CN202444369U

CN202444369U - Motor silencer

Info

Publication number: CN202444369U
Application number: CN2012200515894U
Authority: CN
Inventors: 郭达
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-17
Filing date: 2012-02-17
Publication date: 2012-09-19
Anticipated expiration: 2022-02-17

Abstract

The utility model provides a motor silencer capable of remarkably reducing noises of a motor. The motor silencer comprises a tank body, a tank cover, an exhaust device, and a sound-absorbing device, wherein the tank body can contain the motor, the tank cover covers the tank body in a sealing manner, the exhaust device is arranged in the tank body, and the sound-absorbing device is arranged at the inner bottom of the tank body; each of the side wall of the tank body, the bottom wall of the tank body and the tank cover consists of an inner case plate, a sound-absorbing material and an outer case plate respectively, a hollow cavity is formed between the inner case plate and the outer case plate, the sound-absorbing material is arranged in the cavity, and a plurality of sound-absorbing holes are arranged on the inner case plate of the side wall of the tank body and the inner case plate of the tank cover; an air inlet and an air outlet are arranged on the tank body, and the exhaust device is communicated with the air outlet; and the motor silencer further comprises a temperature controller which is arranged in the tank body and is electrically connected with the motor. The motor silencer disclosed by the utility model has the advantages of convenience to install, remarkable sound-elimination effect, long service life, capability of effectively solving a noise-reducing problem of the motor, and capability of ensuring ventilation and heat-radiation effects of the motor.

Description

A kind of motor muffler

Technical field

The utility model relates to a kind of muffler, specifically is a kind of muffler of effective reduction noise of motor.

Background technology

Motor is the power set that often use in fields such as present commercial production, plant equipment, household electrical appliance; Motor can produce noise and have a large amount of heats to generate in the process of running up; Consider factors such as heat radiation, safe operation, this type motor is in the indoor opened type structure that is generally, so the noise that motor produces is not through intercepting, also not transmitting through just handling; These noises can have a strong impact on, disturb people's operate as normal, life; Therefore harm people's physical and mental health, presses for a kind of muffler that can effectively eliminate motor noise now.

The utility model content

For overcoming the defective of prior art, the purpose of the utility model provides a kind of motor muffler that can dispel the heat and can significantly reduce noise of motor.

The utility model is realized through following technical scheme:

A kind of motor muffler comprises casing, case lid, exhaust apparatus, the sound absorber that can hold motor, and case lid is sealed on above the casing, and exhaust apparatus is located at box house, and sound absorber is arranged on the casing inner bottom part; The sidewall of casing and diapire, case lid are formed by inner hull, sound-absorbing material, Shell Plate, form the cavity of hollow between inner hull, the Shell Plate, inhale SoundMaterial is located in this cavity, on the inner hull of the inner hull of wall box, case lid, is equipped with some sound absorptions hole; On casing, be provided with air admission hole, venthole, exhaust apparatus is connected with venthole.

When temperature is too high in the casing, realize that the protectiveness of motor is cut off the power supply automatically, the utility model comprises that also one is arranged on the temperature controller of box house, temperature controller is electrically connected with motor.

Be better vibration and the noise that reduces motor, exhaust apparatus generation, sound absorber is the sound absorption fibrous material layer that is laid on the casing inner bottom part.

Be the vibration in the reduction motor rotation, thereby reduce the noise that takes place because of vibration, the utility model also comprises the motor cushion blocking, and the motor cushion blocking is arranged on above the sound absorption fibrous material layer.

As technical scheme arranged side by side, a kind of motor muffler comprises casing, case lid, the exhaust apparatus that can hold motor, and case lid is sealed on above the casing, and exhaust apparatus is located at box house; The sidewall of casing and diapire, case lid are formed by inner hull, sound-absorbing material, Shell Plate; Form the cavity of hollow between inner hull, the Shell Plate; Sound-absorbing material is located in this cavity, on the inner hull of the inner hull of wall box and diapire, case lid, is equipped with some sound absorptions hole; Be provided with air admission hole, venthole at casing, exhaust apparatus is connected with venthole.

When temperature is too high in the casing, cut off the power supply automatically for the protectiveness that realizes motor, comprise also that on the basis of technique scheme one is arranged on the temperature controller of box house, temperature controller is electrically connected with motor.

Be the vibration in the minimizing motor rotation, thereby reduce the noise that takes place because of vibration that on the basis of technique scheme, also comprise the motor cushion blocking, the motor cushion blocking is arranged on above the inner hull of casing diapire.

Be to isolate the resonance that produces between casing and the motor, between the inner hull of casing diapire, Shell Plate, be provided with the rubber damping piece.

For conveniently knowing in the casing whether operate as normal of motor, be provided with the machine operation indicator light in the outside of casing, relay indicating light is electrically connected with motor.

For further reducing exhaust noise, the outside of venthole is provided with sound proof housing.

The good effect of the utility model is: easy to manufacture, easy for installation; The noise elimination effect is remarkable; Long service life can effectively solve the noise reduction difficult problem of motor, makes that noise of motor significantly reduces, qualified discharge; And can guarantee ventilation, the radiating effect of motor, can not make motor Yin Wendu rising and influence safety in utilization and useful life; The utility model can select for use material different to manufacture and design according to different types of motor, different suitable environments; This muffler makes the noise qualified discharge of motor; Make people's productive life environment wait until improvement, reduced the dispute that produces because of noise pollution effectively simultaneously, promoted social harmony; So, the utlity model has good social benefit and environmental benefit.

Description of drawings

Fig. 1 is the cut-away diagram of one of the utility model execution mode;

Fig. 2 is two a cut-away diagram of the utility model execution mode.

Embodiment

Like Fig. 1, shown in Figure 2; The utility model integral body is case shape structure; Its execution mode one, execution mode two identical essential features are: the utility model comprises casing 26, case lid 2, the exhaust apparatus 20 that can hold motor; Case lid 2 is sealed on above the casing 26, and exhaust apparatus 20 is located at casing 26 inside; The sidewall 8 of casing 26 and diapire 17, case lid 2 are formed by inner hull 5, sound-absorbing material 3, Shell Plate 1; Form the cavity of hollow between inner hull 5, the Shell Plate 1; Sound-absorbing material 3 is located in this cavity, is equipped with some sound absorptions hole 6 at the inner hull 5 of the sidewall 8 of casing 26, the inner hull 5 of case lid 2; Side at casing 26 is provided with air admission hole 7, venthole 25, and exhaust apparatus 20 is connected with venthole 25.

In addition, on the sidewall of casing 26, be provided with electric wire and advance hole 21 and pore 9, electric wire advances the inlet port of hole 21 for motor lead, exhaust apparatus lead; When motor during as pump motor, pore 9 is the import and export of water inlet pipe, outlet pipe, when motor during as other power; The actuator that pore 9 conducts are connected with motor output shaft or the outlet of driving member; Perhaps,, between case lid 2 and casing 26, also can be provided with rubber strip 4 for strengthening the sound insulation sealing effectiveness directly as the outlet of motor output shaft; Sound-absorbing material 3 can be super glass wool, also other existing suctions SoundMaterial; Inner hull 5, Shell Plate 1 are preferably sound absorption, defening effect timber plate preferably.

Like Fig. 1, shown in 2; Execution mode one, execution mode two different essential features are: execution mode one also comprises a sound absorber 11; Sound absorber 11 can be the sound absorption fibrous material layer, also can be other existing sound absorbers certainly, and the sound absorption fibrous material layer is laid on casing 26 inner bottom parts; Execution mode two no longer adopts sound absorber 11, but on the inner hull 5 of casing 26 diapires 17, also is provided with some sound absorptions hole 6.These two kinds of technical characterictics can both reach the good technique effect that reduces noise.

Like Fig. 1, shown in Figure 2, exhaust apparatus 20 is made up of electric exhaust fan 19, flexible pipe 23, and flexible pipe 23 1 ends are connected with the outlet of electric exhaust fan 19; The other end is connected with venthole 25, and the effect of exhaust apparatus 20 is: inserted in the casing 26 because of motor 18 on the one hand, heat-dissipating space is sealing; Need exhaust apparatus 20 in casing 26, to form negative pressure; Exchange through inside and outside air, the heat that motor 18 work are produced takes to outside the casing 26, to reach the purpose of heat radiation; On the other hand, owing to form negative pressure, stoped noise outwards to be propagated to a certain extent, and flexible pipe 23 have certain noise elimination function again.

Like Fig. 1, shown in Figure 2, the utility model comprises that also one is arranged on casing 26 temperature inside controllers 10, and temperature controller 10 is electrically connected with motor 18.The effect of temperature controller 10 is: in the time of preventing that electric exhaust fan 19 from breaking down, can't realize inside and outside air exchange, cause motor 18 ambient temperatures too high, and burn out the phenomenon generation of motor 18.In case electric exhaust fan 19 quits work, when air themperature rises to set point in the casing 26, temperature controller 10 meeting automatic cut-off motor power supplys, thus protection motor 18 is not burnt out.

Like Fig. 1, shown in Figure 2, the utility model also comprises two motor cushion blockings 16, and motor cushion blocking 16 can be rubber blanket 16, and above the rubber blanket 16, among Fig. 1, rubber blanket 16 is arranged on above the sound absorption fibrous material layer 11 at this for 18 in motor.Among Fig. 2, rubber blanket 16 is arranged on above the inner hull 5 of casing 26 diapires 17.

Like Fig. 1, shown in 2, be provided with machine operation indicator light 22 in casing 26 outsides, relay indicating light 22 is electrically connected with motor 18; The working condition that can effectively show motor 18 in the casing 26, when promptly motor 18 normally moved, relay indicating light was bright; When motor 18 quit work, relay indicating light 22 extinguished.

Like Fig. 1, shown in Figure 2, between the inner hull 5 of the diapire 17 of casing 26, Shell Plate 1, be provided with rubber damping piece 12, play a part vibration damping and vibration isolation, reduce vibration noise.

Like Fig. 1, shown in Figure 2, four legs 13 are installed below casing 26 bottoms, each leg 13 is being fixed spring shim 15 and rubber sheet gasket 14 respectively, plays integral vibration damping vibration isolation effect.

Like Fig. 1, shown in Figure 2, the outside of venthole 25 is equipped with sound proof housing 24, and sound proof housing 24 is a prior art, its outer face sealing, and sidewall has little venthole, to play the effect of cushion gas flow velocity, reduction noise.

The operation principle of the utility model is: sound absorption, the sound insulation effect of the noise process casing 26 that produces during motor 18 work, the sound absorption hole 6 of case lid 2, inner hull 5, sound-absorbing material 3, Shell Plate 1, sound absorption fibrous material layer 11; And effect such as sound insulation of rubber blanket 16, rubber damping piece 12, leg 13, vibration damping, vibration isolation; The acoustic energy consumption that motor is produced is inner at muffler, to reach remarkable reduction noise, to reduce the purpose of vibrating; Outside air gets in the casing 26 through air admission hole 7, outside venthole 25 is discharged to casing 26, realizes the continuous exchange of casing 26 inside and outside air, to reach the purpose of taking away heat, heat radiation, guarantee motor safety through exhaust apparatus 20.

Claims

1. motor muffler; It is characterized in that: comprise casing (26), case lid (2), exhaust apparatus (20), the sound absorber (11) that can hold motor (18); Case lid (2) is sealed on above the casing (26); Exhaust apparatus (20) is located at casing (26) inside, and sound absorber (11) is arranged on casing (26) inner bottom part; The sidewall (8) of casing (26) and diapire (17), case lid (2) are formed by inner hull (5), sound-absorbing material (3), Shell Plate (1); Form the cavity of hollow between inner hull (5), the Shell Plate (1); Sound-absorbing material (3) is located in this cavity, on the inner hull (5) of the inner hull (5) of the sidewall (8) of casing (26), case lid (2), is equipped with some sound absorptions hole (6); On casing (26), be provided with air admission hole (7), venthole (25), exhaust apparatus (20) is connected with venthole (25).

2. motor muffler according to claim 1 is characterized in that: comprise that also one is arranged on casing (26) temperature inside controller (10), temperature controller (10) is electrically connected with motor (18).

3. motor muffler according to claim 1 is characterized in that: sound absorber (11) is for being laid on the sound absorption fibrous material layer of casing (26) inner bottom part.

4. motor muffler according to claim 3 is characterized in that: also comprise motor cushion blocking (16), motor cushion blocking (16) is arranged on above the sound absorption fibrous material layer.

5. motor muffler, it is characterized in that: comprise casing (26), case lid (2), the exhaust apparatus (20) that can hold motor, case lid (2) is sealed on above the casing (26), and exhaust apparatus (20) is located at casing (26) inside; The sidewall (8) of casing (26) and diapire (17), case lid (2) are formed by inner hull (5), sound-absorbing material (3), Shell Plate (1); Form the cavity of hollow between inner hull (5), the Shell Plate (1); Sound-absorbing material (3) is located in this cavity, on the inner hull (5) of the inner hull (5) of casing (26) sidewall (8) and diapire (17), case lid (2), is equipped with some sound absorptions hole (6); On casing (26), be provided with air admission hole (7), venthole (25), exhaust apparatus (20) is connected with venthole (25).

6. motor muffler according to claim 5 is characterized in that: comprise that also one is arranged on casing (26) temperature inside controller (10), temperature controller (10) is electrically connected with motor (18).

7. motor muffler according to claim 5 is characterized in that: also comprise motor cushion blocking (16), motor cushion blocking (16) is arranged on above the inner hull (5) of casing (26) diapire (17).

8. according to each described motor muffler of claim 1 to 7, it is characterized in that: between the inner hull (5) of casing (26) diapire (17), Shell Plate (1), be provided with rubber damping piece (12).

9. according to each described motor muffler of claim 1 to 7, it is characterized in that: be provided with machine operation indicator light (22) in casing (26) outside, said relay indicating light (22) is electrically connected with motor (18).

10. according to each described motor muffler of claim 1 to 7, it is characterized in that: the outside of venthole (25) is provided with sound proof housing (24).