CN215988915U - Automatic water cooling adjusting device for testing battery module - Google Patents
Automatic water cooling adjusting device for testing battery module Download PDFInfo
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- CN215988915U CN215988915U CN202122479478.5U CN202122479478U CN215988915U CN 215988915 U CN215988915 U CN 215988915U CN 202122479478 U CN202122479478 U CN 202122479478U CN 215988915 U CN215988915 U CN 215988915U
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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 relates to an automatic water cooling adjusting device for testing a battery module, which comprises a water cooling box and a water collecting control box connected with the water cooling box, wherein the water cooling box and the water collecting control box are used for water circulation in the water cooling box through a water pipe; the water cooling tank is also internally provided with a charging and discharging device used for connecting a battery, the charging and discharging device is also connected with a voltage testing device in parallel, and the voltage testing device is used for acquiring voltage signals of the battery connected with the charging and discharging device during charging and discharging; the upper water level sensor, the lower water level sensor and the voltage testing device are all connected with the control module arranged in the water collection control box, and the charging and discharging states and the water level states of the battery module are judged by arranging the voltmeter and the water level sensor, so that the automatic adjustment of water feeding and discharging is realized; the water-cooling start-stop time is matched with the charge-discharge period, so that unattended operation can be better realized.
Description
Technical Field
The utility model relates to the technical field of battery module testing, in particular to an automatic water cooling adjusting device for testing a battery module.
Background
At present, a battery module formed by lithium ion batteries is used as an energy source with low cost and high reliability, the battery module is widely applied to small and medium-sized machinery and electronic equipment, and in practical application, a power battery module can be continuously charged and discharged for use. Due to continuous high-rate charge and discharge, the temperature of the battery module can be higher, especially in the charging process, even exceeds the safe working temperature of the battery. Therefore, in order to reduce the temperature of the battery module, the battery module is generally placed in circulating cooling water to be forcibly water-cooled during charging, and the self-cooling and water-cooling states in the device are maintained during discharging.
In the product development process of the battery module, a cycle test of a simulation working condition needs to be carried out on the battery module, namely, the requirements are as follows: water-cooling charging-periodic test of refrigeration discharging is carried out for dozens to hundreds of periods according to different performances of the battery.
At present, the water cooling system is generally operated manually or periodically according to a time period. The manual operation cannot realize unattended operation, the efficiency is low during long-period testing, and the testing period is increased; the time period is operated regularly, and the periodic change of charging and discharging can be caused after the performance of the battery is changed, so that the water cooling start-stop time is not matched with the charging and discharging period, periodic correction is required to be carried out regularly, and unattended operation cannot be completely realized.
Therefore, the device for automatically controlling water cooling according to the voltage state and the water level state of the battery module can meet the charge-discharge simulation working condition test of the battery module.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic water cooling regulation device for testing a battery module, which is used for solving the defects in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic water cooling adjusting device for testing a battery module, which comprises a water cooling box and a water collecting control box connected with the water cooling box, wherein the water cooling box and the water collecting control box are used for water circulation in the water cooling box through a water pipe; the water cooling tank is also internally provided with a charging and discharging device used for connecting a battery, the charging and discharging device is also connected with a voltage testing device in parallel, and the voltage testing device is used for acquiring voltage signals of the battery connected with the charging and discharging device during charging and discharging; the upper water level sensor, the lower water level sensor and the voltage testing device are all connected with a control module arranged in the water collection control box.
Furthermore, a water inlet and a water outlet are arranged at the bottom end of the water cooling tank and are communicated with the water collection control box through water pipes.
Further, the water collection control box includes: circulating water cooling subassembly, voltage testing arrangement and connect the control module of above-mentioned structure.
Further, the circulating water cooling assembly comprises: the water cooling system comprises a water inlet pump connected with the water cooling tank through a water pipe, a water outlet pump connected with the water cooling tank through a water pipe, a circulating pipeline used for connecting the water inlet pump and the water outlet pump, and a cold air system arranged between the circulating pipelines.
Further, the cold air system is an air cooler.
Further, the circulation line is provided in a disk shape.
Further, the charging and discharging device includes: the device comprises a power supply module, a discharge module, a connection module used for being connected with a battery and a voltage testing device connected to the connection module in parallel; the power supply module and the discharge module are connected with a battery to be tested through a connecting module, and the connecting module is arranged in the water cooling tank.
Further, the voltage testing device is a voltmeter.
Further, the control module includes: the water cooling system comprises an electric control module for controlling charging and discharging, a water level control module for controlling the height of a water level, a water cooling control module for controlling water cooling, a switch for controlling starting and stopping and an indicator lamp for indicating the working state.
Furthermore, the top of the water cooling tank is also provided with an anti-overflow port for preventing the battery to be tested from being submerged by overhigh water level.
The utility model has the beneficial effects that: according to the utility model, the charging and discharging states and the water level states of the battery module are judged by arranging the voltage testing device and the water level sensor, so that the automatic regulation of water supply and water discharge is realized; the water cooling start-stop time is matched with the charge-discharge period, so that unattended operation can be better realized; the upper part of the water cooling tank is also provided with an anti-overflow port, so that a battery module sample can be prevented from being submerged by overhigh water level, and the sample is prevented from being damaged by water immersion.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the water cooled box of the present invention;
fig. 3 is a schematic diagram of the control principle of the present invention.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Example 1
According to the automatic water cooling regulation device for the battery module test shown in fig. 1 to 3, the device comprises a water cooling tank 2 and a water collection control tank 1 connected with the water cooling tank 2, the water cooling tank 2 and the water collection control tank 1 are used for water circulation in the water cooling tank 2 through a water pipe, a lower water level sensor S1 is arranged at the bottom of the water cooling tank 2, and an upper water level sensor S2 is arranged at the top of the water cooling tank 2; a charging and discharging device 3 used for connecting a battery is also arranged in the water cooling tank 2, a voltage testing device is also connected in parallel on the charging and discharging device 3 and is used for collecting voltage signals of the battery connected with the charging and discharging device 3 during charging and discharging; the upper water level sensor S2, the lower water level sensor S1 and the voltage testing device are all connected with a control module arranged in the water collection control box 1. The voltage testing device feeds back the voltage of the battery to the control module after detecting the voltage of the battery during charging and discharging, the control module is preset with a high-order voltage value and a low-order voltage value, when the discharging voltage is lower than the low-order voltage value, the water cooling tank 2 is controlled to feed water, and when the battery is charged to a certain voltage and exceeds the high-order voltage value, the water is controlled to discharge water; when the water level reaches the position of the upper water level sensor S2 during the water inlet process, the water inlet and the water outlet are performed simultaneously, and the water circulation in the water cooling tank 2 is realized.
The water collection control box 1 includes: a circulating water cooling assembly (not shown), a voltage testing device (not shown), and a control module (not shown) connected to the above structure.
Preferably, the bottom end of the water cooling tank 2 is provided with a water inlet 21 and a water outlet 22, the water inlet 21 and the water outlet 22 are respectively communicated with a circulating water cooling assembly in the water collection control tank 1 through water pipes, and the circulating water cooling assembly comprises: a water inlet pump (not shown) connected with the water inlet 21 of the water cooling tank 2 through a water pipe, a water outlet pump (not shown) connected with the water outlet 22 of the water cooling tank 2 through a water pipe, a circulating pipeline (not shown) for connecting the water inlet pump and the water outlet pump, and a cold air system arranged between the circulating pipelines. Wherein, cold wind system preferred is the air-cooler, and the preferred disc structure of circulation pipeline. Water can be injected into the water cooling tank 2 through the work of the water inlet pump, and the water in the water cooling tank 2 can be pumped out through the work of the water outlet pump; and the disc-shaped circulating pipeline arranged between the water inlet pump and the water outlet pump is matched with at least one air cooler arranged on the circulating pipeline, so that water can be rapidly cooled.
Preferably, the charge and discharge device 3 includes: a power supply module (not shown), a discharge module (not shown), a connection module for connecting with a battery, and a voltage testing device connected in parallel to the connection module; the power supply module and the discharge module are connected with a battery to be tested through a connecting module, the connecting module is arranged in the water cooling tank 2, and the voltage testing device is preferably a voltmeter.
Preferably, the top of the water cooling tank 2 is also provided with an overflow preventing opening 23 for preventing the battery to be tested from being submerged by too high water level.
Preferably, referring to fig. 3, the control module includes: the water cooling system comprises an electric power control module 131 for controlling charging and discharging, a water level control module 132 for controlling the height of a water level, a water cooling control module 133 for controlling water cooling, a switch 134 for controlling starting and stopping, and an indicator lamp 135 for indicating the working state.
Preferably, the control module is a single chip microcomputer, an MCU or a CPU.
The working principle of the utility model is as follows:
(1) the battery module is arranged in the cold water tank 2 and connected with the connecting module of the charging and discharging device 3 to be assembled;
(2) pressing a starting button, defaulting to enter a discharging step, and starting water drainage of the water collecting tank;
(3) when the discharge voltage of the battery is lower than a preset low-level voltage value, triggering an undervoltage signal KV1 of a voltmeter, attracting a relay KZ1, marking the end of the battery discharge process step (starting standing and charging), stopping a water outlet pump M2, starting a water inlet pump M1 to work, and starting to feed water;
(4) when the water feeding state continues until the water level reaches a high level, the signal of the water feeding level sensor S2 is triggered, the water outlet pump M2 starts to work, the water inlet pump M1 still keeps working, water feeding and water discharging are carried out simultaneously, the cooling water in the water tank is ensured to be kept circulating, and the process continues until the charging is finished;
(5) after the battery is charged to a certain voltage, triggering a voltmeter overvoltage signal KV2, attracting a relay KZ2, marking the end of the battery charging process step (starting standing and discharging), stopping a water inlet pump M1, starting a water outlet pump M2 to work, and starting a water cooling device to drain water;
(6) when the water level is kept low, the water level sensor S1 is triggered to stop working, the water pump M2 is not working, and the water pump continues to discharge;
(7) and (5) entering the next circulation, and repeating the step (3) until the whole test is finished.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. An automatic water cooling adjusting device for testing a battery module comprises a water cooling box and a water collecting control box connected with the water cooling box, and is characterized in that the water cooling box and the water collecting control box are used for water circulation in the water cooling box through a water pipe, a lower water level sensor is arranged at the bottom of the water cooling box, and an upper water level sensor is arranged at the top of the water cooling box; the water cooling tank is also internally provided with a charging and discharging device used for connecting a battery, the charging and discharging device is also connected with a voltage testing device in parallel, and the voltage testing device is used for acquiring voltage signals of the battery connected with the charging and discharging device during charging and discharging; the upper water level sensor, the lower water level sensor and the voltage testing device are all connected with a control module arranged in the water collection control box.
2. The self-regulating water cooling device for battery module testing of claim 1, wherein: the bottom end of the water cooling tank is provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with the water collection control box through water pipes.
3. The self-regulating water cooling device for battery module testing of claim 1, wherein: the control box catchments includes: the device comprises a circulating water cooling assembly, a voltage testing device and a control module connected with the circulating water cooling assembly and the voltage testing device.
4. The automatically regulated water cooling device for testing of battery modules of claim 3, wherein: the circulating water cooling assembly comprises: the water cooling system comprises a water cooling box, a water inlet pump, a water outlet pump, a cold air system and a control system, wherein the water cooling box is connected with the water inlet pump through a water pipe, the water outlet pump is connected with the water cooling box through a water pipe, and the cold air system is used for connecting the water inlet pump with the water outlet pump and arranged between the circulating pipelines.
5. The automatically regulated water cooling device for testing of battery modules of claim 4, wherein: the cold air system is an air cooler.
6. The automatically regulated water cooling device for testing of battery modules of claim 4, wherein: the circulating pipeline is in a disc shape.
7. The self-regulating water cooling device for battery module testing of claim 1, wherein: the charge and discharge device includes: the device comprises a power supply module, a discharge module, a connection module used for being connected with a battery and a voltage testing device connected to the connection module in parallel; the power supply module and the discharge module are connected with a battery to be tested through the connecting module, and the connecting module is arranged in the water cooling tank.
8. The self-regulating water cooling device for battery module testing of claim 1, wherein: the voltage testing device is a voltmeter.
9. The self-regulating water cooling device for battery module testing of claim 1, wherein: the control module includes: the water cooling system comprises an electric control module for controlling charging and discharging, a water level control module for controlling the height of a water level, a water cooling control module for controlling water cooling, a switch for controlling starting and stopping and an indicator lamp for indicating the working state.
10. The self-regulating water cooling device for battery module testing of claim 1, wherein: and the top of the water cooling tank is also provided with an anti-overflow port for preventing the battery to be tested from being submerged by overhigh water level.
Priority Applications (1)
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CN202122479478.5U CN215988915U (en) | 2021-10-14 | 2021-10-14 | Automatic water cooling adjusting device for testing battery module |
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CN202122479478.5U CN215988915U (en) | 2021-10-14 | 2021-10-14 | Automatic water cooling adjusting device for testing battery module |
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2021
- 2021-10-14 CN CN202122479478.5U patent/CN215988915U/en active Active
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