Commercial refrigerator compressor structure capable of reducing noise

Abstract

The utility model relates to the technical field of refrigerators, in particular to a commercial refrigerator compressor structure capable of reducing noise, which comprises a compressor chamber, a refrigeration component arranged in the compressor chamber, an opening arranged on the outer wall of the compressor chamber close to the refrigeration component, a cover plate mounted at the opening, and a bottom plate mounted at the bottom of the compressor chamber. The surface of one end of the bottom plate is provided with an air inlet, and the surface of the other end is provided with an air outlet. According to the commercial refrigerator compressor structure capable of reducing the noise, the noise is reduced in all directions on the basis that the internal space structure is not changed. Noise generated during operation of the compressor is effectively reduced, and the use experience of a user is remarkably improved. By omitting a compressor chamber shield and using a non-porous cover plate, the forming process of the box shell and the cover plate is simplified, the manufacturing difficulty and the production cost are reduced, sound insulation cotton is installed on the wall face of the compressor chamber box shell, and an air duct inlet and an air duct outlet are formed in a bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerators, in particular to a commercial refrigerator compressor structure capable of reducing noise. Background Art

[0002] In commercial refrigerator products, the compressor room is a key component, which usually integrates an external air-cooled condenser, a dry filter, a compressor and other refrigeration-related components. These components will generate significant noise when they are in operation, especially the rotation of the compressor and fan and the flow of refrigerant in the pipeline. This noise will not only affect the experience of refrigerator users, but may also interfere with the surrounding environment.

[0003] In order to reduce these noises, the industry has tried and adopted a variety of technical means. For example, adding foot pads to the compressor to reduce its direct contact with the base plate, thereby reducing vibration and noise. However, this method is powerless to the noise generated by the collision of internal parts of the compressor. Another common method is to optimize the design of the refrigeration pipeline to reduce the noise when the refrigerant flows. However, this method has limited effect on reducing the overall noise level. In addition, there is also the practice of adding a soundproof cover to the compressor separately. Although this approach can significantly reduce the noise of the compressor, it requires additional structural design and space, which will not only hinder the air flow in the compressor room and affect the heat exchange efficiency, but also increase the manufacturing cost of the product. Utility Model Content

[0004] The purpose of the utility model is to provide a commercial refrigerator compressor structure with reduced noise, so as to solve the problem that the rotation of the compressor and the fan and the flow of the refrigerant in the pipeline mentioned in the above background technology will generate significant noise. Such noise will not only affect the experience of the refrigerator user, but also may cause interference to the surrounding environment.

[0005] To achieve the above-mentioned purpose, the utility model provides a commercial refrigerator compressor structure with reduced noise, including a compressor room, a refrigeration component is arranged inside the compressor room, an opening is arranged on the outer wall of the compressor room close to the refrigeration component, a cover plate is installed at the opening, a base plate is installed at the bottom of the compressor room, an air inlet is arranged on one end surface of the base plate, and an air outlet is arranged on the other end surface, sound insulation cotton is installed on the box shell around the compressor room and the inner wall surface of the cover plate, and the refrigeration system includes a condenser, a condenser fan and a compressor.

[0006] Preferably, the cover plate is fixed to the opening of the compressor chamber by bolts and buckles.

[0007] Preferably, universal wheels are installed at the bottom of the compressor chamber.

[0008] Preferably, an air inlet grille is installed in the air inlet, and an air outlet grille is installed in the air outlet.

[0009] Preferably, the sound insulation cotton consists of three independent pieces, one piece is bonded to the inner wall of the cover plate, and the other two pieces are bonded to the inner wall of the box shell around the compressor room.

[0010] Preferably, the air outlet is arranged away from the condenser fan, and the air inlet is located obliquely below the condenser fan.

[0011] Preferably, the condenser and the compressor are both vertically mounted on the base plate, and gaskets are installed at the bottom of the condenser, condenser fan and compressor near the base plate. The gaskets are made of silicone material, and the condenser and the compressor are located between the air inlet and the air outlet.

[0012] Preferably, a sound-absorbing material layer is provided inside the compressor chamber, and the sound-absorbing material layer covers the space between the refrigeration component and the sound insulation cotton to further absorb and reduce the noise generated when the compressor is running.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the noise-reducing commercial refrigerator compressor structure, by redesigning the air inlet and outlet positions of the compressor room and attaching sound insulation cotton on the inner wall, the utility model realizes all-round noise reduction without changing the internal space structure. This not only effectively reduces the noise generated when the compressor is running, but also significantly improves the user experience. By eliminating the compressor room shield and using a hole-free cover plate, the utility model simplifies the molding process of the box shell and the cover plate, and reduces the manufacturing difficulty and production cost. This not only improves production efficiency, but also helps enterprises maintain competitiveness in the fierce market competition. By installing sound insulation cotton on the wall of the compressor room box shell and setting the air duct inlet and outlet on the bottom plate, the utility model effectively weakens the ability of the compressor room noise to transmit to the surroundings. This design not only has a significant effect on the noise control of the entire compressor room, but also helps to improve the overall acoustic performance of the product. The sound insulation cotton used in the utility model is a common material, and there is no need to design new plastic or metal parts. This not only reduces material costs, but also helps to reduce the development cycle and resource consumption of new products, thereby improving the environmental protection of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the bottom plate of the utility model;

[0018] Figure 4 This is a side view of the structure of the utility model with the cover plate removed.

[0019] The meaning of each number in the figure is:

[0020] 1. Compressor room; 11. Opening; 2. Cover plate; 3. Bottom plate; 31. Air inlet; 311. Air inlet grille; 32. Air outlet; 321. Air outlet grille; 4. Sound insulation cotton; 5. Condenser; 6. Condenser fan; 7. Compressor; 8. Universal wheel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides a commercial refrigerator compressor structure with reduced noise, such as Figure 1-Figure 4 As shown, it includes a compressor room 1, a refrigeration assembly is arranged inside the compressor room 1, an opening 11 is arranged at the outer wall of the compressor room 1 near the refrigeration assembly, a cover plate 2 is installed at the opening 11, a bottom plate 3 is installed at the bottom of the compressor room 1, an air inlet 31 is arranged on one end surface of the bottom plate 3, and an air outlet 32 ​​is arranged on the other end surface, and sound insulation cotton 4 is installed on the inner wall surface of the box shell around the compressor room 1, and the refrigeration system includes a condenser 5, a condenser fan 6 and a compressor 7. The compressor room cover plate with a grille in the original product is replaced with a cover plate 2 without holes, the compressor room shield on the box shell is cancelled, and the back plate of the box shell is directly formed by sheet metal bending. The power line originally led out from the compressor shield can be led out from the opening 11 at the cover plate 2 of the compressor room 1, and the opening 11 needs to be cut-proof. Compared with the traditional compressor room structure, the present invention changes the original compressor room pattern that is open to all sides, reduces the way the compressor room transmits noise to all sides, and can improve the product's indoor use experience to a certain extent.

[0023] In this embodiment, the cover plate 2 is fixed to the opening 11 of the compressor chamber 1 by bolts and clips. The cover plate 2 still retains the commonly used installation method of clips and screws to meet the installation of other components and daily maintenance needs.

[0024] Specifically, universal wheels 8 are installed at the bottom of the compressor chamber 1 to facilitate the movement of the equipment.

[0025] Furthermore, an air inlet grille 311 is installed in the air inlet 31 , and an air outlet grille 321 is installed in the air outlet 32 ​​.

[0026] Furthermore, the sound insulation cotton 4 is composed of three independent pieces, one piece is bonded to the inner wall of the cover plate 2, and the other two pieces are bonded to the inner wall of the compressor room 1. The sound insulation cotton 4 is installed on the thin wall of the single-layer shell near the compressor room (the compressor room cover plate and the original compressor room shield are covered). Since the sound insulation cotton has a rich porous structure, it can absorb the energy of noise sound waves and further reduce the ability of the compressor room noise to transmit to the surrounding environment. The distance between the sound insulation cotton 4 and the blades of the condenser fan 6 and the condenser 5 can effectively prevent it from affecting the rotation of the condenser fan 6 and the normal heat dissipation of the condenser 5. This design can effectively reduce the noise level of the compressor without affecting the normal operation of the equipment.

[0027] Furthermore, the air outlet 32 ​​is arranged away from the condenser fan 6, and the air inlet 31 is located obliquely below the condenser fan 6. Since the grille structure of the compressor room cover and the compressor room shield are eliminated on the box shell, in order to meet the demand for air flow, two ventilation holes (air inlet 31 and air outlet 32) are opened on the bottom plate 3 of the compressor room 1. When the condenser fan 6 of the compressor room 1 rotates, a certain low-pressure area will be formed on the suction side of the condenser fan 6. This low-pressure area attracts external low-temperature air to be sucked into the compressor room 1 through the air inlet 31. The low-temperature air passes through the condenser 5, the condenser fan 6, and the compressor 7 in turn, and is discharged from the air outlet 32 ​​with heat, thereby completing the internal cooling process of the compressor room 1. This design effectively meets the demand for air flow in the compressor room 1. Since the air inlet and outlet are both arranged at the bottom of the compressor room 1 and the single-layer wall surfaces around the compressor room 1 are paved with sound insulation cotton 4, most of the noise can only be transmitted to the ground through the bottom plate 3 of the compressor room 1. A part of the transmitted noise can be absorbed by the ground. Since the bottom plate 3 of the compressor room 1 is almost parallel to the ground, most of the reflected noise will re-enter the compressor room 1. After internal absorption and dissipation, the energy of the noise is further reduced, thereby reducing the impact on the external environment.

[0028] Furthermore, the condenser 5 and the compressor 7 are both vertically mounted on the base plate 3, and gaskets are installed at the bottom of the condenser 5, the condenser fan 6 and the compressor 7 near the base plate 3. The gaskets are made of silicone material, and the condenser 5 and the compressor 7 are located between the air inlet 31 and the air outlet 32.

[0029] Furthermore, a sound-absorbing material layer is provided inside the compressor chamber 1, and the sound-absorbing material layer covers the space between the refrigeration component and the sound insulation cotton 4 to further absorb and reduce the noise generated when the compressor is running.

[0030] The present invention adopts an overall concept to control the noise in the compressor room, and confines the noise generated by all components of the compressor room within a limited space, reducing the cost of controlling a single component. Since the present technology basically does not change the internal structure of the compressor room, after adopting traditional noise reduction methods, the present technology can still be used for further noise reduction. In summary, the present invention is an efficient, practical and environmentally friendly noise reduction measure. Through this solution, the noise level generated during the operation of the equipment will be effectively reduced, and the comfort of the equipment will be improved.

[0031] When the noise-reducing commercial refrigerator compressor structure of the utility model is used, first when the compressor starts to run, the compressor 7, the condenser fan 6 and the flow of the refrigerant in the condenser 5 in the refrigeration system will generate noise. These noises will first be absorbed and weakened by the sound insulation cotton 4 on the inner wall of the compressor chamber 1. The porous structure of the sound insulation cotton 4 can effectively generate friction with the noise sound waves, thereby absorbing its energy and reducing the transmission capacity of the noise.

[0032] At the same time, in order to meet the heat dissipation requirements inside the compressor room 1, the condenser fan 6 will rotate to form a certain low-pressure area, attracting external low-temperature air to enter the compressor room 1 through the air inlet 31. The position of the air inlet 31 is designed to be far away from the condenser fan 6 to ensure the smoothness of air flow. The low-temperature air will pass through the condenser 5, the condenser fan 6 and the compressor 7 in sequence, carry away the heat, and then be discharged through the air outlet 32 ​​far away from the condenser fan 6, completing the internal cooling process of the compressor room 1.

[0033] In this process, since the air inlet and outlet are arranged at the bottom of the compressor room 1 and the surrounding walls are covered with sound insulation cotton 4, most of the noise can only be transmitted to the ground through the bottom plate 3. The ground will absorb part of the noise, and most of the reflected noise will re-enter the compressor room 1. After internal absorption and dissipation, the energy of the noise will be further reduced, thereby reducing the impact on the external environment.

[0034] In addition, in order to further enhance the noise reduction effect, a sound absorbing material layer is also provided inside the compressor chamber 1. This sound absorbing material layer covers the space between the refrigeration component and the sound insulation cotton 4, which can further absorb and reduce the noise generated when the compressor is running.

[0035] Finally, it should be noted that the electronic components of the condenser 5, condenser fan 6 and compressor 7 in this embodiment are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. In the idle part of this device, all the above-mentioned electrical components are connected by wires respectively, and the specific connection means should refer to the working sequence between the electrical components in the above-mentioned working principle to complete the electrical connection, which are all well-known technologies in the art.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A commercial refrigerator compressor structure with reduced noise, comprising a compressor chamber (1), characterized in that: A refrigeration component is arranged inside the compressor room (1); an opening (11) is arranged at the outer wall of the compressor room (1) close to the refrigeration component; a cover plate (2) is installed at the opening (11); a base plate (3) is installed at the bottom of the compressor room (1); an air inlet (31) is arranged on one end surface of the base plate (3); and an air outlet (32) is arranged on the other end surface; sound insulation cotton (4) is installed on the box shell around the compressor room (1) and the inner wall surface of the cover plate (2); and the refrigeration system comprises a condenser (5), a condenser fan (6) and a compressor (7).

2. The noise-reducing commercial refrigerator compressor structure according to claim 1 is characterized in that: The cover plate (2) is fixed to the opening (11) of the compressor chamber (1) by means of bolts and buckles.

3. The noise-reducing commercial refrigerator compressor structure according to claim 1 is characterized in that: A universal wheel (8) is installed at the bottom of the compressor chamber (1).

4. The noise-reducing commercial refrigerator compressor structure according to claim 1 is characterized in that: An air inlet grille (311) is installed in the air inlet (31), and an air outlet grille (321) is installed in the air outlet (32).

5. The noise-reducing commercial refrigerator compressor structure according to claim 1 is characterized in that: The sound insulation cotton (4) is composed of three independent pieces, one of which is bonded to the inner wall of the cover plate (2), and the other two are bonded to the inner wall of the box shell around the compressor room (1).

6. The noise-reducing commercial refrigerator compressor structure according to claim 1, characterized in that: The air outlet (32) is arranged away from the condenser fan (6), and the air inlet (31) is located obliquely below the condenser fan (6).

7. The noise-reducing commercial refrigerator compressor structure according to claim 1, characterized in that: The condenser (5) and the compressor (7) are both vertically mounted on the base plate (3); gaskets are mounted on the bottom of the condenser (5), the condenser fan (6) and the compressor (7) near the base plate (3); the gaskets are made of a silica gel material; and the condenser (5) and the compressor (7) are located between the air inlet (31) and the air outlet (32).

8. The noise-reducing commercial refrigerator compressor structure according to claim 1, characterized in that: A sound-absorbing material layer is provided inside the compressor chamber (1), and the sound-absorbing material layer covers the space between the refrigeration component and the sound insulation cotton (4) to further absorb and reduce the noise generated when the compressor is running.

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