Compression type atomizer

Abstract

A compression type atomizer comprises a shell, a compression pump assembly, a silencing box and a heat dissipation exhaust fan, a filtering air inlet is connected with an inlet of the compression pump assembly through a pipeline via the silencing box, and an outlet of the compression pump assembly is connected with an air outlet through a pipeline; the bottom of the compression pump assembly is connected with the inner bottom surface of the shell through a buffer pad, and the top of the compression pump assembly is in compression fit with the inner top surface of the shell through a damping layer; the left end and the right end of the shell are each provided with a heat dissipation air inlet so that the heat dissipation air inlets can be aligned with the two ends of the compression pump assembly. The heat dissipation exhaust fan is arranged on the front side or the rear side of the compression pump assembly, a heat dissipation air outlet is formed in the position, opposite to the heat dissipation exhaust fan, of the shell, and therefore a heat dissipation structure with air inlet at the two ends and air outlet at the side is formed.

Description

Technical Field

[0001] The invention relates to medical equipment, in particular to a compression type atomizer. Background Art

[0002] As people's health awareness continues to increase, medical devices have gradually been widely used. As a major treatment trend for some respiratory diseases in today's society, corresponding nebulizer products have begun to receive more and more attention. Currently, compressed nebulizers are mostly used in hospitals and families on the market. The internal gas is compressed by a compression pump to achieve the atomization effect of the drug.

[0003] Compressed atomization products are already popular in the market, but the internal design of atomizers on the market is single, and there are problems such as low life and high noise, which affects the user experience. Summary of the invention

[0004] The object of the present invention is to provide a compression type atomizer.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a compression atomizer, comprising a shell, a compression pump assembly, a silencer box and a heat dissipation exhaust fan, the shell is provided with a filter air inlet and an air outlet; the filter air inlet is connected to the inlet of the compression pump assembly by a pipeline through the silencer box, and the outlet of the compression pump assembly is connected to the air outlet by a pipeline; the shell has a length direction and a width direction, and the compression pump assembly is placed in the middle of the shell along the length direction of the shell with its own length direction; a heat dissipation air inlet is respectively opened on the left and right ends of the shell to align with the two end ends of the compression pump assembly; the heat dissipation exhaust fan is arranged on the front side or the rear side of the compression pump assembly, and a heat dissipation air outlet is opened on the shell facing the heat dissipation exhaust fan, thereby forming a heat dissipation structure with air inlet at both ends and air outlet at the side.

[0006] In the above solution, a recessed portion is formed on the outer surface of the shell at a position corresponding to the heat dissipation air inlet, and the heat dissipation air inlet is opened on the recessed portion to reduce dust falling on the heat dissipation air inlet.

[0007] In the above scheme, the compression pump assembly is a DC brushless two-cylinder compression pump; the heat dissipation exhaust fan is arranged facing the outlet side cylinder body of the DC brushless two-cylinder compression pump; the brushless two-cylinder compression pump has good quietness, high flow rate and high efficiency; the heat dissipation exhaust fan is arranged facing the outlet side cylinder body of the DC brushless two-cylinder compression pump because more heat is accumulated at the outlet side cylinder body.

[0008] In the above scheme, the heat dissipation air inlet is biased towards the bottom on the end surface of the shell; the silencer box is arranged on the front side or the rear side of the compression pump assembly; the compression atomizer also includes a power board and a main control board, which are respectively arranged on the two end sides of the compression pump assembly and avoid the heat dissipation air inlet. The power board and the main control board are connected by an inter-board line, so that the internal structure is more compact and the external volume is smaller.

[0009] In the above scheme, the shell is composed of a lower shell, an upper shell and side panels at both ends. The side panels at both ends are positioned with the upper shell and the lower shell through slots, and the upper shell and the lower shell are fastened by screws inserted from top to bottom; so that when installing, the compression pump assembly, the silencer box and the heat dissipation exhaust fan can be installed on the lower shell first, and then the side panels at both ends are placed, and finally the upper shell is covered and the screws are tightened; so that when installing, the compression pump assembly, the silencer box and the heat dissipation exhaust fan can be installed on the lower shell first, and then the side panels at both ends are placed, and finally the upper shell is covered and the screws are tightened, which optimizes the splicing design of the shell, uses as few fasteners as possible, and improves assembly efficiency.

[0010] In the above scheme, the filter air inlet is a groove for installing the filter on the outer surface of the shell, and the middle part of the groove is provided with an air inlet hole; the filter assembly is installed in the groove, and the filter assembly includes a filter cover, a filter element and a sealing ring. A columnar body is extended into the shell from the filter cover, and an air inlet channel is provided on the columnar body, and the channel is connected to the central hole of the columnar body by a plurality of ventilation grooves on the outer periphery of the columnar body, and the end of the columnar body is inserted into the air inlet hole, and the sealing ring is provided on the outer periphery of the end of the columnar body to seal the columnar body and the air inlet hole, so that the central hole of the columnar body and the air inlet hole are connected and connected; the filter element is annular, and it is interference-fitted on the columnar body of the filter cover to seal the plurality of ventilation grooves on its outer periphery, and the gap between the filter element and the groove is used as the air inlet gap, so as to form an integrated assembly structure of the filter assembly. The utilization rate of the filter element filtration is improved, and it is convenient for users to replace the filter assembly.

[0011] In the above scheme, the bottom of the compression pump assembly is connected to the inner bottom surface of the shell through a buffer pad, and the top of the compression pump assembly is pressed and fitted by the inner top surface of the shell through a damping layer.

[0012] In the above scheme, the damping layer is composed of an elastic layer and a sponge layer. The elastic layer is on the upper side and fits with the inner top surface of the shell, while the sponge layer is on the lower side and is honeycomb-shaped for sound absorption.

[0013] In the above scheme, the filtered air inlet is connected to the inlet of the silencer box through the first noise reduction hose, the outlet of the silencer box is connected to the inlet of the compression pump assembly through the second noise reduction hose, and the outlet of the compression pump assembly is connected to the air outlet through the third noise reduction hose; the first noise reduction hose, the second noise reduction hose and the third noise reduction hose are all composed of two pipe joints and a hose with a pipe hardness greater than 65HA connected between the two pipe joints, the pipe diameters of the two pipe joints are larger than the pipe diameter of the hose, and at least one of the two pipe joints is an L-shaped bend joint, thereby forming a resistant silencer structure with multiple changes in channel cross-sectional area.

[0014] In the above solution, the inlet of the silencer box is located on the top surface of the silencer box, and the L-shaped elbow joint of the first noise reduction hose is connected to the inlet of the silencer box from top to bottom.

[0015] In the above solution, the filtered air inlet is extended into the shell and is provided with an upwardly bent extension tube, and the other pipe joint of the first noise reduction hose is a straight joint, which is connected to the pipe opening of the extension tube.

[0016] In the above scheme, the inlet and outlet of the compression pump assembly are both arranged at the left and right ends of the compression pump assembly, the L-shaped bend joint of the second noise reduction hose is connected to the inlet of the compression pump assembly, and the L-shaped bend joint of the third noise reduction hose is connected to the outlet of the compression pump assembly.

[0017] Compared with the existing atomizers, the internal layout of the present invention is more compact and the stacking logic is clear, so that a high flow and low noise design can be achieved in a small shape; and, because an active heat dissipation structure with air inlet at both ends and lateral air outlet is adopted, the temperature rise of the whole machine is effectively controlled and the service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of an explosion of the whole device according to an embodiment of the present invention; Figure 2 A three-dimensional diagram of the whole machine of the embodiment of the present invention with the upper shell removed Figure 1 ; Figure 3 A three-dimensional diagram of the whole machine of the embodiment of the present invention with the upper shell removed Figure 2 ; Figure 4 is a full cross-sectional schematic diagram of the length direction of an embodiment of the present invention; Figure 5 A full cross-sectional view of an embodiment of the present invention in the width direction Figure 1 , cut at the filter air inlet; Figure 6 A full cross-sectional view of an embodiment of the present invention in the width direction Figure 2 , cut at the air outlet; Figure 7An exploded schematic diagram of a filter assembly according to an embodiment of the present invention; Figure 8 It is an exploded schematic diagram of the upper shell of an embodiment of the present invention; Fig. 9 An exploded schematic diagram of a first noise reduction hose according to an embodiment of the present invention; Fig.10 An exploded schematic diagram of a muffler box according to an embodiment of the present invention; Fig.11 This is a schematic diagram of the overall appearance of an embodiment of the invention, in which the arrows indicate the direction of the heat dissipation airflow.

[0019] In the above figure: 1, shell; 11, lower shell; 111, heat dissipation outlet; 12, upper shell; 13, side panel; 131, heat dissipation inlet; 14, groove; 141, air inlet; 2, compression pump assembly; 21, buffer pad; 22, damping layer; 3, silencer box; 4, filtered air inlet; 41, extension pipe; 5, air outlet; 51, two-way joint; 52, nut; 53, O-ring; 6, first noise reduction hose; 61, pipe joint; 62, pipe joint; 63, hose; 7, The second noise reduction hose; 8. The third noise reduction hose; 9. The heat dissipation fan; 10. The power board; 20. The main control board; 30. The inter-board wire; 40. The filter assembly; 401. The filter cover; 4011. The columnar body; 40111. The channel; 40112. The ventilation groove; 402. The filter element; 403. The sealing ring; 50. The anti-collapse pipe assembly; 501. The anti-collapse pipe joint; 502. The anti-collapse pipe connecting pipe; 503. The anti-collapse pipe adapter; 60. The shock-absorbing foot pad; 70. The push button switch. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments: For example, see Figure 1-11 As shown, a compression atomizer: See also Figure 1-Figure 6 and Figure 8 As shown, the compression atomizer includes a housing 1, a compression pump assembly 2, a muffler box 3 and a heat dissipation exhaust fan 9. The housing 1 is provided with a filtered air inlet 4 and an air outlet 5. The filtered air inlet 4 refers to an air inlet 4 with a filter or a filter screen. The filtered air inlet 4 is connected to the inlet of the compression pump assembly 2 through the muffler box 3 by a pipeline, and the outlet of the compression pump assembly 2 is connected to the air outlet 5 by a pipeline.

[0021] The housing has a length direction and a width direction, and the compression pump assembly is placed in the middle of the housing along the length direction of the housing with its own length direction; see Figure 1-6 and Figure 8As shown, the compression pump assembly 2 is arranged in the middle of the housing 1, and its bottom is connected to the bottom surface of the housing 1 through a buffer pad 21, and its top is pressed and matched by the top surface of the housing 1 through a damping layer 22, see Figure 1 and Figure 4 The buffer pads 21 are specifically rubber springs, the number of which is more than 3, and 4 are shown in the figure as an example, and are arranged under the four corners of the bottom plate of the compression pump assembly 2. The interference between the damping layer 22 and the top surface of the compression pump assembly 2 needs to be greater than the compression of the buffer pad 21 at the bottom of the compression pump assembly 2, ensuring that the compression pump assembly 2 in the whole machine is in a flexible connection in the vertical direction, thereby reducing the vibration of the pump body and the housing 1.

[0022] A plurality of foot pads 60 may also be provided on the outer bottom surface of the housing 1. Figure 1 The example shown is four foot pads 40 to provide a more stable placement and eliminate vibration during operation.

[0023] See also Figure 1-Figure 3 and Fig.11 As shown, the left and right ends of the housing 1 are each provided with a heat dissipation air inlet 131 to align with the two ends of the compression pump assembly 2. The heat dissipation exhaust fan 9 is arranged on the front side or the rear side of the compression pump assembly 2, and the housing 1 is provided with a heat dissipation air outlet 111 facing the heat dissipation exhaust fan 9, thereby forming a heat dissipation structure with air inlet at both ends and air outlet at the side.

[0024] See also Figure 1-Figure 3 and Fig.11 As shown, a recessed portion is formed on the outer surface of the shell 1 at a position corresponding to the heat dissipation air inlet 131 , and the heat dissipation air inlet 131 is opened on the recessed portion to reduce dust falling on the heat dissipation air inlet 131 and reduce external dust from entering the shell 1 .

[0025] See also Figure 1-Figure 4 As shown, the compression pump assembly 2 is a DC brushless twin-cylinder compression pump, which has a large twin-cylinder flow rate, high efficiency, and good quietness. The heat dissipation exhaust fan 9 is arranged facing the outlet side cylinder body of the DC brushless twin-cylinder compression pump to discharge the heat at the outlet side cylinder body of the DC brushless twin-cylinder compression pump as soon as possible to avoid heat accumulation there.

[0026] See also Figure 1-Figure 4 As shown, the heat dissipation air inlet 131 is biased toward the bottom on the end surface of the shell; the muffler box 3 is arranged on the front side or the rear side of the compression pump assembly 2, specifically, the muffler box 3 and the heat dissipation fan 9 are arranged on the front and rear sides of the compression pump assembly 2, that is, when the heat dissipation fan 9 is set to the rear side, the muffler box 3 is set to the front side, and vice versa. The figure is an example, the muffler box 3 is set on the front side of the compression pump assembly 2, and the heat dissipation fan 9 is set on the rear side of the compression pump assembly 2.

[0027] See also Figure 1-Figure 4As shown, the compression atomizer also includes a power board 10 and a main control board 20. The power board 10 and the main control board 20 are respectively arranged at the two end sides of the compression pump assembly 2, and avoid the heat dissipation air inlet 131. The power board 10 and the main control board 20 are connected by an inter-board line 30. A wiring groove can be provided on the inner bottom surface of the shell corresponding to the inter-board line 30 and the switch line, that is, the inter-board line can be routed along the wiring groove. Specifically, the wiring groove can be set between the bottom of the muffler box 3 and the inner bottom surface of the shell 1, that is, after the wiring is arranged, the muffler box 3 can be covered to fix it. , The wiring structure of the product is optimized and it is convenient for production.

[0028] See also Figure 1-Figure 4 as well as Figure 8 As shown, the shell 1 is composed of a lower shell 11, an upper shell 12 and side plates 13 at both ends. The side plates 13 at both ends are positioned between the upper shell 12 and the lower shell 11 through slots, and the upper shell and the lower shell are fastened by screws from top to bottom; so that when installing, the internal components such as the compression pump assembly 2, the silencer box 3, the heat dissipation exhaust fan 9, the power board 10 and the main control board 20 can be installed on the lower shell 11 first, and then the side plates 13 at both ends are placed, and finally the upper shell 12 is covered and the screws are tightened. In this bottom-to-top assembly method, the bottom of the compression pump assembly 2 is supported by the buffer pad 21, and its top surface is interference fit by the upper shell 12 through the damping layer 22, which optimizes the vibration of the compression pump assembly 2 in the vertical direction, and the assembly cost is low, no other fasteners are required to limit, and the structure is the most compact.

[0029] See also Figure 1 and Figure 4 As shown, the filter air inlet 4 is a groove 14 for installing a filter on the outer surface of the housing 1, and an air inlet hole 141 is provided in the middle of the groove 14. A filter assembly 40 is installed in the groove 14, and the filter assembly 40 includes a filter cover 401, a filter element 402 and a sealing ring 403. A columnar body 4011 is extended from the filter cover 401 into the housing (1), and an air inlet channel 40111 is provided on the columnar body 4011. The channel 40111 is connected to the central hole of the columnar body 4011 by a plurality of ventilation grooves 40112 on the outer periphery of the columnar body 4011. The end of the columnar body 4011 is inserted into the air inlet hole 141, and the end of the columnar body 4011 is provided with a gas inlet channel 40111. The sealing ring 402 is arranged on the outer periphery to seal the columnar body 4011 and the air inlet hole 141, so that the central hole of the columnar body 4011 and the air inlet hole 141 are connected and communicated with each other; the filter element 402 is annular, and is interference-fitted on the columnar body (4011) of the filter cover (401) to seal the multiple ventilation grooves 40112 on its outer periphery. The gap between the filter element 402 and the groove 14 serves as the air inlet gap, thereby forming an integrated assembly structure of the filter assembly. When the user replaces the filter element, he needs to directly unplug the entire filter assembly 40 for replacement.

[0030] See also Figure 1-Figure 3 As shown, the filtered air inlet 4 is connected to the inlet of the muffler box 3 through the first noise reduction hose 6, the outlet of the muffler box 3 is connected to the inlet of the compression pump assembly 2 through the second noise reduction hose 7, and the outlet of the compression pump assembly 2 is connected to the air outlet 5 through the third noise reduction hose 8. The first noise reduction hose 6, the second noise reduction hose 7 and the third noise reduction hose 8 are all composed of two pipe joints 61, 62 and a hose 63 with a tube hardness greater than 65HA connected between the two pipe joints 61, 62. The pipe diameters of the two pipe joints 61, 62 are greater than the pipe diameter of the hose 63, and at least one of the two pipe joints 61, 62 is an L-shaped elbow joint, thereby forming a resistant muffler structure with multiple changes in the channel cross-sectional area. In addition, the two pipe joints of the first noise reduction hose 6, the second noise reduction hose 7 and the third noise reduction hose 8 are convenient for internal intubation, and the middle is a thin hose with a tube hardness greater than 65HA, which has excellent bending flexibility, avoids internal pipe bending, and also avoids pipeline resonance caused by the outlet air flow velocity.

[0031] Specifically, the inlet of the muffler box 3 is located on the top surface of the muffler box 3, and the L-shaped bend joint of the first noise reduction hose 6 is connected to the inlet of the muffler box 3 from top to bottom. The filtered air inlet 4 extends into the housing 1 and is provided with an upwardly bent extension pipe 41 (see Figure 1 ), the other pipe joint 62 of the first noise reduction hose 6 is a straight joint, which is connected to the pipe mouth of the extension pipe 41. The inlet and outlet of the compression pump assembly 2 are both arranged at the left and right ends of the compression pump assembly 2, the L-shaped elbow joint of the second noise reduction hose 7 is connected to the inlet of the compression pump assembly 2, and the L-shaped elbow joint of the third noise reduction hose 8 is connected to the outlet of the compression pump assembly 2.

[0032] The damping layer 22 is preferably composed of an elastic layer and a sponge layer. The elastic layer is on the upper side and fits with the inner top surface of the shell 1 to provide a damping elastic force, while the sponge layer is on the lower side and is in a honeycomb shape for sound absorption.

[0033] See also Figure 1 and Figure 8 As shown, see Figure 6 The air outlet 5 is arranged on the upper shell 12, and a card slot is formed on the outer end of the air outlet 5 on the upper shell, and the anti-collapse tube assembly 50 is docked on the card slot, and the anti-collapse tube assembly 50 consists of an anti-collapse tube joint 501, an anti-collapse tube connecting tube 502 and an anti-collapse tube adapter 503; the anti-collapse tube joint 501 is inserted into the card slot through a buckle and firmly connected, a through hole provided on the shell is used as the air outlet port 5, and the through hole is located in the middle of the card slot, and a two-way joint 51 is passed through the through hole, and the two-way joint 51 is fastened to the upper shell 12 through a nut 52, and the two-way joint 51 is sleeved on the end of the inner side of the shell with the pipe joint of the third noise reduction hose 8, and its outer end is inserted into the inner hole of the anti-collapse tube joint 501 and connected through a sealing ring.

[0034] See also Figure 1 As shown, a button switch 70 is arranged on the upper shell 12 beside the air outlet 5, and the button switch 70 is connected to the power board 10 and / or the main control board 20 through wiring inside the shell.

[0035] See also Fig.10 As shown, the silencer box is sealed by an upper box 31 and a lower cover 32. Ribs are arranged inside the upper box 31 to reflect the airflow sound waves therein, thereby reducing the medium and low frequency noise.

[0036] The whole machine assembly process of this embodiment is as follows: the power line is passed through the perforated position of the lower shell 11, and the wiring is fixed through the bottom slot of the lower shell 11. The four buffer pads 21 are assembled to the outer bottom corners of the compression pump assembly 2 as a whole, and then it is sleeved on the lower shell 11. Further, the side panels 13 at both ends of the product are respectively assembled with the main control board 20 and the power board 10 of the whole machine through buckles and screws, and the left and right side panels 13 are mounted on the lower shell 11 through the slots; further, the inter-board line 30 connects the main control board 20 and the power board 10, and then the switch connection is plugged in, and the heat dissipation exhaust fan 9 is pressed through the slot of the lower shell 11. Tight to the inside, the product wiring is arranged through the slot of the lower shell 11, and further, the silencer box 3 is assembled to the lower shell 11 by screws, and the line is fixed at the same time (the silencer box 3 and the lower shell 11 are fixed on the wiring slot of the lower shell). Furthermore, the product is connected to the filtered air inlet 4 of the lower shell 11-the inlet of the silencer box 3, the outlet of the silencer box 3-the inlet of the compression pump assembly 2, the outlet of the compression pump assembly 2-the air outlet 5 of the upper shell 12 through the first noise reduction hose 6, the second noise reduction hose 7, and the third noise reduction hose 8 respectively. Finally, the upper shell 12 is covered, the buckles are buckled, and the screws are tightened to complete the stacking and assembly of the whole machine.

[0037] This embodiment has the following advantages: 1. Compared with the internal layout of conventional atomizers on the market, this solution has a compact internal layout and clear stacking logic, which can achieve high flow and low noise design in a small shape; 2. The internal multi-level noise reduction scheme uses impedance composite noise reduction to reduce the overall noise value of the system to the maximum extent, which can reach 40dB in the actual machine state; 3. The whole machine adopts DC brushless double-cylinder compression pump and stacking layout scheme, which greatly improves the product life and performance; 4. Active heat dissipation is adopted inside the whole machine, with wind inlet from both sides and side outlet to take away the heat, thus optimizing the temperature rise of the whole machine; 5. The whole machine assembly adopts multiple interference fits, and fewer fasteners are used in the assembly of multiple parts, which greatly improves production efficiency; 6. The product is designed with a quick-detachable filter assembly 40 and an anti-collapse tube assembly 50, which solves the problems of the inconvenient replacement of the filter element 402 on the market, the frequent plugging and unplugging of the machine's air outlet 5 ends, and the easy breakage of the atomization tube under high pressure, thereby improving the user experience.

[0038] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A compression type atomizer, comprising a housing (1), a compression pump assembly (2), a muffler box (3) and a heat dissipation exhaust fan (9), wherein the housing (1) is provided with a filter air inlet (4) and an air outlet (5); the filter air inlet (4) is connected to the inlet of the compression pump assembly (2) through a pipeline via the muffler box (3), and the outlet of the compression pump assembly (2) is connected to the air outlet (5) through a pipeline; the characteristics are: The shell has a length direction and a width direction, and the compression pump assembly is placed in the middle of the shell with its own length direction along the length direction of the shell; a heat dissipation air inlet (131) is respectively provided on the left and right ends of the shell (1) to align with the two end portions of the compression pump assembly (2); the heat dissipation exhaust fan (9) is arranged on the front side or the rear side of the compression pump assembly (2), and a heat dissipation air outlet (111) is provided on the shell (1) facing the heat dissipation exhaust fan (9), thereby forming a heat dissipation structure with air inlet at both ends and air outlet at the side.

2. The compression atomizer according to claim 1, characterized in that: The compression pump assembly (2) is a DC brushless twin-cylinder compression pump; the heat dissipation exhaust fan (9) is arranged facing the cylinder body on the outlet side of the DC brushless twin-cylinder compression pump.

3. The compression atomizer according to claim 1 or 2, characterized in that: The heat dissipation air inlet (131) is disposed on the end surface of the housing and is biased toward the bottom; the muffler box (3) is arranged on the front side or the rear side of the compression pump assembly (2); the compression atomizer further comprises a power board (10) and a main control board (20); the power board (10) and the main control board (20) are arranged on both ends of the compression pump assembly (2) and avoid the heat dissipation air inlet (131); the power board (10) and the main control board (20) are connected by an inter-board line (30).

4. The compression atomizer according to claim 1, characterized in that: The housing (1) is composed of a lower housing (11), an upper housing (12) and two end side panels (13), the two end side panels (13) are positioned with the upper housing (12) and the lower housing (11) by means of slots, and the upper housing and the lower housing are fastened by screws inserted from top to bottom; so that during installation, the compression pump assembly (2), the muffler box (3) and the heat dissipation fan (9) can be first installed on the lower housing (11), and then the two end side panels (13) are placed, and finally the upper housing (12) is covered and the screws are tightened.

5. The compression atomizer according to claim 1 or 4, characterized in that: The filter air inlet (4) is a groove (14) for installing a filter on the outer surface of the housing (1), and an air inlet hole (141) is provided in the middle of the groove (14); a filter assembly (40) is installed in the groove (14), and the filter assembly (40) comprises a filter cover (401), a filter element (402) and a sealing ring (403); a columnar body (4011) is extended from the filter cover (401) into the housing (1), and an air inlet channel (40111) is provided on the columnar body (4011), and the channel (40111) is connected to the air inlet by a plurality of ventilation grooves (40112) on the outer periphery of the columnar body (4011). The center hole of the column (4011) is inserted into the air inlet hole (141), and the sealing ring (402) is arranged on the outer periphery of the end of the column (4011) to seal the column (4011) and the air inlet hole (141), so that the center hole of the column (4011) and the air inlet hole (141) are connected and communicated; the filter core (402) is annular and is interference-fitted on the column (4011) of the filter cover (401) to seal the multiple ventilation grooves (40112) on its outer periphery, and the gap between the filter core (402) and the groove (14) serves as the air inlet gap, thereby forming an integrated assembly structure of the filter component.

6. The compression atomizer according to claim 5, characterized in that: The bottom of the compression pump assembly (2) is connected to the inner bottom surface of the housing (1) via a buffer pad (21), and the top of the compression pump assembly (2) is pressed and fitted with the inner top surface of the housing (1) via a damping layer (22).

7. The compression atomizer according to claim 6, characterized in that: The damping layer (22) is composed of an elastic layer and a sponge layer, wherein the elastic layer is on the upper side and fits the inner top surface of the shell (1), while the sponge layer is on the lower side and is in a honeycomb shape for sound absorption.

8. The compression atomizer according to claim 6, characterized in that: The filtered air inlet (4) is connected to the inlet of the silencer box (3) via a first noise reduction hose (6), the outlet of the silencer box (3) is connected to the inlet of the compression pump assembly (2) via a second noise reduction hose (7), and the outlet of the compression pump assembly (2) is connected to the air outlet (5) via a third noise reduction hose (8); the first noise reduction hose (6), the second noise reduction hose (7) and the third noise reduction hose (8) are all composed of two pipe joints (61, 62) and a hose (63) with a pipe hardness greater than 65HA connected between the two pipe joints (61, 62); the pipe diameters of the two pipe joints (61, 62) are greater than the pipe diameter of the hose (63), and at least one of the two pipe joints (61, 62) is an L-shaped elbow, thereby forming a resistant silencer structure with a channel cross-sectional area that changes multiple times.

9. The compression atomizer according to claim 8, characterized in that: The inlet of the silencer box (3) is located on the top surface of the silencer box (3), and the L-shaped bent joint of the first noise reduction hose (6) is butted against the inlet of the silencer box (3) from top to bottom.

10. The compression atomizer according to claim 9, characterized in that: The filtered air inlet (4) is provided with an upwardly bent extension pipe (41) extending into the housing (1); the other pipe joint (62) of the first noise reduction hose (6) is a straight joint, which is connected to the pipe opening of the extension pipe (41).

11. The compression atomizer according to claim 8, characterized in that: The inlet and outlet of the compression pump assembly (2) are both arranged at the left and right ends of the compression pump assembly (2); the L-shaped bend joint of the second noise reduction hose (7) is butt-jointed to the inlet of the compression pump assembly (2); and the L-shaped bend joint of the third noise reduction hose (8) is butt-jointed to the outlet of the compression pump assembly (2).

12. The compression atomizer according to claim 1, characterized in that: A recessed portion is formed on the outer surface of the shell (1) at a position corresponding to the heat dissipation air inlet (131), and the heat dissipation air inlet (131) is provided on the recessed portion.

Images