CN111731394A - Electric automobile front deck installing support and electric automobile - Google Patents
Electric automobile front deck installing support and electric automobile Download PDFInfo
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- CN111731394A CN111731394A CN202010707445.9A CN202010707445A CN111731394A CN 111731394 A CN111731394 A CN 111731394A CN 202010707445 A CN202010707445 A CN 202010707445A CN 111731394 A CN111731394 A CN 111731394A
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- 230000003313 weakening effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 description 30
- 230000003014 reinforcing effect Effects 0.000 description 14
- 230000009545 invasion Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- 239000000446 fuel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
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- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an electric automobile front cabin mounting bracket and an electric automobile, and belongs to the technical field of electric automobiles.A first mounting area and a second mounting area are connected along a first direction, the first mounting area is used for supporting one, two or three of a fixed power distribution unit, a vehicle-mounted charger, a motor control unit and a battery, and the second mounting area is used for supporting the remaining parts of the fixed power distribution unit, the vehicle-mounted charger, the motor control unit and the battery; the vacuum power-assisted main cylinder is arranged above the joint of the first mounting area and the second mounting area along the second direction, the first direction is perpendicular to the second direction, the strength weakening structure is arranged at the joint of the first mounting area and the second mounting area, the maximum fracture stress borne by the joint along the second direction is lower than a preset fracture stress value, the maximum fracture stress borne by other positions of the first mounting area and the second mounting area along the second direction is higher than the preset fracture stress value, and the mounting bracket can effectively avoid the vacuum power-assisted main cylinder and is lower in cost.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to an electric automobile front cabin mounting bracket and an electric automobile.
Background
The rigid wall collision condition of 50km/h and the variable barrier collision condition of 64km/h of the car head-on collision are specified conditions of the evaluation regulation of the new car in China. In addition to conventional Power assembly devices, the front-wheel drive electric vehicle, especially the range-extending vehicle, integrates three-voltage electrical components such as PDU (Power Distribution Unit), OBC (On Board Charger), MCU (Motor Control Unit), and the like, and meets the collision requirement: the vacuum power-assisted main cylinder is prevented from being directly impacted by high-voltage electric elements, so that the invasion amount of a brake pedal of a passenger compartment in direct impact is overlarge, and the high-voltage electric elements are prevented from being impacted and leaking electricity.
Traditional electric automobile front deck installing support installs high-voltage apparatus component and battery in the front deck of car side by side, and the vacuum power assisted main pump is arranged in high-voltage apparatus component power distribution unit's rear, when high-voltage apparatus component received the impact force openly, power distribution unit will strike the vacuum helping hand master cylinder backward, the vacuum helping hand master cylinder will be backward impact force transmit to brake pedal, cause the brake pedal invasion volume too big, and then probably cause serious injury to driver's shank and foot, and the striking of power distribution unit and vacuum helping hand master cylinder still probably causes the power distribution unit electric leakage. The current solution is to make the arrangement of the high-voltage electrical components and batteries and the arrangement of the vacuum power-assisted main cylinder staggered along the left and right directions of the front cabin of the automobile or move the high-voltage electrical components into the trunk at the tail part of the automobile. However, because the electrical elements of the front cabin of the range-extending vehicle or the front-drive or four-drive electric vehicle are increased compared with the traditional fuel vehicle, and the design trend of short front overhang and long wheelbase of the vehicle is prevalent at present, the space of the front cabin is very limited, and the front cabin of the vehicle is difficult to completely avoid a main cylinder of a vacuum booster in the front-back direction of the front cabin of the vehicle; if the high-voltage electrical components are moved to the trunk at the tail part, the length of the high-voltage wiring harness is multiplied, and the cost of the automobile is increased by hundreds of yuan.
Therefore, there is a need for a lower-cost electric vehicle front cabin mounting bracket and an electric vehicle that can effectively avoid a vacuum power-assisted main cylinder, so as to solve the above technical problems in the prior art.
Disclosure of Invention
The invention aims to provide an electric automobile front cabin mounting bracket and an electric automobile, so that an automobile can effectively avoid a vacuum power-assisted main cylinder when the automobile collides under the condition of low cost, the problem that the brake pedal invasion amount is too large due to the fact that the vacuum power-assisted main cylinder directly collides with a passenger cabin brake pedal is solved, and the probability of electric leakage caused by collision triggering of high-voltage electrical equipment elements is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the electric automobile front cabin mounting bracket is used for supporting a power distribution unit, a vehicle-mounted charger, a motor control unit and a battery in an electric automobile, the electric automobile further comprises a vacuum power-assisted main cylinder, the electric automobile front cabin mounting bracket comprises a first mounting area and a second mounting area, the first mounting area and the second mounting area are connected along a first direction, the first mounting area is used for supporting and fixing one, two or three of the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery, and the second mounting area is used for supporting and fixing the rest of the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery;
the vacuum boosting main cylinder is arranged above the joint of the first installation area and the second installation area along the second direction, the first direction is perpendicular to the second direction, the joint of the first installation area and the second installation area is provided with a strength weakening structure, the maximum fracture stress borne by the joint along the second direction is lower than a preset fracture stress value, and the maximum fracture stress borne by other positions of the first installation area and the second installation area along the second direction is higher than the preset fracture stress value.
As an optimal technical scheme of electric automobile front deck installing support, intensity weakened structure is along the through-hole structure of third direction, the third direction perpendicular to first direction with the second direction.
As an optimal technical scheme of the electric automobile front cabin mounting bracket, the cross section of the through hole structure along the plane formed by the first direction and the second direction is circular, square or kidney-shaped.
As a preferred technical solution of the front cabin mounting bracket of the electric vehicle, the first mounting area is used for supporting and fixing the power distribution unit, the vehicle-mounted charger and the motor control unit; the second mounting area is used for supporting and fixing the battery.
As an optimal technical scheme of the front cabin mounting bracket of the electric automobile, the vehicle-mounted charger, the motor control unit and the power distribution unit are sequentially fixed on the first mounting area along the first direction.
As an electric automobile front deck installing support's preferred technical scheme, electric automobile front deck installing support includes the edge horizontal supporting beam subassembly that first direction extension set up and edge the second direction extends the vertical supporting beam subassembly that sets up, horizontal supporting beam subassembly with vertical supporting beam subassembly is connected.
As a preferred technical solution of the front cabin mounting bracket of the electric vehicle, the longitudinal support beam assembly includes a longitudinal fixing beam assembly and a longitudinal reinforcing beam assembly, the longitudinal fixing beam assembly is used for fixing the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery, and the longitudinal reinforcing beam assembly is used for improving the strength of the front cabin mounting bracket of the electric vehicle.
As a preferred technical scheme of an electric automobile front cabin installing support, the longitudinal reinforcing beam assembly comprises a first longitudinal reinforcing beam group and a second longitudinal reinforcing beam group, the first longitudinal reinforcing beam group is arranged in the first installing area, and the second longitudinal reinforcing beam group is arranged in the second installing area.
As an optimal technical scheme of the front cabin mounting bracket of the electric automobile, the front cabin mounting bracket of the electric automobile is made of EV materials.
In order to achieve the purpose, the invention further provides an electric automobile which comprises the electric automobile front cabin mounting bracket.
The invention provides an electric automobile front cabin mounting bracket and an electric automobile, the electric automobile front cabin mounting bracket comprises a first mounting area and a second mounting area, wherein one part of a power distribution unit, a vehicle-mounted charger, a motor control unit and a battery is mounted in the first mounting area, the other part of the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery is mounted in the second mounting area, a vacuum power-assisted main cylinder is positioned above the joint of the first mounting area and the second mounting area along the second direction, the joint of the first mounting area and the second mounting area is provided with a strength weakening structure, the strength weakening structure is arranged to ensure that the maximum fracture stress at the joint is lower than a preset fracture stress value, the maximum fracture stress at other positions of the first mounting area and the second mounting area is higher than the preset fracture stress value, therefore, when the impact force applied to the first mounting area and the second mounting area along the second direction reaches the preset fracture stress value, because the maximum fracture stress at the joint is lower than the preset fracture stress value, the joint is fractured at first compared with other positions of the first installation area and the second installation area, and the fractured first installation area and the fractured second installation area can move towards two sides along the first direction so as to drive the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery which are fixed in the first installation area and the second installation area to move towards two sides, so that the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery cannot move upwards along the second direction to impact the vacuum power cylinder, the vacuum power cylinder is effectively avoided, the probability of electric leakage caused by the fact that the high-voltage electrical appliance element is impacted and the brake pedal is impacted by the vacuum power cylinder is reduced, and the problem that the brake pedal is too large in invasion amount because the vacuum power cylinder is impacting the brake pedal of a; compared with the mode of moving the high-voltage electrical appliance element to the tail luggage box in the prior art, the cost is saved.
Drawings
FIG. 1 is a schematic structural diagram of an electric vehicle front cabin mounting bracket according to an embodiment of the present invention;
fig. 2 is a front view of an electric vehicle front cabin mounting bracket according to an embodiment of the invention.
Reference numerals:
100. a first mounting area; 200. a second mounting area;
1. a strength-weakening structure; 2. a first cross member; 3. a second cross member; 4. a third cross member; 5. a first stringer; 6. a second stringer; 7. a third stringer; 8. a fourth stringer; 9. a fifth longitudinal beam; 10. a sixth stringer; 11. and a seventh stringer.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment provides an electric automobile, and this electric automobile includes electric automobile front deck installing support, and electric automobile front deck is provided with power distribution unit, on-vehicle charger, motor control unit and battery, and electric automobile still includes vacuum helping hand master cylinder, and electric automobile front deck installing support is arranged in supporting power distribution unit, on-vehicle charger, motor control unit and the battery among the electric automobile.
As shown in fig. 1 and 2, the electric vehicle front cabin mounting bracket includes a first mounting area 100 and a second mounting area 200, the first mounting area 100 and the second mounting area 200 are connected in a first direction, the first mounting area 100 is used for supporting one, two or three of a fixed power distribution unit, an on-board charger, a motor control unit and a battery, and the second mounting area 200 is used for supporting the rest of the fixed power distribution unit, the on-board charger, the motor control unit and the battery; a vacuum power-assisted main cylinder is arranged above the joint of the first installation area 100 and the second installation area 200 along the second direction, the first direction is perpendicular to the second direction, the strength weakening structure 1 is arranged at the joint of the first installation area 100 and the second installation area 200, the maximum fracture stress borne by the joint along the second direction is lower than a preset fracture stress value, and the maximum fracture stress borne by other positions of the first installation area 100 and the second installation area 200 along the second direction is higher than the preset fracture stress value. The first direction refers to the x direction in fig. 1 and 2, and the second direction refers to the y direction in fig. 1 and 2.
The strength weakening structure 1 is arranged to enable the maximum fracture stress at the joint to be lower than a preset fracture stress value, and the maximum fracture stress at other positions of the first installation area 100 and the second installation area 200 to be higher than the preset fracture stress value, so that when the first installation area 100 and the second installation area 200 are impacted by the impact force along the second direction to reach the preset fracture stress value, the maximum fracture stress at the joint is lower than the preset fracture stress value and will be firstly fractured compared with other positions of the first installation area 100 and the second installation area 200, after fracture, the first installation area 100 and the second installation area 200 will move towards two sides along the first direction, and then the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery fixed in the first installation area 100 and the second installation area 200 are driven to move towards two sides, so that the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery will not move upwards along the second direction to impact the vacuum boosting cylinder, the vacuum power-assisted main cylinder is effectively avoided, the probability of electric leakage of high-voltage electrical components (namely a power distribution unit, a vehicle-mounted charger, a motor control unit and a battery in the embodiment) caused by collision is reduced, and the problem that the brake pedal invasion amount is too large due to the fact that the vacuum power-assisted main cylinder directly collides with the brake pedal of the passenger compartment is solved; compared with the mode of moving the high-voltage electrical appliance element to the tail luggage box in the prior art, the cost is saved.
It should be noted that the working principle between the vacuum boosting main cylinder and the brake pedal is as follows: when the pedal force of a driver acts on the brake pedal, the pedal force is transmitted to the vacuum power-assisted main cylinder through the pedal lever according to the lever ratio, and along with the increase of the brake pedal force, the vacuum power-assisted main cylinder amplifies and transmits the pedal force of the driver to the brake main cylinder of the electric automobile in proportion, so that the output pressure is provided for the hydraulic brake main cylinder of the electric automobile, and the requirement of the brake force required by a brake system of the electric automobile is met. The connection relation and the working principle between the vacuum power-assisted main cylinder and the brake pedal are mature technologies in the prior art, and detailed principle parts are not described herein again.
As shown in fig. 1 and 2, the strength weakening structure 1 is a through hole structure in the third direction, and the third direction is perpendicular to the first direction and the second direction, and it should be explained that if the strength weakening structure 1 is a through hole structure in the second direction, the gravity of the high-voltage electrical component is downward in the second direction according to the mechanical principle, and the through hole structure in the second direction causes poor fatigue durability of the electric vehicle front cabin mounting bracket, and it is difficult to satisfy NVH (noise, vibration, and harshness) rigidity. Preferably, in the embodiment, after the strength weakening structure 1 is arranged on the electric vehicle front cabin mounting bracket, the requirements of static rigidity and dynamic mode of a load capable of supporting 30kg are also required to be met. The third direction refers to the z direction in fig. 1.
Specifically, the cross section of the through hole structure along the first direction and the second direction forming plane is circular, square or kidney-shaped. The through hole structure with the circular section is easy to break and untimely in the collision process, so that high-voltage electrical appliance elements cannot avoid the vacuum power-assisted main cylinder in time; the through hole structure with the square cross section can cause stress concentration at the through hole structure and is easy to fatigue fracture; therefore, in this embodiment, the through-hole structure is preferably long waist-shaped along the cross-section of the first direction and the second direction component plane, the length direction is the first direction, and the height direction is the second direction, which is favorable for effective fracture when the electric vehicle front cabin mounting bracket is impacted along the second direction. Preferably, in the present embodiment, the long waist type section hole has a length in the first direction of 36mm and a height in the second direction of 25 mm.
In this embodiment, through design intensity reduction structure 1 setting position and size on electric automobile front deck installing support, make when electric automobile bumps, electric automobile front deck installing support can be timely fracture at the junction of first installing zone 100 and second installing zone 200, at cracked in-process, the motion trail of high-voltage electric appliance component in first installing zone 100 and second installing zone 200 has been changed, make it respectively along the both sides motion of first direction and then avoid the vacuum assistance master cylinder ingeniously accurately, thereby solve the pedal invasion amount too big and the high-pressure electric leakage electric safety problem that catches fire.
Preferably, according to the power distribution unit, the on-board charger, the motor control unit and the battery arrangement habit in the prior art electric vehicle, in the present embodiment, the first installation area 100 is used for supporting the fixed power distribution unit, the on-board charger and the motor control unit; the second mounting region 200 serves to support and fix the battery. Further, the on-vehicle charger, the motor control unit, and the power distribution unit are sequentially fixed to the first installation area 100 in the first direction.
As shown in fig. 1 and 2, the electric vehicle front cabin mounting bracket comprises a transverse supporting beam assembly extending along a first direction and a longitudinal supporting beam assembly extending along a second direction, wherein the transverse supporting beam assembly and the longitudinal supporting beam assembly are connected. Preferably, in the present embodiment, the strength weakening structure 1 is provided on the lateral support beam assembly at the junction of the first mounting region 100 and the second mounting region 200.
Specifically, the longitudinal support beam assembly comprises a longitudinal fixing beam assembly and a longitudinal reinforcing beam assembly, the longitudinal fixing beam assembly is used for fixing the power distribution unit, the vehicle-mounted charger, the motor control unit and the battery, and the longitudinal reinforcing beam assembly is used for improving the strength of the front cabin mounting bracket of the electric automobile. Further, the longitudinal reinforcing beam assembly includes a first longitudinal reinforcing beam group disposed at the first mounting region 100 and a second longitudinal reinforcing beam group disposed at the second mounting region 200.
Preferably, in this embodiment, the front cabin mounting bracket of the electric vehicle is made of EV material. In other embodiments, the electric vehicle front cabin mounting bracket can be made of other materials.
Preferably, in the present embodiment, the transverse support beam assembly comprises a first beam 2, a second beam 3 and a third beam 4, wherein the first beam 2 and the second beam 3 are connected; the longitudinal support beam assembly comprises a first longitudinal beam 5, a second longitudinal beam 6, a third longitudinal beam 7, a fourth longitudinal beam 8, a fifth longitudinal beam 9, a sixth longitudinal beam 10 and a seventh longitudinal beam 11, wherein the first longitudinal beam 5, the second longitudinal beam 6 and the third longitudinal beam 7 are sequentially connected between a first cross beam 2 and a third cross beam 4, the fourth longitudinal beam 8, the fifth longitudinal beam 9, the sixth longitudinal beam 10 and the seventh longitudinal beam 11 are sequentially connected between a second cross beam 3 and a third cross beam 4, the first longitudinal beam 5, the third longitudinal beam 7, the fourth longitudinal beam 8 and the fifth longitudinal beam 9 belong to a longitudinal fixed beam assembly, the second longitudinal beam 6 belongs to a first longitudinal reinforcing beam group, the sixth longitudinal beam 10 and the seventh longitudinal beam 11 belong to a second longitudinal reinforcing beam group, and a strength weakening structure 1 is respectively arranged on the second cross beam 3 and the third cross beam 4. In other embodiments, other combinations of transverse support beam assemblies and longitudinal support beam assemblies may be selected.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The electric automobile front cabin mounting bracket is used for supporting a power distribution unit, an on-board charger, a motor control unit and a battery in an electric automobile, and the electric automobile further comprises a vacuum power-assisted main cylinder, and is characterized in that the electric automobile front cabin mounting bracket comprises a first mounting area (100) and a second mounting area (200), wherein the first mounting area (100) and the second mounting area (200) are connected along a first direction, the first mounting area (100) is used for supporting and fixing one, two or three of the power distribution unit, the on-board charger, the motor control unit and the battery, and the second mounting area (200) is used for supporting and fixing the rest of the power distribution unit, the on-board charger, the motor control unit and the battery;
the vacuum power-assisted main cylinder is arranged above the joint of the first mounting area (100) and the second mounting area (200) along the second direction, the first direction is perpendicular to the second direction, the joint of the first mounting area (100) and the second mounting area (200) is provided with a strength weakening structure (1), the maximum fracture stress borne by the joint along the second direction is lower than a preset fracture stress value, and the maximum fracture stress borne by other positions of the first mounting area (100) and the second mounting area (200) along the second direction is higher than the preset fracture stress value.
2. Electric vehicle forecabin mounting bracket according to claim 1, characterized in that said strength weakening structure (1) is a through hole structure along a third direction, said third direction being perpendicular to said first direction and said second direction.
3. The electric vehicle forecabin mounting bracket of claim 2, wherein the cross-section of the through-hole structure along the plane formed by the first direction and the second direction is circular, square or kidney-shaped.
4. Electric vehicle forecabin mounting bracket according to claim 1, characterized in that said first mounting area (100) is used for supporting and fixing said power distribution unit, said on-board charger and said motor control unit; the second mounting area (200) is used for supporting and fixing the battery.
5. Electric vehicle forecabin mounting bracket according to claim 4, characterized in that said on-board charger, said motor control unit and said power distribution unit are fixed in sequence on said first mounting area (100) along said first direction.
6. The electric vehicle forecabin mounting bracket of any one of claims 1-5, wherein the electric vehicle forecabin mounting bracket comprises a transverse support beam assembly extending along the first direction and a longitudinal support beam assembly extending along the second direction, and the transverse support beam assembly and the longitudinal support beam assembly are connected.
7. The electric vehicle forecabin mounting bracket of claim 6, wherein the longitudinal support beam assembly comprises a longitudinal securing beam assembly and a longitudinal reinforcement beam assembly, the longitudinal securing beam assembly is used for securing the power distribution unit, the vehicle charger, the motor control unit and the battery, and the longitudinal reinforcement beam assembly is used for improving the strength of the electric vehicle forecabin mounting bracket.
8. Electric vehicle forecabin mounting bracket according to claim 7, characterized in that said longitudinal stiffening beam assembly comprises a first longitudinal stiffening beam group and a second longitudinal stiffening beam group, said first longitudinal stiffening beam group being provided at said first mounting zone (100) and said second longitudinal stiffening beam group being provided at said second mounting zone (200).
9. The electric vehicle forecabin mounting bracket of claim 1, wherein the electric vehicle forecabin mounting bracket is made of EV material.
10. An electric vehicle, characterized by comprising the electric vehicle front compartment mounting bracket according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707445.9A CN111731394A (en) | 2020-07-21 | 2020-07-21 | Electric automobile front deck installing support and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707445.9A CN111731394A (en) | 2020-07-21 | 2020-07-21 | Electric automobile front deck installing support and electric automobile |
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| Publication Number | Publication Date |
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| CN111731394A true CN111731394A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010707445.9A Pending CN111731394A (en) | 2020-07-21 | 2020-07-21 | Electric automobile front deck installing support and electric automobile |
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| CN105035169A (en) * | 2015-07-31 | 2015-11-11 | 广州橙行智动汽车科技有限公司 | Front cabin module structure of electric four-wheel drive automobile chassis |
| CN108407890A (en) * | 2018-03-06 | 2018-08-17 | 贵安新区新特电动汽车工业有限公司 | Power assembly bracket and electric vehicle |
| CN109334782A (en) * | 2018-11-30 | 2019-02-15 | 安徽江淮汽车集团股份有限公司 | The protection body frame structure of battery after a kind of pure electric vehicle |
| CN212637678U (en) * | 2020-07-21 | 2021-03-02 | 上海元城汽车技术有限公司 | Electric automobile front deck installing support and electric automobile |
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