CN212675127U - Battery coupling heat dissipation experimental apparatus - Google Patents
Battery coupling heat dissipation experimental apparatus Download PDFInfo
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- CN212675127U CN212675127U CN202020913213.4U CN202020913213U CN212675127U CN 212675127 U CN212675127 U CN 212675127U CN 202020913213 U CN202020913213 U CN 202020913213U CN 212675127 U CN212675127 U CN 212675127U
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- heat dissipation
- battery
- fan
- cavity
- experimental device
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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 provides a battery coupling heat dissipation experimental apparatus. The experimental device comprises a fan, an evaporative cooling system, a heat dissipation cavity and a data acquisition system; the evaporative cooling system consists of a throttle valve, a nozzle, a filter, a flowmeter, a water tank, a micro water pump and a safety valve; the inside pressure sensor, temperature sensor and humidity transducer that include of heat dissipation case. The utility model discloses rapid evaporation of liquid drop reduces air in the box and the battery surface temperature that generates heat when make full use of spraying, and the homogeneity that utilizes the fan to cool off and improve the liquid drop distribution to the battery simultaneously has improved battery radiating effect. The box body is made of transparent materials and is used for observing the distribution of liquid drops in the cooling process.
Description
Technical Field
The utility model relates to a battery coupling heat dissipation experimental apparatus especially is used for electric automobile power battery heat dissipation problem, the utility model discloses still relate to the operation method of this system, have cooling performance superior, energy-conservation, characteristics such as cooling process is visual.
Background
With the development of the electric automobile technology, the conventional cooling technology (forced air cooling, forced water cooling and the like) cannot further meet the heat dissipation requirement of the power battery when being used alone. Therefore, a novel cooling technology must be used to solve the heat dissipation problem of the power battery under the condition of high-rate continuous discharge. The evaporative cooling technology has the characteristics of large heat transfer coefficient, good temperature uniformity, simple structure and low energy consumption, and is a popular cooling means in recent years.
The utility model discloses with evaporation cooling with as power battery radiating mode to combine evaporation cooling and forced air cooling to form a neotype coupling radiating mode, through performance degradation and the security problem that battery under the coupling heat dissipation effective control operating condition causes because of the high temperature. The utility model discloses the intention is through this kind of coupling radiating mode, realizes improving battery surface temperature homogeneity, reducing the battery and maximizing, practicing thrift running cost's purpose to power battery's quick cooling under the operating condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the heat dissipation problem of power battery under the high multiplying power of new forms of energy electric automobile lasts the discharge condition, provide coupling heat dissipation experimental apparatus. Utilize the utility model discloses, reach quick cooling through the evaporation of a large amount of tiny water droplets of atomizing in operational environment to improve liquid drop distribution uniformity through the fan, thereby improve battery surface temperature's homogeneity.
The experimental device comprises a fan, an evaporative cooling system, a heat dissipation cavity and a data acquisition system. The evaporative cooling system comprises a water tank, a micro water pump, a throttle valve, a safety valve, a nozzle, a filter and a flowmeter; a pressure gauge and a thermometer are arranged on a pipeline of the evaporative cooling system and used for measuring the spraying pressure and the liquid temperature, and a nozzle of the evaporative cooling system is connected with an inlet of the heat dissipation cavity; the heat dissipation cavity is made of organic glass, a battery pack is arranged in the cavity, and the nozzle is arranged at the inlet of the heat dissipation cavity; a temperature sensor, a pressure sensor and a humidity sensor are also arranged in the heat dissipation cavity, and the sensors are externally connected with a data acquisition unit; the data acquisition unit is connected with the temperature sensor, the pressure sensor and the humidity sensor to form a data acquisition system. The fan is installed in the air inlet department in heat dissipation chamber, adjusts the fan wind speed through the air speed regulator.
The utility model discloses still relate to a battery coupling heat dissipation experimental apparatus's application method, this method step is as follows:
adjusting the distance between a fan in a spray chamber and a battery pack, fixing a nozzle, and adjusting the pressure of an overflow valve;
turning on a fan, and adjusting the wind speed to the size required by the experiment;
step three, starting the micro water pump, adjusting the flow of water in the pipeline by adjusting the throttle valve, observing the indication of a flow meter on the pipeline, and adjusting the flow to the expected size;
discharging the battery pack, starting a data acquisition system, and acquiring the temperature, humidity and surface temperature of the battery in the cavity until the battery discharge is finished;
fifthly, the spraying flow velocity and the wind speed are readjusted, the discharge rate of the battery is improved, and data acquisition is started again until the point discharge is finished;
and step six, recording final data, and closing the throttle valve, the water pump and the fan in sequence.
The surface of the battery pack is provided with a temperature sensor for measuring the temperature entering the surface of the battery.
The battery pack is characterized in that the fan is started preferentially before the battery pack starts to discharge, and then the evaporative cooling system is started, so that the accumulation of liquid drops is prevented, and the liquid drops can be uniformly distributed in the heat dissipation box.
The spraying intracavity is equipped with humidity transducer for the humidity in the real-time supervision heat dissipation intracavity ensures that heat dissipation intracavity humidity does not surpass the scope of defining, influences the use of battery.
The utility model relates to a battery coupling heat dissipation experimental apparatus, owing to adopt above-mentioned scheme, the distilled water is atomized into a large amount of tiny liquid drops and sprays the heat dissipation incasement after getting into the nozzle by the water pump, and the fan air-out increases the diffusion efficiency of liquid drop in the cooling heating battery group, and the liquid drop spreads to evaporate the heat absorption around the group battery and reduces battery surface temperature and takes away the vapor from the battery surface rapidly by the fan. By the coupling heat dissipation mode, the power battery is quickly cooled in a working state, the uniformity of the surface temperature of the battery is improved, the highest temperature of the battery is reduced, and the running cost is saved.
Drawings
FIG. 1 is a schematic diagram of the battery coupling heat dissipation experimental apparatus of the present invention;
number designation in the figures: the system comprises a water tank 1, a miniature water pump 2, a throttle valve 3, a filter 4, a flowmeter 5, a pressure gauge 6, a thermometer 7, a heat dissipation cavity 8, a humidity sensor 9, a pressure sensor 10, a data acquisition system 11, a temperature sensor 12, a discharge battery 13, a fan 14, a spray 15, a safety valve 16, a pipeline branch 17 and a main liquid feeding path 18.
Detailed Description
The following description of the battery coupling heat dissipation experimental apparatus according to the present invention with reference to fig. 1 includes: a liquid feeding main path 18 is formed by the water tank 1, the micro water pump 2 and the throttle valve 3, a pipeline provided with a safety valve 16 is used as a branch 17, the main path 18 is connected with a nozzle 15 through a filter 4 and a flowmeter 5, a pressure gauge 6 and a thermometer 7 are arranged on the main path 18, a fan 14 is placed at an air inlet on the left side of the heat dissipation cavity 8, a discharge battery 13 is a heat dissipation surface, a temperature sensor 12 is arranged on the surface of the battery, and a humidity sensor 9 and a pressure sensor 10 are arranged on the inner wall of the heat dissipation cavity 8 and are connected with an external.
A method for using a battery coupling heat dissipation experimental device comprises the following steps:
before the experiment starts, the micro-pump 2, the throttle valve 3 and the fan 14 are in a closed state.
Step one, adjusting the distance between a fan 14 in a heat dissipation cavity 8 and the surface of a battery 13, fixing a nozzle 15, and adjusting the pressure of a safety valve 16;
step two, turning on the fan 14, and adjusting the wind speed to the size required by the experiment;
step three, starting the micro water pump 2, adjusting the flow of water in the pipeline by adjusting the throttle valve 3, observing the readings of a flowmeter 5 on the pipeline, and adjusting the flow to the size required by the experiment;
step four, turning on a data acquisition system 11, discharging the battery pack 13, and acquiring the temperature and humidity in the cavity and the temperature of the surface of the battery by the data acquisition system through a temperature sensor 12 and a humidity sensor 9 until the discharging of the battery is finished;
step five, readjusting the flow velocity of the spray 15 and the wind velocity of the fan 14, improving the discharge rate of the battery pack 13, and starting to perform data acquisition again until the discharge is finished;
and step six, recording final data, and closing the throttle valve 3, the micro water pump 2 and the fan 14 in sequence.
Claims (5)
1. The utility model provides a battery coupling heat dissipation experimental apparatus which characterized in that: the experimental device comprises a fan, an evaporative cooling system, a heat dissipation cavity and a data acquisition system, wherein the evaporative cooling system comprises a water tank (1), a micro water pump (2), a throttle valve (3), a safety valve (16), a nozzle (15), a filter (4) and a flowmeter (5); a pressure gauge (6) and a thermometer (7) are installed on the pipeline of the evaporative cooling system, and a nozzle (15) is connected with a heat dissipation cavity (8); the heat dissipation cavity (8) is made of organic glass, a battery pack (13) is installed in the cavity, and a nozzle (15) is installed at a spray nozzle of the heat dissipation cavity (8); a temperature sensor (12), a humidity sensor (9) and a pressure sensor (10) are arranged in the heat dissipation cavity; the sensor is externally connected with a data acquisition unit (11) to form a data acquisition system; the fan (14) is arranged at an air inlet of the heat dissipation cavity, and the air speed is adjusted through the speed regulator.
2. The battery coupling heat dissipation experimental device according to claim 1, wherein: the experimental device adopts two battery heat dissipation modes of air cooling and evaporative cooling to cool the battery simultaneously.
3. The battery coupling heat dissipation experimental device according to claim 1, wherein: the battery pack (13) can be a power battery with any model or shape, a plurality of temperature acquisition points are arranged in the device, and the final temperature acquired by the battery is averaged.
4. The battery coupling heat dissipation experimental device according to claim 1, wherein: the heat dissipation cavity (8) is an L-shaped heat dissipation cavity, spray falls from the upper part and is blown into the space where the battery is located by a fan, and liquid drops are promoted to be uniformly distributed.
5. The battery coupling heat dissipation experimental device according to claim 1, wherein: set up humidity transducer (9) in heat dissipation chamber (8), gather in real time humidity in heat dissipation chamber (8) for whether the moisture content exceedes the definition scope in the monitoring air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913213.4U CN212675127U (en) | 2020-05-27 | 2020-05-27 | Battery coupling heat dissipation experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913213.4U CN212675127U (en) | 2020-05-27 | 2020-05-27 | Battery coupling heat dissipation experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212675127U true CN212675127U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020913213.4U Expired - Fee Related CN212675127U (en) | 2020-05-27 | 2020-05-27 | Battery coupling heat dissipation experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212675127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488717A (en) * | 2021-06-08 | 2021-10-08 | 同济大学 | Atomization cooling method and device for vehicle soft package lithium ion power battery |
-
2020
- 2020-05-27 CN CN202020913213.4U patent/CN212675127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488717A (en) * | 2021-06-08 | 2021-10-08 | 同济大学 | Atomization cooling method and device for vehicle soft package lithium ion power battery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 |