CN220104284U - Digital noise meter - Google Patents

Abstract

The utility model discloses a digital noise meter, which comprises a digital noise meter body, a sensor probe fixedly connected with the top of the digital noise meter body, a sponge ball sleeved at the upper end of the sensor probe, and a display fixedly connected with the front surface of the digital noise meter body, wherein a connecting frame is movably arranged on the outer surface of the digital noise meter body, limit grooves are formed in two sides of the inner part of the connecting frame, the digital noise meter body is slidably connected in the limit grooves, limit rods penetrating through the outer side of the digital noise meter body are movably arranged on two sides, close to the bottom end, of the front surface of the digital noise meter body, and a supporting plate is movably arranged in the rear side of the digital noise meter body. According to the utility model, the supporting plate is rotated out from the storage groove, so that the supporting plate and the digital noise meter body are in a vertical state, and the sensor probe is prevented from contacting the ground to influence the measurement effect.

Description

Digital noise meter

Technical Field

The utility model relates to the technical field of digital noise meters, in particular to a digital noise meter.

Background

The noise meter is also called a sound level meter, is an instrument for measuring sound pressure level or sound level of sound, and is widely applied to industrial noise measurement and environmental noise measurement of various machines, vehicles, ships, electric appliances and the like. The working principle is as follows: the microphone converts sound into an electrical signal and the pre-amplifier converts impedance to match the microphone to the attenuator. The amplifier adds the output signal to the weighting network, carries out frequency weighting on the signal, then amplifies the signal to a certain amplitude through the attenuator and the amplifier, sends the signal to the effective value detector, and gives the value of noise level on the indication gauge head;

aiming at the prior art, the patent number is: CN202221342235.5, a digital noise meter of jam-proof, it can receive outside sound through the sensor probe, seal up through reasonable electronic circuit and outer structure, sealed pad has sealed effect, prevent outside can dust and impurity get into the inside of noise meter body, the work element to work causes the influence, the nut meshes with the outside of sensor probe, make the windshield stable installation in the outside of sensor probe, the windshield can ensure the accuracy of data in certain wind speed range, also play the effect of protection to inside sensor probe, the inside windshield of protection network protection and sensor probe, prevent damage because of dropping, thereby reach the purpose of jam-proof, ensure stability and accuracy of detection data, the outside at the noise meter body is installed to protection pad, for the installation of a spring provides the position, also protect the outside of noise meter body to suffer from external damage because of external force damage, a spring can change self shape through external force, after removing, change the shape, the inside noise meter body is protected to the shell, prevent to drop and damage the noise meter body, through the spring of a spring and second spring effect, thereby the noise meter body is protected through the elasticity effect of reducing the noise meter body that drops, thereby, the life-time of use of the shock meter is prolonged.

However, the digital noise meter lacks a supporting frame structure, so that a user often needs to additionally carry supporting frame equipment, the carrying is troublesome and the noise is easy to miss, and when the digital noise meter is used for outdoor noise collection, the digital noise meter sometimes needs to be placed on the ground, and a sensor probe is easy to contact with the ground, so that the receiving effect is easy to influence; therefore, the existing requirements are not met, and a digital noise meter is proposed.

Disclosure of Invention

The utility model aims to provide a digital noise meter, which solves the problems that the digital noise meter provided in the background art lacks a support frame structure, a user often needs to carry support equipment additionally, the carrying is troublesome and is easy to miss, and when the digital noise meter collects noise outdoors, the digital noise meter sometimes needs to be placed on the ground, and a sensor probe is easy to contact with the ground, so that the receiving effect is easy to influence.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a digital noise meter, includes digital noise meter body, digital noise meter body top fixed connection's sensor probe, the sponge ball that the sensor probe upper end cup jointed and digital noise meter body front surface fixed connection's display, digital noise meter body's surface activity is equipped with the link, the spacing groove has all been seted up to the inside both sides of link, and digital noise meter body sliding connection in the inside of spacing groove, digital noise meter body front surface all activity is equipped with the gag lever post that runs through digital noise meter body outside near the both sides of bottom, digital noise meter body rear side's internal activity is equipped with the backup pad.

Preferably, grooves are formed in two sides, close to the bottom end, of the front surface of the digital noise meter body, a spring is fixedly connected to one side of the inner wall of the groove, a movable plate is fixedly connected to one end, away from the inner wall of the groove, of the spring, and one side, away from the spring, of the limiting rod is fixedly connected with one side, away from the spring, of the movable plate.

Preferably, the upper end and the lower end of the inside of the groove are respectively provided with a sliding groove, the upper end and the lower end of the movable plate are respectively connected with the inside of the sliding grooves in a sliding way, and one end of the movable plate penetrates through the groove and is movably arranged on the outer surface of the digital noise meter body.

Preferably, both sides of the connecting frame are equally spaced and provided with a plurality of limiting holes, and one end of the limiting rod positioned at the outer side of the digital noise meter body is inserted into the inside of the limiting holes.

Preferably, the middle of the rear side of the digital noise meter body is close to the upper end and provided with a storage groove, and one end of the supporting plate is hinged to one end inside the storage groove.

Preferably, a handle groove is formed in the bottom end of the connecting frame.

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

according to the digital noise meter, the movable plates on the two sides of the front surface of the digital noise meter body are all poked inwards, so that the movable plates squeeze the springs to shrink and drive the limiting rods to move towards the inside of the grooves, the digital noise meter body is pulled upwards along the limiting grooves at the moment, so that the digital noise meter body is lifted, when the digital noise meter body is adjusted to a proper height, the limit on the movable plates is released, the springs are enabled to contact with pressure and push the limiting rods to move towards the outer side of the digital noise meter body until one end of each limiting rod is inserted into the inside of each limiting hole, the position of each digital noise meter body is limited, the need of carrying support equipment in addition is avoided, and the digital noise meter body is convenient to hold by the handle grooves at the bottom ends of the connecting frames; when the digital noise meter body is required to be placed on the plane for measurement, the supporting plate is rotated out of the storage groove, so that the supporting plate and the digital noise meter body are in a vertical state, and the sensor probe is prevented from contacting the ground to influence the measurement effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a rear elevational view of the entire present utility model;

FIG. 3 is a front cross-sectional view of the entirety of the present utility model;

fig. 4 is a schematic diagram of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a digital noise meter body; 2. a connecting frame; 3. a sensor probe; 4. a sponge ball; 5. a display; 6. a limit groove; 7. a limiting hole; 8. a groove; 9. a spring; 10. a movable plate; 11. a limit rod; 12. a chute; 13. a storage groove; 14. a support plate; 15. a handle groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, an embodiment of the present utility model provides: the utility model provides a digital noise meter, including digital noise meter body 1, digital noise meter body 1 top fixed connection's sensor probe 3, the sponge ball 4 that sensor probe 3 upper end cup jointed and digital noise meter body 1 front surface fixed connection's display 5, digital noise meter body 1's surface activity is equipped with link 2, limit groove 6 has all been seted up to the inside both sides of link 2, and digital noise meter body 1 sliding connection is in the inside of limit groove 6, digital noise meter body 1 front surface is close to the both sides of bottom and all moves about and is equipped with the gag lever post 11 that runs through digital noise meter body 1 outside, digital noise meter body 1 rear side's inside activity is equipped with backup pad 14, handle groove 15 has been seted up to the bottom of link 2, through the handle groove 15 of link 2 bottom, it is convenient handheld.

The both sides that digital noise meter body 1 front surface is close to the bottom all are seted up flutedly 8, one side fixedly connected with spring 9 of recess 8 inner wall, one end fixedly connected with fly leaf 10 of recess 8 inner wall is kept away from to spring 9, one side and the fly leaf 10 of gag lever post 11 keep away from one side fixedly connected with of spring 9, spout 12 has all been seted up at the upper and lower both ends of recess 8 inside, the inside of spout 12 is slided respectively at the upper and lower both ends of fly leaf 10, and the one end of fly leaf 10 runs through the recess 8 activity and locates the surface of digital noise meter body 1, a plurality of spacing hole 7 has been seted up to the equal distance in both sides of link 2, the one end that gag lever post 11 is located the digital noise meter body 1 outside is pegged graft in the inside of spacing hole 7.

Through stirring the fly leaf 10 of digital noise meter body 1 front surface both sides inwards for fly leaf 10 extrudees spring 9 shrink, and drive gag lever post 11 and remove towards recess 8's inside, pull digital noise meter body 1 upwards along spacing groove 6 this moment, thereby make digital noise meter body 1 rise, when adjusting to suitable height, loosen the restriction to fly leaf 10, make spring 9 contact pressure and promote gag lever post 11 to remove towards digital noise meter body 1's outside, until the inside of peg graft to spacing hole 7 of one end of gag lever post 11, thereby limit the position of digital noise meter body 1, avoided carrying support equipment in addition.

The middle of digital noise meter body 1 rear side is close to the upper end and has seted up accomodates groove 13, and the one end of backup pad 14 articulates in accomodating the inside one end of groove 13, through rotating backup pad 14 out from accomodating the inside of groove 13, makes to be the vertical state between backup pad 14 and the digital noise meter body 1 to prevent sensor probe 3 contact ground influence measuring effect.

The movable plates 10 on two sides of the front surface of the digital noise meter body 1 are all stirred inwards, so that the movable plates 10 squeeze the springs 9 to shrink and drive the limiting rods 11 to move towards the inside of the grooves 8, the digital noise meter body 1 is pulled upwards along the limiting grooves 6 at the moment, so that the digital noise meter body 1 is lifted, when the digital noise meter body is adjusted to a proper height, the limiting on the movable plates 10 is released, the springs 9 are enabled to contact pressure and push the limiting rods 11 to move towards the outer side of the digital noise meter body 1 until one ends of the limiting rods 11 are inserted into the inside of the limiting holes 7, the position of the digital noise meter body 1 is limited, the need of carrying support equipment additionally is avoided, and the digital noise meter body is convenient to hold by the handle grooves 15 at the bottom ends of the connecting frames 2; when the digital noise meter body 1 is required to be placed on a plane for measurement, the supporting plate 14 is rotated out of the storage groove 13, so that the supporting plate 14 and the digital noise meter body 1 are in a vertical state, and the sensor probe 3 is prevented from contacting the ground to influence the measurement effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a digital noise meter, includes digital noise meter body (1), sensor probe (3) of digital noise meter body (1) top fixed connection, sponge ball (4) and digital noise meter body (1) front surface fixed connection's display (5), its characterized in that are cup jointed to sensor probe (3) upper end: the utility model discloses a digital noise meter, including digital noise meter body (1), link (2) are equipped with in the surface activity of digital noise meter body (1), spacing groove (6) have all been seted up to the inside both sides of link (2), and digital noise meter body (1) sliding connection is in the inside of spacing groove (6), the both sides that digital noise meter body (1) front surface is close to the bottom all activity are equipped with gag lever post (11) that run through digital noise meter body (1) outside, the inside activity of digital noise meter body (1) rear side is equipped with backup pad (14).

2. A digital noise meter according to claim 1, wherein: the digital noise meter is characterized in that grooves (8) are formed in two sides, close to the bottom end, of the front surface of the digital noise meter body (1), springs (9) are fixedly connected to one sides of the inner walls of the grooves (8), movable plates (10) are fixedly connected to one ends, far away from the inner walls of the grooves (8), of the springs (9), and one sides, far away from the springs (9), of the limiting rods (11) are fixedly connected with one sides, far away from the movable plates (10), of the movable plates.

3. A digital noise meter according to claim 2, wherein: the upper end and the lower end of the inside of the groove (8) are respectively provided with a sliding groove (12), the upper end and the lower end of the movable plate (10) are respectively connected in the sliding grooves (12) in a sliding way, and one end of the movable plate (10) penetrates through the groove (8) and is movably arranged on the outer surface of the digital noise meter body (1).

4. A digital noise meter according to claim 1, wherein: both sides of link (2) all equidistance leave and are equipped with a plurality of spacing hole (7), the one end that gag lever post (11) are located digital noise meter body (1) outside is pegged graft in the inside of spacing hole (7).

5. A digital noise meter according to claim 1, wherein: the middle of the rear side of the digital noise meter body (1) is close to the upper end, a storage groove (13) is formed in the middle, and one end of the supporting plate (14) is hinged to one end inside the storage groove (13).

6. A digital noise meter according to claim 1, wherein: the bottom of the connecting frame (2) is provided with a handle groove (15).