CN216861384U - Side-hung high-voltage component integrated frame assembly for truck - Google Patents

Abstract

The utility model discloses a side-mounted high-voltage component integrated frame assembly for a truck, which comprises a power supply fixing cabin for installing a power supply system, and is used for installing a high-voltage control unit including a motor controller, a DC converter, a power inductor and the like. The fixed cabin of the controller is used for the fixed cabin of the thermal management system for the installation of cooling systems such as air-conditioning liquid cooling units and electric heating water heaters. The integrated frame is a three-layer structure, in which the power supply fixed cabin is located at the bottom of the integrated frame; the thermal management system fixed cabin is located in the upper part of the power fixed cabin and in the middle of the integrated frame; the controller fixed cabin is located at the top of the integrated frame . The side-mounted integrated frame body adopted by the utility model realizes the centralized arrangement of the power supply system, the high-voltage control system, the thermal management system, etc., and the frame body and the components in the frame are independently assembled and side-mounted to the side of the frame, which has the advantages of high integration and layout. Reasonable, high structural strength, good manufacturability, lightweight, good electromagnetic compatibility and other advantages.

Description

A side-mounted high-voltage component integrated frame assembly for trucks

technical field

The utility model belongs to the technical field of vehicle engineering, in particular to a side-mounted high-voltage component integrated frame assembly for a truck.

Background technique

With the increasingly stringent policies and regulations related to energy conservation and emission reduction, the technical solutions for energy-saving vehicles or new energy vehicles represented by hybrid, pure electric, and fuel cells are becoming more and more mature; Vehicles such as fuel cells are equipped with a power battery system, a high-voltage component management system, and a matching thermal management system.

When arranging the structure of the whole vehicle, due to the many related components, complex structure, intricate electrical wiring harness and cooling pipeline, the traditional distributed layout method has poor craftsmanship and poor electromagnetic compatibility, which cannot meet the production efficiency and performance of the vehicle. and other requirements.

Utility model content

In view of this, in order to solve the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a side-mounted high-voltage component integrated frame assembly for a truck.

For realizing the above-mentioned purpose, the technical scheme that the utility model adopts is:

A side-mounted high-voltage component integrated frame assembly for a truck, comprising a left frame support cross arm, a right frame support cross arm, a middle frame support arm, a cabin support bracket and a frame cover; the cabin support The bracket includes a lower cabin body support bracket, a middle cabin body support bracket, an upper cabin body support bracket and a connecting angle plate between the cabin bodies, and the frame body cover includes an upper frame body cover, a frame body front cover, and a frame body left cover. Cover, right cover of frame body;

The outer side of the cabin support bracket is provided with several frame standard holes and several bolt holes;

The left frame support arm is an L-shaped plate composed of a horizontal plate and a vertical plate, the horizontal plate is parallel to the length direction of the frame, and is connected with the standard holes of the frame through a bolt structure; the vertical plate is connected to the vehicle frame. The length of the frame is vertical, and there are bolt fixing holes corresponding to the bolt holes one-to-one, and the bottom is a rightward bending structure I;

The middle frame support bracket includes a bending structure II connected with the frame and a bending bracket. The middle frame support bracket is parallel to the length direction of the frame and vertically downward, and is connected to the standard hole of the frame through the bolt structure. Fixing; the number of the bending brackets is two, and the positions of the bending brackets corresponding to the cabin support brackets are provided with bolt fixing holes corresponding to the bolt holes one-to-one;

There are bolt fixing holes corresponding to the bolt holes one-to-one on the connecting angle plate between the cabins;

The cabin body support bracket is connected with the left frame body support cross arm, the right frame body support cross arm, the middle frame body support arm, and the bolt fixing holes of the connecting angle plates between the cabin bodies through bolts respectively. .

Further, both the right frame body support arm and the left frame body support arm are provided with a double-layer bending structure.

Further, the surface of the left frame body supporting transverse arm is provided with a hollowed-out weight-reducing structure and an inclined reinforcing structure with a high inner and an outer low.

Further, the right frame body supporting transverse arm and the left frame body supporting transverse arm are arranged symmetrically except that the hollowed-out weight-reducing structure is different.

Further, the lower cabin support bracket includes a "Sun"-shaped structural support frame disposed at the bottom and a protective plate disposed at the top, and the outer frame of the "Sun"-shaped structural support frame is provided with several A bolt hole, which is fixedly connected with the fixing process hole of the power supply system through bolts.

Further, the middle cabin body support bracket is a "Tian"-shaped structural support frame, the lateral and longitudinal support arms of the middle cabin body support bracket are provided with installation process bolt holes, and the middle cabin body support bracket is provided. The outer frame of the frame is provided with several bolt holes.

Further, a thermal management unit mounting base is provided on the support bracket of the middle cabin.

Further, the upper cabin support bracket includes a high-voltage box and a motor controller fixing bracket, an HCU and a low-voltage distribution box fixing bracket, and a DCDC fixing bracket, and the HCU and the low-voltage distribution box fixing bracket are fixed on the DCDC fixed bracket. On the bracket, the DCDC fixing bracket is fixedly connected with the left frame body support arm and the connecting angle plate between the cabin by bolts, and the high-voltage box and the motor controller fixing bracket and the middle frame body support arm are fixedly connected by bolts.

Further, the outer sides of the connecting gussets between the cabins, the top of the connecting gussets between the cabins, the left side of the left frame support arm and the right side of the right frame support arm are provided with A projection welding nut structure fitted with the frame cover.

The beneficial effects of the present utility model are:

The utility model provides a frame body assembly for a truck, which is highly integrated by layers of a power supply system, a high voltage control system and a thermal management system. Etc;

The frame-type design of the power supply fixed cabin, the controller fixed cabin and the thermal management system fixed cabin can be fixed inside, and the power supply, motor controller, DC converter, power inductor, air conditioning liquid cooling unit, electric heating water heating unit can be fixed inside. Through the integrated frame layout, the centralized assembly of the power supply system, high-voltage control system, thermal management system, etc. can be realized. The layout is reasonable and the integration degree is high. Compared with the traditional distributed layout, it has high structural strength and good workmanship. , light weight, good electromagnetic compatibility, can meet the requirements of vehicle production efficiency and performance.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the overall frame structure diagram of the present utility model;

Fig. 2 is the frame cover figure of the present utility model;

Fig. 3 is the structural representation of the left frame body supporting transverse arm of the present invention;

Fig. 4 is the structural representation of the right frame body supporting cross arm of the present invention;

Fig. 5 is the structural schematic diagram of the middle frame body support arm of the present invention;

6 is a schematic structural diagram of the bottom of the lower cabin body support bracket of the present invention;

Fig. 7 is the structural schematic diagram of the middle cabin body support bracket of the present invention;

8 is a schematic structural diagram of the upper cabin body support bracket of the present invention;

9 is a schematic structural diagram of the connecting gusset I between the cabins in the embodiment of the present invention;

10 is a schematic structural diagram of the connecting angle plate II between the cabins in the embodiment of the present invention;

11 is a schematic structural diagram of the rear side bracket of the present invention.

Reference numerals: 1. Middle frame support arm, 101, Bending structure II, 102, Bending bracket, 2. Left frame body supporting transverse arm, 201, Bending structure I, 3. Connecting gussets between cabins, 4. Lower cabin body support bracket, 5. Middle cabin body support bracket, 501, Installation process bolt holes, 502, Thermal management unit mounting base, 6. Upper cabin body support bracket, 601, High voltage box and motor controller Fixing bracket, 602, HCU and low-voltage power distribution box fixing bracket, 603, DCDC fixing bracket, 7, Right frame support arm, 8. Frame cover, 801, Frame upper cover, 802, Frame left cover, 803 , The right cover of the frame, 9, the bolt fixing hole, 10, the standard hole of the frame, 11, the bolt hole.

Detailed ways

Specific examples are given below to further illustrate the technical solutions of the present invention in a clear, complete and detailed manner. This embodiment is the best embodiment based on the technical solution of the present invention, but the protection scope of the present invention is not limited to the following embodiments.

The present utility model will be further described in detail below with reference to FIGS. 1 to 9 and the embodiments.

A side-mounted high-voltage component integrated frame assembly for a truck, as shown in Figures 1 and 2, includes a left frame body support arm 2, a right frame body support arm 7, a middle frame body support arm 1, and a lower cabin body. Support bracket 4, middle cabin body support bracket 5, upper cabin body support bracket 6, connecting gussets between cabins 3, frame upper cover 801, frame front cover, frame left cover 802, frame right cover 803. The integrated frame is divided into a three-layer structure, including the power supply fixed cabin, the controller fixed cabin and the thermal management system fixed cabin.

The power supply fixed cabin is supported by the lower cabin support bracket 4 as the bottom support structure. The outer frame of the "Sun"-shaped structural support frame is provided with several bolt holes 11, which are fixedly connected to the fixing process holes of the power supply system through bolts, and the lower cabin support bracket 4 supports the transverse arm 2 with the left frame through bolts. , The right frame body support cross arm 7, the middle frame body support arm 1, and the connecting angle plate 3 between the cabin bodies are fixed to form a power supply fixed cabin body support structure;

The thermal management system fixed cabin is located above the power supply fixed cabin, and the middle of the integrated frame is supported by the middle cabin support bracket 5 as the bottom support structure, and the outer ring structure support frame supports the transverse arm 2 and the right frame through bolts and the left frame. The support cross arm 7 and the middle frame body support arm 1 are connected, and the installation process bolt holes 501 for placing the thermal management unit are provided on the middle cabin body support bracket 5 to realize the fixation and connection between the thermal management system and the support frame. ;

The middle cabin support bracket 5 is a "Tian"-shaped structural support frame. The support frame is provided with installation process bolt holes 501, and the connection position is provided with a reinforcing plate. The horizontal and vertical structural support arms are connected by a welding process to strengthen the The plate and the horizontal and vertical support arms are fully welded;

The controller fixing cabin is located at the top of the integrated frame, including the high voltage box and the motor controller fixing bracket 601, the HCU and the low voltage distribution box fixing bracket 602, the DCDC fixing bracket 603, the HCU and the low voltage distribution box fixing bracket 602 is fixed on the DCDC On the fixing bracket 603, the DCDC fixing bracket 603 is installed on the left frame body support cross arm 2 and the connecting angle plate 3 between the cabins, and the high-voltage box and the motor controller fixing bracket 601 are installed on the middle frame body support arm 1, all by bolts connect.

In order to realize the sealing of the integrated frame, bolts are used to realize the front cover of the frame, the upper cover 801 of the frame, the left cover 802 of the frame, the right cover 803 of the frame and the outer side of the connecting angle plate 3 between the cabins and the connecting angle plate 3 between the cabins. The connection between the top, the left frame body support arm 2, and the right frame body support arm surface is fixed to improve the overall durability and service life of the system.

The side-mounted high-voltage component integrated frame for trucks of the utility model adopts a frame-type design of a power supply fixed cabin, a controller fixed cabin and a thermal management system fixed cabin, and a power supply, a motor controller, a DC converter can be fixedly arranged inside the frame. components such as air conditioners, power inductors, air-conditioning liquid-cooling units, electric heating and water-heating units, etc., can realize centralized assembly of power supply system, high-voltage control system, thermal management system, etc. through integrated frame arrangement. The traditional distributed layout has the advantages of high structural strength, good manufacturability, light weight, and good electromagnetic compatibility, which can meet the requirements of vehicle production efficiency and performance.

A number of frame standard holes 10 and a number of bolt holes 11 are provided on the outside of the cabin support bracket.

As shown in FIG. 3 , the left frame body supporting arm 2 is an L-shaped plate composed of a horizontal plate and a vertical plate, including a two-layer bending structure I201, wherein the horizontal plate is parallel to the direction of the frame and vertically downward, And the bolt structure is used to connect with the standard hole 10 of the frame to realize the fixing of the frame on the frame. The vertical plate is perpendicular to the direction of the frame, and the upper and middle plates are respectively arranged on the horizontal plate and vertical plate of the left frame support arm. , The lower three rows of bolt holes 11 are used to realize the connection between the support arm and the lower cabin body support bracket 4, the middle cabin body support bracket 5, and the upper cabin body support bracket 6; in order to improve the structural strength, the right side of the horizontal plate The side end is a bending reinforcement structure; the vertical plate away from the bolt hole 11 adopts a hollow structure to reduce the overall weight of the integrated frame and facilitate wiring, and at the same time bend the bottom of the surface to the right to improve strength; on the left frame The left side of the body support surface is provided with a projection welding nut structure to realize the connection between the support arm and the left housing 802 of the frame body;

As shown in FIG. 4 , the structure of the right frame body supporting arm 7 includes a two-layer bending structure I201. The right frame body supporting arm 7 and the left frame body supporting arm 2 are different except for the hollowed-out weight-reducing structure. Symmetrical settings.

As shown in FIG. 5 , the middle frame support bracket includes a bending structure II 101 and a bending bracket 102 connected to the frame, and the middle frame support bracket is parallel to the length direction of the frame and vertically downwards. The bolt structure is fixed with the standard hole 10 of the frame; the bending structure II 101 is a "ji"-shaped bending structure, and there are two bending brackets 102, and the bending brackets 102 correspond to the lower cabin body support brackets Bolt holes 11 are provided at the positions of the frame 4 , the middle cabin body support bracket 5 and the upper cabin body support bracket 6 .

The cabin support bracket is respectively connected with the left frame support cross arm 2, the right frame support cross arm 7, the middle frame support arm 1, and the connecting angle plate 3 between the cabins through bolts. Bolt fixing holes 9 are connected.

Further, as shown in Fig. 6, the bottom of the lower cabin support bracket 4 is a "Sun"-shaped structural support frame, and its outer ring structure support frame has a bolt hole 11 structure, and the power supply system and the support bracket are realized by bolt connection. The structural support frame of the lower cabin body support bracket 4 is connected with the support transverse arm surface, the right frame body support transverse arm 7, the middle frame body support arm 1, and the connecting angle plate 3 between the cabin bodies.

Further, the "Sun"-shaped structural support frame and the protective plate are fixed by a spot welding process.

Further, as shown in FIG. 7 , bolt holes 11 are arranged on the outer ring structure support frame of the middle cabin body support bracket 5, which can realize the middle cabin body support bracket 5, the left frame body support arm 2, and the right frame body support arm. 7. Bolt connection between the support arms 1 of the middle cabin; the support frame of the support bracket 5 of the middle cabin has a mounting base 502 for the thermal management unit and an installation process bolt hole 501 for the installation and fixation of the thermal management unit. At the same time, it has the installation process bolt holes 501 and the installation plate of the inductance component, and also has the installation process bolt holes 501 and the installation plate of the PTC water heating heater.

Further, as shown in FIG. 8 , bolt holes 11 are arranged on the outer ring structural support frame of the upper cabin body support bracket 6, and the upper cabin body support frame and the left frame body support arm 2 and the right frame body support arm 7 are realized by bolts. , the middle frame body support arm 1 is fixed; the support frame body of the upper cabin body support frame is arranged with high voltage component installation process bolt holes 501, or has a high voltage component installation base.

The cabin support bracket includes the high-voltage box and the motor controller fixing bracket 601, the HCU and the low-voltage distribution box fixing bracket 602, and the DCDC fixing bracket 603. The HCU and the low-voltage distribution box fixing bracket 602 are fixed on the DCDC fixing bracket 603, and the DCDC is fixed. The bracket 603 is installed on the left frame body support arm 2 and the connecting angle plate 3 between the cabins. The high voltage box and the motor controller fixing bracket 601 are installed on the middle frame body support arm 1, and are connected by bolts.

As shown in Fig. 9 and Fig. 10 , the connecting gusset 3 between the cabins includes the connecting gusset I and the connecting gusset II between the cabins, and the connecting gusset 3 between the cabins is provided with bolt holes 11 One-to-one corresponding bolt fixing holes 9 are connected to the corresponding bolt holes 11 of the lower cabin body support bracket 4, the middle cabin body support bracket 5, and the upper cabin body support bracket 6 through bolts.

Further, as shown in FIG. 11 , it includes a rear side bracket, the rear side bracket is provided with a bolt hole 11 , the rear side bracket is connected with the middle frame support bracket through bolts, and the upper end is connected with the DCDC fixing bracket 603 through bolts , the lower end is connected with the support bracket of the middle frame body by bolts.

Further, the outer side of the connecting gusset 3 between the cabins, the top of the connecting gusset 3 between the cabins, the left side of the left frame body supporting cross arm 2 and the right side of the right frame body supporting arm surface. Both sides are provided with projection welding nut structures which are fitted with the frame cover 8 .

To sum up, the integrated frame of the side-mounted high-voltage components for trucks provided by the utility model integrates the power supply, the motor controller, the DC converter, the power inductor, the air-conditioning liquid-cooling unit, and the electric heating and water-heating unit, and installs the integrated frame. On the side of the longitudinal beam of the frame, the weight reduction of the frame is realized on the basis of ensuring the structural strength of the frame during the design process, so that the system has the advantages of high integration, high structural strength, light weight, good manufacturability and good electromagnetic compatibility.

It can be understood that, the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them.

In the description of this embodiment, the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which are only for convenience of description and simplified operation, rather than indicating Or imply that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a truck is with integrated frame assembly of side-hung high-pressure part, includes that left framework supports xarm (2), right framework supports xarm (7), middle framework support arm (1), cabin body support bracket and framework dustcoat (8), its characterized in that: the cabin body supporting bracket comprises a lower cabin body supporting bracket (4), a middle cabin body supporting bracket (5), an upper cabin body supporting bracket (6) and a cabin body connection angle plate (3), and the frame body outer cover (8) comprises a frame body upper outer cover (801), a frame body front outer cover, a frame body left outer cover (802) and a frame body right outer cover (803);

a plurality of frame standard holes (10) and a plurality of bolt holes (11) are arranged on the outer side of the cabin body supporting bracket;

the left frame body supporting cross arm (2) is an L-shaped plate composed of a horizontal plate and a vertical plate, the horizontal plate is parallel to the length direction of the frame and is connected with a standard hole (10) of the frame through a bolt structure; the vertical plate is vertical to the length direction of the frame, bolt fixing holes (9) which correspond to the bolt holes (11) one by one are formed in the vertical plate, and a rightward bending structure I (201) is arranged at the bottom of the vertical plate;

the middle frame body supporting bracket comprises a bending structure II (101) and a bending support (102) which are connected with the frame, is parallel to the length direction of the frame and vertically downward, and is fixed with a standard hole (10) of the frame through a bolt structure; the number of the bending brackets (102) is two, and bolt fixing holes (9) which correspond to the bolt holes (11) one by one are formed in the positions, corresponding to the cabin body supporting brackets, of the bending brackets (102);

the connecting angle plate (3) between the cabin bodies is provided with bolt fixing holes (9) which correspond to the bolt holes (11) one by one;

the cabin body supporting bracket is respectively connected with the left frame body supporting cross arm (2), the right frame body supporting cross arm (7), the middle frame body supporting arm (1) and a bolt fixing hole (9) of the cabin body connection angle plate (3) through bolts.

2. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 1, wherein: and the right frame body supporting cross arm (7) and the left frame body supporting cross arm (2) are both provided with a double-layer bending structure I (201).

3. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 2, wherein: the surface of the left frame body supporting cross arm (2) is provided with a hollow weight reducing structure and an inclined reinforcing structure with a high inside and a low outside.

4. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 3, wherein: the right frame body supporting cross arm (7) and the left frame body supporting cross arm (2) are symmetrically arranged except that hollow weight reducing structures are different.

5. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 1, wherein: lower cabin body support bracket (4) are including setting up "day" style of calligraphy structural support frame body and the guard plate of setting at the top in the bottom, the outer frame of "day" style of calligraphy structural support frame body is equipped with a plurality of bolt hole (11), through bolt and power supply system's fixed fabrication hole fixed connection.

6. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 1, wherein: the middle cabin body supporting bracket (5) is a supporting frame body with a structure like the Chinese character 'tian', mounting process bolt holes (501) are formed in transverse and longitudinal supporting arms of the middle cabin body supporting bracket (5), and the outer frame of the middle cabin body supporting bracket (5) is provided with a plurality of bolt holes (11).

7. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 6, wherein: and a heat management unit mounting base (502) is arranged on the middle cabin body supporting bracket (5).

8. The truck side-hung high-voltage component integrated frame assembly according to claim 1, characterized in that: the upper cabin body supporting bracket (6) comprises a high-voltage box, a motor controller fixing support (601), an HCU, a low-voltage distribution box fixing support (602) and a DCDC fixing support (603).

9. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 8, wherein: the HCU and low-voltage distribution box fixing support (602) is fixed on the DCDC fixing support (603), the DCDC fixing support (603) is fixedly connected with the left frame supporting cross arm (2) and the connection angle plate (3) between the cabins through bolts, and the high-voltage box and motor controller fixing support (601) is fixedly connected with the middle frame supporting arm (1) through bolts.

10. The truck-mounted side-hung high-voltage component integrated frame assembly according to claim 9, wherein: the outer side of the corner plate (3) is connected between the cabin bodies, the top of the corner plate (3) is connected between the cabin bodies, the left side of the left framework supporting cross arm (2) and the right side of the right framework supporting cross arm (7) are both provided with projection welding nut structures which are installed in a matched mode through the framework outer cover (8).

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