Silent compressor

Abstract

The mute compressor comprises a motor, an air pump and heat dissipation fan blades, the motor is fixedly connected with the air pump, one end of an output shaft of the motor is connected with a connecting rod of the air pump through an eccentric wheel, so that the air pump can be driven to work through the motor, and the other end of the output shaft of the motor is connected with the heat dissipation fan blades. According to the air pump motor, the heat dissipation fan blades with the mute design are arranged, the air plugs with the spiral air grooves are arranged in the air inlet hole and the air outlet hole, the mute shell is arranged, and the expansion type air inlet chamber is arranged, so that the overall noise can be reduced by reducing the mute performance of all the components of the air pump motor.

Description

Technical Field

[0001] The invention relates to the field of silent compressors, and in particular to a silent compressor. Background Art

[0002] Nebulizers are playing an increasingly important role in wards of medical environments and in daily use at home. However, patients and their families have increasing requirements for nebulizers. They expect nebulizers to be quiet when working and not make loud noises that would interfere with rest and treatment effects. With the growing demand for silent nebulizers, silent performance has become an important product selling point.

[0003] The compressor, the core component of the atomizer, needs to work continuously for a long time. In some cases, it may work for several hours or even longer every day. This requires the compressor to have extremely high durability. Only in this way can it be ensured that the atomizer will not frequently fail during long-term use. In this way, it can reduce the cost of use and the maintenance workload.

[0004] At present, traditional compressors on the market have problems such as high noise and insufficient durability. These problems not only affect the efficiency of industrial production, but also have adverse effects on the environment. In order to meet the urgent needs of the market, a silent compressor is needed that adopts a variety of different silent designs in multiple places where noise is generated, thereby reducing the noise of the compressor during operation as a whole to meet the needs of users at night or in a low-noise environment. Summary of the invention

[0005] The main purpose of the present invention is to provide a silent compressor which adopts a variety of different silent designs in multiple places where noise is generated, thereby reducing the noise of the compressor during operation as a whole to meet the needs of users for use at night or in a low-noise environment.

[0006] The present invention provides a silent compressor, comprising a motor, an air pump and a heat dissipation fan blade, wherein the motor and the air pump are fixedly connected, one end of the output shaft of the motor is connected to the connecting rod of the air pump through a connecting piece, so that the air pump can be driven to work by the motor, and the other end of the output shaft of the motor is connected to the heat dissipation fan blade;

[0007] The heat dissipation fan blade comprises a fan blade body, an outer fan blade baffle plate arranged in the middle of the outer side of the fan blade body, and an inner fan blade baffle plate arranged in an annular shape on the inner side of the fan blade body. The noise of the heat dissipation fan blade can be reduced by arranging the outer fan blade baffle plate and the inner fan blade baffle plate.

[0008] The air pump comprises an air pump housing, an air inlet and an air outlet are arranged at the bottom of the air pump housing, air plugs are arranged in the air inlet and the air outlet, and a spiral air groove is arranged on the side of the air plug, and the air groove cooperates with the air inlet and the air outlet to extend the length of the air inlet and the air outlet in the air inlet and the air outlet, and form multiple bends in the air outlet and the air inlet, so as to reduce the internal noise of the air pump housing;

[0009] An air outlet chamber and an expansion air inlet chamber are arranged in the air pump housing, an air inlet chamber air outlet column is arranged in the middle of the air inlet chamber, an air outlet column air outlet hole is arranged on the top of the air inlet chamber air outlet column, an air inlet chamber air outlet plug is arranged on the upper cover of the air outlet column air outlet hole, and a plurality of air inlet chamber air inlet holes are arranged on the side of the air inlet chamber air outlet column. By arranging the expansion air inlet chamber, the noise generated when the air pump inhales air can be reduced.

[0010] Preferably, it also includes a silent shell, which is arranged at the connection between the motor and the air pump. The silent shell can reduce the noise when the output shaft drives the connecting rod of the air pump to move through the connecting piece.

[0011] Preferably, the connecting member is an eccentric wheel.

[0012] Preferably, the motor is a shaded-pole motor, which includes a motor housing, a main winding, a secondary winding and a rotor, wherein the main winding is wound on one side of the motor housing, the secondary winding is arranged on the other side of the motor housing, and the rotor is arranged in the middle of the secondary winding. The motor housing includes a motor housing body and a first connecting bracket and a second connecting bracket arranged on both sides of the motor housing body, wherein the first connecting bracket and the second connecting bracket are respectively fixedly connected to the motor housing body, and the rotor limiter is arranged in the motor housing body.

[0013] Preferably, the output shaft of the motor is fixedly connected to the rotor, and a first ball bearing and a second ball bearing are respectively provided between the first connecting bracket and the second connecting bracket and the output shaft of the motor.

[0014] Preferably, an effective steel sleeve is arranged on the outer side of the second connecting bearing, and an annular thin pad is arranged between the second connecting bearing, the effective steel sleeve and the second connecting bracket. The thin pad can reduce the noise generated during the rotation of the output shaft of the motor.

[0015] The beneficial effects of the silent compressor of the present invention are:

[0016] 1. By providing heat dissipation fan blades with a silent design, by providing air plugs with spiral air grooves in the air inlet and the air outlet, by providing a silent shell, and by providing an expansion air inlet chamber, the overall noise can be reduced by reducing the quietness of each component of the air pump motor.

[0017] 2. By providing an annular thin pad between the second connecting bearing and the effective steel sleeve and the second connecting bracket, the noise generated during the rotation of the output shaft of the motor can be reduced without affecting the smoothness of the rotation of the output shaft of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional structure of the silent compressor of the present invention Figure 1 ;

[0019] Figure 2 The three-dimensional structure of the silent compressor of the present invention Figure 2 ;

[0020] Figure 3 A three-dimensional diagram of a motor of a silent compressor of the present invention;

[0021] Figure 4 It is a schematic diagram of the internal structure of the second connecting bracket of the silent compressor of the present invention;

[0022] Figure 5 A three-dimensional diagram of an air pump of a silent compressor of the present invention;

[0023] Figure 6 It is a schematic diagram of the internal structure of the base of the silent compressor of the present invention;

[0024] Figure 7 It is a schematic structural diagram of the air plug of the silent compressor of the present invention;

[0025] Figure 8 The structure of the heat dissipation fan blade of the silent compressor of the present invention is shown in FIG. Figure 1 ;

[0026] Fig. 9 The structure of the heat dissipation fan blade of the silent compressor of the present invention is shown in FIG. Figure 2 ;

[0027] Numbers in the figure: 1. motor, 2. air pump, 3. silent casing, 4. heat dissipation fan blade, 5. eccentric wheel, 11. motor casing body, 12. first connecting bracket, 13. second connecting bracket, 14. rotor, 15. output shaft, 16. main winding, 17. secondary winding, 18. second connecting bearing, 19. effective steel sleeve, 20. thin pad, 21. base, 22. cover plate, 23. air pump fixing bracket, 24. air plug, 25. connecting rod, 41. fan blade body, 42. outer fan blade baffle, 43. inner fan blade baffle, 211. air inlet, 212. air outlet, 213. air inlet chamber, 214. air outlet chamber, 215. air inlet chamber outlet column, 216. air outlet column outlet hole, 217. air inlet chamber air inlet, 241. air groove.

[0028] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0030] Reference Figures 1 to 9 , an embodiment of the silent compressor of the present invention is proposed:

[0031] A silent compressor comprises a motor 1, an air pump 2, a silent housing 3, an eccentric wheel 5 and heat dissipation blades 4.

[0032] The motor 1 is a shaded-pole motor, which includes a motor housing, a main winding 16, an output shaft 15, an auxiliary winding 17 and a rotor 14. The main winding 16 is wound on one side of the motor housing, the auxiliary winding 17 is arranged on the other side of the motor housing, and the rotor 14 is arranged in the middle of the auxiliary winding 17. The motor housing includes a motor housing body 11 and a first connecting bracket 12 and a second connecting bracket 13 arranged on both sides of the motor housing body 11. The first connecting bracket 12 and the second connecting bracket 13 are respectively fixedly connected to the motor housing body 11, and the rotor 14 is limitedly set in the motor housing body 11. The output shaft 15 of the motor 1 passes through the center of the rotor 14 and is fixedly connected to the rotor 14.

[0033] The first connecting bracket 12 is arranged on the side of the motor 1 close to the air pump 2, and the first connecting bracket 12 is fixedly connected to the motor housing body 11 by means of threaded connection, and a first connecting bearing is arranged between the first connecting bracket 12 and the output shaft 15. The second connecting bracket 13 is arranged on the side of the motor 1 away from the air pump 2, and the second connecting bracket 13 is fixedly connected to the motor housing body 11 by means of threaded connection. A second connecting bearing 18 is arranged between the second connecting bracket 13 and the output shaft 15, and an effective steel sleeve 19 is arranged on the outer side of the second connecting bearing 113. An annular thin pad 20 is arranged between the second connecting bearing 18 and the effective steel sleeve 19 and the second connecting bracket 13. By arranging the thin pad 20, the noise generated during the rotation process of the output shaft 15 of the motor 1 can be improved and reduced.

[0034] The heat dissipation blade 4 is arranged on the side of the motor 1 away from the air pump 2 and is fixedly connected to the output shaft 15. The heat dissipation blade 4 includes a blade body 41, an outer blade baffle 42 arranged in the middle of the outer side of the blade body 41, and an inner blade baffle 43 arranged in an annular shape on the inner side of the blade body 41. The noise of the heat dissipation blade 4 can be reduced by arranging the outer blade baffle 42 and the inner blade baffle 43.

[0035] The air pump 2 includes an air pump housing, a connecting rod 25, an air plug 24 and an air outlet plug of the air inlet chamber. The air pump housing includes a base 21, a cover plate 22 and an air pump fixing bracket 23. The cover plate 22 is arranged on the top of the base 21 and is fixedly connected to the base 21. The air pump fixing bracket 23 is arranged on the top of the cover plate 22 and is fixedly connected to the cover plate 22. The side of the air pump fixing bracket 23 is screwed to the motor housing body 11, so that the air pump 2 and the motor 1 are fixedly connected. The output shaft 15 of the motor 1 is connected to the connecting rod 25 of the air pump 2 through the eccentric wheel 5, so that the air pump 2 can be driven to work through the motor 1. The silent housing 3 is arranged at the connection between the motor 1 and the air pump 2. The silent housing 3 can reduce the noise when the output shaft 15 drives the connecting rod 25 of the air pump 2 to move through the eccentric wheel 5.

[0036] An air outlet chamber 214 and an expansion air inlet chamber 213 are arranged in the base 21, an air inlet chamber air outlet column 215 is arranged in the middle of the air inlet chamber 213, an air outlet column air outlet hole 216 is arranged on the top of the air inlet chamber air outlet column 215, an air inlet chamber air outlet plug is provided on the upper cover of the air outlet column air outlet hole 216, two air inlet holes 217 are arranged on the side of the air inlet chamber air outlet column 215, and the two air inlet holes 217 are respectively connected to two different air inlet cavities. By arranging the expansion air inlet chamber 213, the noise generated when the air pump 2 inhales air can be reduced. An air inlet 211 and an air outlet 212 communicating with an air inlet chamber 213 and an air outlet chamber 214 are provided on the outer side of the base 21, an air plug 24 is provided in the air inlet 211 and the air outlet 212, a spiral air groove 241 is provided on the side of the air plug 24, and the air groove 241 cooperates with the air inlet 211 and the air outlet 212 to extend the length of the air inlet and air outlet ducts in the air inlet 211 and the air outlet 212 and form multiple bends in the air outlet and the air inlet duct, thereby reducing the internal noise of the air pump 2.

[0037] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A silent compressor, It includes a motor, an air pump and a heat dissipation fan blade, wherein the motor and the air pump are fixedly connected, one end of the output shaft of the motor is connected to the connecting rod of the air pump through a connecting piece, so that the air pump can be driven to work by the motor, and the other end of the output shaft of the motor is connected to the heat dissipation fan blade; It is characterized in that The heat dissipation fan blade comprises a fan blade body, an outer fan blade baffle plate arranged in the middle of the outer side of the fan blade body, and an inner fan blade baffle plate arranged in an annular shape on the inner side of the fan blade body. The noise of the heat dissipation fan blade can be reduced by arranging the outer fan blade baffle plate and the inner fan blade baffle plate. The air pump comprises an air pump housing, an air inlet and an air outlet are arranged at the bottom of the air pump housing, air plugs are arranged in the air inlet and the air outlet, and a spiral air groove is arranged on the side of the air plug, and the air groove cooperates with the air inlet and the air outlet to extend the length of the air inlet and the air outlet in the air inlet and the air outlet, and form multiple bends in the air outlet and the air inlet, so as to reduce the internal noise of the air pump housing; An air outlet chamber and an expansion air inlet chamber are arranged in the air pump housing, an air inlet chamber air outlet column is arranged in the middle of the air inlet chamber, an air outlet column air outlet hole is arranged on the top of the air inlet chamber air outlet column, an air inlet chamber air outlet plug is arranged on the upper cover of the air outlet column air outlet hole, and a plurality of air inlet chamber air inlet holes are arranged on the side of the air inlet chamber air outlet column. By arranging the expansion air inlet chamber, the noise generated when the air pump inhales air can be reduced.

2. The silent compressor according to claim 1, characterized in that: It also includes a silent shell, which is arranged at the connection between the motor and the air pump. The silent shell can reduce the noise when the output shaft drives the connecting rod of the air pump to move through the connecting piece.

3. The silent compressor according to claim 1 or 2, characterized in that: The connecting piece is an eccentric wheel.

4. The silent compressor according to claim 1, characterized in that: The motor is a shaded-pole motor, which includes a motor housing, a main winding, a secondary winding and a rotor. The main winding is wound on one side of the motor housing, the secondary winding is arranged on the other side of the motor housing, and the rotor is arranged in the middle of the secondary winding. The motor housing includes a motor housing body and a first connecting bracket and a second connecting bracket arranged on both sides of the motor housing body. The first connecting bracket and the second connecting bracket are respectively fixedly connected to the motor housing body, and the rotor is limitedly arranged in the motor housing body.

5. The silent compressor according to claim 4, characterized in that: The output shaft of the motor is fixedly connected to the rotor, and a first ball bearing and a second ball bearing are respectively arranged between the first connecting bracket and the second connecting bracket and the output shaft of the motor.

6. The silent compressor according to claim 5, characterized in that: An effective steel sleeve is arranged on the outer side of the second connecting bearing, and an annular thin pad is arranged between the second connecting bearing, the effective steel sleeve and the second connecting bracket. The noise generated during the rotation of the output shaft of the motor can be reduced by arranging the thin pad.

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