CN212962273U

CN212962273U - Screw type water chilling unit

Info

Publication number: CN212962273U
Application number: CN202021469546.9U
Authority: CN
Inventors: 朱朝印; 陈剑钊; 包来仓; 李波; 王建伟; 刘建华; 张一折
Original assignee: ZHENGZHOU NONGDA BIOCHEMICAL PRODUCT CO Ltd
Current assignee: ZHENGZHOU NONGDA BIOCHEMICAL PRODUCT CO Ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-13
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a screw type water chilling unit, which comprises a unit body and a sound insulation cavity, wherein the unit body is arranged in the sound insulation cavity, and the sound insulation cavity is a closed cavity consisting of a bottom plate, four connected sound insulation plates and a top plate; the bottom plate is provided with a clamping groove group for clamping four sound insulation plates, and the top plate is clamped above the four sound insulation plates by utilizing clamping blocks arranged at the lower end of the top plate; the two sides of the upper end of each sound insulation board are respectively provided with mutually vertical dovetail grooves, and the connected dovetail grooves on each two adjacent sound insulation boards are symmetrically distributed along the contact surface of the sound insulation boards; a fixed block which is matched with each two connected dovetail grooves and is used for fixing the upper end part of the sound insulation board is arranged in each two connected dovetail grooves; the length of the dovetail groove is greater than or equal to that of the fixed block; a plurality of support columns are arranged below the bottom plate, and a plurality of air outlet holes are formed in the bottom plate; the sound insulation board is provided with a noise reduction shutter; and a layer of sound absorbing material is arranged on the inner wall of the sound insulation cavity.

Description

Screw type water chilling unit

Technical Field

The utility model relates to a screw cooling water set technical field specifically is a screw cooling water set.

Background

The screw type water chilling unit is a water chilling unit taking various screw compressors as a main machine, mainly comprises elements such as a screw type refrigeration compressor, a condenser, an evaporator, a thermal expansion valve, an oil separator and the like, and is widely applied in the refrigeration industry.

However, the existing screw type water chilling unit still has some defects in the using process, for example, the water chilling unit can generate noise when working, the surrounding environment is influenced, and the water chilling unit is placed in an open place for a long time, so that dust is very easy to push, and the refrigerating effect is influenced. In the prior art, the noise of the equipment is reduced by adding the sound-proof shield, but the sound-proof shield is usually complicated to mount and dismount, the workload of workers is increased, and the heat dissipation of the equipment is usually influenced after the sound-proof shield is mounted; in addition, because the screw compressor continuously generates vibration during working, the integrated water chilling unit has poor vibration reduction effect, and the loosening of bolts of the water chilling unit and equipment failure are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effective noise reduction, do not influence the heat dissipation simultaneously, the convenience is dismantled in the sound insulation equipment fixing, and possesses the screw cooling water set of damping function.

In order to achieve the purpose, the utility model is implemented according to the following technical scheme:

a screw type water chilling unit comprises a unit body and a sound insulation cavity, wherein the unit body is arranged in the sound insulation cavity, and the sound insulation cavity is a closed cavity formed by a bottom plate, four connected sound insulation plates and a top plate; the bottom plate is provided with a clamping groove group for clamping four sound insulation plates, and the top plate is clamped above the four sound insulation plates by utilizing clamping blocks arranged at the lower end of the top plate; the two sides of the upper end of each sound insulation board are respectively provided with mutually vertical dovetail grooves, and the connected dovetail grooves on each two adjacent sound insulation boards are symmetrically distributed along the contact surface of the sound insulation boards; a fixed block which is matched with each two connected dovetail grooves and is used for fixing the upper end part of the sound insulation board is arranged in each two connected dovetail grooves; the length of the dovetail groove is greater than or equal to that of the fixed block; a plurality of support columns are arranged below the bottom plate, and a plurality of air outlet holes are formed in the bottom plate; and the sound insulation board is provided with a noise reduction shutter. And a layer of sound absorbing material is arranged on the inner wall of the sound insulation cavity.

Further, the fixed block up end is provided with the connecting rod, the breach that is used for inlaying the connecting rod that communicates with this side dovetail is seted up to up end one side of acoustic celotex board, the connecting rod other end extends to the sound insulation chamber is outside.

Further, the card slot group comprises a front card slot, a rear card slot, a left card slot and a right card slot; the right end of the front clamping groove extends to the right edge of the sound insulation bottom plate, and the left end of the front clamping groove is abutted to the adjacent left clamping groove; the front end of the left clamping groove extends to the front edge of the sound insulation bottom plate, and the rear end of the left clamping groove is abutted to the adjacent rear clamping groove; the front clamping groove and the rear clamping groove, and the left clamping groove and the right clamping groove are respectively distributed along the center of the sound insulation bottom plate in a central symmetry manner.

Furthermore, the lower end of the support column is connected with a vibration reduction cavity, and the vibration reduction cavity comprises an upper fixing plate and a lower fixing plate which are connected to the lower end of the support column; four limit telescopic rods are fixedly connected between four corners corresponding to the upper fixing plate and the lower fixing plate; and a plurality of vibration reduction mechanisms are arranged between the upper fixing plate and the lower fixing plate.

Furthermore, the damping mechanism is a plurality of first damping springs, one end of each first damping spring is fixedly connected with the lower portion of the upper fixing plate, and the other end of each first damping spring is fixed above the lower fixing plate.

Furthermore, the limiting telescopic rods respectively comprise a lower support sleeve and an upper support rod sleeved in the lower support sleeve; two limiting blocks are arranged on two sides of the lower part of the upper supporting rod, so that the upper supporting rod is prevented from being separated from the lower supporting sleeve; and the bottom of the upper supporting rod is connected with a second damping spring.

Furthermore, at least one fan is fixed on the top plate through a bearing, the fan is connected with the output end of a motor arranged above the top plate, and a motor cover for sound insulation is arranged outside the motor; a plurality of heat dissipation holes are formed in the motor cover.

Furthermore, four corners below the lower fixing plate are provided with universal wheels, and the universal wheels are provided with brake devices.

Compared with the prior art, the utility model has the advantages that: the utility model has the advantages that the sound insulation cavity made of the sound absorption material can well absorb the noise generated by the screw-type water chilling unit, thereby reducing the noise transmission; in addition, the sound insulation cavity is provided with a sound insulation shutter, a heat dissipation hole and a fan, so that air in the sound insulation cavity can flow, the heat of equipment can be dissipated in time, and the heat dissipation efficiency in the sound insulation cover is improved; the sound-proof shield is assembled in a clamping manner, so that the sound-proof shield is simple to mount and dismount, and the working efficiency of workers is improved; and the vibration damper is additionally arranged, so that the vibration generated by the equipment is reduced, and the equipment damage caused by vibration is avoided.

Drawings

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the structure of the clamping groove group of the utility model is schematically shown;

FIG. 3: the structure of the fixing block of the utility model is shown schematically;

FIG. 4: the utility model discloses a top view of the sound insulation cavity;

FIG. 5: the utility model discloses local enlarger

Reference numerals: 1-a top plate; 2-sound insulation cavity; 3-the unit body; 4-a noise reduction shutter; 5-clamping blocks; 6, fixing blocks; 7-motor cover; 8, a motor; 9-a fan; 10-a base plate; 11-upper fixing plate; 12-acoustic panel; 14-limiting telescopic rods; 15-a second damping spring; 17-a first damping spring; 22-lower fixed plate; 23-card slot group; 24-a connecting rod; 25-a dovetail groove; 26-an upper support bar; 27-lower support sleeve; 28-universal wheels; 29-air outlet.

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.

As shown in figures 1-4: a screw type water chilling unit comprises a unit body 3 and a sound insulation cavity 2, wherein the unit body 3 is arranged in the sound insulation cavity 2, and the sound insulation cavity 2 is a closed cavity formed by a bottom plate 10, four sound insulation plates 12 connected end to end and a top plate 1; the bottom plate 10 is provided with a clamping groove group 23 for clamping the four sound insulation plates 12, and the clamping groove group 23 comprises a front clamping groove 231, a rear clamping groove 232, a left clamping groove 233 and a right clamping groove 234; the right end of the front slot 231 extends to the right edge of the bottom plate 10, and the left end of the front slot is abutted to the adjacent left slot 233; the front end of the left clamping groove 233 extends to the front edge of the bottom plate 10, and the rear end of the left clamping groove 233 abuts against the adjacent rear clamping groove 232; the front slot 231 and the rear slot 232, and the left slot 233 and the right slot 234 are respectively distributed along the central portion of the bottom plate 10 in a central symmetry manner. The four sound insulation boards are installed in a mode that the left sound insulation board is clamped in the left clamping groove from bottom to top, and the right sound insulation board is clamped in the right clamping groove from top to bottom; the sound insulation board at the front end is clamped in the front clamping groove from right to left; the sound insulation board at the rear end is clamped in the rear clamping groove from left to right. The card slot may be in the form of a card slot in the prior art, and belongs to the common general knowledge in the field, and will not be described herein. The top plate 1 is clamped above the four sound insulation plates 12 by using a clamping block 5 arranged at the lower end of the top plate.

The two sides of the upper end of each sound insulation board 12 are respectively provided with a dovetail groove 25 which is vertical to each other, and the dovetail grooves 25 connected with each two adjacent sound insulation boards 12 are symmetrically distributed along the contact surface of the sound insulation boards 12; a fixed block 6 which is matched with each two connected dovetail grooves 25 and is used for fixing the upper end part of the sound insulation board 12 is arranged in each two connected dovetail grooves 25; the length of the dovetail groove 25 is more than or equal to that of the fixed block 6; the upper end face of the fixed block 6 is provided with a connecting rod 24, one side of the upper end face of the sound insulation plate 12 is provided with a notch which is communicated with a dovetail groove 25 on the side and is used for embedding the connecting rod 24, and the other end of the connecting rod 24 extends to the outside of the sound insulation cavity 2. After the four sound insulation boards are installed, the fixing block is directly placed into a space formed by two adjacent dovetail grooves, and the connecting rod on the fixing block is embedded in the notch communicated with the dovetail grooves, so that the upper ends of the sound insulation boards can be fixed. And the fixed block can be taken out of the dovetail groove through the connecting rod, so that the dovetail groove is convenient to disassemble.

A plurality of support columns are arranged below the bottom plate 10, and a plurality of air outlet holes 29 are formed in the bottom plate 10; the sound insulation board 12 is provided with a noise reduction shutter 4. At least one fan 9 is fixed on the top plate 1 through a bearing, the fan 9 is connected with the output end of a motor 8 arranged above the top plate 1, and a motor cover 7 for sound insulation is arranged outside the motor 8; the motor cover 7 is provided with a plurality of heat dissipation holes. The sound insulation cavity with the motor cover inner wall all is provided with the one deck sound absorbing material, attract the material to select for use arbitrary one among the prior art. Through setting up the fan, amortization shutter and bottom exhaust vent both can the noise reduction, can strengthen the air flow in the intracavity that gives sound insulation again, prevent to give sound insulation the intracavity high temperature. The motor cover is arranged to reduce noise generated when the fan motor rotates, and the heat dissipation holes are formed to prevent the temperature in the motor cover from being too high.

The lower end of the supporting column is connected with a vibration reduction cavity, and the vibration reduction cavity comprises an upper fixing plate 11 and a lower fixing plate 22 which are connected to the lower end of the supporting column; four limit telescopic rods 14 are fixedly connected between four corners corresponding to the upper fixing plate 11 and the lower fixing plate 22; the limit telescopic rods 114 each comprise a lower support sleeve 27 and an upper support rod 26 sleeved in the lower support sleeve 27; two limiting blocks are arranged on two sides of the lower part of the upper supporting rod 26 to prevent the upper supporting rod 26 from being separated from the lower supporting sleeve 27; a second damper spring 15 is connected to the bottom of the upper support rod 26.

A plurality of vibration reduction mechanisms are disposed between the upper fixing plate 11 and the lower fixing plate 22.

The damping mechanism is a plurality of first damping springs 17, one end of each first damping spring 17 is fixedly connected with the lower portion of the upper fixing plate 11, and the other end of each first damping spring 17 is fixed above the lower fixing plate 22.

The four corners below the lower fixing plate 22 are provided with universal wheels 28, and the universal wheels 28 are provided with brake devices. The unit can be conveniently moved when the device needs to be moved through the universal wheels.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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

1. The utility model provides a screw cooling water set, includes unit body (3), sound insulation chamber (2), its characterized in that: the unit body (3) is arranged in a sound insulation cavity (2), and the sound insulation cavity (2) is a closed cavity formed by a bottom plate (10), four connected sound insulation plates (12) and a top plate (1); the bottom plate (10) is provided with a clamping groove group (23) for clamping four sound insulation plates (12), and the top plate (1) is clamped above the four sound insulation plates (12) by utilizing clamping blocks (5) arranged at the lower end of the top plate; two sides of the upper end of each sound insulation board (12) are respectively provided with a dovetail groove (25) which is vertical to each other, and the connected dovetail grooves (25) on each two adjacent sound insulation boards are symmetrically distributed along the contact surface of the sound insulation boards (12); a fixed block (6) which is matched with each two connected dovetail grooves (25) and is used for fixing the upper end part of the sound insulation board (12) is arranged in each two connected dovetail grooves; the length of the dovetail groove (25) is more than or equal to that of the fixed block (6); a plurality of support columns are arranged below the bottom plate (10), and a plurality of air outlet holes (29) are formed in the bottom plate (10); a noise reduction shutter (4) is arranged on the sound insulation board (12); and a layer of sound absorbing material is arranged on the inner wall of the sound insulation cavity (2).

2. The screw chiller of claim 1 wherein: the sound insulation cavity is characterized in that a connecting rod (24) is arranged on the upper end face of the fixed block (6), a notch communicated with a dovetail groove (25) on one side of the upper end face of the sound insulation plate (12) and used for embedding the connecting rod (24) is formed in one side of the upper end face of the sound insulation plate, and the other end of the connecting rod (24) extends to the outside of the sound insulation cavity (2).

3. The screw chiller of claim 1 wherein: the card slot group (23) comprises a front card slot (231), a rear card slot (232), a left card slot (233) and a right card slot (234); the right end of the front clamping groove (231) extends to the right edge of the bottom plate (10), and the left end of the front clamping groove is abutted to the adjacent left clamping groove (233); the front end of the left clamping groove (233) extends to the front edge of the bottom plate (10), and the rear end of the left clamping groove is abutted to the adjacent rear clamping groove (232); the front clamping groove (231) and the rear clamping groove (232) and the left clamping groove (233) and the right clamping groove (234) are respectively distributed along the central part of the bottom plate (10) in a central symmetry way.

4. The screw chiller of claim 1 wherein: the lower end of the supporting column is connected with a vibration reduction cavity, and the vibration reduction cavity comprises an upper fixing plate (11) and a lower fixing plate (22) which are connected to the lower end of the supporting column; four limit telescopic rods (14) are fixedly connected between four corners corresponding to the upper fixing plate (11) and the lower fixing plate (22); a plurality of vibration reduction mechanisms are arranged between the upper fixing plate (11) and the lower fixing plate (22).

5. The screw chiller of claim 4 wherein: the damping mechanism is a plurality of first damping springs (17), one ends of the first damping springs (17) are fixedly connected with the lower portion of the upper fixing plate (11), and the other ends of the first damping springs are fixed above the lower fixing plate (22).

6. The screw chiller of claim 4 wherein: the limiting telescopic rod (14) comprises a lower supporting sleeve (27) and an upper supporting rod (26) sleeved in the lower supporting sleeve (27); two limiting blocks are arranged on two sides of the lower part of the upper supporting rod (26) to prevent the upper supporting rod (26) from being separated from the lower supporting sleeve (27); and the bottom of the upper supporting rod (26) is connected with a second damping spring (15).

7. The screw chiller of claim 1 wherein: at least one fan (9) is fixed on the top plate (1) through a bearing, the fan (9) is connected with the output end of a motor (8) arranged above the top plate (1), and a motor cover (7) used for sound insulation is arranged outside the motor (8); the motor cover (7) is provided with a plurality of heat dissipation holes.

8. The screw chiller of claim 4 wherein: the four corners below the lower fixing plate (22) are provided with universal wheels (28), and the universal wheels (28) are provided with brake devices.