Economizer noise reduction structure of air source heat pump machine

Abstract

The utility model relates to an economizer noise reduction structure of an air source heat pump, which comprises a shell, a chassis, a low temperature air source heat pump system and a noise reduction device, the noise reduction device comprises a rubber supporting seat and a noise reduction shell, the lower part of the rubber supporting seat is fixed on the chassis, the upper part of the rubber supporting seat is exposed out of the chassis, and the noise reduction shell is fixed on the chassis. A notch is formed in one side wall of the noise reduction shell, a first connecting port and a second connecting port are formed in the other side wall of the noise reduction shell, and supporting legs are arranged at the bottom of the noise reduction shell; the noise reduction shell is arranged on the chassis; the supporting legs are connected with the upper part of the rubber supporting seat; the rubber supporting seat is fixed on the chassis, and the good elastic characteristic of the rubber supporting seat is utilized to buffer and isolate vibration of the economizer, so that vibration energy transmitted to other parts or an external environment is reduced, the stability of equipment is improved, and the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to an economizer noise reduction structure of air source heat pump machine. BACKGROUND

[0002] In recent years, with the wide application of air source heat pump machine in the field of heating, refrigeration and hot water supply, its high efficiency and energy saving advantage gradually appears. However, due to the compact structure of the equipment, the key components such as compressor, four-way reversing valve, condenser, economizer, expansion valve and evaporator are often densely arranged, especially in the system working in low temperature environment, the vibration and airflow noise generated by the economizer in the process of adjusting heat transfer have become the difficulty of overall noise control. SUMMARY

[0003] The utility model discloses an economizer noise reduction structure of air source heat pump machine, which can significantly reduce the noise of the economizer.

[0004] The utility model discloses an economizer noise reduction structure of air source heat pump machine, which can significantly reduce the noise of the economizer.

[0005] An economizer noise reduction structure of air source heat pump machine, comprising a shell, a chassis, a low-temperature air source heat pump system and a noise reduction device, the low-temperature air source heat pump system comprising a compressor, a four-way reversing valve, a condenser, an economizer, an expansion valve and an evaporator, the shell and the chassis being assembled, an installation area being formed between the inner cavity of the shell and the chassis, the compressor, the four-way reversing valve, the condenser and the expansion valve being arranged on the chassis and located in the installation space.

[0006] The noise reduction device comprises a rubber support seat and a noise reduction shell, the lower part of the rubber support seat being fixed on the chassis, the upper part of the rubber support seat being exposed outside the chassis, one side wall of the noise reduction shell being provided with a gap, the other side wall of the noise reduction shell being provided with a first connecting port and a second connecting port, and the bottom of the noise reduction shell being provided with a supporting leg.

[0007] The noise reduction shell is seated on the chassis, and the supporting leg is connected to the upper part of the rubber support seat.

[0008] The outer wall of the economizer is provided with a first connecting column and a second connecting column, the economizer passes through the gap and enters the noise reduction shell, the first connecting column passes through the first connecting port and locks the noise reduction shell, and the second connecting column passes through the second connecting port and locks the noise reduction shell.

[0009] The rubber support seat is fixed on the chassis, and its good elastic properties can buffer and isolate the vibration of the economizer, reduce the transmission of vibration energy to other components or the external environment, and improve the stability and service life of the equipment.

[0010] The mounting area formed after the shell and the chassis are assembled reasonably utilizes space, the economizer enters the noise reduction shell through the gap, and is firmly locked by the connecting column and the noise reduction shell, which not only ensures the compactness of the internal structure, but also simplifies the assembly process and improves the production efficiency.

[0011] The noise reduction structure effectively solves the problems of large noise and vibration transmission of the economizer in the existing design while ensuring efficient operation of the low-temperature air source heat pump system, and improves the overall working environment and user experience of the system.

[0012] The purpose of the utility model can also be solved by the following technical measures:

[0013] Further, the bottom disc is provided with a lower through hole, and the supporting leg is provided with an upper through hole;

[0014] The diameters of the rubber support seats are greater than the diameters of the upper and lower through holes, the rubber support seat is provided with a bolt channel along the height direction thereof, the upper part of the rubber support seat is provided with a clamping ring groove along the circumferential direction thereof, and the rubber support seat above the clamping ring groove forms an insertion part;

[0015] The rubber support seat is seated on the bottom disc, and the lower through hole and the bolt channel are in communication;

[0016] The insertion part of the rubber support seat passes through the upper through hole of the supporting leg, the upper through hole is clamped in the clamping ring groove, and the rubber support seat and the noise reduction shell are connected;

[0017] The tail part of the bolt passes through the lower bolt hole and the bolt channel and extends out of the upper through hole to connect the nut, and the noise reduction shell, the rubber support seat and the bottom disc are locked.

[0018] Further, the bottom disc is provided with a lower through hole, and the supporting leg is provided with an upper through hole;

[0019] The lower through hole is formed in the bottom disc, and the upper through hole is formed in the supporting leg, so that the bolt can smoothly pass through and effectively connect the components.

[0020] The cooperation of the bolt and the nut fixes the noise reduction shell, the rubber support seat and the bottom disc to form an integral locking structure, thereby improving the firmness and vibration resistance of the device and reducing noise leakage caused by looseness.

[0021] The diameters of the rubber support seats are greater than the diameters of the upper and lower through holes, which ensures that they will not loosen due to the difference in hole diameters during installation and enhances the installation stability.

[0022] The rubber support seat is provided with a bolt channel in the height direction, facilitating the insertion and fixation of the bolt; a clamping ring groove is formed in the upper part in the circumferential direction, and an insertion part is formed, so that the rubber support seat can be tightly combined with the noise reduction shell through the insertion and clamping modes, thereby achieving excellent vibration isolation and noise reduction effects.

[0023] After the bolt tail passes through the lower bolt hole and the bolt channel, the upper through hole is connected with the nut, so that the noise reduction shell, the rubber support seat and the chassis are firmly locked together, effectively inhibiting the transmission of vibration generated during operation.

[0024] The diameter of the locking nut is greater than the diameter of the first connecting port and the second connecting port, and is matched with the threaded first connecting column and the second connecting column, so that the economizer and the noise reduction shell are reliably locked, preventing noise leakage caused by relative movement of the components.

[0025] Further, soundproof cotton is arranged between the economizer and the noise reduction shell.

[0026] The arrangement of soundproof cotton between the economizer and the noise reduction shell can absorb the noise generated during the operation of the economizer, further reducing the outward propagation of noise.

[0027] Further, the outer wall of the noise reduction shell is provided with soundproof cotton.

[0028] The arrangement of soundproof cotton on the outer wall of the noise reduction shell can enhance the absorption and isolation of noise by the shell, making the overall noise reduction effect more significant, and improving the working environment of the equipment.

[0029] The beneficial effects of the utility model are as follows:

[0030] The utility model discloses a rubber support seat and the design of the combination of the noise reduction shell, and the rubber support seat is fixed on the chassis, and the elastic property can effectively buffer the vibration generated during the operation of the economizer, prevents the transmission of vibration energy to other components or external environment.

[0031] The utility model discloses a noise reduction shell through the notch of one side makes the economizer enter the inside, then utilizes the first connecting port and the second connecting port of the shell other side, with the first connecting column and the second connecting column of the outer wall of the economizer carries out the thread locking, ensures that the economizer and the noise reduction shell form the firm fixed overall structure between, avoids the additional noise of the relative movement between components.

[0032] The utility model discloses soundproof cotton between the economizer and the noise reduction shell can absorb the noise generated during the operation of the economizer, blocks the propagation of noise, and soundproof cotton is also arranged on the outer wall of the noise reduction shell, further improving the overall sound absorption effect, and ensuring that the purpose of noise reduction is finally achieved. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 Schematic view of the economizer noise reduction structure of the air source heat pump machine.

[0034] Figure 2 Schematic view of the economizer noise reduction structure of the air source heat pump machine (part of the shell is omitted).

[0035] Figure 3 Schematic view of the chassis and the noise reduction device combination.

[0036] Figure 4 Schematic view of the chassis and the noise reduction device combination from another angle.

[0037] Figure 5 Sectional view of the chassis and the noise reduction device combination.

[0038] Figure 6 Assembly view of the chassis and the noise reduction device combination.

[0039] Figure 7 Assembly view of the chassis and the noise reduction device combination from another angle. DETAILED DESCRIPTION

[0040] The utility model will be further described in connection with the drawings and embodiments:

[0041] Embodiment, in combination Figures 1 to 7 As shown in the figure, an economizer noise reduction structure of an air source heat pump machine comprises a shell 1, a chassis 2, a low-temperature air source heat pump system, and a noise reduction device. The low-temperature air source heat pump system comprises a compressor, a four-way reversing valve, a condenser, an economizer 5, an expansion valve, and an evaporator. The shell 1 and the chassis 2 are assembled. An installation area is formed between the inner cavity of the shell 1 and the chassis 2. The compressor, the four-way reversing valve, the condenser, and the expansion valve are all arranged on the chassis 2 and located in the installation space.

[0042] The noise reduction device comprises a rubber support seat 3 and a noise reduction shell 4. The lower part of the rubber support seat 3 is fixed on the chassis 2. The upper part of the rubber support seat 3 is exposed outside the chassis 2. One side wall of the noise reduction shell 4 is provided with a gap 41. The other side wall of the noise reduction shell 4 is provided with a first connecting port 42 and a second connecting port 43. The bottom of the noise reduction shell 4 is provided with a support foot 44.

[0043] The noise reduction shell 4 is seated on the chassis 2. The support foot 44 is connected to the upper part of the rubber support seat 3.

[0044] The outer wall of the economizer 5 is provided with a first connecting column 51 and a second connecting column 52. The economizer 5 enters the noise reduction shell 4 through the gap 41. The first connecting column 51 passes through the first connecting port 42 and locks the noise reduction shell 4. The second connecting column 52 passes through the second connecting port 43 and locks the noise reduction shell 4.

[0045] Further, the bottom plate 2 is provided with a lower through hole 21, and the supporting leg 44 is provided with an upper through hole 441; a bolt and a nut are further included;

[0046] The diameter of the rubber support seat 3 is greater than that of the upper through hole 441 and the lower through hole 21, the rubber support seat 3 is provided with a bolt channel 33 along its height direction, the upper part of the rubber support seat 3 is provided with a clamping ring groove 31 along its circumferential direction, and the rubber support seat 3 above the clamping ring groove 31 forms an insertion part 32;

[0047] The rubber support seat 3 is seated on the bottom plate 2, and the lower through hole 21 and the bolt channel 33 are in communication;

[0048] The insertion part 32 of the rubber support seat 3 passes through the upper through hole 441 of the supporting leg 44, the upper through hole 441 is clamped in the clamping ring groove 31, and the rubber support seat 3 and the noise reduction shell 4 are connected;

[0049] The tail of the bolt passes through the lower bolt hole and the bolt channel 33 to extend out of the upper through hole 441 to connect the nut, and the noise reduction shell 4, the rubber support seat 3 and the bottom plate 2 are locked.

[0050] Further, a locking nut is further included, the diameter of the locking nut is greater than that of the first connecting port 42 and the second connecting port 43, the first connecting column 51 and the second connecting column 52 are threaded connecting columns, the first connecting column 51 extends out of the first connecting port 42 to connect the locking nut, the second connecting column 52 extends out of the second connecting port 43 to connect the locking nut, and the economizer 5 and the noise reduction shell 4 are locked.

[0051] Further, sound insulation cotton is arranged between the economizer 5 and the noise reduction shell 4.

[0052] Further, sound insulation cotton is arranged on the outer wall of the noise reduction shell 4.

[0053] In the working process of the low-temperature air source heat pump system, first, the compressor compresses the low-temperature refrigerant that has absorbed environmental heat energy from the evaporator, so that the temperature and pressure of the low-temperature refrigerant are increased; then, the high-temperature and high-pressure refrigerant is sent to the condenser through the four-way reversing valve to release heat to the external medium; then, the refrigerant realizes heat exchange optimization through the economizer 5, and then is reduced in pressure and temperature through the expansion valve, and enters the evaporator to absorb heat energy in the low-temperature environment, to complete a closed cycle, so as to realize the heating or cooling function of the equipment.

[0054] By placing the economizer 5 in the noise reduction shell 4, and using the rubber support seat 3 to achieve effective vibration isolation, and then using bolts, nuts, clamping structures and threaded connecting columns and locking nuts to firmly lock the components, preventing vibration from causing loosening and noise leakage, and at the same time setting sound insulation cotton between the economizer 5 and the shell 1 and the outer wall of the shell 1 to absorb and block the spread of noise, thereby significantly reducing the noise generated during the operation of the economizer 5.

Claims

1. An economizer noise reduction structure of an air source heat pump machine, comprising a shell, a chassis, a low-temperature air source heat pump system and a noise reduction device, characterized in that: The low-temperature air source heat pump system comprises a compressor, a four-way reversing valve, a condenser, an economizer, an expansion valve and an evaporator, the shell and the bottom plate are assembled, an installation area is formed between the inner cavity of the shell and the bottom plate, the compressor, the four-way reversing valve, the condenser and the expansion valve are arranged on the bottom plate and located in the installation space; The noise reduction device comprises a rubber support seat and a noise reduction shell, the lower part of the rubber support seat is fixed on the bottom plate, the upper part of the rubber support seat is exposed outside the bottom plate, a notch is formed in one side wall of the noise reduction shell, a first connecting port and a second connecting port are formed in the other side wall of the noise reduction shell, and supporting feet are arranged at the bottom of the noise reduction shell. The noise reduction shell is arranged on the bottom plate, and the supporting feet are connected with the upper part of the rubber support seat. First and second connecting columns are arranged on the outer wall of the economizer, the economizer enters the noise reduction shell through the notch, the first connecting column passes through the first connecting port and locks the noise reduction shell, and the second connecting column passes through the second connecting port and locks the noise reduction shell.

2. The economizer noise reduction structure for an air source heat pump machine according to claim 1, characterized by: Bolts and nuts are further arranged, the bottom plate is provided with a lower through hole, and the supporting feet are provided with an upper through hole. The diameters of the rubber support seats are greater than those of the upper and lower through holes, the rubber support seat is provided with a bolt channel in the height direction thereof, the upper part of the rubber support seat is provided with a clamping ring groove in the circumferential direction thereof, and the rubber support seat above the clamping ring groove forms an insertion part. The rubber support seat is arranged on the bottom plate, and the lower through hole is in communication with the bolt channel. The insertion part of the rubber support seat passes through the upper through hole of the supporting feet, the upper through hole is clamped in the clamping ring groove, and the rubber support seat and the noise reduction shell are connected. The tail part of the bolt passes through the lower bolt hole and the bolt channel and extends out of the upper through hole to connect the nut, and the noise reduction shell, the rubber support seat and the bottom plate are locked.

3. The economizer noise reduction structure for an air source heat pump machine according to claim 1, characterized by: Locking nuts are further arranged, the diameters of the locking nuts are greater than those of the first and second connecting ports, the first and second connecting columns are threaded connecting columns, the first connecting column extends out of the first connecting port to connect the locking nut, the second connecting column extends out of the second connecting port to connect the locking nut, and the economizer and the noise reduction shell are locked.

4. The economizer noise reduction structure for an air source heat pump machine according to claim 1, characterized by: Soundproof cotton is arranged between the economizer and the noise reduction shell.

5. The economizer noise reduction structure for an air source heat pump machine according to claim 1, characterized by: Soundproof cotton is arranged on the outer wall of the noise reduction shell.

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