CN111077461A - Heat dissipation analysis simulation equipment for lithium battery protection based on Internet of things - Google Patents
Heat dissipation analysis simulation equipment for lithium battery protection based on Internet of things Download PDFInfo
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- CN111077461A CN111077461A CN201911383587.8A CN201911383587A CN111077461A CN 111077461 A CN111077461 A CN 111077461A CN 201911383587 A CN201911383587 A CN 201911383587A CN 111077461 A CN111077461 A CN 111077461A
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- lithium battery
- heat dissipation
- heat
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 65
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 48
- 238000004088 simulation Methods 0.000 title claims abstract description 33
- 238000004458 analytical method Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 230000001133 acceleration Effects 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 210000005056 cell body Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000006855 networking Effects 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
-
- 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]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Hybrid Cells (AREA)
Abstract
The invention discloses a heat dissipation analysis simulation device for lithium battery protection based on the Internet of things, which belongs to the technical field of lithium battery heat dissipation analysis simulation devices, wherein a first hot-wire anemometer and a second hot-wire anemometer are respectively and fixedly assembled on an air inlet pipe and an air outlet pipe, an air blower is fixedly assembled at the left end of the air inlet pipe, a temperature sensor is fixedly assembled on the left side wall of a lithium battery body, a non-contact infrared temperature measurer is fixedly assembled at the center of the top of an inner cavity of a heat insulation box, a heat insulation acceleration calorimeter is fixedly arranged at the left side of the top of the heat insulation box, a single chip microcomputer is fixedly arranged in the middle of the top of the heat insulation box, a display module is fixedly arranged at the top of the left side wall of the heat insulation box, a heating sheet is fixedly clamped and assembled on the front side wall of the lithium battery body, and, the heat durability and the working characteristics of the lithium battery body in working can be determined.
Description
Technical Field
The invention relates to the technical field of lithium battery heat dissipation analysis simulation equipment, in particular to heat dissipation analysis simulation equipment for lithium battery protection based on the Internet of things.
Background
In recent years, the development of new energy is remarkable, particularly, the high-speed development of lithium ion batteries becomes a focus of attention in the new energy industry, but the lithium ion batteries emit more heat after being used for a long time, so that the heat dissipation of the lithium ion batteries is particularly important, so that the measurement and control research on the heat dissipation amount of the lithium ion batteries is very necessary to be carried out, and the heat dissipation amount index is determined through measurement tests and margin cleaning analysis, so that data support is provided for the design of a high-efficiency cooling scheme of the lithium ion batteries, and a computer thermal simulation technology is an important analysis means for analyzing the thermal conditions in the working process of a battery cell and a lithium ion battery pack system, is often used for the optimization design and evaluation of the battery cell and the lithium ion battery pack system by people, but the simulation equipment on the market has a single function at present, and the heat dissipation analysis of the, the effect is poor, and therefore, the heat dissipation analysis simulation equipment for lithium battery protection based on the Internet of things is provided.
Disclosure of Invention
The invention aims to provide a heat dissipation analysis simulation device for lithium battery protection based on the Internet of things, and the heat dissipation analysis simulation device is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a heat dissipation analysis simulation device for lithium battery protection based on the Internet of things comprises a heat insulation box, a lithium battery body is fixedly arranged at the bottom of an inner cavity of the heat insulation box, an air inlet pipe and an air outlet pipe are respectively and fixedly assembled at the bottoms of the left side wall and the right side wall of the heat insulation box, a first hot-wire anemometer and a second hot-wire anemometer are respectively and fixedly assembled on the air inlet pipe and the air outlet pipe, an air blower is fixedly assembled at the left end of the air inlet pipe, a temperature sensor is fixedly assembled on the left side wall of the lithium battery body, a non-contact infrared temperature detector is fixedly assembled at the center of the top of the inner cavity of the heat-insulating box, a heat-insulating acceleration calorimeter is fixedly arranged at the left side of the top of the heat-insulating box, the middle of the top of the heat insulation box is fixedly provided with a single chip microcomputer, the top of the left side wall of the heat insulation box is fixedly provided with a display module, and the front side wall of the lithium battery body is fixedly clamped and assembled with a heating sheet.
Preferably, the first hot-wire anemometer, the second hot-wire anemometer, the temperature sensor, the non-contact infrared temperature detector and the adiabatic acceleration calorimeter are all electrically connected with a single chip microcomputer in an output mode, and the single chip microcomputer is respectively electrically connected with the air blower, the display module and the heating sheet in an output mode.
Preferably, the front side wall of the lithium battery body is fixedly provided with a clamping iron sheet, and the clamping iron sheet is matched with the heating sheet.
Preferably, the right end of the air inlet pipe and the left end of the air outlet pipe respectively penetrate through the left side wall and the right side wall of the heat insulation box and then extend to the inner cavity of the heat insulation box, and sealing rubber rings are arranged at the assembly positions of the air inlet pipe, the air outlet pipe and the heat insulation box in a nested mode.
Preferably, the input end of the adiabatic acceleration calorimeter is electrically connected with the output end of the lithium battery body through an electric wire, and the top of the adiabatic box is provided with an assembling hole matched with the electric wire.
Preferably, a hook is fixedly arranged on the left side wall of the heat insulation box, the display module comprises a display screen, the display screen is electrically connected with the data receiving module in an input mode, the data receiving module is electrically connected with the single chip microcomputer in an input mode, and a mounting groove matched with the hook is formed in the right side wall of the display screen.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has reasonable structural design, determines the rated power P0 of the lithium battery body according to the type of the lithium battery body, measures the discharge power Ps of the lithium battery body and the heating power Pf of the lithium battery body in a normal discharge state by the adiabatic acceleration calorimeter, transmits the data measured by the adiabatic acceleration calorimeter to the singlechip for data calculation, can determine the relationship between the charge-discharge power Ps and the heat dissipation power Pf of the lithium battery body in a self-heat dissipation state, in addition, the singlechip controls the work of the air blower, can promote the air flow in the adiabatic box to accelerate the heat dissipation, and respectively detects the air speed of the air inlet pipe and the air outlet pipe by the first hot-wire anemometer and the second hot-wire anemometer, can determine the flow speed of the air flow so as to determine the working power of the air blower, and can change the flow speed of the air when the power of the air blower is changed, the change of the heat dissipation mode of the lithium battery body is realized, the heat dissipation power Pi of the lithium battery body under different heat dissipation modes can be measured through an adiabatic acceleration calorimeter, the relation between the charging and discharging power Ps and the heating power Pf of the lithium battery body and the heat dissipation power Pi under different heat dissipation modes are determined, meanwhile, a relation graph of the heating power Pf and the heat dissipation power Pi is determined through a single chip microcomputer, and the relation graph is visually displayed through a display module, so that the optimal heat dissipation mode can be determined according to the relation between the heating power Pf and the heat dissipation power Pi of the lithium battery body, the frequency of carrying out thermal simulation experiments is reduced, and the efficiency of the thermal simulation experiments is;
2. the temperature sensor can monitor the surface temperature of the lithium battery body at any time, when the temperature rise speed of the lithium battery body reaches every second, the temperature sensor judges that the temperature is out of control, testing and recording the change of temperature along with time through a temperature sensor to obtain an experimental temperature change curve, then, the method of iterative heat dissipation coefficient and effective heating power for multiple times is adopted to lead the simulation temperature curve to be superposed with the experimental temperature curve, so as to obtain the effective heating power and the heat dissipation coefficient, in the process, a heating curve section, a thermal runaway curve section and a cooling curve section of the lithium battery body need to be recorded, a simulation temperature curve is superposed with an experimental temperature curve through simulation fitting, and then obtaining a heat dissipation coefficient, and determining the thermal runaway time and the thermal runaway heat generation quantity of the lithium battery body by continuously adjusting simulation parameters to enable the simulation temperature curve to be matched with the experiment temperature curve, and determining the thermal durability and the working characteristics of the lithium battery body during working.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the working principle of the present invention.
In the figure: the solar heat collecting device comprises a heat insulation box 1, a lithium battery body 2, an air inlet pipe 3, an air outlet pipe 4, an air blower 5, a first hot-wire anemometer 6, a second hot-wire anemometer 7, a temperature sensor 8, a non-contact infrared temperature measurer 9, a heat insulation acceleration calorimeter 10, a single chip microcomputer 11, a display module 12 and a heating sheet 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a lithium battery protection is with heat dissipation analysis simulation equipment based on thing networking, including adiabatic case 1, the fixed lithium cell body 2 that is provided with in inner chamber bottom of adiabatic case 1, the left and right sides lateral wall bottom of adiabatic case 1 is fixed with air-supply line 3 and goes out tuber pipe 4 respectively, it is fixed with first hot-line anemoscope 6 and second hot-line anemoscope 7 to be equipped with respectively on air-supply line 3 and the play tuber pipe 4, the left end of air-supply line 3 is fixed with air-blower 5, the fixed temperature sensor 8 that is equipped with on the left side wall of lithium cell body 2, the fixed non-contact infrared thermoscope 9 that is equipped with of inner chamber top center department of adiabatic case 1, the fixed adiabatic acceleration calorimeter 10 that is provided with in top left side of adiabatic case 1, the fixed singlechip 11 that is provided with in the middle of the top of adiabatic case 1, the fixed display module 12 that is provided with in left.
The first hot-wire anemometer 6, the second hot-wire anemometer 7, the temperature sensor 8, the non-contact infrared temperature measurer 9 and the adiabatic acceleration calorimeter 10 are electrically connected with the single chip microcomputer 11 in an output mode, and the single chip microcomputer 11 is respectively electrically connected with the air blower 5, the display module 12 and the heating sheet 13 in an output mode;
the clamping iron sheet is fixedly arranged on the front side wall of the lithium battery body 2 and is matched with the heating sheet 13, so that the heating sheet 13 is conveniently installed and fixed;
the right end of the air inlet pipe 3 and the left end of the air outlet pipe 4 respectively penetrate through the left side wall and the right side wall of the heat insulation box 1 and then extend to the inner cavity of the heat insulation box 1, and sealing rubber rings are respectively nested at the assembly positions of the air inlet pipe 3, the air outlet pipe 4 and the heat insulation box 1, so that the sealing performance is improved, and the accuracy of a test is prevented from being influenced by heat dissipation;
the input end of the adiabatic acceleration calorimeter 10 is electrically connected with the output end of the lithium battery body 2 through an electric wire, and the top of the adiabatic box 1 is provided with an assembling hole matched with the electric wire;
the fixed couple that is provided with on the left side wall of adiabatic case 1, display module 12 includes the display screen, and display screen electrical property input connection data receiving module, and data receiving module electrical property input connection singlechip 11, the installation groove with couple looks adaptation is seted up on the right side wall of display screen, the installation of display module 12 of being convenient for.
The working principle is as follows:
s1: the temperature sensor 8 can measure the temperature on the outer wall of the lithium battery body 2 to prevent thermal runaway caused by overhigh temperature, and the non-contact infrared temperature measurer 9 can measure the heat value dissipated to the air after the lithium battery body 2 generates heat;
s2: the rated power P0 of the lithium battery body 2 is determined according to the model of the lithium battery body 2, the discharge power Ps of the lithium battery body 2 and the heating power Pf of the lithium battery body 2 in a normal discharge state are measured by the adiabatic acceleration calorimeter 10, the data measured by the adiabatic acceleration calorimeter 10 are transmitted to the singlechip 11 for data calculation, the relation between the charge-discharge power Ps and the heat dissipation power Pf of the lithium battery body 2 in a self-heat dissipation state can be determined, in addition, the singlechip 11 controls the air blower 5 to work, the air flow in the adiabatic box 1 can be promoted, the heat dissipation is accelerated, the air speed detection is respectively carried out on the air inlet pipe 3 and the air outlet pipe 4 by the first hot-wire anemoscope 6 and the second hot-wire anemoscope 7, the flow speed of the air flow can be determined, the working power of the air blower 5 can be determined, and the air flow speed can be changed when the power of, the change of the heat dissipation mode of the lithium battery body 2 is realized, the heat dissipation power Pi of the lithium battery body 2 under different heat dissipation modes can be measured through the adiabatic acceleration calorimeter 10, the relation between the charging and discharging power Ps and the heating power Pf of the lithium battery body 2 and the heat dissipation power Pi under different heat dissipation modes are determined, meanwhile, the relation graph between the starting heating power Pf and the heat dissipation power Pi is determined through the singlechip 11, and the relation graph is visually displayed through the display module 12, so that the optimal heat dissipation mode can be determined according to the relation between the heating power Pf and the heat dissipation power Pi of the lithium battery body 2, the frequency of performing thermal simulation experiments is reduced, and the efficiency of the thermal simulation experiments is improved;
s3: the heating sheet 13 is promoted to work through the singlechip 11, the lithium battery body 2 can be heated, the heating to thermal runaway can be known, the surface temperature of the lithium battery body 2 can be constantly monitored by the temperature sensor 8, the thermal runaway can be judged when the temperature rise speed of the lithium battery body 2 reaches 3 degrees per second, the temperature sensor 8 is used for testing and recording the change of the temperature along with the time to obtain an experimental temperature change curve, then the simulation temperature curve is superposed with the experimental temperature curve by adopting a method of repeatedly iterating the heat dissipation coefficient and the effective heating power to obtain the effective heating power and the heat dissipation coefficient, in the process, the heating curve section, the thermal runaway curve section and the cooling curve section of the lithium battery body 2 need to be recorded, the simulation temperature curve is superposed with the experimental temperature curve through simulation fitting to obtain the heat dissipation coefficient, and the simulation temperature curve is continuously matched with the experimental temperature curve through adjusting the simulation parameters, the thermal runaway time and the thermal runaway heat generation amount of the lithium battery body 2 are determined, and the thermal durability and the operating characteristics of the lithium battery body 2 during operation can be determined.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lithium battery protection is with heat dissipation analysis simulation equipment based on thing networking, includes adiabatic case (1), its characterized in that: the bottom of the inner cavity of the heat-insulating box (1) is fixedly provided with a lithium battery body (2), the bottoms of the left side wall and the right side wall of the heat-insulating box (1) are respectively fixedly provided with an air inlet pipe (3) and an air outlet pipe (4), the air inlet pipe (3) and the air outlet pipe (4) are respectively fixedly provided with a first hot-wire anemoscope (6) and a second hot-wire anemoscope (7), the left end of the air inlet pipe (3) is fixedly provided with an air blower (5), the left side wall of the lithium battery body (2) is fixedly provided with a temperature sensor (8), the center of the top of the inner cavity of the heat-insulating box (1) is fixedly provided with a non-contact infrared thermoscope (9), the left side of the top of the heat-insulating box (1) is fixedly provided with a heat-insulating acceleration calorimeter (10), the middle of the top of the heat-insulating box (1) is fixedly provided with, the fixed centre gripping is equipped with heating plate (13) on the preceding lateral wall of lithium cell body (2).
2. The heat dissipation analysis simulation device for lithium battery protection based on the internet of things as claimed in claim 1, wherein: the first hot wire anemoscope (6), the second hot wire anemoscope (7), the temperature sensor (8), the non-contact infrared temperature measurer (9) and the adiabatic acceleration calorimeter (10) are all electrically connected with the single chip microcomputer (11) in an output mode, and the single chip microcomputer (11) is respectively electrically connected with the air blower (5), the display module (12) and the heating sheet (13) in an output mode.
3. The heat dissipation analysis simulation device for lithium battery protection based on the internet of things as claimed in claim 1, wherein: the fixed centre gripping iron sheet that is provided with on the preceding lateral wall of lithium cell body (2), and centre gripping iron sheet and heating plate (13) looks adaptation.
4. The heat dissipation analysis simulation device for lithium battery protection based on the internet of things as claimed in claim 1, wherein: the right end of the air inlet pipe (3) and the left end of the air outlet pipe (4) respectively penetrate through the left side wall and the right side wall of the heat insulation box (1) and then extend to the inner cavity of the heat insulation box (1), and sealing rubber rings are respectively arranged at the assembly positions of the air inlet pipe (3), the air outlet pipe (4) and the heat insulation box (1) in an embedded mode.
5. The heat dissipation analysis simulation device for lithium battery protection based on the internet of things as claimed in claim 1, wherein: the input end of the adiabatic acceleration calorimeter (10) is electrically connected with the output end of the lithium battery body (2) through an electric wire, and the top of the adiabatic box (1) is provided with an assembling hole matched with the electric wire.
6. The heat dissipation analysis simulation device for lithium battery protection based on the internet of things as claimed in claim 1, wherein: the left side wall of the heat insulation box (1) is fixedly provided with a hook, the display module (12) comprises a display screen, the display screen is electrically connected with the data receiving module in an input mode, the data receiving module is electrically connected with the single chip microcomputer (11) in an input mode, and a mounting groove matched with the hook is formed in the right side wall of the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383587.8A CN111077461A (en) | 2019-12-28 | 2019-12-28 | Heat dissipation analysis simulation equipment for lithium battery protection based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911383587.8A CN111077461A (en) | 2019-12-28 | 2019-12-28 | Heat dissipation analysis simulation equipment for lithium battery protection based on Internet of things |
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| CN111077461A true CN111077461A (en) | 2020-04-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109614662A (en) * | 2018-11-20 | 2019-04-12 | 中国电力科学研究院有限公司 | A kind of method and system of the radiating mode of determining lithium battery group in hot emulation experiment |
| CN109884527A (en) * | 2019-02-13 | 2019-06-14 | 深圳市比克动力电池有限公司 | A kind of lithium ion battery thermal runaway quantity of heat production calculation method |
| CN110389300A (en) * | 2019-08-16 | 2019-10-29 | 福建易动力电子科技股份有限公司 | A kind of lithium battery thermal diffusion experimental rig and test method |
| CN209560546U (en) * | 2019-05-13 | 2019-10-29 | 昆山凯启越电子科技有限公司 | A kind of heat dissipation simulation analysis system of the lithium ion battery based on big data |
-
2019
- 2019-12-28 CN CN201911383587.8A patent/CN111077461A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109614662A (en) * | 2018-11-20 | 2019-04-12 | 中国电力科学研究院有限公司 | A kind of method and system of the radiating mode of determining lithium battery group in hot emulation experiment |
| CN109884527A (en) * | 2019-02-13 | 2019-06-14 | 深圳市比克动力电池有限公司 | A kind of lithium ion battery thermal runaway quantity of heat production calculation method |
| CN209560546U (en) * | 2019-05-13 | 2019-10-29 | 昆山凯启越电子科技有限公司 | A kind of heat dissipation simulation analysis system of the lithium ion battery based on big data |
| CN110389300A (en) * | 2019-08-16 | 2019-10-29 | 福建易动力电子科技股份有限公司 | A kind of lithium battery thermal diffusion experimental rig and test method |
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Application publication date: 20200428 |