CN112366389B - Automatic heat preservation and radiating liquid cooling battery - Google Patents
Automatic heat preservation and radiating liquid cooling battery Download PDFInfo
- Publication number
- CN112366389B CN112366389B CN202011244506.9A CN202011244506A CN112366389B CN 112366389 B CN112366389 B CN 112366389B CN 202011244506 A CN202011244506 A CN 202011244506A CN 112366389 B CN112366389 B CN 112366389B
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- liquid
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- piston
- piston cylinder
- cooled
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses an automatic heat preservation and heat dissipation liquid-cooled battery, which relates to the field of batteries and comprises a voltage transformation device, a liquid-cooled plate, a battery shell and a battery, wherein the battery and the liquid-cooled plate are alternately arranged in the battery shell, the liquid-cooled plate is hollow, the top of the liquid-cooled plate is communicated with an upper cavity of an inner piston cylinder in the voltage transformation device through a gas pipeline, the bottom of the liquid-cooled plate is communicated with the liquid-cooled pipeline, a piston rod consists of an upper piston and a lower piston, the upper piston is in sliding connection with the inner piston cylinder, the lower piston is in sliding connection with an outer piston cylinder, the inner piston cylinder is fixedly connected in the outer piston cylinder, and expansion liquid is contained in the outer piston cylinder and positioned above the lower piston. The mode of switching condensation and heat preservation is realized by using the performance of the voltage transformation device and the nickel-titanium alloy memory spring on different temperatures, and the mode does not need any electric control mechanism, has simple structure and saves energy.
Description
Technical Field
The invention relates to the field of batteries, in particular to a liquid-cooled battery capable of automatically preserving heat and dissipating heat.
Background
The automobile battery is used as a key technology of the electric automobile, the automobile battery directly determines the use performance of the automobile, the requirement of the automobile battery on the working environment temperature is high, the influence of the working temperature on the service life and the performance of the automobile battery is very large, the heat dissipation of the automobile battery is important, the current main heat dissipation modes of the automobile battery are air cooling and liquid cooling, for battery temperature control, in a low-temperature environment, the battery is mainly heated by a battery heating film and a water heating PTC (positive temperature coefficient) heating coolant, however, at low temperature, no good heat preservation measures are available at present, and particularly in the low-temperature region throughout the year, when the automobile battery works, a battery heating film and a water heating PTC heating cooling liquid are also needed to heat the battery, so that an automobile battery module which can automatically preserve heat and automatically dissipate heat is needed, under different ambient temperature mode of operation, can let battery module automatic switch into different heat conduction states.
Disclosure of Invention
The present invention is directed to a liquid-cooled battery with automatic heat preservation and dissipation to solve the above-mentioned problems in the background art.
The utility model provides an automatic heat preservation and radiating liquid cooling battery, includes potential device, liquid cooling board, battery case and battery, the battery is installed in battery case with liquid cooling board looks alternation, liquid cooling board cavity, and the epicoele intercommunication of the interior piston cylinder in gas pipeline and the potential device is passed through at its top, the bottom and the liquid cooling pipeline intercommunication of liquid cooling board, potential device includes interior piston cylinder, outer piston jar and piston rod, the piston rod comprises last piston and lower piston, go up piston and interior piston cylinder sliding connection, lower piston and outer piston jar sliding connection, interior piston cylinder fixed connection is in outer piston cylinder, the top splendid attire that just is located lower piston in the outer piston cylinder has inflation liquid, the lower part of outer piston cylinder is equipped with the gas vent.
Preferably, the expansion liquid is an aqueous carbonic acid solution.
Preferably, a piston plate is arranged in the liquid cooling plate, a spring is arranged between the piston plate and the upper wall of the liquid cooling plate,
preferably, the spring is a nickel titanium alloy memory spring.
Preferably, a heat preservation cushion pad is arranged below the battery.
Preferably, the liquid cooling pipeline is communicated with an automobile cooling system.
Preferably, the lower part of the liquid cooling plate is provided with a limiting port.
Preferably, carbon dioxide is stored in the gas pipeline.
The invention has the advantages that: when the temperature of the battery rises and the automobile shakes during running, carbon dioxide is generated due to the fact that the state of the carbonic acid water solution is unstable, the piston rod is pushed to move downwards, the piston sheet moves upwards, meanwhile, the spring made of memory metal can pull the piston sheet to move upwards when being heated, the piston sheet moves upwards to suck cooling liquid into the liquid cooling plate from the liquid cooling pipeline, and due to the fact that the condensation pipeline is communicated with a cooling system of the automobile, heat exchange can be achieved in the cooling liquid through heat, and condensation is achieved.
When the temperature is lower, carbon dioxide fuses carbonic acid aqueous solution again, and the epicoele atmospheric pressure of outer piston cylinder reduces, and the piston rod shifts up, makes the piston piece move down with the same reason, and the coolant liquid backward flow goes into the condenser pipe, is full of carbon dioxide in the liquid cold plate this moment, and hollow liquid cold plate that has carbon dioxide plays heat retaining effect with the heat preservation blotter jointly, and the protection battery can normal operating.
The mode of transforming condensation and heat preservation does not need any electric control mechanism, has simple structure and saves energy.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
In the figure: 1-a pressure changing device, 2-a liquid cooling plate, 3-a battery shell, 4-a battery, 5-a gas pipeline, 6-a liquid cooling pipeline, 7-a piston sheet, 8-a spring, 9-a heat preservation buffer cushion, 10-a limiting port, 11-an inner piston cylinder, 12-an outer piston cylinder, 12 a-an exhaust port, 13-a piston rod, 14-an expansion liquid, 13 a-an upper piston and 13 b-a lower piston.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
A liquid-cooled battery with automatic heat preservation and heat dissipation comprises a transformer 1, a liquid-cooled plate 2, a battery shell 3 and a battery 4, the battery 4 and the liquid cooling plate 2 are alternately arranged in the battery shell 3, the liquid cooling plate 2 is hollow, and the top of the pressure changing device is communicated with the upper cavity of an inner piston cylinder 11 in the pressure changing device 1 through a gas pipeline 5, the bottom of the liquid cooling plate 2 is communicated with a liquid cooling pipeline 6, the transformer 1 comprises an inner piston cylinder 11, an outer piston cylinder 12 and a piston rod 13, the piston rod 13 consists of an upper piston 13a and a lower piston 13b, the upper piston 13a is connected with the inner piston cylinder 11 in a sliding way, the lower piston 13b is connected with the outer piston cylinder 12 in a sliding way, the inner piston cylinder 11 is fixedly connected in the outer piston cylinder 12, expansion liquid 14 is contained in the outer piston cylinder 12 and positioned above the lower piston 13b, and an exhaust port 12a is arranged at the lower part of the outer piston cylinder 12.
In this embodiment, the expansion liquid 14 is an aqueous carbonic acid solution. The carbonic acid aqueous solution can release carbon dioxide under the conditions of shaking and heating, and the conditions that the air pressure is increased when the carbonic acid aqueous solution is heated to push the piston rod 13 to move downwards, the carbon dioxide is dissolved in the carbonic acid aqueous solution when the carbonic acid aqueous solution is cooled, the air pressure is reduced, and the piston rod 13 moves upwards are met.
In the embodiment, a piston plate 7 is arranged in the liquid cooling plate 2, a spring 8 is arranged between the piston plate 7 and the upper wall of the liquid cooling plate 2,
in this embodiment, the spring 8 is a nitinol memory spring. The nickel-titanium alloy memory spring has the characteristic of thermal contraction and cold extension, and is used together with a voltage transformation device to act on a piston sheet to realize the suction and backflow of cooling liquid.
In this embodiment, a heat insulating cushion 9 is provided below the battery 4. The heat preservation cushion 9 can provide heat preservation and shock absorption for the battery.
In this embodiment, the liquid cooling pipe 6 communicates with a cooling system of the vehicle. The cooling liquid in the liquid cooling pipeline 6 continuously circulates and flows through the cooling system, and heat can be transferred to the cooling liquid in the liquid cooling pipeline 6 through the cooling liquid in the liquid cooling plate, so that the heat is taken away.
In this embodiment, the lower portion of the liquid cooling plate 2 is provided with a limiting opening 10. The limiting opening 10 is to prevent the piston plate 7 from moving down and falling into the liquid cooling pipe 6.
In this embodiment, carbon dioxide is stored in the gas pipe 5. The carbon dioxide has good heat insulation effect and can play a role in heat preservation and heat insulation of the battery at low temperature.
The working principle and the process thereof are as follows:
in the driving process of an automobile, a battery 4 can emit heat due to discharging, carbon dioxide can be released by carbonated water under the dual actions of heating and shaking, the air pressure of an upper cavity of an outer piston cylinder 12 is increased, a piston rod 13 moves downwards under the action of pressure, air in a lower cavity is exhausted through an air outlet 12a, when the piston rod 13 moves downwards, an upper piston 13a moves downwards in an inner piston cylinder 11, a gas pipeline 5 is communicated with the top of a liquid cooling plate 2, at the moment, a piston sheet 7 moves upwards under the action of air suction, the piston sheet 7 is connected with the upper inner wall of the liquid cooling plate 2 through a spring 8, the spring 8 is nickel-titanium alloy memory metal, and when the spring is heated, the spring 8 can also give a pulling force to the piston sheet 7, and the piston sheet 7 moves upwards under the dual actions to suck cooling liquid in a condensation pipeline into the liquid cooling plate 2.
The heat of battery 4 is passed through in liquid cold plate 2 transmits the coolant liquid, and the coolant liquid in liquid cold plate 2 is communicating with the coolant liquid in the condenser pipe, and the coolant liquid in the condenser pipe is under automobile cooling system's effect, and continuous circulation flow, at this moment the heat will be taken away through the condenser pipe to the realization is cooled down for battery 4.
When the automobile does not run or the environmental temperature is very low, carbon dioxide is easy to be added into the carbonic acid water solution again, the cooling liquid flows back to the condensation pipeline at the moment, the liquid cooling plate 2 is in a hollow state filled with carbon dioxide, serves as a heat insulation interlayer, and performs heat insulation on the battery 4 together with the heat insulation cushion pad 9, so that the heat insulation capacity is improved.
Based on the above: the mode of transforming condensation and heat preservation does not need any electric control mechanism, has simple structure and saves energy.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. The utility model provides an automatic heat preservation and radiating liquid cooling battery, its characterized in that, includes vary voltage device (1), liquid cooling board (2), battery case (3) and battery (4), battery (4) and liquid cooling board (2) are installed in battery case (3) each other in turn, liquid cooling board (2) cavity, and the upper chamber intercommunication of interior piston cylinder (11) in its top through gas pipeline (5) and vary voltage device (1), the bottom and the liquid cooling pipeline (6) intercommunication of liquid cooling board (2), vary voltage device (1) includes interior piston cylinder (11), outer piston cylinder (12) and piston rod (13), piston rod (13) comprise upper piston (13 a) and lower piston (13 b), upper piston (13 a) and interior piston cylinder (11) sliding connection, lower piston (13 b) and outer piston cylinder (12) sliding connection, the inner piston cylinder (11) is fixedly connected in the outer piston cylinder (12), expansion liquid (14) is contained in the outer piston cylinder (12) and located above the lower piston (13 b), an exhaust port (12 a) is formed in the lower portion of the outer piston cylinder (12), and the expansion liquid (14) is a carbonic acid water solution.
2. The liquid-cooled battery with automatic heat preservation and dissipation functions as claimed in claim 1, wherein a piston plate (7) is arranged in the liquid-cooled plate (2), and a spring (8) is arranged between the piston plate (7) and the upper wall of the liquid-cooled plate (2).
3. The self-sustaining and self-dissipating liquid-cooled battery according to claim 2, wherein said spring (8) is a nitinol memory spring.
4. An automatic heat preservation and dissipation liquid-cooled battery as claimed in claim 1, characterized in that a heat preservation cushion (9) is provided under the battery (4).
5. An automatic heat preservation and dissipation liquid-cooled battery as claimed in claim 1, characterized in that said liquid-cooled pipe (6) is in communication with the cooling system of the vehicle.
6. The liquid-cooled battery with automatic heat preservation and dissipation functions as claimed in claim 1, wherein a limiting opening (10) is formed in the lower portion of the liquid-cooled plate (2).
7. An automatically heat retaining and dissipating liquid-cooled battery according to claim 1, characterized in that carbon dioxide is stored in said gas duct (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244506.9A CN112366389B (en) | 2020-11-10 | 2020-11-10 | Automatic heat preservation and radiating liquid cooling battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244506.9A CN112366389B (en) | 2020-11-10 | 2020-11-10 | Automatic heat preservation and radiating liquid cooling battery |
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| CN112366389A CN112366389A (en) | 2021-02-12 |
| CN112366389B true CN112366389B (en) | 2021-10-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115621618A (en) * | 2022-12-14 | 2023-01-17 | 江苏智纬电子科技有限公司 | Sodium battery module temperature regulating equipment |
| CN117097007B (en) * | 2023-10-20 | 2024-01-23 | 中国电建集团西北勘测设计研究院有限公司 | Portable power supply device for underwater robot |
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