Portable pulse oxygen generator

Abstract

The utility model discloses a portable pulse oxygen generator which comprises an accommodating shell, a control circuit board, a compressor assembly and a cooling fan, the control circuit board and the compressor assembly are fixed in the accommodating shell; the compressor assembly comprises a compressor cover; the cooling fan is elastically fixed to the control circuit board or the compressor cover and used for buffering vibration noise in the operation process of the cooling fan. And an air outlet of the cooling fan is aligned with the circular hole in the control circuit board and the air inlet of the compressor cover and is used for blowing air to cool the compressor. According to the portable pulse oxygen generator, the cooling fan is elastically fixed on the circuit board, so that the vibration noise in the operation process of the fan can be greatly absorbed, the cooling fan and the control circuit board are clamped by the elastic piece, the firmness is improved, the problem that an existing portable pulse oxygen generator is large in noise is solved, and the use experience of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen concentrators, in particular to a portable pulse oxygen concentrator. Background Art

[0002] At present, with the increasing pressure and faster pace of modern life, home oxygen concentrators have become a very popular health care product. Oxygen therapy can improve the oxygen supply to the brain, relieve nerve fatigue, maintain vigorous energy, improve work efficiency and learning efficiency, reduce pollution and harm to the body in harsh environments, and to a certain extent delay aging and enhance metabolism.

[0003] At present, expensive portable pulse oxygen concentrators are becoming more and more popular. Portable pulse oxygen concentrators on the market are very compact in structure and need to use a small fan with ultra-high speed (speed up to 11000r / min) to assist in heat dissipation. The fixed fan is basically fixed directly on the circuit board or the compressor cover with four screws, so the vibration of the fan is directly transmitted to the whole machine, and the shock absorption and noise reduction effect is poor, which greatly reduces the comfort of use. Summary of the invention

[0004] The existing portable pulse oxygen concentrators are noisy, which reduces the user experience.

[0005] In view of the above problems, a portable pulse oxygen concentrator is proposed. By elastically fixing the cooling fan on the circuit board, the vibration noise during the operation of the fan can be greatly absorbed. By clamping the cooling fan and the control circuit board with elastic parts, the firmness is improved, which solves the problem of high noise in the existing portable pulse oxygen concentrator and improves the user experience.

[0006] A portable pulse oxygen concentrator, comprising:

[0007] A housing;

[0008] Control circuit board;

[0009] Compressor components;

[0010] Cooling fan;

[0011] The control circuit board and the compressor assembly are fixed in the accommodating shell;

[0012] The compressor assembly comprises:

[0013] Compressor cover;

[0014] The cooling fan is elastically fixed to the control circuit board or the compressor cover to buffer the vibration noise during the operation of the cooling fan;

[0015] The air outlet of the cooling fan is aligned with the circular hole on the control circuit board and the air inlet of the compressor cover, so as to blow air to cool the compressor.

[0016] In combination with the portable pulse oxygen concentrator described in the utility model, in a first possible implementation manner, the portable pulse oxygen concentrator further includes:

[0017] a plurality of elastic members;

[0018] The cooling fan is fixed to the control electric control board through the elastic member.

[0019] In combination with the first possible implementation of the utility model, in a second possible implementation, the cooling fan is provided with:

[0020] a plurality of first fixing holes;

[0021] Correspondingly, the control circuit board is provided with:

[0022] a plurality of second fixing holes;

[0023] The elastic member passes through the first fixing hole and the second fixing hole to fix the cooling fan.

[0024] In combination with the second possible implementation manner of the utility model, in a third possible implementation manner, the elastic member includes:

[0025] Limiting head;

[0026] A first holding portion;

[0027] A second holding portion;

[0028] Guide part;

[0029] The guide portion passes through the first fixing hole and the second fixing hole so that the first clamping portion and the second clamping portion clamp the cooling fan and the control circuit board respectively.

[0030] In combination with the third possible implementation manner of the utility model, in a fourth possible implementation manner, the length of the first clamping portion is slightly smaller than the thickness of the cooling fan, and the length of the second clamping portion is slightly smaller than the thickness of the control circuit board.

[0031] In combination with the fourth possible implementation manner of the utility model, in a fifth possible implementation manner, the guide portion includes:

[0032] Guide head;

[0033] Guide strips;

[0034] The guide strip integrally extends outward from the guide head, and is used to allow the cooling fan and the control circuit board to be respectively clamped into the first clamping portion and the second clamping portion by stretching.

[0035] In combination with the fifth possible implementation manner of the utility model, in a sixth possible implementation manner, the air inlet is circular;

[0036] The air outlet of the cooling fan is circular;

[0037] The air outlet, circular hole and air inlet of the cooling fan are of the same size.

[0038] In combination with the sixth possible implementation manner of the present utility model, in a seventh possible implementation manner, the number of the first fixing hole, the number of the second fixing hole and the number of the elastic member are all 4.

[0039] The portable pulse oxygen concentrator described in the utility model can greatly absorb the vibration noise during the operation of the fan by elastically fixing the cooling fan on the circuit board. The cooling fan and the control circuit board are clamped by elastic parts to improve the firmness, solve the problem of high noise in the existing portable pulse oxygen concentrator, and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0041] Figure 1 It is a schematic diagram of the internal structure of the portable pulse oxygen concentrator in the utility model;

[0042] Figure 2 This is a schematic diagram of the cooling fan and the control circuit board in the utility model;

[0043] Figure 3 It is a cross-sectional schematic diagram of the cooling fan and the control circuit board in the utility model;

[0044] Figure 4 It is a schematic diagram of the structure of the elastic member in the utility model;

[0045] The names of the parts indicated by the numbers in the accompanying drawings are: 100 - control circuit board, 110 - second fixing hole, 120 - circular hole, 200 - cooling fan, 210 - first fixing hole, 300 - compressor cover, 310 - air outlet, 400 - elastic member, 410 - limit head, 420 - first clamping part, 430 - second clamping part, 441 - guide head, 442 - guide strip. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, other embodiments obtained by ordinary technicians in this field without creative work are all within the scope of protection of the utility model.

[0047] The existing portable pulse oxygen concentrators are noisy, which reduces the user experience.

[0048] In view of the above problems, a portable pulse oxygen concentrator is proposed.

[0049] Example 1

[0050] A portable pulse oxygen concentrator, such as Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the internal structure of the portable pulse oxygen concentrator in the utility model. Figure 2 The utility model is a schematic diagram of the cooling fan and the control circuit board in the utility model; it includes a housing (not shown in the figure), a control circuit board 100, a compressor assembly (not shown in the figure), and a cooling fan 200; the control circuit board 100 and the compressor assembly (not shown in the figure) are fixed in the housing (not shown in the figure); the compressor assembly (not shown in the figure) includes a compressor cover 300; the cooling fan 200 is elastically fixed on the control circuit board 100 to buffer the vibration noise during the operation of the cooling fan 200; the air outlet of the cooling fan 200 is aligned with the circular hole 120 on the control circuit board 100 and the air inlet (not shown in the figure) of the compressor cover 300 to blow air to cool the compressor, such as Figure 3 , Figure 3 The schematic diagram of the cross section of the cooling fan and the control circuit board in the utility model. By elastically fixing the cooling fan 200 on the circuit board, the vibration noise during the operation of the fan can be greatly absorbed. By clamping the cooling fan 200 and the control circuit board 100 with the elastic member 400, the firmness is improved, the problem of high noise in the existing portable pulse oxygen concentrator is solved, and the user experience is improved.

[0051] Those skilled in the art know that the portable pulse oxygen concentrator also includes other components, such as an air intake filter assembly, an oxygen production valve, a molecular sieve assembly, an oxygen tank, a breathing valve, a cover assembly, a middle shell, a base, a battery assembly, etc.

[0052] In this embodiment, air inlets and air outlets are provided on the left and right sides of the middle shell of the portable pulse oxygen concentrator, a fan is installed on the circuit board, and an air inlet (not shown in the figure) and an air outlet 310 are provided on the compressor cover 300. External air enters the whole machine from the air inlet of the middle shell, and then is drawn into the air inlet (not shown in the figure) of the compressor cover 300 by the high-speed fan on the circuit board to blow and dissipate the compressor, and then comes out from the air outlet 310 of the compressor cover 300, and then is discharged from the air outlet of the middle shell to the outside of the whole machine. The cooling fan 200 is installed on the control circuit board 100 with screw holes, and the circuit board is also provided with a circular hole 120 matching the fan.

[0053] Specifically, the portable pulse oxygen concentrator further includes a plurality of elastic members 400 ; the cooling fan 200 is fixed to the control electronic control board through the elastic members 400 .

[0054] like Figure 2 The cooling fan 200 is provided with a plurality of first fixing holes 210 ; correspondingly, the control circuit board 100 is provided with: a plurality of second fixing holes 110 ; the elastic member 400 passes through the first fixing holes 210 and the second fixing holes 110 to fix the cooling fan 200 .

[0055] like Figure 4 , Figure 4 It is a schematic diagram of the elastic member structure in the utility model; the elastic member 400 includes a limit head 410, a first clamping portion 420, a second clamping portion 430, and a guide portion; the guide portion passes through the first fixing hole 210 and the second fixing hole 110 so that the first clamping portion 420 and the second clamping portion 430 clamp the cooling fan 200 and the control circuit board 100 respectively.

[0056] The elastic member 400 is strip-shaped, and the guide portion includes a guide head 441 and a guide strip 442; the guide strip 442 extends outward from the guide head 441 as a whole, and is used to stretch the cooling fan 200 and the control circuit board 100 so that they are respectively clamped into the first clamping portion 420 and the second clamping portion 430.

[0057] The clamping blocks of the first clamping portion 420 and the second clamping portion 430 are provided with chamfers to facilitate passing through the first fixing hole 210 and the second fixing hole 110 .

[0058] The guide head 441 is a conical structure, which is convenient for assembly. The guide strip 442 is for easy assembly and use. After assembly, the guide strip 442 can be cut off.

[0059] Preferably, the length of the first clamping portion 420 is slightly smaller than the thickness of the cooling fan 200 , and the length of the second clamping portion 430 is slightly smaller than the thickness of the control circuit board 100 , which is conducive to more firmly clamping the cooling fan and the control circuit board 100 .

[0060] Preferably, the air inlet (not shown in the figure) is circular; the air outlet 310 of the cooling fan 200 is circular;

[0061] Furthermore, the air outlet, the circular hole 120 and the air inlet (not shown in the figure) of the cooling fan 200 are of the same size.

[0062] Preferably, the number of the first fixing hole 210 , the number of the second fixing hole 110 and the number of the elastic member 400 are all four.

[0063] Example 2

[0064] In this embodiment, the cooling fan 200 may also be directly mounted on the compressor cover 300, with the air outlet of the cooling fan 200 aligned with the air inlet (not shown in the figure) of the compressor cover 300, thereby achieving heat dissipation by blowing air.

[0065] In this embodiment, the fixing method of the cooling fan 200 and the compressor cover 300 may be the same as that of the first embodiment.

[0066] The portable pulse oxygen concentrator of the utility model can greatly absorb the vibration noise during the operation of the fan by elastically fixing the cooling fan 200 on the circuit board. The cooling fan 200 and the control circuit board 100 are clamped by the elastic member 400 to improve the firmness, solve the problem of high noise in the existing portable pulse oxygen concentrator, and improve the user experience.

[0067] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable pulse oxygen concentrator, characterized in that: include: A housing; Control circuit board; Compressor components; Cooling fan; The control circuit board and the compressor assembly are fixed in the accommodating shell; The compressor assembly comprises: Compressor cover; The cooling fan is elastically fixed to the control circuit board or the compressor cover to buffer the vibration noise during the operation of the cooling fan; The air outlet of the cooling fan is aligned with the circular hole on the control circuit board and the air inlet of the compressor cover, so as to blow air to cool the compressor.

2. The portable pulse oxygen concentrator according to claim 1, characterized in that: The portable pulse oxygen concentrator also includes: a plurality of elastic members; The cooling fan is fixed on the control circuit board through the elastic member.

3. The portable pulse oxygen concentrator according to claim 2, characterized in that: The cooling fan is provided with: a plurality of first fixing holes; Correspondingly, the control circuit board is provided with: a plurality of second fixing holes; The elastic member passes through the first fixing hole and the second fixing hole to fix the cooling fan.

4. The portable pulse oxygen concentrator according to claim 3, characterized in that: The elastic member comprises: Limiting head; A first holding portion; A second holding portion; Guide part; The guide portion passes through the first fixing hole and the second fixing hole so that the first clamping portion and the second clamping portion clamp the cooling fan and the control circuit board respectively.

5. The portable pulse oxygen concentrator according to claim 4, characterized in that: The length of the first clamping portion is smaller than the thickness of the cooling fan, and the length of the second clamping portion is slightly smaller than the thickness of the control circuit board.

6. The portable pulse oxygen concentrator according to claim 5, characterized in that: The guide portion comprises: Guide head; Guide strips; The guide strip integrally extends outward from the guide head, and is used to allow the cooling fan and the control circuit board to be respectively clamped into the first clamping portion and the second clamping portion by stretching.

7. The portable pulse oxygen concentrator according to claim 1, characterized in that: The air inlet is circular; The air outlet of the cooling fan is circular; The air outlet, circular hole and air inlet of the cooling fan are of the same size.

8. The portable pulse oxygen concentrator according to claim 3, characterized in that: The number of the first fixing holes, the second fixing holes and the elastic members are all four.

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