Noise reduction device of screw type water chilling unit

Abstract

The utility model relates to the technical field of noise reduction devices, in particular to a noise reduction device of a screw type water chilling unit, which comprises a sound insulation component, the screw type water chilling unit is mounted in the sound insulation component, and fixing components are arranged on the left side and the right side of the screw type water chilling unit. A cooling assembly for cooling is mounted on one side of the sound insulation assembly; the cooling assembly comprises a cooling plate, and a cooling pipe of a snakelike structure is fixedly arranged in the cooling plate. The sound insulation assembly comprises a sound insulation cover, sound absorption cotton is fixedly bonded to the interior of the sound insulation cover, a supporting bottom plate is installed below the sound insulation cover through external bolts, a rubber plate is fixedly bonded to the top of the supporting bottom plate, and a semiconductor chilling plate is fixedly arranged at the top of the cold water tank. Water inlet pipes and water outlet pipes are arranged on the left side and the right side of the cold water tank. According to the screw type water chilling unit, the heat generation area of the screw type water chilling unit can be cooled under the action of the cooling assembly.

Description

Technical Field

[0001] This utility model relates to the field of noise reduction devices, and in particular to a noise reduction device for a screw chiller unit. Background Technology

[0002] Screw chiller units are mainly composed of screw refrigeration compressors, condensers, evaporators, thermostatic expansion valves (or throttling valves), oil separators, as well as automatic control components and instruments. These components work together to complete the refrigeration cycle.

[0003] When a screw chiller is working, the vibration of the unit base and connecting pipes will aggravate the transmission of noise. In order to solve the noise problem of screw chillers, a soundproof cover is usually installed on the outside of the screw chiller. The inside of the soundproof cover is filled with sound insulation and sound absorption materials. By absorbing, reflecting and isolating sound waves, the transmission of noise is reduced, significantly improving the working environment and reducing noise pollution.

[0004] As disclosed in the existing technical solution, CN212511906U discloses a low-noise screw chiller unit, including a chiller unit and a unit housing. By setting the unit housing outside the chiller unit, the vibration and noise generated by the pipes and compressor on the chiller unit can be reduced and the noise can be reduced. At the same time, the noise reduction layer reduces the noise generated by the whole chiller unit during operation, thereby preventing high-frequency noise from polluting the environment.

[0005] In actual implementation, the above technical solution completely encloses the unit casing outside the chiller unit. Although this can achieve a good noise reduction effect, the screw chiller unit generates heat when it is working, which will cause the unit casing to be unable to cool down properly. Summary of the Invention

[0006] The purpose of this invention is to provide a noise reduction device for screw chillers, which can cool the heat-generating area of ​​the screw chiller under the action of the cooling components, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a noise reduction device for a screw chiller unit, comprising a sound insulation component, wherein a screw chiller unit is installed inside the sound insulation component, and fixing components are provided on both the left and right sides of the screw chiller unit, and a cooling component for cooling is installed on one side of the sound insulation component.

[0008] The cooling component includes a cooling plate and a cold water tank, and the cooling plate is fixedly provided with a serpentine cooling pipe;

[0009] The sound insulation component includes a sound insulation cover, the inside of which is fixedly bonded with sound-absorbing cotton, and a supporting base plate is installed at the bottom of the sound insulation cover by external bolts. A rubber plate is fixedly bonded to the top of the supporting base plate.

[0010] Preferably, a semiconductor cooling chip is fixedly installed on the top of the cold water tank, and inlet pipes and outlet pipes are provided on both the left and right sides of the cold water tank. Pipe connectors are provided at the ends of the inlet and outlet pipes, and the pipe connectors are fixed on the soundproof cover.

[0011] Preferably, a telescopic tube is connected between the pipe connector and the cooling pipe, and one end of the telescopic tube is fixedly installed on the cooling plate.

[0012] Preferably, an adjusting screw is rotatably mounted in the middle of the cooling plate via a bearing, and the adjusting screw passes through the interior of the soundproof cover and is threadedly connected to the soundproof cover.

[0013] Preferably, the fixing assembly includes a connecting rod fixed below the cooling plate, a guide slider fixedly provided at the bottom of the connecting rod, a clamping plate elastically connected to one side of the connecting rod, and a clamping spring provided between the clamping plate and the connecting rod, with a telescopic rod passing through the inside of the clamping spring.

[0014] Preferably, a guide groove is provided at the connection between the guide slider and the supporting base plate, and the connecting rod slides on the supporting base plate through the guide slider and the guide groove. The front end of the soundproof cover is connected to a door through a hinge.

[0015] Preferably, the screw chiller unit includes a chiller bracket that is tightly attached to the clamping plate. An evaporator is fixedly installed inside the chiller bracket, and a compressor is fixedly installed on the top of the evaporator. A condenser is arranged parallel to one side of the evaporator, and an oil separator is fixedly installed on the top of the condenser.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. Through the cooling components, the cooling plate is in close contact with the screw chiller unit. The cold water in the cold water tank enters the cooling pipe through the inlet pipe and the telescopic pipe. The cooling pipe is in close contact with the screw chiller unit. The heat generated by the screw chiller unit is transferred to the cooling pipe, thereby cooling the area where the screw chiller unit generates heat.

[0018] 2. Through the fixed components, the clamping plate can be moved closer to the screw chiller unit by the adjusting screw to clamp the screw chiller unit and prevent it from swaying left and right when the screw chiller unit is working. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is an overall structural view of the present invention;

[0021] Figure 2 This is a schematic diagram of the screw chiller of this utility model;

[0022] Figure 3 This is a schematic diagram of the sound insulation component of this utility model;

[0023] Figure 4 This is a schematic diagram of the cooling plate of this utility model;

[0024] Figure 5 For the present utility model Figure 2 A magnified view of A in the middle.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Sound insulation components; 101. Sound insulation cover; 102. Sound-absorbing cotton; 103. Guide slide; 104. Rubber sheet; 105. Support base plate; 106. Door; 2. Fixing components; 201. Clamping plate; 202. Clamping spring; 203. Telescopic rod; 204. Connecting rod; 205. Guide slider; 3. Screw chiller unit; 301. Chiller bracket; 302. Evaporator; 303. Compressor; 304. Oil separator; 305. Condenser; 4. Cooling components; 401. Cold water tank; 402. Semiconductor refrigeration chip; 403. Water outlet pipe; 404. Water inlet pipe; 405. Adjusting screw; 406. Cooling plate; 407. Telescopic pipe; 408. Pipe connector; 409. Cooling pipe. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] This utility model provides a technical solution:

[0029] Please see Figures 1 to 4A noise reduction device for a screw chiller unit includes a sound insulation component 1, a screw chiller unit 3 is installed inside the sound insulation component 1, fixing components 2 are provided on both the left and right sides of the screw chiller unit 3, and a cooling component 4 for cooling is installed on one side of the sound insulation component 1.

[0030] Cooling component 4 includes a cooling plate 406 and a cold water tank 401. The cooling plate 406 has a serpentine cooling pipe 409 fixedly installed inside it.

[0031] Preferably, a semiconductor cooling chip 402 is fixedly installed on the top of the cold water tank 401. Water inlet pipes 404 and water outlet pipes 403 are provided on both the left and right sides of the cold water tank 401. Pipe connectors 408 are provided at the ends of the water inlet pipes 404 and water outlet pipes 403. The pipe connectors 408 are fixed to the soundproof cover 101. A telescopic pipe 407 connects the pipe connectors 408 and the cooling pipes 409. One end of the telescopic pipe 407 is fixedly installed on the cooling plate 406. An adjusting screw 405 is rotatably installed in the middle of the cooling plate 406 via a bearing. The adjusting screw 405 passes through the interior of the soundproof cover 101 and is threadedly connected to the soundproof cover 101.

[0032] By adopting the above technical solution, the screw chiller unit 3 is soundproofed by the external sound insulation component 1. When the screw chiller unit 3 is working, the cooling plate 406 is in close contact with the screw chiller unit 3. The inlet pipe 404 and the outlet pipe 403 are connected to the telescopic pipe 407 through the pipe connector 408. The cold water in the cold water tank 401 enters the cooling pipe 409 through the inlet pipe 404 and the telescopic pipe 407. The cooling pipe 409 is in close contact with the screw chiller unit 3. The heat generated by the screw chiller unit 3 is transferred to the cooling pipe 409, and the cooling water in the cooling pipe 409 is heated. The outlet pipe 403 can discharge the heated cooling water into the cold water tank 401. The low-temperature end of the semiconductor cooling chip 402 is in close contact with the cold water tank 401. The cold water tank 401 is a heat-conducting material, and the low-temperature end of the semiconductor cooling chip 402 can cool the water in the cold water tank 401.

[0033] Specifically, such as Figure 3 and Figure 5 As shown, the sound insulation component 1 includes a sound insulation cover 101, with sound-absorbing cotton 102 fixedly bonded inside the sound insulation cover 101, and a support base plate 105 is installed on the bottom of the sound insulation cover 101 by external bolts, and a rubber plate 104 is fixedly bonded to the top of the support base plate 105.

[0034] The fixing component 2 includes a connecting rod 204 fixed below the cooling plate 406. A guide slider 205 is fixedly provided at the bottom of the connecting rod 204. A clamping plate 201 is elastically connected to one side of the connecting rod 204. A clamping spring 202 is provided between the clamping plate 201 and the connecting rod 204. A telescopic rod 203 passes through the inside of the clamping spring 202. A guide groove 103 is provided at the connection between the guide slider 205 and the supporting base plate 105. The connecting rod 204 slides on the supporting base plate 105 through the guide slider 205 and the guide groove 103. The front end of the soundproof cover 101 is connected to the door 106 through a hinge.

[0035] The screw chiller unit 3 includes a chiller bracket 301 that is tightly attached to the clamping plate 201. An evaporator 302 is fixedly installed inside the chiller bracket 301, and a compressor 303 is fixedly installed on the top of the evaporator 302. A condenser 305 is arranged parallel to one side of the evaporator 302, and an oil separator 304 is fixedly installed on the top of the condenser 305.

[0036] By adopting the above technical solution, the door 106 is opened, and the screw chiller unit 3 is placed inside the sound insulation component 1. Rotating the adjusting screw 405 causes the cooling plate 406 to move closer to the screw chiller unit 3. Under the action of the cooling plate 406, the clamping plate 201 slides via the connecting rod 204. Simultaneously, the connecting rod 204 slides within the guide groove 103 via the guide slider 205, guiding the connecting rod 204 until the clamping plate 201 is firmly attached to the chiller bracket 3. After step 01, the telescopic rod 203 and clamping spring 202 can be squeezed inward until the cooling plate 406 is pressed tightly against the screw chiller unit 3. While cooling the screw chiller unit 3, the position of the screw chiller unit 3 can be restricted. The position of the cooling plate 406 can be set on the side close to the compressor 303 and condenser 305. Since the compressor 303 and condenser 305 are the main heat generation areas when the screw chiller unit 3 is working, this can cool the compressor 303 and condenser 305.

[0037] Working principle: With the door 106 opened, the screw chiller unit 3 is placed inside the sound insulation component 1. Rotating the adjusting screw 405 moves the cooling plate 406 closer to the screw chiller unit 3. Under the action of the cooling plate 406, the clamping plate 201 slides via the connecting rod 204. Simultaneously, the connecting rod 204 slides within the guide groove 103 via the guide slider 205, guiding the connecting rod 204 until the clamping plate 201 is pressed against the chiller bracket 301. Then, the telescopic rod 203 and clamping spring 202 are pressed inwards until the cooling plate 406 is firmly pressed against the screw chiller unit 3. This allows for cooling of the screw chiller unit 3 while simultaneously restricting its position. The cooling plate 406 can be positioned closer to the compressor 303 and condenser 305. Since the compressor 303... 03 and condenser 305 are the main heat-generating areas, which can cool the compressor 303 and condenser 305. The screw chiller unit 3 is soundproofed by the external sound insulation component 1. Since the cooling plate 406 is in close contact with the screw chiller unit 3, the inlet pipe 404 and outlet pipe 403 are connected to the expansion pipe 407 through the pipe connector 408. The chilled water in the chilled water tank 401 enters the cooling system through the inlet pipe 404 and expansion pipe 407. Inside pipe 409, cooling pipe 409 is in close contact with screw chiller unit 3. The heat generated by screw chiller unit 3 is transferred to cooling pipe 409, and the cooling water in cooling pipe 409 is heated. The heated cooling water can be discharged into cold water tank 401 through outlet pipe 403. The low-temperature end of semiconductor cooling chip 402 is in close contact with cold water tank 401. Cold water tank 401 is a heat-conducting material. The low-temperature end of semiconductor cooling chip 402 can cool the water in cold water tank 401.

Claims

1. A noise reduction device for a screw chiller unit, comprising a sound insulation component (1), characterized in that: The sound insulation component (1) is equipped with a screw chiller unit (3), and the screw chiller unit (3) is equipped with fixing components (2) on both the left and right sides. A cooling component (4) for cooling is installed on one side of the sound insulation component (1). The cooling component (4) includes a cooling plate (406) and a cold water tank (401), and a serpentine cooling pipe (409) is fixedly installed inside the cooling plate (406); The sound insulation component (1) includes a sound insulation cover (101), the inside of which is fixedly bonded with sound-absorbing cotton (102), and a support base plate (105) is installed on the bottom of the sound insulation cover (101) by external bolts, and a rubber plate (104) is fixedly bonded to the top of the support base plate (105).

2. The noise reduction device for a screw chiller unit according to claim 1, characterized in that: A semiconductor cooling chip (402) is fixedly installed on the top of the cold water tank (401). A water inlet pipe (404) and a water outlet pipe (403) are provided on both the left and right sides of the cold water tank (401). A pipe connector (408) is provided at the end of the water inlet pipe (404) and the water outlet pipe (403). The pipe connector (408) is fixed on the soundproof cover (101).

3. The noise reduction device for a screw chiller unit according to claim 2, characterized in that: A telescopic pipe (407) is connected between the pipe connector (408) and the cooling pipe (409), and one end of the telescopic pipe (407) is fixedly installed on the cooling plate (406).

4. The noise reduction device for a screw chiller unit according to claim 3, characterized in that: The cooling plate (406) has an adjusting screw (405) rotatably mounted in the middle via a bearing, and the adjusting screw (405) passes through the interior of the soundproof cover (101) and is threadedly connected to the soundproof cover (101).

5. The noise reduction device for a screw chiller unit according to claim 4, characterized in that: The fixing component (2) includes a connecting rod (204) fixed below the cooling plate (406). A guide slider (205) is fixedly provided at the bottom of the connecting rod (204). A clamping plate (201) is elastically connected to one side of the connecting rod (204), and a clamping spring (202) is provided between the clamping plate (201) and the connecting rod (204). A telescopic rod (203) passes through the inside of the clamping spring (202).

6. The noise reduction device for a screw chiller unit according to claim 5, characterized in that: The guide slider (205) is provided with a guide groove (103) at the connection between it and the support base plate (105), and the connecting rod (204) slides on the support base plate (105) through the guide slider (205) and the guide groove (103). The front end of the soundproof cover (101) is connected to the door (106) through a hinge.

7. The noise reduction device for a screw chiller unit according to claim 6, characterized in that: The screw chiller unit (3) includes a chiller bracket (301) that is tightly attached to the clamping plate (201). An evaporator (302) is fixedly installed inside the chiller bracket (301), and a compressor (303) is fixedly installed on the top of the evaporator (302). A condenser (305) is arranged parallel to one side of the evaporator (302), and an oil separator (304) is fixedly installed on the top of the condenser (305).

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