Environmental noise level detection device

Abstract

The utility model provides an environmental noise level detection device, which belongs to the technical field of environmental monitoring and comprises a frame mechanism, supporting legs, a supporting frame fixedly mounted on the side walls of the supporting legs, a mounting box fixedly mounted on the inner wall of the supporting frame and an opening and closing assembly arranged on the surface of the mounting box. The monitoring mechanism comprises a separation box fixedly installed on the inner wall of the installation box, a noise sensor fixedly installed on the inner wall of the separation box and a sound receiving assembly arranged on the inner wall of the installation box. According to the utility model, through the arrangement of the frame mechanism and the monitoring mechanism, high efficiency and convenience of the environmental noise detection device are realized; an opening and closing assembly in the frame mechanism adopts a linkage structure of a spring telescopic rod and a hinge, so that a cover plate can be flexibly opened and closed, the storage and protection of the device are facilitated, and the operation convenience is also improved; a sound receiving assembly in the monitoring mechanism drives a connecting rod and a limiting base through an air cylinder, lifting of a sound receiving microphone can be accurately controlled, and the accuracy of noise detection is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to environmental monitoring technical field, concretely relates to an environmental noise level detection device. BACKGROUND

[0002] The background technology of environmental noise level detection device mainly relates to acoustics, electronic engineering and signal processing fields, along with the urbanization process accelerates, the noise pollution problem is increasingly prominent, has the negative influence to people's life quality and health, in order to effectively monitor and manage noise, environmental noise detection device arises at the historic moment, this kind of device is usually composed of microphone, signal amplifier, filter and data processing unit, can real-time acquisition sound wave signal in the environment, and it is converted into electric signal and is analyzed.

[0003] The environmental noise detection device in prior art usually has problems such as complex structure, inconvenient operation, storage difficulty and limited detection precision, especially in outdoor or complex environment, the stability and convenience of the device are difficult to balance, and the sound receiving assembly of the traditional device often lacks flexible adjustment mechanism, so that noise signal acquisition is not accurate, and the reliability of monitoring result is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an environmental noise level detection device, and aims at solving the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] An environmental noise level detection device, comprising,

[0007] Frame mechanism, including support leg, support frame fixedly installed on the side wall of the support leg, installation box fixedly installed on the inner wall of the support frame, and opening and closing assembly arranged on the surface of the installation box.

[0008] Monitoring mechanism, including partition box fixedly installed on the inner wall of the installation box, noise sensor fixedly installed on the inner wall of the partition box, and sound receiving assembly arranged on the inner wall of the installation box.

[0009] As a preferred scheme of the utility model, the opening and closing assembly includes connecting seat fixedly installed on the inner wall of the installation box, and folding rod connected on the inner wall of the connecting seat through bearing.

[0010] As a preferred scheme of the utility model, the opening and closing assembly further includes fixing seat connected on the end of the folding rod through bearing, and cover plate fixedly connected on the bottom of the fixing seat.

[0011] As a preferred scheme of the utility model, the opening and closing assembly further includes a hinge fixedly installed on the side wall of the cover plate and a spring telescopic rod fixedly installed on the inner wall of the installation box.

[0012] As a preferred scheme of the utility model, the radio assembly includes a base fixedly installed on the inner wall of the installation box and a cylinder fixedly installed on the side wall of the base.

[0013] As a preferred scheme of the utility model, the radio assembly further includes a connecting rod fixedly connected to the end of the cylinder and a limiting seat sleeved on the surface of the connecting rod.

[0014] As a preferred scheme of the utility model, the radio assembly further includes a limiting rod slidingly connected to the inner wall of the limiting seat, a connector fixedly installed on the end of the connecting rod and a radio microphone fixedly installed on the side wall of the limiting seat.

[0015] Compared with the prior art, the utility model has the beneficial effects that: through the setting of the frame mechanism and the monitoring mechanism, the efficiency and convenience of the environmental noise detection device are realized; the linkage structure of the spring telescopic rod and the hinge in the opening and closing assembly of the frame mechanism enables the cover plate to be flexibly opened and closed, which facilitates the storage and protection of the device and improves the convenience of operation; the radio assembly in the monitoring mechanism drives the connecting rod and the limiting seat through the cylinder, which can accurately control the lifting of the radio microphone and ensure the accuracy of noise detection; the device is simple to operate, suitable for various environmental noise monitoring scenes and has high practical value and promotional significance. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor. Among them:

[0017] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0018] Fig. 2 It is the monitoring mechanism structure schematic diagram of the utility model;

[0019] Fig. 3 It is the radio assembly structure schematic diagram of the utility model;

[0020] Fig. 4 It is the frame mechanism structure schematic diagram of the utility model.

[0021] In the figure: 100, frame mechanism; 101, support leg; 102, support frame; 103, mounting box; 104, opening and closing assembly; 104a, connecting seat; 104b, folding rod; 104c, fixing seat; 104d, cover plate; 104e, hinge; 104f, spring telescopic rod; 200, monitoring mechanism; 201, partition box; 202, noise sensor; 203, sound receiving assembly; 203a, base; 203b, air cylinder; 203c, connecting rod; 203d, limiting seat; 203e, limiting rod; 203f, connector; 203g, sound receiving microphone. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0024] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0025] Embodiment

[0026] Reference Figs. 1-4 For the embodiment of the present application, the embodiment provides an environmental noise level detection device, comprising,

[0027] The frame mechanism 100 comprises a support leg 101, a support frame 102 fixedly installed on the side wall of the support leg 101, a mounting box 103 fixedly installed on the inner wall of the support frame 102, and an opening and closing assembly 104 arranged on the surface of the mounting box 103.

[0028] The monitoring mechanism 200 comprises a partition box 201 fixedly installed on the inner wall of the mounting box 103, a noise sensor 202 fixedly installed on the inner wall of the partition box 201, and a sound receiving assembly 203 arranged on the inner wall of the mounting box 103.

[0029] Specifically, the opening and closing assembly 104 comprises a connecting seat 104a fixedly installed on the inner wall of the mounting box 103, a folding rod 104b connected by bearings on the inner wall of the connecting seat 104a, a fixing seat 104c connected by bearings on the end of the folding rod 104b, a cover plate 104d fixedly connected on the bottom of the fixing seat 104c, a hinge 104e fixedly installed on the side wall of the cover plate 104d, and a spring telescopic rod 104f fixedly installed on the inner wall of the mounting box 103.

[0030] Further, the cover plate 104d is arranged to facilitate the protection of the device when not in use, and the storage of the device.

[0031] Preferably, the sound collecting assembly 203 comprises a base 203a fixedly installed on the inner wall of the mounting box 103, and a pneumatic cylinder 203b fixedly installed on the side wall of the base 203a, the sound collecting assembly 203 further comprises a connecting rod 203c fixedly connected on the end of the pneumatic cylinder 203b, a limiting seat 203d sleeved on the surface of the connecting rod 203c, a limiting rod 203e slidingly connected on the inner wall of the limiting seat 203d, a connector 203f fixedly installed on the end of the connecting rod 203c, and a sound collecting microphone 203g fixedly installed on the side wall of the limiting seat 203d.

[0032] It should be noted that the pneumatic cylinder 203b is arranged to facilitate the lifting of the limiting seat 203d, the extension of the sound collecting microphone 203g out of the mounting box 103, and the more accurate collection of ambient noise by the sound collecting microphone 203g; the noise sensor 202 adopts a sensor of Extech 407730 model, which has a built-in LCD display and data recording function.

[0033] In use, the device is placed in a place where measurement is needed, the cover plate 104d is pulled, the spring telescopic seat cooperates with the hinge 104e to lift the cover plate 104d, the folding rod 104b is unfolded to fix the cover plate 104d, the pneumatic cylinder 203b is started, the pneumatic cylinder 203b is extended to drive the connecting rod 203c to move upward, the connecting rod 203c drives the connector 203f to move upward, the connector 203f cooperates with the limiting rod 203e to move directionally, the connecting rod 203c drives the limiting seat 203d to move upward at the same time, the limiting seat 203d drives the sound collecting microphone 203g to move upward, and the sound collecting microphone 203g extends into the mounting box 103, the sound collecting microphone 203g detects the surrounding environment, the sound signal is transmitted to the noise sensor 202 through the wire, the noise sensor 202 converts the sound signal into an electric signal, and the noise level is displayed through the display.

[0034] In summary, through the organic combination of the frame mechanism 100 and the monitoring mechanism 200, efficient detection of noise is realized; the opening and closing assembly 104 in the frame mechanism 100 can be flexibly opened and closed through the cooperation of the spring telescopic rod 104f and the hinge 104e, which is convenient for storage and protection of the device; the sound collecting assembly 203 in the monitoring mechanism 200 is driven by the air cylinder 203b, which can accurately extend the sound collecting microphone 203g out of the installation box 103, ensuring the accuracy of noise detection; the device is simple to operate and can be effectively applied to real-time monitoring and recording of environmental noise, having high practical value and promotional significance.

[0035] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are by way of illustration only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functions and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the skilled in the art has knowledge of in view of the present disclosure. Therefore, the present application is not limited to particular embodiments described and illustrated herein, but extends to equivalents of which the skilled in the art has knowledge of in view of the present disclosure.

[0036] Furthermore, in the interest of providing a concise description of exemplary embodiments, not all features of an actual implementation can be described (i.e., those unrelated to the best mode of practicing the present application currently contemplated).

[0037] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes, and omissions. Such are the natural consequences of research efforts, and examples of actual implementations are believed to be encompassed within the scope of the present application as set forth in the claims.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. An environmental noise level detection device, characterized in that: include, The frame mechanism (100) includes a leg (101), a support frame (102) fixedly installed on the side wall of the leg (101), a mounting box (103) fixedly installed on the inner wall of the support frame (102), and an opening and closing assembly (104) disposed on the surface of the mounting box (103). The monitoring mechanism (200) includes a partition (201) fixedly installed on the inner wall of the mounting box (103), a noise sensor (202) fixedly installed on the inner wall of the partition (201), and a sound receiving assembly (203) disposed on the inner wall of the mounting box (103).

2. The environmental noise level detection device according to claim 1, characterized in that: The opening and closing assembly (104) includes a connecting seat (104a) fixedly installed on the inner wall of the mounting box (103) and a folding rod (104b) connected to the inner wall of the connecting seat (104a) by a bearing.

3. The environmental noise level detection device according to claim 2, characterized in that: The opening and closing assembly (104) also includes a fixing seat (104c) connected to the end of the folding rod (104b) by a bearing, and a cover plate (104d) fixedly connected to the bottom of the fixing seat (104c).

4. The environmental noise level detection device according to claim 3, characterized in that: The opening and closing assembly (104) also includes a hinge (104e) fixedly installed on the side wall of the cover plate (104d) and a spring telescopic rod (104f) fixedly installed on the inner wall of the mounting box (103).

5. The environmental noise level detection device according to claim 4, characterized in that: The radio assembly (203) includes a base (203a) fixedly mounted on the inner wall of the mounting box (103) and a cylinder (203b) fixedly mounted on the side wall of the base (203a).

6. The environmental noise level detection device according to claim 5, characterized in that: The radio assembly (203) also includes a connecting rod (203c) fixedly connected to the end of the cylinder (203b) and a limiting seat (203d) sleeved on the surface of the connecting rod (203c).

7. The environmental noise level detection device according to claim 6, characterized in that: The radio assembly (203) further includes a limiting rod (203e) slidably connected to the inner wall of the limiting seat (203d), a connector (203f) fixedly installed at the end of the connecting rod (203c), and a microphone (203g) fixedly installed on the side wall of the limiting seat (203d).

Images