CN209945546U

CN209945546U - Noise source direction recognition device

Info

Publication number: CN209945546U
Application number: CN201920345399.5U
Authority: CN
Inventors: 段宝林; 段凯
Original assignee: Tianjin Kailong Jingye Noise And Vibration Control Technology Co Ltd
Current assignee: Tianjin Kailong Jingye Noise And Vibration Control Technology Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-01-14
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a noise source direction identification device, including steering wheel, noise detector, motor, display, warning light, potentiometre, singlechip and power, warning light, potentiometre and power are established ties and are constituted warning circuit, the noise detector is connected with the singlechip, the singlechip is connected with the motor through drive circuit, the singlechip pin is connected with the potentiometre, the singlechip is connected with the display through the data line; the warning lamp is fixedly installed at the top of the steering wheel. The utility model discloses noise detector handles data synchronization to singlechip and converts analog signal to the display into by the singlechip and carries out the curve chart and show, and in addition, the singlechip is according to the resistance size of data conditioning potentiometre, changes the bright dark degree of warning light, and staff's accessible display and warning light judge which direction is because of the trouble makes a noise, in time checks the maintenance, convenient and fast, and the recognition efficiency is high.

Description

Noise source direction recognition device

Technical Field

The utility model relates to a noise technical field especially relates to a noise source direction recognition device.

Background

Noise is a type of sound that causes irritation or is too loud and harmful to human health. From the viewpoint of environmental protection: all sounds which prevent people from normally having a rest, studying and working and sounds which interfere with sounds to be heard by people belong to noises.

In some mute factories, the sensitivity of the mute factories to noise is high, the sound decibel of the surrounding environment needs to be monitored all the time, abnormal sound (noise) can be generated once the equipment fails, and the monitoring equipment reminds workers of which direction the equipment fails so as to improve the maintenance efficiency. In the prior art, the mode that the circumference of a noise detector is held by a person to rotate continuously is adopted to monitor the environmental noise decibel, and the method is troublesome and has low direction recognition efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing in the background art, and the noise source direction recognition device that proposes.

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

a noise source direction recognition device comprises a steering wheel, a noise detector, a motor, a display, a warning lamp, a potentiometer, a single chip microcomputer and a power supply, wherein the warning lamp, the potentiometer and the power supply are connected in series to form a warning circuit; warning light fixed mounting is at the top of steering wheel, it places the chamber to have seted up one side open-ended in the steering wheel, the steering wheel is at the radio frame of opening part fixedly connected with loudspeaker form, place the fixed centre gripping of two fixture that the chamber set up through the symmetry with the noise detector, the bottom fixedly connected with transmission post of steering wheel, the lower extreme of transmission post is provided with the base, and the base uses the bearing to rotate with the transmission post to be connected, the support that the three circumference of bottom fixedly connected with of base distributes, display fixed mounting is on the base, one side of transmission post is equipped with actuating mechanism.

Preferably, fixture includes and supports the splint of pressing contact with the noise detection appearance, the noise detection appearance's a side lateral wall fixedly connected with body of rod is kept away from to splint, the one end that the splint were kept away from to the body of rod runs through places chamber and fixedly connected with holding rod, the steering wheel is opened be equipped with body of rod clearance fit's pole hole, be located place the intracavity body of rod part cover is equipped with the spring, the both ends of spring respectively with place inner wall, the body of rod fixed connection in chamber.

Preferably, the rod body and the holding rod jointly form a T-shaped structure, and the length of the holding rod is larger than the inner diameter of the rod hole.

Preferably, actuating mechanism include with transmission post interference fit's driven gear, the driven gear meshing has the driving gear, the driving gear sets up with the coaxial fixed of output of motor, the motor mounting groove has been seted up on the base, the motor passes through damper fixed mounting in the motor mounting groove.

Preferably, the damping mechanism is a damping pad made of a rubber material.

Preferably, the motor adopts YDW4-6 outer rotor low-noise three-phase asynchronous motor.

Compared with the prior art, the noise source direction identification device has the advantages that:

1. the clamping plate stably clamps the noise detector by using the elasticity of the spring, so that the noise detector is prevented from being thrown out through the opening due to the centrifugal force generated by rotation, and the use safety of the device is improved;

2. the noise detector transmits data to the single chip microcomputer synchronously, the single chip microcomputer processes the data and converts the data into analog signals to the display to display a curve graph, in addition, the single chip microcomputer adjusts the resistance of the potentiometer according to the data, the brightness degree of the warning lamp is changed, workers can judge which direction generates noise due to faults through the display and the warning lamp, the checking and the maintenance are carried out in time, the convenience and the rapidness are realized, and the identification efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of a noise source direction recognition device according to the present invention;

fig. 2 is a perspective view of a partially overlooked structure of a noise source direction recognition device according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2;

fig. 4 is a flowchart of the operation of the noise source direction recognition device provided by the present invention.

In the figure: 1 steering wheel, 2 placing cavity, 3 radio frame, 4 noise detectors, 5 clamping plates, 6 rod holes, 7 rod bodies, 8 holding rods, 9 springs, 10 bases, 11 supports, 12 transmission columns, 13 driven gears, 14 driving gears, 15 motors, 16 shock pads, 17 displays, 18 warning lamps, 19 potentiometers and 20 single-chip microcomputers.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a noise source direction recognition device comprises a steering wheel 1, a noise detector 4, a motor 15, a display 17, a warning lamp 18, a potentiometer 19, a single chip microcomputer 20 and a power supply, wherein the power supply supplies electric energy to a plurality of components, the power supply can be a mains supply or a storage battery and the like, the warning lamp 18, the potentiometer 19 and the power supply are connected in series to form a warning circuit, the noise detector 4 is connected with the single chip microcomputer 20, the single chip microcomputer 20 is connected with the motor 15 through a driving circuit, a pin of the single chip microcomputer 20 is connected with the potentiometer 19, and the single chip microcomputer 20 is connected with the display 17 through;

18 fixed mounting of warning light is at the top of steering wheel 1, one side open-ended chamber 2 of placing has been seted up in steering wheel 1, steering wheel 1 is at opening part fixedly connected with loudspeaker form radio frame 3, can collect the noise more concentrated here, and avoid the external world to cause the influence to it, place two fixture that chamber 2 set up through the symmetry with the fixed centre gripping of noise detection appearance 4, steering wheel 1's bottom fixedly connected with transmission post 12, the lower extreme of transmission post 12 is provided with base 10, and base 10 uses the bearing to rotate with transmission post 12 and is connected, the support 11 of the three circumference distribution of bottom fixedly connected with of base 10, display 17 fixed mounting is on base 10, one side of transmission post 12 is equipped with actuating mechanism.

The utility model discloses in, fixture includes and supports the splint 5 of pressure contact with noise detector 4, the one side lateral wall fixedly connected with body of rod 7 of noise detector 4 is kept away from to splint 5, the one end that body of rod 7 kept away from splint 5 runs through places chamber 2 and fixedly connected with holding rod 8, steering wheel 1 sets up with body of rod 7 clearance fit's pole hole 6, it is equipped with spring 9 to be located the partial cover of body of rod 7 of placing chamber 2, spring 9's both ends respectively with the inner wall of placing chamber 2, body of rod 7 fixed connection, elasticity through spring 9 makes splint 5 stabilize fixedly to noise detector 4, avoid throwing away through the opening because of its centrifugal force in the circumference rotates.

The utility model discloses in, the body of rod 7 constitutes T type structure jointly with holding rod 8, conveniently grips, and the length of holding rod 8 is greater than the internal diameter of pole hole 6, avoids the body of rod 7 to slide in placing chamber 2 through pole hole 6.

The utility model discloses in, actuating mechanism include with 12 interference fit's of transmission post driven gear 13, driven gear 13 meshes has driving gear 14, driving gear 14 sets up with the coaxial fixed of output of motor 15, has seted up the motor mounting groove on the base 10, and motor 15 passes through damper fixed mounting in the motor mounting groove, and motor 15 passes through driving gear 14 and driven gear 13's meshing and transmits the torque for transmission post 12.

The utility model discloses in, damper is the shock pad 16 that adopts rubber materials to make, weakens the vibration because of motor 15 self work produces through shock pad 16.

The utility model discloses in, motor 15 adopts YDW4-6 external rotor low noise three-phase asynchronous motor, further guarantees that motor 15's normal work can not produce the noise, avoids influencing noise detector 4's monitoring data.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The utility model discloses the following operation of theory of operation accessible specifically realizes:

pulling the T-shaped structure formed by the rod body 7 and the holding rod 8 back to back, compressing the spring 9 to increase the distance between the two clamping plates 5, putting the noise detector 4 into the sound receiving frame 3 through the opening, releasing the holding rod 7, and fixing the noise detector 4 through the elastic force recovered by the spring 9;

the single chip microcomputer 20 controls the starting, stopping, rotating speed and the like of the motor 15 through the driving circuit, the motor 15 transmits torque to the transmission column 12 through the driving gear 14 and the driven gear 13 which are meshed with each other, the noise detector 4 is driven to rotate circularly periodically, noise is transmitted to the noise detector 4 through the sound receiving frame 3, and the noise detector 4 monitors noise decibel values and synchronously transmits data to the single chip microcomputer 20; on the one hand, singlechip 20 handles data and converts analog signal to display 17 and carries out the curve chart and show, on the other hand, singlechip 20 adjusts the resistance size of potentiometre 19 according to data, according to ohm law I ═ U/R, and be inversely proportional according to the resistance and the noise decibel value of potentiometre 19, electric current and noise decibel value in the warning circuit, the bright and dark degree of warning light 18 is directly proportional, noise decibel value is big more, singlechip 20 adjusts the resistance of potentiometre 19 and is smaller, electric current in the warning circuit is big more, warning light 18 is bright more, staff's accessible display 17 and warning light 18 judge which direction sends out the noise because of the trouble, in time arrange the maintenance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A noise source direction recognition device comprises a steering wheel (1), a noise detector (4), a motor (15), a display (17), a warning lamp (18), a potentiometer (19), a single chip microcomputer (20) and a power supply, and is characterized in that the warning lamp (18), the potentiometer (19) and the power supply are connected in series to form a warning circuit, the noise detector (4) is connected with the single chip microcomputer (20), the single chip microcomputer (20) is connected with the motor (15) through a driving circuit, a pin of the single chip microcomputer (20) is connected with the potentiometer (19), and the single chip microcomputer (20) is connected with the display (17) through a data line;

warning light (18) fixed mounting is at the top of steering wheel (1), one side open-ended chamber (2) of placing has been seted up in steering wheel (1), steering wheel (1) is in receipts sound frame (3) of opening part fixedly connected with loudspeaker form, place two fixture that chamber (2) set up through the symmetry with the fixed centre gripping of noise detector (4), the bottom fixedly connected with transmission post (12) of steering wheel (1), the lower extreme of transmission post (12) is provided with base (10), and base (10) use the bearing to rotate with transmission post (12) and be connected, support (11) of the three circumference distribution of bottom fixedly connected with of base (10), display (17) fixed mounting is on base (10), one side of transmission post (12) is equipped with actuating mechanism.

2. A noise source direction recognition device according to claim 1, characterized in that the clamping mechanism includes a clamp plate (5) abutting against the noise detector (4), a rod body (7) is fixedly connected to a side wall of the clamp plate (5) away from the noise detector (4), one end of the rod body (7) away from the clamp plate (5) penetrates through the placing cavity (2) and is fixedly connected with a holding rod (8), a rod hole (6) in clearance fit with the rod body (7) is formed in the steering wheel (1), a spring (9) is partially sleeved on the rod body (7) in the placing cavity (2), and two ends of the spring (9) are respectively fixedly connected with the inner wall of the placing cavity (2) and the rod body (7).

3. A noise source direction recognition device according to claim 2, characterized in that the shaft body (7) and the holding rod (8) together form a T-shaped structure, and the length of the holding rod (8) is larger than the inner diameter of the rod hole (6).

4. The noise source direction recognition device according to claim 1, wherein the driving mechanism includes a driven gear (13) in interference fit with the transmission column (12), the driven gear (13) is engaged with a driving gear (14), the driving gear (14) is coaxially and fixedly disposed with an output end of the motor (15), the base (10) is provided with a motor mounting groove, and the motor (15) is fixedly mounted in the motor mounting groove through a damping mechanism.

5. A noise source direction recognition device according to claim 4, characterized in that the damping mechanism is a damping pad (16) made of rubber material.

6. A noise source direction identification device according to claim 4, characterized in that said motor (15) is YDW4-6 outer rotor low noise three-phase asynchronous motor.