Automobile door sound insulation detection device and system
By designing sound-collection and dust-proof components in the sound insulation detection device, including microphone, sound-collection speaker-shaped groove, propagation channel, dust cover and yarn net, the detection inaccurate problem caused by dust blocking is solved, and more accurate sound pressure is achieved Collect and test results.
Patent Information
- Application Number
- CN202420680122.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-03
AI Technical Summary
Existing sound insulation detection devices are susceptible to dust when collecting sound, resulting in inaccurate detection results.
A sound insulation detection device for automobile doors is designed, including a sound collection and dustproof assembly, which consists of a microphone housing, a sound collection and speaker-shaped groove, a propagation channel, a propagation narrow channel, a dustproof sleeve, a yarn net and a dustproof fine hair. The combination of these components can effectively prevent the accumulation and blockage of dust and improve the accuracy of sound collection.
Through the cooperation of the microphone and speaker-shaped groove, the propagation channel and propagation narrow channel design increases the sound pressure, dustproof sleeve and yarn mesh settings to prevent dust accumulation and fine dust clogging, significantly improving the accuracy of the detection results sex.
Smart Images
Figure CN222280145U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sound insulation detection devices, in particular to a vehicle door sound insulation detection device and a system. Background Art
[0002] The sound insulation test of the equipment usually needs to be carried out in a sound insulation experiment that has been built. According to the experience of the Environmental Measurement and Control Optimization Research Center of the China Academy of Building Research in building a sound insulation test bench and the requirements of relevant sound insulation standards and specifications, the size and area of the test piece opening are set, and the test pieces such as doors, windows, and glass are measured. According to the above standards, the installation opening that meets the size of the test piece can be constructed in the test piece opening. In order to control the background noise in the test room, suppress lateral sound transmission, and accurately measure the airborne sound insulation performance of building materials and components, the sound insulation laboratory adopts a "room in room" structure; the sound source room and the receiving room are completely separated in structure; vibration isolation materials are set between the sound source room, the receiving room and the original foundation; the new exterior walls of the laboratory, the walls, floors and ceilings of the sound source room and the receiving room are made of high sound insulation materials; the doors of the test rooms are double-channel sound insulation doors, which are made into "sound gates" to further improve the sound insulation ability of the doors.
[0003] In the prior art, the sound insulation detection device has a poor ability to collect sound. If the entrance for collecting sound is blocked by dust, the detection result will be inaccurate.
[0004] To this end, the utility model proposes a vehicle door sound insulation detection device and system for solving the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a vehicle door sound insulation detection device and system to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a car door sound insulation detection device includes a body, a display screen, a microphone and a sound collecting and dustproof component, wherein a display screen is fixedly provided at one end of the body, and a microphone is fixedly provided at one end of the body.
[0007] Preferably, the sound collecting and dust-proof component includes a microphone shell, a sound collecting horn-shaped groove, a propagation channel, a propagation narrow channel, a snap-fitting protrusion, a dust cover, a cover body, a horn groove, a snap-fitting groove, a gauze, a gauze strip and dust-proof fine hairs. A sound collecting horn-shaped groove is fixedly provided at one end of the microphone shell, a propagation channel is fixedly provided at the bottom of the sound collecting horn-shaped groove, a propagation narrow channel is fixedly provided at the bottom of the propagation channel, a snap-fitting protrusion is fixedly provided at one end of the microphone shell, the dust cover is movably sleeved on the outside of the microphone, a horn groove is fixedly provided at one end of the cover body, a snap-fitting groove is fixedly provided at one end of the cover body, a gauze is movably provided inside the dust cover, and dust-proof fine hairs are fixedly provided at one end of the gauze strip.
[0008] Preferably, the engaging protrusions and the engaging grooves are arranged at corresponding positions, have the same size and shape, and are adapted for active engagement.
[0009] Preferably, the microphone and the gauze are arranged at corresponding positions, have the same shape and size, and the gauze is movably sleeved on the outside of the microphone.
[0010] Preferably, the dust-proof sleeve and the gauze are arranged at corresponding positions, have the same shape and size, and the dust-proof sleeve is movably sleeved on the outer side of the gauze.
[0011] Preferably, one end of the yarn strip is fixedly provided with dust-proof fine hairs at equal intervals, and the dust-proof fine hairs provided on the opposite yarn strips are staggered.
[0012] A vehicle door sound insulation detection system, characterized by comprising any one of the above-mentioned devices.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The decibel detection is carried out by collecting sounds through a microphone. At the same time, the sound-collecting horn-shaped groove can collect sounds better. The propagation channel and the propagation narrow channel narrow the sound propagation channel, increase the sound pressure and make the detection result more accurate. The dust cover is replaceable and needs to be replaced with a new one when used to prevent dust accumulation. At the same time, the horn groove is provided to enhance the function of collecting sound. Dust-proof fine hairs are arranged at equal intervals on the gauze strips to prevent clogging by finer dust and affect the detection results. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the detailed local structure of the microphone of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the dust cover of the utility model;
[0018] Figure 4 This is a detailed partial explosion view of the dust cover of the utility model;
[0019] Figure 5 This is an exploded view of the mesh structure connection of the utility model;
[0020] Figure 6 This is a schematic diagram of the yarn structure connection of the utility model.
[0021] In the figure: body 1, display screen 2, microphone 3, microphone shell 301, sound collecting horn-shaped groove 302, propagation channel 303, propagation narrow channel 304, snap-fitting protrusions 305, dust cover 4, cover body 401, horn groove 402, snap-fitting groove 403, gauze 5, gauze strip 501, dust-proof fine hair 502. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model are described clearly and completely below. The embodiments of the utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figures 1 to 6A vehicle door sound insulation detection device and system, the utility model provides a technical solution: a vehicle door sound insulation detection device comprises a body 1, a display screen 2, a microphone 3 and a sound collecting and dustproof component, one end of the body 1 is fixedly provided with a display screen 2, and one end of the body 1 is fixedly provided with a microphone 3; one end of the microphone shell 301 in the sound collecting and dustproof component is fixedly provided with a sound collecting horn-shaped groove 302, and the sound collecting horn-shaped groove 302 provided in the microphone shell 301 of the microphone 3 can better collect sound; a propagation channel 302 is fixedly provided at the bottom of the sound collecting horn-shaped groove 302 The bottom of the propagation channel 303 is fixedly provided with a propagation narrow channel 304, and the propagation channel 303 and the propagation narrow channel 304 narrow the sound propagation channel, increase the sound pressure and make the detection result more accurate; one end of the microphone shell 301 is fixedly provided with a snap-fitting protrusion 305, and the dust cover 4 is movably sleeved on the outside of the microphone 3, and the dust cover 4 is replaceable to prevent dust accumulation; one end of the sleeve 401 is fixedly provided with a speaker groove 402, and the speaker groove 402 is provided to enhance the sound collection effect; one end of the sleeve 401 is fixedly provided with a snap-fitting groove 403, and the snap-fitting protrusion 305 .... 05 and the card-joining groove 403, the two are set in corresponding positions, the size and shape are the same, and they are adapted to be movably connected; the dust cover 4 is movably provided with a gauze 5 inside, the microphone 3 and the gauze 5 are set in corresponding positions, the shape and size are the same, and the gauze 5 is movably sleeved on the outside of the microphone 3; the dust cover 4 and the gauze 5 are set in corresponding positions, the shape and size are the same, and the dust cover 4 is movably sleeved on the outside of the gauze 5; one end of the yarn strip 501 is fixedly provided with dust-proof fine hair 502; one end of the yarn strip 501 is equidistantly fixedly provided with dust-proof fine hair 502, and relative The dust-proof fine hairs 502 arranged on the gauze strips 501 are staggered; the gauze 5 is sleeved on the outside of the microphone 3, the dust-proof cover 4 is sleeved on the outside of the gauze 5, and are fixed to each other by means of the snap-fitting protrusions 305 and the snap-fitting grooves 403, so as to fix the gauze 5 between the microphone 3 and the dust-proof cover 4; the dust-proof fine hairs 502 are equidistantly arranged on the gauze strips 501 of the gauze 5 to prevent clogging by finer dust and affecting the detection results; this solves the problem in the prior art that the sound insulation detection device has a poor ability to collect sound, and if the entrance for collecting sound is blocked by dust, the detection result will be inaccurate.
[0024] Working principle: in actual use, the gauze 5 is sleeved on the outside of the microphone 3, the dust cover 4 is sleeved on the outside of the gauze 5, and the engagement protrusions 305 and the engagement grooves 403 are mutually engaged and fixed to fix the gauze 5 between the microphone 3 and the dust cover 4; the sound collecting horn-shaped groove 302 opened in the microphone shell 301 of the microphone 3 can better collect sound, and the propagation channel 303 and the propagation narrow channel 304 narrow the sound propagation channel, increase the sound pressure and make the detection result more accurate; the dust cover 4 is replaceable to prevent dust accumulation, and is provided with a horn groove 402 to enhance the sound collection effect; dust-proof fine hairs 502 are equidistantly arranged on the gauze strips 501 of the gauze 5 to prevent clogging by finer dust and affect the detection result; this solves the problem in the prior art that the sound insulation detection device has a poor ability to collect sound, and if the entrance for collecting sound is blocked by dust, the detection result will be inaccurate.
[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A vehicle door sound insulation detection device, characterized in that: The device comprises a body (1), a display screen (2), a microphone (3) and a sound-collecting and dust-proof component, wherein the display screen (2) is fixedly arranged at one end of the body (1), the microphone (3) is fixedly arranged at one end of the body (1), the sound-collecting and dust-proof component comprises a microphone housing (301), a sound-collecting horn-shaped groove (302), a propagation channel (303), a propagation narrow channel (304), a snap-fitting protrusion (305), a dust-proof cover (4), a cover body (401), a horn groove (402), a snap-fitting groove (403), a gauze (5), a gauze strip (501) and dust-proof fine hairs (502), and the sound-collecting horn-shaped groove is fixedly arranged at one end of the microphone housing (301). (302), a propagation channel (303) is fixedly provided at the bottom of the sound collecting horn-shaped groove (302), a propagation narrow channel (304) is fixedly provided at the bottom of the propagation channel (303), a snap-fitting protrusion (305) is fixedly provided at one end of the microphone housing (301), the dust cover (4) is movably sleeved on the outer side of the microphone (3), a horn groove (402) is fixedly provided at one end of the sleeve (401), a snap-fitting groove (403) is fixedly provided at one end of the sleeve (401), a gauze net (5) is movably provided inside the dust cover (4), and dustproof fine hairs (502) are fixedly provided at one end of the gauze strip (501).
2. The vehicle door sound insulation detection device according to claim 1, characterized in that: The engaging protrusion (305) and the engaging groove (403) are arranged at corresponding positions, have the same size and shape, and are adapted for active engagement.
3. The vehicle door sound insulation detection device according to claim 1, characterized in that: The microphone (3) and the gauze (5) are arranged at corresponding positions and have the same shape and size, and the gauze (5) is movably sleeved on the outside of the microphone (3).
4. The vehicle door sound insulation detection device according to claim 1, characterized in that: The dust cover (4) and the gauze (5) are arranged at corresponding positions and have the same shape and size. The dust cover (4) is movably sleeved on the outside of the gauze (5).
5. The vehicle door sound insulation detection device according to claim 1, characterized in that: One end of the yarn strip (501) is fixedly provided with dust-proof fine hairs (502) at equal intervals, and the dust-proof fine hairs (502) provided on the opposite yarn strips (501) are staggered.
6. A car door sound insulation detection system, characterized by: A device comprising any one of claims 1 to 5.