CN208730738U - Air conditioning for automobiles balanced ventilation road - Google Patents
Air conditioning for automobiles balanced ventilation road Download PDFInfo
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- CN208730738U CN208730738U CN201820955459.0U CN201820955459U CN208730738U CN 208730738 U CN208730738 U CN 208730738U CN 201820955459 U CN201820955459 U CN 201820955459U CN 208730738 U CN208730738 U CN 208730738U
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- air
- bend loss
- straight pipe
- balanced ventilation
- ventilation road
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Abstract
The utility model discloses a kind of air conditioning for automobiles balanced ventilation road, including bend loss (1), tapered straight pipe (2), multiple grating air outlets (3)；The air outlet of the bend loss (1) is fixedly connected with the air inlet of tapered straight pipe (2), and the multiple grating air outlet (3) is distributed on bend loss (1) and tapered straight pipe (2).The air conditioning for automobiles balanced ventilation road of the utility model, it is compact-sized, noise is small, is easily worked.
Description
Technical field
The utility model belongs to automobile air conditioning technology field, especially it is a kind of it is compact-sized, noise is small, the vapour that is easily worked
Vehicle air-conditioning balanced ventilation road.
Background technique
Seat is distributed close to vehicle window side by side along longitudinal direction in general passenger car room.The indoor air duct form of vehicle is generally mounted on
The longitudinal air duct side by side of independent longitudinal air duct in roof middle position and be mounted on above the seat of roof two sides two.For rear
Person, certain distance is equally spaced before air conditioning exhausting opening's edge seat.
Since the resistance (on-way resistance and local resistance) in air duct and air duct end are to the inhibition of air-flow, air-conditioning enters
Stream pressure in air duct constantly changes in air duct, causes each air outlet warm and cold air speed and air output to differ greatly, vehicle
Indoor temperature distribution difference is excessive, easily causes human body discomfort.Conventional measure be adjustable plate is added at each air outlet, or
It is to be designed using static pressure chamber come uniform outlet air.And adjustable plate processing and installation is all relatively difficult, the air duct of chamber containing static pressure occupies car room
Interior space is larger, and the air-flow of internal main air duct can only flow from the narrow slot apertures of static pressure chamber partition, increase local resistance with
Noise.
Chinese utility model patent " a kind of subway train balanced ventilation air duct " (application number: 201020298338.7, it is public
Open day: 2010.08.19, publication number: CN201901138U) disclose a kind of subway train balanced ventilation air duct.The air duct is by hole
Plate and siding composition, orifice plate are located among the lower plate of subway train air duct, and the number of aperture is pressed according to the length of subway train
Ratio is reduced, and orifice plate, which is equipped with, to be penetrated type hole and do not penetrate type hole.
The balanced ventilation air duct there are the problem of have: 1) use plenum chamber balanced ventilation design, air duct is in vehicle Interior Space
Between occupy it is big；2) local resistance at orifice plate aperture is larger, and air flow method is unevenly easy, forms vortex, generates aerodynamic noise；3)
Hole on orifice plate, which is divided into, to be penetrated type hole and does not penetrate type hole, and difficulty of processing is increased.
Summary of the invention
The purpose of this utility model is to provide a kind of air conditioning for automobiles balanced ventilation road, it is compact-sized, noise is small, be easy plus
Work.
Realize the technical solution of the utility model aim are as follows:
A kind of air conditioning for automobiles balanced ventilation road, including bend loss 1, tapered straight pipe 2, multiple grating air outlets 3；It is described curved
The air outlet of pipeline section 1 is fixedly connected with the air inlet of tapered straight pipe 2, and the multiple grating air outlet 3 is distributed in 1 He of bend loss
On tapered straight pipe 2.
Compared with prior art, remarkable advantage is the utility model:
1, uniform each air outlet air velocity and air output: air outlet air-flow goes out wind velocity and is determined by air port internal and external pressure difference
Fixed, i.e., wind velocity is determined by static pressure at air outlet each in air duct out.By the popularization of Bernoulli equation it is found that the static pressure in air duct,
Dynamic pressure and drag losses throughout duct cross-section conservation, after using serpentine bend loss, the drag losses in air duct are smaller, due to
Air duct end is gradually reduced the dynamic pressure in air duct in the length of air duct the inhibition of air-flow, and corresponding static pressure increases,
Wind velocity increases out.Therefore using the design that intracavity section is tapered on tapered straight pipe, so that static pressure more than needed is converted into dynamic pressure,
Each uniform effect of air outlet speed is adjusted to reach.
2, duct resistance is small, and aerodynamic noise intensity is low: air-conditioning installation site is relatively more fixed, and the vehicle interior space is limited, air duct
It generally requires to change direction, traditional right-angle elbow pipe leads to the cataclysm of air velocity direction, the excessive formation of local pressure velocity gradient
Vortex causes the local resistance at this excessive and generates aerodynamic noise.And 90 ° of transition bend pipes have preferable guidance to make in air-flow
With the deflector added optimizes the air flow method in air duct, reduces local resistance and aerodynamic noise intensity.
3, simple and reliable for structure, installation easy to process: equal not over adjustable plate or static pressure chamber air duct mode is added
Even each air outlet air-flow velocity and air output, structure is relatively easy, easily manufactured and installed.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram in the utility model air conditioning for automobiles balanced ventilation road.
Fig. 2 is serpentine bend loss assembling schematic diagram in Fig. 1.
Fig. 3 is each component connection schematic diagram in Fig. 1.
Fig. 4 is serpentine bend loss diagrammatic cross-section in Fig. 1.
Fig. 5 is the serpentine bend loss schematic diagram of the utility model embodiment two.
Fig. 6 is the diagrammatic cross-section of the tapered straight pipe of the utility model embodiment one.
Fig. 7 is the diagrammatic cross-section of the tapered straight pipe of the utility model embodiment two.
In figure, 1 bend loss, 11 bend loss Shell Plates, 12 bend loss inner hulls, 13 attachment spacers, 14 fastening screws, 2 gradually
Contracting straight pipe, 21 tapered straight pipe Shell Plates, 22 tapered straight pipe inner hulls, 3 grid type air outlets, 4 deflectors I, 5 deflectors
II, 6 deflectors III, 7 deflectors IV, 8 connectors.
Specific embodiment
As shown in Figure 1, the utility model air conditioning for automobiles balanced ventilation road, including bend loss 1, tapered straight pipe 2, Duo Gege
Grid air outlet 3 and deflector I~IV 4~7；The air outlet of the bend loss 1 is fixedly connected with the air inlet of tapered straight pipe 2,
The multiple grating air outlet 3 is distributed on bend loss 1 and tapered straight pipe 2.
Preferably, the bend loss 1 is serpentine bend pipe, and corner is 90 °.
The inner cavity of the serpentine bend loss 1 is to be connected by air channel shell plate 11 and air duct inner hull 12 by fastening screw 14
It connects, similarly, tapered straight pipe 2 is also to be made of Shell Plate 21 and inner hull 22.
The cross-sectional sizes of the tapered straight pipe 2 gradually become smaller along its length, and concrete mode is the institute of tapered straight pipe 2
There are inner surface or certain several inner surface upper along its length tapered.The serpentine bend loss 1 and tapered straight pipe 2 pass through 4
A attachment spacers 13 and the connection installation of fastening screw 14.
The grid type air outlet is mounted on serpentine air duct and tapered straight air duct slope by screw 14.
As an improvement, the corner of the serpentine bend loss 1 is equipped with deflector 4,5,6,7.
Preferably, the deflector 4,5,6,7 shares 4, two settings of deflectors 4,5 serpentine bend loss 1 close into
The corner in air port, another two deflectors 6,7 be arranged in serpentine bend loss 1 close to tapered pipeline section 2 turn everywhere.
The serpentine bend loss 1 is provided with circular blast baffle slot 16,17,18,19, deflector in two 90 ° of transition pipe bent positions
4, it 5,6,7 is from top to bottom inserted into the corresponding water conservancy diversion board slot 16,17,18,19 in 1 inclined-plane of serpentine bend loss, deflector 4,
5,6,7 and water conservancy diversion board slot 16,17,18,19 interference fit and be connected in a welding manner.As shown in Figure 2.
It is improved as another kind, the bend loss 1, the cross section of tapered straight pipe 2 are in the shape of a right-angled ladder, and the grid goes out
Air port 3 is placed on the bevel edge of right-angled trapezium shape.
The warm and cold air bloated from air-conditioning is entered in bend loss 1 by air inlet 15, air duct two at corner using round
Transition bend pipe, and it is mounted with circular blast baffle I, II, III, IV 4,5,6,7, such as Fig. 4 serpentine bend loss horizontal sectional view institute
Show, optimizes the air flow method situation in air duct, reduce local resistance and aerodynamic noise；As air-flow travels forward into gradually
In contracting straight pipe 2, the Shell Plate in air duct can be seen that from the partial view A and section B-B view of tapered straight pipe 2 shown in Fig. 6
Five inner surfaces corresponding with inner hull are all tapered with same taper angle α, due to being gradually reduced for cross-sectional sizes, dynamic pressure in air duct
Increase, static pressure reduces, and the static pressure difference mutation in each side's air outlet is small, so that improving air duct goes out the uniform of wind velocity and air output
Property.The quantity of usual 1 deflector of serpentine bend loss and the taper angle α of tapered straight pipe 2 can pass through test or numerical simulation
Technology determines.
The foregoing is merely a kind of embodiments of the utility model, are not intended to limit the utility model, all in this reality
With making any modification, replacement and change etc. within novel spirit and principle, in scope of protection of the utility model.
Embodiment two
The air conditioning for automobiles balanced ventilation air duct that Fig. 5,7 show the utility model embodiment two, the serpentine bend loss 1
Inner cavity be equally is formed by air channel shell plate 11 and the combination of air duct inner hull 12, two kinds of coverboards pass through connector 8 and fasten, then lead to
The mode for crossing welding securely connects, as shown in Figure 5.Similarly, tapered straight pipe 2 is also by way of connector 8 and welding
It is fastenedly connected.The serpentine bend loss 1 and tapered straight pipe 2 are connected again by 4 attachment spacers 13 and fastening screw 14
Installation.Deflector I, II, III, IV 4,5,6,7 and water conservancy diversion board slot 16,17,18,19 are interference fitted and are connected in a welding manner,
The grid type air outlet is mounted on serpentine bend loss and tapered straight pipe inclined-plane by screw 14.
Equally, serpentine bend loss 1 and deflector avoid the generation of local maelstrom, thus reduce local resistance and
Aerodynamic noise.And the uniform outlet air air velocity of tapered straight pipe 2 and the key of air output are duct cross-section product along its length
Be gradually reduced, air duct it is tapered design can in such a way that all inner surfaces of coverboard inside and outside the air duct of embodiment one are tapered, but
It is not limited to this.As shown in the cross-sectional view in the tapered straight air duct Fig. 7, the cross-sectional sizes in tapered straight air duct gradually subtract along its length
It is small.Wherein, three inner surfaces corresponding to straight air channel shell plate 11 use tapered design, can from C-C sectional view
Out Shell Plate section along its length on gradually to contract.And there is no using gradually for two inner surfaces corresponding to inner hull 12
The design of contracting, inner hull section are consistent on straight air duct overall length.Generally cross-sectional sizes still be in along its length on
The trend being gradually reduced, to achieve the purpose that uniform each air outlet air velocity and air output.
The foregoing is merely a kind of embodiments of the utility model, are not intended to limit the utility model, all in this reality
With making any modification, replacement and change etc. within novel spirit and principle, in scope of protection of the utility model.
Claims (5)
1. a kind of air conditioning for automobiles balanced ventilation road, it is characterised in that:
Including bend loss (1), tapered straight pipe (2) and multiple grating air outlets (3)；
The air outlet of the bend loss (1) is fixedly connected with the air inlet of tapered straight pipe (2), the multiple grating air outlet
(3) it is distributed on bend loss (1) and tapered straight pipe (2).
2. balanced ventilation road according to claim 1, it is characterised in that:
The bend loss (1) is serpentine bend pipe, and corner is 90 °.
3. balanced ventilation road according to claim 2, it is characterised in that:
The corner of the serpentine bend loss (1) is equipped with deflector (4,5,6,7).
4. balanced ventilation road according to claim 3, it is characterised in that:
The deflector (4,5,6,7) shares 4, and two deflector (4,5) settings are in serpentine bend loss (1) close to air inlet
Corner, the setting of another two deflectors (6,7) is in serpentine bend loss (1) close to the corner of tapered straight pipe (2).
5. balanced ventilation road according to claim 1, it is characterised in that:
The bend loss (1), the cross section of tapered straight pipe (2) are in the shape of a right-angled ladder, and the grating air outlet (3) is placed in right angle
On the bevel edge of trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820955459.0U CN208730738U (en) | 2018-06-21 | 2018-06-21 | Air conditioning for automobiles balanced ventilation road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820955459.0U CN208730738U (en) | 2018-06-21 | 2018-06-21 | Air conditioning for automobiles balanced ventilation road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208730738U true CN208730738U (en) | 2019-04-12 |
Family
ID=66025868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820955459.0U Active CN208730738U (en) | 2018-06-21 | 2018-06-21 | Air conditioning for automobiles balanced ventilation road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208730738U (en) |
-
2018
- 2018-06-21 CN CN201820955459.0U patent/CN208730738U/en active Active
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