Noise reduction type breathing machine

Abstract

The utility model relates to the field of breathing machines and discloses a noise reduction type breathing machine which comprises a machine shell, an air source unit, a humidifying unit and a fan unit, at least part of the air source unit is arranged in a containing cavity of the machine shell, the air source unit is connected with the fan unit through a first connecting pipe, and the fan unit comprises an outer shell, an inner shell and a fan assembly. The inner shell is provided with a fan cavity and a humidifying cavity, the fan assembly is arranged in the fan cavity, and the fan cavity is communicated with the humidifying cavity through a connecting port; the inner shell is sleeved with the outer shell, a buffering cavity is formed between the inner surface of the outer shell and the outer surface of the inner shell, a plurality of buffering assemblies are arranged in the buffering cavity, and the inner shell is connected with the outer shell through the buffering assemblies; the humidifying unit is arranged between the air source unit and the fan unit and communicated with the humidifying cavity through a second connecting pipe, and an air outlet is formed in the side, close to the fan unit, of the machine shell and communicated with the humidifying cavity through a third connecting pipe. According to the scheme, the structure is simple, and noise generated in the using process is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the field of ventilators, in particular to a noise reduction ventilator. Background Art

[0002] In modern clinical medicine, ventilators, as an effective means of artificially replacing the spontaneous ventilation function, have been widely used in respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support therapy and emergency resuscitation, and occupy a very important position in the field of modern medicine. A ventilator is a vital medical device that can prevent and treat respiratory failure, reduce complications, and save and prolong the life of patients. The ventilator introduces gas through a blower component, which then humidifies the gas through a humidification component and then transmits it to the breathing mask connected to it; during this process, the blower component will generate a lot of noise, affecting its use. Therefore, it is necessary to provide a ventilator with a simple structure that effectively reduces the noise generated during use. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a novel noise reduction type ventilator to solve the problem of high noise in the existing ventilators.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A noise reduction type ventilator, used to reduce the noise generated during the use of the ventilator, comprising a housing, an air source unit, a humidification unit and a fan unit, wherein the air source unit is at least partially arranged in a receiving cavity of the housing, the air source unit is connected to the fan unit through a first connecting pipe, the fan unit comprises an outer housing, an inner housing and a fan assembly, the inner housing is provided with a fan cavity and a humidification cavity, the fan assembly is arranged in the fan cavity, and the fan cavity is connected to the humidification cavity through a connecting port;

[0006] The outer shell is sleeved on the outer side of the inner shell, a buffer cavity is formed between the inner surface of the outer shell and the outer surface of the inner shell, a plurality of buffer components are arranged in the buffer cavity, and the inner shell is connected to the outer shell through the buffer components;

[0007] The humidification unit is arranged between the air source unit and the fan unit, and the humidification unit is connected to the humidification chamber through a second connecting pipe. An air outlet is arranged on a side of the casing close to the fan unit, and is connected to the humidification chamber through a third connecting pipe.

[0008] Furthermore, the accommodating cavity of the casing is surrounded by a bottom plate and four side walls extending in the same direction perpendicular to the bottom plate from the periphery of the bottom plate, a sound insulation layer is arranged between the side plate of the casing and the side wall of the accommodating cavity, and the sound insulation layer is laid along the inner surface of the casing.

[0009] Furthermore, a cover is arranged on the upper side of the casing, a hinge is arranged on the rear side of the cover, and the cover is rotatably connected to the casing via the hinge, and a display unit is arranged on the upper side of the cover.

[0010] Furthermore, the air source unit includes a filter, which is arranged on one side of the accommodating cavity of the casing. An air inlet is arranged on a side of the casing close to the filter and is connected to the filter. The filter is connected to the fan cavity through a first connecting pipe.

[0011] Furthermore, the inner shell is a trapezoidal structure, and the maximum diameter of the fan cavity is greater than the maximum diameter of the humidification cavity.

[0012] Furthermore, the buffer component is arranged along the inner circumference of the outer shell, and the buffer component is a buffer tube with a hollow structure, and an elastic ball is arranged in the buffer tube.

[0013] Furthermore, the humidification unit includes a base, a connecting strip and a humidifier, the base is arranged on the bottom plate of the casing, the humidifier is arranged on the base through the connecting strip, and the humidifier is connected to the humidification chamber through a second connecting pipe.

[0014] Furthermore, the two opposite ends of the connecting strip extend toward the direction of the humidifier, and buckles are provided at the extensions. The opposite sides of the humidifier correspond to the positions of the buckles, and slots are provided. The buckles are buckled into the slots to connect the connecting strip and the humidifier.

[0015] Compared with the prior art, the beneficial effect of the present invention is that the above scheme is adopted, the structure of the utility model is simple, the fan assembly introduces the gas of the air source unit into the fan cavity, and then enters the humidification cavity through the fan cavity, and then the humidification unit humidifies the gas in the humidification cavity, and then transmits it to the air outlet through the third connecting pipe, and then transmits it to the breathing mask connected to it through the air outlet; in this process, the fan assembly will generate relatively large noise, and the vibration generated by the fan assembly during operation will be received by the buffer assembly and will not directly act on the outer shell, thereby effectively reducing vibration, catering to market demand, and having good market application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of a ventilator according to an embodiment of the utility model;

[0017] Figure 2 For the utility model Figure 1 A schematic structural diagram of a housing of an embodiment;

[0018] Figure 3 For the utility model Figure 1A schematic structural diagram of a humidification unit of an embodiment;

[0019] Figure 4 For the utility model Figure 1 A schematic structural diagram of a fan unit of an embodiment;

[0020] In the figure, 1. casing; 11. air inlet; 12. air outlet; 13. sound insulation layer; 14. cover; 15. hinge; 16. display unit; 17. lock; 2. accommodating chamber; 21. first connecting tube; 22. second connecting tube; 23. third connecting tube; 3. air source unit; 31. filter; 4. humidification unit; 41. base; 42. connecting strip; 43. humidifier; 44. buckle; 5. fan unit; 51. outer casing; 52. inner casing; 53. fan assembly; 54. fan chamber; 55. humidification chamber; 56. buffer chamber; 57. buffer assembly; 58. buffer tube; 59. elastic ball. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention by those skilled in the art, the specific implementation methods of the present invention are described below in conjunction with the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time. The terms "mounted", "fixed", "upper", "lower" and similar expressions used in this specification are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by technicians in the technical field of the utility model. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the utility model.

[0024] One embodiment of the present invention is as follows: Figure 1 , 4As shown, the noise reduction type ventilator is used to reduce the noise generated during the use of the ventilator, including a housing 1, an air source unit 3, a humidification unit 4 and a fan unit 5, wherein the air source unit 3 is at least partially arranged in the accommodating chamber 2 of the housing 1, and the air source unit 3 is connected to the fan unit 5 through a first connecting pipe 21, and the fan unit 5 includes an outer shell 51, an inner shell 52 and a fan assembly 53, wherein the inner shell 52 is provided with a fan cavity 54 and a humidification cavity 55, and the fan assembly 53 is arranged in the fan cavity 54, and the fan cavity 54 is connected to the humidification cavity 55 through a connecting port;

[0025] The outer shell 51 is sleeved on the outside of the inner shell 52, and a buffer chamber 56 is formed between the inner surface of the outer shell 51 and the outer surface of the inner shell 52. A plurality of buffer components 57 are arranged in the buffer chamber 56, and the inner shell 52 is connected to the outer shell 51 through the buffer components 57; the humidification unit 4 is arranged between the air source unit 3 and the fan unit 5, and the humidification unit 4 is connected to the humidification chamber 55 through the second connecting pipe 22; the housing 1 is provided with an air outlet 12 on one side close to the fan unit 5, and is connected to the humidification chamber 55 through a third connecting pipe 23.

[0026] The noise reduction ventilator of this scheme has the fan assembly 53 introducing the gas of the air source unit 3 into the fan chamber 54, and then entering the humidification chamber 55 through the fan chamber 54. The humidification unit 4 then humidifies the gas in the humidification chamber 55, and then transmits it to the air outlet 12 through the third connecting pipe 23, and then transmits it to the breathing mask connected to it through the air outlet 12. In this process, the fan assembly 53 will generate relatively large noise. The vibration generated by the fan assembly 53 during operation is received by the buffer assembly 57 and will not directly act on the outer shell 51, thereby effectively reducing vibration, meeting the market demand, and having good market application value.

[0027] In this embodiment, Figure 1 As shown, the accommodating cavity 2 of the casing 1 is surrounded by a bottom plate and four side walls extending in the same direction perpendicular to the bottom plate from the periphery of the bottom plate, a sound insulation layer 13 is arranged between the side plate of the casing 1 and the side wall of the accommodating cavity 2, and the sound insulation layer 13 is laid along the inner surface of the casing 1.

[0028] Specifically, the bottom plate of the casing 1 extends vertically upward to form a accommodating chamber 2, and the installation positions of the air source unit 3, the humidification unit 4 and the fan unit 5 are set in the accommodating chamber 2, and a sound insulation layer 13 is laid in the gap between the side panel of the casing 1 and the side wall of the accommodating chamber 2.

[0029] Specifically, the sound insulation layer 13 is a sound-absorbing cotton layer, and the noise generated by the fan assembly 53 during operation is further reduced through the sound insulation layer 13 .

[0030] In this embodiment, Figure 2 As shown, a cover 14 is disposed on the upper side of the housing 1 , a hinge 15 is disposed on the rear side of the cover 14 and is rotatably connected to the housing 1 via the hinge 15 , and a display unit 16 is disposed on the upper side of the cover 14 .

[0031] Specifically, the cover 14 is an arc-shaped structure, and a display unit 16 is embedded in the upper surface of the cover 14. The display unit 16 is connected to the controller of the ventilator. The air source unit 3, the humidification unit 4 and the fan unit 5 are controlled through the display unit 16, and the operation information is displayed.

[0032] Specifically, a lock buckle 17 is provided on the front side of the machine cover 14 , and the machine cover 14 and the housing 1 are locked by the lock buckle 17 .

[0033] In this embodiment, Figure 1 As shown, the air source unit 3 includes a filter 31, and the filter 31 is arranged on one side of the accommodating cavity 2 of the casing 1. An air inlet 11 is arranged on one side of the casing 1 close to the filter 31 and is connected to the filter 31. The filter 31 is connected to the fan cavity 54 through a first connecting pipe 21.

[0034] Specifically, the filter 31 is arranged on the left side of the accommodating cavity 2 of the casing 1. On the left side of the casing 1, an air inlet 11 is arranged and connected with the filter 31, so that external air enters the filter 31 along the air inlet 11, and then the fan assembly 53 introduces the gas filtered by the filter 31 into the fan cavity 54.

[0035] Specifically, the air source unit 3 includes an air source part, which is a compressed air bottle, which is connected to the air inlet 11 located on the left side of the casing 1 through a connecting pipe. The gas in the compressed air bottle enters the filter 31 along the air inlet 11, and then the fan assembly 53 introduces the gas filtered by the filter 31 into the fan chamber 54.

[0036] In this embodiment, Figure 4 As shown, the inner shell 52 is a trapezoidal structure, and the maximum diameter of the fan cavity 54 is greater than the maximum diameter of the humidification cavity 55 .

[0037] Specifically, the outer shell 51 is adapted to the structure of the inner shell 52 and is of a trapezoidal structure, and the outer shell 51 is sleeved on the inner shell 52. The outer shell 51 is arranged on the right side of the accommodating chamber 2 of the casing 1, and a connecting port is provided at the upper and lower parts of the left side of the outer shell 51. The upper connecting port is connected to the fan chamber 54 so that the filter 31 of the air source unit 3 is connected to the fan chamber 54 through the first connecting pipe 21; the lower connecting port is connected to the humidification chamber 55 so that the humidification unit 4 is connected to the humidification chamber 55 through the second connecting pipe 22.

[0038] Specifically, the volume of the fan chamber 54 is greater than the volume of the humidification chamber 55, and the diameters of the fan chamber 54 and the humidification chamber 55 gradually decrease from back to front, so that the gas in the fan chamber 54 can quickly flow into the humidification chamber 55, causing the gas in the humidification chamber 55 to vibrate, so that the humidification unit 4 can humidify the gas in the humidification chamber 55 to achieve a better humidification effect.

[0039] In this embodiment, Figure 4 As shown, the buffer component 57 is arranged along the inner circumference of the outer shell 51 . The buffer component 57 is a buffer tube 58 with a hollow structure. An elastic ball 59 is arranged in the buffer tube 58 .

[0040] Specifically, the buffer tube 58 is a rubber tube, the elastic ball 59 is a rubber ball, and a plurality of elastic balls 59 are arranged at intervals in the buffer tube 58 to form a buffer assembly 57; the opposite sides of the buffer tube 58 are connected to the inner shell 52 and the outer shell 51; the buffer assembly 57 is arranged in parallel with the inner shell 52, and eight buffer assemblies 57 are arranged along the inner circumference of the outer shell 51. The inner shell 52 on which the fan assembly 53 is installed does not directly contact the outer shell 51. The vibration generated by the fan assembly 53 during operation is received by the buffer assembly 57 and absorbed by the buffer tube 58 and the elastic ball 59, and does not directly act on the outer shell 51, thereby effectively reducing vibration, meeting the requirements of use in a noise reduction environment, and catering to market demand.

[0041] In this embodiment, Figure 3 As shown, the humidification unit 4 includes a base 41, a connecting strip 42 and a humidifier 43. The base 41 is arranged on the bottom plate of the housing 1. The humidifier 43 is arranged on the base 41 through the connecting strip 42. The humidifier 43 is connected to the humidification chamber 55 through the second connecting pipe 22.

[0042] Specifically, a plurality of screw holes are provided on the bottom plate of the casing 1 which penetrate through the bottom plate and extend to the base 41 of the humidifying unit 4. Screws are provided in the screw holes. The screws are inserted into the screw holes of the bottom plate and the base 41 to connect the bottom plate of the casing 1 and the base 41.

[0043] Specifically, a plurality of screw holes are provided on the bottom plate of the casing 1 which penetrate through the bottom plate and extend to the base 41 and the connecting strip 42 . Screws are screwed into the screw holes to fix the base 41 on the bottom plate of the casing 1 and the connecting strip 42 on the base 41 .

[0044] In this embodiment, Figure 3 As shown, the two opposite ends of the connecting strip 42 extend toward the direction of the humidifier 43, and a buckle 44 is provided at the extension. The opposite sides of the humidifier 43 correspond to the position of the buckle 44, and a slot is provided. The buckle 44 is buckled into the slot to connect the connecting strip 42 and the humidifier 43.

[0045] Specifically, two connecting strips 42 are provided on the base 41 of the humidification unit 4, and the left and right ends of the connecting strips 42 extend upward and are bent, and a buckle 44 is provided on the inner side of the bend. The left and right sides of the bottom of the humidifier 43 correspond to the position of the buckle 44, and a slot is provided. The buckle 44 is designed to facilitate the removal and placement of the humidifier 43 and the addition of water.

[0046] Specifically, a connection port is provided on the right side of the humidifier 43, and the connection port is connected to the humidification chamber 55 through the second connection pipe 22; the gas of the air source unit 3 enters the filter 31 along the air inlet 11, and then the fan assembly 53 introduces the gas filtered by the filter 31 into the fan chamber 54, and enters the humidification chamber 55 through the fan chamber 54, and then the humidification unit 4 humidifies the gas in the humidification chamber 55, and then transmits it to the air outlet 12 through the third connection pipe 23, and then transmits it to the breathing mask connected to it through the air outlet 12.

[0047] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.

Claims

1. A noise reduction ventilator, used to reduce the noise generated during the use of the ventilator, characterized in that: The invention comprises a housing (1), an air source unit (3), a humidification unit (4) and a fan unit (5); the air source unit (3) is at least partially arranged in a receiving chamber (2) of the housing (1); the air source unit (3) is connected to the fan unit (5) via a first connecting pipe (21); the fan unit (5) comprises an outer housing (51), an inner housing (52) and a fan assembly (53); the inner housing (52) is provided with a fan chamber (54) and a humidification chamber (55); the fan assembly (53) is arranged in the fan chamber (54); the fan chamber (54) is connected to the humidification chamber (55) via a connecting port; The outer shell (51) is sleeved on the outer side of the inner shell (52); a buffer cavity (56) is formed between the inner surface of the outer shell (51) and the outer surface of the inner shell (52); a plurality of buffer components (57) are arranged in the buffer cavity (56); and the inner shell (52) is connected to the outer shell (51) via the buffer components (57); The humidification unit (4) is arranged between the air source unit (3) and the fan unit (5), and the humidification unit (4) is connected to the humidification chamber (55) through a second connecting pipe (22). The housing (1) is provided with an air outlet (12) on a side close to the fan unit (5), and is connected to the humidification chamber (55) through a third connecting pipe (23).

2. The noise reduction ventilator according to claim 1, characterized in that: The accommodating cavity (2) of the casing (1) is surrounded by a bottom plate and four side walls extending in the same direction perpendicular to the bottom plate from the periphery of the bottom plate, a sound insulation layer (13) is arranged between the side plates of the casing (1) and the side walls of the accommodating cavity (2), and the sound insulation layer (13) is laid along the inner surface of the casing (1).

3. The noise reduction ventilator according to claim 2, characterized in that: A cover (14) is arranged on the upper side of the housing (1), a hinge (15) is arranged on the rear side of the cover (14), and the cover is rotatably connected to the housing (1) via the hinge (15), and a display unit (16) is arranged on the upper side of the cover (14).

4. The noise reduction ventilator according to claim 1, characterized in that: The air source unit (3) comprises a filter (31), the filter (31) being arranged on one side of the accommodating chamber (2) of the housing (1), an air inlet (11) being arranged on a side of the housing (1) close to the filter (31) and being in communication with the filter (31), the filter (31) being in communication with the fan chamber (54) via a first connecting pipe (21).

5. The noise reduction ventilator according to claim 1, characterized in that: The inner shell (52) is a trapezoidal structure, and the maximum diameter of the fan chamber (54) is greater than the maximum diameter of the humidification chamber (55).

6. The noise reduction ventilator according to claim 5, characterized in that: The buffer component (57) is arranged along the inner circumference of the outer shell (51). The buffer component (57) is a buffer tube (58) with a hollow structure. An elastic ball (59) is arranged in the buffer tube (58).

7. The noise reduction ventilator according to claim 1, characterized in that: The humidifying unit (4) comprises a base (41), a connecting strip (42) and a humidifier (43); the base (41) is arranged on the bottom plate of the housing (1); the humidifier (43) is arranged on the base (41) via the connecting strip (42); and the humidifier (43) is connected to the humidifying chamber (55) via a second connecting pipe (22).

8. The noise reduction ventilator according to claim 7, characterized in that: The two opposite ends of the connecting strip (42) extend in the direction of the humidifier (43), and a buckle (44) is provided at the extension. The two opposite sides of the humidifier (43) correspond to the position of the buckle (44), and a slot is provided. The buckle (44) is buckled into the slot to connect the connecting strip (42) and the humidifier (43).

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