CN217354647U - Noise reduction device of refrigeration house compressor - Google Patents

Abstract

The utility model discloses a noise reduction device of a freezer compressor, which comprises a freezer compressor, wherein the bottom of the freezer compressor is provided with a bottom plate, the surface of the freezer compressor is fixedly provided with a noise reduction box, the inside of the noise reduction box is uniformly provided with vent holes, the inside of the noise reduction box is provided with noise reduction holes, the noise reduction holes are positioned at two sides of the vent holes, the inside of the noise reduction box is rotatably connected with a reciprocating screw rod, the top of the noise reduction box is fixedly provided with a first motor, the output end of the first motor is fixedly connected with one end of the reciprocating screw rod, the utility model discloses a device which can buffer the noise reduction device through a first spring connected with the bottom of the freezer compressor, prevent the freezer compressor from directly vibrating the ground to cause noise and spread, absorb the sound propagated by the noise reduction holes arranged in the noise reduction box, absorb most of the noise sound wave energy in the noise reduction holes, and absorb the residual sound wave energy in the noise reduction holes through cotton, the purpose of making an uproar falls in the freezer compressor during operation is reached.

Description

Noise reduction device of refrigeration house compressor

Technical Field

The utility model relates to a freezer compressor technical field, concretely relates to device of making an uproar falls in freezer compressor.

Background

The cold storage compressor is the primary equipment in the cold storage system, electric energy is converted into mechanical work through the cold storage compressor, the low-temperature low-pressure gaseous cold storage agent is contracted into high-temperature high-pressure gas, the circulation of the cold storage is ensured, and the cold storage system inputs electric energy through the cold storage compressor, so that heat is discharged from a low-temperature environment to a high-temperature environment.

When the existing refrigeration house compressor works and operates, the refrigeration house compressor can generate vibration and impact with the ground, and because noise sound waves are transmitted and attenuated in the solid, the noise sound waves are transmitted far away, meanwhile, each part in the refrigeration house compressor can generate friction impact mutually during working, the friction impact is transmitted to the outside through air, and the existing refrigeration house compressor is not provided with a noise reduction device to process and reduce the noise.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device of making an uproar falls in freezer compressor, the first spring of connecting bottom the freezer compressor carries out the cushioning effect to it, prevent freezer compressor direct vibration ground from causing the noise and propagating, the inside sound of making an uproar hole of falling of seting up of noise reduction box of rethread absorbs the sound of air propagation, the inside in the hole of making an uproar falls in most energy absorption of noise sound wave, the remaining sound wave energy of falling the downthehole portion of making an uproar absorbs through inhaling the sound cotton, reach the purpose of making an uproar falls to freezer compressor during operation.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model relates to a device of making an uproar falls in freezer compressor, include: the utility model discloses a refrigeration house compressor, the bottom of refrigeration house compressor is provided with the bottom plate, the fixed surface of refrigeration house compressor installs the noise reduction box, the inside of noise reduction box has evenly seted up the ventilation hole, just the inside of noise reduction box has seted up the hole of making an uproar, the both sides in ventilation hole of making an uproar, the inside rotation of noise reduction box is connected with reciprocal lead screw, the top fixed mounting of noise reduction box has first motor, the one end of the reciprocal lead screw of output fixed connection of first motor, the surperficial threaded connection of reciprocal lead screw has the movable plate, one side of movable plate is provided with the flabellum, the inside fixedly connected with rack of noise reduction box, the rack runs through the inside of movable plate.

As a preferred technical scheme of the utility model, the even fixed mounting in freezer compressor's bottom has first spring, the surface of the other end fixed connection bottom plate of first spring, freezer compressor's bottom both ends slide to peg graft and have the montant, the surface of the bottom fixed connection bottom plate of montant carries out cushioning effect to it through the first spring that freezer compressor bottom is connected, and the montant carries out limiting displacement to freezer compressor's position simultaneously.

As the utility model discloses an optimal technical scheme, the transversal big-end-up's of personally submitting trapezoidal structure in the hole of making an uproar falls, the inside in the hole of making an uproar of falling all installs and inhales the sound cotton, is the big-end-up's trapezoidal structure in through falling the downthehole portion of making an uproar, and the noise sound wave is in the inside mutual interference in the hole of making an uproar of falling, falls the inside in the hole of making an uproar with most energy absorption in noise sound wave, and the remaining sound wave energy of the downthehole portion of making an uproar of falling absorbs through inhaling the sound cotton.

As a preferred technical scheme of the utility model, the inside slip of movable plate is pegged graft and is had the slide bar, the inside of the both ends fixed connection noise reduction box of slide bar, just the slide bar is located one side of reciprocal lead screw, rotates through the reciprocal lead screw of first motor drive to reciprocal lead screw drives the movable plate and reciprocates, and the slide bar provides limiting displacement to the removal of movable plate simultaneously.

As a preferred technical scheme of the utility model, one side fixed mounting of flabellum has the axis of rotation, the inside of connecting the movable plate is rotated to the one end of axis of rotation, the inside of movable plate is provided with first gear, the surface of the inside fixed connection axis of rotation of first gear, just the rack is connected in the surface meshing of first gear, reciprocates the in-process through the movable plate, and the first gear and the rack on the inside axis of rotation surface of movable plate mesh and rotate, and the axis of rotation rotates the flabellum that drives the top and rotates.

The utility model discloses the beneficial effect who reaches is: the first spring connected with the bottom of the freezer compressor is used for buffering the freezer compressor, the freezer compressor is prevented from directly vibrating the ground to cause noise and transmitting the noise, the noise reduction holes arranged in the noise reduction box are used for absorbing the sound transmitted by the air, most of the noise sound waves are absorbed in the noise reduction holes, the residual sound wave energy in the noise reduction holes is absorbed through the sound absorption cotton, the purpose of reducing the noise when the freezer compressor works is achieved, and meanwhile, the first motor is used for driving the reciprocating screw rod to rotate, and then the first gear and the rack on the inside axis of rotation surface of movable plate mesh and rotate, and the axis of rotation rotates the flabellum that drives the top and rotates for the inside circulation of air of noise reduction box dispels the heat through the ventilation hole with the heat that the freezer compressor gived off, prevents the outside of noise reduction box installation freezer compressor, reduces freezer compressor radiating effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of a noise reduction device of a refrigeration storage compressor according to a preferred embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 of a noise reduction device of a refrigeration storage compressor according to a preferred embodiment of the present invention;

fig. 3 is a schematic perspective view of a clamping plate and a moving plate of a noise reduction device of a refrigeration storage compressor according to a preferred embodiment of the present invention.

In the figure: 1. a freezer compressor; 2. a base plate; 3. a noise reduction box; 4. a vent hole; 5. a noise reduction hole; 6. a reciprocating screw rod; 7. a first motor; 8. moving the plate; 9. a fan blade; 10. a rack; 11. a first spring; 12. a vertical rod; 13. sound-absorbing cotton; 14. a slide bar; 15. a rotating shaft; 16. a first gear.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is as follows: as shown in fig. 1-3, the utility model relates to a device of making an uproar falls in freezer compressor, include: the refrigerator compressor 1 is provided with a bottom plate 2 at the bottom of the refrigerator compressor 1, noise reduction boxes 3 are fixedly installed on the surface of the refrigerator compressor 1, vent holes 4 are uniformly formed in the noise reduction boxes 3, noise reduction holes 5 are formed in the noise reduction boxes 3, the noise reduction holes 5 are positioned on two sides of the vent holes 4, reciprocating lead screws 6 are rotatably connected in the noise reduction boxes 3, first motors 7 are fixedly installed at the tops of the noise reduction boxes 3, the output ends of the first motors 7 are fixedly connected with one ends of the reciprocating lead screws 6, the surface of each reciprocating lead screw 6 is in threaded connection with a movable plate 8, fan blades 9 are arranged on one side of each movable plate 8, racks 10 are fixedly connected in the noise reduction boxes 3, the racks 10 penetrate through the movable plate 8 and are buffered through first springs 11 connected to the bottom of the refrigerator compressor 1, and noise caused by direct vibration of the refrigerator compressor 1 is prevented from being transmitted, then, the noise reduction holes 5 formed in the noise reduction box 3 absorb the sound transmitted by air, most of the noise sound waves absorb the energy in the noise reduction holes 5, and the residual sound wave energy in the noise reduction holes 5 is absorbed by the sound absorption cotton 13, so that the purpose of reducing the noise of the refrigeration house compressor 1 during working is achieved.

Wherein, the bottom of the even fixed mounting freezer compressor 1 of first spring 11, the other end of the first spring 11 of fixed surface installation of bottom plate 2, the surperficial both sides fixed mounting of base has two montants 12, montant 12 slides the bottom of grafting freezer compressor 1, first spring 11 through connection in freezer compressor 1 bottom buffers the effect to it, montant 12 carries out limiting displacement to freezer compressor 1's position simultaneously, the cross section of making an uproar hole 5 is fallen and is big-end-up's trapezium structure in, inhale the inside of making an uproar hole 5 of falling in the installation of sound cotton 13, through falling the inside big-end-up's trapezium structure in the hole 5 of making an uproar, the noise sound wave is interfering each other in the inside of falling the hole 5 of making an uproar, the inside residual sound wave energy of falling the hole 5 of making an uproar is absorbed through inhaling sound cotton 13.

The inside fixedly connected with slide bar 14 of noise reduction box 3, slide bar 14 slips the inside of grafting movable plate 8, slide bar 14 is located one side of reciprocal lead screw 6, drive reciprocal lead screw 6 through first motor 7 and rotate, thereby reciprocal lead screw 6 drives movable plate 8 and reciprocates, slide bar 14 provides limiting displacement to movable plate 8 simultaneously, one side of axis of rotation 15 fixed mounting flabellum 9, the inside rotation of movable plate 8 is connected the one end of axis of rotation 15, first gear 16 sets up the inside of movable plate 8, the inside of the first gear 16 of fixed surface installation of axis of rotation 15, the surface of first gear 16 is connected in the meshing of rack 10, in the process of reciprocating through movable plate 8, the first gear 16 and the rack 10 on the inside axis of rotation 15 surface of movable plate 8 carry out the meshing rotation, axis of rotation 15 rotates and drives the flabellum 9 on top and rotates.

Specifically, when the utility model is used and the freezer compressor 1 vibrates during operation, the first spring 11 connected with the bottom of the freezer compressor 1 is used for buffering the freezer compressor 1 to prevent the freezer compressor 1 from directly vibrating the ground to cause noise and spread, the noise-reducing holes 5 arranged in the noise-reducing box 3 are used for absorbing the sound propagated by air, the noise-reducing holes 5 are internally in a trapezoidal structure with a small inside and a big outside, the noise waves interfere with each other in the noise-reducing holes 5 to absorb most of the energy of the noise waves into the noise-reducing holes 5, the residual sound wave energy in the noise-reducing holes 5 is absorbed by the sound-absorbing cotton 13 to achieve the purpose of reducing the noise during operation of the freezer compressor 1, meanwhile, the reciprocating screw rod 6 is driven by the first motor 7 to rotate, so that the movable plate 8 on the surface of the reciprocating screw rod 6 moves up and down, and the first gear 16 on the surface of the rotating shaft 15 in the reciprocating screw rod 8 is meshed with the rack 10 to rotate, rotation axis 15 rotates the flabellum 9 that drives the top and rotates for the inside circulation of air of noise reduction box 3 dispels the heat through ventilation hole 4 with the heat that freezer compressor 1 gived off, prevents the outside of 3 installation freezer compressors 1 of noise reduction box, reduces freezer compressor 1 radiating effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a device of making an uproar falls in freezer compressor which characterized in that includes: freezer compressor (1), the bottom of freezer compressor (1) is provided with bottom plate (2), the fixed surface of freezer compressor (1) installs noise reduction box (3), ventilation hole (4) have evenly been seted up to the inside of noise reduction box (3), just noise reduction hole (5) have been seted up to the inside of noise reduction box (3), noise reduction hole (5) are located the both sides in ventilation hole (4), the inside rotation of noise reduction box (3) is connected with reciprocating screw rod (6), the top fixed mounting of noise reduction box (3) has first motor (7), the output end fixed connection of first motor (7) is the one end of reciprocating screw rod (6), the surface threaded connection of reciprocating screw rod (6) has movable plate (8), one side of movable plate (8) is provided with flabellum (9), the inside fixedly connected with rack (10) of noise reduction box (3), the rack (10) penetrates through the moving plate (8).

2. The noise reduction device of the refrigerator compressor according to claim 1, characterized in that the first spring (11) is uniformly and fixedly installed at the bottom of the refrigerator compressor (1), the other end of the first spring (11) is fixedly connected with the surface of the bottom plate (2), the vertical rod (12) is inserted at two ends of the bottom of the refrigerator compressor (1) in a sliding manner, and the bottom of the vertical rod (12) is fixedly connected with the surface of the bottom plate (2).

3. The noise reduction device of the freezer compressor according to claim 1, characterized in that the cross section of the noise reduction hole (5) is in a trapezoid structure with a large inside and a small outside, and the noise absorption cotton (13) is installed inside the noise reduction hole (5).

4. The noise reduction device for the refrigerator compressor according to claim 1, characterized in that a sliding rod (14) is inserted in the moving plate (8) in a sliding manner, two ends of the sliding rod (14) are fixedly connected with the inside of the noise reduction box (3), and the sliding rod (14) is positioned on one side of the reciprocating screw rod (6).

5. The noise reduction device of the refrigerator compressor according to claim 1, wherein a rotating shaft (15) is fixedly installed on one side of the fan blade (9), one end of the rotating shaft (15) is rotatably connected with the inside of the moving plate (8), a first gear (16) is arranged inside the moving plate (8), the inside of the first gear (16) is fixedly connected with the surface of the rotating shaft (15), and the surface of the first gear (16) is meshed with and connected with the rack (10).

Images