Commercial vehicle high-low voltage integrated system

Abstract

The utility model provides a commercial vehicle high-low voltage integrated system, which relates to the field of high-low voltage systems, and adopts the scheme that the commercial vehicle high-low voltage integrated system comprises a support plate and a protective shell, the support plate is arranged in the protective shell, a low-voltage storage battery is arranged on the support plate, and the low-voltage storage battery is arranged in the protective shell. A battery air conditioner is further arranged in the protective shell and located on the lower portion of the supporting plate, and a shutter is arranged at the position, corresponding to the battery air conditioner, of the protective shell. According to the utility model, the space utilization rate can be improved, and the occupation of a high-low pressure integrated system on the transverse mounting space of the frame is reduced.

Description

Technical Field

[0001] The utility model relates to the field of high and low voltage systems, in particular to a high and low voltage integrated system for commercial vehicles. Background Art

[0002] Hybrid commercial vehicles add a hybrid system to pure fuel vehicles. Related components include power batteries, battery air conditioners, low-voltage batteries, solenoid valves, electronic control systems, transmission control units, low-voltage distribution boxes, seven-way fuse boxes and other components. The components are messy and scattered, and the layout of the entire vehicle is difficult. Integrating the related components of the hybrid system within the limited vehicle layout space will be of great significance to the vehicle assembly process, wiring harness arrangement, and vehicle lightweighting. However, in the existing technology, the brackets used for integrated devices on hybrid commercial vehicles have a low degree of integration and are relatively poor in integration.

[0003] In the related technology, a hybrid system integration device is provided, including a welded and bolted welding bracket assembly, a battery fixing bracket, a high-voltage controller bracket, a low-voltage controller bracket and a battery air-conditioning bracket; wherein, the battery fixing bracket is arranged on one side of the length direction of the battery air-conditioning bracket; this technical solution can install power batteries, motor controllers, all-in-one controllers, vehicle controllers, low-voltage distribution boxes, battery management devices, battery air conditioners, and integrate the high and low voltage systems used in the hybrid system to facilitate the layout of hybrid vehicle models.

[0004] However, with the above technical solution, the battery air conditioner is arranged on one side of the battery, which greatly occupies the installation space in the length direction (horizontal) of the frame, while the vertical space utilization of the frame is low, which increases the difficulty of chassis layout. Utility Model Content

[0005] In order to solve the technical problem in the above-mentioned prior art that the integrated arrangement of high and low voltage systems occupies the lateral installation space of the frame, the utility model provides a high and low voltage integrated system for commercial vehicles, which can improve space utilization and reduce the occupation of the high and low voltage integrated system on the lateral installation space of the frame.

[0006] The technical solution adopted by the present invention to solve the above technical problems is: a high and low voltage integrated system for commercial vehicles, including a support plate and a protective shell, the support plate is arranged inside the protective shell, a low-voltage battery is arranged on the support plate, a battery air conditioner is also provided inside the protective shell and is located at the lower part of the support plate, and a shutter is provided on the protective shell at a position corresponding to the battery air conditioner.

[0007] The utility model divides the space inside the protective shell into two layers, an upper layer and an lower layer, by arranging a support plate, which facilitates the layout of the battery air conditioner at the lower part of the low-voltage battery, improves the vertical space utilization, reduces the space occupied in the length direction of the frame, and facilitates the chassis layout. At the same time, shutters are arranged to facilitate heat exchange of the battery air conditioner.

[0008] Furthermore, the support plate is vertically provided with a plurality of long screws, and the upper portions of the long screws are detachably connected to corresponding horizontally provided battery pressure rods, and the battery pressure rods are tightly pressed against the upper surface of the low-voltage battery.

[0009] The utility model can improve the positioning strength of the low-voltage battery through the cooperation of the long screw and the battery pressure rod, thereby preventing the low-voltage battery from moving.

[0010] Furthermore, the cross section of the battery pressure rod is a U-shaped structure, and the battery pressure rod is provided with a vehicle controller, a transmission controller and a fuse box.

[0011] Furthermore, four connecting seats are symmetrically arranged on the lower surface of the support plate, and the connecting seat is an L-shaped structure. The connecting seat includes a connecting end one and a connecting end two. The connecting end one is bolted to the support plate, and the connecting end two is bolted to the protective shell.

[0012] The utility model realizes the connection between the support plate and the protective shell through the connecting seat of the L-shaped structure, and the connection reliability is high.

[0013] Furthermore, a mounting plate is provided on the upper surface of the support plate and close to the protective shell. The mounting plate is in an L-shaped structure. A low-voltage distribution box is provided on the side of the mounting plate away from the low-voltage battery.

[0014] The utility model arranges the low-voltage distribution box on the upper layer and close to the protective shell, which is convenient for maintenance.

[0015] Furthermore, two support rods are relatively arranged inside the protective shell, and the support rods are connected to the lower part of the battery air conditioner.

[0016] Furthermore, the support rod has a U-shaped structure, and the support rod includes a reinforcement portion and connecting portions at both ends, the connecting portions are bolted to the protective shell, and the cross-section of the reinforcement portion has an inverted U-shaped structure.

[0017] The utility model arranges the support rod into a U-shaped structure, which is convenient for connection and has high strength.

[0018] Furthermore, the protective shell includes a left sealing plate, a right sealing plate, an air-conditioning sealing plate and an upper sealing plate. The middle parts of the left sealing plate and the right sealing plate are respectively connected to the corresponding connecting end two, and the lower parts of the left sealing plate and the right sealing plate are respectively connected to the corresponding connecting parts. The air-conditioning sealing plate is arranged opposite to the battery air conditioner, and the louver is arranged on the air-conditioning sealing plate. The upper sealing plate has an L-shaped structure, and the upper sealing plate includes sealing part one and sealing part two. The sealing part two is located at the upper part of the air-conditioning sealing plate and is arranged opposite to the low-voltage distribution box.

[0019] The utility model can expose more internal components after removing the upper sealing plate by splitting the protective shell into a left sealing plate, a right sealing plate, an air-conditioning sealing plate and an L-shaped upper sealing plate, thereby facilitating maintenance of the internal components.

[0020] Furthermore, two reinforcing rods 1 are relatively arranged between the left sealing plate and the upper part of the right sealing plate, and the reinforcing rod 1 is an inverted U-shaped structure. The sealing part 1 is detachably connected to the reinforcing rod 1, and a reinforcing rod 2 is provided on the support plate. A corresponding reinforcing rod 3 is provided on the outer side of the support rod. The air-conditioning sealing plate is detachably connected to the reinforcing rod 2 and the reinforcing rod 3, and the sealing part 2 is detachably connected to the reinforcing rod 2.

[0021] The utility model provides reinforcing rods 1, 2 and 3, which, on the one hand, enhance the supporting strength of the protective shell to achieve effective protection, and on the other hand, facilitate the disassembly and assembly of the upper sealing plate and the air conditioning sealing plate to achieve maintenance of internal components.

[0022] Furthermore, the left cover plate and the right cover plate are provided with flanges on one side close to the frame, the outer side of the flanges are connected to the frame connecting frame through connecting bolts, and a reinforcing plate is provided on the inner side of the flanges at a position opposite to the frame connecting frame, and the connecting bolts pass through the reinforcing plate.

[0023] The utility model can enhance the strength of the corresponding position of the flange by arranging the reinforcing plate, thereby enhancing the connection strength with the vehicle frame connecting frame.

[0024] It can be seen from the above technical solutions that the present invention has the following advantages:

[0025] The utility model provides a high and low voltage integrated system for commercial vehicles, which divides the space in the protective shell into two layers, the upper and lower layers, by setting a support plate, so that the battery air conditioner is arranged at the lower part of the low-voltage battery, thereby improving the space utilization in the vertical direction, reducing the occupation of the space in the length direction of the frame, and facilitating the layout of the chassis. At the same time, louvers are arranged to facilitate the heat exchange of the battery air conditioner; the cooperation of the long screw and the battery pressure rod can improve the positioning strength of the low-voltage battery and prevent the low-voltage battery from moving; the connection between the support plate and the protective shell is realized by the connecting seat of the L-shaped structure, and the connection reliability is high; the low-voltage distribution box is arranged on the upper layer and close to the protective shell By arranging the support rod into a U-shaped structure, it is convenient for connection and has high strength; by splitting the protective shell into a left sealing plate, a right sealing plate, an air-conditioning sealing plate and an L-shaped upper sealing plate, more internal components can be exposed after removing the upper sealing plate, which is convenient for maintenance of the internal components; by arranging the reinforcing rod one, the reinforcing rod two and the reinforcing rod three, on the one hand, the supporting strength of the protective shell is enhanced to achieve effective protection, and on the other hand, it is convenient for disassembly and assembly of the upper sealing plate and the air-conditioning sealing plate to achieve maintenance of the internal components; by arranging the reinforcing plate, the strength of the corresponding position of the flange can be enhanced, thereby enhancing the connection strength with the frame connecting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for the description. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 This is a schematic diagram of the structure of a specific embodiment of the utility model Figure 1 .

[0028] Figure 2 This is a schematic diagram of the structure of a specific embodiment of the utility model Figure 2 .

[0029] Figure 3 This is a structural diagram of a specific embodiment of the utility model after removing the upper sealing plate and the air conditioning sealing plate.

[0030] Figure 4 This is a schematic diagram of the structure after removing the protective shell in a specific embodiment of the utility model.

[0031] Figure 5 It is a schematic diagram of the assembly structure of the support plate, support rod, mounting plate and battery pressure rod in a specific embodiment of the present utility model.

[0032] In the figure, 1. Left sealing plate; 2. Upper sealing plate; 201. Sealing part 1; 202. Sealing part 2; 3. Air conditioning sealing plate; 4. Reinforcement plate; 5. Right sealing plate; 6. Battery pressure rod; 7. Mounting plate; 8. Low-voltage battery; 9. Vehicle controller; 10. Transmission controller; 11. Solenoid valve; 12. Fuse box; 13. Low-voltage distribution box; 14. Battery air conditioner; 15. Support rod; 16. Long screw; 17. Connecting plate; 18. Support plate; 19. Connecting seat; 20. Frame connecting frame; 21. Reinforcement rod 1; 22. Reinforcement rod 2; 23. Reinforcement rod 3. DETAILED DESCRIPTION

[0033] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings in the specific embodiments. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this patent.

[0034] like Figures 1 to 4 As shown, this specific embodiment provides a high-low voltage integrated system for a commercial vehicle, including a support plate 18, a protective shell, a low-voltage battery 8 and a battery air conditioner 14; the support plate 18 is arranged inside the protective shell, and the low-voltage battery 8 is arranged on the support plate 18. The battery air conditioner 14 is also arranged inside the protective shell and is located at the lower part of the support plate 18, and a shutter is provided on the protective shell at a position corresponding to the battery air conditioner 14.

[0035] This specific embodiment divides the space inside the protective shell into two layers, upper and lower, by providing a support plate 18, which facilitates the layout of the battery air conditioner 14 at the lower part of the low-voltage battery 8, improves the vertical space utilization, reduces the space occupied in the length direction of the frame, and facilitates chassis layout. At the same time, shutters are provided to facilitate heat exchange of the battery air conditioner 14.

[0036] like Figures 3 to 5 As shown, in this specific embodiment, in order to fasten the low-voltage battery 8, the support plate 18 is vertically provided with multiple long screws 16, and the multiple long screws 16 are arranged on both sides of the low-voltage battery 8. The upper part of the long screw 16 is detachably connected to the corresponding horizontally arranged battery pressure rod 6, and the battery pressure rod 6 is tightly pressed on the upper surface of the low-voltage battery 8; in this specific embodiment, there are two low-voltage batteries 8, and six long screws 16 are symmetrically arranged in a 2×3 layout, and two battery pressure rods 6 are provided.

[0037] like Figures 3 to 5As shown, in order to enhance the integration and modularity of the system, the cross-section of the battery pressure rod 6 is a U-shaped structure, and the battery pressure rod is provided with a vehicle controller 9, a transmission controller 10 and a fuse box 12. Specifically, one of the battery pressure rods 6 is bolted with two connecting plates 17, and the vehicle controller 9 and the transmission controller 10 are arranged on the corresponding connecting plates 17. The other battery pressure rod 6 is provided with a connecting plate 17, which is provided with a fuse box 12; preferably, a mounting plate 7 is provided on the upper surface of the support plate 18 and close to the protective shell, and the mounting plate 7 is L-shaped and provided with a reinforcing rib plate. A low-voltage distribution box 13 is provided on the side of the mounting plate 7 away from the low-voltage battery 8. In this specific embodiment, the low-voltage distribution box 13 is arranged on the upper layer and close to the protective shell for easy maintenance.

[0038] like Figures 3 to 5 As shown, in order to improve the strength of this system, in this specific embodiment, four connecting seats 19 are symmetrically arranged on the lower surface of the support plate 18, and the connecting seat 19 has an L-shaped structure. The connecting seat 19 includes a connecting end one and a connecting end two. The connecting end one is bolted to the support plate 18, and the connecting end two is bolted to the protective shell. By setting the connecting seat 19 to connect with the protective shell, the gravity of the low-voltage battery 8 is transmitted from the support plate 18 to the protective shell, and the L-shaped connecting seat 19 can optimize the force transmission between the support plate 18 and the protective shell to avoid connection deformation and failure; two support rods 15 are relatively arranged inside the protective shell, and the support rod 15 is bolted to the lower part of the battery air conditioner 14. The support rod 15 has the function of bearing the gravity of the battery air conditioner 14. As a preferred embodiment, the support rod 15 has a U-shaped structure, and the support rod 15 includes a reinforcement part and connecting parts at both ends. The connecting part is bolted to the protective shell, and the cross-section of the reinforcement part is an inverted U-shaped structure, and the reinforcement part is bolted to the battery air conditioner 14.

[0039] like Figures 1 to 5As shown, in this specific embodiment, the protective shell can adopt the following structure: the protective shell includes a left sealing plate 1, a right sealing plate 5, an air-conditioning sealing plate 3 and an upper sealing plate 2, the middle of the left sealing plate 1 and the right sealing plate 5 are respectively connected to the two connecting ends of the corresponding connecting seat 19 with bolts, and the lower parts of the left sealing plate 1 and the right sealing plate 5 are respectively connected to the connecting parts of the corresponding support rods 15 with bolts, the air-conditioning sealing plate 3 is arranged opposite to the battery air conditioner 14, and the air-conditioning sealing plate 3 is provided with shutters, and the upper sealing plate 2 is an L-shaped structure, the upper sealing plate 2 includes a sealing part 1 201 and a sealing part 2 202, and the sealing part 202 is located on the upper part of the air-conditioning sealing plate 3 and is arranged opposite to the low-voltage distribution box 13, and the sealing part 1 201 is opposite to the low-voltage battery 8. By splitting the protective shell into the left sealing plate 1, the right sealing plate 5, the air-conditioning sealing plate 3 and the L-shaped upper sealing plate 2, more internal components can be exposed after removing the upper sealing plate 2, which is convenient for cleaning the internal components. Parts are maintained; as a preferred embodiment, two reinforcing rods 21 are relatively arranged between the left sealing plate and the upper part of the right sealing plate, and the reinforcing rod 21 is an inverted U-shaped structure. The sealing part 201 is detachably connected to the reinforcing rod 21 by bolts, and the support plate 18 is connected to the reinforcing rod 22 by its own flanging bolts (the reinforcing rod 2 is only provided at one end), and the corresponding reinforcing rod 3 23 is provided on the outside of the support rod 15 (the reinforcing rod 3 is only provided on the support rod 15 at one end), the air-conditioning sealing plate 3 is detachably connected to the reinforcing rod 22 and the reinforcing rod 3 23 by bolts, and the sealing part 202 is detachably connected to the reinforcing rod 22 by bolts. By arranging the reinforcing rod 1 21, the reinforcing rod 22 and the reinforcing rod 3 23, on the one hand, the supporting strength of the protective shell is enhanced to achieve effective protection, and on the other hand, it is convenient to disassemble and assemble the upper sealing plate 2 and the air-conditioning sealing plate 3 to achieve maintenance of internal components.

[0040] like Figure 2 and Figure 3 As shown, the system is installed on one side of the frame. In order to achieve a reliable connection with the frame, in this specific embodiment, the left cover plate 1 and the right cover plate 5 are provided with flanges on the side close to the frame, and the outer side of the flange is connected to the frame connecting frame 20 by connecting bolts, and a reinforcing plate 4 is provided on the inner side of the flange at a position opposite to the frame connecting frame 20, and the connecting bolts pass through the reinforcing plate 4; by providing the reinforcing plate 4, the strength of the corresponding position of the flange can be enhanced, thereby enhancing the connection strength with the frame connecting frame 20.

[0041] like Figure 4 As shown, in this specific embodiment, heat dissipation holes are further provided on the support plate 18 and the left sealing plate 1 , weight reduction holes are provided on the support rod 15 , and a solenoid valve 11 is provided on the inner wall of the right sealing plate 5 .

[0042] From the above specific embodiments, it can be seen that the present invention has the following beneficial effects:

[0043] 1. By providing a support plate 18, the space inside the protective shell is divided into two layers, the upper and lower layers, which facilitates the layout of the battery air conditioner 14 under the low-voltage battery 8, improves the vertical space utilization, reduces the space occupied in the longitudinal direction of the frame, and facilitates the chassis layout. At the same time, the blinds are provided to facilitate heat exchange of the battery air conditioner 14;

[0044] 2. The cooperation between the long screw 16 and the battery pressure rod 6 can improve the positioning strength of the low-voltage battery 8 and prevent the low-voltage battery 8 from moving;

[0045] 3. The support plate 18 and the protective shell are connected through the L-shaped connecting seat 19, which has high connection reliability;

[0046] 4. The low-voltage distribution box 13 is placed on the upper layer and close to the protective shell for easy maintenance;

[0047] 5. By setting the support rod 15 into a U-shaped structure, it is easy to connect and has high strength;

[0048] 6. By separating the protective shell into the left cover plate 1, the right cover plate 5, the air conditioning cover plate 3 and the L-shaped upper cover plate 2, more internal components can be exposed after removing the upper cover plate 2, making it easier to maintain the internal components;

[0049] 7. By providing the reinforcing rod 1 21, the reinforcing rod 22 and the reinforcing rod 3 23, on the one hand, the supporting strength of the protective shell is enhanced to achieve effective protection, and on the other hand, it is convenient to disassemble and assemble the upper sealing plate 2 and the air conditioning sealing plate 3 to achieve maintenance of the internal components;

[0050] 8. The reinforcement plate 4 can be provided to enhance the strength of the corresponding position of the flange, thereby enhancing the connection strength with the vehicle frame connecting frame 20.

[0051] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high and low voltage integrated system for a commercial vehicle, comprising a support plate (18), characterized in that: It also includes a protective shell, the support plate (18) is arranged inside the protective shell, a low-voltage battery (8) is arranged on the support plate (18), a battery air conditioner (14) is also arranged inside the protective shell and is located at the lower part of the support plate (18), and a shutter is arranged at a position corresponding to the battery air conditioner (14) on the protective shell, and four connecting seats (19) are symmetrically arranged on the lower surface of the support plate (18), and the connecting seat (19) is an L-shaped structure. The connecting seat (19) includes a connecting end 1 and a connecting end 2, the connecting end 1 is bolted to the support plate (18), and the connecting end 2 is bolted to the protective shell, and a mounting plate (7) is arranged on the upper surface of the support plate (18) and close to the protective shell, and the mounting plate (7) A low-voltage distribution box (13) is provided on a side away from the low-voltage battery (8), and the protective shell includes a left sealing plate (1), a right sealing plate (5), an air-conditioning sealing plate (3) and an upper sealing plate (2). The middle parts of the left sealing plate (1) and the right sealing plate (5) are respectively connected to the corresponding second connection end, and the lower parts of the left sealing plate (1) and the right sealing plate (5) are respectively connected to the corresponding connection parts. The air-conditioning sealing plate (3) is arranged opposite to the battery air conditioner (14), and the louver is arranged on the air-conditioning sealing plate (3). The upper sealing plate (2) is an L-shaped structure, and the upper sealing plate (2) includes a sealing part 1 (201) and a sealing part 2 (202). The sealing part 2 (202) is located on the upper part of the air-conditioning sealing plate (3) and is arranged opposite to the low-voltage distribution box (13).

2. The commercial vehicle high and low voltage integrated system according to claim 1, characterized in that: The support plate (18) is vertically provided with a plurality of long screws (16), the upper portions of the long screws (16) being detachably connected to corresponding horizontally provided battery pressure rods (6), and the battery pressure rods (6) being tightly pressed against the upper surface of the low-voltage battery (8).

3. The commercial vehicle high and low voltage integrated system according to claim 2, characterized in that: The cross section of the battery pressure rod (6) is a U-shaped structure, and a vehicle controller (9), a transmission controller (10) and a fuse box (12) are provided on the battery pressure rod (6).

4. The commercial vehicle high and low voltage integrated system according to claim 3, characterized in that: The mounting plate (7) has an L-shaped structure.

5. The commercial vehicle high and low voltage integrated system according to claim 4, characterized in that: Two support rods (15) are arranged opposite to each other inside the protective shell, and the support rods (15) are connected to the lower part of the battery air conditioner (14).

6. The commercial vehicle high and low voltage integrated system according to claim 5, characterized in that: The support rod (15) has a U-shaped structure, comprising a reinforcement portion and connecting portions at both ends, the connecting portions being bolted to the protective shell, and a cross section of the reinforcement portion having an inverted U-shaped structure.

7. The commercial vehicle high and low voltage integrated system according to claim 6, characterized in that: Two reinforcing rods (21) are arranged relatively between the upper parts of the left sealing plate (1) and the right sealing plate (5), and the reinforcing rod (21) is an inverted U-shaped structure. The sealing part (201) is detachably connected to the reinforcing rod (21). The support plate (18) is provided with a reinforcing rod (22), and the outer side of the corresponding support rod (15) is provided with a reinforcing rod (23). The air conditioning sealing plate (3) is detachably connected to the reinforcing rod (22) and the reinforcing rod (23), and the sealing part (202) is detachably connected to the reinforcing rod (22).

8. The commercial vehicle high and low voltage integrated system according to claim 7, characterized in that: The left sealing plate (1) and the right sealing plate (5) are provided with flanges on the side close to the vehicle frame, the outer side of the flanges is connected to the vehicle frame connecting frame (20) via connecting bolts, and a reinforcing plate (4) is provided on the inner side of the flanges at a position opposite to the vehicle frame connecting frame (20), and the connecting bolts penetrate the reinforcing plate (4).

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