CN208208938U - The cylindrical electrical core battery cell structure of electrified heating piece - Google Patents
The cylindrical electrical core battery cell structure of electrified heating piece Download PDFInfo
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- CN208208938U CN208208938U CN201820737370.7U CN201820737370U CN208208938U CN 208208938 U CN208208938 U CN 208208938U CN 201820737370 U CN201820737370 U CN 201820737370U CN 208208938 U CN208208938 U CN 208208938U
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- cylindrical electrical
- electrical core
- core
- battery
- nickel sheet
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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 discloses a kind of cylindrical electrical core battery cell structures of electrified heating piece, including copper current-carrying plate (1), nickel sheet (2) and two battery core rows arranged side by side, electric heating sheets (4) are clamped between battery core row arranged side by side, each battery core row is made of multiple cylindrical electrical cores (3), copper current-carrying plate (1) is set to cylindrical electrical core (3) positive and negative both ends, copper current-carrying plate (1) is equipped with the through-hole (1.1) to match with cylindrical electrical core (3) electrode, nickel sheet (2) is set between copper current-carrying plate (1) and cylindrical electrical core (3), nickel sheet (2) is equipped with the through hole (2.2) to match with cylindrical electrical core (3) electrode, nickel sheet (2) is fixedly connected with the electrode of cylindrical electrical core (3), nickel sheet (2) two sides are equipped with lug (2.1), copper current-carrying plate (1) is equipped with and lug (2. 1) groove to match.Electric heating sheets are clipped between cylindrical electrical core by the utility model, are able to ascend heating efficiency, and improve battery structure space utilization rate.
Description
Technical field
The utility model relates to battery technical field of heating, more particularly to a kind of cylindrical electrical core battery of electrified heating piece
Monomer structure.
Background technique
Currently, due to battery technical restriction itself, the operating temperature of battery has battery performance, service life and safety
Important influence.Power battery does not allow to charge or needs to limit power discharge at temperature too low (as -10 DEG C), and temperature
It not only will affect the service life of battery when excessively high (such as 50 DEG C), it is also possible to generate safety problem.Therefore, power battery is low
Need of work considers the heating problems of battery under the conditions of temperature, to meet the function of working normally under low temperature.
To solve the above-mentioned problems, current battery producer mostly uses heating device outside battery modules to entire battery
Mould group heating, although the program can heat battery modules, since it is arranged outside battery modules to entire electricity
The heating of Chi Mo group reduces space utilization rate, and battery modules are usually made of several battery cells, and battery cell is again by more
A battery core composition, thus heating device is uneven to the heating of each battery cell inside battery modules, close to heating device one
The battery cell of side is first heated, and then heat gradually can be transmitted on internally positioned battery cell；Which results in
The heating device problem low to the heating efficiency of battery modules.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of cylindrical electrical core electricity of electrified heating piece
Pond monomer structure.
The purpose of this utility model is achieved through the following technical solutions: the cylindrical electrical core battery list of electrified heating piece
Body structure clamps between two battery core rows arranged side by side including copper current-carrying plate, nickel sheet and two battery core rows arranged side by side
Electric heating sheets, each battery core row are made of multiple cylindrical electrical cores, and the copper current-carrying plate is set to the positive and negative both ends of the cylindrical electrical core, copper
Current-carrying plate is equipped with the through-hole to match with the cylindrical electrical core electrode, and the nickel sheet is located in the copper current-carrying plate and the circle
Between column battery core, the nickel sheet is equipped with the through hole to match with the cylindrical electrical core electrode, the nickel sheet and the cylinder
The electrode of battery core is fixedly connected, and the nickel sheet two sides are equipped with lug, and the copper current-carrying plate, which is equipped with, to match with the lug
Groove.
Multiple cylindrical electrical cores are fixedly mounted in groups by the fixed bracket of cylindrical electrical core.
It is equipped with gap between the electric heating sheets and cylindrical electrical core, and is formed between electric heating sheets and cylindrical electrical core thermally conductive
Air duct.
The electric heating sheets and battery core arranged side by side, which are arranged, to be interference fitted.
The lug is fixed with the groove soldering.
The electrode points solid welding of the through hole and the cylindrical electrical core is fixed.
The beneficial effects of the utility model are:
1) electric heating sheets are clamped between two battery cores rows arranged side by side, not only increase electric heating sheets and cylindrical electrical core it
Between contact area, directly cylindrical electrical core can be heated by electric heating sheets, improve to cylindrical electrical core battery cell
Heating efficiency；And the uniform heat distribution in electric heating sheets superheating process can be improved, it further increases to cylindrical electrical core
The heating efficiency of battery cell, the space utilization rate of battery structure can be effectively improved by being clipped between cylindrical electrical core.
2) it is equipped with gap between electric heating sheets and cylindrical electrical core, and forms thermally conductive wind between electric heating sheets and cylindrical electrical core
Road, due to being equipped with gap between electric heating sheets and cylindrical electrical core, so that electric heating sheets during heating will not be because of electric heating sheets
Temperature it is excessively high and cause damages to cylindrical electrical core, it is often more important that the heat that electric heating sheets generate during heating, can be with
The each section for being transmitted to battery cell by forming thermally conductive air duct between electric heating sheets and cylindrical electrical core keeps heat distribution more equal
It is even.
3) nickel sheet is located between copper current-carrying plate and cylindrical electrical core, and nickel sheet is fixedly connected with the electrode of cylindrical electrical core, specifically
, the electrode points solid welding of the through hole and the cylindrical electrical core is fixed, ideal intensity is obtained by way of metallurgical bonding, and
The spot welding effect of nickel sheet is good, internal resistance is lower, anti-oxidant, corrosion-resistant, so that the discharge time of battery pack is longer, battery spot welding is more firm
Gu；The lug is fixed with the groove soldering, using low melting point brazing metal heating fusing after, penetrate into and fill nickel sheet with
The gap of copper current-carrying plate junction, good airproof performance connect stronger.
4) two sides of nickel sheet are equipped with lug, and copper current-carrying backboard is recessed equipped with matching with the lug to the side of electrode
Slot, the lug are bent on copper current-carrying plate, so that lug is capable of fixing in groove, the specification of the groove is greater than described convex
Ear can be conducive to the entrance of soldering material, and reduce the difficulty that lug works in groove soldering.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the structural schematic diagram of nickel sheet；
Fig. 6 is the cross-sectional view that heating sheet is installed between battery core row；
In figure, 1- copper current-carrying plate, 1.1- through-hole, 2- nickel sheet, 2.1- lug, 2.2- through hole, 3- cylindrical electrical core, 4- electricity adds
Backing, the fixed bracket of 5- cylindrical electrical core.
Specific embodiment
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
Refering to fig. 1-6, the utility model provides a kind of technical solution: the cylindrical electrical core battery cell knot of electrified heating piece
Structure clamps electricity between two battery core rows arranged side by side including copper current-carrying plate 1, nickel sheet 2 and two battery core rows arranged side by side
Heating sheet 4, each battery core row are made of multiple cylindrical electrical cores 3, and multiple cylindrical electrical cores 3 pass through the fixed bracket of cylindrical electrical core
5 are fixedly mounted in groups, specifically, the fixed bracket 5 of the cylindrical electrical core is set to 3 both ends of cylindrical electrical core, by multiple cylindrical electrical cores 3
Concatenation in groups, ensure that the stability of entire parallel-connection structure.
The copper current-carrying plate 1 is set to the positive and negative both ends of the cylindrical electrical core 3, and copper current-carrying plate 1 is equipped with and the cylindrical electrical core 3
The through-hole 1.1 that matches of electrode, spot welding processing is carried out to electrode and nickel sheet 2 convenient for the later period.
The nickel sheet 2 is located between the copper current-carrying plate 1 and the cylindrical electrical core 3, passes through the nickel sheet 2 and copper current-carrying
The positive and negative electrode of multiple cylindrical electrical cores 3 is connected by plate 1 respectively, forms it into parallel-connection structure.
The nickel sheet 2 is equipped with the through hole 2.2 to match with 3 electrode of cylindrical electrical core, the through hole 2.2 and institute
1.1 location matches of through-hole on copper current-carrying plate 1 are stated, enables electrode to pass through through-hole 1.1 and is contacted with nickel sheet 2, specifically, described
Through hole 2.2 is cross-hole, can obtain good force-bearing situation, bear biggish inflow-rate of water turbine, increase the stability of structure.
The nickel sheet 2 is fixedly connected with the electrode of the cylindrical electrical core 3, specifically, the through hole 2.2 and the cylinder
The electrode points solid welding of battery core 3 is fixed, ideal intensity is obtained by way of metallurgical bonding, and the spot welding effect of nickel sheet 2 is good, internal resistance
It is lower, anti-oxidant, corrosion-resistant, so that the discharge time of battery pack is longer, battery spot welding is stronger.
The two sides of the nickel sheet 2 are equipped with lug 2.1, and the copper current-carrying plate 1 is equipped with and the lug backwards to the side of electrode
2.1 grooves to match, the lug 2.1 is bent on copper current-carrying plate 1, so that lug 2.1 is capable of fixing in groove.
Preferably, the lug 2.1 is fixed with the groove soldering, after the brazing metal heating fusing of low melting point,
The gap of nickel sheet 2 Yu 1 junction of copper current-carrying plate is penetrated into and fills, compactness is good, connects stronger.
Further, the size of the groove is greater than the lug 2.1, can be conducive to the entrance of soldering material, and reduce
The difficulty that lug 2.1 works in the soldering of groove.
The electric heating sheets 4 are arranged with battery core arranged side by side to be interference fitted, and structure is simple, high reliablity, further, institute
It states electric heating sheets 4 and clamps and be fixed between adjacent two cylindrical electrical core 3, not only increase between electric heating sheets 4 and cylindrical electrical core 3
Contact area can directly heat cylindrical electrical core 3 by electric heating sheets 4, and raising adds 3 battery cell of cylindrical electrical core
The thermal efficiency, and the uniform heat distribution in 4 superheating process of electric heating sheets can be improved, it further increases to cylindrical electrical core 3
The heating efficiency of battery cell, the space utilization rate of battery structure can be effectively improved by being clipped between cylindrical electrical core 3.
It is equipped with gap between the electric heating sheets 4 and cylindrical electrical core 3, and is formed between electric heating sheets 4 and cylindrical electrical core 3
Thermally conductive air duct, due to being equipped with gap between electric heating sheets 4 and cylindrical electrical core 3, so that electric heating sheets 4 during heating will not be because
The temperature of electric heating sheets 4 is excessively high and causes damages to cylindrical electrical core 3, it is often more important that electric heating sheets 4 generate during heating
Heat, each section that can be transmitted to battery cell by forming thermally conductive air duct between electric heating sheets 4 and cylindrical electrical core 3 makes heat
Amount distribution is more uniform.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection scope in.
Claims (6)
1. the cylindrical electrical core battery cell structure of electrified heating piece, it is characterised in that: including copper current-carrying plate (1), nickel sheet (2) and
Two battery cores arranged side by side are arranged, and are clamped electric heating sheets (4) between two battery cores rows arranged side by side, each battery core row is by multiple
Cylindrical electrical core (3) is constituted, and the copper current-carrying plate (1) is set to the cylindrical electrical core (3) positive and negative both ends, and copper current-carrying plate (1) is equipped with
The through-hole (1.1) to match with the cylindrical electrical core (3) electrode, the nickel sheet (2) be located in the copper current-carrying plate (1) with it is described
Between cylindrical electrical core (3), the nickel sheet (2) is equipped with the through hole (2.2) to match with the cylindrical electrical core (3) electrode, institute
It states nickel sheet (2) to be fixedly connected with the electrode of the cylindrical electrical core (3), nickel sheet (2) two sides are equipped with lug (2.1), the copper
Current-carrying plate (1) is equipped with the groove to match with the lug (2.1).
2. the cylindrical electrical core battery cell structure of electrified heating piece according to claim 1, it is characterised in that: described is more
A cylindrical electrical core (3) is fixedly mounted in groups by cylindrical electrical core fixed bracket (5).
3. the cylindrical electrical core battery cell structure of electrified heating piece according to claim 1, it is characterised in that: the electricity adds
It is equipped with gap between backing (4) and cylindrical electrical core (3), and forms thermally conductive wind between electric heating sheets (4) and cylindrical electrical core (3)
Road.
4. the cylindrical electrical core battery cell structure of electrified heating piece according to claim 1, it is characterised in that: the electricity adds
Backing (4) and battery core arranged side by side, which are arranged, to be interference fitted.
5. the cylindrical electrical core battery cell structure of electrified heating piece according to claim 1, it is characterised in that: the lug
(2.1) it is fixed with the groove soldering.
6. the cylindrical electrical core battery cell structure of electrified heating piece according to claim 1, it is characterised in that: described to run through
The electrode points solid welding of hole (2.2) and the cylindrical electrical core (3) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820737370.7U CN208208938U (en) | 2018-05-17 | 2018-05-17 | The cylindrical electrical core battery cell structure of electrified heating piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820737370.7U CN208208938U (en) | 2018-05-17 | 2018-05-17 | The cylindrical electrical core battery cell structure of electrified heating piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208938U true CN208208938U (en) | 2018-12-07 |
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ID=64517362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820737370.7U Active CN208208938U (en) | 2018-05-17 | 2018-05-17 | The cylindrical electrical core battery cell structure of electrified heating piece |
Country Status (1)
| Country | Link |
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| CN (1) | CN208208938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092435A1 (en) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Battery cell heating assembly, battery module, and vehicle |
-
2018
- 2018-05-17 CN CN201820737370.7U patent/CN208208938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092435A1 (en) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Battery cell heating assembly, battery module, and vehicle |
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