CN220986053U - Novel composite material double-layer wind cavity structure - Google Patents
Novel composite material double-layer wind cavity structure Download PDFInfo
- Publication number
- CN220986053U CN220986053U CN202322168517.9U CN202322168517U CN220986053U CN 220986053 U CN220986053 U CN 220986053U CN 202322168517 U CN202322168517 U CN 202322168517U CN 220986053 U CN220986053 U CN 220986053U
- Authority
- CN
- China
- Prior art keywords
- wind cavity
- composite material
- bottom plate
- cavity
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 13
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 10
- 239000004917 carbon fiber Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000001465 metallisation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 13
- 238000001816 cooling Methods 0.000 description 9
- 238000009423 ventilation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A novel composite material double-layer wind cavity structure comprises a wind cavity bottom plate, wherein a plurality of hot air through holes are distributed on the wind cavity bottom plate, cross beams are arranged on two sides of the upper surface of the wind cavity bottom plate, lap joint belts for being electrically lapped with stand columns are arranged on the upper surface of the cross beams, a bracket mounting plate is arranged on a cover on the cross beams, a plurality of cold air through holes are distributed on the bracket mounting plate, and the bracket mounting plate, the cross beams and the wind cavity bottom plate enclose a wind cavity; and a wind cavity baffle plate which divides the wind cavity into a cold wind cavity at the upper layer and a hot wind cavity at the lower layer is arranged between the cross beams, one end part of the wind cavity baffle plate is bent upwards and is used for sealing one end of the cold wind cavity, and the other end part is bent downwards and is used for sealing one end of the hot wind cavity. The invention adopts the concept of composite material metallization, and solves the problem that the electronic equipment cannot realize electric lap joint due to the fact that the composite material does not have conductivity by adopting a lap joint belt mode.
Description
Technical Field
The utility model belongs to the technical field of cooling of airborne electronic equipment, and particularly relates to a novel composite material double-layer air cavity structure.
Background
The electronic equipment on the civil aircraft is generally and intensively arranged on the electronic equipment rack of the E-E cabin, and the electronic equipment generally meets the ARINC 600 requirement; the electronic equipment rack not only provides a fixed installation function for electronic equipment, but also provides functions of electric lap joint, ring control cooling and the like for the electronic equipment. Generally, the electronic equipment rack forms stable and low-impedance electrical lap joint with the aircraft structure so as to provide functions of electrostatic protection and the like for the electronic equipment; meanwhile, the electronic equipment rack is also required to be provided with an annular control system, the annular control system provides a unified annular control cooling interface for the electronic equipment, cold air is provided for the electronic equipment, hot air is pumped away, and the cooling function is realized, so that the working temperature E-E cabin of the electronic equipment of the airplane is ensured to meet the requirements.
Electronic equipment on an electronic equipment rack is generally electrically lapped with an aircraft body structure through a metal cross beam and a metal upright post, and a metal structural member is used as an electrical lapping path. In the early stage, a ring control pipeline 1 and a bracket 2 of electronic equipment are arranged in an aircraft electronic equipment rack, the ring control pipeline 1 and the bracket 2 are fixed on a cross beam 2, vent holes are formed in the ring control pipeline, and the electronic equipment on the bracket is cooled through air draft and air blast equipment of a ring control system, as shown in fig. 1.
In the prior art, in order to save space and reduce weight, a ring control pipeline is integrated into an electronic equipment rack and is integrated into a whole to form a cold and hot air cavity, and a front cross beam and a rear cross beam in the electronic equipment rack are combined with an air cavity panel to form a shelf of the electronic equipment rack. The shelf is used as a structure with integrated functional structure, so that not only is the electric lap joint requirement of the electronic equipment met, but also the cooling requirement of the electronic equipment is met. The metal shelf still realizes low-impedance electrical lap joint with the machine body structure through the metal cross beam and the metal upright post; the environmental control pipeline is integrated into the shelf and used as a cold and hot air distribution system, and is divided into a cold air cavity 4 and a hot air cavity 5, wherein the upper air cavity is the cold air cavity, and the lower air cavity is the hot air cavity. The brackets of the electronic equipment are arranged on the shelves, a plurality of shelves are arranged on the electronic equipment rack vertically, and the brackets are arranged between two adjacent shelves. Cold air enters the electronic equipment from the bottom of the electronic equipment along the cold air cavity of the shelf, hot air exhausted by the electronic equipment is pumped away by the hot air cavity of the shelf above the electronic equipment and is exhausted out of the cabin, and the schematic diagram of the single shelf and the bracket is shown in fig. 2.
The metal shelf is usually formed by riveting a hot air cavity blocking plate 6, a cold air cavity blocking plate 7, a wind cavity partition plate 8, a front cross beam 10, a rear cross beam 11 and a wind cavity bottom plate 9, as shown in fig. 3. The brackets, shelves, posts and body structure form a complete electrical lap joint path. Most of shelf parts are sheet metal parts, and due to the limitation of a sheet metal forming process method, the sheet metal parts are often provided with crack-stopping grooves, and gaps exist after assembly. In order to ensure the sealing effect and reduce leakage, the sealing agent is often used for carrying out surface-to-surface sealing on the joint surface of the sheet metal part in the assembly process, and the edge of the joint surface and the crack-stopping groove are filled with glue for sealing.
Because the metal shelf is made by riveting metal parts, the sealing quality after assembly is often influenced by various factors such as the planeness of the metal plate parts, the deformation of the parts in the riveting process, the riveting quality, the size of joint surface gaps between the parts, the sealing process operation and the like. The metal shelf is complex in assembly process, high in operation difficulty, poor in sealing effect and low in assembly efficiency, and finally leakage of the air cavity is increased. All parts of the metal shelf are connected together in a riveting mode, rivets which are mutually attached and used in a large amount are needed among the parts, and the weight of the wind cavity structure is increased.
Disclosure of utility model
In order to reduce the weight of the shelf, reduce the process difficulty, enhance the sealing effect and reduce ventilation leakage on the premise of meeting the electrical lap joint and environmental control requirements of the shelf, the utility model provides a novel composite material double-layer air cavity structure.
The aim of the utility model is realized by adopting the following technical scheme. The utility model provides a novel composite material double-layer wind cavity structure, which comprises a wind cavity bottom plate, wherein a plurality of hot air through holes are distributed on the wind cavity bottom plate, cross beams are arranged on two sides of the upper surface of the wind cavity bottom plate, lap joint belts for electrically lap joint with stand columns are arranged on the upper surface of the cross beams, bracket mounting plates are arranged on cover covers on the cross beams, a plurality of cold air through holes are distributed on the bracket mounting plates, and the bracket mounting plates, the cross beams and the wind cavity bottom plate enclose a wind cavity; and a wind cavity baffle plate which divides the wind cavity into a cold wind cavity at the upper layer and a hot wind cavity at the lower layer is arranged between the cross beams, one end part of the wind cavity baffle plate is bent upwards and is used for sealing one end of the cold wind cavity, and the other end part is bent downwards and is used for sealing one end of the hot wind cavity.
Furthermore, the lap joint belt and the bracket mounting plate are made of metal materials, and the cross beam, the air cavity bottom plate and the air cavity partition plate are made of carbon fiber composite materials.
Further, the contact parts of the cross beam, the air cavity bottom plate and the air cavity partition plate and the metal material are paved with medium-temperature cured glass fiber epoxy resin fabric prepreg.
Further, the other end of the hot air cavity is a hot air exhaust port and is connected with exhaust equipment, and the other end of the cold air cavity is a cold air supply port and is connected with blowing equipment.
Further, the upper surface of the wind cavity partition plate is provided with a heat insulation plate, and the heat insulation plate is formed by cutting heat insulation materials.
Further, the lower surface of the heat insulation plate is adhered and fixed with the upper surface of the wind cavity baffle plate in a gluing way.
Further, the lap belt is a strip-shaped metal sheet, is arranged on the cross beam through countersunk head screws and extends along the length direction of the cross beam.
Further, both end parts of the lap joint belt are bent upwards, and the outer surface of the bent part is flush with the end face of the cross beam.
Further, the cross beam is in co-curing connection with the air cavity bottom plate; the cross beam and the air cavity bottom plate are respectively connected with the air cavity partition plate through glue joint, and glue films are paved between the cross beam and the air cavity bottom plate and between the air cavity bottom plate and the air cavity partition plate.
Further, the hot air through hole and the cold air through hole can be detachably provided with a plugging hole plug, the plugging hole plug is a round table made of rubber materials, one end diameter of the plugging hole plug is smaller than the diameters of the hot air vent and the cold air vent, and the other end diameter of the plugging hole plug is larger than the diameters of the hot air vent and the cold air vent.
Compared with the prior art, the utility model has the following advantages: the structural part of the carbon fiber composite material can reasonably design the layering angle, the layering layers and the layering sequence of the composite material according to the stress condition so as to reduce the weight of the structural part; the density of the carbon fiber composite material is about 60% of that of the aluminum alloy, and the weight of the structural part can be reduced; the co-cure and glue molding reduces the additional weight caused by the number of fasteners used and the assembly transition area.
The shelf structure of the double-layer air cavity is formed by adopting a co-curing and cementing process, so that the double-layer air cavity has a good sealing effect, ventilation leakage is reduced to the greatest extent, and leakage quantity of the air cavity is reduced.
The shelf structure of the double-layer air cavity reduces the assembly process, and no veneering sealing and corner filling sealing between parts are needed, so that the process difficulty is reduced.
The invention adopts the concept of composite material metallization, and solves the problem that the electronic equipment cannot realize electric lap joint due to the fact that the composite material does not have conductivity by adopting a lap joint belt mode.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a rack and carrier in an early stage of an aircraft electronics rack.
Fig. 2 is a schematic heat dissipation diagram of a rack cold and hot air cavity in the prior art.
Fig. 3 is a schematic view of a structure of a shelf in the prior art.
Fig. 4 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 5 is an assembly schematic of an embodiment of the present utility model.
FIG. 6 is a schematic diagram of an embodiment of the present utility model in use.
FIG. 7 is a schematic view of the environmental control system when the embodiment of the utility model is used.
Fig. 8 is a schematic diagram of an electrical lap path according to an embodiment of the utility model.
[ Reference numerals ]
The device comprises a 1-environmental control pipeline, a 2-cross beam, a 3-bracket, a 4-cold air cavity, a 5-hot air cavity, a 6-hot air cavity blocking plate, a 7-cold air cavity blocking plate, an 8-air cavity partition plate, a 9-air cavity bottom plate, a 10-front cross beam, a 11-rear cross beam, a 12-heat insulation plate, a 13-lap joint belt, a 14-shelf, a 15-cold air supply port, a 16-hot air exhaust port, a 17-cold air through hole, a 18-hot air through hole, 19-cold air, 20-hot air, a 21-upright post and a 22-bracket mounting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of a novel composite material double-layer wind cavity structure is shown in fig. 4 to 8. The utility model adopts the carbon fiber composite material and the metal material to jointly form the novel functional structure integrated shelf 14 which is mainly made of the carbon fiber composite material and is provided with the double-layer wind cavity. The shelf 14 comprises a lap strap 13, a cross beam 2, a wind chamber bottom plate 9, a wind chamber baffle 8 and a heat insulation plate 12, as shown in figure 4. The lap joint belt 13 is made of metal materials, and the cross beam 2, the wind cavity bottom plate 9, the wind cavity partition plate 8 and the heat insulation plate 12 are all made of carbon fiber composite materials.
The air cavity bottom plate 9 is rectangular, and a plurality of hot air through holes 18 are distributed on the air cavity bottom plate. The two sides of the upper surface of the air cavity bottom plate 9 are provided with the cross beams 2, namely a front cross beam 10 and a rear cross beam 11, and the cross beams 2 extend along the length direction of the air cavity bottom plate 9. In this embodiment, the cross-section of the cross-beam is C-shaped, with the C-shaped opening facing outward, providing installation and working space for the locking mechanism of the electronic device. Before the bracket 3 is mounted on the shelf 14, the bracket 3 is firstly mounted on the bracket mounting plate 22, and then the bracket mounting plate 22 is mounted on the upper side of the shelf 14, so that the cross beam 2, the wind cavity bottom plate 9 and the bracket mounting plate 22 form a through wind cavity. A wind cavity baffle plate 8 is arranged between the cross beams 2, and two side edges of the wind cavity baffle plate 8 are contacted with two inner side surfaces of the cross beams 2 to divide the wind cavity into a cold wind cavity 4 positioned above and a hot wind cavity 5 positioned below. The hot air formed by heat generated by the electronic equipment below the shelf 14 enters the hot air cavity 5 from the hot air through hole 18, and then the hot air in the hot air cavity 5 is pumped away to take away the heat, so that the electronic equipment is cooled. A plurality of cold air through holes 17 are distributed on the bracket mounting plate 22, and cold air in the cold air cavity 4 enters the bracket and the electronic equipment above from the cold air through holes 17 to cool the electronic equipment above the shelf 14.
The two ends of the air cavity baffle plate 8 are bent to seal the ends of the cold air cavity 4 and the hot air cavity 5. One end of the air cavity baffle plate 8 is bent downwards to form a hot air cavity baffle plate 6, the outer edge of the end of the hot air cavity baffle plate 6 is contacted with the air cavity bottom plate 9 to seal one end of the lower hot air cavity 5, and the other end of the hot air cavity 5 is a hot air exhaust port 16 which is connected with exhaust equipment of an environmental control system and used for exhausting hot air in the hot air cavity. The other end of the air cavity baffle 8 is bent upwards to form a cold air cavity baffle 7, the outer edge of the end of the cold air cavity baffle 7 is contacted with the bracket mounting plate 22 when in use, so that one end of the cold air cavity 4 above is closed, the other end of the cold air cavity 4 is a cold air supply port 15, and the cold air cavity 4 is connected with air blowing equipment of a ring control system to supply air. The upper surface of the air cavity baffle plate 8 is provided with a heat insulation plate 12, and the heat insulation plate 12 is formed by cutting heat insulation materials and is used for separating heat of the cold air cavity 4 from heat of the hot air cavity 5 so as to prevent heat exchange between the cold air cavity and the hot air cavity.
Typically, the electronic equipment rack is provided with a plurality of shelves 14 up and down, and a bracket is provided between two adjacent shelves 14, and the electronic equipment is mounted on the bracket 3. After being sent into the cold air cavity 4 by the air blowing equipment, the cold air 19 advances along the length direction of the shelf 14 and upwards enters the bracket 3 above and the electronic equipment through the cold air through hole 17 to cool the electronic equipment, the heat generated by the electronic equipment heats the cold air into hot air 20, the hot air upwards enters the hot air cavity corresponding to the shelf 14 through the hot air through hole 17 of the shelf 14 above the equipment, then the hot air is pumped away by the air exhausting equipment, and the cold air continuously passes through the electronic equipment to cool the electronic equipment according to the path, so that continuous cooling and cooling of the electronic equipment are realized.
The lap belt 13 is a strip-shaped metal sheet, and the lap belt 13 is arranged on the upper surface of the cross beam 2 through countersunk screws and extends along the length direction of the cross beam. Both end portions of the strap 13 are bent upward, and the outer surfaces of the bent portions are flush with the end surfaces of the shelf 14, while being flush with the end surfaces of the cross members. The strap 13 is typically made of aluminum alloy to provide an electrical strap path for the electronic device. The bracket 3 and the bracket mounting plate 22 are made of metal materials, and when the bracket 3 and the bracket mounting plate 22 are mounted on the shelf 14, the bracket contacts with the lap joint belt 13.
In the electronic equipment rack of the airplane, two ends of the shelf 14 are assembled and connected with the upright posts 21 of the electronic equipment rack, and the upright posts are made of metal and are arranged on the machine body structure. The lap belt 13 is electrically lapped with the upright post 21, the outer surface of the lap belt bending part is attached to the outer surface of the upright post, the contact area between the lap belt and the upright post is increased, reliable and tight connection is ensured, and a complete electric lap path from the electronic equipment to the machine body structure is ensured. The electric lap joint path sequentially comprises electronic equipment, a bracket mounting plate, lap joint belts, stand columns and a machine body structure, as shown in fig. 8, the electronic equipment and the machine body structure are ensured to have no potential difference, and electrostatic protection and electromagnetic interference prevention are provided for the electronic equipment.
The cross beam 2 and the air cavity bottom plate 9 form a structural part through co-curing; and the co-cured structural part and the air cavity partition plate 8 are glued to form a double-layer air cavity, and a glue film is paved between the structural part and the air cavity partition plate 8 to strengthen the bonding strength of the structural part and the air cavity partition plate 8. The lower surface of the heat insulating plate 12 is attached to the upper surface of the air chamber partition plate 8 and is fixed together by gluing, so as to form a shelf 14 together, as shown in fig. 5.
In the process of co-curing and cementing, the cross beam 2 and the air cavity bottom plate 9 are paved on respective moulds by using prepreg, and after the paving is finished, the cross beam 2 and the air cavity bottom plate 9 are positioned according to the relative positions, and are sent into an autoclave together for co-curing and forming. Then the air cavity partition plate 8 is paved on a die and sent into an autoclave for curing and forming; and (3) paving an adhesive film between the two cured structural parts, enhancing the adhesive strength, and finally sending the two cured structural parts into an autoclave for adhesive bonding and molding. When the prepreg is used, the toughened epoxy resin carbon fiber unidirectional tape prepreg cured at a high temperature (180 degrees) can be selected according to stress conditions.
The cross beam 2, the air cavity bottom plate 9 and the air cavity partition plate 8 are all obtained by layering prepregs, and are molded and connected by adopting an autoclave molding process, and the three parts can be made of different types of fiber materials and parameters such as layering number, layering angle, layering sequence and the like according to different stress conditions.
The bracket mounting plate 22 and the bracket 3 are arranged on the shelf 14 to form a double-layer wind cavity, as shown in fig. 6. The bracket mounting plate is provided with a cooling vent 17, and the blast volume of the electronic equipment is regulated through the hole opening and the hole blocking. Likewise, the air cavity bottom plate 9 is provided with a heat vent 18, and the ventilation quantity of the lower-layer electronic equipment can be adjusted through the opening and the blocking hole, so that the accurate flow adjustment can be achieved. When adjusting the amount of wind, can adopt the jam hole to block up some cooling ventilation holes 17, hot ventilation holes 18, when needing the amount of wind great, can reduce the number of jam hole, when needing to reduce the amount of wind, can increase the number of jam hole. The blocking hole plug can be made of rubber materials and is in a truncated cone shape, one end diameter of the blocking hole plug is smaller than the diameters of the hot vent hole and the cold vent hole, and the other end diameter of the blocking hole plug is larger than the diameters of the hot vent hole and the cold vent hole.
The outer side of the shelf is in contact with metal parts, and a layer of medium-temperature cured glass fiber epoxy resin fabric prepreg is paved at the joint of the outer side and the metal in order to prevent the abnormal potential corrosion.
The structural part of the carbon fiber composite material can reasonably design the layering angle, the layering layers and the layering sequence of the composite material according to the stress condition so as to reduce the weight of the structural part; the density of the carbon fiber composite material is about 60% of that of the aluminum alloy, and the weight of the structural part can be reduced; the co-cure and glue molding reduces the additional weight caused by the number of fasteners used and the assembly transition area.
The shelf structure of the double-layer air cavity is formed by adopting a co-curing and cementing process, so that the double-layer air cavity has a good sealing effect, ventilation leakage is reduced to the greatest extent, and leakage quantity of the air cavity is reduced.
The shelf structure of the double-layer air cavity reduces the assembly process, and no veneering sealing and corner filling sealing between parts are needed, so that the process difficulty is reduced.
The invention adopts the concept of composite material metallization, and solves the problem that the electronic equipment cannot realize electric lap joint due to the fact that the composite material does not have conductivity by adopting a lap joint belt mode.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (10)
1. A novel composite material double-layer wind cavity structure is characterized in that: the device comprises a wind cavity bottom plate, wherein a plurality of hot air through holes are distributed on the wind cavity bottom plate, cross beams are arranged on two sides of the upper surface of the wind cavity bottom plate, lap joint belts for electrically lap joint with the stand columns are arranged on the upper surface of the cross beams, bracket mounting plates are arranged on the cross beams in a covering mode, a plurality of cold air through holes are distributed on the bracket mounting plates, and the bracket mounting plates, the cross beams and the wind cavity bottom plate enclose a wind cavity; and a wind cavity baffle plate which divides the wind cavity into a cold wind cavity at the upper layer and a hot wind cavity at the lower layer is arranged between the cross beams, one end part of the wind cavity baffle plate is bent upwards and is used for sealing one end of the cold wind cavity, and the other end part is bent downwards and is used for sealing one end of the hot wind cavity.
2. The novel composite material double-layer wind cavity structure according to claim 1, wherein: the lap joint belt and the bracket mounting plate are made of metal materials, and the cross beam, the air cavity bottom plate and the air cavity partition plate are made of carbon fiber composite materials.
3. The novel composite material double-layer wind cavity structure according to claim 2, wherein: and the contact parts of the cross beam, the air cavity bottom plate and the air cavity partition plate with the metal material are paved with medium-temperature cured glass fiber epoxy resin fabric prepreg.
4. The novel composite material double-layer wind cavity structure according to claim 1, wherein: the other end of the hot air cavity is a hot air exhaust port and is connected with exhaust equipment, and the other end of the cold air cavity is a cold air supply port and is connected with blowing equipment.
5. The novel composite material double-layer wind cavity structure according to claim 1, wherein: the upper surface of the wind cavity partition plate is provided with a heat insulation plate, and the heat insulation plate is formed by cutting heat insulation materials.
6. The novel composite material double-layer wind cavity structure according to claim 5, wherein: the lower surface of the heat insulating plate is adhered and fixed with the upper surface of the wind cavity baffle plate.
7. The novel composite material double-layer wind cavity structure according to claim 1, wherein: the lap belt is a strip-shaped metal sheet, is arranged on the cross beam through countersunk head screws and extends along the length direction of the cross beam.
8. A novel composite material double-layer wind cavity structure according to claim 1 or 7, characterized in that: the two end parts of the lap joint belt are bent upwards, and the outer surface of the bent part is flush with the end surface of the cross beam.
9. The novel composite material double-layer wind cavity structure according to claim 1, wherein: the cross beam is connected with the air cavity bottom plate in a co-curing way; the cross beam and the air cavity bottom plate are respectively connected with the air cavity partition plate through glue joint, and glue films are paved between the cross beam and the air cavity bottom plate and between the air cavity bottom plate and the air cavity partition plate.
10. The novel composite material double-layer wind cavity structure according to claim 1, wherein: the hot air through hole and the cold air through hole can be detachably provided with a blocking hole plug, the blocking hole plug is a round table made of rubber materials, one end diameter of the blocking hole plug is smaller than the diameters of the hot air vent and the cold air vent, and the other end diameter of the blocking hole plug is larger than the diameters of the hot air vent and the cold air vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168517.9U CN220986053U (en) | 2023-08-11 | 2023-08-11 | Novel composite material double-layer wind cavity structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168517.9U CN220986053U (en) | 2023-08-11 | 2023-08-11 | Novel composite material double-layer wind cavity structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220986053U true CN220986053U (en) | 2024-05-17 |
Family
ID=91036778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322168517.9U Active CN220986053U (en) | 2023-08-11 | 2023-08-11 | Novel composite material double-layer wind cavity structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220986053U (en) |
-
2023
- 2023-08-11 CN CN202322168517.9U patent/CN220986053U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5827585A (en) | Composite enclosure for electronic hardware | |
| EP1415782B1 (en) | Method for producing upsized frp member | |
| US10828870B2 (en) | Process for manufacturing apron board of high-speed rail equipment cabin using composite material | |
| CN106585957B (en) | Composite material wing integral oil tank and manufacturing method thereof | |
| CN107577300A (en) | A kind of comprehensive control equipment based on CPCI frameworks reinforces cabinet | |
| CN106714519B (en) | Airborne LRU liquid coolings source | |
| CN205971869U (en) | Spout medicine unmanned aerial vehicle's cooling device | |
| CN220986053U (en) | Novel composite material double-layer wind cavity structure | |
| CN102402909A (en) | Structure of box body of light emitting diode (LED) display screen | |
| CN109263156B (en) | Rail transit vehicle body apron board structure and forming method thereof | |
| CN106275366B (en) | A kind of small-sized unmanned plane of excellent radiation performance | |
| CN208113186U (en) | A kind of Full-sealed air cooling low pressure work cabinet | |
| CN102402911A (en) | Light emitting diode (LED) display screen | |
| CN207743257U (en) | Battery modules and battery pack | |
| CN102991683B (en) | Onboard pod body for helicopter | |
| CN210618478U (en) | Throwing type unmanned vehicles and a protection section of thick bamboo thereof | |
| CN205987689U (en) | Fill scattered hot air duct structure of electric pile | |
| CN211167136U (en) | Ultra-light insulation board | |
| CN209693339U (en) | One kind being tethered at unmanned aerial vehicle onboard power-supply radiator | |
| CN209999787U (en) | kinds of high-quality aluminium honeycomb board | |
| CN207931474U (en) | A kind of vehicle cabin wind guide and heat dispersion cover | |
| CN107506004A (en) | Cabinet is reinforced using the 4U of optimization Duct design | |
| CN113594600A (en) | Light liquid-cooled battery box | |
| CN209176918U (en) | Oiltank structure | |
| CN114056579A (en) | Integral composite material air cavity structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |