CN105628394A - Noise detection method of oil tank - Google Patents
Noise detection method of oil tank Download PDFInfo
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- CN105628394A CN105628394A CN201510976473.XA CN201510976473A CN105628394A CN 105628394 A CN105628394 A CN 105628394A CN 201510976473 A CN201510976473 A CN 201510976473A CN 105628394 A CN105628394 A CN 105628394A
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- fuel tank
- decibel
- measuring method
- noise measuring
- oil tank
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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)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention discloses a noise detection method of an oil tank. The method comprises the steps of (1) fixing the oil tank to a rocking bench, and carrying out the shaking of multiple angles of a simulation road condition on the oil tank, (2) sensing the sound decibel in the oil tank and judging the decibel of sound, (and 3) reducing the shaking angle of the oil tank until the sound decibel of the oil tank is equal to a preset decibel in the condition that the sound decibel exceeds a preset decibel, and storing the shaking angle value of the oil tank, or increasing the shaking angle of the oil tank until the sound decibel of the oil tank is equal to the preset decibel in the condition that the sound decibel is lower than the preset decibel, and storing the shaking angle value of the oil tank. According to the noise detection method, the problem that the oil tank decibel value in the use process of the oil tank can not be detected in the prior art is overcome, and the noise detection of the oil tank is achieved.
Description
Technical field
The present invention relates to the field of the noise measuring of fuel tank, in particular it relates to the noise measuring method of fuel tank.
Background technology
Fuel tank of vehicle is the full name of automotive oil tank. Currently, along with the development of the development of auto industry and domestic automobile industry, Ge great automobile production enterprise to the demand of fuel tank of vehicle in rising appreciably trend.
Fuel tank is in the process used, it is possible to causing that fuel tank noise is excessive due to the unstable of road conditions, fuel tank should have certain soundproof effect, but for whether fuel tank soundproof effect reaches requirement, how to detect, and is the problem needing solution in this area badly.
Summary of the invention
It is an object of the invention to provide a kind of noise measuring method of fuel tank, the noise measuring method of this fuel tank overcomes the problem that cannot the fuel tank decibel value in fuel tank use procedure be detected in prior art, it is achieved that the noise measuring of fuel tank.
To achieve these goals, the invention provides a kind of noise measuring method of fuel tank, the noise measuring method of this fuel tank includes:
Step 1, is fixed on fuel tank and rocks on stand, and multiple angles that fuel tank is simulated road conditions are rocked;
Step 2, the sound decibel of sensing fuel tank internal, and the decibel of described sound is judged;
Step 3, when described sound decibel exceedes default decibel, that reduces described fuel tank rocks angle until the sound decibel of described fuel tank is equal to described default decibel, and what preserve described fuel tank rocks angle value; Or
When described sound decibel is lower than default decibel, what increase described fuel tank rocks angle until the sound decibel of described fuel tank is equal to described default decibel, and what preserve described fuel tank rocks angle value.
Preferably, in step 1, multiple angles that fuel tank is simulated road conditions are rocked, and wherein, rock angle and include: 5 degree, 20 degree, 40 degree and 50 degree.
Preferably, in step 1, mike is arranged on the outer surface of fuel tank, the sound decibel that the inside fluid to sense described fuel tank rocks.
Preferably, rock described in stand obtain electric after rotating with the speed of 20 degree per second.
Preferably, in step 3, when described sound decibel exceedes default decibel, warning reminding is carried out.
Preferably, the described stand that rocks includes: casing, swivel plate, rotation board shaft, bearing, reduction box, shaft coupling and servomotor, described rotation board shaft arranges and is fixed in the vertical lower section of described swivel plate, and two ends are able to rotatably run through described casing, the outer surface of described rotation board shaft is connected to one end of described reduction box by bearing, the other end of described reduction box is connected to the rotor of described servomotor by shaft coupling, and the shell of described servomotor is installed in described casing.
Preferably, the arranged outside of described bearing has bearing spider, described bearing spider to be arranged at the outside of described bearing, and is fixed in the lower surface of described swivel plate.
Preferably, described reduction box includes: casing, main shaft and countershaft, and described main shaft is connected in the rotating shaft of described servomotor, and one end of described countershaft is connected to described main shaft, and the other end is connected to described bearing.
By above-mentioned embodiment, the noise measuring of fuel tank can be realized, by rocking stand, situation in simulation true road conditions, thus the noise situation of fuel tank is detected, level of noise for fuel tank specifies a limit, and the maximum angle of rocking can born for fuel tank carries out detection judgement, thus detecting that whether fuel tank is qualified.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below. In the accompanying drawings:
Fig. 1 is a kind of Facad structure schematic diagram rocking stand that the present invention is described;
Fig. 2 is a kind of structural representation overlooking face rocking stand that the present invention is described.
Description of reference numerals
1 casing 2 swivel plate
3 rotate board shaft 4 bearing
5 reduction box 6 shaft couplings
7 servomotor 8 bearing spiders
9 collar 10 depression bars
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail. It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
In the present invention, when not making contrary explanation, the noun of locality of use typically refers to as shown in Figure 1 or 2 up and down such as " upper and lower, left and right ". It is interior and outer that " inside and outside " refers in specific profile. It is remote and near that " remote, near " refers to relative to certain parts.
The present invention provides a kind of noise measuring method of fuel tank, and the noise measuring method of this fuel tank includes:
Step 1, is fixed on fuel tank and rocks on stand, and multiple angles that fuel tank is simulated road conditions are rocked;
Step 2, the sound decibel of sensing fuel tank internal, and the decibel of described sound is judged;
Step 3, when described sound decibel exceedes default decibel, that reduces described fuel tank rocks angle until the sound decibel of described fuel tank is equal to described default decibel, and what preserve described fuel tank rocks angle value; Or
When described sound decibel is lower than default decibel, what increase described fuel tank rocks angle until the sound decibel of described fuel tank is equal to described default decibel, and what preserve described fuel tank rocks angle value.
The present invention is by judging sound decibel, when exceeding default decibel, that reduces fuel tank rocks angle, can obtain fuel tank maximum rock angle, under when lower than default decibel, may determine that and maximum rock angle, thus the noise of fuel tank is detected, draw the size of the ability of the isolation noise of detected fuel tank.
By above-mentioned embodiment, the noise measuring of fuel tank can be realized, by rocking stand, situation in simulation true road conditions, thus the noise situation of fuel tank is detected, level of noise for fuel tank specifies a limit, and the maximum angle of rocking can born for fuel tank carries out detection judgement, thus detecting that whether fuel tank is qualified.
Below in conjunction with accompanying drawing 1, the present invention is further detailed, in the present invention, in order to improve the scope of application of the present invention, uses following detailed description of the invention to realize especially.
In a kind of detailed description of the invention of the present invention, in step 1, multiple angles that fuel tank is simulated road conditions are rocked, and wherein, rock angle and include: 5 degree, 20 degree, 40 degree and 50 degree. By above-mentioned mode, it is possible to the angle rocked is replaced, specifically there is following angle adjustment.
In a kind of detailed description of the invention of the present invention, in step 1, mike is arranged on the outer surface of fuel tank, the sound decibel that the inside fluid to sense described fuel tank rocks. By above-mentioned mode, mike is arranged on fuel tank outer surface, for the noise of fuel tank internal, it is possible to the mike arranged by outside is detected.
In a kind of detailed description of the invention of the present invention, described in rock stand obtain electric after rotating with the speed of 20 degree per second. Rock speed uniformly, it is possible to make the detection of fuel tank more accurate.
In a kind of detailed description of the invention of the present invention, in step 3, when described sound decibel exceedes default decibel, warning reminding is carried out. Operator can be pointed out by warning reminding, and surface acoustic decibel is too big, has been maxed out more than value.
In a kind of detailed description of the invention of the present invention, the described stand that rocks may include that casing 1, swivel plate 2, rotate board shaft 3, bearing 4, reduction box 5, shaft coupling 6 and servomotor 7, described rotation board shaft 3 arranges and is fixed in the vertical lower section of described swivel plate 2, and two ends are able to rotatably run through described casing 1, the outer surface of described rotation board shaft 3 is connected to one end of described reduction box 5 by bearing 4, the other end of described reduction box 5 is connected to the rotor of described servomotor 7 by shaft coupling 6, the shell of described servomotor 7 is installed in described casing 1.
The above-mentioned stand that rocks can by upper surface realization the fixing to drive fuel tank to rotate for fuel tank of swivel plate 2, and plate 2 is rotated rotates by servomotor 7, reduction box 5 and shaft coupling 6, and realize the situation that simulation road conditions are jolted, by visual observation, whether observation has fluid to spill or the situation of excessive noise occurs, thus the durability characteristics of fuel tank is detected.
By above-mentioned embodiment, the present invention rocks stand and can true road conditions be simulated, realize real rotating to rock, and the angle rocked can be adjusted, pass through assembly of the invention, it is possible to achieve driven by motor swivel plate 2 rotates, to drive fuel tank to rock, thus the resistance to performance of rocking of fuel tank is detected, and conveniently noise level is detected.
In this kind of embodiment, the arranged outside of described bearing 4 has bearing spider 8, described bearing spider 8 to be arranged at the outside of described bearing 4, and is fixed in the lower surface of described swivel plate 2. By above-mentioned embodiment, it is possible to achieve the support of bearing 4 so that bearing 4 is more stable.
In a kind of detailed description of the invention of the present invention, described reduction box 5 may include that casing, main shaft and countershaft, described main shaft are connected in the rotating shaft of described servomotor 7, and one end of described countershaft is connected to described main shaft, and the other end is connected to described bearing 4.
By above-mentioned setting, it is possible to allow rotating speed slow down, realized the reduction of rotating speed by the main shaft being provided with and countershaft, the convenient utilization for motor speed so that fuel tank rock the situation more meeting actual road conditions.
In this kind of embodiment, one 90 degree are formed between described main shaft and countershaft, achieve arranging of motor on the one hand and can be secured transverse in casing 1, casing 1 is made to be unlikely to too big, the conversion of angle can also be realized on the other hand, further facilitated the deceleration for rotating speed, consequently facilitating for the present invention fuel tank rock detection.
In this kind of embodiment, the lateral surface of described main shaft is provided with the first groove, the lateral surface of described countershaft is provided with the second groove being meshed with described first groove. Realizing main shaft by the first groove of above-mentioned setting and the second groove drives countershaft to rotate, it is achieved rotating and fuel tank rock experiment.
In a kind of detailed description of the invention of the present invention, the upper surface of described swivel plate 2 being provided with fixture, described fixture is fixing treats rolling moving part. Fixture can realize treating rolling moving part fixing on swivel plate 2, will not shake.
In this kind of embodiment, described fixture may include that the collar 9 and depression bar 10, the described collar 9 are distributed on four corners of described swivel plate 2, and described depression bar 10 vertically moving can treat rolling moving part described in propping up. Realize treating that rolling the flexible of moving part compresses by depression bar 10, and by stationary rope, fuel tank can be fixed by the collar 9.
In this kind of embodiment, described depression bar 10 may include that pedestal and push rod, described floor installation in the upper surface of described swivel plate 2, described push rod slide in the susceptor to prop up described in wait to shake moving part. Flexible compressing conveniently is carried out by pedestal and arranging of push rod.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. the noise measuring method of a fuel tank, it is characterised in that the noise measuring method of this fuel tank includes:
Step 1, is fixed on fuel tank and rocks on stand, and multiple angles that fuel tank is simulated road conditions are rocked;
Step 2, the sound decibel of sensing fuel tank internal, and the decibel of described sound is judged;
Step 3, when described sound decibel exceedes default decibel, that reduces described fuel tank rocks angle until the sound decibel of described fuel tank is equal to described default decibel, and what preserve described fuel tank rocks angle value; Or
When described sound decibel is lower than default decibel, what increase described fuel tank rocks angle until the sound decibel of described fuel tank is equal to described default decibel, and what preserve described fuel tank rocks angle value.
2. the noise measuring method of fuel tank according to claim 1, it is characterised in that in step 1, multiple angles that fuel tank is simulated road conditions are rocked, and wherein, rock angle and include: 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, mike is arranged on the outer surface of fuel tank, the sound decibel that the inside fluid to sense described fuel tank rocks.
4. the noise measuring method of fuel tank according to claim 1, it is characterised in that described in rock stand obtain electric after rotating with the speed of 20 degree per second.
5. the noise measuring method of fuel tank according to claim 1, it is characterised in that in step 3, when described sound decibel exceedes default decibel, carries out warning reminding.
6. the noise measuring method of fuel tank according to claim 1, it is characterized in that, the described stand that rocks includes: casing (1), swivel plate (2), rotate board shaft (3), bearing (4), reduction box (5), shaft coupling (6) and servomotor (7), described rotation board shaft (3) arranges and is fixed in the vertical lower section of described swivel plate (2), and two ends are able to rotatably run through described casing (1), the outer surface of described rotation board shaft (3) is connected to one end of described reduction box (5) by bearing (4), the other end of described reduction box (5) is connected to the rotor of described servomotor (7) by shaft coupling (6), the shell of described servomotor (7) is installed in described casing (1).
7. the noise measuring method of fuel tank according to claim 6, it is characterized in that, the arranged outside of described bearing (4) has bearing spider (8), described bearing spider (8) is arranged at the outside of described bearing (4), and is fixed in the lower surface of described swivel plate (2).
8. the noise measuring method of fuel tank according to claim 6, it is characterized in that, described reduction box (5) including: casing, main shaft and countershaft, described main shaft is connected in the rotating shaft of described servomotor (7), one end of described countershaft is connected to described main shaft, and the other end is connected to described 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 |
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| Publication Number | Publication Date |
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| CN105628394A true CN105628394A (en) | 2016-06-01 |
| CN105628394B CN105628394B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510976473.XA Active CN105628394B (en) | 2015-12-22 | 2015-12-22 | The noise measuring method of fuel tank |
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| CN (1) | CN105628394B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109459128A (en) * | 2018-09-27 | 2019-03-12 | 上海理工大学 | A kind of fuel tank of vehicle oil liquid whine noise test macro |
| 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459128A (en) * | 2018-09-27 | 2019-03-12 | 上海理工大学 | A kind of fuel tank of vehicle oil liquid whine noise test macro |
| 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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| Publication number | Publication date |
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| CN105628394B (en) | 2018-05-08 |
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