Patent Description:
As one of main parts of vehicles, a front cabin of the vehicles is mainly used to integrate and mount a compressor, a cooling module, an expansion tank and other components. However, in the related art, there are some problems in the front cabin area of the vehicles, e.g., crash energy cannot be efficiently dispersed and transmitted, and degree of integrated design needs to be further improved.

<CIT> discloses a mounting beam for a vehicle, comprising a beam body provided with a plurality of mounting areas configured to mount a front cabin accessory. The beam body comprises a first cross beam and first and second oblique beams which connect with the first cross beam at respective first ends. A second end of the first oblique beam is coupled to a second end of the second oblique beam to form a first joint which is configured to be coupled to a dash panel.

The present invention aims at solving one of the technical problems in the related art at least to some extent.

Therefore, embodiments of the present invention provide a mounting beam for a vehicle, which can improve torsional rigidity of the whole vehicle, effectively decompose crash energy, and realize integration of accessory mounting.

Embodiments of the present invention also provide a front cabin assembly employing the above-described mounting beam.

Embodiments of the present invention also provide a vehicle employing the above-described front cabin assembly.

Embodiments of the present invention also provide an optimization design method for the above-described mounting beam.

According to a first aspect of the present invention, there is provided a vehicle mounting beam for a vehicle, and the mounting beam includes a beam body. The beam body is provided with a plurality of mounting areas, the plurality of mounting areas is configured to mount a front cabin accessory, and the beam body includes: a first cross beam and a second cross beam, the first cross beam and the second cross beam being arranged in parallel and spaced apart from each other, and each of the first cross beam and the second cross beam being configured to be coupled between a left shock absorber tower and a right shock absorber tower; a first oblique beam and a second oblique beam, each of the first oblique beam and the second oblique beam intersecting with the second cross beam, a first end of the first oblique beam and a first end of the second oblique beam are coupled to the first cross beam, and a second end of the first oblique beam is coupled to a second end of the second oblique beam to form a first joint configured to be coupled to a dash panel.

The mounting beam according to embodiments of the present invention can improve the torsional rigidity of the whole vehicle, effectively decompose the crash energy, and realize the integration of accessory mounting.

Optionally, the beam body includes a plurality of longitudinal beams, the plurality of longitudinal beams is coupled between the first cross beam and the second cross beam, and spaced apart from each other along a transverse direction of the beam body.

Optionally, the plurality of longitudinal beams includes a first longitudinal beam and a second longitudinal beam, and the first longitudinal beam, the second longitudinal beam, the first cross beam and the second cross beam form a rectangular structure, and the rectangular structure forms a first mounting area; and the front cabin accessory includes a compressor, and the compressor is assembled at the rectangular structure.

Optionally, the rectangular structure is provided with a plurality of first mounting points, the plurality of first mounting points is arranged along a circumferential direction of the rectangular structure and spaced apart from each other, and the compressor is coupled to the plurality of first mounting points.

Optionally, the first mounting point is arranged on a joint of the first longitudinal beam and the second cross beam, a joint of the second longitudinal beam and the second cross beam, and a portion of the first cross beam between the first longitudinal beam and the second longitudinal beam; and/or the rectangular structure is provided with a plurality of damping bushings, the plurality of damping bushings is arranged at the plurality of first mounting points in one-to-one correspondence, and the compressor is assembled at the rectangular structure through the damping bushings.

Optionally, the plurality of mounting areas includes a second mounting area and a third mounting area, the first mounting area is located between the second mounting area and the third mounting area, and the second mounting area, the first mounting area and the third mounting area are sequentially arranged in the transverse direction of the beam body; the front cabin accessory includes a cooling module and an expansion tank, one of the second mounting area and the third mounting area is configured to mount the cooling module, and the other is configured to mount the expansion tank.

Optionally, the second mounting area is provided with a plurality of second mounting points, and the plurality of second mounting points is arranged along a circumferential direction of the second mounting area and spaced apart from each other; and/or the third mounting area is provided with a plurality of third mounting points, and the plurality of third mounting points is arranged along a circumferential direction of the third mounting area and spaced apart from each other.

Optionally, the plurality of mounting areas include a fourth mounting area, and the fourth mounting area is arranged at a side of the second cross beam facing away from the first cross beam and adjacent to the first joint; the fourth mounting area is provided with a plurality of fourth mounting points, and the plurality of fourth mounting points is arranged along a circumferential direction of the fourth mounting area and spaced apart from each other; and/or the front cabin accessory includes an air conditioner motor body, and the fourth mounting area is configured to mount the air conditioner motor body.

Optionally, the first end of the first oblique beam is coupled to a first end of the first cross beam to form a second joint, the second joint is configured to be coupled to the left shock absorber tower, the first end of the second oblique beam is coupled to a second end of the first cross beam to form a third joint, and the third joint is configured to be coupled to the right shock absorber tower.

Optionally, the beam body is integrally die-cast, and/or the beam body is made of aluminum.

Optionally, a top face of the first oblique beam and/or a top face of the second oblique beam is provided with a first rib group, and the first rib group is located between the first joint and the second cross beam; and/or a bottom face of the first oblique beam and/or a bottom face of the second oblique beam is provided with a second rib group, and the second rib group is located between the first joint and the second cross beam.

Optionally, the first oblique beam and/or the second oblique beam is provided with a notch for avoiding a wiper envelope, and the first rib group and the second rib group are arranged at the notch; and/or the first rib group has an X shape; and/or the second rib group has a grid shape.

Optionally, a third rib group is arranged at an included angle formed by the first oblique beam and the second cross beam, and the first oblique beam, the second cross beam and the third rib group form a triangular structure; and/or a fourth rib group is arranged at an included angle formed by the second oblique beam and the second cross beam, and the second oblique beam, the second cross beam and the fourth rib group form a triangular structure.

Optionally, a cross section of the first cross beam is Z-shaped, and/or a cross section of the second cross beam is Z-shaped.

Optionally, a plurality of vertical ribs is uniformly distributed on the top face and the bottom face of the beam body, and at least part of the vertical ribs fluctuate in an extending direction of the vertical ribs.

According to a second aspect of the present invention, there is provided a front cabin assembly, and the front cabin assembly includes a mounting beam as described in any of the above-described embodiments.

Optionally, the front cabin assembly includes: a left shock absorber tower, a first end of the first cross beam and a first end of the second cross beam being coupled to the left shock absorber tower, and a center point of the left shock absorber tower being located between the first cross beam and the second cross beam; and a right shock absorber tower, a second end of the first cross beam and a second end of the second cross beam being coupled to the right shock absorber tower, and a center point of the right shock absorber tower being located between the first cross beam and the second cross beam.

Optionally, the front cabin assembly includes a front cabin accessory, the front cabin accessory is assembled at the mounting areas, and the front cabin accessory includes at least one of the following: a compressor, a cooling module, an expansion tank or an air conditioner motor body; and/or includes a dash panel, and the first joint is fixedly coupled to the dash panel.

According to a third aspect of the present invention, there is provided a vehicle, and the vehicle includes a front cabin assembly as described in any of the above embodiments.

According to a fourth aspect of the present invention, there is provided an optimization design method for a mounting beam, and the optimization design includes: creating a body-in-white model with a design space for the mounting beam; determining an optimal force transmission path of the mounting beam in the design space through topology optimization; creating an initial model of the mounting beam according to the optimal force transmission path; and performing an optimization design for a specific structure of the initial model and obtaining a final model of the mounting beam.

Optionally, the optimization design for the specific structure includes: an optimization design for sections of a first cross beam and a second cross beam; and/or an optimization design for an arrangement position and a structure of a reinforcing structure on the beam body.

Embodiments of the present invention will be described in detail herein, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, but not to be construed as limiting the present invention.

A mounting beam (hereinafter referred to as the mounting beam <NUM>) for a vehicle according to embodiments of the present invention includes a beam body <NUM>, the beam body <NUM> may have a triangular structure, and the beam body <NUM> may be divided into a plurality of mounting areas <NUM>, as illustrated in <FIG>, there are four mounting areas <NUM>, and the four mounting areas <NUM> may be divided into two rows in a front-rear direction. There may be three mounting areas <NUM> in a front row, and the three mounting areas <NUM> are a first mounting area <NUM>, a second mounting area <NUM> and a third mounting area <NUM> respectively. There may be only one mounting area <NUM> in a rear row, and this mounting area <NUM> is a fourth mounting area <NUM>.

In use, the mounting beam <NUM> is assembled in a compartment of the front cabin of the vehicle, and different front cabin accessories (a compressor, a cooling module, etc.) may be mounted in respective mounting areas <NUM> on the beam body <NUM>, so that the accessories in the front cabin can be integrated, which is beneficial to simplifying the mounting structure in the front cabin and improving the space utilization rate.

As illustrated in <FIG>, the beam body <NUM> includes a first cross beam <NUM>, a second cross beam <NUM>, a first oblique beam <NUM> and a second oblique beam <NUM>. The first cross beam <NUM>, the second cross beam <NUM>, a first longitudinal beam <NUM> and a second longitudinal beam <NUM> may all be straight. The first cross beam <NUM> and the second cross beam <NUM> are arranged in parallel and spaced from each other. For example, both the first cross beam <NUM> and the second cross beam <NUM> extend in a left-right direction, and the first cross beam <NUM> is located at a front side of the second cross beam <NUM>.

When assembling the mounting beam <NUM>, a left end of the first cross beam <NUM> may be fixedly coupled to a left shock absorber tower <NUM> in the front cabin, and a right end of the first cross beam <NUM> may be fixedly coupled to a right shock absorber tower <NUM> in the front cabin. A left end of the second cross beam <NUM> may be fixedly coupled to the left shock absorber tower <NUM> in the front cabin, and a right end of the second cross beam <NUM> may be fixedly coupled to the right shock absorber tower <NUM> in the front cabin.

Each of first oblique beam <NUM> and the second oblique beam <NUM> intersects with the second cross beam <NUM>. A first end of the first oblique beam <NUM> and a first end of the second oblique beam <NUM> are coupled to the first cross beam <NUM>, and a second end of the first oblique beam <NUM> is coupled to a second end of the second oblique beam <NUM> to form a first joint <NUM>, which is configured to be coupled to a dash panel <NUM>.

For example, as illustrated in <FIG>, the first oblique beam <NUM> and the second oblique beam <NUM> may be arranged in a splayed shape. The first oblique beam <NUM> may extend generally in a direction from front left to rear right, and the second oblique beam <NUM> may extend generally in a direction from front right to rear left. A front end of the first oblique beam <NUM> may be coupled to the first cross beam <NUM>, a rear end of the first oblique beam <NUM> may be coupled to a rear end of the second oblique beam <NUM>, and a front end of the second oblique beam <NUM> may be coupled to the first cross beam <NUM>.

The second cross beam <NUM> may be integrally formed with the first oblique beam <NUM> and the second oblique beam <NUM>, and form a triangular structure with the first oblique beam <NUM> and the second oblique beam <NUM>. The first cross beam <NUM>, the first oblique beam <NUM> and the second oblique beam <NUM> may form another triangular structure. Thus, the beam body <NUM> forms a consecutive double-layer triangular frame structure.

When the vehicle is subjected to a small offset crash, as illustrated by black arrows in <FIG>, a crash force may be transmitted along the first cross beam <NUM>, and the first oblique beam <NUM> and the second cross beam <NUM>, so that the beam body <NUM> can effectively disperse crash energy. In addition, the double-layer triangular frame structure can improve structural strength and stability of the beam body <NUM>.

It should be noted that, as illustrated in <FIG>, the beam body <NUM> may be generally symmetrical, and a symmetry axis of the beam body <NUM> extends generally in the front-rear direction and may pass through midpoints of the first cross beam <NUM> and the second cross beam <NUM>, thereby ensuring balance of structure and stress of left and right sides of the beam body <NUM>.

In the mounting beam <NUM> according to embodiments of the present invention, the first cross beam <NUM> and the second cross beam <NUM> can form two cross beam connection paths of the vehicle, so that the cross beam rigidity and torsional rigidity of the front cabin can be greatly improved, and driving safety is improved.

Secondly, the double-layer triangular frame structure of the beam body <NUM> can play a good role in dispersing crash energy, and combined with unique stability of the triangle, it also makes the structural strength of the beam body <NUM> higher and more stable.

Additionally, by arranging a plurality of mounting areas <NUM> on the beam body <NUM>, some accessories in the front cabin can be integrated on the mounting beam <NUM> in a classified manner, so that the mounting beam <NUM> is highly integrated, so that on the one hand, the number of parts and components of the mounting structure in the front cabin can be reduced to facilitate lightweight of design of the front cabin, and on the other hand, the overall assembly efficiency can be improved. When assembling, the accessories can be assembled on corresponding sub-assembly lines, and then assembled on the mounting beam <NUM> on a final assembly line, which is beneficial to improving mounting accuracy and mounting cycle time of the final assembly line, and improving production efficiency.

In some embodiments, the beam body <NUM> includes a plurality of longitudinal beams <NUM>, the plurality of longitudinal beams <NUM> is all coupled between the first cross beam <NUM> and the second cross beam <NUM>, and the plurality of longitudinal beams <NUM> is spaced apart from each other in a transverse direction of the beam body <NUM>.

For example, as illustrated in <FIG>, the longitudinal beams <NUM> may be arranged in a space surrounded by the first cross beam <NUM>, the second cross beam <NUM>, the first longitudinal beam <NUM> and the second longitudinal beam <NUM>, and there may be two, three, four, five or more longitudinal beams <NUM>, and the plurality of longitudinal beams <NUM> may be arranged in parallel and spaced apart from each other along the left-right direction, and each longitudinal beam <NUM> may extend along the front-rear direction, and a front end of each longitudinal beam <NUM> may be coupled and fixed to the first cross beam <NUM>, and a rear end of each longitudinal beam <NUM> may be coupled and fixed to the second cross beam <NUM>.

On the one hand, the longitudinal beam <NUM> can couple the first cross beam <NUM> to the second cross beam <NUM>, which can further improve the structural strength and stability of the beam body <NUM>; on the other hand, the longitudinal beam <NUM> can also form a force transmission path, which is beneficial to dissipation of crash energy and safety improvement.

In some embodiments, the plurality of longitudinal beams <NUM> includes a first longitudinal beam <NUM> and a second longitudinal beam <NUM>, and the first longitudinal beam <NUM>, the second longitudinal beam <NUM>, the first cross beam <NUM>, and the second cross beam <NUM> form a rectangular structure, and the rectangular structure forms the first mounting area <NUM>, and the front cabin accessory include a compressor, and the compressor is assembled at the rectangular structure.

For example, as illustrated in <FIG>, only two longitudinal beams <NUM> may be provided, and the two longitudinal beams <NUM> are the first longitudinal beam <NUM> and the second longitudinal beam <NUM> respectively. The first longitudinal beam <NUM> may be located at a left side of the second longitudinal beam <NUM>. The first longitudinal beam <NUM>, the second longitudinal beam <NUM>, the first cross beam <NUM>, and the second cross beam <NUM> can form a rectangular structure. As illustrated in <FIG>, the rectangular structure can form a mounting area <NUM> (the first mounting area <NUM>). When assembling, the compressor of an air conditioner can be directly fixed on bottom of the first mounting area <NUM>.

It should be noted that in the related art, the air-conditioning compressor is generally fixed on an adapter bracket through a damping bushing, and then the adapter bracket is bolted and fixed on a coupling beam. Compared with a mounting mode of the compressor in the related art, in this embodiment, the adapter bracket is eliminated, and the air-conditioning compressor is directly fixed between the first cross beam <NUM> and the second cross beam <NUM> of the mounting beam <NUM>. At the same time, two longitudinal beams <NUM> are designed between the two cross beams to form a rectangular structure, which greatly improves dynamic rigidity and NVH mode of the air-conditioning compressor.

In some embodiments, the rectangular structure is provided with a plurality of first mounting points <NUM>, the plurality of first mounting points is arranged along a circumferential direction of the rectangular structure and spaced apart from each other, and the compressor is coupled to the plurality of first mounting points <NUM>. As illustrated in <FIG>, each of the first mounting points <NUM> may be a hole-like coupling structure, and the number of the first mounting points <NUM> may be three, four, five, etc. The plurality of first mounting points <NUM> can be arranged along the circumferential direction of the rectangular structure and spaced apart from each other, thus ensuring strength of an assembly structure of the compressor and the beam body <NUM>.

In some embodiments, as illustrated in <FIG>, there may be three first mounting points <NUM>, and there may be one first mounting point <NUM> at a joint of the first longitudinal beam <NUM> and the second cross beam <NUM>, a joint of the second longitudinal beam <NUM> and the second cross beam <NUM>, and a portion of the first cross beam <NUM> between the first longitudinal beam <NUM> and the second longitudinal beam <NUM>. Thus, the three first mounting points <NUM> can form a triangular structure, thereby ensuring structural stability of fixation of the compressor.

Optionally, the rectangular structure is provided with a plurality of damping bushings, the plurality of damping bushings is arranged at the plurality of first mounting points in one-to-one correspondence, and the compressor is assembled at the rectangular structure through the damping bushings. Therefore, an effect of buffering and damping the compressor can be achieved, and rigid contact between the compressor and the beam body <NUM> can be avoided.

In some embodiments, the plurality of mounting areas <NUM> includes a second mounting area <NUM> and a third mounting area <NUM>, the first mounting area <NUM> is located between the second mounting area <NUM> and the third mounting area <NUM>, and the second mounting area <NUM>, the first mounting area <NUM> and the third mounting area <NUM> are sequentially arranged in the transverse direction of the beam body.

For example, as illustrated in <FIG>, the second mounting area <NUM> may be located at a left side of the first mounting area <NUM>, and the first mounting area <NUM> may be formed by a part of the first cross beam <NUM>, a part of the second cross beam <NUM> and a part of the first oblique beam <NUM> at a left side of the first longitudinal beam <NUM>. The third mounting area <NUM> may be located at a right side of the first mounting area <NUM>, and the third mounting area <NUM> may be formed by a part of the first cross beam <NUM>, a part of the second cross beam <NUM> and a part of the second oblique beam <NUM> at a right side of the second longitudinal beam <NUM>.

The front cabin accessory includes a cooling module and an expansion tank, wherein one of the second mounting area <NUM> and the third mounting area <NUM> is configured to mount the cooling module, and the other is configured to mount the expansion tank. Specifically, the expansion tank may be mounted at the second mounting area <NUM> and the cooling module may be mounted at the third mounting area <NUM>.

Moreover, a front half of the beam body <NUM> has a longer size in the left-right direction, and the front half of the beam body <NUM> is divided into the first mounting area <NUM>, the second mounting area <NUM> and the third mounting area <NUM>, thus the space on the beam body <NUM> can be fully utilized, the utilization rate can be improved, and the integrated arrangement of the front cabin accessory can be facilitated.

In some embodiments, the second mounting area <NUM> is provided with a plurality of second mounting points <NUM>, the plurality of second mounting points <NUM> is arranged along the circumferential direction of the second mounting area <NUM> and spaced apart from each other; and the third mounting area <NUM> is provided with a plurality of third mounting points <NUM>, and the plurality of third mounting points <NUM> is arranged along the circumferential direction of the third mounting area <NUM> and spaced apart from each other.

Specifically, there may be three, four, five or more second mounting points <NUM>, and the plurality of second mounting points <NUM> may be uniformly distributed on the first cross beam <NUM>, the second cross beam <NUM> and the first longitudinal beam <NUM>. Similarly, there may be three, four, five or more third mounting points <NUM>, and the plurality of third mounting points <NUM> may be uniformly distributed on the first cross beam <NUM>, the second cross beam <NUM> and the second longitudinal beam <NUM>.

Therefore, on the one hand, the strength of the assembly structure of the expansion tank (cooling module) and the beam body <NUM> can be enhanced, and on the other hand, the vibration of the expansion tank (cooling module) can be directly transmitted to different beams, thus facilitate alleviation of the vibration of the expansion tank.

In some embodiments, the plurality of mounting areas <NUM> includes a fourth mounting area <NUM>, and the fourth mounting area <NUM> is arranged at a side of the second cross beam <NUM> facing away from the first cross beam <NUM> and adjacent to the first joint <NUM>.

For example, as illustrated in <FIG>, the fourth mounting area <NUM> is provided at a rear side of the beam body <NUM>, and a rear end portion of the first oblique beam <NUM> and a rear end portion of the second oblique beam <NUM> form the fourth mounting area <NUM>. The front cabin accessory may include an air conditioner motor body, and the air-conditioning motor body may be assembled at the fourth mounting area <NUM>, further enhancing the integrated arrangement of the front cabin accessory and the mounting beam <NUM>.

In some embodiments, the fourth mounting area <NUM> may be provided with a plurality of fourth mounting points <NUM>, specifically three, four, five, six and the like, and the plurality of fourth mounting points <NUM> is arranged along the circumferential direction of the fourth mounting area <NUM> and spaced apart from each other. Thus, the structural strength of the assembly of the motor body and the beam body <NUM> of the air conditioner can be enhanced.

Optionally, there may be two fourth mounting points <NUM>, and an inner side of a rear end of each of the first oblique beam <NUM> and the second oblique beam <NUM> may be provided with an ear plate, and the two ear plates respectively form the two fourth mounting points <NUM>.

In some embodiments, the first end of the first oblique beam <NUM> is coupled to the first end of the first cross beam <NUM> to form a second joint <NUM>, the second joint <NUM> is configured to be coupled to the left shock absorber tower <NUM>; the first end of the second oblique beam <NUM> is coupled to the second end of the first cross beam <NUM> to form a third joint <NUM>, and the third joint <NUM> is configured to be coupled to the right shock absorber tower <NUM>.

For example, as illustrated in <FIG>, the front end of the first oblique beam <NUM> may be coupled to the left end of the first cross beam <NUM> to form the second joint <NUM>, and the front end of the second oblique beam <NUM> may be coupled to the right end of the first cross beam <NUM> to form the third joint <NUM>, so that the front end of the first oblique beam <NUM> and the left end of the first cross beam <NUM> can share a mounting point and be fixedly coupled to the left shock absorber tower <NUM> at the same time, and the front end of the second oblique beam <NUM> and the right end of the first cross beam <NUM> can share a mounting point and be fixedly coupled to the right shock absorber tower <NUM> at the same time.

On the one hand, the structural strength of the joint between the beam body <NUM> and the shock absorber tower can be enhanced, and on the other hand, the force exerted by the shock absorber tower on the beam body <NUM> can be decomposed to the first cross beam <NUM> and the first oblique beam <NUM> (the second oblique beam <NUM>), further improving the force decomposition effect.

In some embodiments, the beam body <NUM> is made of aluminum, and the beam body <NUM> is integrally die-cast. Specifically, the first cross beam <NUM>, the second cross beam <NUM>, the first oblique beam <NUM>, the second oblique beam <NUM>, and the plurality of longitudinal beams <NUM> can all be processed and formed by high-pressure aluminum casting. Thus, on the one hand, the continuity and structural strength of the joint of each beam can be ensured, and on the other hand, the aluminum material is light, which can realize the lightweight of the beam body <NUM>.

In some embodiments, a top face of the first oblique beam <NUM> and/or a top face of the second oblique beam <NUM> is provided with a first rib group <NUM>, and the first rib group <NUM> is located between the first joint <NUM> and the second cross beam <NUM>. For example, as illustrated in <FIG> and <FIG>, the first rib group <NUM> can be an X-shaped structure composed of two reinforcing ribs, and both the top face of the first oblique beam <NUM> and the top face of the second oblique beam <NUM> may be integrally formed with a first rib group <NUM>.

A bottom face of the first oblique beam <NUM> and/or a bottom face of the second oblique beam <NUM> is provided with a second rib group <NUM>, and the second rib group <NUM> is located between the first joint <NUM> and the second cross beam <NUM>. For example, as illustrated in <FIG>, both the bottom face of the first oblique beam <NUM> and the bottom face of the second oblique beam <NUM> may be provided with a second rib group <NUM>, and the second rib group <NUM> may have a grid-shaped structure composed of a plurality of reinforcing ribs.

The first oblique beam <NUM> and/or the second oblique beam <NUM> are provided with a notch for avoiding a wiper envelope, and the first rib group <NUM> and the second rib group <NUM> can be arranged at the notch of the first oblique beam <NUM> or the second oblique beam <NUM>, and the first rib group <NUM> and the second rib group <NUM> on the same oblique beam can be arranged opposite to each other in an up-down direction. Therefore, the structural weakness caused by the notch formed for avoiding the wiper envelope can be compensated for, the structural strength of the beam body <NUM> can be ensured, and the use requirements can be met. Secondly, the bearing capacity of the structure in the process of crash and the safety of the vehicle can also be improved.

In some embodiments, a third rib group <NUM> is arranged at an included angle formed by the first oblique beam <NUM> and the second cross beam <NUM>. Specifically, as illustrated in <FIG>, the third rib group <NUM> may be arranged in an acute angle formed by the first oblique beam <NUM> and the second cross beam <NUM>, and the first oblique beam <NUM>, the second cross beam <NUM> and the third rib group <NUM> form a triangular structure. Thus, the rigidity of the joint between the first oblique beam <NUM> and the second cross beam <NUM> can be improved.

In some embodiments, a fourth rib group <NUM> is arranged at an included angle formed by the second oblique beam <NUM> and the second cross beam <NUM>. Specifically, as illustrated in <FIG>, the fourth rib group <NUM> may be arranged in an acute angle formed by the second oblique beam <NUM> and the second cross beam <NUM>, and the second oblique beam <NUM>, the second cross beam <NUM> and the fourth rib group <NUM> form a triangular structure. Therefore, the rigidity of the joint between the second oblique beam <NUM> and the second cross beam <NUM> can be improved.

In some embodiments, as illustrated in <FIG> and <FIG>, a cross section of the first cross beam <NUM> has a Z shape. As illustrated in <FIG> and <FIG>, a cross section of the second cross beam <NUM> has a Z shape. Therefore, the bending resistance of the second cross beam <NUM> can be improved while satisfying the die casting process of the first cross beam <NUM> and the second cross beam <NUM>. The structural reinforcement of the first cross beam <NUM> and the second cross beam <NUM> is also conducive to improving the rigidity of the compressor mounting point, reducing the compressor excitation noise and improving the vehicle comfort.

In some embodiments, a plurality of vertical ribs <NUM> are uniformly distributed on the top face and the bottom face of the beam body <NUM>, and at least part of the vertical ribs <NUM> fluctuate in an extending direction of the vertical ribs <NUM>. Specifically, as illustrated in <FIG>, the vertical ribs <NUM> may be integrally formed on the bottom face of the beam body <NUM>, and the vertical ribs <NUM> may include an annular rib and a linear rib. The annular rib may extend along an inner edge and an outer edge of the beam body <NUM> to form a closed loop. A plurality of linear ribs may be provided, and corresponding linear ribs may extend along the first oblique beam <NUM>, the second oblique beam <NUM>, the first cross beam <NUM>, the second cross beam <NUM> and each longitudinal beam <NUM>. Therefore, the structural strength and rigidity of the beam body <NUM> can be enhanced.

It should be noted that a height size of each vertical rib <NUM> in the up-down direction can fluctuate along the extending direction of the vertical ribs <NUM>, and the fluctuation may be determined by topology optimization design, so that the reinforced part (higher part) of the vertical ribs <NUM> can correspond to a relatively weak area of the beam body <NUM>, and the reinforced position of the vertical ribs <NUM> is more targeted, which is also beneficial to reducing material consumption of the vertical ribs <NUM>, and realizing the lightweight design while improving the performance requirements.

In some embodiments, as illustrated in <FIG>, the fillet transition design may be carried out at an included angle formed by any two beams. For example, the fillet transition may be carried out at the acute angle formed by the first oblique beam <NUM> and the first cross beam <NUM>, and a corresponding fillet diameter may be <NUM>. The fillet transition may also be carried out at the acute angle formed by the second oblique beam <NUM> and the first cross beam <NUM>, and a corresponding fillet diameter may also be <NUM>. This can improve the structural strength and rigidity of the joint of two beams and avoid stress concentration.

Next, the front cabin assembly according to embodiments of the present invention will be described.

The front cabin assembly according to embodiments of the present invention includes a mounting beam <NUM>, and the mounting beam <NUM> may be the mounting beam <NUM> described in any of the above embodiments. As illustrated in <FIG>, the front cabin assembly includes a left shock absorber tower <NUM> and a right shock absorber tower <NUM>. A left end of the first cross beam <NUM> and a left end of the second cross beam <NUM> are coupled to the left shock absorber tower <NUM>, and a right end of the first cross beam <NUM> and a right end of the second cross beam <NUM> are coupled to the right shock absorber tower <NUM>.

A center point (which may be seen as an axis) of the left shock absorber tower <NUM> is located between the left end of the first cross beam <NUM> and the left end of the second cross beam <NUM>, and a center point (which may be seen as an axis) of the right shock absorber tower <NUM> is located between the right end of the first cross beam <NUM> and the right end of the second cross beam <NUM>. Therefore, the rigidity of the mounting point of the left shock absorber tower <NUM> (or right shock absorber tower <NUM>) in the transverse direction (left-right direction) can be improved.

In some embodiments, the front cabin assembly includes a front cabin accessory, the front cabin accessory is assembled to the corresponding mounting area <NUM> of the beam body <NUM>, and the front cabin accessory includes at least one of the following: a compressor, a cooling module, an expansion tank or an air conditioner motor body. The compressor may be fixed at the first mounting area <NUM>, the expansion tank may be fixed at the second mounting area <NUM>, the cooling module may be fixed at the third mounting area <NUM>, and the air conditioner motor body may be fixed at the fourth mounting area <NUM>.

In some embodiments, as illustrated in <FIG>, the front cabin assembly further includes a dash panel <NUM>, and the first joint <NUM> is fixedly coupled to the dash panel <NUM>. A front side of the dash panel <NUM> may be provided with a mounting base <NUM>, and a rear end of the beam body <NUM> may be overlapped on the mounting base <NUM> and fixedly coupled to the mounting base <NUM>.

A vehicle according to embodiments of the present invention will be described below.

The vehicle according to embodiments of the present invention includes a front cabin assembly, and the front cabin assembly may be the front cabin assembly described in any of the above embodiments. The vehicle may be a saloon, an SUV, a pickup truck, a bus etc., and of course it may also be other vehicles with front cabin assemblies.

An optimization design method for a mounting beam according to embodiments of the present invention will be described below.

The optimization design method for the mounting beam <NUM> according to embodiments of the present invention includes the following steps:.

The optimization design for the specific structure may include the optimization design of sections of the first cross beam <NUM> and the second cross beam <NUM>. For example, the optimized cross-section design of the second cross beam <NUM> can be Z-shaped, so that the axial and bending bearing capacity of the beam can be improved, the noise generated by the excitation of the compressor and transmitted to an occupant can be obviously reduced and the comfort of the vehicle can be improved.

The optimization design for the specific structure can also include optimization design for arrangement position and structure of the reinforcing structure on the beam body <NUM>. For example, X-shaped and grid-shaped ribs can be designed on the beam body <NUM> according to the direction of crash force transmission, to improve the bearing capacity of the beam, improve the sectional force during crash and improve the safety of the vehicle.

The optimization design for the specific structure can also include the optimization for the shape and thickness of the reinforcing ribs on the beam body <NUM>. For example, arc-shaped ribs with variable thickness can be designed at each joint or corner, so that the weight of the parts can be reduced under the conditions of meeting the rigidity, NVH and safety performance, and the weight and cost of the parts can be reduced.

In the description of the present invention, it should be understood that, terms such as "central", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "rear", "right", "left", "horizontal", "vertical", "top", "bottom", "inner", "outer", "clockwise", "anticlockwise", "axial", "radial" and "circumferential" etc., should be construed to refer to the orientation as then described or as illustrated in the drawings under discussion. These relative terms are for convenience of description and do not require that the present invention be constructed or operated in a particular orientation. Therefore, it should not be construed as limiting the present invention.

In addition, terms such as "first" and "second" are used herein for purposes of description and are not intended to indicate or imply relative importance or significance or the number of the features. Therefore, the features defined with "first" and "second" can include at least one of these features explicitly or implicitly. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless specified or limited otherwise, the terms "mounted," "connected," "fixed," and "coupled" and variations thereof are used broadly, for example, for example, it can be fixedly connected, detachably connected, or integrated; can be mechanically connected, electrically connected or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise specified and limited, the first feature "above" or "below" the second feature may be the direct contact between the first and second features, or the indirect contact between the first and second features through an intermediary. Further, the first feature is "above", "on" and "on top of" the second feature, but the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "on bottom of" the second feature may be the first feature directly under or obliquely under the second feature, or only indicate that the horizontal height of the first feature is smaller than that of the second feature.

Claim 1:
A mounting beam (<NUM>) for a vehicle, comprising a beam body (<NUM>), the beam body (<NUM>) being provided with a plurality of mounting areas (<NUM>), and the plurality of mounting areas (<NUM>) being configured to mount a front cabin accessory, and the beam body (<NUM>) comprising:
a first cross beam (<NUM>) and a second cross beam (<NUM>), the first cross beam (<NUM>) and the second cross beam (<NUM>) being arranged in parallel and spaced apart from each other, and each of the first cross beam (<NUM>) and the second cross beam (<NUM>) being configured to be coupled between a left shock absorber tower (<NUM>) and a right shock absorber tower (<NUM>); and
a first oblique beam (<NUM>) and a second oblique beam (<NUM>), each of the first oblique beam (<NUM>) and the second oblique beam (<NUM>) intersecting with the second cross beam (<NUM>), a first end of the first oblique beam (<NUM>) and a first end of the second oblique beam (<NUM>) being coupled to the first cross beam (<NUM>), a second end of the first oblique beam (<NUM>) being coupled to a second end of the second oblique beam (<NUM>) to form a first joint (<NUM>), and the first joint (<NUM>) being configured to be coupled to a dash panel (<NUM>).