A cavitation heat pump with noise reduction

Abstract

This utility model belongs to the field of cavitation heat pump technology, specifically a cavitation heat pump capable of noise reduction. It includes a base, a working motor fixedly connected to the top edge of the base, a rotating shaft fixedly connected to the output end of the working motor, a pump casing mounted on the outer wall of the rotating shaft, and a pump body fixedly connected to one end of the rotating shaft. A cavitation drum, fixedly connected to the inner wall of the pump casing, is sleeved on the outer wall of the pump body. The outer wall of the cavitation drum has cavitation holes, and a protective frame is fixedly connected to the outer wall of the pump body. This utility model, by incorporating a sponge and a connecting plate, absorbs the noise generated by the bursting of cavitation bubbles. Simultaneously, the pump casing vibrates, causing the connecting plate to vibrate synchronously. This transmits energy to a first damping spring via a lifting plate and to a second damping spring via a telescopic plate, thus reducing vibration of the pump casing.

Description

Technical Field

[0001] This utility model belongs to the field of cavitation heat pump technology, specifically a cavitation heat pump that can reduce noise. Background Technology

[0002] Cavitation refers to the process of formation, development, and collapse of gas cavities within a liquid or at the liquid-solid interface when local pressure decreases. When liquid pressure drops to or below its saturated vapor pressure, a large number of cavitation bubbles are generated due to the vigorous vaporization of the liquid. These cavitation bubbles expand and grow with the liquid flow. When the liquid pressure recovers, the cavitation bubbles collapse instantaneously, forming microjet streams and shock waves, generating instantaneous local high temperatures and pressures. The energy released by cavitation can also be utilized to enhance chemical and physical processes, achieving effects such as increased efficiency, energy saving, and reduced consumption.

[0003] A search revealed that patent CN218846271U discloses a cavitation heat pump and heating equipment, belonging to the field of heating equipment modification technology. The driving device is a water-cooled motor, including a motor rotor, a water-cooled base, and a winding stator. The motor rotor and winding stator are housed within the water-cooled base, which has a water-cooling cavity along its circumference. The outer surface of the water-cooled base has an outlet B and an inlet B at its upper and lower ends, respectively. The inlet B and outlet B communicate with the water-cooling cavity to form a water cooling channel. The motor rotor's power output end is connected to the rotating shaft. The inlet A and outlet B are connected by a connecting pipe. This invention has the following advantages: simple overall structure, space-saving, high heating efficiency, fast heating speed, immediate use, and all-weather, all-time operation. With water evenly distributed through multiple outlets before entering the cavitation stator, it ensures a better heating effect compared to cavitation heat pumps without a water distributor.

[0004] However, existing cavitation heat pumps generate a lot of noise during use. Summary of the Invention

[0005] The purpose of this invention is to address the aforementioned technical problems by providing a cavitation heat pump that can reduce noise, thus avoiding the problem of excessive noise generated by cavitation heat pumps.

[0006] In view of this, the present invention provides a cavitation heat pump capable of noise reduction, comprising a base, a working motor fixedly connected to the top edge of the base, a rotating shaft fixedly connected to the output end of the working motor, a pump housing mounted on the outer wall of the rotating shaft, a pump body fixedly connected to one end of the rotating shaft, a cavitation drum fixedly connected to the inner wall of the pump housing and fitted onto the outer wall of the pump body, the cavitation drum having cavitation holes formed on its outer wall, a protective frame fixedly connected to the outer wall of the pump body, a sponge fixedly connected to the inner wall of the protective frame, and a sponge fixedly connected to the outer wall of the protective frame. The pump casing is equipped with a protective strip. A shock-absorbing frame is fixedly connected to the top of the base at the bottom of the pump casing. Two sets of equidistant first damping springs are fixedly connected to the inner wall of the shock-absorbing frame. A lifting plate is fixedly connected to the top of the first damping spring. A connecting plate fixedly connected to the bottom of the pump body is attached to the top of the lifting plate. Telescopic plates are attached to both ends of the connecting plate. A second damping spring is fixedly connected to the connection between the shock-absorbing frame and the telescopic plate. A water inlet pipe is fixedly connected to one end of the pump casing, and a water outlet pipe is fixedly connected to the other end of the pump casing.

[0007] Based on the above structure, the bursting of bubbles generated by cavitation will produce noise, which will be absorbed by the sponge. At the same time, the pump casing will vibrate, causing the connecting plate to vibrate synchronously. This will transmit energy to the first damping spring through the lifting plate and to the second damping spring through the telescopic plate, thereby reducing the vibration of the pump casing.

[0008] Preferably, the pump body is spiral-shaped. In this embodiment, this facilitates the rotation of the shaft to drive the pump body to rotate, thus injecting water from the inlet pipe into the outlet pipe.

[0009] Preferably, the cavitation holes are equidistantly distributed along the outer wall of the cavitation drum. In this embodiment, the pump body rotates, causing the water flow to cavitate with the cavitation holes on the outer wall of the cavitation drum. The bursting of the bubbles generated by cavitation produces energy to heat the water flow.

[0010] Preferably, the cross-section of the sponge is "T" shaped, and the sponge is distributed in an equiangular circumferential pattern along the center of the protective frame. In this embodiment, the bursting of bubbles generated by cavitation will produce noise, which is absorbed by the sponge, thereby achieving noise attenuation of the cavitation heat pump.

[0011] Preferably, the protective strip has a semi-circular cross-section and is equidistantly distributed along the outer wall of the protective frame. In this embodiment, this facilitates the protection of the pump casing.

[0012] Preferably, the shock-absorbing frame is provided in two sets, which are located at both ends of the pump casing. In this embodiment, by providing two sets of shock-absorbing frames, it is beneficial to provide comprehensive shock absorption for the pump casing.

[0013] Preferably, the central axis of the first damping spring and the central axis of the second damping spring are perpendicular. In this embodiment, the vibration of the pump casing drives the connecting plate to vibrate synchronously. The vibration of the connecting plate transmits energy to the first damping spring through the lifting plate. At the same time, the vibration of the connecting plate transmits energy to the second damping spring through the telescopic plate, thereby realizing the vibration reduction operation of the pump casing.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model, by setting up a cavitation drum, when the working motor is working, drives the rotating shaft to rotate, thereby driving the pump body to rotate, injecting the water flow in the inlet pipe into the outlet pipe. At the same time, the pump body rotates, causing the water flow to cavitate with the cavitation holes on the outer wall of the cavitation drum. Cavitation causes the bubbles to burst, generating energy to heat the water flow.

[0016] 2. By setting up a sponge and a connecting plate, the bursting of bubbles generated by cavitation produces noise, which is absorbed by the sponge. At the same time, the pump casing will vibrate, causing the connecting plate to vibrate synchronously. Thus, the energy is transmitted to the first damping spring through the lifting plate and to the second damping spring through the telescopic plate, thereby achieving vibration reduction of the pump casing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the pump casing of this utility model;

[0019] Figure 3 This is a cross-sectional structural diagram of the pump casing of this utility model;

[0020] Figure 4 This is a schematic diagram of the connecting plate of this utility model.

[0021] In the diagram: 1. Base; 2. Working motor; 3. Rotating shaft; 4. Pump casing; 5. Pump body; 6. Cavitation drum; 7. Cavitation hole; 8. Protective frame; 9. Sponge; 10. Protective strip; 11. Shock-absorbing frame; 12. First damping spring; 13. Lifting plate; 14. Connecting plate; 15. Telescopic plate; 16. Second damping spring; 17. Inlet pipe; 18. Outlet pipe. Detailed Implementation

[0022] The following is in conjunction with the appendix Figure 1 - Figure 4 The present invention will be described in further detail below.

[0023] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0024] This utility model discloses a cavitation heat pump with noise reduction capability, including a base 1. A working motor 2 is fixedly connected to the top edge of the base 1. A rotating shaft 3 is fixedly connected to the output end of the working motor 2. A pump housing 4 is installed on the outer wall of the rotating shaft 3. A pump body 5 is fixedly connected to one end of the rotating shaft 3. A cavitation drum 6, which is fixedly connected to the inner wall of the pump housing 4, is sleeved on the outer wall of the pump body 5. Cavitation holes 7 are opened on the outer wall of the cavitation drum 6. A protective frame 8 is fixedly connected to the outer wall of the pump body 5. A sponge 9 is fixedly connected to the inner wall of the protective frame 8. A protective strip 10 is fixedly connected to the outer wall of the protective frame 8. A shock-absorbing frame 11 is fixedly connected to the top of the base 1 at the bottom of the shell 4. Two sets of equidistant first damping springs 12 are fixedly connected to the inner wall of the shock-absorbing frame 11. A lifting plate 13 is fixedly connected to the top of the first damping spring 12. A connecting plate 14 fixedly connected to the bottom of the pump body 5 is attached to the top of the lifting plate 13. Telescopic plates 15 are attached to both ends of the connecting plate 14. A second damping spring 16 is fixedly connected to the connection between the shock-absorbing frame 11 and the telescopic plate 15. A water inlet pipe 17 is fixedly connected to one end of the pump shell 4, and a water outlet pipe 18 is fixedly connected to the other end of the pump shell 4.

[0025] Based on the above structure, the bursting of bubbles generated by cavitation will produce noise, which is absorbed by the sponge 9. At the same time, the pump casing 4 will vibrate, causing the connecting plate 14 to vibrate synchronously. This will transmit energy to the first damping spring 12 through the lifting plate 13 and to the second damping spring 16 through the telescopic plate 15, thereby reducing the vibration of the pump casing 4.

[0026] In one embodiment, the pump body 5 has a spiral shape.

[0027] In this embodiment, the rotating shaft 3 rotates, driving the pump body 5 to rotate, injecting the water in the inlet pipe 17 into the outlet pipe 18.

[0028] In one embodiment, the cavitation holes 7 are equidistantly distributed along the outer wall of the cavitation drum 6.

[0029] In this embodiment, the pump body 5 rotates, causing the water flow to cavitate through the cavitation holes 7 on the outer wall of the cavitation drum 6. The bursting of the bubbles generated by cavitation produces energy to heat the water flow.

[0030] In one embodiment, the cross-section of the sponge 9 is "T" shaped, and the sponge 9 is distributed in an equiangular circumference along the center of the protective frame 8.

[0031] In this embodiment, the bursting of bubbles generated by cavitation produces noise, which is absorbed by the sponge 9, thus achieving noise reduction of the cavitation heat pump.

[0032] In one embodiment, the protective strip 10 has a semi-circular cross-section and is equidistantly distributed along the outer wall of the protective frame 8.

[0033] In this embodiment, it is convenient to carry out protective operations on the pump casing 4.

[0034] In one embodiment, two sets of shock-absorbing frames 11 are provided, with the two sets of shock-absorbing frames 11 located at both ends of the pump casing 4.

[0035] In this embodiment, by setting two sets of shock-absorbing frames 11, it is beneficial to achieve comprehensive shock absorption of the pump casing 4.

[0036] In one embodiment, the central axis of the first damping spring 12 and the central axis of the second damping spring 16 are perpendicular.

[0037] In this embodiment, the vibration of the pump casing 4 causes the connecting plate 14 to vibrate synchronously. The vibration of the connecting plate 14 transmits energy to the first damping spring 12 through the lifting plate 13. At the same time, the vibration of the connecting plate 14 transmits energy to the second damping spring 16 through the telescopic plate 15, thereby realizing the vibration reduction operation of the pump casing 4.

[0038] In this embodiment, the cavitation heat pump with noise reduction works as follows: First, when the working motor 2 is working, it drives the rotating shaft 3 to rotate, thereby driving the pump body 5 to rotate, injecting the water flow in the inlet pipe 17 into the outlet pipe 18. At the same time, the rotation of the pump body 5 causes the water flow to cavitate with the cavitation holes 7 on the outer wall of the cavitation drum 6. Cavitation causes the bubbles to burst and generate energy to heat the water flow.

[0039] Then, the bursting of bubbles generated by cavitation produces noise, which is absorbed by the sponge 9. At the same time, the pump casing 4 vibrates, causing the connecting plate 14 to vibrate synchronously. This transmits energy to the first damping spring 12 through the lifting plate 13 and to the second damping spring 16 through the telescopic plate 15, thereby reducing the vibration of the pump casing 4.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A cavitation heat pump capable of noise reduction, characterized in that, The system includes a base (1), a working motor (2) fixedly connected to the top edge of the base (1), a rotating shaft (3) fixedly connected to the output end of the working motor (2), a pump housing (4) installed on the outer wall of the rotating shaft (3), a pump body (5) fixedly connected to one end of the rotating shaft (3), a cavitation drum (6) fixedly connected to the inner wall of the pump housing (4) sleeved on the outer wall of the pump body (5), a cavitation hole (7) opened on the outer wall of the cavitation drum (6), a protective frame (8) fixedly connected to the outer wall of the pump body (5), a sponge (9) fixedly connected to the inner wall of the protective frame (8), a protective strip (10) fixedly connected to the outer wall of the protective frame (8), and a bottom part of the pump housing (4) is provided. A shock-absorbing frame (11) is fixedly connected to the top of the base (1). Two sets of equidistant first damping springs (12) are fixedly connected to the inner wall of the shock-absorbing frame (11). A lifting plate (13) is fixedly connected to the top of the first damping spring (12). A connecting plate (14) fixedly connected to the bottom of the pump body (5) is attached to the top of the lifting plate (13). Telescopic plates (15) are attached to both ends of the connecting plate (14). A second damping spring (16) is fixedly connected to the connection between the shock-absorbing frame (11) and the telescopic plate (15). A water inlet pipe (17) is fixedly connected to one end of the pump housing (4), and a water outlet pipe (18) is fixedly connected to the other end of the pump housing (4).

2. The cavitation heat pump with noise reduction capability according to claim 1, characterized in that: The pump body (5) has a spiral shape.

3. The cavitation heat pump with noise reduction capability according to claim 1, characterized in that: The cavitation holes (7) are equidistantly distributed along the outer wall of the cavitation drum (6).

4. The cavitation heat pump with noise reduction capability according to claim 1, characterized in that: The cross-section of the sponge (9) is "T" shaped, and the sponge (9) is distributed in an equal-angled circumference along the center of the protective frame (8).

5. The cavitation heat pump with noise reduction capability according to claim 1, characterized in that: The protective strip (10) has a semi-circular cross-section and is distributed equidistantly along the outer wall of the protective frame (8).

6. The cavitation heat pump with noise reduction capability according to claim 1, characterized in that: The shock-absorbing frame (11) is provided in two sets, and the two sets of shock-absorbing frames (11) are located at both ends of the pump casing (4).

7. The cavitation heat pump with noise reduction capability according to claim 1, characterized in that: The central axis of the first damping spring (12) is perpendicular to the central axis of the second damping spring (16).

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