CN211858750U - Battery box structure for new energy automobile - Google Patents
Battery box structure for new energy automobile Download PDFInfo
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- CN211858750U CN211858750U CN202020850936.4U CN202020850936U CN211858750U CN 211858750 U CN211858750 U CN 211858750U CN 202020850936 U CN202020850936 U CN 202020850936U CN 211858750 U CN211858750 U CN 211858750U
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- air inlet
- protection box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model belongs to the technical field of new energy automobile, specifically disclose a battery box structure for new energy automobile, including the battery pack case, the battery pack case overcoat is equipped with the battery protection case with battery pack case clearance fit, and battery protection case both sides are equipped with anticollision institution, and the clearance between battery protection case and the battery pack case is airtight cavity; the battery protection box comprises a battery protection box body, and is characterized in that an air inlet mechanism is arranged on the bottom surface of one side of the head end of the battery protection box body, the air inlet mechanism comprises an air inlet bulge arranged on the bottom surface of the battery protection box body, an air inlet is arranged on the side surface of one side of the head end of the air inlet bulge, an air inlet pipeline communicated with the battery protection box is arranged in the air inlet bulge; an air outlet mechanism is arranged on the bottom surface of one side of the tail end of the battery protection box; and a ventilation mechanism communicated with the air inlet mechanism and the air outlet mechanism is arranged in the battery pack box.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile, a new energy automobile's battery structure is related to, concretely relates to battery box structure for new energy automobile.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile comprises a pure electric automobile, an extended range electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like. The battery box with a larger volume is required to be mounted on the pure electric vehicle and the extended range type electric vehicle, and is used for mounting the battery pack to provide electric power for the new energy vehicle; the temperature is an important factor influencing the normal use of the new energy automobile battery, particularly in northern areas of China, the normal use of the new energy automobile battery is influenced by over-low temperature in winter and over-high temperature in summer, the activity of each active substance of the new energy automobile battery is reduced under the condition of low temperature, the problems of poor charging acceptance, insufficient charging, shortened endurance time and the like mainly exist, and the situations of anchoring, flameout and the like of the automobile are easily caused in serious cases; the battery runs in high-temperature seasons, and the temperature of the battery box is easy to increase in the long-time running process, and spontaneous combustion and other conditions are easy to occur in severe cases. Moreover, the battery box of the existing new energy automobile is generally fixed on an automobile chassis, when the new energy automobile is suddenly stopped or slightly collided, the battery pack in the battery box is easily impacted, and particularly when the left side and the right side of the new energy automobile are impacted, the battery box is more easily collided, so that the battery box is damaged or deformed, and in case of serious conditions, a fire disaster can be caused, and tragedies such as casualties and the like can be caused.
SUMMERY OF THE UTILITY MODEL
In order to solve a series of problems that new energy automobile battery box causes easily, provide one kind can ventilate automatically, keep warm and can reduce the battery box structure for new energy automobile that side collision influences the battery box structure.
Based on the above-mentioned purpose, the utility model discloses a following technical scheme realizes:
a battery box structure for a new energy automobile comprises a battery pack box, wherein a battery protection box in clearance fit with the battery pack box is sleeved outside the battery pack box, anti-collision mechanisms are arranged on two sides of the battery protection box, and a clearance between the battery protection box and the battery pack box is a closed cavity; the battery protection box comprises a battery protection box body, and is characterized in that an air inlet mechanism is arranged on the bottom surface of one side of the head end of the battery protection box body, the air inlet mechanism comprises an air inlet bulge arranged on the bottom surface of the battery protection box body, an air inlet is arranged on the side surface of one side of the head end of the air inlet bulge, an air inlet pipeline communicated with the battery protection box is arranged in the air inlet bulge; an air outlet mechanism is arranged on the bottom surface of one side of the tail end of the battery protection box; a ventilation mechanism communicated with the air inlet mechanism and the air outlet mechanism is arranged in the battery pack box; and a plurality of temperature sensors are arranged in the battery pack box, and the temperature sensors are electrically connected with a vehicle-mounted control system of the new energy automobile.
Preferably, the air outlet mechanism comprises an air outlet pipeline arranged in the closed cavity, an air outlet valve is arranged on the air outlet pipeline, the air outlet pipeline is communicated with an air outlet arranged on the bottom surface of the tail end of the battery protection box, and the air outlet valve is electrically connected with a vehicle-mounted control system of the new energy automobile.
Preferably, the ventilation mechanism comprises a plurality of mutually communicated battery partition groups arranged in the battery box, each battery partition group comprises a pair of battery partitions, and the battery partitions are in clearance fit; the air guide fan matched with the battery partition group is arranged at the inner head end of the battery pack box, an air guide opening communicated with the air inlet pipeline is formed in one side, close to the battery pack box, of the air guide fan, and the air guide opening is matched with the air guide fan; the battery pack box is provided with an air dispersing opening communicated with the air outlet pipeline, and the air dispersing opening and the air guide opening are axially symmetrical relative to the battery pack box.
Preferably, a micro vacuum pump is arranged on the battery protection box, an exhaust pipe on the micro vacuum pump is communicated with the closed cavity, and an exhaust pipe of the micro vacuum pump is hermetically connected with an exhaust hole arranged on the side surface of the battery protection box; and a vacuum valve is arranged on an exhaust pipe of the micro vacuum pump and is electrically connected with a vehicle-mounted control system of the new energy automobile.
Preferably, the anti-collision mechanism comprises arc-shaped anti-collision protrusions arranged on two opposite sides of the battery protection box, and guide arcs parallel to the bottom surface of the battery protection box are arranged on the side surfaces of the arc-shaped anti-collision protrusions.
Preferably, a compression-resistant spring set is arranged in the closed cavity and comprises a plurality of compression-resistant springs connected end to end, and the outer ring of any compression-resistant spring is connected with the battery pack box and the battery protection box.
Preferably, an air inlet filter screen is arranged on the air inlet; an air outlet filter screen is arranged on the air outlet.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the utility model realizes the protection of the battery box by arranging the battery protection box outside the battery box; the anti-collision mechanisms on the two sides of the battery protection box are positioned on the left side and the right side of the new energy automobile, so that when the left side and the right side of the new energy automobile are impacted, the safety and the stability of the battery pack can be effectively protected; the sealed cavity between the battery protection box and the battery pack box can not only realize the ventilation effect on the battery pack box, but also realize the heat preservation effect on the battery pack box in a vacuumizing mode, so that the battery pack of the new energy automobile can be normally used in summer or winter; the air inlet mechanism, the air outlet mechanism and the ventilation mechanism are matched with each other, so that the effect of ventilating and cooling the battery pack box when the new energy automobile runs is achieved; the air inlet on the air inlet bulge is convenient for receiving flowing air brought by the new energy automobile during running, and the air inlet pipeline can guide the flowing air into the closed cavity; the air inlet valve can control whether to guide the flowing air brought by driving into the closed cavity.
(2) The air outlet pipeline is matched with the air outlet, so that air in the running process can continuously enter and flow out of the battery pack box; the air outlet valve plays a role in controlling whether air flows out of the sealed cavity or not.
(3) The battery partition group plays a role in ventilation, the temperature of the battery pack can be effectively reduced, the adjacent battery packs can be isolated by the battery partition group, and large-area damage to the battery packs during impact is reduced; the air guide fan can guide air into each battery partition group and can slow down the speed of the air flowing fast, so that the flowing air flows into the intervals among the battery partition groups at a reduced speed; the air guide opening guides the air to the air guide fan; the air outlet channel is arranged on the outer side of the battery protection box, and the air outlet channel is communicated with the air outlet channel.
(4) When the battery pack needs to be insulated in winter, the micro vacuum pump can extract air in the sealed cavity, so that the heat loss in the battery pack box is reduced; the vacuum valve can prevent air from entering the closed cavity.
(5) The arc type anticollision arch of both sides corresponds new energy automobile's left and right sides, can effectively reduce the influence of side striking to the battery box structure, and the design of direction arc can be with the striking of side to the guide arc both ends guide, reduces the influence of striking to new energy automobile inside.
(6) The design of the compression-resistant spring group further protects the safety of the battery pack in the battery pack box, prevents serious damage to the battery pack caused by serious impact, and prevents serious accidents such as extrusion damage or explosion combustion and the like of the battery pack; the outer ring of the compression-resistant spring is connected with the battery pack box and the battery protection box, so that each support ring of the compression-resistant spring can offset the impact force, and the battery pack box can be effectively prevented from generating local severe deformation. The design of air inlet filter screen, air-out filter screen can effectively block when new energy automobile traveles particulate matters such as stone get into air intake, air outlet on the road surface.
To sum up, the utility model realizes the function of protecting the internal battery box by arranging the double-layer battery box mechanism, realizes the protection of the side surface of the battery protection box by arranging the anti-collision mechanism, and prevents the side surface from impacting the battery protection box and the battery box to cause the damage of the battery protection box and the battery box; the air inlet bulge is provided with the air inlet which can cool the interior of the battery pack box through flowing air, and when the temperature does not need to be cooled, the air inlet valve and the air outlet valve can be closed to vacuumize the closed cavity, so that the heat insulation effect of the battery pack box is realized, and the purpose of protecting the battery pack box at different temperatures can be achieved; this battery box structure not only can effectual reduction striking to the influence of group battery, can also in time cool down or keep warm to the battery incasement and handle, realizes the purpose to the timely heat dissipation of battery box or keep the temperature, furthest's assurance group battery's normal operating.
Drawings
Fig. 1 is an internal schematic view of the present invention in example 1;
fig. 2 is a schematic bottom view of the present invention in embodiment 1 (the arc-shaped anti-collision protrusions, the air inlet filter and the air outlet filter are not shown);
fig. 3 is a schematic cross-sectional view of an arc-shaped bump in example 1.
In the figure, the air conditioner comprises a battery protection box 1, a battery pack box 2, a battery pack box 3, an arc-shaped anti-collision bulge 4, a guide arc 5, an air dispersing opening 6, an air outlet pipeline 7, an air guide fan 8, an air inlet pipeline 9, a compression-resistant spring 10, an air guide opening 11, a battery partition 12, a micro vacuum pump 13, an air inlet 14, an air inlet bulge 15 and an air outlet.
Detailed Description
The present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the invention.
Example 1:
a battery box structure for a new energy automobile is shown in figures 1-3, wherein figure 2 mainly shows an air inlet bulge 14 and an air inlet 13 on the bottom surface of a battery protection box 1, and comprises a battery pack box 2, the battery protection box 1 in clearance fit with the battery pack box 2 is sleeved outside the battery pack box 2, anti-collision mechanisms are arranged on two sides of the battery protection box 1, and a clearance between the battery protection box 1 and the battery pack box 2 is a closed cavity; an air inlet mechanism is arranged on the bottom surface of one side of the head end of the battery protection box 1, the air inlet mechanism comprises an air inlet bulge 14 arranged on the bottom surface of the battery protection box 1, an air inlet 13 is arranged on the side surface of one side of the head end of the air inlet bulge 14, an air inlet pipeline 8 communicated with the battery protection box 1 is arranged in the air inlet bulge 14, and an air inlet valve is arranged on the air inlet pipeline 8; an air outlet mechanism is arranged on the bottom surface of one side of the tail end of the battery protection box 1; a ventilation mechanism communicated with the air inlet mechanism and the air outlet mechanism is arranged in the battery pack box 2; a plurality of temperature sensors are arranged in the battery pack box 2 and are electrically connected with a vehicle-mounted control system of the new energy automobile, a protection box maintenance port is formed in the battery protection box 1, a protection box sealing cover is arranged on the protection box maintenance port, a battery maintenance port is formed in the battery pack box 2, a battery sealing cover is arranged on the battery maintenance port, and the battery protection box 1 and the battery pack box 2 are sealed after installation; the battery protection box 1 is provided with a fixing piece matched with the new energy automobile chassis, one end of the fixing piece is fixed on the battery protection box 1 through a fixing screw, and then the other end of the fixing piece is fixed on the new energy automobile chassis through the fixing screw, so that the battery box structure is conveniently fixed on the new energy automobile chassis.
The air outlet mechanism comprises an air outlet pipeline 6 arranged in the closed cavity, an air outlet valve is arranged on the air outlet pipeline 6, the air outlet pipeline 6 is communicated with an air outlet 15 arranged on the bottom surface of the tail end of the battery protection box 1, and the air outlet valve is electrically connected with a vehicle-mounted control system of the new energy automobile. The ventilation mechanism comprises a plurality of mutually communicated battery partition groups arranged in the battery box 2, each battery partition group comprises a pair of battery partitions 11, and the battery partitions 11 are in clearance fit; a wind guide fan 7 matched with the battery partition group is arranged at the inner head end of the battery pack box 2, a wind guide opening 10 communicated with the air inlet pipeline 8 is formed in one side, close to the battery pack box 2, of the wind guide fan 7, the wind guide opening 10 is hermetically connected with the air inlet pipeline, air leakage of the battery pack box 2 is avoided, and the wind guide opening 10 is matched with the wind guide fan 7; the battery pack box 2 is provided with an air dispersing opening 5 communicated with the air outlet pipeline 6, the air dispersing opening 5 is in sealing fit with the air outlet pipeline 6, air leakage of the battery pack box 2 is avoided, and the air dispersing opening 5 and the air guide opening 10 are axially symmetrical relative to the battery pack box 2.
A micro vacuum pump 12 is arranged on the battery protection box 1, an exhaust pipe on the micro vacuum pump 12 is communicated with the closed cavity, and an exhaust pipe of the micro vacuum pump 12 is hermetically connected with an exhaust hole arranged on the side surface of the battery protection box 1; and a vacuum valve is arranged on an exhaust pipe of the micro vacuum pump 12 and is electrically connected with a vehicle-mounted control system of the new energy automobile. The anti-collision mechanism comprises arc-shaped anti-collision protrusions 3 arranged on two opposite sides of the battery protection box 1, and guide arcs 4 parallel to the bottom surface of the battery protection box 1 are arranged on the side surfaces of the arc-shaped anti-collision protrusions 3. And a compression-resistant spring group is arranged in the closed cavity and comprises a plurality of compression-resistant springs 9 connected end to end, and the outer ring of any compression-resistant spring 9 is connected with the battery pack box 2 and the battery protection box 1. An air inlet filter screen is arranged on the air inlet 13; an air outlet filter screen is arranged on the air outlet 15.
When the new energy automobile is used, the new energy automobile is started, a plurality of temperature sensors are arranged in the battery pack box 2 and begin to collect temperature data in the battery pack box 2, after the new energy automobile runs for a period of time, the temperature sensors detect that the temperature in the battery pack box 2 exceeds a preset threshold range of a vehicle-mounted control system of the new energy automobile, the vehicle-mounted control system of the new energy automobile controls an air inlet valve and an air outlet valve to be opened, flowing air flows into an air inlet pipeline 8 through an air inlet 13 on the side surface of an air inlet bulge 14 and then flows to an air guide opening 10 communicated with the air inlet pipeline 8, the flowing air of the air guide opening 10 flows to a fan 7, the directly blown air reduces the speed in the rotation of the air guide fan 7 and then flows into gaps among a plurality of battery partitions 11 through an air guide plate, heat exchange is generated between the flowing air and the battery partitions 11 when the flowing air flows, the heat conduction is convenient to carry out, the temperature of the battery partition 11 is reduced after the heat exchange, the temperature of the flowing air is increased, the air continuously flows to the tail end of the battery pack box 2, then flows to the air outlet pipeline 6 through the air outlet 5, flows to the air outlet 15 through the air outlet valve and then is discharged out of the battery protection box 1, the new energy automobile continuously runs, and the effect of continuously radiating the battery pack box 2 by the flowing air is realized; when the new energy automobile stops or the value detected by the temperature sensor in the battery pack box is lower than the preset threshold range, the vehicle-mounted control system of the new energy automobile controls the air inlet valve and the air outlet valve to be closed, so that flowing air is isolated from the battery pack box 2; when the air inlet valve and the air outlet valve are both in a closed state, the temperature in the battery pack box 2 detected by the temperature sensor continuously decreases, and after the temperature is lower than the preset minimum threshold value of the vehicle-mounted control system of the new energy vehicle, the vehicle-mounted control system of the new energy vehicle controls the micro vacuum pump 12 to start, the micro vacuum pump 12 starts to vacuumize the closed cavity, the heat conduction from the battery pack box 2 to the battery protection box 1 is blocked, the battery pack box 2 is kept at a proper temperature, and the normal and safe operation of the battery pack is guaranteed.
When two sides of a compartment of the new energy automobile are impacted by objects, the objects firstly contact with an automobile door and then collide with the arc-shaped anti-collision protrusions 3 on the side surfaces of the battery protection box 1 on the chassis of the new energy automobile, when the objects collide, the objects firstly contact with the guide arcs 4 on the arc-shaped anti-collision protrusions 3, and because the arc surfaces of the guide arcs 4 are structures with high centers and low sides, the colliding objects slide to one side along the guide arcs 4, the collision force of the objects starts to be rapidly reduced during sliding, and the effect of protecting the battery pack in the battery pack box 2 is achieved; then with the contact of battery guard box 1, the object contacts the back with battery guard box 1, produce the extrusion to battery guard box 1, resistance to compression spring group in the airtight cavity receives the collision effort, the lock ring on the resistance to compression spring 9 of every end to end contact of resistance to compression spring group receives the collision effort, because battery guard box 1 has a plurality of lock rings to share the collision effort in receiving the position of striking, make the collision effort that every lock ring received less, the effort that can most collisions produced, the safe and stable operation of the group battery in the further protection battery group case 2.
Example 2:
a battery box structure for a new energy automobile is different from that of embodiment 1 in that: the air inlet 13 is not provided with an air inlet filter screen; the air outlet 15 is not provided with an air outlet filter screen.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but rather as the following description is intended to cover all modifications, equivalents and improvements falling within the spirit and scope of the present invention.
Claims (7)
1. A battery box structure for a new energy automobile is characterized by comprising a battery pack box, wherein a battery protection box in clearance fit with the battery pack box is sleeved outside the battery pack box, anti-collision mechanisms are arranged on two sides of the battery protection box, and a clearance between the battery protection box and the battery pack box is a closed cavity; the battery protection box is characterized in that an air inlet mechanism is arranged on the bottom surface of one side of the head end of the battery protection box, the air inlet mechanism comprises an air inlet bulge arranged on the bottom surface of the battery protection box, an air inlet is arranged on the side surface of one side of the head end of the air inlet bulge, an air inlet pipeline communicated with the battery protection box is arranged in the air inlet bulge, and an air inlet valve is arranged on the air inlet; an air outlet mechanism is arranged on the bottom surface of one side of the tail end of the battery protection box; and a ventilation mechanism communicated with the air inlet mechanism and the air outlet mechanism is arranged in the battery pack box.
2. The battery box structure for the new energy automobile as claimed in claim 1, wherein the air outlet mechanism includes an air outlet duct disposed in the sealed cavity, the air outlet duct is provided with an air outlet valve, and the air outlet duct is communicated with an air outlet disposed on a bottom surface of the rear end of the battery protection box.
3. The battery box structure for the new energy automobile as defined in claim 2, wherein the ventilation mechanism comprises a plurality of battery partition groups which are arranged in the battery box and are communicated with each other, and each battery partition group comprises a pair of battery partitions which are in clearance fit with each other; the air guide fan matched with the battery partition group is arranged at the inner head end of the battery pack box, an air guide opening communicated with the air inlet pipeline is formed in one side, close to the battery pack box, of the air guide fan, and the air guide opening is matched with the air guide fan; the battery pack box is provided with an air dispersing opening communicated with the air outlet pipeline, and the air dispersing opening and the air guide opening are axially symmetrical relative to the battery pack box.
4. The battery box structure for the new energy automobile as defined in claim 3, wherein a micro vacuum pump is provided on the battery protection box, an exhaust pipe on the micro vacuum pump is communicated with the sealed cavity, and an exhaust pipe of the micro vacuum pump is hermetically connected with an exhaust hole provided on the side surface of the battery protection box; and a vacuum valve is arranged on an exhaust pipe of the micro vacuum pump.
5. The battery box structure for the new energy automobile as claimed in claim 1 or 4, wherein the anti-collision mechanism includes arc-shaped anti-collision protrusions provided on opposite sides of the battery protection box, and guide arcs provided on sides of the arc-shaped anti-collision protrusions are parallel to a bottom surface of the battery protection box.
6. The battery box structure for the new energy automobile as defined in claim 5, wherein a compression-resistant spring set is arranged in the closed cavity, the compression-resistant spring set comprises a plurality of compression-resistant springs connected end to end, and an outer ring of any compression-resistant spring is connected with the battery box and the battery protection box.
7. The battery box structure for the new energy automobile as claimed in claim 2, wherein an air intake screen is provided on the air intake; and an air outlet filter screen is arranged on the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850936.4U CN211858750U (en) | 2020-05-20 | 2020-05-20 | Battery box structure for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850936.4U CN211858750U (en) | 2020-05-20 | 2020-05-20 | Battery box structure for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211858750U true CN211858750U (en) | 2020-11-03 |
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ID=73235698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020850936.4U Expired - Fee Related CN211858750U (en) | 2020-05-20 | 2020-05-20 | Battery box structure for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211858750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115645786A (en) * | 2022-10-25 | 2023-01-31 | 河南省海天消防科学研究院有限责任公司 | New energy automobile battery box fire control unit of simple operation |
-
2020
- 2020-05-20 CN CN202020850936.4U patent/CN211858750U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115645786A (en) * | 2022-10-25 | 2023-01-31 | 河南省海天消防科学研究院有限责任公司 | New energy automobile battery box fire control unit of simple operation |
| CN115645786B (en) * | 2022-10-25 | 2023-08-15 | 河南省海天消防科学研究院有限责任公司 | Fire control device of new energy automobile battery box of simple operation |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |