CN214040332U - Multifunctional precision sound level meter - Google Patents
Multifunctional precision sound level meter Download PDFInfo
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- CN214040332U CN214040332U CN202023096059.5U CN202023096059U CN214040332U CN 214040332 U CN214040332 U CN 214040332U CN 202023096059 U CN202023096059 U CN 202023096059U CN 214040332 U CN214040332 U CN 214040332U
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- sound level
- level meter
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Abstract
The utility model discloses a multi-functional accurate sound level meter relates to sound level meter technical field, which comprises a housin, the top fixed mounting of casing has the microphone, fixed mounting has the display screen on the casing, install switch on the casing, install adjustment button on the casing, first spout has been seted up on the casing, the straight flute has been seted up in the casing, install the temperature-sensing ware in the straight flute, the side-mounting of casing has the push pedal, the second spout has been seted up to the side of casing. The utility model discloses set up cap and glass piece, need not using the sound level timing, avoided the object to press the adjustment button on the rotation sound level meter by accident, can avoid the dust to fall on the operation area of sound level meter simultaneously, extension fixture's life, glass piece makes the cap also can see the detection data that show on the display screen when covering moreover, has improved the practicality of device.
Description
Technical Field
The utility model relates to a sound level meter technical field especially relates to a multi-functional accurate sound level meter.
Background
The sound level meter is the most basic noise measuring instrument, which is an electronic instrument, but is different from objective electronic instruments such as a voltmeter and the like. When the acoustic signal is converted into the electric signal, the time characteristic of the response speed of the human ear to the acoustic wave can be simulated; a frequency characteristic having different sensitivities to high and low frequencies and an intensity characteristic changing the frequency characteristic at different loudness. Since the sound level meter is affected by the ambient temperature, the ambient temperature is liable to cause an error in the measurement result at the time of measurement.
The existing multifunctional precise sound level meter has no temperature measurement function, so that the ambient temperature during measurement at that time cannot be accurately known during use, the measurement result has errors, and the operating interface of the existing sound level meter is exposed in the air, so that dust is easily accumulated when the sound level meter is not used, and the service life of the device is influenced.
Therefore, a multifunctional precision sound level meter is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at improving the accuracy of sound level meter measurement result, avoid triggering the button on the sound level meter unintentionally simultaneously, and the multi-functional accurate sound level meter that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a multi-functional accurate sound level meter, includes the casing, the top fixed mounting of casing has the microphone, fixed mounting has the display screen on the casing, install switch on the casing, install adjustment button on the casing, first spout has been seted up on the casing, the straight flute has been seted up in the casing, install the temperature-sensing ware in the straight flute, the side-mounting of casing has the push pedal, the second spout has been seted up to the side of casing.
Optionally, a sliding block is slidably connected in the first sliding groove, a case cover is fixedly connected to the sliding block, and a glass sheet is embedded in the case cover.
Optionally, a connecting rod is slidably connected in the straight groove, a temperature sensor is fixedly mounted at one end of the connecting rod, and a pushing block is fixedly connected at one end of the connecting rod, which is far away from the temperature sensor.
Optionally, a first spring is installed in the straight groove, one end of the first spring is fixedly connected to the pushing block, and one end of the first spring, which is far away from the connecting rod, is fixedly connected to the inner wall of the straight groove.
Optionally, a round hole is formed in the push block, a bolt is inserted into the round hole, a threaded hole is formed in the straight groove, and the bolt is in threaded connection with the threaded hole in the straight groove.
Optionally, one end of the push plate is connected with the second sliding groove in a sliding manner, a second spring is installed in the second sliding groove, one end of the second spring is fixedly connected to the push plate, and one end, far away from the push plate, of the second spring is fixedly connected to the side wall of the second sliding groove.
Compared with the prior art, the utility model discloses possess following advantage:
1. the utility model discloses set up cap and glass piece, need not using the sound level timing, avoided the object to press the adjustment button on the rotation sound level meter by accident, can avoid the dust to fall on the operation area of sound level meter simultaneously, extension fixture's life, glass piece makes the cap also can see the detection data that show on the display screen when covering moreover, has improved the practicality of device.
2. The utility model discloses set up first spring, ejector pad, connecting rod and temperature-sensing ware, can simultaneous measurement ambient temperature at that time using the sound level timing to judge sound level meter measuring result's accuracy nature, make final measuring result more accurate at data statistics like this.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the external structure of fig. 1 according to the present invention.
In the figure: the device comprises a shell 1, a microphone 2, a display screen 3, a power switch 4, an adjusting button 5, a shell cover 6, a glass sheet 7, a first sliding groove 8, a sliding block 9, a straight groove 10, a connecting rod 11, a pushing block 12, a bolt 13, a first spring 14, a temperature sensor 15, a pushing plate 16, a second sliding groove 17 and a second spring 18.
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.
Referring to fig. 1-2, a multifunctional precision sound level meter comprises a shell 1, a microphone 2 is fixedly mounted at the top of the shell 1, a display screen 3 is fixedly mounted on the shell 1, a power switch 4 is mounted on the shell 1, an adjusting button 5 is mounted on the shell 1, a first sliding groove 8 is formed in the shell 1, a straight groove 10 is formed in the shell 1, a temperature sensor 15 is mounted in the straight groove 10, a push plate 16 is mounted on the side surface of the shell 1, and a second sliding groove 17 is formed in the side surface of the shell 1. The microphone 2 is a model BSW1MP201 microphone.
The first sliding chute 8 is internally and slidably connected with a sliding block 9, the sliding block 9 is fixedly connected with a shell cover 6, and the shell cover 6 is embedded with a glass sheet 7. Need not using the sound level timing, avoid the object to press the adjustment button 5 on the rotation sound level meter by accident, can avoid the dust to fall on the operating area of sound level meter simultaneously, the life of extension device, glass piece 7 makes the cap 6 also can see the detection data that show on the display screen 3 when covering moreover, has improved the practicality of device.
A connecting rod 11 is connected in the straight groove 10 in a sliding mode, a temperature sensor 15 is fixedly mounted at one end of the connecting rod 11, the temperature sensor 15 is a temperature sensor with the model of PT100, and a pushing block 12 is fixedly connected at one end, far away from the temperature sensor 15, of the connecting rod 11. The temperature sensor 15 is used for simultaneously measuring the ambient temperature when the sound level meter works, so that the accuracy of the measurement result is ensured.
A first spring 14 is installed in the straight groove 10, one end of the first spring 14 is fixedly connected to the pushing block 12, and one end of the first spring 14, which is far away from the connecting rod 11, is fixedly connected to the inner wall of the straight groove 10. The first spring 14 is used for retracting the temperature sensor 15 into the straight groove 10 after the detection is finished so as to protect the temperature sensor 15.
A round hole is formed in the pushing block 12, a bolt 13 is inserted in the round hole, a threaded hole is formed in the straight groove 10, and the bolt 13 is in threaded connection with the threaded hole in the straight groove 10. The bolt 13 is used for fixing the pushing block 12 and preventing the temperature sensor 15 from being retracted into the straight groove 10 by the first spring 14 under the condition of use.
One end of the push plate 16 is slidably connected with the second sliding groove 17, a second spring 18 is installed in the second sliding groove 17, one end of the second spring 18 is fixedly connected to the push plate 16, and one end, far away from the push plate 16, of the second spring 18 is fixedly connected to the side wall of the second sliding groove 17. The function of the push plate 16 is to prevent dust from entering the straight groove 10 and affecting the service life of the temperature sensor 15.
The working principle is as follows:
firstly, a worker slides the shell cover 6 leftwards to open the shell cover 6, then pushes the push plate 16 upwards to expose the through hole of the straight groove 10, then pushes the push block 12 rightwards, the push block 12 drives the temperature sensor 15 to extend out of the straight groove 10 through the connecting rod 11, at the moment, the first spring 14 is in a stretching state, after the temperature sensor 15 is completely exposed out of the straight groove 10, the bolt 13 is rotated to enable the bolt 13 to be in threaded connection with the threaded hole in the straight groove 10, then the worker opens the power switch 4, rotates the adjusting button 5 to detect the position needing to be detected, after the detection is finished, the sound value and the temperature value are displayed on the display screen 3, at the moment, the sound value and the temperature value are recorded together, then the bolt 13 is opened, the push block 12 and the connecting rod 11 retract into the straight groove 10 under the action of the first spring 14, then the power switch 4 is closed, and the push plate 16 is pushed downwards to block the straight groove 10, and finally, sliding the shell cover 6 to the right to cover the operation area on the shell 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a multi-functional accurate sound level meter, includes casing (1), its characterized in that, the top fixed mounting of casing (1) has microphone (2), fixed mounting has display screen (3) on casing (1), install switch (4) on casing (1), install adjustment button (5) on casing (1), first spout (8) have been seted up on casing (1), straight flute (10) have been seted up in casing (1), install temperature-sensing ware (15) in straight flute (10), the side-mounting of casing (1) has push pedal (16), second spout (17) have been seted up to the side of casing (1).
2. A multi-functional precision sound level meter according to claim 1, characterized in that a slide block (9) is slidably connected in the first chute (8), a cover (6) is fixedly connected to the slide block (9), and a glass sheet (7) is embedded in the cover (6).
3. The multifunctional precise sound level meter according to claim 1, characterized in that a connecting rod (11) is slidably connected in the straight groove (10), a temperature sensor (15) is fixedly installed at one end of the connecting rod (11), and a pushing block (12) is fixedly connected at one end of the connecting rod (11) far away from the temperature sensor (15).
4. A multifunctional precision sound level meter according to claim 1, characterized in that a first spring (14) is installed in the straight groove (10), one end of the first spring (14) is fixedly connected to the push block (12), and the end of the first spring (14) far away from the connecting rod (11) is fixedly connected to the inner wall of the straight groove (10).
5. The multifunctional precise sound level meter according to claim 3, wherein the push block (12) is provided with a round hole, a bolt (13) is inserted into the round hole, the straight groove (10) is provided with a threaded hole, and the bolt (13) is in threaded connection with the threaded hole in the straight groove (10).
6. A multifunctional precision sound level meter according to claim 1, characterized in that one end of the push plate (16) is slidably connected with the second sliding groove (17), a second spring (18) is installed in the second sliding groove (17), one end of the second spring (18) is fixedly connected to the push plate (16), and one end of the second spring (18) far away from the push plate (16) is fixedly connected to the side wall of the second sliding groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023096059.5U CN214040332U (en) | 2020-12-21 | 2020-12-21 | Multifunctional precision sound level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023096059.5U CN214040332U (en) | 2020-12-21 | 2020-12-21 | Multifunctional precision sound level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214040332U true CN214040332U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023096059.5U Active CN214040332U (en) | 2020-12-21 | 2020-12-21 | Multifunctional precision sound level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214040332U (en) |
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2020
- 2020-12-21 CN CN202023096059.5U patent/CN214040332U/en active Active
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