CN212780659U - Material sound insulation performance testing device - Google Patents
Material sound insulation performance testing device Download PDFInfo
- Publication number
- CN212780659U CN212780659U CN202021826606.8U CN202021826606U CN212780659U CN 212780659 U CN212780659 U CN 212780659U CN 202021826606 U CN202021826606 U CN 202021826606U CN 212780659 U CN212780659 U CN 212780659U
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- CN
- China
- Prior art keywords
- box body
- sound
- sound insulation
- pcb
- pull rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a material sound insulation performance testing device, which comprises a box body, wherein a PCB is arranged in the box body, a singlechip and an AD converter are arranged on the PCB, the PCB is respectively connected with a battery jar and a sound sensor through wires, the battery jar and the sound sensor are both arranged at the bottom in the box body, and a battery is arranged in the battery jar; the fixing piece is installed on the upper portion of the sound sensor, a gap is formed between the fixing piece and the box body, the PCB is in line connection with the electronic display screen, the electronic display screen is located on the outer side of the box body, the other outer side of the box body is hinged with the telescopic pull rod, the end portion of the telescopic pull rod is provided with the loudspeaker, and a lead of the loudspeaker is connected with the PCB through the box body. The utility model provides a material sound insulation capability test device has solved the test sound insulation material's that exists among the prior art problem that sound insulation capability is with high costs.
Description
Technical Field
The utility model belongs to the technical field of the test material performance, concretely relates to material sound insulation capability test device.
Background
At present, sound-insulating materials are widely used in television stations, movie theaters, opera concert halls, conference centers, gymnasiums, restaurants, bars, and the like. The existing sound insulation material is a five-flower eight-door, which is common to solid bricks, reinforced concrete walls, wood boards, gypsum boards, iron plates, sound insulation felts, fiber boards and the like, and the sound insulation effects of different materials are different. Currently, the test for the sound insulating property of the sound insulating material is mainly performed in a sound insulating property test room, that is, in one room. The test mode has strict requirements on the material, the size and the decoration of the wall, and the adopted equipment mainly depends on import and has higher cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a material sound insulation capability test device has solved the test sound insulation material's that exists among the prior art problem that sound insulation capability is with high costs.
The technical scheme adopted by the utility model is a material sound insulation performance testing device, which comprises a box body, wherein a PCB is arranged in the box body, a singlechip and an AD converter are arranged on the PCB, the PCB is respectively connected with a battery jar and a sound sensor by wires, the battery jar and the sound sensor are both arranged at the bottom in the box body, and a battery is arranged in the battery jar;
the fixing piece is installed on the upper portion of the sound sensor, a gap is formed between the fixing piece and the box body, the PCB is in line connection with the electronic display screen, the electronic display screen is located on the outer side of the box body, the other outer side of the box body is hinged with the telescopic pull rod, the end portion of the telescopic pull rod is provided with the loudspeaker, and a lead of the loudspeaker is connected with the PCB through the box body.
The utility model discloses a characteristics still lie in:
the telescopic pull rod is a double-L-shaped folding pull rod, and the loudspeaker is positioned at the rod end of the telescopic pull rod.
The sound sensor is a microphone.
The cross section of the box body is rectangular.
The mounting is hollow rectangle frame, and the mounting is coaxial with the center of box, and mounting bottom center is provided with the sound and gathers the hole, and sound sensor passes through the sound and gathers the hole and locate the mounting bottom.
The top of the box body is provided with a cover.
The height of mounting is not more than the height of box, and the mounting top is provided with the opening.
The utility model has the advantages that:
the utility model relates to a material sound-insulating property testing device, which has simple structure, low cost, convenient carrying and use, and can effectively test the sound-insulating property of sound-insulating materials; the utility model relates to a material sound insulation capability test device is applicable to various sound insulation material's sound insulation capability test, facilitate promotion.
Drawings
Fig. 1 is a schematic structural diagram of the device for testing sound insulation performance of material of the present invention.
In the figure, 1, a loudspeaker, 2, a telescopic pull rod, 3, an electronic display screen, 4, a box body, 5, a fixing piece and 6, a sound collecting hole are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a material sound insulation performance testing device, the structure is as shown in figure 1, including box 4, be provided with the PCB board in the box 4, be provided with singlechip and AD converter on the PCB board, the PCB board is the line connection respectively has battery jar and sound sensor, battery jar and sound sensor all install the bottom in box 4, install the battery in the battery jar;
The model of the AD converter is ADC0809, and the model of the singlechip is STC89C 52.
Preferably, the telescopic rod 2 is a double L-shaped folding rod, and the speaker 1 is located at the rod end of the telescopic rod 2.
Preferably, the sound sensor is a microphone.
Preferably, the box 4 is rectangular in cross-section.
Preferably, the fixing member 5 is a hollow rectangular frame, the fixing member 5 is coaxial with the center of the box 4, a sound collecting hole 6 is formed in the center of the bottom of the fixing member 5, and the sound sensor is located at the bottom of the fixing member 5 through the sound collecting hole 6.
Preferably, the top of the case 4 is provided with a cover.
Preferably, the height of the fixing member 5 is not greater than that of the box body 4, and an opening is provided at the top of the fixing member 5.
The utility model relates to a material sound insulation capability test device, its theory of operation as follows:
the specification of the box body 4 is 300mm multiplied by 100mm, and the height of the fixing piece 5 is 50 mm; firstly, placing a sound insulation material between a box body 4 and a fixing piece 5 along the circumferential direction of the box body 4, covering a cover, opening a loudspeaker 1 to make sound, wherein the loudspeaker 1 is positioned above the side surface of the box body 4 provided with a telescopic pull rod 2, converting a voltage signal measured by a sound sensor into a digital signal through an AD (analog-to-digital) converter after the sound sensor collects the sound, processing the digital signal through a single chip microcomputer, converting the digital signal into a sound intensity value, and displaying the sound intensity value on an electronic display screen 3;
the battery respectively supplies power to the sound sensor, the loudspeaker 1 and the electronic display screen 3, so that the service life of the material sound insulation performance testing device is prolonged; the telescopic pull rod 2 not only can flexibly move the position of the loudspeaker 1, but also is convenient to carry; the loudspeaker 1 can adjust different sound intensities, and provides more references for testing the sound insulation performance of the sound insulation material; the box 4 and the material of mounting 5 are novel partition plate to guarantee sufficient syllable-dividing volume, carry out the test condition that gives sound insulation under this material and can be equated with the test condition in the actual building.
Claims (7)
1. The device for testing the sound insulation performance of the material is characterized by comprising a box body (4), wherein a PCB is arranged in the box body (4), a single chip microcomputer and an AD converter are arranged on the PCB, the PCB is respectively connected with a battery jar and a sound sensor in a wired mode, the battery jar and the sound sensor are both installed at the bottom in the box body (4), and a battery is installed in the battery jar;
mounting (5) are installed on sound sensor upper portion, be provided with the clearance between mounting (5) and box (4), PCB board line connection has electronic display screen (3), electronic display screen (3) are located the box (4) outside, another outside of box (4) articulates there is scalable pull rod (2), scalable pull rod (2) tip is provided with speaker (1), the lead wire of speaker (1) passes through box (4) and is connected with the PCB board.
2. A material sound insulation performance testing device as claimed in claim 1, wherein the telescopic pull rod (2) is a double L-shaped folding pull rod, and the loudspeaker (1) is positioned at the rod end of the telescopic pull rod (2).
3. A material sound-insulating property testing device as claimed in claim 1, wherein said sound sensor is a microphone.
4. A material sound-insulating property testing device as claimed in claim 1, characterized in that the cross section of the box body (4) is rectangular.
5. A material sound insulation performance test device as claimed in claim 4, wherein the fixing member (5) is a hollow rectangular frame, the fixing member (5) is coaxial with the center of the box body (4), the center of the bottom of the fixing member (5) is provided with a sound collection hole (6), and the sound sensor is located at the bottom of the fixing member (5) through the sound collection hole (6).
6. A material sound insulation performance test device as claimed in claim 5, characterized in that a cover is arranged on the top of the box body (4).
7. A material sound insulation performance test device as claimed in claim 6, characterized in that the height of the fixing member (5) is not larger than the height of the box body (4), and an opening is arranged at the top of the fixing member (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826606.8U CN212780659U (en) | 2020-08-27 | 2020-08-27 | Material sound insulation performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826606.8U CN212780659U (en) | 2020-08-27 | 2020-08-27 | Material sound insulation performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212780659U true CN212780659U (en) | 2021-03-23 |
Family
ID=75055105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021826606.8U Expired - Fee Related CN212780659U (en) | 2020-08-27 | 2020-08-27 | Material sound insulation performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212780659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202883A (en) * | 2023-05-05 | 2023-06-02 | 常州中晶自保温墙体材料有限公司 | Concrete haydite building block compressive sound insulation performance testing arrangement |
-
2020
- 2020-08-27 CN CN202021826606.8U patent/CN212780659U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202883A (en) * | 2023-05-05 | 2023-06-02 | 常州中晶自保温墙体材料有限公司 | Concrete haydite building block compressive sound insulation performance testing arrangement |
| CN116202883B (en) * | 2023-05-05 | 2023-06-30 | 常州中晶自保温墙体材料有限公司 | Concrete haydite building block compressive sound insulation performance testing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20210827 |