.XU Active CN208400998U (en) | 2018-07-14 | 2018-07-14 | The Constant temperature regulating device of lithium battery group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597541A (en) * | 2022-03-11 | 2022-06-07 | 安徽易科新能源科技有限公司 | Preheating lithium battery pack used in low-temperature environment and preheating method |
-
2018
- 2018-07-14 CN CN201821118149.XU patent/CN208400998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597541A (en) * | 2022-03-11 | 2022-06-07 | 安徽易科新能源科技有限公司 | Preheating lithium battery pack used in low-temperature environment and preheating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Constant-temperature adjustment device and method of lithium battery pack Effective date of registration: 20190507 Granted publication date: 20190118 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO HAIYAN ELECTRONIC CO., LTD. Registration number: 2019990000396 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200428 Granted publication date: 20190118 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO HAIYAN ELECTRONICS Co.,Ltd. Registration number: 2019990000396 |