CN219015460U

CN219015460U - Noise analyzer

Info

Publication number: CN219015460U
Application number: CN202221262031.0U
Authority: CN
Inventors: 侯玥; 孔小玲; 赵龙飞
Original assignee: Sichuan Henggu Construction Project Examination Co ltd
Current assignee: Sichuan Henggu Construction Project Examination Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2023-05-12
Anticipated expiration: 2032-05-23

Abstract

The utility model provides a noise analyzer, which relates to the technical field of environment detection devices and comprises an analyzer body; the surface of the analyzer body is provided with a groove, the surface of the groove is provided with a display screen and keys, the notch of the groove is provided with a visual protection window and a protection plate which can jointly seal the groove, the visual protection window is fixedly connected with the analyzer body and is arranged corresponding to the display screen, the protection plate is arranged above the groove in a sliding manner, and one side wall of the analyzer body is provided with a control structure for controlling the movement of the protection plate; the back of the analyzer body is provided with an anti-collision plate for preventing the analyzer body from being damaged. The problem that dust is easy to accumulate when the device is not used in the prior art, so that the keys are difficult to press and the precision instruments inside the device are easy to damage when the keys fall down, and the service life of the device is reduced is solved.

Description

Noise analyzer

Technical Field

The utility model relates to the technical field of environment detection devices, in particular to a noise analyzer.

Background

The noise analyzer is an instrument device for monitoring and analyzing noise to obtain various parameters of the noise, and the main parameter of the noise is decibel. The noise analyzer can find a noise source, and the obtained parameters can guide people to perform related intervention means to minimize the consequences of the noise.

As shown in fig. 1, the noise analyzer comprises an analyzer body, a microphone with a fan cover is arranged on the upper portion of the analyzer body, a preamplifier is connected to the lower end of the microphone, the preamplifier is electrically connected with a signal processor in the analyzer body, a display is arranged on the surface of the analyzer body, and keys are arranged on the lower side of the display. When the noise analyzer is not used, dust is easy to accumulate after long-term storage, so that keys are difficult to press easily, meanwhile, the noise analyzer lacks a protection device, and the accurate instrument inside the noise analyzer is easy to damage when the noise analyzer falls down, so that the service life of the noise analyzer is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a noise analyzer, which solves the problems that dust is easy to accumulate when the noise analyzer is not used in the prior art, so that keys are difficult to press and precision instruments in the noise analyzer are easy to damage when the noise analyzer falls down, and the service life of the noise analyzer is reduced.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a noise analyzer comprising an analyzer body;

the surface of the analyzer body is provided with a groove, the surface of the groove is provided with a display screen and keys, the notch of the groove is provided with a visual protection window and a protection plate which can jointly seal the groove, the visual protection window is fixedly connected with the analyzer body and is arranged corresponding to the display screen, the protection plate is arranged above the groove in a sliding manner, and one side wall of the analyzer body is provided with a control structure for controlling the movement of the protection plate;

the back of the analyzer body is provided with an anti-collision plate for preventing the analyzer body from being damaged.

Compared with the prior art, the utility model has the following beneficial effects:

through the cooperation of the protection plate and the control structure, the surface of the analyzer body can be protected from impact and dust through the protection plate, and meanwhile, the analyzer body is convenient to open and close during use; through setting up the anticollision board, when the analyzer carelessly drops, can reduce the impact through the anticollision board, the inside precision instrument of protection analyzer body.

Preferably, the control structure comprises a fixed block and a rotating plate, wherein the fixed block is fixed on the side wall of the analyzer body, one end of the rotating plate is hinged to the fixed block, the other end of the rotating plate is provided with a strip hole for the protection plate to pass through, two ends of the protection plate are provided with strip-shaped plates for preventing the protection plate from falling out of the strip hole, and the surface and the back of the analyzer body are both provided with fixing components for fixing the protection plate.

Preferably, the fixed subassembly includes dead lever, fixed spring and fixed knob, be equipped with the fixed slot on the analyzer body, dead lever one end sliding connection is in the fixed slot, and the other end and fixed knob threaded connection, and fixed spring sets firmly between dead lever and fixed slot, be equipped with the through-hole that supplies the dead lever to pass through on the guard plate.

Preferably, the analyzer body back is equipped with the holding tank that holds the anticollision board, and holding tank bottom wall is equipped with the sliding tray, be equipped with the slide bar on the anticollision board, slide bar along perpendicular analyzer body direction sliding connection in the sliding tray, compression spring has set firmly between slide bar and the sliding tray tank bottom.

Preferably, a preamplifier is arranged at the top of the analyzer body, a microphone is connected to the preamplifier, and a fan housing is arranged outside the microphone.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic diagram of a conventional noise analyzer.

Fig. 2 is a schematic overall structure of an embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view of a part of a groove in a closed state according to an embodiment of the present utility model.

Fig. 4 is a schematic sectional view of a part of the structure of the analyzer body in use state according to the embodiment of the utility model.

Fig. 5 is a schematic top view of a shielding plate structure according to an embodiment of the utility model.

Fig. 6 is a schematic view of a portion of the structure at a of fig. 3 in cross-section.

In the above figures: 1. an analyzer body; 11. a groove; 12. a receiving groove; 13. a sliding groove; 14. a fixing groove; 2. a visual protective window; 3. a protection plate; 31. a strip-shaped plate; 32. a through hole; 4. an anti-collision plate; 41. a slide bar; 42. a compression spring; 51. a fixed block; 52. a rotating plate; 61. a fixed rod; 62. a fixed spring; 63. fixing a knob; 7. and a fan cover.

Detailed Description

In order to make the technical means, creation characteristics, achievement of the purpose and function of the present utility model more clear and easy to understand, the technical scheme of the present utility model is further described below with reference to the accompanying drawings and embodiments.

As shown in fig. 2 to 6, an embodiment of the present utility model proposes a noise analyzer including an analyzer body 1; the surface of the analyzer body 1 is provided with a groove 11, the surface of the groove 11 is provided with a display screen and keys, the notch of the groove 11 is provided with a visual protection window 2 and a protection plate 3 which can jointly seal the groove 11, the visual protection window 2 is fixedly connected with the analyzer body 1 and is arranged corresponding to the display screen, the protection plate 3 is arranged above the groove 11 in a sliding manner, and one side wall of the analyzer body 1 is provided with a control structure for controlling the movement of the protection plate 3; the back of the analyzer body 1 is provided with an anti-collision plate 4 for preventing the analyzer body 1 from being damaged.

The analyzer body 1 can effectively collect and store the monitored noise data and send the monitored data to the display screen; the display screen and the keys are arranged on the surface of the groove 11, so that the display screen and the keys can be protected; the visual protection window 2 is arranged, so that the content displayed on the display screen can be conveniently observed through the visual protection window 2; the protection plate 3 is arranged, the groove 11 is closed through the action of the protection plate 3 and the visual protection window 2, dust accumulation is avoided, and therefore keys are easy to press; the control structure can control the protection plate 3 to move, so that the protection plate 3 opens or closes the groove 11, and when the groove 11 is opened, the key is conveniently pressed for operation; set up crashproof board 4, when the analyzer carelessly drops, can reduce the impact through crashproof board 4, the inside precision instrument of protection analyzer body 1.

As shown in fig. 2 to 5, the control structure comprises a fixed block 51 and a rotating plate 52, the fixed block 51 is fixed on the side wall of the analyzer body 1, one end of the rotating plate 52 is hinged on the fixed block 51, the other end of the rotating plate is provided with a strip hole through which the protection plate 3 passes, two ends of the protection plate 3 are provided with strip plates 31 for preventing the protection plate 3 from falling out of the strip hole, and the surface and the back of the analyzer body 1 are both provided with fixing components for fixing the protection plate 3. The protection plate 3 can slide in the strip hole, when the groove 11 is closed, one end of the protection plate 3 is connected with the rotating plate 52, and the other end of the protection plate is fixed on the analyzer body 1 through a fixing component on the surface of the analyzer body 1; when the groove 11 is opened to operate the key, as shown in fig. 3 and 4, the rotating plate 52 rotates clockwise for 180 degrees, and then the protection plate 3 is slid, so that the other end of the protection plate 3 is connected with the rotating plate 52, and the other end of the protection plate is fixed through a fixing component on the back of the analyzer body 1; the strip-shaped plate 31 is arranged, so that the protection plate 3 can be prevented from sliding out of the strip hole, and the strip-shaped plate 31 at one end, connected with the rotation plate 52, of the protection plate 3 is abutted against the rotation plate 52; the rotating plate 52 is arranged, and when the noise analyzer is needed, the fixed position of the protection plate 3 is changed by rotating the rotating plate 52, so that key operation is facilitated.

Further, as shown in fig. 3 to 6, the fixing assembly includes a fixing rod 61, a fixing spring 62 and a fixing knob 63, the analyzer body 1 is provided with a fixing groove 14, one end of the fixing rod 61 is slidably connected in the fixing groove 14, the other end is in threaded connection with the fixing knob 63, the fixing spring 62 is fixedly arranged between the fixing rod 61 and the fixing groove 14, and the protection plate 3 is provided with a through hole 32 for the fixing rod 61 to pass through. The elastic force of the fixing spring 62 makes the fixing rod 61 pop out of the fixing groove 14, and when the protection plate 3 is fixed, the fixing knob 63 is detached from the fixing rod 61, the fixing rod 61 passes through the through hole 32, and then the end of the protection plate 3 is fixed by the threaded cooperation of the fixing knob 63 and the fixing rod 61.

In order to avoid interference caused by the fixation of the anti-collision plate 4 to the protection plate 3, as shown in fig. 3 and 4, the back of the analyzer body 1 is provided with a containing groove 12 for containing the anti-collision plate 4, the bottom wall of the containing groove 12 is provided with a sliding groove 13, the anti-collision plate 4 is provided with a sliding rod 41, the sliding rod 41 is slidingly connected in the sliding groove 13 along the direction perpendicular to the analyzer body 1, and a compression spring 42 is fixedly arranged between the sliding rod 41 and the bottom of the sliding groove 13. Under natural state, the elasticity of compression spring 42 makes crashproof board 4 stretch out holding tank 12 outside, and when guard plate 3 rotates to the back in-process of analyzer body 1, applys pressure for crashproof board 4, makes crashproof board 4 to the direction that holding tank 12 is located remove, and compression spring 42 is compressed, until crashproof board 4 removes into holding tank 12.

As shown in fig. 2, a preamplifier is arranged on the top of the analyzer body 1, a microphone is connected to the preamplifier, and a fan housing 7 is arranged outside the microphone. The fan housing 7 is connected with the noise analyzer body 1, can collect the noise effectively, improves the result of use of analysis appearance.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A noise analyzer, characterized by: comprising an analyzer body (1);

the surface of the analyzer body (1) is provided with a groove (11), the surface of the groove (11) is provided with a display screen and keys, the notch of the groove (11) is provided with a visual protection window (2) and a protection plate (3) which can jointly act to seal the groove (11), the visual protection window (2) is fixedly connected with the analyzer body (1) and is arranged corresponding to the display screen, the protection plate (3) is arranged above the groove (11) in a sliding manner, and one side wall of the analyzer body (1) is provided with a control structure for controlling the movement of the protection plate (3);

the control structure comprises a fixed block (51) and a rotating plate (52), wherein the fixed block (51) is fixed on the side wall of the analyzer body (1), one end of the rotating plate (52) is hinged to the fixed block (51), the other end of the rotating plate is provided with a strip hole for a protection plate (3) to pass through, two ends of the protection plate (3) are provided with strip plates (31) for preventing the protection plate (3) from falling out of the strip hole, and the surface and the back of the analyzer body (1) are both provided with fixing components for fixing the protection plate (3);

the back of the analyzer body (1) is provided with an anti-collision plate (4) for preventing the analyzer body (1) from being damaged.

2. A noise analyzer as defined in claim 1, wherein: the fixing assembly comprises a fixing rod (61), a fixing spring (62) and a fixing knob (63), a fixing groove (14) is formed in the analyzer body (1), one end of the fixing rod (61) is slidably connected in the fixing groove (14), the other end of the fixing rod is in threaded connection with the fixing knob (63), the fixing spring (62) is fixedly arranged between the fixing rod (61) and the fixing groove (14), and a through hole (32) for the fixing rod (61) to pass through is formed in the protection plate (3).

3. A noise analyzer as defined in claim 1, wherein: the utility model discloses a portable analyzer, including analysis appearance body (1), including analysis appearance body (1), compression spring (42) have been set firmly between the bottom of sliding lever (41) and sliding groove (13), the back of analysis appearance body (1) is equipped with holding tank (12) that hold anticollision board (4), holding tank (12) diapire is equipped with sliding groove (13), be equipped with sliding lever (41) on anticollision board (4), sliding lever (41) are followed perpendicular analysis appearance body (1) direction sliding connection in sliding groove (13).

4. A noise analyzer as defined in claim 1, wherein: the top of the analyzer body (1) is provided with a preamplifier, the preamplifier is connected with a microphone, and a fan housing (7) is arranged outside the microphone.