CN210101300U - Power battery package and vehicle - Google Patents
Power battery package and vehicle Download PDFInfo
- Publication number
- CN210101300U CN210101300U CN201920652849.5U CN201920652849U CN210101300U CN 210101300 U CN210101300 U CN 210101300U CN 201920652849 U CN201920652849 U CN 201920652849U CN 210101300 U CN210101300 U CN 210101300U
- Authority
- CN
- China
- Prior art keywords
- mounting beam
- power battery
- vehicle
- fixedly connected
- battery pack
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a power battery pack, which comprises a box body, a box cover and a plurality of battery modules; the battery module is accommodated in the box body; the box cover covers the box body and is fixedly connected with the box body; the box body is provided with a frame for preventing side collision; the outer edge of the frame is provided with a first mounting beam, a second mounting beam, a third mounting beam and a fourth mounting beam which are used for being connected with a vehicle body, and the first mounting beam and the third mounting beam are arranged oppositely; the first mounting beam is fixedly connected with a front suspension of the vehicle, the third mounting beam is fixedly connected with a rear suspension of the vehicle, and the second mounting beam and the fourth mounting beam are fixedly connected with a left doorsill and a right doorsill on two sides of the vehicle respectively. The utility model also discloses a vehicle that contains above-mentioned power battery package. Compared with the prior art, the utility model, power battery package is high with the reliability of being connected of automobile body, has improved the bulk rigidity and the security performance of power battery package to the NVH performance and the EMC performance of vehicle have been optimized.
Description
Technical Field
The utility model relates to an electric automobile technical field especially relates to a power battery package and have vehicle of this power battery package.
Background
With the shortage of global petroleum resources, the requirement of environmental protection and the enhancement of consciousness of human beings on environmental protection, new energy automobiles have obvious advantages in relieving energy crisis and promoting harmonious development of human beings and the environment, and become an important trend of modern vehicle development. In recent years, the country has great support for new energy industry, the new energy industry in China develops rapidly, and new energy vehicles progress rapidly. At present, in the new energy automobile industry, pure electric vehicles are greatly developed, and a power battery pack serving as the only power source of the pure electric vehicles is a key technology for research and development of the pure electric vehicles.
Most of the current pure electric vehicles are connected and fixed with a power battery pack through a longitudinal beam independently designed on a vehicle body, a safe collision distance is designed between the longitudinal beam and a threshold, the center of the power battery pack is not connected and fixed with a vehicle body seat beam, and the front suspension and the rear suspension are not connected with the power battery pack in an assembling and connecting mode. The power battery pack is poor in fixing effect, not firm enough, poor in overall connection rigidity and potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power battery package for overcome among the prior art power battery package and automobile body coupling insecure, whole car torsional rigidity is low, the relatively poor technical problem of security performance.
The utility model discloses a realize through following technical scheme:
a power battery pack comprises a box body, a box cover and a plurality of battery modules; the battery module is accommodated in the box body; the box cover covers the box body and is fixedly connected with the box body; the box body is provided with a frame for preventing side collision; the outer edge of the frame is provided with a first mounting beam, a second mounting beam, a third mounting beam and a fourth mounting beam which are used for being connected with a vehicle body, and the first mounting beam and the third mounting beam are arranged oppositely; the first mounting beam is fixedly connected with a front suspension of the vehicle, the third mounting beam is fixedly connected with a rear suspension of the vehicle, and the second mounting beam and the fourth mounting beam are respectively fixedly connected with a left doorsill and a right doorsill on two sides of the vehicle.
Further, bolt holes are formed in the first mounting beam, the second mounting beam, the third mounting beam and the fourth mounting beam, and bolts penetrate through the bolt holes to connect the first mounting beam, the second mounting beam, the third mounting beam and the fourth mounting beam to the vehicle body.
Further, the box body also comprises an internal cross beam, a tray and a bottom plate; the inner cross beam is fixedly connected with the tray, the frame is arranged around the tray and fixedly connected with the tray, and the bottom plate is fixedly connected with the frame.
Further, the frame is fixedly connected with the tray through structural adhesive.
Furthermore, the box cover is provided with a through hole used for being connected with a vehicle seat beam, and a fastener penetrates through the through hole to fixedly connect the box cover with the vehicle front and rear seat beams respectively.
Further, the fastener is a bolt.
Further, the battery module is fixedly connected to the inner cross beam through bolts; the battery modules are respectively connected by a high-voltage wire harness and a low-voltage wire harness, and the high-voltage wire harness and the low-voltage wire harness are arranged in parallel at intervals.
Furthermore, a pair of high-voltage connectors are arranged on the box body and respectively comprise a positive end and a negative end, and the positive end and the negative end are oppositely arranged at the front end and the rear end of the box body and are fixedly connected to the frame.
Furthermore, the box cover, the inner cross beam and the tray are all sheet metal parts; the frame is made of aluminum profiles or cast aluminum; the bottom plate is made of aluminum.
Correspondingly, the utility model discloses still provide a vehicle, include as above power battery package.
Implement the utility model discloses, following beneficial effect has:
(1) the power battery pack of the utility model is fixedly connected with the left and right doorsills, the front and rear suspensions and the seat cross beam of the vehicle by designing the mounting beam, so that the power battery pack is integrally connected with the vehicle body, the reliability of the connection between the power battery pack and the vehicle body is high, the NVH performance of the vehicle is optimized, and the overall structural rigidity and the safety performance are improved;
(2) the power battery pack of the utility model has the advantages that the high-voltage wire harness and the low-voltage wire harness which are connected with each battery module are arranged in the battery pack at intervals in parallel, so that the interference of the high-voltage wire harness to the low-voltage wire harness can be effectively reduced, and the EMC performance of the power battery pack is improved;
(3) the utility model discloses a power battery wraps, designs a pair of high-pressure connector around power battery wraps, can cancel the high-pressure pencil length of connecting around the outside of whole car effectively, simplifies the installation of high-pressure pencil, reduces the side and bumps the safe risk that whole car pencil short circuit caused down.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded view of the structure of a power battery pack of the present invention;
fig. 2 is a schematic diagram of the distribution of high and low voltage wire harnesses inside the power battery pack of the present invention;
wherein the reference numerals in the figures correspond to: 1-battery module, 3-box cover, 4-fastener, 5-high-voltage connector, 11-high-voltage wiring harness, 12-low-voltage wiring harness, 21-internal beam, 22-tray, 23-frame, 24-bottom plate, 25-first mounting beam, 26-second mounting beam and 27-third mounting beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," "third," "fourth," and the like in the description and in the claims, and in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
In addition, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" in the present application are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, unless otherwise specified, the terms of orientation used in the present invention, such as "up, down, left, right, front, and rear" are used with respect to the state when the vehicle is normally running.
Examples
In this embodiment, as shown in fig. 1-2, a power battery pack is provided, which includes a case body, a case cover 3, and a plurality of battery modules 1; the battery module 1 is accommodated in the box body; the box cover 3 covers the box body and is fixedly connected with the box body; the box body is provided with a frame 23 for preventing side collision; the outer edge of the frame 23 is provided with a first mounting beam 25, a second mounting beam 26, a third mounting beam 27 and a fourth mounting beam which are used for connecting with a vehicle body, and the first mounting beam 25 and the third mounting beam 27 are oppositely arranged; the first mounting beam 25 is fixedly connected with a front suspension of the vehicle, the third mounting beam 27 is fixedly connected with a rear suspension of the vehicle, and the second mounting beam 26 and the fourth mounting beam are respectively fixedly connected with a left doorsill and a right doorsill at two sides of the vehicle.
In this embodiment, the first, second, third and fourth mounting beams 25, 26, 27 and fourth mounting beams are provided with bolt holes, and bolts are passed through the bolt holes to connect the first, second, third and fourth mounting beams 25, 26, 27 and fourth mounting beams to the vehicle body.
In this embodiment, the box body bears the weight of the whole power battery pack, and further comprises an internal cross beam 21, a tray 22 and a bottom plate 24; the internal beam 21 is fixedly connected to the tray 22 in a welding mode, the frame 23 is arranged around the tray 22 and fixedly connected with the tray 22 through structural adhesive, and the bottom plate 24 is fixedly connected to the frame 23 through bolts or welding modes. The frame 23 and the tray 22 are connected by structural adhesive, so that the weight of the power battery pack is reduced, and the light-weight design of a vehicle is facilitated.
In this embodiment, the case cover 3 is fixed to the frame 23 by bolts.
Alternatively, the cover 3 and the frame 23 are fixed by bonding.
In this embodiment, be equipped with on case lid 3 and be used for the through-hole of being connected with the vehicle seat crossbeam, fastener 4 passes the through-hole with case lid 3 respectively with vehicle front and back seat crossbeam fixed connection, improved the rigidity of seat crossbeam to and bump with the factor of safety under the front impact condition behind the vehicle. Through with power battery package respectively with threshold, front and back suspension and seat crossbeam fixed connection about the vehicle, power battery package is more firm with being connected of whole car, has improved the bulk strength and the rigidity of power battery package, has satisfied the collision safety requirement of power battery package to whole car to NVH (Noise, Vibration, Harshness, Noise, Vibration and sound roughness) performance has been optimized.
In the present embodiment, the fastener 4 is a bolt. The manufacturing process of the bolt is cold heading and thread rolling molding. The mechanical property of bolt can be improved in the cold-heading processing, and the tensile strength of bolt can be obviously improved, so that the stability of connecting power battery pack and seat beam is enhanced.
In this embodiment, the battery module 1 includes a plurality of arranged single batteries, and the single batteries are connected in series-parallel to form the battery module. The battery module 1 is fixedly attached to the inner cross member 21 by bolts. The more the number of the battery modules 1 is, the more the electric quantity of the power battery pack is, and the higher the endurance mileage is.
In this embodiment, a plurality of battery module 1 is connected by high-voltage wire harness 11 and low-voltage wire harness 12 respectively, and battery module 1's large-scale No. battery cell bilateral symmetry distributes respectively in the battery package for high-voltage wire harness 11 and low-voltage wire harness 12 parallel interval arrange, distribute in the heterolateral of power battery package. The high-voltage wire harness 11 and the low-voltage wire harness 12 are arranged in parallel, the high-voltage wire harness and the low-voltage wire harness are separated, the high-voltage wire harness and the low-voltage wire harness are parallel and do not intersect, interference of the high-voltage wire harness 11 on the low-voltage wire harness 12 can be reduced, and the EMC (Electro Magnetic Compatibility) performance of the power battery pack can be improved.
In this embodiment, the case is provided with a pair of high voltage connectors 5 connected to the high voltage wiring harness 11, which are a positive terminal and a negative terminal, respectively, and the positive terminal and the negative terminal are oppositely disposed at the front and rear ends of the case and are fixedly connected to the frame 23. The high-voltage connectors 5 are designed at the front and rear parts of the power battery pack and connected with the driving system or the charging system through the high-voltage connectors 5, so that the installation of high-voltage wire harnesses outside the whole vehicle battery pack can be effectively simplified, the production cost is reduced, and meanwhile, the safety performance of the whole vehicle wire harnesses under the condition of side collision of a vehicle is improved.
In this embodiment, case lid 3 is used for closed power battery package box and is connected with the automobile body, and inside crossbeam 21 is used for fixed battery module 1, and tray 22 plays the supporting role, and case lid 3, inside crossbeam 21 and tray 22 are the sheet metal component, and case lid 3 and tray 22 adopt the sheet metal component punching press to make, and inside crossbeam 21 adopts the sheet metal component shaping of buckling.
Preferably, the lid 3, the inner cross member 21 and the tray 22 are made of steel. The steel is a metal material with a higher melting point, and when the power battery pack is ignited due to collision, short circuit, overcharge and the like, the high melting point material can resist the conditions of external or internal burning and the like of the power battery pack, so that the safety performance of the battery pack is improved; meanwhile, the sheet metal part has higher strength, so that the structural strength of the box body can be enhanced, and the overall collision safety performance of the power battery pack is improved.
In this embodiment, the light weight design is considered, the material of the frame 23 is an aluminum profile or cast aluminum, and the overall energy density of the power battery pack can be improved by using the material.
In this embodiment, the bottom plate 24 is made of an aluminum plate, so that the strength of the power battery pack can be well ensured while the weight of the battery pack is reduced, and the protective performance of the battery pack is improved.
Examples
In the embodiment, a vehicle is also provided, and the vehicle comprises the power battery pack in the embodiment.
The above embodiment of the utility model has following beneficial effect:
(1) the power battery pack of the utility model is fixedly connected with the left and right doorsills, the front and rear suspensions and the seat cross beam of the vehicle by designing the mounting beam, so that the power battery pack is integrally connected with the vehicle body, the reliability of the connection between the power battery pack and the vehicle body is high, the NVH performance of the vehicle is optimized, and the overall structural rigidity and the safety performance are improved;
(2) the power battery pack of the utility model has the advantages that the high-voltage wire harness and the low-voltage wire harness which are connected with each battery module are arranged in the battery pack at intervals in parallel, so that the interference of the high-voltage wire harness to the low-voltage wire harness can be effectively reduced, and the EMC performance of the power battery pack is improved;
(3) the utility model discloses a power battery wraps, designs a pair of high-pressure connector around power battery wraps, can cancel the high-pressure pencil length of connecting around the outside of whole car effectively, simplifies the installation of high-pressure pencil, reduces the side and bumps the safe risk that whole car pencil short circuit caused down.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
1. A power battery pack is characterized by comprising a box body, a box cover (3) and a plurality of battery modules (1);
the battery module (1) is accommodated in the box body; the box cover (3) covers the box body and is fixedly connected with the box body;
the box body is provided with a frame (23) for preventing side collision; a first mounting beam (25), a second mounting beam (26), a third mounting beam (27) and a fourth mounting beam which are used for being connected with a vehicle body are arranged on the outer edge of the frame (23), and the first mounting beam (25) and the third mounting beam (27) are arranged oppositely; the first mounting beam (25) is fixedly connected with a front suspension of the vehicle, the third mounting beam (27) is fixedly connected with a rear suspension of the vehicle, and the second mounting beam (26) and the fourth mounting beam are respectively fixedly connected with a left doorsill and a right doorsill on two sides of the vehicle.
2. The power battery pack of claim 1, wherein the first mounting beam (25), the second mounting beam (26), the third mounting beam (27) and the fourth mounting beam are provided with bolt holes through which bolts are passed to connect the first mounting beam (25), the second mounting beam (26), the third mounting beam (27) and the fourth mounting beam to a vehicle body.
3. The power battery pack of claim 1, wherein the case further comprises an internal cross member (21), a tray (22), and a bottom plate (24); the inner cross beam (21) is fixedly connected with the tray (22), the frame (23) is arranged around the tray (22) and fixedly connected with the tray (22), and the bottom plate (24) is fixedly connected with the frame (23).
4. The power battery pack of claim 3, wherein the frame (23) is fixedly connected to the tray (22) by structural adhesive.
5. The power battery pack according to claim 1, wherein the cover (3) is provided with through holes for connecting with a cross beam of a vehicle seat, and fasteners (4) penetrate through the through holes to fixedly connect the cover (3) with the cross beam of the vehicle seat front and rear respectively.
6. The power battery pack of claim 5, wherein the fasteners (4) are bolts.
7. The power battery pack according to claim 3, wherein the battery module (1) is fixedly connected to the inner cross member (21) by bolts; the battery modules (1) are respectively connected by a high-voltage wire harness (11) and a low-voltage wire harness (12), and the high-voltage wire harness (11) and the low-voltage wire harness (12) are arranged in parallel at intervals.
8. The power battery pack according to claim 7, wherein the box body is provided with a pair of high-voltage connectors (5) which are respectively a positive end and a negative end, and the positive end and the negative end are oppositely arranged at the front end and the rear end of the box body and are fixedly connected to the frame (23).
9. The power battery pack according to claim 3, wherein the case cover (3), the inner cross member (21) and the tray (22) are all sheet metal parts; the frame (23) is made of aluminum profiles or cast aluminum; the bottom plate (24) is made of aluminum.
10. A vehicle, characterized by comprising a power battery pack according to any one of claims 1-9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019204958446 | 2019-04-12 | ||
| CN201920495844 | 2019-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210101300U true CN210101300U (en) | 2020-02-21 |
Family
ID=69539993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920652849.5U Active CN210101300U (en) | 2019-04-12 | 2019-05-08 | Power battery package and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210101300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113713A (en) * | 2021-04-08 | 2021-07-13 | 中国第一汽车股份有限公司 | Power battery assembly and vehicle |
-
2019
- 2019-05-08 CN CN201920652849.5U patent/CN210101300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113713A (en) * | 2021-04-08 | 2021-07-13 | 中国第一汽车股份有限公司 | Power battery assembly and vehicle |
| CN113113713B (en) * | 2021-04-08 | 2022-07-08 | 中国第一汽车股份有限公司 | Power battery assembly and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108749548B (en) | New energy automobile battery package assembly and new energy automobile | |
| US11661114B2 (en) | Vehicle floor structure | |
| US20110240386A1 (en) | Electric vehicle with structurally integrated components | |
| CN210101300U (en) | Power battery package and vehicle | |
| CN205523634U (en) | Modular electric motor car battery frame frame | |
| CN109515152B (en) | Power battery compartment of pure electric vehicle | |
| CN219544890U (en) | Frame of electric light truck | |
| CN109728219B (en) | Battery pack for vehicle | |
| CN213948161U (en) | Vehicle-mounted battery case structure | |
| CN202042933U (en) | Battery module for electric automobile | |
| CN219600902U (en) | Chassis and vehicle | |
| CN219226443U (en) | Battery box, battery and vehicle | |
| CN217426942U (en) | Battery pack and electric equipment | |
| CN205498591U (en) | Pure electric vehicles's driving system arrangement structure | |
| CN220548928U (en) | Vehicle body integrating battery and electric vehicle with vehicle body | |
| CN210284378U (en) | Bearing plate for motor vehicle and motor vehicle | |
| CN115207533B (en) | Equipotential carbon fiber composite material battery box and car | |
| CN214001305U (en) | Mounting structure of nickel-metal hydride battery of hydrogen energy automobile | |
| CN212182445U (en) | Battery module output pole connecting device | |
| CN204230357U (en) | A kind of lightweight low-speed electronic vehicle lithium ion battery systems | |
| CN216903561U (en) | Automatic floating butt joint device for waterway circuit of electric commercial vehicle | |
| CN220106739U (en) | New forms of energy power battery box | |
| CN215835628U (en) | Casing, front drive power assembly, back drive power assembly and vehicle | |
| CN217496288U (en) | Automobile front floor structure integrated with battery pack | |
| CN218519526U (en) | Power battery assembly and rear floor assembly connecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |