CN213304247U - Uneven PTC heating plate of battery module - Google Patents
Uneven PTC heating plate of battery module Download PDFInfo
- Publication number
- CN213304247U CN213304247U CN202022802230.3U CN202022802230U CN213304247U CN 213304247 U CN213304247 U CN 213304247U CN 202022802230 U CN202022802230 U CN 202022802230U CN 213304247 U CN213304247 U CN 213304247U
- Authority
- CN
- China
- Prior art keywords
- plate
- shell
- ptc heating
- electrode plates
- small electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to an inhomogeneous PTC heating plate of battery module, including the shell, fixed mounting has the hot plate in the shell, and fixed mounting has positive plate and negative pole piece respectively in the both sides of hot plate, and the one end of positive plate and the one end of negative pole piece are equipped with the port of being connected with the power respectively. The utility model has the advantages that the PTC heating sheet with uneven heating density is adopted, which is beneficial to the even heating of the battery pack or the module and reduces the temperature difference of the battery; meanwhile, the shell adopts a deformation guide structure, so that the structural shape consistency of the shell in the extrusion manufacturing process is improved.
Description
Technical Field
The utility model relates to a battery package technical field, concretely relates to inhomogeneous PTC heating plate of battery module.
Background
The current global automobile industry faces huge challenges of energy and environmental problems, and has high energy utilization rate and no serious pollution to the environment. At present, the automobile industry in China faces a great challenge of energy and environmental problems, and pure electric automobiles without environmental pollution increasingly become the development direction of the automobile industry in the future. The power battery is used as a core component of the electric automobile, the temperature of the power battery of the new energy automobile influences the performance of the power battery, generally, the temperature of a power battery system is directly influenced under the low-temperature working condition, so that the charging current is too small, the charging time is long, the problems of slow temperature rise and long charging time of the battery can be solved by adding the PTC heating sheet, and meanwhile, the temperature difference is also a key factor for determining the charging time and the service life of the battery.
At present, a natural cooling and heating scheme is adopted for a power battery system to ensure that the power battery works in a proper temperature range, and a power battery thermal management system transfers heat to a module through a PTC heating sheet so that the power battery system can quickly reach a chargeable temperature and a high-rate charging temperature point under a low-temperature working condition. However, in the conventional scheme, the temperature difference of the battery is very easy to be overlarge in the low-temperature heating process, so that the charging time is slow, the monomer pressure difference is overlarge, the service life of the battery is shortened, and the safety of the battery is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an inhomogeneous PTC heating plate of battery module is provided, aim at solving above-mentioned technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides an inhomogeneous PTC heating plate of battery module, includes the shell, fixed mounting has the hot plate in the shell, the both sides of hot plate fixed mounting respectively have positive plate and negative pole piece, the one end of positive plate with the one end of negative pole piece is equipped with the port of being connected with the power respectively.
The utility model has the advantages that: during the use, fix the shell on battery module through the mode that the skilled person in the art can think, then for positive plate and negative pole piece circular telegram for the heating plate heating, thereby make the temperature of whole battery module even, reduce the difference in temperature of battery. The utility model discloses a PTC heating plate of inhomogeneous heating density can be favorable to being heated of battery package or module evenly, reduces the battery difference in temperature.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the space inside the shell is divided into a plurality of accommodating cavities with at least one open end by partition columns; the heating plate is formed by splicing a plurality of short heating plates which are in one-to-one correspondence with the accommodating cavities, and the positive plate and the negative plate are respectively formed by splicing a plurality of small electrode plates which are in one-to-one correspondence with the short heating plates; the port on the positive plate and/or the negative plate extends out of the open end of the accommodating cavity.
When the battery is installed, the short heating plate and the two corresponding small battery pieces are fixed together and then inserted into the corresponding accommodating cavities; then, extruding the shell in a manner that can be thought by a person skilled in the art until the positive plate and the negative plate are respectively attached to the inner wall of the shell; finally, electrifying the positive plate and the negative plate, so that the heating plate is heated, the temperature uniformity of the battery module is ensured, and the temperature difference is reduced; meanwhile, the shell adopts a deformation guide structure, so that the structural shape consistency of the shell in the extrusion manufacturing process is improved.
Furthermore, the shell is an I-shaped shell, five accommodating cavities are arranged in the shell, one accommodating cavity is a long strip cavity, and the rest four accommodating cavities are square cavities and are respectively positioned on two sides of two ends of the long strip cavity; the positive plate and the negative plate are respectively formed by splicing five small electrode plates which are in one-to-one correspondence with the five containing cavities.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design guarantees that battery module's temperature is even.
Furthermore, the ports are respectively arranged at one ends of three small electrode plates positioned at the same end of the positive plate and the negative plate, and the rest two small electrode plates are respectively connected with one ends of two square small electrode plates in the three small electrode plates through circuits.
The beneficial effect who adopts above-mentioned further scheme is that the circuit distributes rationally, realizes circular telegram simultaneously of a plurality of little electrode slices to make a plurality of short hot plate heating.
Furthermore, the shell is a T-shaped shell, three accommodating cavities are arranged in the shell, one accommodating cavity is a long strip cavity, and the rest two accommodating cavities are respectively positioned on two sides of one end of the long strip cavity; the positive plate and the negative plate are respectively formed by splicing three small electrode plates which are in one-to-one correspondence with the three containing cavities.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design guarantees that battery module's temperature is even.
Furthermore, the same ends of the three small electrode plates are respectively provided with the ports.
The beneficial effect who adopts above-mentioned further scheme is that the circuit distributes rationally, realizes circular telegram simultaneously of a plurality of little electrode slices to make a plurality of short hot plate heating.
Further, the inside of each of the partition columns is hollow.
The beneficial effect of adopting above-mentioned further scheme is that adopt the deformation guide structure, be favorable to improving the structural shape uniformity of shell in the extrusion manufacturing process.
Further, both ends of each of the partition columns are open.
The beneficial effect of adopting above-mentioned further scheme is that adopt the deformation guide structure, be favorable to improving the structural shape uniformity of shell in the extrusion manufacturing process.
Further, one side and the edge of the positive plate and the negative plate, which are far away from the heating plate, are respectively attached to the inner wall of the shell, and are respectively wrapped by insulating layers.
The beneficial effect of adopting above-mentioned further scheme is that the normal operating of assurance part.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is one of the exploded views of the present invention;
fig. 3 is a second explosion diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a shell, 2, a heating plate, 3, a positive plate, 4, a negative plate, 5, a port, 6, a containing cavity, 7, a short heating plate, 8, a small electrode plate, 9 and a separation column.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, the utility model provides an inhomogeneous PTC heating plate of battery module, including shell 1, fixed mounting has hot plate 2 in the shell 1, and the both sides of hot plate 2 are respectively through the mode fixed mounting that can think of by the technical staff in the field have positive plate 3 and negative pole piece 4, and the one end of positive plate 3 and the one end of negative pole piece 4 are equipped with port 5 of being connected with the power respectively. During the use, fix shell 1 on battery module through the mode that can think of by the skilled person in the art, then give positive plate 3 and 4 circular telegrams of negative pole piece for heating plate 2 heats, thereby makes the temperature of whole battery module even, reduces the difference in temperature of battery. The utility model discloses a PTC heating plate of inhomogeneous heating density can be favorable to being heated of battery package or module evenly, reduces the battery difference in temperature.
The ports 5 on the positive plate 3 and the negative plate 4 are respectively connected with the positive and negative electrodes of a power supply through circuits.
In addition, the heating plate 2 with uneven heating density is adopted, so that the power of the heating plate 2 can be improved, the local overhigh temperature is prevented, and the temperature difference of the battery module is reduced.
Example 1
On the basis of the structure, in the embodiment, the space inside the housing 1 is divided into a plurality of accommodating cavities 6 with at least one open end by the partition columns 9, and the partition columns 9 and the housing 1 are integrally formed, so that the structure is simple; the heating plate 2 is formed by splicing a plurality of short heating plates 7 which are in one-to-one correspondence with the accommodating cavities 6, and the positive plate 3 and the negative plate 4 are respectively formed by splicing a plurality of small electrode plates 8 which are in one-to-one correspondence with the short heating plates 7; the ports 5 on the positive electrode tab 3 and/or the negative electrode tab 4 extend out of the open ends of the corresponding receiving cavities 6. When the battery is installed, the short heating plates 7 and the corresponding two small battery pieces 8 are firstly fixed together in a mode that can be thought by a person skilled in the art and then are inserted into the corresponding accommodating cavities 6; then, the casing 1 is extruded in a manner that can be thought by those skilled in the art until the positive electrode tab 3 and the negative electrode tab 4 are respectively attached to the inner wall of the casing 1; finally, the positive plate 3 and the negative plate 4 are electrified, so that the heating plate 2 is heated, the temperature uniformity of the battery module is ensured, and the temperature difference is reduced; meanwhile, the shell 1 adopts a deformation guide structure, which is beneficial to improving the structural shape consistency of the shell 1 in the extrusion manufacturing process.
Every holds chamber 6 can one end uncovered, also can both ends all uncovered, makes things convenient for dismouting heating plate and electrode piece.
In addition, the port 5 may extend to the outside of the open end of the accommodating cavity 5, or may be located inside (either inside the open end or inside the closed end) thereof, and when located inside the closed end, a threading hole needs to be formed at the end of the housing 1.
Example 2
On the basis of the first embodiment, in the first embodiment, the shell 1 is an i-shaped shell, five accommodating cavities 6 are arranged in the shell, one accommodating cavity 6 is a long-strip cavity, and the remaining four accommodating cavities 6 are square cavities and are respectively positioned on two sides of two ends of the long-strip cavity; the positive plate 3 and the negative plate 4 are respectively formed by splicing five small electrode plates 8 which are in one-to-one correspondence with the five accommodating cavities 6, the structure is simple, the design is reasonable, and the temperature uniformity of the battery module is ensured.
It should be noted that, the remaining four accommodating cavities 6 may be square cavities, rectangular cavities, or other geometric shapes, which meet the requirements.
Example 3
On the basis of the second embodiment, in this embodiment, the ports 5 are respectively formed at one end of three small electrode plates 8 located at the same end of the positive electrode plate 3 and the negative electrode plate 4, the ports 5 on the small electrode plates 8 of the positive electrode and the negative electrode located in the same accommodating cavity 6 are respectively connected with the positive electrode and the negative electrode of the power supply through circuits, and the remaining two small electrode plates 8 are respectively connected with one end of two square small electrode plates 8 of the three small electrode plates 8 through circuits. The circuit is reasonable in distribution, and the small electrode plates 8 are electrified simultaneously, so that the short heating plates 7 are heated.
Example 4
On the basis of the second embodiment, in this embodiment, the housing 1 is a T-shaped shell, and three containing cavities 6 are arranged inside the housing, wherein one containing cavity 6 is a long cavity, the remaining two containing cavities 6 are respectively located at two sides of one end of the long cavity, and the remaining two containing cavities 6 may be long cavities or square cavities; positive plate 3 and negative pole piece 4 are formed by three and the three little electrode slice 8 concatenations that hold 6 one-to-one in chamber respectively, and simple structure, reasonable in design guarantees that battery module's temperature is even.
Example 5
On the basis of the fourth embodiment, in this embodiment, the same ends of the three small electrode plates 8 are respectively provided with ports 5, and the ports 5 on the small electrode plates 8 of the positive electrode and the negative electrode located in the same accommodating cavity 6 are respectively connected with the positive electrode and the negative electrode of the power supply through circuits. The circuit is reasonable in distribution, and the small electrode plates 8 are electrified simultaneously, so that the short heating plates 7 are heated.
The shape of the housing 1 can be designed according to the requirement, and the shape of the housing 1 is not limited in the present application.
Example 6
On the basis of the structure, in the embodiment, the inner part of each separation column 9 is hollow, and both ends of each separation column are open, and the deformation guide structure is adopted, so that the structural shape consistency of the shell 1 in the extrusion manufacturing process is improved.
Example 7
On the basis of the structure, in the embodiment, one side and the edge of the positive plate 3 and the negative plate 4, which are far away from the heating plate 2, are respectively attached to the inner wall of the shell 1, and the insulating layers are respectively wrapped on the side and the edge of the positive plate and the edge of the negative plate, so that the normal operation of the components is ensured.
The working principle of the utility model is as follows:
firstly, fixing the shell 1 at a corresponding position on the battery module in a manner that can be thought by those skilled in the art, fixing the short heating plate 7 and the corresponding two small battery pieces 8 together in a manner that can be thought by those skilled in the art, and then inserting the two small battery pieces into the corresponding accommodating cavities 6; then, the casing 1 is extruded in a manner that can be thought by those skilled in the art until the positive electrode tab 3 and the negative electrode tab 4 are respectively attached to the inner wall of the casing 1; and finally, electrifying the positive plate 3 and the negative plate 4, so that the heating plate 2 is heated, the temperature uniformity of the battery module is ensured, and the temperature difference is reduced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides an inhomogeneous PTC heating plate of battery module which characterized in that: including shell (1), fixed mounting has hot plate (2) in shell (1), the both sides of hot plate (2) fixed mounting respectively have positive plate (3) and negative pole piece (4), the one end of positive plate (3) with the one end of negative pole piece (4) is equipped with port (5) of being connected with the power respectively.
2. The non-uniform PTC heating sheet for battery modules according to claim 1, wherein: the space in the shell (1) is divided into a plurality of accommodating cavities (6) with at least one open end by separating columns (9); the heating plate (2) is formed by splicing a plurality of short heating plates (7) which are in one-to-one correspondence with the accommodating cavities (6), and the positive plate (3) and the negative plate (4) are respectively formed by splicing a plurality of small electrode plates (8) which are in one-to-one correspondence with the short heating plates (7); the port (5) positioned on the positive plate (3) and/or the negative plate (4) extends out of the open end corresponding to the accommodating cavity (6).
3. The non-uniform PTC heating sheet for battery modules according to claim 2, wherein: the shell (1) is an I-shaped shell, five accommodating cavities (6) are arranged in the shell, one accommodating cavity (6) is a long-strip cavity, and the remaining four accommodating cavities (6) are square cavities and are respectively positioned on two sides of two ends of the long-strip cavity; the positive plate (3) and the negative plate (4) are formed by splicing five small electrode plates (8) which correspond to the containing cavities (6) one by one.
4. The non-uniform PTC heating sheet for battery modules according to claim 3, wherein: the end openings (5) are formed in one ends of the three small electrode plates (8) located at the same end of the positive electrode plate (3) and the negative electrode plate (4), and the rest two small electrode plates (8) are connected with one ends of two square small electrode plates (8) in the three small electrode plates (8) through circuits.
5. The non-uniform PTC heating sheet for battery modules according to claim 2, wherein: the shell (1) is a T-shaped shell, three accommodating cavities (6) are arranged in the shell, one accommodating cavity (6) is a long strip cavity, and the rest two accommodating cavities (6) are respectively positioned on two sides of one end of the long strip cavity; the positive plate (3) and the negative plate (4) are formed by splicing three small electrode plates (8) which correspond to the containing cavities (6) one by one.
6. The non-uniform PTC heating sheet for battery modules according to claim 5, wherein: the same ends of the three small electrode plates (8) are respectively provided with the ports (5).
7. The uneven PTC heating sheet for battery modules according to any one of claims 2-6, wherein: the interior of each of the separation columns (9) is hollow.
8. The non-uniform PTC heating sheet for battery modules according to claim 7, wherein: both ends of each separation column (9) are open.
9. The uneven PTC heating sheet for battery modules according to any one of claims 1-6, wherein: one side and the edge of the positive plate (3) and the negative plate (4) which are far away from the heating plate (2) are respectively attached to the inner wall of the shell (1) and are respectively wrapped with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802230.3U CN213304247U (en) | 2020-11-27 | 2020-11-27 | Uneven PTC heating plate of battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802230.3U CN213304247U (en) | 2020-11-27 | 2020-11-27 | Uneven PTC heating plate of battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213304247U true CN213304247U (en) | 2021-05-28 |
Family
ID=76016906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022802230.3U Active CN213304247U (en) | 2020-11-27 | 2020-11-27 | Uneven PTC heating plate of battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213304247U (en) |
-
2020
- 2020-11-27 CN CN202022802230.3U patent/CN213304247U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216872114U (en) | Battery and electric equipment | |
| JP7312276B2 (en) | Battery modules, power battery packs and vehicles | |
| CN210489698U (en) | Battery module, battery package and vehicle | |
| CN217562707U (en) | Battery monomer, battery and consumer | |
| CN111009633A (en) | Battery pack with low-temperature heating function and communication standby power system | |
| CN109037787B (en) | New energy automobile lithium ion battery pack structure and 18650 battery manufacturing method thereof | |
| US20240339706A1 (en) | Battery and electric device | |
| WO2023078187A1 (en) | Battery pack, thermal management system of battery, and electric device | |
| CN215266457U (en) | Battery module assembly, winding type lithium battery cell, battery module and electronic equipment | |
| CN112382785B (en) | Nested lithium ion battery-based automobile battery pack for enhancing thermal management safety | |
| CN213782117U (en) | Lithium battery heat dissipation device | |
| CN213304247U (en) | Uneven PTC heating plate of battery module | |
| US11888136B2 (en) | Battery, power consumption device, and method and device for producing battery | |
| CN116615830B (en) | Battery, electric device, method and equipment for preparing battery | |
| CN111162350A (en) | Battery box with PTC heating plate and heat pipe integrated structure | |
| WO2023159486A1 (en) | Battery, electric device, and method and device for preparing battery | |
| CN216120489U (en) | Battery shell, battery monomer, battery and power consumption device | |
| CN210956793U (en) | Battery pack with low-temperature heating function and communication standby power system | |
| CN209948006U (en) | Laminate polymer battery module and electric vehicle who has this laminate polymer battery module | |
| CN210245575U (en) | Battery package integrated configuration | |
| CN111211284A (en) | Battery thermal management structure and battery module comprising same | |
| CN117175122B (en) | Battery and electricity utilization device | |
| CN221201297U (en) | Battery monomer, battery and electric equipment | |
| CN220138412U (en) | Cylindrical battery module | |
| CN117154324B (en) | Battery and electricity utilization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |