CN209200025U - Battery modules and power battery - Google Patents
Battery modules and power battery Download PDFInfo
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- CN209200025U CN209200025U CN201822132039.5U CN201822132039U CN209200025U CN 209200025 U CN209200025 U CN 209200025U CN 201822132039 U CN201822132039 U CN 201822132039U CN 209200025 U CN209200025 U CN 209200025U
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- battery core
- battery
- battery modules
- heating plate
- temperature
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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
Abstract
The utility model relates to a kind of battery modules and power batteries.Battery modules include: battery core group, including multiple battery core units, and multiple battery core units are stacked along first direction；Each battery core unit includes battery core and the battery core installation position for installing the battery core；Multiple copper bars, each copper bar are set between the battery core installation position of adjacent two, so that multiple battery core electrical connections；Acquisition device is electrically connected with multiple copper bars, for acquiring the voltage and temperature of each copper bar；Heating plate, for being heated to the battery core group；Temperature sensor, is fixedly connected on the heating plate, and the temperature sensor is used to acquire the temperature of the heating plate.In this way, realize the voltage and temperature of each copper bar and the temperature of heating plate are monitored in real time, be conducive to prevent battery modules temperature it is excessively high, reduce battery modules thermal runaway risk, improve the safety of battery modules.
Description
Technical field
The utility model relates to power battery technology fields, more particularly to a kind of battery modules and power battery.
Background technique
With being gradually reduced for the non-renewable resources such as petroleum, people start to explore new alternative energy source, and electric energy is exactly it
One of.In automotive field, new-energy automobile initially enters the visual field of people.Power battery this have on new-energy automobile
The key components and parts of the title of " fuel tank ", performance directly affect the safety of automobile, economy etc..
Power battery includes several battery cores, and charge and discharge of the battery core under low-temperature working environment will lead to inside battery and generate sternly
The polarity effect of weight, causes charging capacity to reduce, also, multiple low-temperature charge and discharge can also generate irreversible skeleton
(abbreviation dendrite), serious person, the dendrite of formation can puncture the diaphragm in single battery, and battery internal short-circuit is caused to cause cell safety
Accident.In addition, battery core can generate a large amount of heat at work, if the heat can not be discharged in time, power battery will be made
Interior temperature constantly rises, and causes battery core to work in abnormal temperature range, the accumulative of amount of localized heat will also result in battery core temperature
Difference is larger, these can all influence the safety of power battery.
Generally, in order to avoid battery core, the working time is too long under low-temperature condition, need to be arranged heating device to battery core into
Row heating.However, heating device heats battery core, while it is excessively high to also increase battery core temperature, and leads to the wind of thermal runaway
Danger, reduces the safety of power battery.
Utility model content
Based on this, it is necessary to which risk that is excessively high for battery core temperature in the prior art and leading to thermal runaway is high, influences to move
The problem of safety of power battery, provides a kind of battery modules and power battery for improving drawbacks described above.
Battery modules, comprising:
Battery core group, including multiple battery core units, multiple battery core units are arranged side by side along first direction；Each electricity
Core unit includes battery core and the battery core installation position for installing the battery core；
Multiple copper bars, each copper bar are set between the battery core installation position of adjacent two, so that multiple described
Battery core electrical connection；
Acquisition device is electrically connected with multiple copper bars, for acquiring the voltage and temperature of each copper bar；
Heating plate, for being heated to the battery core group；
Temperature sensor, is fixedly connected on the heating plate, and the temperature sensor is used to acquire the temperature of the heating plate
Degree.
Above-mentioned battery modules, each copper bar is set between two adjacent battery core installation positions, so that multiple battery cores are electrically connected
It connects, acquisition device is electrically connected with each copper bar, which is used to acquire the voltage and temperature of each copper bar.Also, with
In being equipped with temperature sensor in the heating plate heated to battery core group, which is used to acquire the temperature of heating plate.On
The setting of acquisition device and temperature sensor is stated, the voltage and temperature of each copper bar and the temperature of heating plate are carried out to realize
Real time monitoring, be conducive to prevent battery modules temperature it is excessively high, reduce battery modules thermal runaway risk, improve the peace of battery modules
Quan Xing.
In one embodiment, the battery core unit includes installing frame, and the battery core is installed in the installing frame.Such as
This, realizes the fixed installation of battery core.
In one embodiment, the battery core have tab, the tab be located at the battery core with the first direction
One end in perpendicular second direction, the installing frame have corresponding with the tab and electrical connection conductive terminal；
Each copper bar is set between the conductive terminal of corresponding two installing frames, so that multiple described
Conductive terminal electrical connection.
In one embodiment, the battery modules further include two end plates and fixed strip；
Two end plates are set to the both ends of the battery core group in said first direction, for clamping multiple electricity
Core unit；
The fixed strip is set to side of the heating plate far from the battery core group, and the opposite end of the fixed strip
It is respectively fixedly connected in two end plates.
In one embodiment, the battery modules further include pressing plate, and the pressing plate is set to the battery core group far from institute
The side of heating plate is stated, and the both ends of the pressing plate are respectively fixedly connected in two end plates.
In one embodiment, the battery core group further includes reinforced support, and the reinforced support is set to two neighboring institute
It states between battery core unit；
The reinforced support is located at the middle position of the battery core group in said first direction.
In one embodiment, the battery modules further include insulation cover plate, and the insulation cover plate is set to the acquisition
Side of the device far from the battery core group, and be fixedly connected with the installing frame.
In one embodiment, the battery core unit further includes thermally conductive sheet and insulating trip, the thermally conductive sheet and the insulation
Piece is fixedly installed in the installing frame, and the thermally conductive sheet is between the battery core and the insulating trip.
In one embodiment, the heating plate is connected with the power circuit for external power supply, and the power circuit is
Double circuit line in parallel.In this way, the power circuit is double circuit line in parallel, so that the conveyance capacity of power circuit is improved,
Meanwhile when a circuit damage disconnects, another circuit also ensures the normal heating function of heating plate.
Power battery, including battery modules described in multiple any embodiments as above, multiple battery modules in parallel and/or
It is connected in series.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the battery modules in one embodiment of the utility model；
Fig. 2 is the assembly structure diagram of battery modules shown in FIG. 1.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Fig. 1 shows the decomposition texture schematic diagram of the battery modules in one embodiment of the utility model, and Fig. 2 shows figures
The assembly structure diagram of battery modules shown in 1.For ease of description, attached drawing illustrates only knot relevant to the utility model
Structure.
As shown in Figures 1 and 2, a kind of battery modules provided in an embodiment of the utility model, including battery core group 10,
Copper bar 20, acquisition device 30, heating plate 40 and temperature sensor 50.
Battery core group 10 includes multiple battery core units 12, and multiple battery core units 12 are arranged side by side along first direction.Each battery core
Unit 12 includes battery core 124 and the battery core installation position for installing battery core 124.Copper bar 20 includes multiple, each setting of copper bar 20
Between two adjacent battery core installation positions, so that multiple battery cores 124 are electrically connected.Acquisition device is electrically connected with multiple copper bars 20,
For acquiring the voltage and temperature of each copper bar 20, to realize to the voltage of each copper bar 20 and the real time monitoring of temperature.It can
Selection of land, acquisition device can be integrated collection plate.The integrated collection plate is integrated with several temperature sensors and voltage sensor, from
And realize the acquisition of temperature and voltage.
Heating plate 40 is used to heat battery core group 10.Temperature sensor 50 is fixedly connected on heating plate 40.The temperature sensing
Device 50 is used to acquire the temperature of the heating plate 40, to realize the real time monitoring to the temperature of heating plate 40.
Above-mentioned battery modules, each copper bar 20 is set between two adjacent battery core installation positions, so that multiple battery cores 124
Electrical connection, acquisition device 30 are electrically connected with each copper bar 20, which is used to acquire the voltage and temperature of each copper bar 20
Degree.Also, temperature sensor 50 is installed in the heating plate 40 for heating to battery core group 10, which is used for
Acquire the temperature of heating plate 40.The setting of above-mentioned acquisition device 30 and temperature sensor 50, to realize to each copper bar 20
The temperature of voltage and temperature and heating plate 40 is monitored in real time, be conducive to prevent battery modules temperature it is excessively high, reduce battery mould
The risk of group thermal runaway, improves the safety of battery modules.
It is understood that the connection type between each battery core 124 will meet the requirement of design, it can in parallel, series connection
Or parallel connection and serial connection all exists, and is not limited thereto.
It should be noted that acquisition device 30 and temperature sensor 50 can communication connection in battery management system (BMS), just
Real-time display, early warning etc. are carried out in the temperature of temperature and voltage and temperature sensor 50 acquisition acquired to acquisition device 30.Electricity
Pond management system (BMS) is the tie between power battery and user, and main object is secondary cell, primarily to can mention
The utilization rate of high battery, the operation conditions of implementing monitoring power battery prevent battery from occurring overcharging and over-discharge, can use
In electric car, battery truck, robot, unmanned plane etc..The specific structure of battery management system is the prior art, no longer superfluous herein
It states.
In the embodiments of the present invention, battery core unit 12 includes installing frame 122, and battery core 124 is fixedly installed in installing frame
In 122.In this way, realizing the fixed installation of battery core 124.
In some embodiments, battery core 124 has tab 1242.Tab 1242 is located at one of battery core 124 in a second direction
End, the second direction is perpendicular to the first direction.Installing frame 122 has conduction that is corresponding with tab 1242 and being electrically connected to each other
Terminal 1222.Each copper bar 20 is set between the conductive terminal 1222 of corresponding two installing frames 122, so that multiple conducting ends
Son 1222 is electrically connected, to realize the electrical connection of multiple battery cores 124.Optionally, tab 1242 and conductive terminal 1222 are electrically connected
It connects and laser welding connection can be used.Copper bar 20 and conductive terminal 1222 can laser weldings.
It is understood that acquisition device 30 is located at the side that battery core group 10 has conductive terminal 1222, in order to acquire
Device 30 is electrically connected with conductive terminal 1222.
Heating plate 40 is set to the other side of battery core group 10, which is used to heat battery core group 10.Temperature sensing
Device 50 is located at heating plate 40 towards the side of battery core group 10.In one embodiment, temperature sensor 50 can pass through patchboard
52 realize connection with battery management system (BMS).
It should be noted that there are two tab 1242, respectively positive and cathode, thus installing frames 122 for general battery core tool
Also there are two conductive terminals 1222 for tool.Two tabs 1242 and two conductive terminals 1222 correspond.
Specific in embodiment, the material of installing frame 122 is plastics.In this way, the weight of battery modules is further mitigated,
Improve the energy density of battery modules.
It should be noted that in one embodiment, conductive terminal 1222 can be used as mold insert and be put into molding installing frame 122
In injection mold, being fixedly connected for installing frame 122 and conductive terminal 1222 is realized in the injection molding installing frame 122.Battery core
In 124 insertion installing frames 122, the tab 1242 of battery core 124 and conductive terminal 1222 are welded to connect, thus realize battery core 124 with
Installing frame 122 is fixedly connected.
Specific in embodiment, heating plate 40 can be positive warming resistance heating plate (i.e. PTC heating plate).It is heated using PTC
Plate further improves the safety of battery modules.
In the embodiments of the present invention, battery modules further include two end plates 60 and fixed strip 70.Two end plates 60
The both ends of battery core group 10 in a first direction are set to, for clamping multiple battery core units 12.Fixed strip 70 is set to heating plate
40 sides far from battery core group 10, and the opposite end of fixed strip 70 is respectively fixedly connected in two end plates 60, thus will heating
Plate 40 is fixedly installed between two end plates 60.It is understood that fixed strip 70 is settable multiple (two or more),
So that the fixed installation of heating plate 40 is more firm.Optionally, riveting can be used admittedly with being fixedly connected for end plate 60 in fixed strip 70
Calmly, for example, staking is fixed etc..
It should be noted that 40 one side of heating plate plays the heating to battery core group 10, on the other hand play to battery core
The effect for the support plate that group 10 is supported.It therefore, there is no need to that support plate additionally is arranged, alleviate the weight of battery modules, mention
The energy density of battery modules is risen.
In some embodiments, battery modules further include pressing plate 80, which is set to battery core group 10 far from heating plate 40
Side, and the both ends of pressing plate 80 are respectively fixedly connected in two end plates 60.In this way, making two end plates 60 to battery core unit 12
Clamping structure is more firm, increases the overall structure stability of battery modules.Optionally, pressing plate 80 and the fixed of end plate 60 connect
It connects and riveting fixation can be used, for example, staking fixation etc..
Specific in embodiment, the copper bar 20 for being located at the both ends of battery core group 10 in a first direction is led to two respectively
End plate 60, the extraction electrode (the as anodes and cathode of battery modules) as battery modules.Battery core mould group further includes two electricity
Pole protecting seat, which is fixedly installed in two end plates 60 respectively, for protecting the extraction electrode.
Since multiple battery core units 12 clamp integral structure by two end plates 60, when battery core group 10 in a first direction
When length longer (such as more than 50cm), the stress inside battery core group 10 is larger, the structural instability of battery modules.Therefore, exist
In some embodiments, battery core group 10 further includes reinforced support 14, and reinforced support 14 is set between two neighboring battery core unit 12.
In this way, the setting of reinforced support 14, reduces the stress inside battery core group 10, enhances the structural stability of battery modules.
Specific in one embodiment, reinforced support 14 is located at the middle position of battery core group 10 in a first direction, with most
The effect of the performance reinforced support 14 of limits, further promotes the structural stability of battery modules.In other embodiments, add
Bracket 14 may also comprise multiple by force, and multiple reinforced supports 14 are arranged along first direction interval.
In the embodiments of the present invention, battery modules further include insulation cover plate 90, and insulation cover plate 90 is set to acquisition dress
30 sides far from battery core group 10 are set, and are fixedly connected with installing frame 122.In this way, the setting of insulation cover plate 90 is to battery core group 10
The conductive component equipped with 1222 side of conductive terminal be effectively protected, further improve the safety of battery modules.
Specific in embodiment, insulation cover plate 90 is clamped at least two installing frames, 122 phase, to realize insulation cover plate 90
With being fixedly connected for battery core group 10.In this way, using clamping by the way of so that the dress of insulation cover plate 90, tear open it is convenient and efficient, and connect
It is firm.More specifically, there is installing frame 122 side of conductive terminal 1222 to be convexly equipped with buckle (figure is not marked), insulation cover plate 90
Card slot (figure is not marked) corresponding with buckle is offered, which is mutually clamped with card slot, to realize insulation cover plate 90 and installing frame
122 connect and fix.
Specific in one embodiment, two end plates 60 are located at the both ends of battery core group 10 in a first direction.It is integrated
Collection plate 30 is located at the side of battery core group 10 in a second direction, and pressing plate 80 and heating plate 40 are located at battery core group 10 in third
Two sides on direction.Wherein, second direction and third direction are each perpendicular to first direction, and second direction is mutually hung down with third direction
Directly.In the embodiment shown in fig. 1, first direction is left and right directions, and second direction is front-rear direction, and third direction is upper and lower
Direction.
In the embodiments of the present invention, heating plate 40 is connected with the power circuit 42 for external power supply, for heating
Plate 40 provides electric energy.The power circuit 42 is double circuit line in parallel, to improve the conveyance capacity of power circuit 42, together
When, when a circuit damage disconnects, another circuit also ensures the normal heating function of heating plate 40.
In the embodiments of the present invention, battery core unit 12 further includes thermally conductive sheet 126 and insulating trip 128, the thermally conductive sheet 126
And insulating trip 128 is fixedly installed in installing frame 122, and thermally conductive sheet 126 is between battery core 124 and insulating trip 128.Insulation
Piece 128 is used to be isolated the battery core 124 of two neighboring battery core unit 12.In this way, battery core 124 is fixedly mounted using installing frame 122, leads
The mode (i.e. the mounting means of photo frame type) of backing 126 and insulating trip 128, is respectively provided with in the prior art in battery core two sides thermally conductive
Piece and support bracket fastened mode are compared, and the dosage of fixed bracket and thermally conductive sheet 126 is reduced, to alleviate the weight of battery modules
Amount, improves the energy density of battery modules.The setting of thermally conductive sheet 126 is prevented since self-heating causes when battery core 124 uses
Accumulated heat damages battery core 124.Optionally, thermally conductive sheet 126 is aluminium sheet.The setting of insulating trip 128 improves the insulation in battery modules
Performance effectively prevent generation common mode capacitance to electronic component high-voltage breakdown, improves the security performance of battery modules.
It should be noted that the fixed form of thermally conductive sheet 126 and insulating trip 128 and installing frame 122 has very much, such as heat
The modes such as connection, clamping, snapping, are not limited thereto.
Based on above-mentioned battery modules, the utility model also provides a kind of power battery, which includes multiple as above
Battery modules described in any embodiment, multiple battery modules in parallel and/or series connection.
Above-mentioned battery modules and power battery, each copper bar 20 are set between two adjacent battery core installation positions, so that
Multiple battery cores 124 are electrically connected, and acquisition device 30 is electrically connected with each copper bar 20, and the acquisition device 30 is for acquiring each copper bar 20
Voltage and temperature.Also, temperature sensor 50 is installed in the heating plate 40 for heating to battery core group 10, which passes
Sensor 50 is used to acquire the temperature of heating plate 40.The setting of above-mentioned acquisition device 30 and temperature sensor 50, to realize to each
The voltage and temperature of a copper bar 20 and the temperature of heating plate 40 are monitored in real time, be conducive to prevent battery modules temperature it is excessively high,
The risk for reducing battery modules thermal runaway, improves the safety of battery modules.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. battery modules characterized by comprising
Battery core group, including multiple battery core units, multiple battery core units are arranged side by side along first direction；Each battery core list
Member includes battery core and the battery core installation position for installing the battery core；
Multiple copper bars, each copper bar is set between the battery core installation position of adjacent two, so that multiple battery cores
Electrical connection；
Acquisition device is electrically connected with multiple copper bars, for acquiring the voltage and temperature of each copper bar；
Heating plate, for being heated to the battery core group；
Temperature sensor, is fixedly connected on the heating plate, and the temperature sensor is used to acquire the temperature of the heating plate.
2. battery modules according to claim 1, which is characterized in that the battery core unit includes installing frame, the battery core
It is installed in the installing frame.
3. battery modules according to claim 2, which is characterized in that the battery core has tab, and the tab is located at institute
State the one end of battery core in the second direction perpendicular with the first direction, the installing frame have it is corresponding with the tab and
The conductive terminal of electrical connection；
Each copper bar is set between the conductive terminal of corresponding two installing frames, so that multiple conductions
Terminal electrical connection.
4. battery modules according to claim 1, which is characterized in that the battery modules further include two end plates and consolidate
Determine item；
Two end plates are set to the both ends of the battery core group in said first direction, for clamping multiple battery core lists
Member；
The fixed strip is set to side of the heating plate far from the battery core group, and the opposite end difference of the fixed strip
It is fixedly connected on two end plates.
5. battery modules according to claim 4, which is characterized in that the battery modules further include pressing plate, the pressing plate
It is set to the side of the battery core group far from the heating plate, and the both ends of the pressing plate are respectively fixedly connected in two ends
Plate.
6. battery modules according to claim 1, which is characterized in that the battery core group further includes reinforced support, described to add
Strong bracket is set between the two neighboring battery core unit；
The reinforced support is located at the middle position of the battery core group in said first direction.
7. battery modules according to claim 2, which is characterized in that the battery modules further include insulation cover plate, described
Insulation cover plate is set to side of the acquisition device far from the battery core group, and is fixedly connected with the installing frame.
8. battery modules according to claim 2, which is characterized in that the battery core unit further includes thermally conductive sheet and insulation
Piece, the thermally conductive sheet and the insulating trip are fixedly installed in the installing frame, and the thermally conductive sheet be located at the battery core with
Between the insulating trip.
9. battery modules according to claim 1, which is characterized in that the heating plate is connected with the electricity for external power supply
Source route, the power circuit are double circuit line in parallel.
10. power battery, which is characterized in that including battery modules described in multiple any one of claims 1 to 9, Duo Gesuo
State battery modules in parallel and/or series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132039.5U CN209200025U (en) | 2018-12-18 | 2018-12-18 | Battery modules and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132039.5U CN209200025U (en) | 2018-12-18 | 2018-12-18 | Battery modules and power battery |
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| Publication Number | Publication Date |
|---|---|
| CN209200025U true CN209200025U (en) | 2019-08-02 |
Family
ID=67429682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822132039.5U Active CN209200025U (en) | 2018-12-18 | 2018-12-18 | Battery modules and power battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994077A (en) * | 2019-12-30 | 2020-04-10 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Uniform temperature heating method for power battery pack and storage medium |
| CN112186309A (en) * | 2020-10-14 | 2021-01-05 | 湖北亿纬动力有限公司 | Temperature difference control method of battery pack and battery pack |
| CN113597707A (en) * | 2020-06-18 | 2021-11-02 | 东莞新能安科技有限公司 | Battery module and battery pack |
| CN114361616A (en) * | 2021-12-24 | 2022-04-15 | 重庆长安新能源汽车科技有限公司 | Battery thermal runaway early warning method and system and storage medium |
| CN116632465A (en) * | 2023-07-19 | 2023-08-22 | 中国第一汽车股份有限公司 | Direct-connection battery module, design method thereof, battery pack and vehicle |
-
2018
- 2018-12-18 CN CN201822132039.5U patent/CN209200025U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994077A (en) * | 2019-12-30 | 2020-04-10 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Uniform temperature heating method for power battery pack and storage medium |
| CN113597707A (en) * | 2020-06-18 | 2021-11-02 | 东莞新能安科技有限公司 | Battery module and battery pack |
| CN113597707B (en) * | 2020-06-18 | 2023-11-21 | 东莞新能安科技有限公司 | Battery module and battery pack |
| CN112186309A (en) * | 2020-10-14 | 2021-01-05 | 湖北亿纬动力有限公司 | Temperature difference control method of battery pack and battery pack |
| CN114361616A (en) * | 2021-12-24 | 2022-04-15 | 重庆长安新能源汽车科技有限公司 | Battery thermal runaway early warning method and system and storage medium |
| CN114361616B (en) * | 2021-12-24 | 2023-07-18 | 深蓝汽车科技有限公司 | Battery thermal runaway early warning method, system and storage medium |
| CN116632465A (en) * | 2023-07-19 | 2023-08-22 | 中国第一汽车股份有限公司 | Direct-connection battery module, design method thereof, battery pack and vehicle |
| CN116632465B (en) * | 2023-07-19 | 2023-10-27 | 中国第一汽车股份有限公司 | Direct-connection battery module, design method thereof, battery pack and vehicle |
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