Portable noise tester

Abstract

The utility model discloses a portable noise tester, which comprises a testing main body, an amplifier arranged on the testing main body and a microphone arranged at the end part of the amplifier, a sponge sleeve is sleeved outside the microphone, and a plurality of buffer blocks are arranged on the inner side of the sponge sleeve and are used for protecting the outside of the microphone; a containing groove is formed in one side of the testing main body, a sleeve capable of moving linearly is arranged in the containing groove, a containing pipe capable of moving linearly is arranged in the sleeve, the containing pipe is connected with the amplifier and used for containing and protecting the amplifier and the microphone in the testing main body, and the multiple buffer blocks are all located between the microphone and the sponge sleeve. A rubber sleeve is arranged at the open end of the sponge sleeve, the buffer block comprises a buffer rod fixedly arranged on the inner side of the sponge sleeve, and a buffer ball is arranged at the end of the buffer rod. According to the device, the amplifier and the microphone can be stored, so that the structural damage is prevented, and the detection accuracy of the tester is improved.

Description

Technical Field

[0001] The utility model relates to a noise testing structure, in particular to a portable noise tester. Background Art

[0002] Noise measurement instruments, also known as noise meters, are used to detect and measure noise levels in public places such as workplaces and public squares. Noise pollution is one of the most significant environmental pollutants. High decibel levels can even cause severe damage to the eardrum, leading to hearing loss. Noise meters can provide decibel readings to facilitate noise control and reduction measures. Sound levels are measured in decibels. Professional noise meters feature highly sensitive sensors, high accuracy, and a wide range of applications, making them suitable for noise measurement in a wide range of environments. They typically include a microphone, amplifier, filter, and data analysis system. Noise measurement instruments are used in a variety of fields, including industry, healthcare, and education.

[0003] In order to facilitate users in different scenarios, current noise testers will set the detection structure and test display structure into a whole, divided into a detection end and a test body. The amplifier and microphone of the detection end are mostly set outside the test body. The user can hold the test body to detect the noise in the environment and complete the noise test. However, the noise tester sets the test end outside the test body, which is prone to collision with external objects, causing damage to the amplifier and microphone, affecting the detection accuracy of the tester. Based on the above reasons, it is necessary to design a portable noise tester that can store the amplifier and microphone to prevent their structural damage and increase the detection accuracy of the tester. Utility Model Content

[0004] In view of the above problems existing in the prior art, the purpose of the present invention is to provide a portable noise tester, which can store the amplifier and microphone to prevent their structural damage and increase the detection accuracy of the tester.

[0005] To achieve the above purpose, the technical solution of this utility model is as follows:

[0006] A portable noise tester includes a test body, an amplifier arranged on the test body, and a microphone arranged at the end of the amplifier. The outer cover of the microphone is provided with a sponge cover, and a plurality of buffer blocks are provided on the inner side of the sponge cover for protecting the outside of the microphone; a receiving groove is provided on one side of the test body, a sleeve that can move linearly is provided in the receiving groove, a receiving tube that can move linearly is provided in the sleeve, and the receiving tube is connected to the amplifier for storing and protecting the amplifier and the microphone in the test body.

[0007] Preferably, the plurality of buffer blocks are located between the microphone and the sponge cover, and a rubber cover is provided at the open end of the sponge cover.

[0008] Preferably, the buffer block is made of silicone material, and comprises a buffer rod fixed on the inner side of the sponge sleeve, and a buffer ball is provided at the end of the buffer rod.

[0009] Preferably, the outer sides of the sleeve and the containing tube are provided with positioning grooves, a plurality of positioning protrusions are provided in the positioning grooves, and the ends of the sleeve and the containing tube are provided with positioning ends for movably positioning the sleeve and the containing tube in the containing grooves to prevent the sleeve and the containing tube from being separated from the test body.

[0010] Preferably, an edge ring is provided on one end of the sleeve away from the accommodating groove, and a same dust cover is provided between the edge ring and the accommodating groove, and the dust cover is made of rubber material.

[0011] Preferably, a plurality of protective strips are provided on the peripheral side of the test body, and the protective strips are U-shaped. The side of the protective strip close to the test body is a fitting part, and the side of the protective strip away from the test body is a contact part. A buffer part is provided on the inner side of the fitting part.

[0012] Preferably, the protective strip is made of rubber material, the height of the protective strip is the same as the thickness of the test body, and a plurality of the protective strips are arranged in parallel on the test body.

[0013] Compared to existing technologies, the portable noise tester provided by this utility model can store the amplifier and microphone, which are often used externally on the tester, within the test body, providing protective treatment for them and making them more convenient for users. Specifically, the opening of a receiving slot in the test body and the connection of the receiving tube in the receiving slot to the amplifier allow the amplifier and microphone to be directly retracted into the test body. Through linear movement between the receiving slot, the sleeve, and the receiving tube, the amplifier and microphone can be flexibly extended or retracted, allowing for different protective treatments, increasing the diversity of the tester's protective treatment.

[0014] By connecting the two tubes with the amplifier and microphone, the distance between the microphone and the test subject can be flexibly adjusted to achieve tests at different distances, expand the application range of the tester, and is very beneficial for more accurate noise detection of the noise tester.

[0015] In addition, by using several buffer blocks in the sponge cover, the sides of the microphone can be protected in all directions, the external force of external objects on the microphone can be weakened, and the protection treatment of the microphone when it is extended can be achieved; the setting of several protective strips on the outside of the test body can protect the sides of the test body, improve the external use state of the tester, and facilitate users to hold it more firmly, which is very beneficial for preventing the noise tester from being damaged by impact or falling, and improves the detection accuracy of the noise tester.

[0016] It should be understood that the general description and detailed description herein are exemplary and explanatory only and are not intended to restrict the present disclosure.

[0017] This application document provides various implementations or exemplary overviews of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the portable noise tester of the present utility model;

[0019] Figure 2 This is a partial structural cross-sectional view of the main body and sleeve of the portable noise tester of the present utility model;

[0020] Figure 3 This is a partial structural cross-sectional view of the sleeve and the receiving tube in the portable noise tester of the present utility model;

[0021] Figure 4 This is an exploded diagram of the structure of the amplifier, microphone and sponge cover in the portable noise tester of the utility model;

[0022] Figure 5 This is a partial structural sectional view of the sponge cover in the portable noise tester of the present utility model.

[0023] Main reference numerals:

[0024] 1. Test body; 11. Amplifier; 12. Microphone; 2. Sponge cover; 21. Rubber cover; 22. Buffer block; 221. Buffer rod; 222. Buffer ball; 3. Receiving groove; 31. Sleeve; 32. Receiving tube; 33. Positioning groove; 34. Edge ring; 35. Dust cover; 4. Protective strip; 41. Fitting part; 42. Contact part; 43. Buffer part. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure more clear, the embodiments of the present disclosure are described in more detail below in conjunction with the drawings of the embodiments. Note: The described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0026] As attached Figure 1 To the attached Figure 5 As shown, the portable noise tester provided by the embodiment of the present invention is used for the precise detection of noise data. The detection end of the tester can be stored and protected to prevent damage to the amplifier 11 and the microphone 12, thereby improving the service life of the tester and the test accuracy. Applying the noise detection technology of the existing noise tester, a display screen and multiple control buttons will be set on the test body 1 to display the detection data and control the working status of the tester. When the tester is in use, the user's hand will hold the test body 1, and the end covered with the sponge cover 2 will be close to the noise source. By using the microphone 12 and the amplifier 11 in combination, the noise in the environment can be detected. Among them, a number of buffer blocks 22 are provided on the inner side of the sponge cover 2. By setting a number of buffer blocks 22 in the sponge cover 2, the microphone 12 can be protected, the use environment of the microphone 12 can be improved, and damage caused by impact of external objects can be prevented; then, a receiving groove 3 is opened on the test body 1, and a sleeve 31 that can be moved linearly is provided in the receiving groove 3, and a receiving tube 32 that can be moved linearly is provided in the sleeve 31. The receiving tube 32 and the sleeve 31 can be telescopically used, and a telescopic end can be provided in the receiving groove 3 to connect the receiving tube 32 to the amplifier 11 to realize the connection between the amplifier 11 and the test body 1, so that the tester can transmit the detected data to the test body 1 for processing and display, which is convenient for the user to read the data. When the tester is in use, the sponge cover 2 can be separated from the sleeve 31 by pulling the microphone 12. Continuous pulling causes the housing tube 32 to pull the sleeve 31 outward, causing the housing tube 32 and the sleeve 31 to stretch outward, and the microphone 12 and the amplifier 11 to be pulled out of the housing slot 3 for use. When the microphone 12 is not in use, the sponge cover 2 can be pushed toward the housing slot 3 to receive the housing tube 32 into the sleeve 31. The sleeve 31 retracts toward the housing slot 3, shortening the length of the sleeve 31 and the housing tube 32, and the amplifier 11 is stored in the housing slot 3. This allows the tester to accommodate both the amplifier 11 and the microphone 12. Both the amplifier 11 and the microphone 12 can be stored in the sleeve 31 and the test body 1. The tester can use the sleeve 31 and the housing tube 32 to protect the amplifier 11 and the microphone 12, thereby increasing the protection diversity of the amplifier 11 and the microphone 12 and improving the protection convenience of the noise tester.

[0027] Among them, it is worth mentioning that Figure 4 and5 As shown, several buffer blocks 22 are located between the microphone 12 and the sponge cover 2, which can provide shock-absorbing protection to the surrounding side of the microphone 12, thereby achieving all-round protection of the microphone 12. The rubber cover 21 is then provided at the open end of the sponge cover 2 to increase the elasticity and toughness of the edge of the sponge cover 2, so that the sponge cover 2 can be more tightly wrapped around the microphone 12, thereby preventing the sponge cover 2 from falling or shifting, and improving the protective effect of the buffer blocks 22 on the microphone 12.

[0028] In some embodiments, the buffer block 22 can be made of silicone material, such as Figure 5 As shown, the structure of the buffer block 22 may include a buffer rod 221 fixed to the inner side of the sponge cover 2, and a buffer ball 222 is provided at the end of the buffer rod 221 to fit the surface of the microphone 12. When the outside of the microphone 12 is subjected to external force, the external force is first absorbed by the sponge cover 2, and part of the absorbed force is transmitted to several buffer blocks 22. Through the structural setting of the buffer rod 221 and the buffer ball 222 on the buffer block 22, the silicone material of the buffer block 22 is conveniently utilized. The buffer rod 221 is deformed under force, and the buffer ball 222 rubs against the surface of the transmitter, further weakening the external force, avoiding damage to the transmitter, and improving the service life of the tester and the noise detection quality.

[0029] In order to increase the connection stability between the sleeve 31 and the receiving tube 32 and the test body 1 and facilitate the telescopic use of the two tubes, such as Figure 2 and 3 As shown, in some embodiments, positioning grooves 33 can be provided on the outside of both the sleeve 31 and the receiving tube 32, and multiple positioning protrusions can be provided in the positioning grooves 33. The positioning grooves 33 allow both the sleeve 31 and the receiving tube 32 to move linearly, and the positioning protrusions can be used to limit the movement distance of the sleeve 31 and the receiving tube 32 on the test body 1. Furthermore, positioning ends are provided at the ends of the sleeve 31 and the receiving tube 32. When the sleeve 31 and the receiving tube 32 are used for telescopic operation, the positioning grooves 33 can determine the movement direction of the sleeve 31 and the receiving tube 32. The positioning ends are used to determine the telescopic distance of the sleeve 31 in the receiving groove 3 and the telescopic distance of the receiving tube 32 in the sleeve 31, so that the positioning ends limit the ends of the two tubes and prevent them from falling off. This facilitates the tester to perform long-distance noise detection, improves the structural stability of the tester during telescopic operation, and increases test accuracy.

[0030] Furthermore, if Figure 3As shown, an edge ring 34 can be provided on the end of the sleeve 31 away from the accommodating groove 3, and the same dust cover 35 can be provided between the edge ring 34 and the accommodating groove 3. The dust cover 35 can be used to seal the sleeve 31 and the accommodating groove 3. One end of the dust cover 35 can be fixed on the inner wall of the accommodating groove 3 to seal the bottom of the accommodating groove 3; and the use of rubber material for the dust cover 35 makes it convenient for the dust cover 35 to adapt to the telescopic movement of the sleeve 31, to perform dust-proof treatment on the accommodating groove 3 in real time, to prevent impurities from entering between the accommodating groove 3 and the sleeve 31, to avoid jamming of the sleeve 31, to improve the smoothness of the movement of the sleeve 31, and to facilitate long-distance detection of the tester.

[0031] In order to test the noise of the main body 1 better, its structure is protected, such as Figure 1 As shown, a number of protective strips 4 can be provided on the peripheral side of the test body 1, and the protective strips 4 are provided in a U-shaped structure, with the side of the protective strip 4 close to the test body 1 being a fitting portion 41, and the side of the protective strip 4 away from the test body 1 being a contact portion 42, so that the open end of the protective strip 4 is provided outward, and a buffer portion 43 is provided on the inner side of the fitting portion 41. When the test body 1 is hit by an external object, the two contact portions 42 opening outward first absorb shock, and then the elastic deformation of the buffer portion 43 and the fitting portion 41 weakens the impact force of the object, thereby achieving protection of the exterior of the test body 1 and preventing the tester from falling. Furthermore, the structural setting of the protective strip 4 opening outward makes it easier for the user to hold the tester with their palms, and can limit the fingers, thereby increasing the hand-held stability of the tester, preventing the tester from slipping or falling and being damaged, and increasing the test accuracy.

[0032] Furthermore, the protective strip 4 can be made of rubber material, and the height of the protective strip 4 can be set to the same as the thickness of the test body 1. The use of protective strips 4 of the same height facilitates shock absorption protection of different surfaces of the test body 1. By arranging several protective strips 4 in parallel on the test body 1, the uniformity of protection of the test body 1 by the several protective strips 4 is increased, which is convenient for users to hold in hand.

[0033] Of course, the above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A portable noise tester comprising a test body (1), an amplifier (11) arranged on the test body (1), and a microphone (12) arranged at the end of the amplifier (11), wherein the outer cover of the microphone (12) is provided with a sponge cover (2), characterized in that: A plurality of buffer blocks (22) are provided on the inner side of the sponge cover (2) for protecting the outside of the microphone (12); A receiving groove (3) is provided on one side of the test body (1), a sleeve (31) that moves linearly is provided in the receiving groove (3), a receiving tube (32) that moves linearly is provided in the sleeve (31), and the receiving tube (32) is connected to the amplifier (11) and is used for receiving and protecting the amplifier (11) and the microphone (12) in the test body (1).

2. The portable noise tester according to claim 1, characterized in that: The plurality of buffer blocks (22) are located between the microphone (12) and the sponge cover (2), and the open end of the sponge cover (2) is provided with a rubber cover (21).

3. The portable noise tester according to claim 2, characterized in that: The buffer block (22) is made of a silicone material and comprises a buffer rod (221) fixedly arranged on the inner side of the sponge sleeve (2), and a buffer ball (222) is provided at the end of the buffer rod (221).

4. The portable noise tester according to claim 1, wherein: The outer sides of the sleeve (31) and the accommodating tube (32) are both provided with positioning grooves (33), a plurality of positioning protrusions are provided in the positioning grooves (33), and the ends of the sleeve (31) and the accommodating tube (32) are both provided with positioning ends for movably arranging the sleeve (31) and the accommodating tube (32) in the accommodating groove (3) to prevent the sleeve (31) and the accommodating tube (32) from being separated from the test body (1).

5. The portable noise tester according to claim 4, characterized in that: An edge ring (34) is sleeved on one end of the sleeve (31) away from the receiving groove (3), and a dust cover (35) is provided between the edge ring (34) and the receiving groove (3), and the dust cover (35) is made of rubber material.

6. The portable noise tester according to claim 1, wherein: A plurality of protective strips (4) are provided on the periphery of the test body (1), wherein the protective strips (4) are U-shaped structures, wherein the side of the protective strips (4) close to the test body (1) is a fitting portion (41), and the side of the protective strips (4) away from the test body (1) is a contact portion (42), and a buffer portion (43) is provided on the inner side of the fitting portion (41).

7. The portable noise tester according to claim 6, characterized in that: The protective strip (4) is made of rubber material, the height of the protective strip (4) is the same as the thickness of the test body (1), and a plurality of the protective strips (4) are arranged in parallel on the test body (1).

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