CN210802683U

CN210802683U - Portable ambient noise detector

Info

Publication number: CN210802683U
Application number: CN201922297945.5U
Authority: CN
Inventors: 何廷; 乔月; 周春光; 贾荣粲; 董新
Original assignee: Liaoning Huihua Technology Service Co ltd
Current assignee: Liaoning Huihua Technology Service Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-06-19
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a portable environmental noise detector, which relates to the technical field of noise detectors and comprises a shell, wherein the top of the shell is provided with a sound sensor, and the top of the sound sensor extends to the top of the shell and is provided with a microphone, the outer part of the microphone is sleeved with a windproof cotton sleeve, the top of the shell is provided with a supporting frame, the top end of the supporting frame is rotationally connected with a supporting rod through a damping rotating shaft, the rear surface of the shell is provided with a mounting seat, and one side of the mounting seat is rotatably connected with a connecting rod through a rotating shaft, one end of the connecting rod is provided with a turntable, and one side of the rotary disc is wound with the data cable, the utility model solves the problem that the windproof cotton sleeve is fixed outside the microphone by glue and is not beneficial to replacement through the support frame and the support rod, through the carousel, solved data cable and separately placed the problem that is not convenient for carry the use with the noise tester.

Description

Portable ambient noise detector

Technical Field

The utility model belongs to the technical field of the noise detector, concretely relates to portable ambient noise detector.

Background

The noise tester is used for noise detection and testing in public places, the application of the noise tester can provide decibels reached by noise so as to take relevant measures to control and reduce the noise, a sound sensor is usually adopted for noise testing to convert sound signals into electric signals, the noise tester can simulate the time characteristic of response speed of human ears to sound waves, frequency characteristics with different sensitivities at high and low frequencies and intensity characteristics of changing the frequency characteristics at different loudness are adopted, the existing windproof cotton sleeve of the noise tester is directly fixed outside a microphone, impurities are stained outside the microphone, the noise tester is not beneficial to replacement, in the process of exporting data measured by the noise tester, a data cable needs to be carried, the data cable and the noise tester are separately placed and are not convenient to carry and use, and based on the problems, the portable environmental noise detector is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable ambient noise detector to prevent wind the cotton cover snap-on in solving and proposing among the above-mentioned background art, be unfavorable for changing at the microphone outside, and the data cable separately places the problem that is not convenient for carry the use with the noise tester.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable ambient noise detector, includes the casing, sound sensor is installed at the inside top of casing, and sound sensor's top extends to the top of casing and installs the microphone, the outside cover of microphone is equipped with prevent wind cotton cover, the support frame is installed at the top of casing, and the top of support frame is connected with the bracing piece through the rotation of damping pivot.

Preferably, the rear surface mounting of casing has the mount pad, and one side of mount pad is rotated through the pivot and is connected with the connecting rod, the carousel is installed to the one end of connecting rod, and one side of carousel is around being equipped with the data cable.

Preferably, a display screen is mounted on the front surface of the housing, and a switch is mounted below the display screen.

Preferably, the inside mid-mounting of casing has the controller, and one side of controller installs the USB socket, display screen and sound sensor all with controller electric connection, controller and switch electric connection.

Preferably, a storage battery placing groove is formed in the rear surface of the housing, and a blocking cover is installed on one side of the storage battery placing groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a support frame and bracing piece will prevent wind the cotton cover and press from both sides tightly on the microphone, have guaranteed to prevent wind the stability of cotton cover on the microphone, and convenient to use person changes simultaneously and prevents wind the cotton cover, has solved to prevent wind the cotton for the cover glue fix at the microphone outside, is unfavorable for the problem of changing.

(2) The utility model discloses a carousel, with the data cable winding on the carousel, convenient to use person uses the data cable, is favorable to placing of data cable, and it is more convenient to carry, has solved data cable and noise tester and has separately placed the problem that is not convenient for carry the use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the housing of the present invention;

fig. 3 is a rear view of the present invention;

fig. 4 is a state diagram after the turntable of the present invention is rotated;

in the figure: 1-a switch; 2-a display screen; 3-windproof cotton sleeves; 4-a support bar; 5-a support frame; 6-a shell; 7-a data cable; 8-rotating disc; 9-a connecting rod; 10-a controller; 11-a sound sensor; 12-a microphone; 13-storage battery placing groove; 131-a stop cover; 14-a USB socket; 15-mounting seat.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a portable ambient noise detector, which comprises a housin 6, sound sensor 11 is installed at the inside top of casing 6, sound sensor 11 embeds a sensitive condenser electret microphone to sound, the sound wave makes the electret film vibration in the microphone, lead to the change of electric capacity, and produce the little voltage that corresponds the change with it, this voltage is converted into zero to five volts's voltage afterwards, through AD conversion by data acquisition unit and accept, and send controller 10 to, and sound sensor 11's top extends to the top of casing 6 and installs microphone 12, the outside cover of microphone 12 is equipped with windproof cotton cover 3, support frame 5 is installed at the top of casing 6, and the top of support frame 5 is connected with bracing piece 4 through the damping pivot rotation.

Further, the rear surface mounting of casing 6 has mount pad 15, and one side of mount pad 15 is rotated through the pivot and is connected with connecting rod 9, and carousel 8 is installed to the one end of connecting rod 9, and there is a stand at the center of carousel 8, and data cable 7 winds on the stand, and the length of stand can not be greater than the distance between carousel 8 and the casing 6, and the carousel 8 of being convenient for is accomodate in the rear surface of casing 6, and one side of carousel 8 is around being equipped with data cable 7.

Further, a display screen 2 is mounted on the front surface of the housing 6, and a switch 1 is mounted below the display screen 2.

Further, a controller 10 is installed in the middle of the inside of the shell 6, other electronic components such as a filter are installed on the controller 10, the current transmitted to the controller 10 by the sound sensor 11 is subjected to filtering resonance, the detection precision is guaranteed, the controller 10 is N5292 and rated voltage is 6V, a USB socket 14 is installed on one side of the controller 10, the display screen 2 and the sound sensor 11 are both electrically connected with the controller 10, and the controller 10 is electrically connected with the switch 1.

Further, a storage battery placing groove 13 is opened on the rear surface of the housing 6, and a blocking cover 131 is installed on one side of the storage battery placing groove 13.

The utility model discloses a theory of operation and use flow: when the device is used, a user places the storage battery 13 in the storage battery placing groove 13 to provide power for the noise tester, holds the shell 6 by hand, brings the microphone 12 close to the tested environment, records the sound by the microphone 12, converts the sound signal into an electric signal after passing through the sound sensor 11, displays the numerical value on the display screen 2 through the controller 10, observes the display screen 2 to obtain the numerical value, pulls the support rod 4 by hand to separate the support rod 4 from the windproof cotton sleeve 3, then pulls out the windproof cotton sleeve 3, sleeves the new windproof cotton sleeve 3 on the microphone 12, pushes the support rod 4 to the original position to squeeze the windproof cotton sleeve 3, then rotates the rotary disc 8, the rotary disc 8 and the connecting rod 9 rotate to one side of the shell 6 around the rotating shaft on the mounting seat 15, then pulls out the data cable 7, inserts the other end of the data cable 7 into the computer, and guides the data in the noise tester out to the computer, and then analyzed.

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

1. The utility model provides a portable ambient noise detector, includes casing (6), sound sensor (11) are installed at the inside top of casing (6), and the top of sound sensor (11) extends to the top of casing (6) and installs microphone (12), its characterized in that: the outside cover of microphone (12) is equipped with windproof cotton cover (3), support frame (5) are installed at the top of casing (6), and the top of support frame (5) is rotated through the damping pivot and is connected with bracing piece (4).

2. The portable ambient noise monitor of claim 1, wherein: the rear surface mounting of casing (6) has mount pad (15), and one side of mount pad (15) rotates through the pivot and is connected with connecting rod (9), carousel (8) are installed to the one end of connecting rod (9), and one side of carousel (8) is around being equipped with data cable (7).

3. The portable ambient noise monitor of claim 1, wherein: the front surface mounting of casing (6) has display screen (2), and switch (1) is installed to the below of display screen (2).

4. The portable ambient noise monitor of claim 3, wherein: the utility model discloses a USB socket, including casing (6), display screen (2), sound sensor (11), switch (1), USB socket (14), display screen (2) and sound sensor (11) all with controller (10) electric connection, controller (10) and switch (10) electric connection.

5. The portable ambient noise monitor of claim 1, wherein: the rear surface of the shell (6) is provided with a storage battery placing groove (13), and one side of the storage battery placing groove (13) is provided with a blocking cover (131).