CN105628394B - The noise measuring method of fuel tank - Google Patents
The noise measuring method of fuel tank Download PDFInfo
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- CN105628394B CN105628394B CN201510976473.XA CN201510976473A CN105628394B CN 105628394 B CN105628394 B CN 105628394B CN 201510976473 A CN201510976473 A CN 201510976473A CN 105628394 B CN105628394 B CN 105628394B
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- fuel tank
- decibel
- measuring method
- noise measuring
- sound
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of noise measuring method of fuel tank, the noise measuring method of the fuel tank includes：Step 1, fuel tank is fixed on and rocked on rack, multiple angles that simulation road conditions are carried out to fuel tank are rocked；Step 2, sense the sound decibel of fuel tank internal, and the decibel of sound is judged；Step 3, in the case where sound decibel exceedes default decibel, reduce fuel tank rocks angle until the sound decibel of fuel tank is equal to default decibel, and preserve fuel tank rocks angle value；Or in the case where sound decibel is less than default decibel, increase fuel tank rocks angle until the sound decibel of fuel tank is equal to default decibel, and preserve fuel tank rocks angle value.The noise measuring method of the fuel tank is overcome the problem of can not being detected in the prior art to the fuel tank decibel value during fuel tank use, realizes the noise measuring of fuel tank.
Description
Technical field
The present invention relates to the field of the noise measuring of fuel tank, and in particular, to the noise measuring method of fuel tank.
Background technology
Fuel tank of vehicle is the full name of automotive oil tank.Currently, with the development of auto industry and domestic automobile industry shake
Emerging, major automobile production enterprise is to the demand of fuel tank of vehicle in the trend that rises appreciably.
Fuel tank may cause fuel tank noise excessive, fuel tank should have during use due to the unstable of road conditions
Certain soundproof effect, but whether reach requirement for fuel tank soundproof effect, how to be detected, be that there is an urgent need for solution in this area
Certainly the problem of.
The content of the invention
The object of the present invention is to provide a kind of noise measuring method of fuel tank, the noise measuring method of the fuel tank overcomes now
There is the problem of can not being detected in technology to the fuel tank decibel value during fuel tank use, realize the noise measuring of fuel tank.
To achieve these goals, the present invention provides a kind of noise measuring method of fuel tank, the noise measuring of the fuel tank
Method includes：
Step 1, fuel tank is fixed on and rocked on rack, multiple angles that simulation road conditions are carried out to fuel tank are rocked；
Step 2, sense the sound decibel of fuel tank internal, and the decibel of the sound is judged；
Step 3, in the case where the sound decibel exceedes default decibel, reduce the fuel tank rocks angle until institute
The sound decibel for stating fuel tank is equal to the default decibel, and preserve the fuel tank rocks angle value；Or
In the case where the sound decibel is less than default decibel, increase the fuel tank rocks angle until the fuel tank
Sound decibel be equal to the default decibel, preserve the fuel tank rocks angle value.
Preferably, in step 1, multiple angles that simulation road conditions are carried out to fuel tank are rocked, wherein, rock angle bag
Include：5 degree, 20 degree, 40 degree and 50 degree.
Preferably, in step 1, microphone is arranged on the outer surface of fuel tank, to sense the interior oil of the fuel tank
The sound decibel that liquid rocks.
Preferably, it is described rock rack obtain it is electric after rotated with 20 degree per second of speed.
Preferably, in step 3, in the case where the sound decibel exceedes default decibel, warning reminding is carried out.
Preferably, the rack that rocks includes：Casing, swivel plate, rotation board shaft, bearing, reduction box, shaft coupling and servo
Motor, the rotation board shaft sets and is fixed in the vertical lower section of the swivel plate, and both ends are able to rotatably pass through
Wear the casing, the outer surface of the rotation board shaft is connected to one end of the reduction box by bearing, the reduction box it is another
One end is connected to the rotor of the servomotor by shaft coupling, and the shell of the servomotor is installed on the casing.
Preferably, bearing spider is provided with the outside of the bearing, the bearing spider is arranged at the outside of the bearing,
And it is fixed in the lower surface of the swivel plate.
Preferably, the reduction box includes：Babinet, main shaft and countershaft, the main shaft are connected to turning for the servomotor
On axis, one end of the countershaft is connected to the main shaft, and the other end is connected to the bearing.
Pass through above-mentioned embodiment, it is possible to achieve the noise measuring of fuel tank, by rocking rack, is simulated in true road conditions
Situation, so as to be detected to the noise situation of fuel tank, a limit is provided for the level of noise of fuel tank, can for fuel tank
Angle is rocked with the maximum born and is detected judgement, so as to detect whether fuel tank is qualified.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of positive structure schematic for rocking rack for illustrating the present invention；
Fig. 2 is the structure diagram for illustrating a kind of vertical view face for rocking rack of the present invention.
Description of reference numerals
1 casing, 2 swivel plate
3 rotation 4 bearings of board shaft
5 reduction box, 6 shaft coupling
7 servomotor, 8 bearing spider
9 lantern ring, 10 compression bar
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making conversely explanation, the noun of locality such as " upper and lower, left and right " used typically refers to
As shown in Figure 1 or 2 up and down." inside and outside " refer in specific profile it is interior with it is outer." remote, near " refers to relative to some
Component it is remote with it is near.
The present invention provides a kind of noise measuring method of fuel tank, and the noise measuring method of the fuel tank includes：
Step 1, fuel tank is fixed on and rocked on rack, multiple angles that simulation road conditions are carried out to fuel tank are rocked；
Step 2, sense the sound decibel of fuel tank internal, and the decibel of the sound is judged；
Step 3, in the case where the sound decibel exceedes default decibel, reduce the fuel tank rocks angle until institute
The sound decibel for stating fuel tank is equal to the default decibel, and preserve the fuel tank rocks angle value；Or
In the case where the sound decibel is less than default decibel, increase the fuel tank rocks angle until the fuel tank
Sound decibel be equal to the default decibel, preserve the fuel tank rocks angle value.
The present invention is by judging sound decibel, and in the case of more than default decibel, reduce fuel tank rocks angle
Degree, can obtain fuel tank maximum rocks angle, in the case of less than default decibel, it can be determined that maximum rocks angle
Degree, so as to be detected to the noise of fuel tank, draws the size of the ability of the isolation noise of detected fuel tank.
Pass through above-mentioned embodiment, it is possible to achieve the noise measuring of fuel tank, by rocking rack, is simulated in true road conditions
Situation, so as to be detected to the noise situation of fuel tank, a limit is provided for the level of noise of fuel tank, can for fuel tank
Angle is rocked with the maximum born and is detected judgement, so as to detect whether fuel tank is qualified.
The present invention is further detailed below in conjunction with attached drawing 1, in the present invention, in order to improve being applicable in for the present invention
Scope, is especially realized using following embodiments.
The present invention a kind of embodiment in, in step 1, to fuel tank carry out simulation road conditions multiple angles into
Row rocks, wherein, rocking angle includes：5 degree, 20 degree, 40 degree and 50 degree., can be to the angle rocked by above-mentioned mode
Replaced, specifically there is following angle adjustment.
In a kind of embodiment of the present invention, in step 1, microphone is arranged on the outer surface of fuel tank,
To sense the sound decibel that the internal oil of the fuel tank is rocked.Microphone is arranged on by fuel tank appearance by above-mentioned mode
Face, for the noise of fuel tank internal, can be detected by the microphone that outside is set.
In a kind of embodiment of the present invention, it is described rock rack obtain it is electric after carried out with 20 degree per second of speed
Rotation.Speed uniformly is rocked, the detection of fuel tank can be allowed more accurate.
In a kind of embodiment of the present invention, in step 3, exceed the feelings of default decibel in the sound decibel
Under condition, warning reminding is carried out.Warning reminding can prompt operator, and surface acoustic decibel is too big, have been maxed out value with
On.
In a kind of embodiment of the present invention, the rack that rocks can include：Casing 1, swivel plate 2, rotation
Board shaft 3, bearing 4, reduction box 5, shaft coupling 6 and servomotor 7, the rotation board shaft 3 set and are fixed in the swivel plate 2
Vertical lower section, and both ends are able to rotatably run through the casing 1, the outer surface of the rotation board shaft 3 passes through bearing 4
One end of the reduction box 5 is connected to, the other end of the reduction box 5 is connected to turning for the servomotor 7 by shaft coupling 6
Son, the shell of the servomotor 7 are installed on the casing 1.
The above-mentioned rack that rocks can realize the fixation for fuel tank to drive fuel tank to carry out by the upper surface of swivel plate 2
Rotation, and drive swivel plate 2 to be rotated by servomotor 7, reduction box 5 and shaft coupling 6, and realize what simulation road conditions were jolted
Situation, by visual observation, whether observation has fluid to spill or the situation of excessive noise, so that the durable spy to fuel tank
Property is detected.
It is of the invention to rock rack and true road conditions be simulated by above-mentioned embodiment, realize real
Rotating is rocked, and the angle rocked can be adjusted, and pass through the device of the invention, it is possible to achieve motor drives swivel plate 2
Rotate, to drive fuel tank to rock, so as to be detected to the resistance to performance of rocking of fuel tank, and conveniently noise level is detected.
In this kind of embodiment, the outside of the bearing 4 is provided with bearing spider 8, and the bearing spider 8 is arranged at institute
The outside of bearing 4 is stated, and is fixed in the lower surface of the swivel plate 2.Pass through above-mentioned embodiment, it is possible to achieve bearing 4
Support so that bearing 4 is more stablized.
In a kind of embodiment of the present invention, the reduction box 5 can include：Babinet, main shaft and countershaft, it is described
Main shaft is connected in the shaft of the servomotor 7, and one end of the countershaft is connected to the main shaft, and the other end is connected to described
Bearing 4.
By above-mentioned setting, rotating speed can be allowed to be slowed down, rotating speed is realized by the main shaft and countershaft that are provided with
Reduce, the convenient utilization for motor speed so that fuel tank rocks the situation for more meeting actual road conditions.
In this kind of embodiment, one 90 degree are formed between the main shaft and countershaft, on the one hand realizes setting for motor
Putting can be secured transverse in casing 1 so that casing 1 is unlikely to too big, the conversion of angle on the other hand can also be realized, into one
Step facilitates the deceleration for rotating speed, consequently facilitating rocking detection for fuel tank of the invention.
In this kind of embodiment, the first groove is provided with the lateral surface of the main shaft, on the lateral surface of the countershaft
It is provided with the second groove being meshed with first groove.Main shaft is realized by the first groove and the second groove of above-mentioned setting
Countershaft is driven to rotate, that realizes the i.e. fuel tank of rotating rocks experiment.
In a kind of embodiment of the present invention, fixing piece is provided with the upper surface of the swivel plate 2, it is described solid
Determine part and fix moving part to be shaken.Fixing piece can realize fixation of the moving part to be shaken on swivel plate 2, will not shake.
In this kind of embodiment, the fixing piece can include：The lantern ring 9 and compression bar 10, the lantern ring 9 are distributed in described
On four corners of swivel plate 2, the compression bar 10 can be vertically moving to prop up the moving part to be shaken.Pass through compression bar 10
Realize that the flexible of moving part to be shaken compresses, and fuel tank can be fixed by stationary rope by the lantern ring 9.
In this kind of embodiment, the compression bar 10 can include：Pedestal and mandril, the floor installation is in the rotation
The upper surface of plate 2, the mandril are slided to prop up the moving part to be shaken in the susceptor.Pass through the setting side of pedestal and mandril
Just flexible compress is carried out.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (7)
1. a kind of noise measuring method of fuel tank, it is characterised in that the noise measuring method of the fuel tank includes：
Step 1, fuel tank is fixed on and rocked on rack, multiple angles that simulation road conditions are carried out to fuel tank are rocked；
Step 2, sense the sound decibel of fuel tank internal, and the decibel of the sound is judged；
Step 3, in the case where the sound decibel exceedes default decibel, reduce the fuel tank rocks angle until the oil
The sound decibel of case is equal to the default decibel, and preserve the fuel tank rocks angle value；Or
In the case where the sound decibel is less than default decibel, increase the fuel tank rocks angle until the sound of the fuel tank
Cent shellfish is equal to the default decibel, and preserve the fuel tank rocks angle value；
The rack that rocks includes：Casing (1), swivel plate (2), rotation board shaft (3), bearing (4), reduction box (5), shaft coupling
(6) and servomotor (7), the rotation board shaft (3) sets and is fixed in the vertical lower section of the swivel plate (2), and both ends point
It can not rotatably run through the casing (1), the outer surface for rotating board shaft (3) is connected to described by bearing (4)
One end of reduction box (5), the other end of the reduction box (5) are connected to turning for the servomotor (7) by shaft coupling (6)
Son, the shell of the servomotor (7) are installed on the casing (1).
2. the noise measuring method of fuel tank according to claim 1, it is characterised in that in step 1, mould is carried out to fuel tank
The multiple angles for intending road conditions are rocked, wherein, rocking angle includes：5 degree, 20 degree, 40 degree and 50 degree.
3. the noise measuring method of fuel tank according to claim 1, it is characterised in that in step 1, microphone is set
In on the outer surface of fuel tank, to sense the sound decibel that the internal oil of the fuel tank is rocked.
4. the noise measuring method of fuel tank according to claim 1, it is characterised in that it is described rock rack obtain it is electric after with
20 degree per second of speed is rotated.
5. the noise measuring method of fuel tank according to claim 1, it is characterised in that in step 3, in the sound point
In the case that shellfish exceedes default decibel, warning reminding is carried out.
6. the noise measuring method of fuel tank according to claim 1, it is characterised in that the outside of the bearing (4) is set
There is bearing spider (8), the bearing spider (8) is arranged at the outside of the bearing (4), and is fixed in the swivel plate (2)
Lower surface.
7. the noise measuring method of fuel tank according to claim 1, it is characterised in that the reduction box (5) includes：Case
Body, main shaft and countershaft, the main shaft are connected in the shaft of the servomotor (7), and one end of the countershaft is connected to described
Main shaft, the other end are connected to the bearing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976473.XA CN105628394B (en) | 2015-12-22 | 2015-12-22 | The noise measuring method of fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976473.XA CN105628394B (en) | 2015-12-22 | 2015-12-22 | The noise measuring method of fuel tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105628394A CN105628394A (en) | 2016-06-01 |
| CN105628394B true CN105628394B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510976473.XA Active CN105628394B (en) | 2015-12-22 | 2015-12-22 | The noise measuring method of fuel tank |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459128B (en) * | 2018-09-27 | 2021-11-19 | 上海理工大学 | Oil liquid shaking noise test system for automobile fuel tank |
| CN109916503A (en) * | 2019-03-22 | 2019-06-21 | 重庆长安汽车股份有限公司 | A kind of fuel tank rocks sounding method for testing |
| CN113029328A (en) * | 2021-03-12 | 2021-06-25 | 上汽通用五菱汽车股份有限公司 | Fuel tank shaking abnormal sound testing method |
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| CN103162813A (en) * | 2011-12-13 | 2013-06-19 | 鸿富锦精密工业(武汉)有限公司 | Noise test system and noise test method |
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| KR101268777B1 (en) * | 2011-10-31 | 2013-05-29 | 주식회사 현대케피코 | Noise testing system for a fuel pump |
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| CN103162813A (en) * | 2011-12-13 | 2013-06-19 | 鸿富锦精密工业(武汉)有限公司 | Noise test system and noise test method |
| CN103454056A (en) * | 2013-09-05 | 2013-12-18 | 亚普汽车部件股份有限公司 | Simulation brake test table for testing noise of fuel tank |
| CN104457972A (en) * | 2014-11-28 | 2015-03-25 | 长城汽车股份有限公司 | Noise detecting method and system of air conditioner for car and car |
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| CN105628394A (en) | 2016-06-01 |
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