CN112793389A - Air duct with irregular cross section - Google Patents
Air duct with irregular cross section Download PDFInfo
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- CN112793389A CN112793389A CN202011570702.5A CN202011570702A CN112793389A CN 112793389 A CN112793389 A CN 112793389A CN 202011570702 A CN202011570702 A CN 202011570702A CN 112793389 A CN112793389 A CN 112793389A
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- plate
- bent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/26—Ventilating openings in vehicle exterior; Ducts for conveying ventilating air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of vehicle air conditioners, in particular to an air duct with an irregular cross section, which comprises a static pressure cavity and an air supply cavity, wherein the static pressure cavity and the air supply cavity are formed by a plurality of flat plates and bent plates, the flat plates comprise a first flat plate, a second flat plate, a third flat plate and a fourth flat plate, the bent plates comprise a first bent plate and a second bent plate, the static pressure cavity is a cavity with a pentagonal interface shape formed by four flat plates comprising a first flat plate, a second flat plate, a third flat plate, a fourth flat plate and a first bent plate, the air supply cavity is a cavity with a pentagonal cross section shape formed by two flat plates comprising a first flat plate, a fourth flat plate and a second bent plate, the outer sides of the bent plates are provided with heat insulation layers, the flat plates are connected through L-shaped connecting pieces, the L-shaped connecting pieces are arranged on the inner side of the air duct, the bent plates are connected through rivets, the connecting parts of, the static pressure cavity is provided with a first avoidance notch, and the air supply cavity is provided with a second avoidance notch and a third avoidance notch.
Description
Technical Field
The invention relates to the technical field of vehicle air conditioners, in particular to an air duct with an irregular section.
Background
When the air ducts of the existing rail transit and passenger car are made of phenolic boards, the splicing mode is generally adopted, and the splicing seams of the phenolic boards are connected by L-shaped connecting pieces. However, the existing phenolic material air ducts are regular air duct sections due to the factors that the phenolic boards are large in brittleness and easy to break, the joints are difficult to construct and the like. The regular air duct is difficult to meet because the arrangement of the air duct needs to meet the requirement of the minimum cross-sectional area of the air duct and simultaneously has good assembling and disassembling performance.
Although the air duct with the irregular cross section can meet the requirement of the minimum cross-sectional area of the air duct, the irregular air duct in the prior art is usually prepared by bending, welding and externally pasting heat-insulating cotton on a metal material such as an aluminum thin plate. However, the air duct has the defects of heavy weight, low air tightness, poor overall fireproof performance, poor heat insulation performance, condensate water and the like.
Disclosure of Invention
The purpose of the invention is: overcomes the defects in the prior art, and provides an air duct with a good heat insulation performance and a light weight and an irregular cross section.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a phenolic aldehyde air duct with an irregular shape comprises a static pressure cavity and a plurality of air supply cavities, wherein each air supply cavity is communicated with the static pressure cavity, and the static pressure cavity and the air supply cavities consist of a plurality of flat plates and bent plates;
the flat plate is a phenolic aldehyde plate, the bent plate is a sheet metal part, the flat plate comprises a first flat plate, a second flat plate, a third flat plate and a fourth flat plate, the bent plate comprises a first bent plate and a second bent plate,
the static pressure cavity is a pentagonal cavity formed by a first flat plate, a second flat plate, a third flat plate, a fourth flat plate and a first bent plate, the air supply cavity is a pentagonal cavity formed by the first flat plate, the fourth flat plate and the second bent plate, a heat insulation layer is arranged on the outer side of each bent plate, adjacent flat plates are connected through L-shaped connecting pieces, the L-shaped connecting pieces are arranged on the inner sides of the air channels, the adjacent bent plates are connected with the flat plates through rivets, and the bent plates at the connecting parts of the L-shaped connecting pieces and the flat plates are located on the outer sides of the flat plates.
Furthermore, the static pressure cavity is provided with a first avoidance notch, and the air supply cavity is provided with a second avoidance notch and a third avoidance notch.
Furthermore, the depth of the first avoidance notch is smaller than or equal to the height of the static pressure cavity, and the depth of the second avoidance notch and the depth of the third avoidance notch are smaller than or equal to the width of the air supply cavity.
Furthermore, the avoidance notch is sealed by a notch cover plate I, the notch cover plate I is a bent plate and comprises a bent plate V, and the bent plate V is fixed on the flat plate II and the flat plate III through rivets.
Furthermore, the notch cover plate II for avoiding the notch is sealed, the notch cover plate II is a bent plate and comprises a bent plate III, and the bent plate III is fixed on the flat plate I and the bent plate II through rivets.
Furthermore, the avoidance notch three-purpose notch cover plate three is sealed, the notch cover plate three is a bent plate and comprises a bent plate four, and the bent plate four is fixed on the flat plate I, the flat plate IV and the bent plate II through rivets.
Further, the bent plate comprises an air duct wall part and a connecting part, and the connecting part is one or two of a connecting surface and a mounting foot.
Furthermore, the bent plate four is connected with a bent plate four connecting edge, the bent plate four connecting edge comprises a first connecting edge positioned above the notch cover plate three and a second connecting plate positioned below the notch cover plate three, and the shape and size defined by the first connecting edge, the second connecting edge and the notch cover plate three are matched with the shape and size of the cross section of the air duct at the position.
Furthermore, sealing layers or sealing strips are arranged at the joints between the adjacent flat plates, between the adjacent bent plates and the flat plates, and between the adjacent bent plates.
Furthermore, the heat-insulating layer is made of heat-insulating cotton.
The technical scheme adopted by the invention has the beneficial effects that:
1. the combination of the flat plate and the bent plate can enable the air duct to obtain sections with different shapes, and the sheet metal part coated with the heat insulation coating can avoid generating condensed water.
2. The flat board chooses the phenolic aldehyde board for use, and the sheet metal component is chooseed for use to the bent plate for the wind channel can compromise advantages such as thermal insulation performance is good, light in weight, gas tightness are good, fire behavior is outstanding.
3. The edge of the concave cover plate is folded to form a plurality of mounting feet, so that the air tightness and the heat insulation performance of the concave cover plate can be guaranteed.
4. The air duct with the irregular cross section can avoid interference between the air duct and other parts, and can increase the sectional area of the air duct and increase the efficiency of the air conditioner.
5. The avoiding notch can avoid interference of the air duct and other parts, the sectional area of the air duct can be increased, and the air conditioning efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein
FIG. 1 is an oblique view of the internal structure and relief notch II of the present invention;
FIG. 2 is a perspective view of a notched cover plate;
FIG. 3 is a perspective view of an alternative cover plate;
FIG. 4 is an oblique view of a second bending plate;
FIG. 5 is an oblique view of a first bend plate;
FIG. 6 is an oblique view of the relief notch III;
FIG. 7 is an oblique view of the relief notch III;
FIG. 8 is an oblique view of a first relief notch;
fig. 9 is an oblique view of the first notch cover plate.
1-flat plate one 2-flat plate two 3-flat plate three 4-flat plate four 5-bent plate one 51-bent plate one heat preservation surface 52-bent plate one connection surface 6-bent plate two 61-bent plate two heat preservation surface 62-bent plate two installation foot 63-bent plate two connection surface 7-bent plate five 71-bent plate five heat preservation surface 72-bent plate five installation foot 73-bent plate five connection edge 8-bent plate three 81-bent plate three heat preservation surface 82-bent plate three installation foot 83-bent plate three connection edge 9-bent plate four 91-bent plate four heat preservation surface 92-bent plate four installation foot 93-bent plate four connection edge 10-L type connecting piece.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention. The present invention is described in detail by using schematic structural diagrams and the like, which are only examples and should not limit the protection scope of the present invention. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.
A phenolic aldehyde air duct with an irregular shape comprises a static pressure cavity and a plurality of air supply cavities, wherein each air supply cavity is communicated with the static pressure cavity, and the static pressure cavity and the air supply cavities consist of a plurality of flat plates and bent plates;
the flat board is the phenolic aldehyde board, the bent plate is the sheet metal component, the flat board includes dull and stereotyped one 1, two dull and stereotyped 2, three 3 of flat board and four 4 dull and stereotyped, the bent plate includes bent plate one 5 and bent plate two 6, a bent plate 5 includes a bent plate heat preservation face 51 and a bent plate connection face 52, two 6 connection faces 63 are connected including two heat preservation faces 61 of bent plate, two installation feet 62 of bent plate and bent plate.
The static pressure cavity is a cavity with a pentagonal cross section formed by a first flat plate 1, a second flat plate 2, a third flat plate 3, a fourth flat plate 4 and a first bent plate 5, the air supply cavity is a cavity with a pentagonal cross section formed by the first flat plate 1, the fourth flat plate 4 and the second bent plate 6, a heat insulation layer is arranged on the outer side of each bent plate, the heat insulation layer is arranged on the outer side of each bent plate, can be made of heat insulation coatings such as polyurethane or foam plates, heat insulation cotton and the like, adjacent flat plates are connected through an L-shaped connecting piece 10, the L-shaped connecting piece 10 is arranged on the inner side of an air duct, adjacent bent plates and flat plates are connected through rivets, the bent plates at the joints of the two are located on the outer sides of the flat plates, the bent plates can be manufactured through bending or welding, the preferred scheme is bending, and the static.
The static pressure cavity is provided with a first avoidance notch, and the air supply cavity is provided with a second avoidance notch and a third avoidance notch. The depth of the first avoidance notch is smaller than or equal to the height of the static pressure cavity, and the depth of the second avoidance notch and the depth of the third avoidance notch are smaller than or equal to the width of the air supply cavity. The avoidance notch is sealed by a notch cover plate I, the notch cover plate I is a bent plate and comprises a bent plate V, and the bent plate V is fixed on the flat plate II 2 and the flat plate III 3 through rivets. And the notch cover plate II is sealed, the notch cover plate II is a bent plate and comprises a bent plate III, and the bent plate III is fixed on the flat plate I1 and the bent plate II 6 through rivets. The three-purpose notch cover plate three-seal avoiding notch is characterized in that the notch cover plate three is a bent plate and comprises a bent plate four, the bent plate four is fixed on a flat plate 1, a flat plate four 4 and a bent plate two 6 through rivets, and sealant is coated in rivet holes when rivets are made.
The bent plate comprises an air duct wall part and a connecting part, wherein the connecting part is one or two of a connecting surface and a mounting foot.
The four bent plates are connected with four bent plate connecting edges, the four bent plate connecting edges comprise a first connecting edge positioned above the notch cover plate III and a second connecting plate positioned below the notch cover plate III, the shape and size surrounded by the first connecting edge, the second connecting edge and the notch cover plate III are matched with the shape and size of the cross section of the air duct at the position, the first connecting edge and the second connecting edge play a role in connecting and fixing the left air duct and the right air duct, and when the air duct is installed, the left air duct and the right air duct are fixed on the first connecting edge and the second connecting edge through rivets.
And sealing layers or sealing strips are arranged at the joints between the adjacent flat plates, between the adjacent bent plates and the flat plates and between the adjacent bent plates, and the sealing layers and the sealing strips are sealing glue.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An irregularly-shaped phenolic air duct is characterized in that: the air supply device comprises a static pressure cavity and a plurality of air supply cavities, wherein each air supply cavity is communicated with the static pressure cavity, and the static pressure cavity and the air supply cavities consist of a plurality of flat plates and bent plates;
the flat plate is a phenolic aldehyde plate, the bent plate is a sheet metal part, the flat plate comprises a first flat plate, a second flat plate, a third flat plate and a fourth flat plate, the bent plate comprises a first bent plate and a second bent plate,
the static pressure cavity is a pentagonal cavity formed by a first flat plate, a second flat plate, a third flat plate, a fourth flat plate and a first bent plate, the air supply cavity is a pentagonal cavity formed by the first flat plate, the fourth flat plate and the second bent plate, a heat insulation layer is arranged on the outer side of each bent plate, adjacent flat plates are connected through L-shaped connecting pieces, the L-shaped connecting pieces are arranged on the inner sides of the air channels, the adjacent bent plates are connected with the flat plates through rivets, and the bent plates at the connecting parts of the L-shaped connecting pieces and the flat plates are located on the outer sides of the flat plates.
2. An irregularly shaped air channel in cross-section as set forth in claim 1, wherein: the static pressure cavity is provided with a first avoidance notch, and the air supply cavity is provided with a second avoidance notch and a third avoidance notch.
3. An irregularly shaped air duct according to claim 2, wherein: the depth of the first avoidance notch is smaller than or equal to the height of the static pressure cavity, and the depth of the second avoidance notch and the depth of the third avoidance notch are smaller than or equal to the width of the air supply cavity.
4. A wind tunnel having an irregular cross-section according to claim 3, wherein: the avoidance notch is sealed by a notch cover plate I, the notch cover plate I is a bent plate and comprises a bent plate V, and the bent plate V is fixed on the flat plate II and the flat plate III through rivets.
5. An irregularly shaped duct according to claim 4, wherein: the concave cover plate II for avoiding the concave opening is sealed, the concave cover plate II is a bent plate and comprises a bent plate III, and the bent plate III is fixed on the flat plate I and the bent plate II through rivets.
6. An irregularly shaped duct according to claim 5, wherein: the avoidance notch three-purpose notch cover plate three-seal structure is characterized in that the notch cover plate three is a bent plate and comprises a bent plate four, and the bent plate four is fixed on a flat plate I, a flat plate IV and a bent plate II through rivets.
7. An irregularly shaped air duct according to claim 6, wherein: the bent plate comprises an air duct wall part and a connecting part, wherein the connecting part is one or two of a connecting surface and a mounting foot.
8. An irregularly shaped air chute as claimed in claim 7 wherein: the four bent plates are connected with four bent plate connecting edges, each bent plate connecting edge comprises a first connecting edge positioned above the corresponding notch cover plate III and a second connecting plate positioned below the corresponding notch cover plate III, and the shape and size defined by the first connecting edge, the second connecting edge and the third notch cover plate are matched with the shape and size of the cross section of the air duct at the position.
9. An irregularly shaped air chute as claimed in claim 8 wherein: and sealing layers or sealing strips are arranged at the joints between the adjacent flat plates, between the adjacent bent plates and the flat plates and between the adjacent bent plates.
10. An irregularly shaped air channel in cross-section as set forth in claim 1, wherein: the heat preservation layer is made of heat preservation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011570702.5A CN112793389B (en) | 2020-12-26 | 2020-12-26 | Air duct with irregular cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011570702.5A CN112793389B (en) | 2020-12-26 | 2020-12-26 | Air duct with irregular cross section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112793389A true CN112793389A (en) | 2021-05-14 |
| CN112793389B CN112793389B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011570702.5A Active CN112793389B (en) | 2020-12-26 | 2020-12-26 | Air duct with irregular cross section |
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| Country | Link |
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| CN (1) | CN112793389B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204124137U (en) * | 2014-07-24 | 2015-01-28 | 青岛威奥轨道装饰材料制造有限公司 | A kind of fire-retardant air channel of light fire-proof |
| CN105546665A (en) * | 2014-10-21 | 2016-05-04 | 李维栋 | Integrated air conditioner, exhaust duct and integrated air duct |
| CN205331614U (en) * | 2015-12-28 | 2016-06-22 | 世纪百利（天津）科技发展有限公司 | Huge wind channel |
| CN209063845U (en) * | 2018-11-05 | 2019-07-05 | 盐城市华悦汽车部件有限公司 | A kind of car duct |
| CN211543536U (en) * | 2019-12-04 | 2020-09-22 | 中车株洲电力机车有限公司 | Air duct system and rail vehicle with same |
-
2020
- 2020-12-26 CN CN202011570702.5A patent/CN112793389B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204124137U (en) * | 2014-07-24 | 2015-01-28 | 青岛威奥轨道装饰材料制造有限公司 | A kind of fire-retardant air channel of light fire-proof |
| CN105546665A (en) * | 2014-10-21 | 2016-05-04 | 李维栋 | Integrated air conditioner, exhaust duct and integrated air duct |
| CN205331614U (en) * | 2015-12-28 | 2016-06-22 | 世纪百利（天津）科技发展有限公司 | Huge wind channel |
| CN209063845U (en) * | 2018-11-05 | 2019-07-05 | 盐城市华悦汽车部件有限公司 | A kind of car duct |
| CN211543536U (en) * | 2019-12-04 | 2020-09-22 | 中车株洲电力机车有限公司 | Air duct system and rail vehicle with same |
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| Publication number | Publication date |
|---|---|
| CN112793389B (en) | 2022-03-15 |
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