CN113589186A - Battery pack overcharge 85-DEG C environmental test tool - Google Patents
Battery pack overcharge 85-DEG C environmental test tool Download PDFInfo
- Publication number
- CN113589186A CN113589186A CN202110553380.1A CN202110553380A CN113589186A CN 113589186 A CN113589186 A CN 113589186A CN 202110553380 A CN202110553380 A CN 202110553380A CN 113589186 A CN113589186 A CN 113589186A
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- box body
- battery pack
- speed camera
- overcharge
- cooling
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000007613 environmental effect Effects 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000011521 glass Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 7
- 238000009783 overcharge test Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- 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
-
- 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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a battery pack overcharge 85 ℃ environmental test tool which comprises a box body, wherein a heat insulation base plate is arranged in the box body, the box body is connected with an air heater through a pipeline, a lamp belt and a water cooling loop are arranged at the upper end of the box body, an observation port is arranged on the box body, transparent heat insulation glass is arranged on the observation port, and a vertical high-speed camera and an oblique shooting high-speed camera are arranged above the observation port. The invention has the advantages that high-temperature airflow is conducted out through the air heater, a high-temperature environment is created through the high-temperature airflow, the temperature gradient in the box body is small, and the test result is more reliable; the water cooling loop provides cooling, reliable temperature control in the box body is achieved through the cooperation of the water cooling loop and the air heater, rapid cooling can be achieved, and test safety is improved; the battery pack can be snapshotted to change in the test process by the vertical high-speed camera and the oblique high-speed camera, monitoring and early warning of fire and explosion can be further played, and the safety is further improved by matching with a water cooling loop in the box body.
Description
Technical Field
The application relates to the technical field of battery packs, in particular to a battery pack overcharge 85-degree-centigrade environmental test tool.
Background
The electric automobile often encounters the overcharge condition, namely, the electric automobile continues to be charged after being fully charged, and the safety of the electric automobile in the overcharge state is more and more emphasized. The overcharge detection test is an essential link in the lithium battery research and development and production processes. In the test process, the battery needs to be connected with a preset voltage for a certain time, and whether phenomena such as overheating and fire occur or not is observed. The overcharge test device in the prior art is usually completed by adopting a temperature box, a heating plate is arranged in the temperature box, and the temperature is controlled by the heating plate.
For example, in chinese patent document, patent No. CN2020111704545 discloses a battery temperature control charging explosion-proof device, which includes a box body, a hinge, a door latch, a heating plate, a battery mounting rack, a battery clamping groove, and a heating plate power interface; the box body comprises a bottom shell and a box cover arranged on the bottom shell; the box body is provided with a charging power supply interface; be provided with the hot plate mounting bracket in the box be provided with the hot plate on the hot plate mounting bracket, the hot plate passes through hot plate power source interface and is connected to external heater and temperature controller the hot plate top is provided with the battery mounting bracket, the battery mounting bracket has a plurality of battery draw-in grooves. The disadvantages are that: 1. the heating of the heating plate obviously causes the temperature close to the heating plate to be higher, the temperature of the battery is not uniformly influenced, and the test result is influenced; 2. there is not cooling device in the box, can't realize the cooling accuse temperature in the box, and the experimental later stage high temperature of battery can't quick cooling again, has the potential safety hazard of battery explosion.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the battery pack overcharge 85 ℃ environment test tool, the environment temperature is uniformly controlled, an overlarge temperature gradient is prevented from being formed in the box body, and the accuracy of a test result is improved; can cool down fast, guarantee experimental security.
In order to achieve the above object, the present invention adopts the following technical solutions.
The utility model provides a battery package overcharge 85 degrees centigrade environmental test frock, includes the box, is equipped with the heat preservation backing plate in the box, and the box passes through a pipe connection air heater, and the upper end of box is equipped with lamp area and water-cooling circuit, is equipped with the viewing aperture on the box, is equipped with transparent temperature-insulated glass on the viewing aperture, and the viewing aperture top is equipped with perpendicular high-speed camera and takes a photograph high-speed camera to one side. According to the air heater, high-temperature air flow is conducted through the air heater, a high-temperature environment is created through the high-temperature air flow, the temperature gradient in the box body is small, and the test result is more reliable; the water cooling loop provides cooling, reliable temperature control in the box body is achieved through the cooperation of the water cooling loop and the air heater, rapid cooling can be achieved, and test safety is improved; the battery pack can be snapshotted to change in the test process by the vertical high-speed camera and the oblique high-speed camera, monitoring and early warning of fire and explosion can be further played, and the safety is further improved by matching with a water cooling loop in the box body.
Preferably, the vertical high-speed camera and the oblique shooting high-speed camera are respectively provided with a cooling aluminum block, and a cooling hose connected with the water cooling loop in parallel is arranged in the cooling aluminum block. The heat conductivity of the cooling aluminum block is high, and the cooling hose is directly embedded into the cooling aluminum block, so that the cooling capacity of the vertical high-speed camera and the oblique-shooting high-speed camera is guaranteed.
Preferably, the water cooling loop comprises a cooling water source and a booster pump, and the booster pump is communicated with the cooling water source and the water cooling loop through a pipeline. The booster pump ensures the communication reliability of the water cooling loop, ensures the controllable flow velocity of the medium in the water cooling loop and ensures the cooling efficiency.
Preferably, the box body is internally provided with an air outlet and an air outlet thermocouple which are matched with a pipeline of the air heater, and the box body is also internally provided with a battery pack thermocouple. The air outlet thermocouple and the battery pack thermocouple respectively test the internal temperature of the box body and the temperature of the battery pack, and the accuracy of environmental temperature control is guaranteed.
Preferably, the bottom of the box body is provided with a placing groove matched with the battery pack. The battery package cooperation standing groove realizes the spacing of battery package, guarantees that the test position of different battery packages is close, gets rid of unnecessary variable, improves the testing result.
Preferably, the box body is fixedly provided with an installation block outside, the installation block is in threaded connection with an installation shaft, the upper end of the installation shaft is provided with an installation hoop, a pipeline of the air heater is arranged on the installation hoop, and the air outlet is positioned on the heat-insulating glass. Through installation piece cooperation installation axle and installation staple bolt, realize the unsettled installation of air heater pipeline at the box upside, prevent that external force from arousing box life to reduce.
Preferably, the lower side of the heat-insulating glass is provided with the shunt glass, a gas storage layer is arranged between the heat-insulating glass and the shunt glass, and the shunt glass is provided with a plurality of shunt holes. The hot gas sprayed out of the air outlet is dispersed in the air storage layer and then is shunted through the shunting holes to enter the box body, so that the hot gas uniformly enters the box body, and the temperature gradient in the box body is reduced.
Preferably, the placing groove is located on a heat preservation base plate at the bottom of the box body, and a plurality of vertical grooves which are arranged in parallel at intervals are arranged in the placing groove. A gap is formed below the battery pack through the vertical groove, so that the lower part of the battery pack is also subjected to the same high-temperature test environment, and the reliability of an overcharge test is improved.
The invention has the following beneficial effects: the environmental temperature is controlled uniformly, so that an overlarge temperature gradient is prevented from being formed in the box body, and the accuracy of a test result is improved; can cool down fast, guarantee experimental security.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an internal sectional view in the case of the present invention.
FIG. 3 is a schematic view of the structure of the thermal insulating glass of the present invention.
In the figure: a pipeline 6 of a heat preservation base plate 2 of a box body 1, a placing groove 3, a vertical groove 4, an air heater 5, a thermocouple 9 mounting block 10 of a thermocouple 8 battery bag 7 air outlet, a thermocouple 9 mounting block 10, a mounting shaft 11, a hoop 12 shunting glass 13 air storage layer 14 shunting hole 15, a return air pipe 16, a cooling water source 17, an aluminum frame 19 observation port 20, a heat insulation glass 21, a high-speed camera 22, a cross bar 24 of the high-speed camera 23 for oblique shooting, a cooling aluminum block 25, a cooling hose 26 and a booster pump 27 three-way pipe 28 are mounted on a cooling water source 17, an aluminum frame 19 observation port 20, a high-speed camera 22, a cooling hose 26 and a cross bar 24.
Detailed Description
The invention is further illustrated with reference to the figures and the specific embodiments.
Examples
As shown in figures 1 to 3, the battery pack overcharge 85-degree-centigrade environmental test tool comprises a box body 1, wherein the box body 1 is of a cuboid structure, an upper end opening of the box body 1 is provided with a heat preservation base plate 2 in the box body 1, the heat preservation base plate 2 is attached and distributed on the bottom and four side walls of the box body 1, and a placing groove 3 matched with a battery pack is arranged at the bottom of the box body 1. The placing groove 3 is positioned on the heat preservation base plate 2 at the bottom of the box body 1, and a plurality of vertical grooves 4 which are arranged in parallel at intervals are arranged in the placing groove 3. The box body 1 is connected with an air heater 5 through a pipeline, and a pipeline 6 of the air heater adopts a high-temperature resistant corrugated pipe. An air outlet and an air outlet thermocouple 8 of a pipeline 6 matched with the air heater are arranged in the box body 1, and a battery pack thermocouple 9 is also arranged in the box body 1. The battery pack thermocouple 9 is attached to the battery pack wall surface when in use. The external fixation of box 1 is equipped with installation piece 10, and installation piece 10 threaded connection one installation axle 11, and the upper end of installation axle 11 is equipped with installation staple bolt 12, and the pipeline 6 of air heater is established on installation staple bolt 12, and the up end of box 1 is equipped with viewing aperture 20, is equipped with transparent thermal-insulated glass 21 on the viewing aperture 20, and the air outlet is located thermal-insulated glass 21. The lower side of the heat insulation glass 21 is provided with a shunt glass 13, an air storage layer 14 is arranged between the heat insulation glass 21 and the shunt glass 13, and the shunt glass 13 is provided with a plurality of shunt holes 15. Sixteen shunt holes 15 are arranged, sixteen shunt holes 15 are divided into four groups in rectangular distribution, four groups of shunt holes 15 are distributed at four corners of the shunt glass 13, and each group of shunt holes 15 are arranged in a rectangular array. The bottom of the box body 1 is provided with an air return inlet, and an air return pipe 16 is arranged outside the air return inlet. When the interior of the box body 1 needs to be preheated, the air return pipe 16 is connected to the air suction opening of the air heater 5. After the temperature in the box body 1 is led to the set temperature, the battery pack is placed, the battery pack thermocouple 9 is placed above the battery pack for measuring the temperature, and the head of the battery pack thermocouple 9 is firmly attached to the surface of the battery pack. The lamp strip 7 and the water cooling loop 18 are arranged at the upper end of the box body 1, the aluminum frame 19 is arranged at the upper end of the box body 1, the water cooling loop 18 adopts a hose, and the hose of the water cooling loop 18 is arranged in the aluminum frame 19. A vertical high-speed camera 22 and an oblique-shooting high-speed camera 23 are provided above the observation port 20. The oblique shooting high-speed camera 23 is arranged on the side wall of the box body 1, a cross bar 24 is correspondingly arranged above the placing groove 3, and the vertical high-speed camera 22 is fixed on the cross bar 24. The light strip 7 provides illumination for the vertical high-speed camera 22 and the oblique-shooting high-speed camera 23. The vertical high-speed camera 22 and the oblique shooting high-speed camera 23 are respectively provided with a cooling aluminum block 25, and a cooling hose 26 connected with the water cooling loop 18 in parallel is arranged in the cooling aluminum block 25. The water cooling loop 18 comprises a cooling water source 17 and a booster pump 27, and the booster pump 27 is communicated with the cooling water source 17 and the water cooling loop 18 through pipelines. The cooling water source 17 adopts a water tank full of water; the pipeline communicated with the booster pump 27 is communicated with the hose of the water cooling loop 18 in series. In order to prevent the hose and the cooling hose 26 from affecting the display of other parts, the water outlet position and the water outlet hose on the cooling aluminum block 25 and the aluminum frame 19 are hidden in fig. 1, a three-way pipe 28 is arranged at the end part of a pipeline communicated with the booster pump 27, the flow division between the cooling hose 26 and the hose is realized through the three-way pipe 28, and an electric control valve is arranged on a branch pipe or a hose of the three-way pipe 28 of the hose corresponding to the water cooling loop 18, so that the independent on-off of the water cooling loop 18 is realized.
The box body 1 is made of stainless steel materials, before the box body is used, a water inlet pipe is connected to a booster pump 27, one ends of a hose of a water cooling loop 18 and one end of a cooling hose 26 are placed into a cooling water source 17, a pipeline corresponding to an air outlet is fixed on the stainless steel box body 1 through a hoop, a hot air blower 5 blows hot air into the air outlet, an air outlet thermocouple 8 is placed at the bottom of the box body 1, the ambient temperature of the box body 1 is measured, when the temperature reaches the set temperature of the box body 1, the battery pack is placed in the box body, the battery pack is charged to 100% of full capacity in advance, the thermocouple 9 of the battery pack is placed above the battery pack to measure the temperature, the head part of the thermocouple is firmly fixed on the surface of the battery pack, the battery pack is continuously charged under the environment temperature of 85 ℃, when the battery smokes, the hot air blower 5 can be immediately stopped to supply heat, and the temperature can be rapidly reduced through the water cooling loop 18, so that potential safety hazards caused by true explosion are avoided.
According to the air heater, high-temperature air flow is conducted through the air heater 5, a high-temperature environment is created through the high-temperature air flow, the temperature gradient in the box body 1 is small, and the test result is more reliable; the water cooling loop 18 provides cooling, and the reliable temperature control in the box body 1 is realized through the cooperation of the water cooling loop 18 and the hot air blower 5, so that the temperature can be quickly reduced, and the safety of the test is improved; the vertical high-speed camera 22 and the oblique high-speed camera 23 can capture changes of the battery pack in the test process, can also play roles in monitoring and early warning of fire and explosion, and are matched with the water cooling loop 18 in the box body 1 to further improve safety.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a battery package overcharge 85 degrees centigrade environmental test frock, characterized by, includes the box, is equipped with the heat preservation backing plate in the box, and the box passes through a pipe connection air heater, and the upper end of box is equipped with lamp area and water-cooling circuit, is equipped with the viewing aperture on the box, is equipped with transparent temperature-insulated glass on the viewing aperture, and the viewing aperture top is equipped with perpendicular high-speed camera and the high-speed camera of clapping to one side.
2. The tool for the battery pack overcharge 85 ℃ environmental test according to claim 1, wherein the vertical high-speed camera and the oblique shooting high-speed camera are respectively provided with a cooling aluminum block, and a cooling hose connected with a water cooling loop in parallel is arranged in the cooling aluminum block.
3. The tool for the 85-degree-centigrade environment test of the overcharge of the battery pack according to claim 1 or 2, wherein the water cooling loop comprises a cooling water source and a booster pump, and the booster pump is communicated with the cooling water source and the water cooling loop through a pipeline.
4. The tool for the battery pack overcharge 85 ℃ environmental test according to claim 1, wherein the box body is internally provided with a thermocouple at an air outlet and an air outlet of a pipeline matched with an air heater, and the box body is also internally provided with a thermocouple of the battery pack.
5. The tool for the battery pack overcharge 85 ℃ environmental test according to claim 1, wherein a placing groove matched with the battery pack is arranged at the bottom of the box body.
6. The tool for the battery pack overcharge 85 ℃ environmental test according to claim 4, wherein a mounting block is fixedly arranged outside the box body, the mounting block is in threaded connection with a mounting shaft, a mounting hoop is arranged at the upper end of the mounting shaft, a pipeline of the air heater is arranged on the mounting hoop, and the air outlet is positioned on the heat-insulating glass.
7. The tool for testing the battery pack overcharge 85 ℃ environment according to claim 1 or 6, wherein a shunt glass is arranged on the lower side of the heat insulation glass, a gas storage layer is arranged between the heat insulation glass and the shunt glass, and a plurality of shunt holes are formed in the shunt glass.
8. The tool for the battery pack overcharge 85 ℃ environmental test according to claim 5, wherein the placing groove is located on a heat preservation base plate at the bottom of the box body, and a plurality of vertical grooves are arranged in the placing groove at intervals in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553380.1A CN113589186A (en) | 2021-05-20 | 2021-05-20 | Battery pack overcharge 85-DEG C environmental test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553380.1A CN113589186A (en) | 2021-05-20 | 2021-05-20 | Battery pack overcharge 85-DEG C environmental test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113589186A true CN113589186A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110553380.1A Pending CN113589186A (en) | 2021-05-20 | 2021-05-20 | Battery pack overcharge 85-DEG C environmental test tool |
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| CN (1) | CN113589186A (en) |
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|---|---|---|---|---|
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2021
- 2021-05-20 CN CN202110553380.1A patent/CN113589186A/en active Pending
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| JP2009156663A (en) * | 2007-12-26 | 2009-07-16 | Tohken Co Ltd | X-ray inspecting device having temperature control function of inspection object |
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| CN107764523A (en) * | 2017-11-30 | 2018-03-06 | 盛禛真空技术丹阳有限公司 | Glasses lens plated visual monitor system and its application method |
| CN109976068A (en) * | 2019-03-29 | 2019-07-05 | 北京卫星制造厂有限公司 | A kind of Portable type high-low temperature camera shooting protective device |
| CN110542860A (en) * | 2019-08-21 | 2019-12-06 | 平高集团有限公司 | Testing device for container type lithium ion battery energy storage system |
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