CN220854571U - Experimental device for low-conductivity cooling liquid - Google Patents
Experimental device for low-conductivity cooling liquid Download PDFInfo
- Publication number
- CN220854571U CN220854571U CN202322089291.3U CN202322089291U CN220854571U CN 220854571 U CN220854571 U CN 220854571U CN 202322089291 U CN202322089291 U CN 202322089291U CN 220854571 U CN220854571 U CN 220854571U
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- conductivity
- liquid
- low
- cooling liquid
- circulation loop
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- 239000000110 cooling liquid Substances 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 39
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000005260 corrosion Methods 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910001060 Gray iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010964 304L stainless steel Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses an experimental device for low-conductivity cooling liquid, which comprises a storage tank for containing the cooling liquid and a circulation loop connected with the storage tank, wherein a water cooling plate for wrapping a battery pack is connected in the circulation loop. The utility model has simple structure and simple operation, can simultaneously test the corrosion resistance of the cooling liquid to typical metals used for a cooling system and the compatibility of the cooling liquid and the battery water cooling plate of the electric automobile, and is suitable for the simulated use corrosion test of the low-conductivity cooling liquid.
Description
Technical Field
The utility model relates to a corrosion resistance testing device, in particular to an experimental device for low-conductivity cooling liquid.
Background
The battery water cooling plate used in the battery cooling system of the electric automobile is different from a radiator of a traditional fuel oil automobile, the battery water cooling plate wraps a battery pack, cooling liquid circularly dissipates heat in the battery water cooling plate, if the water cooling plate is corroded, precipitation occurs when the water cooling plate is light, a pipeline is blocked to influence heat dissipation, and corrosion perforation cooling liquid leaks when the water cooling plate is heavy, and the battery is in contact with liquid with great risk, so that the battery water cooling plate has great significance in testing the corrosion resistance of the water cooling plate.
Patent CN 216955654U discloses a liquid cooling plate inside corrosion performance verification equipment, and during the in-service use, liquid cooling plate surface need not to be in contact with the coolant liquid, and this equipment is inside connecting the liquid cooling plate at the test box, occupies the test box inner space, can't test a plurality of parts simultaneously. The existing cooling liquid corrosion resistance testing device is characterized in that a storage device is made of gray cast iron, and is suitable for testing cooling liquid of a fuel oil automobile, but oxidation is quicker in the cleaning and using processes, the electric conductivity of the cooling liquid of the electric automobile is far lower than that of the cooling liquid of the traditional fuel oil automobile, the electric conductivity is usually required to be smaller than 5 mu s/cm, and the problem that the oxidation of the storage device of the gray cast iron seriously affects the conductivity performance test of the cooling liquid with low electric conductivity is not suitable for testing the cooling liquid of the electric automobile.
Disclosure of utility model
The utility model aims to: the utility model aims to provide an experimental device capable of simultaneously measuring the corrosion resistance of low-conductivity cooling liquid to metal materials and water-cooled plates.
The technical scheme is as follows: the experimental device for the low-conductivity cooling liquid is characterized by comprising a storage box for containing the cooling liquid and a circulation loop connected with the storage box, wherein a water cooling plate for wrapping a battery pack is connected in the circulation loop.
Preferably, in order to reduce the effect of oxidation on conductivity, the tank body material is stainless steel.
Preferably, in order to obtain parameters during testing in real time, a temperature sensor, a pressure sensor and a conductivity sensor are arranged in the circulation loop.
Preferably, in order to regulate the test environment, a circulation pump, a heater and a flowmeter are connected in the circulation loop.
Preferably, in order to maintain stable test liquid level, a liquid supplementing box is connected in the circulation loop, and in order to facilitate observation of the internal condition of the liquid supplementing box, the liquid supplementing box is a transparent box body.
Preferably, in order to make the device operate smoothly, an exhaust valve for maintaining air pressure balance is arranged in the circulation pipeline loop.
Preferably, in order to flexibly control the circulation condition in the pipeline, the circulating pump, the heater and the flowmeter are all connected with the control unit.
Preferably, in order to acquire parameters during testing in real time, the circulation condition in the pipeline is controlled, the temperature sensor, the pressure sensor and the conductivity sensor are connected with a control unit.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: 1. simultaneously measuring the corrosion resistance of the low-conductivity cooling liquid to the two devices; 2. the experimental data is comprehensively obtained, and the measurement efficiency is high; 3. simple structure and easy operation.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses an experimental device for low-conductivity cooling liquid, which comprises a storage tank 13 for testing, a circulation loop connected with the storage tank, wherein the circulation loop is connected in series through a plurality of circulation pipelines 15, a water cooling plate 16 for wrapping a battery pack is connected in the circulation loop, the cooling liquid circulates in the circulation loop, the corrosion resistance of the low-conductivity cooling liquid to materials in the storage tank 13 and the water cooling plate 16 is respectively tested, and the corrosion resistance of the cooling liquid is determined by measuring the quality change before and after a metal test piece test and the state of the inner surface of the storage tank 13. The circulation pipeline 15 and the storage tank 13 are made of 304L stainless steel materials so as to reduce the influence of corrosion of the experimental device on the conductivity of the cooling liquid. The storage box 13 is used for containing tested metal materials and cooling liquid, a detachable upper cover is arranged at the top and is connected with the test piece frame 14, and the test piece frame 14 is used for installing test pieces.
The circulation loop is connected with a device for promoting the circulation of the cooling liquid, and the device can comprise a circulation pump 8, a heater 7 and a flowmeter 3, wherein the heater 7 is used for heating the cooling liquid and simulating the actual use condition of the cooling liquid.
The liquid supplementing box 1 is connected between the circulating loops and used for maintaining stable liquid level during experiments, and the liquid supplementing box 1 is a semi-transparent box body which is convenient to observe. The upper tank cover of the liquid supplementing tank 1 is connected with a liquid discharge pipe 17, a liquid discharge valve 10 is arranged below the liquid supplementing tank, and when the pressure is too high, the pressure can be released through the liquid discharge pipe 17, and the liquid in the equipment can be discharged through the liquid discharge valve 10.
The circulation loop is provided with a plurality of sensors for acquiring experimental state parameters, including a conductivity sensor 5 for acquiring the change condition of the conductivity of the cooling liquid in real time, a temperature sensor 12 for detecting the temperature condition of the cooling liquid and a pressure sensor 4 for preventing the internal pressure of the circulation pipeline 15 from being too high. An exhaust valve 9 is also arranged in the circulation loop and used for adjusting the pressure condition in the pipeline and exhausting the gas in the pipeline in the early stage of testing, and an exhaust pipe 11 can be arranged on the exhaust valve.
The temperature, pressure and conductivity sensors, the heater, the circulating pump and the flowmeter are all connected with the control unit 2, the control unit 2 is connected with the display 6, and the whole experimental device is controlled by the control unit 2 of the computer, so that the experimental device can flexibly and stably run.
The device comprises the following using steps: 1) And (3) liquid injection: the upper cover of the storage box 13 is opened, the stringed test piece rack 14 is put in, and the upper cover of the storage box 13 is covered. The cooling liquid is injected into the fluid infusion tank 1 until the liquid level of the fluid infusion tank 1 reaches a certain height (a part of space is reserved to prevent pressure rise), the circulating pump 8 is started, the exhaust valve 9 is opened, the circulating system is operated, the liquid level condition of the fluid infusion tank 1 is observed, if the liquid level condition drops, the cooling liquid can be supplemented, and the circulating pump 8 is stopped after the air in the circulating system is completely exhausted. 2) Test piece presoaking: the metal coupon on the coupon rack 14 was immersed in the coolant for 24 hours. 3) And (3) running: the control unit 2 is used for setting the test temperature to 88 ℃, the test pressure to 80-103KPa, and the circulating pump 8 is started to enable the temperature and the pressure of the system to reach the set values, and whether the components of the system have abnormal conditions or not is checked. The system is used in normal operation, and during operation, the system is stopped once every 76h, and is stopped for 8h each time until the system is operated for 1064h, and the liquid level is detected through the liquid supplementing water tank 1 during operation, and if the liquid level is lowered, liquid supplementing is needed in time. 4) And (3) stopping: after the test operation is completed, the circulation pump 8 is closed, the liquid discharge valve 10 is opened to discharge the test liquid after the temperature is reduced to room temperature, the upper cover of the storage tank 13 is opened, and the test piece bundle is taken out. 5) Cleaning: the clean water is injected into the liquid supplementing box 1, the upper cover of the storage box 13 is covered, the motor 8 is started, the circulation system is operated for 10min, the motor 8 is closed, the liquid draining valve 10 is opened to empty the cleaning liquid, and the cleaning is completed repeatedly for 3 times. 6) Sampling and analyzing: after the test, 200ml of test liquid was taken and the appearance and color of the test liquid after the test was recorded, and whether sediment and suspended matter were generated or not was recorded. And testing the properties of the test liquid such as pH, reserve alkalinity, conductivity, freezing point and the like according to the corresponding method. The inspection records the state of the inner surfaces of the components such as the storage tank 13 and the battery water cooling plate 16.
Claims (6)
1. The utility model provides an experimental apparatus for low electric conductance coolant liquid, its characterized in that, including being used for holding the bin (13) of metal material and coolant liquid that is tested, the circulation loop of being connected with bin (13) be connected with in the circulation loop be connected with be used for wrapping up group battery's water-cooling board (16), be equipped with temperature sensor (12), pressure sensor (4), conductivity sensor (5), circulating pump (8), heater (7) and flowmeter (3) in the circulation loop, bin (13) top sets up detachable upper cover, and upper cover connection is used for installing test block frame (14) of test block.
2. The experimental apparatus for a low-conductivity coolant according to claim 1, wherein the tank body material is stainless steel.
3. The experimental device for low-conductivity cooling liquid according to claim 1, wherein a liquid supplementing box (1) is arranged in the circulation loop, and the liquid supplementing box is a transparent box body.
4. The experimental device for low-conductivity coolant according to claim 1, wherein an exhaust valve (9) for maintaining the balance of the circuit air pressure is provided in the circulation circuit.
5. The experimental device for low-conductivity cooling liquid according to claim 1, wherein the circulating pump, the heater and the flowmeter are all connected with the control unit (2).
6. The experimental device for low-conductivity cooling liquid according to claim 1, wherein the temperature sensor, the pressure sensor and the conductivity sensor are all connected with a control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322089291.3U CN220854571U (en) | 2023-08-04 | 2023-08-04 | Experimental device for low-conductivity cooling liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322089291.3U CN220854571U (en) | 2023-08-04 | 2023-08-04 | Experimental device for low-conductivity cooling liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854571U true CN220854571U (en) | 2024-04-26 |
Family
ID=90740620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322089291.3U Active CN220854571U (en) | 2023-08-04 | 2023-08-04 | Experimental device for low-conductivity cooling liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854571U (en) |
-
2023
- 2023-08-04 CN CN202322089291.3U patent/CN220854571U/en active Active
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