CN213021995U

CN213021995U - Battery module and have its vehicle

Info

Publication number: CN213021995U
Application number: CN202022443801.9U
Authority: CN
Inventors: 单小林; 刘建华; 郑慧苗; 麻玉连
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-20
Anticipated expiration: 2030-10-28

Abstract

The application discloses battery module and vehicle that has it, battery module includes: the electric core group, the electric core group includes: the battery comprises a plurality of battery cores which are sequentially superposed, wherein at least one of the battery cores is provided with a sensor, and each battery core is provided with an explosion-proof valve; the sensor installing support sets up just be suitable for fixedly on the upper surface of electric core group the sensor, be provided with on the sensor installing support and dodge the groove, dodge the groove with the explosion-proof valve is just right. Therefore, on one hand, the sensor is arranged in the sensor mounting bracket, so that the fixing stability of the sensor on the electric core group can be improved, and the measurement precision of the sensor is improved; on the other hand, avoid sensor installing support and explosion-proof valve to interfere to make explosion-proof valve can in time open the pressure release, improve the job stabilization nature of electric core, avoid battery module excessive pressure damage, improve the life and the safety in utilization of battery module.

Description

Battery module and have its vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a battery module and have its vehicle is related to.

Background

With the increasing scarcity of petroleum resources and the rising demand for environmental protection, new energy vehicles, especially electric vehicles, become a major direction for the development of the vehicle industry.

Among the correlation technique, the battery package comprises a plurality of battery modules, and the electric energy output of establishing ties in order to realize great voltage between a plurality of battery modules has a plurality of electric cores of establishing ties or parallelly connected in the battery module, need set up the sensor on the battery module and carry out real-time detection with the operating condition to the electric core in the battery module.

However, in the conventional battery module, the fixing stability of the temperature sensor on the battery module is poor, and the bracket for fixing the temperature sensor may interfere with the explosion-proof valve, thereby reducing the use safety of the battery module.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a battery module, battery module's safety in utilization is higher, and the fixed stability of sensor is higher.

The utility model further provides a vehicle, the vehicle adopts above-mentioned battery module.

According to the utility model discloses battery module of vehicle of first aspect embodiment includes: the electric core group, the electric core group includes: the battery comprises a plurality of battery cores which are sequentially superposed, wherein at least one of the battery cores is provided with a sensor, and each battery core is provided with an explosion-proof valve; the sensor installing support sets up just be suitable for fixedly on the upper surface of electric core group the sensor, be provided with on the sensor installing support and dodge the groove, dodge the groove with the explosion-proof valve is just right.

According to the battery module, the sensor mounting bracket is arranged, and the avoidance groove of the sensor mounting bracket is opposite to the explosion-proof valve of the battery cell, so that on one hand, the sensor is arranged in the sensor mounting bracket, the fixing stability of the sensor on the battery cell group can be improved, and the measurement accuracy of the sensor is improved; on the other hand, avoid sensor installing support and explosion-proof valve to interfere to make explosion-proof valve can in time open the pressure release, improve the job stabilization nature of electric core, avoid battery module excessive pressure damage, improve the life and the safety in utilization of battery module.

According to some embodiments of the invention, the sensor mounting bracket comprises: the sensor comprises a body part and a sensor fixing part arranged on one side of the body part, wherein the body part is fixed with the electric core group, the sensor fixing part is suitable for fixing a sensor, and the avoiding groove is formed in the body part.

In some embodiments, the body portion comprises: first board and be located the connecting plate portion at first board both ends, the one end of connecting plate portion with first board is connected, the other end of connecting plate portion deviates from first board downwardly extending is in order to inject avoid the groove.

Further, the body portion further includes: the second board, the second board with the extending direction of first board is unanimous, just the one end of second board with the connection board is connected, be provided with the fixed orifices on the other end of second board, the fixed orifices with the utmost point post cooperation of the electric core of electric core group.

Further, a positioning column is arranged on the upper surface of the first plate portion and is suitable for positioning an FPC electrically connected with the sensor.

Furthermore, a plurality of reinforcing ribs are arranged between the fixing holes and the connecting plate part.

In some embodiments, a sensor fixing hole is provided on the sensor fixing portion, and the sensor is disposed in the sensor fixing hole.

Further, the both ends of sensor fixed part are provided with first buckle and second buckle, the sensor installing support still includes: the fixing plate is in clamping fit with the first buckle and the second buckle to cover the sensor.

Furthermore, the sensor fixing hole is filled with silicon foam.

According to the utility model discloses vehicle of second aspect embodiment includes: the battery module described in the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a battery module according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a sensor mounting bracket of a battery module according to an embodiment of the present invention;

fig. 3 is a schematic front view of a sensor mounting bracket of a battery module according to an embodiment of the present invention;

fig. 4 is a schematic plan view of a sensor mounting bracket of a battery module according to an embodiment of the present invention.

Reference numerals:

the battery module 100 is provided with a battery case,

the electric core group 10 is provided with an electric core group,

sensor mounting bracket 20, main body 21, first plate 211, positioning post 2111, connecting plate 212, second plate 213, reinforcing rib 2131,

a sensor fixing portion 22, a first catch 221, a second catch 222,

avoiding the groove a, the fixing hole b and the sensor fixing hole c.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A battery module 100 and a vehicle according to an embodiment of the present invention are described below with reference to fig. 1 to 4.

As shown in fig. 1, a battery module 100 of a vehicle according to an embodiment of the first aspect of the present invention includes: the electric core group 10, electric core group 10 includes: the battery comprises a plurality of battery cores which are sequentially superposed, wherein at least one of the battery cores is provided with a sensor, and each battery core is provided with an explosion-proof valve; the sensor mounting bracket 20 is arranged on the upper surface of the electric core group 10, the sensor mounting bracket 20 is suitable for fixing a sensor, and the sensor mounting bracket 20 is provided with an avoiding groove a which is just opposite to the explosion-proof valve.

Specifically, along with the promotion of the continuation of the journey mileage of vehicle, the volume of battery module 100 is bigger and bigger, and then in the battery module 100 structure of single electric core, the sensor passes through sensor installing support 20 and sets up on the middle zone, in the battery module 100 structure of double electric core, all be provided with a sensor installing support 20 and correspond and set up a sensor on the middle zone of every row of electric core.

Furthermore, the avoiding groove a of the sensor mounting bracket 20 is opposite to the explosion-proof valve, so that the explosion-proof valve can be opened when the voltage of the battery cell needs to be relieved, the interference of the explosion-proof valve and the sensor mounting bracket 20 is avoided, the voltage of the battery cell can be relieved in time, the use safety of the battery module 100 is improved, and the overvoltage damage of the battery module 100 is avoided.

According to the battery module 100 of the embodiment of the application, the sensor mounting bracket 20 is arranged, and the avoidance groove a of the sensor mounting bracket 20 is opposite to the explosion-proof valve of the battery cell, so that on one hand, the sensor is arranged in the sensor mounting bracket 20, the fixing stability of the sensor on the battery cell group 10 can be improved, and the measurement accuracy of the sensor is improved; on the other hand, avoid sensor installing support 20 to interfere with explosion-proof valve to make explosion-proof valve can in time open the pressure release, improve the job stabilization nature of electric core, avoid battery module 100 excessive pressure damage, improve battery module 100's life and safety in utilization.

As shown in fig. 2 and 4, according to some embodiments of the present invention, the sensor mounting bracket 20 includes: the sensor comprises a main body 21 and a sensor fixing part 22 arranged on one side of the main body 21, wherein the main body 21 is fixed with the electric core group 10, the sensor fixing part 22 is suitable for fixing a sensor, and an avoiding groove a is formed on the main body 21.

Specifically, the sensor fixing portion 22 is provided on one side of the main body portion 21, the escape groove a is located on a middle region of the main body portion 21, and the escape groove a is spaced apart from the sensor fixing portion 22. Therefore, on the premise of ensuring the fixing stability of the sensor on the sensor fixing part 22, the avoiding groove a is positioned in the middle area of the body part 21, so that the displacement caused by the uneven stress of the sensor mounting bracket 20 in the pressure relief process of the explosion-proof valve is avoided, and the fixing stability of the sensor mounting bracket 20 on the electric core assembly 10 is improved.

As shown in fig. 2, in some embodiments, the body portion 21 includes: first plate portion 211 and link plate portion 212 that is located first plate portion 211 both ends, the one end of link plate portion 212 is connected with first plate portion 211, and the other end of link plate portion 212 deviates from first plate portion 211 and extends downwards to limit and dodge groove a.

That is, first plate portion 211 is disposed opposite to electric core assembly 10, one end of connecting plate portion 212 is connected to first plate portion 211, and the other end of connecting plate portion 212 extends toward electric core assembly 10, so as to define an avoiding groove a opposite to the explosion-proof valve, and make body portion 21 have a symmetrical structure, thereby further improving the stress of sensor mounting bracket 20, and effectively avoiding sensor mounting bracket 20 from interfering with the explosion-proof valve.

Further, the body portion 21 further includes: and the second plate part 213, the extending direction of the second plate part 213 and the first plate part 211 is the same, one end of the second plate part 213 is connected with the connecting plate part 212, the other end of the second plate part 213 is provided with a fixing hole b, and the fixing hole b is matched with the pole of the battery cell group 10. Therefore, the two ends of the body part 21 are respectively fixed with the positive pole and the negative pole of the battery cell through the fixing holes b, and the fixing stability of the sensor mounting bracket 20 on the battery cell group 10 can be further improved.

As shown in fig. 2 and 3, a positioning post 2111 is provided on the upper surface of the first plate portion 211, the positioning post 2111 being adapted to position the FPC electrically connected to the sensor. Specifically, the sensor is electrically connected with an external device for collecting sensor signals through an FPC (Flexible Printed Circuit board), and the FPC is further fixed on the sensor mounting bracket 20 through a positioning column 2111, so that the FPC is prevented from moving or being disconnected from the sensor, the FPC is prevented from being damaged by surrounding parts on the premise of improving the working stability of the sensor, and the service lives of the sensor and the FPC are further prolonged.

As shown in fig. 2 and 4, a plurality of ribs 2131 are further provided between the fixing hole b and the connecting plate portion 212, and the plurality of ribs 2131 are provided in the circumferential direction of the fixing hole b, so that the structural strength of the sensor attachment bracket 20 is increased by providing the ribs 2131.

In the specific embodiment shown in fig. 4, a sensor fixing hole c is provided on the sensor fixing portion 22, and the sensor is disposed in the sensor fixing hole c.

Specifically, the sensor fixing portion 22 is formed on one side of the first plate portion 211, is connected to the first plate portion 211 through an inclined plate, and is provided with a sensor fixing hole c on the sensor fixing portion 22, the sensor can be disposed in the sensor fixing hole c, and the sensor fixing hole c can limit the sensor, so that the fixing stability of the sensor on the sensor mounting bracket 20 can be improved.

Further, the sensor fixing portion 22 is provided with a first catch 221 and a second catch 222 at both ends thereof, and the sensor mounting bracket 20 further includes: and the fixing plate is in clamping fit with the first buckle 221 and the second buckle 222 so as to cover the sensor. Therefore, the fixing plate covers the sensor fixing part 22 to separate the sensor from surrounding parts, and the sensor fixing hole c is filled with silicon foam, so that the fixing stability of the sensor can be further improved, and the detection of the sensor is more accurate and reliable.

According to the utility model discloses vehicle of second aspect embodiment includes: the battery module 100 in the above embodiment.

According to the vehicle of the embodiment of the application, the battery module 100 has the same technical effect as the battery module 100, and the description thereof is omitted.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery module (100) for a vehicle, comprising:

the electric core group (10), electric core group (10) includes: the battery comprises a plurality of battery cores which are sequentially superposed, wherein at least one of the battery cores is provided with a sensor, and each battery core is provided with an explosion-proof valve;

sensor installing support (20), sensor installing support (20) set up just be suitable for fixedly on the upper surface of electric core group (10) the sensor, be provided with on sensor installing support (20) and dodge groove (a), dodge groove (a) with the explosion-proof valve is just right.

2. The battery module (100) of the vehicle according to claim 1, wherein the sensor mounting bracket (20) includes: the sensor comprises a body part (21) and a sensor fixing part (22) arranged on one side of the body part (21), the body part (21) is fixed with the electric core group (10), the sensor fixing part (22) is suitable for fixing a sensor, and an avoiding groove (a) is formed in the body part (21).

3. The battery module (100) of the vehicle according to claim 2, wherein the body portion (21) includes: first board portion (211) and be located connecting plate portion (212) at first board portion (211) both ends, the one end of connecting plate portion (212) with first board portion (211) are connected, the other end of connecting plate portion (212) deviates from first board portion (211) downwardly extending is in order to inject dodge groove (a).

4. The battery module (100) of the vehicle according to claim 3, wherein the body portion (21) further includes: the second board portion (213), second board portion (213) with the extending direction of first board portion (211) is unanimous, just the one end of second board portion (213) with connecting plate portion (212) are connected, be provided with on the other end of second board portion (213) fixed orifices (b), fixed orifices (b) with the utmost point post cooperation of the electric core of electric core group (10).

5. The vehicle battery module (100) according to claim 4, wherein a positioning post (2111) is provided on an upper surface of the first plate portion (211), the positioning post (2111) being adapted to position an FPC electrically connected to the sensor.

6. The vehicular battery module (100) according to claim 4, wherein a plurality of beads (2131) are further provided between the fixing hole (b) and the connecting plate portion (212).

7. The vehicular battery module (100) according to claim 2, wherein the sensor fixing portion (22) is provided with a sensor fixing hole (c) in which the sensor is disposed.

8. The battery module (100) of the vehicle according to claim 7, wherein both ends of the sensor fixing portion (22) are provided with a first catch (221) and a second catch (222), and the sensor mounting bracket (20) further comprises: a securing plate snap-fit with the first and second snaps (221, 222) to cover over the sensor.

9. The battery module (100) for the vehicle according to claim 7, wherein the sensor fixing hole (c) is further filled with silicon foam.

10. A vehicle, characterized by comprising: the battery module (100) according to any one of claims 1 to 9.