CN209166834U - A kind of soundproofed cabin suitable for automobile wind tunnel test - Google Patents
A kind of soundproofed cabin suitable for automobile wind tunnel test Download PDFInfo
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- CN209166834U CN209166834U CN201821803711.2U CN201821803711U CN209166834U CN 209166834 U CN209166834 U CN 209166834U CN 201821803711 U CN201821803711 U CN 201821803711U CN 209166834 U CN209166834 U CN 209166834U
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- wind tunnel
- tunnel test
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Abstract
The purpose of the application is to provide a kind of soundproofed cabin suitable for automobile wind tunnel test, including hatch door, cabin window and windscreen assembly to be measured, hatch door is located at the side of the soundproofed cabin, cabin window is located at a front surface and a side surface of the soundproofed cabin, windscreen assembly to be measured includes windshield and the window frame with the windshield thickness matching, windshield is fixed on the window frame, window frame is detachably connected on the cabin window, so that the method for the automobile wind tunnel test realized using above-mentioned soundproofed cabin can be with quick-replaceable windshield, determine the influence that thickness of glass makes an uproar to wind, improve automobile wind tunnel conventional efficient.
Description
Technical field
The application belongs to field of mechanical technique, and in particular to a kind of soundproofed cabin suitable for automobile wind tunnel test.
Background technique
Automobile wind tunnel test is that automobile or car model are placed in automobile wind tunnel, and opening blower generates wind-tunnel admittedly
Determine wind speed, and acquire pneumatic six square phase suffered by automobile or car model under fixed wind speed, obtains six by data processing
Component coefficient；Body of a motor car surface Pneumatic pressure data can also be acquired, know that its bodywork surface pressure is distributed；It can also be by
Etc. FLOW VISUALIZATIONs and measurement means, obtain automobile surrounding flow condition.Pass through learning gas flowing and automobile or automobile mould
The interaction of type, and then understand the air dynamic behaviour of automobile.
Research for the aeroacoustics problem in automobile wind tunnel test, the early period being mainly used in during automobile research
Development phase, the purpose is to measure wind of the car model in wind tunnel test to make an uproar.It is a kind of air power noise that wind, which is made an uproar, is vapour
The main noise of overall height speed when driving.The noise that car inside is experienced is easy to produce at glass for vehicle window position, therefore studies vehicle
The influence that glass pane thickness makes an uproar to wind is necessary.Car model commonly used in the prior art for wind tunnel test is not provided with
On the one hand vehicle window is unable to measure out windshield wind different under different situations and makes an uproar as a result, not can determine that the vehicle of automobile
The influence that glass pane thickness makes an uproar to wind, on the other hand, the car model for test are complete vehicle structure model, higher cost.
Utility model content
The main purpose of the application is to provide a kind of soundproofed cabin suitable for automobile wind tunnel test, to solve above-mentioned refer to
Problems of the prior art.
In order to achieve the above objectives, the technical way of the application there is provided it is a kind of suitable for automobile wind tunnel test every
Sound cabin, the soundproofed cabin include hatch door, cabin window and windscreen assembly to be measured, and the cabin door structure is located at the one of the soundproofed cabin
Side, the cabin window are located at a front surface and a side surface of the soundproofed cabin, the windscreen assembly to be measured include windshield and with
The window frame of the windshield thickness matching, the windshield are fixed on the window frame, and the window frame is detachably connected
On the cabin window.
Further, it is provided with bulge-structure on the window frame, is provided on the cabin window and cooperates with the bulge-structure
Card slot.
Further, the cabin window is surrounded by groove, and placing sealing strip in the groove seals cabin window.
Further, the window frame is provided with screw hole, and the screw hole is by being fixed on institute for the window frame with screw fit
It states on the window of cabin.
Further, the soundproofed cabin outer wall is provided with acoustic material.
Further, the soundproofed cabin further includes support column, and connecting cabin window on the upside of the support column, downside connects cabin bottom
Portion supports cabin.
Further, cavernous structure is set among the support column.
Further, the cavernous structure is made an uproar detecting instrument for placing wind.
Further, door handle is provided on the hatch door.
A kind of method of automobile wind tunnel test is included the following steps: using the soundproofed cabin for being suitable for automobile wind tunnel test
Step 1 chooses the windshield to be measured of preset thickness；
The windshield to be measured is fixed on on the window frame of the thickness matching, forms the glass to be measured that keeps out the wind by step 2
Glass component；
The windscreen assembly to be measured is fixed on the window of cabin by step 3；
Step 4 checks the acoustic material tiling situation of soundproofed cabin outer wall；
Step 5 opens car door after confirmation tiling situation meets the requirements, and places wind and makes an uproar test equipment；
Step 6 closes hatch door, opens wind and makes an uproar test equipment, in soundproofed cabin close beta and records windshield in wind
Wind under speed variation is made an uproar numerical value；
Step 7 dismantles the windscreen assembly to be measured, repeats step 1.
The window frame that the application is implemented on the soundproofed cabin cabin window provided is detachable, and windshield to be measured can be fixed on window frame
Windscreen assembly to be measured is formed together to be mounted on again on the window of cabin, can quickly be installed or removed, and making an uproar in wind can be in test
The influence that the windshield of different-thickness makes an uproar to wind is determined by quickly replacing the windshield of different-thickness to cabin window, is mentioned
High wind is made an uproar test efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram for the soundproofed cabin that the application is suitable for automobile wind tunnel test；
Fig. 2 is the schematic diagram of the windscreen assembly to be measured of soundproofed cabin shown in Fig. 1；
Fig. 3 is the hatch door of soundproofed cabin and the schematic diagram of support column shown in Fig. 1；
Fig. 4 is the schematic diagram of the window frame of windscreen assembly to be measured shown in Fig. 2；
Fig. 5 is the windshield schematic diagram of windscreen assembly to be measured shown in Fig. 2；
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Whole description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art do not make obtained every other under the premise of creative work again
Embodiment shall fall in the protection scope of this application.
Soundproofed cabin 1 suitable for automobile wind tunnel test as shown in Figure 1, including hatch door 2, cabin window 3 and windshield to be measured
Component 4, the hatch door 2 are located at the side of the soundproofed cabin 1, and the cabin window 3 is located at a front surface and a side surface of the soundproofed cabin, described
Windscreen assembly 4 includes windshield 42 and the window frame 41 with the windshield thickness matching, the windshield 42
It is fixed on the window frame 41, the window frame 41 is detachably connected on the cabin window 3.Cabin window 3 divides for front window and side window, preceding
Window is located at the front of soundproofed cabin 1, is equivalent to the front windshield wind of motor vehicle, and side window is located at the side of soundproofed cabin 1, is equivalent to motor vehicle
Side window.
Windscreen assembly 4 as shown in Figure 2, the window frame including windshield 42 and with the windshield thickness matching
41.Window frame 41 can be very easily mounted on the cabin window 3 of soundproofed cabin 1, and easily removable.In order to realize windshield 42
Quick-replaceable can make multiple window frames according to the cabin window size of soundproofed cabin 1 and the thickness of windshield to be measured 42 in the application
41, each window frame 41 can be fixed together with the windshield 42 of respective thickness, form windscreen assembly 4.Window frame 41 with
There are many fixed forms of windshield 42, and by the way of bonding, the thickness of front window windshield is generally greater than the present embodiment
Side window glass thickness, it is preferred that preceding window frame and front windshield mounting surface reserve 2mm gluing face, side window window frame and side block wind
Glass mounting surface reserves 1mm gluing face.
In a kind of embodiment of the application, window frame 41 is equipped with bulge-structure 412, is provided with card slot 31 on cabin window 3, convex
Playing structure 412 can cooperate with card slot 31, windscreen assembly 4 is placed on cabin window 3, windscreen assembly 4 is at this time
Unstable state.Screw hole 411 is additionally provided on window frame 41, screw hole is distributed one at interval of 300mm, will match with 411 size of screw hole
The screw of conjunction is screwed into screw hole 411, windscreen assembly 4 can be fixed on cabin window 2.
Cabin window 3 is surrounded by groove 32, can place sealing strip in groove 32.Preferably, sealing strip model diameter 8mm
Column sealed item.After windscreen assembly 4 is mounted on cabin window 3, in cabin, 3 surrounding of window installs sealing strip, realizes cabin window 3
Be fully sealed.
Hatch door 2 as shown in Figure 3, the internal structure of hatch door 2 include guide sleeve 21, hinge 22 and guiding axis 23.Wherein lead
It is connect to axis 23 with guide sleeve 21, controls the guiding of hatch door 2, hatch door 2 is fixed on soundproofed cabin 1 by hinge 22.
Support column 5 as shown in Figure 3, support column 5 are fixed on inside soundproofed cabin 1, upside connecting cabin window 3, downside connection every
1 bottom of sound cabin, supports entire cabin.It is operator seat on the left of support column 5, cavernous structure is set among support column 5, wind is made an uproar test
Instrument passes through cavernous structure and is placed in operator seat.Tester makes an uproar test data in operator seat record wind.
It is equipped with door handle on the outside of hatch door 2, hatch door 2 can be pulled open by door handle.Hatch door passes through among support column 5 after opening
Cavernous structure, can be convenient and place wind and make an uproar detecting instrument.
The outer wall of soundproofed cabin 1 is provided with acoustic material.In a kind of embodiment of the application, the outer wall of soundproofed cabin 1 has two
Layer acoustic material, internal layer are sound-isolating sponge, and outer layer is certain thickness sound insulating sheet material.Acoustic material is arranged in soundproofed cabin outer wall can
To completely cut off ambient noise, it is further reduced velocity of sound, accurately tests out the influence that the windshield of different-thickness makes an uproar to wind.
Automobile wind based on soundproofed cabin 1 is made an uproar the method for test, is included the following steps:
Step 1 chooses the windshield to be measured 42 of preset thickness；
Step 2, by the windshield 42 to be measured be fixed on on the matched window frame 41 of windshield to be measured, formed to
Detect windscreen assembly 4；
The windscreen assembly 4 to be measured is screwed on cabin window 3, places in 3 groove of cabin window by step 3
Sealing strip seals cabin window；
Step 4 checks the acoustic material tiling situation of 1 outer wall of soundproofed cabin, it is ensured that the leakproofness of soundproofed cabin 1；
Step 5, confirmation 1 outer wall of soundproofed cabin acoustic material tiling situation meet wind make an uproar test requirement after, open hatch door
2, wind test equipment of making an uproar is placed in operator seat across the cavernous structure of support column 5.
Step 6, tester enter soundproofed cabin 1, close hatch door 2, open wind and make an uproar test equipment, survey inside soundproofed cabin 1
It tries and the wind recorded inside soundproofed cabin 1 under wind speed variation is made an uproar numerical value；
Step 7 dismantles the windscreen assembly 4 to be measured, then restarts to execute by step 1, choose other thickness
The windshield to be measured 42 of degree, is successively bonded in using the windshield to be measured 42 of different-thickness and is matched with windshield 42 to be measured
Window frame 41 on, complete one group of wind and make an uproar test.After the test, wind measured in soundproofed cabin 1 is made an uproar into data by simulating meter
It calculates, to adjust the moulding and inner space accounting of automobile.
Combine figure embodiment that the application is described in detail above, those skilled in the art can be according to upper
It states and bright many variations example is made to the application.Thus, certain details in embodiment should not constitute the restriction to the application, this
Apply the protection scope using the range that the appended claims define as the application.
Claims (9)
1. a kind of soundproofed cabin suitable for automobile wind tunnel test, it is characterised in that: the soundproofed cabin includes hatch door, cabin window and to be measured
Windscreen assembly, the hatch door are located at the side of the soundproofed cabin, and the cabin window is located at a front surface and a side surface of the soundproofed cabin,
The windscreen assembly to be measured includes windshield and the window frame with the windshield thickness matching, the windshield
It is fixed on the window frame, the window frame is detachably connected on the cabin window.
2. the soundproofed cabin according to claim 1 suitable for automobile wind tunnel test, it is characterised in that: be arranged on the window frame
There is bulge-structure, the card slot with bulge-structure cooperation is provided on the cabin window.
3. the soundproofed cabin according to claim 1 suitable for automobile wind tunnel test, it is characterised in that: the cabin window surrounding is set
Fluted, sealing strip is placed in the groove seals cabin window.
4. the soundproofed cabin according to claim 1 suitable for automobile wind tunnel test, it is characterised in that: the window frame is provided with
Screw hole, the window frame by being fixed on the cabin window by the screw hole with screw fit.
5. a kind of soundproofed cabin suitable for automobile wind tunnel test according to claim 1, it is characterised in that: the soundproofed cabin
Outer wall is provided with acoustic material.
6. a kind of soundproofed cabin suitable for automobile wind tunnel test according to claim 1, it is characterised in that: the soundproofed cabin
It further include support column, connecting cabin window on the upside of the support column, downside connects soundproofed cabin bottom, supports soundproofed cabin.
7. a kind of soundproofed cabin suitable for automobile wind tunnel test according to claim 6, it is characterised in that: the support column
Centre setting cavernous structure.
8. a kind of soundproofed cabin suitable for automobile wind tunnel test according to claim 7, it is characterised in that: the poroid knot
Structure is made an uproar detecting instrument for placing wind.
9. a kind of soundproofed cabin suitable for automobile wind tunnel test according to claim 1, it is characterised in that: on the hatch door
It is provided with door handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803711.2U CN209166834U (en) | 2018-11-02 | 2018-11-02 | A kind of soundproofed cabin suitable for automobile wind tunnel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803711.2U CN209166834U (en) | 2018-11-02 | 2018-11-02 | A kind of soundproofed cabin suitable for automobile wind tunnel test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209166834U true CN209166834U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821803711.2U Active CN209166834U (en) | 2018-11-02 | 2018-11-02 | A kind of soundproofed cabin suitable for automobile wind tunnel test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238746A (en) * | 2018-11-02 | 2019-01-18 | 上海海维斯特汽车设计有限公司 | A kind of soundproofed cabin and its test method suitable for automobile wind tunnel test |
-
2018
- 2018-11-02 CN CN201821803711.2U patent/CN209166834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238746A (en) * | 2018-11-02 | 2019-01-18 | 上海海维斯特汽车设计有限公司 | A kind of soundproofed cabin and its test method suitable for automobile wind tunnel test |
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