CN220138402U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
- Publication number
- CN220138402U CN220138402U CN202320318238.3U CN202320318238U CN220138402U CN 220138402 U CN220138402 U CN 220138402U CN 202320318238 U CN202320318238 U CN 202320318238U CN 220138402 U CN220138402 U CN 220138402U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- guard plate
- bottom guard
- battery
- air pipe
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000006261 foam material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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
- Battery Mounting, Suspending (AREA)
Abstract
The disclosure relates to the technical field of vehicles, in particular to a battery pack and a vehicle. The battery pack provided by the present disclosure includes a case frame and a bottom guard plate; the bottom of the box body frame is provided with an opening, and the bottom guard plate is connected with the box body frame to form a containing cavity for containing the battery unit; an alarm device is arranged in the accommodating cavity; the alarm device comprises an acquisition component and a control device which are connected in sequence; the acquisition assembly is abutted with the bottom guard plate and used for detecting collision information received by the bottom guard plate and sending detection information to the control device. The battery pack in this disclosure arranges the collection subassembly between battery cell bottom and end backplate, and when the battery pack bottom received the striking, the collection device can detect collision information to send collision information to controlling means, remind passenger cabin.
Description
Technical Field
The disclosure relates to the technical field of vehicles, in particular to a battery pack and a vehicle.
Background
In the actual use process of the electric automobile, the bottom misuse working condition happens sometimes. Under the working conditions that wheels sweep through pits, bulges or stone road surfaces, the bottoms of the electric vehicles are extremely easy to strike and scratch. Meanwhile, damage caused by abuse of the bottom is hidden at the bottom of the battery, and even some accidents are not caused by short-circuit fire at the moment, but the subsequent safety cannot be ensured.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a battery pack and a vehicle.
A first aspect of the present disclosure provides a battery pack comprising: a box frame and a bottom guard plate;
the bottom of the box body frame is provided with an opening, and the bottom guard plate is connected with the box body frame to form a containing cavity for containing the battery unit;
an alarm device is arranged in the accommodating cavity;
the alarm device comprises an acquisition component and a control device which are connected in sequence; the acquisition assembly is abutted with the bottom guard plate and used for detecting collision information received by the bottom guard plate and sending detection information to the control device.
Further, the collection assembly comprises an air pipe and an air pressure sensor arranged in the air pipe, a sealing cavity is formed in the air pipe, and the air pressure sensor is connected with the control device and used for sending detected air pressure information to the control device.
Further, the number of the air pressure sensors is two, and the air pressure sensors are respectively arranged at two ends of the air pipe.
Further, the air pipe is arranged on the bottom guard plate in a serpentine shape.
Further, the collection assembly comprises a support plate, the support plate is in butt joint with the bottom guard plate, and the air pipe is arranged in the support plate.
Further, a groove is formed in one side, facing the battery unit, of the support plate, the groove extends in a serpentine shape, and the air pipe is arranged in the groove.
Further, the support plate is made of a foaming material.
Further, the battery pack further comprises a liquid cooling plate, the liquid cooling plate is arranged in the accommodating cavity, and the alarm device is arranged between the liquid cooling plate and the bottom guard plate.
Further, a plurality of battery units are arranged in the accommodating cavity, and the battery units are all located above the air pipe.
A second aspect of the present disclosure provides a vehicle comprising the battery pack of the first aspect.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the battery pack provided by the embodiment of the disclosure comprises a box body frame and a bottom guard plate; the bottom of the box body frame is provided with an opening, and the bottom guard plate is connected with the box body frame to form a containing cavity for containing the battery unit; an alarm device is arranged in the accommodating cavity; the alarm device comprises an acquisition component and a control device which are connected in sequence; the acquisition assembly is in butt joint with the bottom guard plate and is used for detecting collision information received by the bottom guard plate and sending detection information to the control device. The battery package in this disclosed embodiment arranges the collection subassembly between battery cell bottom and end backplate, and when the battery package bottom received the striking, collection device can detect collision information to send collision information to controlling means, remind passenger cabin.
Drawings
Fig. 1 is a schematic structural view of a battery pack according to an embodiment of the present disclosure;
FIG. 2 is an exploded view of a battery pack according to an embodiment of the present disclosure;
fig. 3 is a schematic view showing a partial structure of a battery pack according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a warning device in a battery pack according to an embodiment of the disclosure;
FIG. 5 is an exploded view of a warning device in a battery pack according to an embodiment of the present disclosure;
fig. 6 is a partial cross-sectional view of a battery pack according to an embodiment of the present disclosure.
Reference numerals: 1. a box frame; 11. a receiving chamber; 2. a bottom guard board; 3. an air pipe; 4. an air pressure sensor; 5. a support plate; 51. a groove; 6. a battery unit; 7. and a control device.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
As shown in fig. 1, 2, 3, 4, 5 and 6, the battery pack provided by the embodiment of the present disclosure includes a case frame 1 and a bottom cover 2; the bottom of the box body frame 1 is provided with an opening, and the bottom guard plate 2 is connected with the box body frame 1 to form a containing cavity 11 for containing the battery units 6; an alarm device is arranged in the accommodating cavity 11; the alarm device comprises an acquisition component and a control device 7 which are connected in sequence; the acquisition component is abutted with the bottom guard plate 2 and used for detecting collision information received by the bottom guard plate 2 and sending detection information to the control device 7. The alarm device in this disclosure is to the alarm device that the battery package bottom collided, arranges the collection subassembly between battery cell 6 bottom and end backplate 2, and when the battery package bottom received the striking, the collection device can detect collision information to send collision information to controlling means 7, remind passenger cabin.
In other words, according to the embodiment of the disclosure, the alarm device is added in the bottom guard plate 2 area, so that structural deformation and fracture failure caused by collision and scratch of the bottom of the battery are identified, risk data which cannot be detected by the BMS at present are identified in advance, relevant early warning is carried out, and the use safety and personnel safety of the vehicle are ensured.
The control device 7 may be a controller or a BMS.
In some specific embodiments, the collection assembly includes an air tube 3 and an air pressure sensor 4 disposed in the air tube 3, a sealed cavity is formed in the air tube 3, and the air pressure sensor 4 is connected with the control device 7 and is used for sending detected air pressure information to the control device 7. When the bottom of the battery pack is impacted, the air pipe 3 is extruded to cause internal pressure change, and when the pressure change reaches a set threshold value, the air pressure sensor 4 outputs an alarm signal to the control device 7 to remind the passenger cabin. Wherein the air pipe 3 can be a hose or a hose.
Specifically, when the bottom of the battery pack is impacted, the bottom guard plate 2 is extruded firstly, the extrusion force is transmitted to the alarm device, the soft rubber tube is extruded and deformed, the internal pressure changes, the internal pressure is converted into an electric signal through the pressure sensor, when the soft rubber tube is deformed to a certain extent, the electric signal is input in the BMS, and the BMS processes and outputs an alarm system to the vehicle end when the safety threshold value is set for the corresponding battery pack.
In some embodiments, the number of the air pressure sensors 4 is two, and the air pressure sensors are respectively disposed at two ends of the air pipe 3. The air pressure sensor 4 is respectively connected at the both ends of trachea 3, and air pressure sensor 4 is connected with BMS through low pressure pencil, and when pressure variation reached the settlement threshold value, air pressure sensor 4 was given BMS with alarm signal output, reminds passenger cabin.
In some specific embodiments, the air pipe 3 is serpentine and is arranged on the bottom guard plate 2, namely, the air pipe 3 is folded back in an S shape, so that collision of different areas can be detected conveniently, when the bottom of the battery pack is impacted, the bottom guard plate 2 is extruded first, extrusion force is transmitted to the air pipe 3, the air pipe 3 in the corresponding area is extruded and deformed, internal pressure changes, the internal pressure changes and is converted into telecommunication through the pressure sensor, when the air pipe 3 deforms to a certain extent, the electric signal is input in the BMS, and the BMS processes and outputs an alarm system to the vehicle end.
In some embodiments, the collection assembly includes a support plate 5, the support plate 5 being in abutment with the backplate 2, the air tube 3 being disposed in the support plate 5 for ease of installation and deployment of the air tube 3.
In some specific embodiments, the side of the support plate 5 facing the battery unit 6 is provided with a groove 51, the groove 51 extends in a serpentine shape, and the air tube 3 is arranged in the groove 51, so that the installation and arrangement of the air tube 3 are facilitated.
In some embodiments, the support plate 5 is made of a foam material, so that the bottom guard plate 2 can be pressed to transmit the pressing force to the air tube 3.
In some embodiments, the battery pack further includes a liquid cooling plate disposed in the accommodating chamber 11, and the alarm device is disposed between the liquid cooling plate and the bottom guard plate 2. When the bottom of the battery pack is impacted, the acquisition device can detect collision information and send the collision information to the control device 7 to remind the passenger cabin.
In some embodiments, a plurality of battery cells 6 are disposed in the accommodating chamber 11, and the plurality of battery cells 6 are located above the air tube 3. An acquisition component is arranged between the bottom of the battery unit 6 and the bottom guard plate 2, and when the bottom of the battery pack is impacted, the acquisition device can detect collision information and send the collision information to the control device 7 to remind the passenger cabin.
The battery cells 6 may be secondary batteries that can be repeatedly charged and discharged, and the frame structure includes end plates, side plates, top plates, and bottom plates connected to each other, and the plurality of battery cells 6 are disposed in an inner cavity of the frame structure and stacked on each other in the inner cavity, and the stacking direction may be a length direction, a width direction, or a height direction.
The battery cell 6 includes an electrode assembly, a top cap assembly, and a case, wherein the case may have a hexahedral shape or other shapes, and a receiving chamber 11 for receiving the electrode assembly and an electrolyte is formed inside the case, one end of the case is opened such that the electrode assembly may be placed in the receiving chamber 11 of the case through the opening, and a plurality of electrode assemblies may be disposed in the receiving chamber 11, the plurality of electrode assemblies being stacked one on another. The housing may comprise a metallic material, such as aluminum or an aluminum alloy, and may also comprise an insulating material, such as plastic.
The vehicle provided by the embodiment of the disclosure comprises the battery pack provided by the embodiment of the disclosure. Since the vehicle provided by the embodiments of the present disclosure has the same advantages as the battery pack provided by the embodiments of the present disclosure, the description thereof will not be repeated here.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (9)
1. A battery pack, comprising: a box frame and a bottom guard plate;
the bottom of the box body frame is provided with an opening, and the bottom guard plate is connected with the box body frame to form a containing cavity for containing the battery unit;
an alarm device is arranged in the accommodating cavity;
the alarm device comprises an acquisition component and a control device which are connected in sequence; the acquisition component is abutted with the bottom guard plate and used for detecting collision information received by the bottom guard plate and sending detection information to the control device;
the acquisition assembly comprises an air pipe and an air pressure sensor arranged in the air pipe, a sealed cavity is formed in the air pipe, and the air pressure sensor is connected with the control device and is used for sending detected air pressure information to the control device;
the air pipe is a hose so that the air pipe can be deformed after being extruded.
2. The battery pack according to claim 1, wherein the number of the air pressure sensors is two, and the air pressure sensors are respectively disposed at both ends of the air pipe.
3. The battery pack of claim 2, wherein the air tube is disposed in the bottom guard plate in a serpentine shape.
4. The battery pack of claim 1, wherein the collection assembly comprises a support plate that abuts the bottom guard plate, the air tube being disposed in the support plate.
5. The battery pack according to claim 4, wherein the support plate is provided with a groove on a side facing the battery cell, the groove extends in a serpentine shape, and the air pipe is provided in the groove.
6. The battery pack of claim 4, wherein the support plate is made of a foam material.
7. The battery pack of claim 1, further comprising a liquid cooling plate disposed in the receiving chamber, the alarm device disposed between the liquid cooling plate and the bottom guard plate.
8. The battery pack of claim 1, wherein a plurality of battery cells are disposed in the receiving chamber, each of the plurality of battery cells being located above the air tube.
9. A vehicle comprising the battery pack according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318238.3U CN220138402U (en) | 2023-02-22 | 2023-02-22 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318238.3U CN220138402U (en) | 2023-02-22 | 2023-02-22 | Battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138402U true CN220138402U (en) | 2023-12-05 |
Family
ID=88960302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320318238.3U Active CN220138402U (en) | 2023-02-22 | 2023-02-22 | Battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138402U (en) |
-
2023
- 2023-02-22 CN CN202320318238.3U patent/CN220138402U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |