Compartment with composite structure

Abstract

The utility model relates to the technical field of carriages, and discloses a composite structure carriage which comprises a top structure and a side structure, the top structure comprises a top frame structure, a top outer layer plate and a top heat insulation plate, and a plurality of top rectangular cavities separated by the top frame structure are arranged between the top outer layer plate and the top heat insulation plate. Adjacent top rectangular cavities in the width direction of the carriage are transversely communicated, and a plurality of top heat dissipation holes communicated with the top rectangular cavities are formed in two top outer frames in the length direction of the top frame structure; the side structure comprises a side frame structure, a side outer layer plate and a side heat insulation plate, a plurality of side rectangular cavities separated by the side frame structure are formed between the side outer layer plate and the side heat insulation plate, and the adjacent side rectangular cavities in the height direction of the carriage are longitudinally communicated; the carriage with the composite structure solves the problem that an existing carriage is poor in heat dissipation effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a car body technical field, concretely relates to a composite structure car body. BACKGROUND

[0002] The existing car body has two kinds, one is to adopt the composite board, contains the skeleton and the foam heat insulation material press forming in the inside, adopts the high strength of metal skeleton but is difficult to effectively block the thermal bridge, adopts the weight of non-metal skeleton and is difficult to control, the single piece board structure is strong but the connecting strength between the board and the board is poor, and the overall performance of the car body is not good. The other is the cage type structure, fills the heat insulation material in the inside, and then makes the inner layer board, and the strength is high, and the overall performance is good, but the heat insulation and heat dissipation effect is not good. The two kinds of structures are difficult to effectively block the thermal bridge. SUMMARY

[0003] The utility model discloses a composite structure car body to solve at least one above-mentioned problem existing in the prior art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A composite structure car body, including top structure and side structure, the top structure includes top frame structure, top outer layer board and top heat insulation board, and there is a plurality of top rectangular cavities between the top outer layer board and the top heat insulation board, which are separated by the top frame structure, and the adjacent top rectangular cavities in the width direction of the car body are transversely communicated, and a plurality of top heat dissipation holes communicated with the top rectangular cavities are arranged on the two top outer frames in the length direction of the top frame structure.

[0006] The side structure includes side frame structure, side outer layer board and side heat insulation board, and a plurality of side rectangular cavities are arranged between the side outer layer board and the side heat insulation board, which are separated by the side frame structure, and the adjacent side rectangular cavities in the height direction of the car body are longitudinally communicated.

[0007] The side rectangular cavities are communicated with the top rectangular cavities at the position close to the top structure, or a plurality of side heat dissipation holes communicated with the side rectangular cavities are arranged on the upper end outer frame of the side frame structure.

[0008] The technical scheme, the top frame structure and the side frame structure are combined to form the cage type frame with high structural strength. Since there is a plurality of top rectangular cavities between the top outer layer board and the top heat insulation board, which are separated by the top frame structure, and the adjacent top rectangular cavities in the width direction of the car body are transversely communicated, the plurality of top rectangular cavities adjacent in the width direction form the cavity with transverse air flow, and a plurality of top heat dissipation holes communicated with the top rectangular cavities are arranged on the two top outer frames in the length direction of the top frame structure, which is more conducive to the transverse heat dissipation of the plurality of transversely penetrating top rectangular cavities.

[0009] Due to the plurality of side rectangular cavities separated by the side frame structure between the side outer layer plate and the side heat insulation plate, the adjacent side rectangular cavities in the vehicle compartment height direction are longitudinally communicated, that is, the side rectangular cavities are vertically through, and the side rectangular cavities are communicated with the top rectangular cavities at the position close to the top structure, so that the heat dissipation in the side rectangular cavities can be realized through the top heat dissipation holes; or a plurality of side heat dissipation holes are arranged on the upper end outer frame of the side frame structure and communicated with the side rectangular cavities, so that the heat dissipation of the side rectangular cavities can be realized independently, and the air flow from bottom to top is formed in the heat dissipation state of the side rectangular cavities, so that effective heat dissipation is realized.

[0010] In summary, the top rectangular cavities in transverse communication are combined with the top heat dissipation holes in the technical scheme, so that the transverse air flow is generated in the top structure and transverse heat dissipation is realized; at the same time, the side rectangular cavities in longitudinal communication are combined with the communication with the top rectangular cavities or the independently arranged side heat dissipation holes, so that the longitudinal air flow from bottom to top is generated in the side structure and longitudinal heat dissipation is realized, and the heat generated in the whole composite structure vehicle compartment can be effectively discharged, so that the overall heat dissipation effect is improved.

[0011] Further, the top frame structure includes a top cross beam and a top longitudinal beam, the upper end surface of the top cross beam is higher than the upper end surface of the top longitudinal beam, the top outer layer plate is fixedly installed on the upper end of the top cross beam, and the top longitudinal beam and the top outer layer plate have a top gap, and the adjacent top rectangular cavities in the vehicle compartment width direction are transversely communicated due to the top gap.

[0012] The side structure includes a side cross beam and a side longitudinal beam, the outer side surface of the side cross beam protrudes from the outer side surface of the side longitudinal beam, the side outer layer plate is fixedly installed on the outer side of the side cross beam, and the side longitudinal beam and the side outer layer plate have a side gap, and the adjacent side rectangular cavities in the vehicle compartment height direction are longitudinally communicated due to the side gap.

[0013] It should be noted that the top cross beam extends along the width direction of the vehicle compartment, the top longitudinal beam extends along the length direction of the vehicle compartment, and the top cross beam and the top longitudinal beam are arranged in a longitudinal and transverse staggered manner between the top outer layer plate and the top heat insulation plate; the side cross beam extends along the height direction of the vehicle compartment, the side longitudinal beam extends along the length direction of the vehicle compartment, and the side cross beam and the side longitudinal beam are arranged in a longitudinal and transverse staggered manner between the side outer layer plate and the side heat insulation plate.

[0014] The upper end face of the top cross beam is higher than the upper end face of the top longitudinal beam, the top outer plate is fixedly installed on the upper end of the top cross beam, the top longitudinal beam and the top outer plate have a top gap, and the top rectangular cavities adjacent in the width direction of the vehicle compartment are transversely communicated due to the top gap, so that the multiple top rectangular cavities adjacent in the width direction form a transversely-through air flow cavity, without special structural design on the top cross beam and the top longitudinal beam, only the installation end face is adjusted to be misaligned, and the structure is simple.

[0015] The outer side of the side cross beam protrudes from the outer side of the side longitudinal beam, the side outer plate is fixedly installed on the outer side of the side cross beam, the side longitudinal beam and the side outer plate have a side gap, and the side rectangular cavities adjacent in the height direction are longitudinally communicated due to the side gap, the side gap is small, a chimney effect is generated in the heat dissipation state, an air flow from bottom to top is formed, and effective heat dissipation is achieved.

[0016] Further, in order to ensure the stability of the cross beam and the longitudinal beam structure and the convenience of installation, the thickness of the top cross beam is greater than the thickness of the top longitudinal beam, a plurality of top perforations are arranged on the top cross beam at intervals, and the top longitudinal beam sequentially passes through corresponding top perforations on the plurality of top cross beams.

[0017] It should be noted that the top cross beam and the top longitudinal beam can also be connected through a mortise and tenon structure.

[0018] Further, in order to better install the top outer plate, the top cross beam and the top longitudinal beam, the top outer frame comprises a lower edge connecting portion and an upper edge connecting portion which extend towards the inner side in a transverse direction, the lower edge connecting portion is fixedly connected with the edge of the top heat insulation plate, the inner side of the upper edge connecting portion is fixedly connected with the end of the top cross beam or the top longitudinal beam, and the outer side of the upper edge connecting portion is fixedly connected with the top outer plate.

[0019] Further, in order to better install the top outer plate, the top cross beam and the top longitudinal beam, the upper edge connecting portion has an L-shaped folded edge, the inner side of the horizontal section of the L-shaped folded edge is fixedly connected with the end of the top cross beam or the top longitudinal beam, and the outer side of the horizontal section of the L-shaped folded edge is fixedly connected with the top outer plate.

[0020] Further, in order to improve the aesthetic degree of the interior of the vehicle compartment, the inner side of the top heat insulation plate and the inner side of the side heat insulation plate are provided with a decorative layer.

[0021] Further, in order to better utilize solar energy, the top outer layer plate or the side outer layer plate is a photovoltaic panel. It should be noted that the photovoltaic panel itself generates heat, and the technical solution can achieve good heat dissipation effect even if the photovoltaic panel is installed.

[0022] Further, in order to facilitate the installation of the specific structure, the top cross beam, the top longitudinal beam, the side cross beam and the side longitudinal beam are hollow beams, a plurality of mounting holes are arranged on the top cross beam, the top longitudinal beam, the side cross beam and the side longitudinal beam, the mounting holes are used for mounting a welding nut or a rivet nut, the welding nut or the rivet nut is connected with a fixing screw, the top heat insulation plate and the side heat insulation plate are cold storage plates, and the fixing screw is a mushroom nail special for cold storage.

[0023] Further, in order to make the top structure have better heat insulation and heat dissipation effect, the lower end of the top cross beam is provided with an intermediate plate, the intermediate plate and the top outer layer plate form an upper cavity and a lower cavity respectively, a circumferential space is left between the intermediate plate and the top outer frame, the heat dissipation holes are communicated with the circumferential space, and the circumferential space is communicated with the upper cavity and the lower cavity.

[0024] The upper cavity and the lower cavity constitute double-layer cavities, two temperature cavities are formed, that is, the temperature of the upper cavity is relatively high, and the temperature of the lower cavity is relatively low, the high temperature can be partially isolated through the intermediate plate, and the heat insulation and heat dissipation effect is further improved.

[0025] Further, in order to achieve better heat dissipation effect, heat dissipation fans for strengthening air circulation are arranged in the top rectangular cavities and the side rectangular cavities. Specifically, a temperature control turbine heat dissipation fan can be selected.

[0026] The beneficial effects of the utility model are as follows: the technical solution combines the top frame structure and the side frame structure to form a cage type frame with high structural strength. Since the top outer layer plate and the top heat insulation plate are separated by the top frame structure and have a plurality of top rectangular cavities, the adjacent top rectangular cavities in the width direction of the carriage are transversely communicated, so that the plurality of top rectangular cavities in the width direction are transversely communicated to form a cavity for air circulation, a plurality of top heat dissipation holes are arranged on the two top outer frames in the length direction of the top frame structure and communicated with the top rectangular cavities, and the top heat dissipation holes are more conducive to the transverse heat dissipation of the plurality of transversely communicated top rectangular cavities.

[0027] Due to the plurality of side rectangular cavities separated by the side frame structure between the side outer layer plate and the side heat insulation plate, the adjacent side rectangular cavities in the vehicle compartment height direction are longitudinally communicated, that is, the side rectangular cavities are vertically through, and the side rectangular cavities are communicated with the top rectangular cavities at the position close to the top structure, so that the heat dissipation in the side rectangular cavities can be realized through the top heat dissipation holes; or a plurality of side heat dissipation holes for communicating with the side rectangular cavities are arranged on the upper end outer frame of the side frame structure, so that the side rectangular cavities can be individually heat dissipated, and the air flow from bottom to top is formed in the heat dissipation state of the side rectangular cavities, so that effective heat dissipation is realized.

[0028] In summary, the top rectangular cavities in transverse communication are combined with the top heat dissipation holes in the technical scheme, so that the transverse air flow is generated in the top structure and transverse heat dissipation is realized; meanwhile, the side rectangular cavities in longitudinal communication are combined with the communication with the top rectangular cavities or the separately arranged side heat dissipation holes, so that the longitudinal air flow from bottom to top is generated in the side structure and longitudinal heat dissipation is realized, and the heat generated in the composite structure vehicle compartment can be effectively discharged as a whole, and the overall heat dissipation effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic view of the utility model;

[0030] Figure 2 It is a top view structural schematic view of the hidden part structure of the utility model;

[0031] Figure 3 It is a side view structural schematic view of the hidden part structure of the utility model;

[0032] Figure 4 It is a local enlarged structural schematic view of the top structure part structure in the utility model;

[0033] Figure 5 It is a local enlarged structural schematic view of the top outer frame in the utility model;

[0034] Figure 6 It is a local enlarged structural schematic view of the top structure in the utility model;

[0035] Figure 7 It is a structural schematic view of the top structure in the utility model;

[0036] Figure 8 It is a local enlarged structural schematic view of the side structure in the utility model.

[0037] In the diagram: 1. Top crossbeam; 2. Top longitudinal beam; 3. Top outer plate; 4. Top heat insulation plate; 5. Top outer frame; 6. Top rectangular cavity; 7. Top heat dissipation hole; 8. Side crossbeam; 9. Side longitudinal beam; 10. Side outer plate; 11. Side heat insulation plate; 12. Upper outer frame; 13. Side rectangular cavity; 14. Side heat dissipation hole; 15. Top perforation; 16. Side perforation; 17. Upper edge connection; 18. Lower edge connection; 19. L-shaped fold; 20. Middle plate; 21. Upper cavity; 22. Lower cavity; 23. Circumferential space; 24. Decorative layer. Detailed Implementation

[0038] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.

[0039] Example 1:

[0040] like Figures 1-8 As shown, this embodiment provides a composite structure carriage, including a top structure and a side structure. The top structure includes a top frame structure, a top outer layer plate 3 and a top heat insulation plate 4. There are multiple top rectangular cavities 6 separated by the top frame structure between the top outer layer plate 3 and the top heat insulation plate 4. Adjacent top rectangular cavities 6 in the width direction of the carriage are laterally connected. The two top outer frames 5 in the length direction of the top frame structure are provided with a number of top heat dissipation holes 7 that communicate with the top rectangular cavities 6.

[0041] The side structure includes a side frame structure, a side outer layer 10 and a side heat insulation plate 11. The side outer layer 10 and the side heat insulation plate 11 have multiple side rectangular cavities 13 separated by the side frame structure. Adjacent side rectangular cavities 13 are longitudinally connected in the height direction of the carriage.

[0042] The side rectangular cavity 13 is connected to the top rectangular cavity 6 near the top structure; or, the upper outer frame 12 of the side frame structure is provided with a number of side heat dissipation holes 14 that are connected to the side rectangular cavity 13.

[0043] The technical scheme combines the top frame structure and the side frame structure to form a cage frame with high structural strength. Since the top outer plate 3 and the top heat insulation plate 4 have a plurality of top rectangular cavities 6 separated by the top frame structure, the adjacent top rectangular cavities 6 in the width direction of the vehicle compartment are transversely communicated, so that the adjacent top rectangular cavities 6 in the width direction form a cavity for transversely flowing air, and the top frame structure is provided with a plurality of top heat dissipation holes 7 communicating with the top rectangular cavities 6 on the two top outer frames 5 in the length direction, which is more conducive to the transverse heat dissipation of the plurality of transversely penetrating top rectangular cavities 6.

[0044] Since the side outer plate 10 and the side heat insulation plate 11 have a plurality of side rectangular cavities 13 separated by the side frame structure, the adjacent side rectangular cavities 13 in the height direction of the vehicle compartment are longitudinally communicated, that is, the side rectangular cavities 13 are vertically penetrated, and since the side rectangular cavities 13 are communicated with the top rectangular cavities 6 at the position close to the top structure, heat dissipation in the side rectangular cavities 13 can be achieved through the top heat dissipation holes 7, and the specific communication mode can be a hole in the shielding part between the top rectangular cavities 6 and the side rectangular cavities 13, and the specific hole position can be selected according to the situation; or the upper end outer frame 12 of the side frame structure is provided with a plurality of side heat dissipation holes 14 communicating with the side rectangular cavities 13, so that the side rectangular cavities 13 can be independently heat dissipated, and the side rectangular cavities 13 can form an air flow from bottom to top in the heat dissipation state, thereby achieving effective heat dissipation.

[0045] In summary, the technical scheme utilizes the transversely communicated top rectangular cavities 6 in combination with the top heat dissipation holes 7 to generate transverse air flow in the top structure and achieve transverse heat dissipation; at the same time, the longitudinally communicated side rectangular cavities 13 in combination with the communication with the top rectangular cavities 6 or the independently arranged side heat dissipation holes 14 can generate a longitudinal air flow from bottom to top in the side structure and achieve longitudinal heat dissipation, so that the heat generated in the composite structure vehicle compartment can be effectively discharged, thereby improving the overall heat dissipation effect.

[0046] Embodiment 2:

[0047] This embodiment is an optimization based on the above-mentioned embodiment 1.

[0048] The top frame structure includes a top cross beam 1 and a top longitudinal beam 2, the upper end surface of the top cross beam 1 is higher than the upper end surface of the top longitudinal beam 2, the top outer plate 3 is fixedly installed on the upper end of the top cross beam 1, the top longitudinal beam 2 and the top outer plate 3 have a top gap, and the adjacent top rectangular cavities 6 in the width direction of the vehicle compartment are transversely communicated due to the top gap;

[0049] The side structure comprises a side cross beam 8 and a side longitudinal beam 9, the outer side of the side cross beam 8 protrudes from the outer side of the side longitudinal beam 9, the side outer layer plate 10 is fixedly installed on the outer side of the side cross beam 8, and the side longitudinal beam 9 and the side outer layer plate 10 have a side gap, and the side rectangular cavities 13 adjacent in the height direction of the vehicle compartment are longitudinally communicated due to the side gap.

[0050] It should be noted that the top cross beam 1 extends along the width direction of the vehicle compartment, the top longitudinal beam 2 extends along the length direction of the vehicle compartment, the top cross beam 1 and the top longitudinal beam 2 are arranged in a staggered manner between the top outer layer plate 3 and the top heat insulation plate 4, the side cross beam 8 extends along the height direction of the vehicle compartment, the side longitudinal beam 9 extends along the length direction of the vehicle compartment, and the side cross beam 8 and the side longitudinal beam 9 are arranged in a staggered manner between the side outer layer plate 10 and the side heat insulation plate 11.

[0051] The top cross beam 1 and the top longitudinal beam 2 are arranged in a staggered manner between the top outer layer plate 3 and the top heat insulation plate 4, the top cross beam 1 extends along the width direction of the vehicle compartment, the top longitudinal beam 2 extends along the length direction of the vehicle compartment, the top outer layer plate 3 is fixedly installed on the upper end of the top cross beam 1, the top longitudinal beam 2 and the top outer layer plate 3 have a top gap, and the top rectangular cavities 6 adjacent in the width direction of the vehicle compartment are transversely communicated due to the top gap, so that the multiple top rectangular cavities 6 adjacent in the width direction form a cavity for transverse air flow, and special structural design is not required on the top cross beam 1 and the top longitudinal beam 2, and only the installation end face needs to be adjusted to be staggered, so that the structure is simple.

[0052] The side cross beam 8 and the side longitudinal beam 9 are arranged in a staggered manner between the side outer layer plate 10 and the side heat insulation plate 11, the side cross beam 8 extends along the height direction of the vehicle compartment, the side longitudinal beam 9 extends along the length direction of the vehicle compartment, the side outer layer plate 10 is fixedly installed on the outer side of the side cross beam 8, the side longitudinal beam 9 and the side outer layer plate 10 have a side gap, and the side rectangular cavities 13 adjacent in the height direction of the vehicle compartment are longitudinally communicated due to the side gap, and the side gap is small, so that a chimney effect is generated in a heat dissipation state to form an air flow from bottom to top, effective heat dissipation is achieved, and special structural design is not required on the side cross beam 8 and the side longitudinal beam 9, and only the installation end face needs to be adjusted to be staggered, so that the structure is simple.

[0053] Embodiment 3

[0054] This embodiment is an optimization based on the above-mentioned embodiment 2.

[0055] In order to ensure the stability of the cross beam and longitudinal beam structure and the convenience of installation, the thickness of the top cross beam 1 is greater than the thickness of the top longitudinal beam 2, a plurality of top perforations 15 are arranged on the top cross beam 1 at intervals, and the top longitudinal beam 2 sequentially passes through the corresponding top perforations 15 on the plurality of top cross beams 1; the thickness of the side cross beam 8 is greater than the thickness of the side longitudinal beam 9, a plurality of side perforations 16 are arranged on the side cross beam 8 at intervals, and the side longitudinal beam 9 sequentially passes through the corresponding side perforations 16 on the plurality of side cross beams 8.

[0056] It should be noted that the top cross beam 1 and the top longitudinal beam 2 can also be connected through a mortise and tenon structure.

[0057] Embodiment 4:

[0058] This embodiment is optimized on the basis of the above-mentioned embodiment 1.

[0059] In order to better realize the installation of the top outer layer plate 3, the top cross beam 1 and the top longitudinal beam 2, the top outer frame 5 comprises a lower edge connecting part 18 and an upper edge connecting part 17 extending towards the inner side, the lower edge connecting part 18 is fixedly connected with the edge of the top heat insulation plate 4, the inner side of the upper edge connecting part 17 is fixedly connected with the end of the top cross beam 1 or the top longitudinal beam 2, and the outer side of the upper edge connecting part 17 is fixedly connected with the top outer layer plate 3.

[0060] Embodiment 5:

[0061] This embodiment is optimized on the basis of the above-mentioned embodiment 4.

[0062] In order to better realize the installation of the top outer layer plate 3, the top cross beam 1 and the top longitudinal beam 2, the upper edge connecting part 17 has an L-shaped folded edge 19, the inner side of the horizontal section of the L-shaped folded edge 19 is fixedly connected with the end of the top cross beam 1 or the top longitudinal beam 2, and the outer side of the horizontal section of the L-shaped folded edge 19 is fixedly connected with the top outer layer plate 3.

[0063] Embodiment 6:

[0064] This embodiment is optimized on the basis of the above-mentioned embodiment 5.

[0065] In order to improve the aesthetic degree of the inside of the vehicle compartment, the inner side of the top heat insulation plate 4 and the side heat insulation plate 11 is provided with a decorative layer 24.

[0066] Embodiment 7:

[0067] This embodiment is optimized on the basis of the above-mentioned embodiment 5.

[0068] In order to better utilize solar energy to generate electricity, the top outer layer plate 3 or the side outer layer plate 10 is a photovoltaic panel. It should be noted that the photovoltaic panel itself will generate heat, and the present technical solution can achieve good heat dissipation effect even if the photovoltaic panel is installed.

[0069] Embodiment 8:

[0070] This embodiment is optimized on the basis of the above-mentioned embodiment 2.

[0071] In order to facilitate the installation of the specific structure, the top cross beam 1, the top longitudinal beam 2, the side cross beam 8 and the side longitudinal beam 9 are all hollow beams, and a plurality of mounting holes are arranged on the top cross beam 1, the top longitudinal beam 2, the side cross beam 8 and the side longitudinal beam 9 at intervals, the mounting holes are used for mounting welding nuts or rivet nuts, the welding nuts or the rivet nuts are connected with fixing screws, the top heat insulation plate 4 and the side heat insulation plate 11 are both cold storage plates, and the fixing screws are mushroom nails special for cold storage.

[0072] Embodiment 9:

[0073] The embodiment is optimized on the basis of the above-described embodiment 2.

[0074] In order to make the top structure have better heat insulation and heat dissipation effects, the lower end of the top cross beam 1 is provided with an intermediate plate 20, the intermediate plate 20 and the top outer plate 3 and the intermediate plate 20 and the top heat insulation plate 4 form an upper cavity 21 and a lower cavity 22 respectively, a circumferential space 23 is left between the intermediate plate 20 and the top outer frame 5, the heat dissipation hole 7 is communicated with the circumferential space 23, and the circumferential space 23 is communicated with the upper cavity 21 and the lower cavity 22.

[0075] The upper cavity 21 and the lower cavity 22 constitute double-layer cavities, two temperature cavities are formed, that is, the temperature of the upper cavity 21 is relatively high, and the temperature of the lower cavity 22 is relatively low, the high temperature can be partially isolated through the intermediate plate 20, and the heat insulation and heat dissipation effects are further strengthened.

[0076] Embodiment 10:

[0077] The embodiment is optimized on the basis of the above-described embodiment 5.

[0078] In order to achieve better heat dissipation effects, heat dissipation fans for strengthening air circulation are arranged in the top rectangular cavity 6 and the side rectangular cavity 13. Specifically, a temperature control turbine heat dissipation fan can be selected.

[0079] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A composite structural bed characterized by: The top structure comprises a top frame structure, a top outer layer plate and a top thermal insulation plate, and a plurality of top rectangular cavities are formed between the top outer layer plate and the top thermal insulation plate and are separated by the top frame structure, and adjacent top rectangular cavities in the vehicle width direction are transversely communicated, and a plurality of top heat dissipation holes are arranged on the two top outer edges of the top frame structure in the length direction and are communicated with the top rectangular cavities. The side structure comprises a side frame structure, a side outer layer plate and a side thermal insulation plate, and a plurality of side rectangular cavities are formed between the side outer layer plate and the side thermal insulation plate and are separated by the side frame structure, and adjacent side rectangular cavities in the vehicle height direction are longitudinally communicated. The side rectangular cavities are communicated with the top rectangular cavities at positions close to the top structure, or a plurality of side heat dissipation holes are arranged on the upper end outer edge of the side frame structure and are communicated with the side rectangular cavities.

2. A composite structural vehicle body as defined in claim 1, wherein: The top frame structure comprises a top cross beam and a top longitudinal beam, the upper end surface of the top cross beam is higher than the upper end surface of the top longitudinal beam, the top outer layer plate is fixedly installed on the upper end of the top cross beam, and the top longitudinal beam and the top outer layer plate have a top gap, and adjacent top rectangular cavities in the vehicle width direction are transversely communicated due to the top gap. The side structure comprises a side cross beam and a side longitudinal beam, the outer side of the side cross beam protrudes from the outer side of the side longitudinal beam, the side outer layer plate is fixedly installed on the outer side of the side cross beam, and the side longitudinal beam and the side outer layer plate have a side gap, and adjacent side rectangular cavities in the vehicle height direction are longitudinally communicated due to the side gap.

3. A composite structural vehicle body as defined in claim 2, wherein: The thickness of the top cross beam is greater than the thickness of the top longitudinal beam, a plurality of top perforations are arranged on the top cross beam at intervals, and the top longitudinal beam sequentially passes through corresponding top perforations on the plurality of top cross beams; the thickness of the side cross beam is greater than the thickness of the side longitudinal beam, a plurality of side perforations are arranged on the side cross beam at intervals, and the side longitudinal beam sequentially passes through corresponding side perforations on the plurality of side cross beams.

4. The composite structural vehicle body of claim 1, wherein: The top outer edge comprises a lower edge connecting portion and an upper edge connecting portion extending towards the inner side in the transverse direction, the lower edge connecting portion is fixedly connected with the edge of the top thermal insulation plate, the inner side of the upper edge connecting portion is fixedly connected with the end of the top cross beam or the top longitudinal beam, and the outer side of the upper edge connecting portion is fixedly connected with the top outer layer plate.

5. A composite structural vehicle body as defined in claim 4, wherein: The upper edge connecting portion has an L-shaped folded edge, the inner side of the horizontal section of the L-shaped folded edge is fixedly connected with the end of the top cross beam or the top longitudinal beam, and the outer side of the horizontal section of the L-shaped folded edge is fixedly connected with the top outer layer plate.

6. The composite structural vehicle bed defined in claim 1, wherein: The inner sides of the top thermal insulation plate and the side thermal insulation plate are provided with a decorative layer.

7. The composite structural vehicle bed of claim 1, wherein: The top outer layer plate or the side outer layer plate is a photovoltaic panel.

8. A composite structural bed as defined in claim 2, wherein: The top cross beam, the top longitudinal beam, the side cross beam and the side longitudinal beam are hollow beams, a plurality of mounting holes are arranged on the top cross beam, the top longitudinal beam, the side cross beam and the side longitudinal beam at intervals, the mounting holes are used for mounting a welding nut or a pull rivet nut, the welding nut or the pull rivet nut is connected with a fixing screw, the top thermal insulation plate and the side thermal insulation plate are cold storage plates, and the fixing screw is a mushroom nail special for cold storage.

9. A composite structural bed as defined in claim 2, wherein: The lower end of the top cross beam is provided with a middle plate, the middle plate and the top outer layer plate form an upper cavity and a lower cavity respectively, and a circumferential space is left between the middle plate and the top outer frame, the heat dissipation hole is communicated with the circumferential space, and the circumferential space is communicated with the upper cavity and the lower cavity.

10. The composite structural bed of claim 1, wherein: The top rectangular cavity and the side rectangular cavity are provided with temperature control turbine heat dissipation fans for strengthening air circulation.

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