CN218480424U - Noise detection equipment for automobile engine compartment - Google Patents
Noise detection equipment for automobile engine compartment Download PDFInfo
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- CN218480424U CN218480424U CN202222416222.4U CN202222416222U CN218480424U CN 218480424 U CN218480424 U CN 218480424U CN 202222416222 U CN202222416222 U CN 202222416222U CN 218480424 U CN218480424 U CN 218480424U
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- engine compartment
- mounting plate
- noise detection
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Abstract
The utility model relates to the technical field of engine compartment detection, and discloses a noise detection device for an automobile engine compartment, which comprises a compartment body, wherein a noise receiving assembly is arranged on the inner wall of the compartment body, the noise receiving assembly comprises a first mounting plate and is arranged on the inner wall of the compartment body, a damping column is in threaded connection with one side of the first mounting plate, and a support plate is arranged at one end of the damping column and supports a sleeve; with the split type setting of noise receiving assembly and noise analysis subassembly, make the analysis appearance when detecting the noise, can not receive the cabin in environmental impact, pass through shock attenuation supporting mechanism with the noise receiving assembly and fix in the cabin, when cabin or internals vibration, the vibration can not directly transmit on the noise receiving terminal, thereby avoid the noise to influence the testing result, promote the detection precision of noise by a wide margin, furthermore, the noise receiving assembly is equipped with four, can three-dimensionally received noise information, further promote the detection precision of noise.
Description
Technical Field
The utility model relates to an engine compartment detects technical field, specifically is a noise check out test set that automobile engine cabin was used.
Background
The engine compartment generally comprises an engine, an air filter, a storage battery, an engine exhaust system, a throttle valve, a water tank liquid supplementing tank, a relay box, a brake booster pump, an accelerator cable, a window glass cleaning liquid storage tank, a brake liquid storage tank, a fuse and the like. The automobile noise means that when an automobile runs on a road, a large amount of sounds which are not liked by human beings are emitted by an internal combustion engine, a loudspeaker, tires and the like. Automobile noise seriously affects the physical health of people, and the automobile noise mainly comprises: with the increasing requirements of the market on the reliability and safety of vehicles, the problems of thermal aging, thermal failure and the like of automobile parts are concerned more and more by automobile manufacturers. The development of car new technology makes engine compartment interior spare part more and more, and the inside noise in engine compartment also can the grow, consequently, need use noise detection equipment to carry out real-time supervision record to the noise, and the person of facilitating the use in time judges whether trouble appears in the engine compartment
When existing engine noise detection equipment is used, a detector is placed inside an engine compartment, parts inside the engine compartment can drive a detector body to vibrate to generate noise when vibrating, and accordingly detected numerical values are inaccurate and influence on correct recording of the noise.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a noise check out test set that automobile engine cabin was used possesses and avoids the vibration influence to detect the accuracy, improves the advantage that detects the precision, and it is inaccurate to have solved the numerical value that detects out, influences the problem to the correct record of noise.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the noise detection equipment for the automobile engine cabin comprises a cabin body, wherein a noise receiving assembly is mounted on the inner wall of the cabin body, the noise receiving assembly comprises a first mounting plate mounted on the inner wall of the cabin body, a shock absorption column in threaded connection with one side of the first mounting plate, a support plate arranged at one end of the shock absorption column, a support sleeve mounted on the support plate, a microphone arranged at one end of the support sleeve, and a transmission line arranged at the other end of the support sleeve;
the noise analysis subassembly is installed to the lateral wall of the cabin body, the electric property input end of noise analysis subassembly passes through the transmission line with the electric property output end electricity of microphone is connected.
Preferably, four sets of the noise receiving assemblies are arranged, and the four sets of the noise receiving assemblies are distributed on four inner walls of the cabin body.
Preferably, the number of the damping columns is two, and the two damping columns are symmetrically distributed between the first mounting plate and the support plate.
Preferably, the shock absorption column comprises a rubber column fixedly connected to one side of the support plate and a threaded rod in threaded connection with one side of the first mounting plate.
Preferably, a damping gasket is arranged at the joint of the threaded rod and the first mounting plate.
Preferably, a rubber ferrule is arranged at the joint of the support sleeve and the support plate.
Preferably, the noise analysis subassembly includes analysis case, mounting panel two, install in on the outer wall of the cabin body, with the connection can be dismantled to the analysis case, the noise analysis chip, install in the inside of analysis case, and inlet wire pipe, set up in one side of noise analysis chip.
Preferably, one side of the analysis box is fixedly connected with a sliding plate, one side of the second mounting plate is fixedly connected with a sliding rail, and the analysis box and the second mounting plate are connected in a sliding manner through the sliding plate and the sliding rail.
Preferably, the inside wall of analysis case is equipped with inhales the sound cotton.
Preferably, the outer side wall sleeve of the inlet pipe is provided with a sound-absorbing pipe sleeve.
(III) advantageous effects
Compared with the prior art, the utility model provides a noise check out test set that automobile engine cabin was used possesses following beneficial effect:
this noise check out test set that automobile engine cabin was used, through setting up noise receiving assembly and noise analysis subassembly, with the split type setting of noise receiving assembly and noise analysis subassembly, make the analysis appearance when detecting the noise, can not receive the interior environmental impact of cabin, pass through the damping supporting mechanism with the noise receiving assembly and fix in the cabin, when cabin or internals vibrate, the vibration can not directly transmit on the noise receiving end, thereby avoid the noise to influence the testing result, promote the detection precision of noise by a wide margin, furthermore, the noise receiving assembly is equipped with four, four noise receiving assembly central symmetric distributions are in the cabin, can three-dimensional received noise information, further promote the detection precision of noise.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the noise receiving assembly of the present invention;
FIG. 3 is a schematic structural view of a shock-absorbing column of the present invention;
fig. 4 is a schematic structural diagram of the middle noise analyzing assembly of the present invention.
In the figure:
10. a cabin body;
20. a noise receiving assembly; 21. a first mounting plate; 22. a shock-absorbing post; 221. a rubber column; 222. a threaded rod; 223. a shock-absorbing pad; 23. a support plate; 24. a support sleeve; 25. a microphone; 26. a transmission line; 27. a rubber ferrule;
30. a noise analysis component; 31. an analysis box; 32. a slide plate; 33. a second mounting plate; 34. a slide rail; 35. a noise analysis chip; 36. sound-absorbing cotton; 37. a wire inlet pipe; 38. a sound absorbing pipe sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example one
A noise detection device for an automobile engine compartment comprises a cabin body 10, wherein a noise receiving assembly 20 is installed on the inner wall of the cabin body 10, the noise receiving assembly 20 comprises a first mounting plate 21 which is installed on the inner wall of the cabin body 10, a shock absorption column 22 which is in threaded connection with one side of the first mounting plate 21, a support plate 23 which is arranged at one end of the shock absorption column 22, a support sleeve 24 which is installed on the support plate 23, a microphone 25 which is arranged at one end of the support sleeve 24, and a transmission line 26 which is arranged at the other end of the support sleeve 24;
the outer side wall of the cabin 10 is installed with a noise analysis assembly 30, and an electrical input end of the noise analysis assembly 30 is electrically connected with an electrical output end of the microphone 25 through a transmission line 26.
In this embodiment, specifically, there are two damping columns 22, two damping columns 22 are symmetrically distributed between the first mounting plate 21 and the support plate 23, and the two damping columns 22 support the support plate 23 at the same time.
In this embodiment, the shock-absorbing column 22 includes a rubber column 221 fixedly connected to one side of the supporting plate 23 and a threaded rod 222 threadedly connected to one side of the first mounting plate 21, and the rubber column 221 and the threaded rod 222 form the shock-absorbing column 22.
In this embodiment, specifically, a damping washer 223 is disposed at a joint of the threaded rod 222 and the first mounting plate 21, and the damping washer 223 can further isolate vibration between the threaded rod 222 and the first mounting plate 21.
In this embodiment, specifically, a rubber ferrule 27 is disposed at the connection position of the support sleeve 24 and the support plate 23, and the rubber ferrule 27 can further isolate the vibration between the support sleeve 24 and the support plate 23.
In this embodiment, specifically, the noise analysis assembly 30 includes the analysis box 31, and the second mounting plate 33 is installed on the outer wall of the cabin body 10, and is detachably connected to the analysis box 31, and the noise analysis chip 35 is installed inside the analysis box 31, and the inlet wire pipe 37 is installed in one side of the noise analysis chip 35, and the noise analysis chip 35 is installed on the outer wall of the cabin body 10 alone, so as to avoid the influence of the internal environment of the cabin body 10 on the noise analysis chip 35.
In this embodiment, specifically, one side of the analysis box 31 is fixedly connected with a sliding plate 32, one side of the second mounting plate 33 is fixedly connected with a sliding rail 34, the analysis box 31 and the second mounting plate 33 are slidably connected through the sliding plate 32 and the sliding rail 34, and the sliding plate 32 and the sliding rail 34 are arranged, so that the analysis box 31 can be quickly detached or mounted on the cabin 10.
In this embodiment, it is concrete, analysis case 31's inside wall is equipped with inhales the sound cotton 36, inhales the sound cotton 36 through the setting, inhales the cotton 36 absorbable external sound of sound, promotes analysis case 31's syllable-dividing effect.
In this embodiment, specifically, the sound absorbing pipe sleeve 38 is sleeved on the outer side wall of the inlet pipe 37, and the sound insulating effect of the analysis box 31 can be further improved by sleeving the sound absorbing pipe sleeve 38.
Referring to fig. 1-4, the first mounting plate 21, the shock absorbing column 22 and the support plate 23 form a shock absorbing support, the shock absorbing support supports the microphone 25 on the support sleeve 24, so that the microphone 25 is separated from the cabin 10, and is prevented from being transmitted to the microphone 25 when the cabin 10 vibrates, so that the microphone 25 is not affected by vibration when receiving noise, and the accuracy of receiving noise by the microphone 25 is improved, meanwhile, the analysis box 31 protects the noise analysis chip 35, the analysis box 31 is disposed outside the cabin 10, and can prevent the environment inside the cabin 10 from affecting the accuracy of analyzing the noise analysis chip 35 inside the analysis box 31, the signal transmission line 26 on the microphone 25 is connected with the signal interface of the noise analysis chip 35 through the wire inlet pipe 37, so as to realize signal transmission, when the microphone 25 receives noise, the noise is converted into an electrical signal, and is transmitted to the noise analysis chip 35 through the transmission line 26 for analysis.
In this embodiment, the model of the noise analysis chip 35 is NRK10.
Example two
The function of stereo detection is added on the basis of the first embodiment.
The noise receiving assemblies 20 are provided in four groups, and the four groups of noise receiving assemblies 20 are distributed on the four inner walls of the cabin 10.
Referring to fig. 1 to 4, by providing four sets of noise receiving assemblies 20, the noise receiving assemblies 20 distributed around the cabin 10 can receive noise information in a three-dimensional manner, so as to provide more information for the noise analysis chip 35 and improve the analysis accuracy of the noise analysis chip 35.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A noise detection device for an automobile engine compartment, comprising a cabin body (10), characterized in that: the inner wall of the cabin body (10) is provided with a noise receiving assembly (20), the noise receiving assembly (20) comprises a first mounting plate (21) which is mounted on the inner wall of the cabin body (10),
a shock absorption column (22) which is connected to one side of the first mounting plate (21) in a threaded mode,
a support plate (23) disposed at one end of the shock-absorbing column (22),
a support sleeve (24) mounted on the support plate (23),
a microphone (25) arranged at one end of the support sleeve (24), and
a transmission line (26) disposed at the other end of the support sleeve (24);
noise analysis subassembly (30) is installed to the lateral wall of cabin body (10), the electrical input end of noise analysis subassembly (30) passes through transmission line (26) with the electrical output end electricity of microphone (25) is connected.
2. The noise detection device for an automobile engine compartment according to claim 1, characterized in that: the noise receiving assemblies (20) are provided with four groups in total, and the four groups of noise receiving assemblies (20) are distributed on the four inner walls of the cabin body (10).
3. The noise detection device for an automobile engine compartment according to claim 1, characterized in that: the damping columns (22) are arranged in two, and the two damping columns (22) are symmetrically distributed between the first mounting plate (21) and the supporting plate (23).
4. The noise detection device for an automobile engine compartment according to claim 1, characterized in that: the shock-absorbing column (22) comprises
A rubber column (221) fixedly attached to one side of the support plate (23), an
And the threaded rod (222) is in threaded connection with one side of the first mounting plate (21).
5. The noise detection apparatus for an engine room of an automobile according to claim 4, wherein: and a damping gasket (223) is arranged at the joint of the threaded rod (222) and the first mounting plate (21).
6. The noise detection apparatus for an engine compartment of an automobile according to claim 1, characterized in that: a rubber ferrule (27) is arranged at the joint of the supporting sleeve (24) and the supporting plate (23).
7. The noise detection apparatus for an engine compartment of an automobile according to claim 1, characterized in that: the noise analysis assembly (30) comprises
An analysis box (31),
a second mounting plate (33) which is mounted on the outer wall of the cabin body (10) and is detachably connected with the analysis box (31),
a noise analysis chip (35) mounted inside the analysis case (31), and
and an inlet pipe (37) provided on one side of the noise analysis chip (35).
8. The noise detection device for an automobile engine compartment according to claim 7, characterized in that: one side fixedly connected with slide (32) of analysis case (31), one side fixedly connected with slide rail (34) of mounting panel two (33), analysis case (31) with mounting panel two (33) are through slide (32) with slide rail (34) sliding connection.
9. The noise detection device for an automobile engine compartment according to claim 7, characterized in that: the inner side wall of the analysis box (31) is provided with sound absorption cotton (36).
10. The noise detection apparatus for an engine compartment of an automobile according to claim 7, characterized in that: the outer side wall sleeve of the inlet pipe (37) is provided with a sound absorbing pipe sleeve (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222416222.4U CN218480424U (en) | 2022-09-13 | 2022-09-13 | Noise detection equipment for automobile engine compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222416222.4U CN218480424U (en) | 2022-09-13 | 2022-09-13 | Noise detection equipment for automobile engine compartment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480424U true CN218480424U (en) | 2023-02-14 |
Family
ID=85167849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222416222.4U Active CN218480424U (en) | 2022-09-13 | 2022-09-13 | Noise detection equipment for automobile engine compartment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480424U (en) |
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2022
- 2022-09-13 CN CN202222416222.4U patent/CN218480424U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230620 Address after: No. 9, Merchants Avenue, Haochao Town, Jiangling County, Jingzhou, Hubei 434100 Patentee after: Hubei Polymeric Polymer Material Co.,Ltd. Address before: North of China Merchants Avenue and East of Dongfang Road, Yanjiang Industrial Park, Jiangling County, Jingzhou City, Hubei Province 434100 Patentee before: Hubei Heju New Material Co.,Ltd. |
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| TR01 | Transfer of patent right |