Portable pulse oxygen generator

Abstract

The embodiment of the utility model discloses a portable pulse oxygen generator which comprises a shell, a bottom shell, a top cover, a support, an air compressor and a PSA adsorption assembly, and the shell is of a backpack type structure; a bottom shell is arranged at the bottom of the shell, an air inlet is formed in the side face of the shell, and a top cover is arranged at the top of the shell; a support is arranged in the shell and fixed to the bottom shell, an air compressor is arranged in the support, and the air compressor is erected and connected with the support through a spring in a hoisting mode. An air inlet of the air compressor is connected with the air inlet, an air outlet of the air compressor is connected with an air inlet of the PSA adsorption assembly, and an air outlet of the PSA adsorption assembly is connected with the oxygen outlet. According to the air compressor, the air inlet and the air outlet can be effectively prevented from being blocked in the carrying process, the working vibration noise of the air compressor can be effectively eliminated, and the user experience is improved.

Description

Technical Field

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

[0002] The mainstream household oxygen concentrators on the market are mainly divided into continuous output and pulse types according to their working modes. The basic principle is to use an air compressor to compress high-pressure air into the molecular sieve for physical adsorption, and finally output 93% concentration of oxygen.

[0003] Among them, the continuous output oxygen concentrator is large in size, not easy to carry, and continuously outputs oxygen, which wastes a lot of resources. The pulse oxygen concentrator is small in size and light in weight, suitable for carrying. After it is turned on, it will only output oxygen during the inhalation process, and will not output oxygen in other situations. It can be seen that the pulse oxygen concentrator can save oxygen.

[0004] However, the pulse oxygen concentrators sold on the market have too many internal air pipe connection interfaces, the assembly process is relatively complicated, the reliability of the air connection is low, and the layout of the air inlet and exhaust ports is unreasonable. During the carrying process, the air inlet and outlet are easily blocked, affecting the oxygen concentration and heat dissipation efficiency, and the molecular sieve cannot be replaced.

[0005] In addition, the internal compressor of the pulse oxygen concentrator in the prior art has large vibration and noise during operation, and the user experience is poor. Utility Model Content

[0006] The purpose of the embodiments of the present application is to provide a portable pulse oxygen concentrator to solve at least one of the above-mentioned technical problems.

[0007] To achieve the above-mentioned purpose, the portable pulse oxygen concentrator provided in the embodiment of the present application includes a shell, a bottom shell, a top cover, a bracket, an air compressor and a PSA adsorption assembly, wherein the shell is configured as a backpack-type structure;

[0008] The bottom shell is arranged at the bottom of the shell, the side of the shell is arranged with an air inlet, the top cover is arranged at the top of the shell, and the top cover is arranged with an oxygen outlet;

[0009] The bracket is arranged in the outer shell, the bracket is fixed to the bottom shell, the air compressor is arranged in the bracket, the air compressor is upright and connected to the bracket by a spring suspension;

[0010] The air inlet of the air compressor is connected to the air inlet hole, the air outlet of the air compressor is connected to the air inlet of the PSA adsorption component, and the air outlet of the PSA adsorption component is connected to the oxygen outlet.

[0011] Furthermore, a battery compartment assembly is arranged at the bottom of the bottom shell, and a rechargeable lithium-ion battery is arranged in the battery compartment assembly.

[0012] Furthermore, a display screen is provided on the outer surface of the top cover, and the display screen is connected to a control mainboard assembly, and the control mainboard assembly is located on the inner side of the top cover.

[0013] Furthermore, the bracket is configured as a wrapping square bracket.

[0014] Furthermore, a valve assembly is provided between the air outlet of the air compressor and the air inlet of the PSA adsorption assembly.

[0015] Further, the valve assembly includes a left solenoid valve, a right solenoid valve, a left chamber and a right chamber;

[0016] The left solenoid valve is connected to the left chamber, and the left chamber is connected to the left molecular sieve barrel of the PSA adsorption assembly;

[0017] The right solenoid valve is connected to the right chamber, and the right chamber is connected to the right molecular sieve barrel of the PSA adsorption assembly.

[0018] Furthermore, the two air inlets of the PSA adsorption assembly are connected to the valve assembly via two air transmission shafts, the two air outlets of the PSA adsorption assembly are connected to the two inlets of the adapter assembly, the two outlets of the adapter assembly are connected to the oxygen storage tank assembly via two parallel air pipes, and the oxygen storage tank assembly is connected to the oxygen outlet.

[0019] Furthermore, an ultrasonic oxygen sensor is also arranged on the top of the bracket, and the ultrasonic oxygen sensor is used to detect the oxygen pressure in the oxygen storage tank assembly and control the oxygen output of the oxygen outlet according to the detection data.

[0020] Furthermore, a heat dissipation fan is arranged on the top of the bracket.

[0021] Furthermore, the heat dissipation fan adopts an adjustable speed fan, and the heat dissipation fan performs feedback speed regulation through a temperature sensor.

[0022] Compared with the prior art, the portable pulse oxygen concentrator provided in the embodiment of the present application has at least the following advantages:

[0023] 1. In the embodiment of the present application, since the shell is configured as a backpack-type structure, the device can be carried on the back, thereby improving the convenience of carrying. At the same time, the air inlet is arranged on the side and / or bottom, and the oxygen outlet is arranged on the top, thereby effectively avoiding the risk of blockage of the air inlet and the oxygen outlet during the use of the device.

[0024] 2. In the embodiment of the present application, since the air compressor is arranged vertically and suspended in the bracket by springs, the vibration noise caused by the air compressor during operation can be effectively eliminated.

[0025] 3. The gas circuit layout of the embodiment of the present application only uses four short air pipes for connection, which effectively reduces the air pipe connections. Therefore, not only is the gas circuit layout simple and the overall volume small, but also the problems of falling off and air leakage caused by the air pipe connection are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of a portable pulse oxygen concentrator provided in an embodiment of the present application.

[0027] Figure 2 yes Figure 1 Schematic diagram from another angle.

[0028] Figure 3 yes Figure 1 Schematic diagram of the explosion structure.

[0029] Figure 4 yes Figure 3 Schematic diagram from another angle.

[0030] Figure 5 yes Figure 1 Schematic diagram of the bottom shell structure. DETAILED DESCRIPTION

[0031] The technical solution of the present application will be clearly and completely described below in conjunction with specific implementation schemes, but those skilled in the art should understand that the implementation schemes described below are only used to illustrate the present application and should not be regarded as limiting the scope of the present application. Based on the implementation schemes in the present application, all other implementation schemes obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0032] like Figure 1-3 As shown, the portable pulse oxygen concentrator provided in the embodiment of the present application includes a shell 1, a bottom shell 2, a top cover 3, a bracket 4, an air compressor 5 and a PSA adsorption assembly 6, wherein the shell 1 is configured as a backpack-type structure;

[0033] A bottom shell 2 is provided at the bottom of the shell 1, and the shell 1 can be detachably fixedly connected to the bottom shell 2, for example, fixedly connected by screws, an air inlet 7 is provided on the side of the shell 1 and / or the bottom surface of the bottom shell 2, a top cover 3 is provided on the top of the shell 1, and an oxygen outlet 8 is provided on the top cover 3;

[0034] Obviously, since the shell 1 is set as a backpack-type structure, it can be carried on the back, which improves the convenience of carrying. At the same time, the air inlet 7 is set on the side and / or the bottom surface, and the oxygen outlet 8 is set on the top surface, so the risk of clogging the air inlet 7 and the oxygen outlet 8 during the use of the back is effectively avoided;

[0035] A bracket 4 is arranged in the housing 1, the bracket 4 is fixed to the bottom housing 2, an air compressor 5 is arranged in the bracket 4, the air compressor 5 is upright, and is suspended and connected to the bracket 4 by a spring 9, for example, the four corners of the air compressor 5 are suspended in the middle area of ​​the bracket 4 by the spring 9;

[0036] Obviously, the air compressor 5 is erected and the four corners are suspended in the bracket 4 by springs 9, which can effectively eliminate the vibration noise caused by its operation;

[0037] The air inlet of the air compressor 5 is connected to the air inlet hole 7 , and air filter cotton can be arranged between the air inlet and the air inlet hole 7 . The air outlet of the air compressor 5 is connected to the air inlet of the PSA adsorption component 6 , and the air outlet of the PSA adsorption component 6 is connected to the oxygen outlet 8 .

[0038] It can be seen that the embodiment of the present application can not only effectively avoid the blockage of the air inlet and outlet caused during the carrying process through the above configuration, but also effectively eliminate the working vibration noise of the air compressor 5, thereby improving the user experience.

[0039] In the present application embodiment, Figure 1 , Figure 3 As shown, a battery compartment assembly 21 is disposed at the bottom of the bottom shell 2, and the bottom shell 2 and the battery compartment assembly 21 are connected via a slide groove and are fastened and fixed via a buckle.

[0040] A rechargeable lithium-ion battery may be disposed in the battery compartment assembly 21 . The rechargeable lithium-ion battery is connected to a charging interface 22 . The charging interface 22 may be fixedly disposed on the housing 1 .

[0041] In addition, if Figure 5 As shown, a filter cotton 23 is arranged at the position of the air inlet hole 7 at the bottom of the bottom shell 2 , and the filter cotton 23 is fixed to the bottom of the bottom shell 2 through a pressure cover 24 .

[0042] In the embodiment of the present application, a display screen 31 is disposed on the outer surface of the top cover 3 , the display screen 31 is connected to a control mainboard assembly 32 , and the control mainboard assembly 32 is located on the inner side of the top cover 3 .

[0043] In addition, the control mainboard component 32 can also be connected to a temperature sensor, a pressure sensor and an altitude sensor to monitor temperature, pressure and altitude data respectively, and the monitoring data can also be displayed in real time through the display screen 31.

[0044] In the embodiment of the present application, the bracket 4 can be configured as a wrap-around square frame.

[0045] Obviously, since the bracket 4 is set as a wrapping structure, not only the noise generated by the air compressor 5 is isolated from the outside world, but also the hot air generated by the air compressor 5 can be isolated from the outside world to avoid temperature rise.

[0046] In the embodiment of the present application, a pilot valve assembly 41 may be provided between the air outlet of the air compressor 5 and the air inlet of the PSA adsorption assembly 6, and the valve assembly 41 includes a left solenoid valve, a right solenoid valve, a left chamber, and a right chamber;

[0047] The left solenoid valve is connected to the left chamber, and the left chamber is connected to the left molecular sieve barrel of the PSA adsorption assembly 6;

[0048] The right solenoid valve is connected to the right chamber, and the right chamber is connected to the right molecular sieve barrel of the PSA adsorption assembly 6.

[0049] The high-pressure gas generated by the air compressor 5 when working enters the valve assembly 41, and is opened and closed by the on-off control of the left and right solenoid valves to control the left and right chambers of the valve assembly 41, thereby controlling the adsorption and desorption of the left and right molecular sieve barrels of the input PSA adsorption assembly 6.

[0050] Specifically, the valve assembly 41 can be arranged on the top surface of the bracket 4 .

[0051] In the embodiment of the present application, the PSA adsorption assembly 6 is locked in the housing 1 by snap fastening.

[0052] like Figure 4 As shown, the two air inlets of the PSA adsorption assembly 6 are connected to the valve assembly 41 through two air transmission shafts 61, the two air outlets of the PSA adsorption assembly 6 are connected to the two inlets of the adapter assembly 62, the two outlets of the adapter assembly 62 are connected to the oxygen storage tank assembly 63 through two parallel air pipes, the oxygen storage tank assembly 63 is connected to the oxygen outlet 8, the oxygen outlet 8 can be sealed by a sealing ring, and the oxygen storage tank assembly 63 can be set on the top of the bracket 4.

[0053] At the same time, a solenoid valve can be provided on the adapter assembly 62 to control the internal pressure balance and nitrogen exhaust work of the left and right molecular sieve barrels. The on-off time of the solenoid valve can be calculated according to the sieve loading amount and the output gas parameters of the air compressor 5.

[0054] A one-way valve may be provided in the oxygen storage tank assembly 63 to prevent the produced oxygen from being adsorbed back into the PSA adsorption assembly 6 .

[0055] In the embodiment of the present application, an ultrasonic oxygen sensor 42 is further provided on the top of the bracket 4, and the ultrasonic oxygen sensor 42 is used to detect the oxygen pressure in the oxygen storage tank assembly 63, and control the oxygen output of the oxygen outlet 8 according to the detection data.

[0056] In the present application embodiment, Figure 3 As shown, a heat dissipation fan 43 is arranged in the housing 1, and the heat dissipation fan 43 is used to control the temperature in the housing 1 to prevent the air compressor 5 from generating high heat during operation, thereby causing the overall temperature of the product to rise.

[0057] Specifically, the heat dissipation fan 43 can be installed on the top of the bracket 4 or the top of the air compressor 5. The heat dissipation fan 43 can adopt an adjustable speed fan. The heat dissipation fan 43 performs feedback speed regulation through a temperature sensor to timely control the temperature.

[0058] More specifically, the heat dissipation fan 43 is connected to the heat dissipation hole 44, and the heat dissipation hole 44 can be set on the side of the bottom shell 2, so that cold air can flow directly through the air compressor 5 body to prevent hot air from running to other locations inside the product. At the same time, the nitrogen discharged from the PSA adsorption component 6 also enters the bracket 4, and the hot air and nitrogen are discharged to the outside of the shell through the fan pressure of the heat dissipation fan 43, thereby achieving efficient heat dissipation and nitrogen discharge.

[0059] To facilitate understanding of the gas flow direction of the portable pulse oxygen concentrator provided in the embodiment of the present application, it is further described as follows:

[0060] Air enters from the air inlet 7 on the side of the outer shell 1, is filtered through the air filter cotton and enters the air compressor 5, the air compressor 5 pressurizes the air, and enters the PSA adsorption assembly 6 through the valve assembly 41, and the PSA adsorption assembly 6 transports oxygen to the oxygen outlet 8 on the top cover 3 of the outer shell 1 through the oxygen storage tank assembly 63 and the ultrasonic oxygen sensor 42.

[0061] In summary, it can be seen that the entire gas circuit of the portable pulse oxygen concentrator provided in the embodiment of the present application is connected by only four short air pipes, which effectively reduces the air pipe connections. Therefore, not only is the gas circuit layout simple and the overall volume small, but it also avoids the problem of the air pipe connection easily falling off and leaking during long-term work.

[0062] The entire machine is stacked layer by layer both up and down and left and right, which further optimizes the space layout and reduces the overall size of the equipment.

[0063] Although the present application has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements may be made to the present application. Therefore, these modifications or improvements made without departing from the spirit of the present application all fall within the scope of protection claimed in the present application.

Claims

1. A portable pulse oxygen concentrator, characterized in that: It includes a shell, a bottom shell, a top cover, a bracket, an air compressor and a PSA adsorption component, wherein the shell is configured as a backpack-type structure; The bottom shell is arranged at the bottom of the shell, the side of the shell is arranged with an air inlet, the top cover is arranged at the top of the shell, and the top cover is arranged with an oxygen outlet; The bracket is arranged in the outer shell, the bracket is fixed to the bottom shell, the air compressor is arranged in the bracket, the air compressor is upright and connected to the bracket by a spring suspension; The air inlet of the air compressor is connected to the air inlet hole, the air outlet of the air compressor is connected to the air inlet of the PSA adsorption component, and the air outlet of the PSA adsorption component is connected to the oxygen outlet.

2. The portable pulse oxygen concentrator according to claim 1, characterized in that: A battery compartment assembly is arranged at the bottom of the bottom shell, and a rechargeable lithium-ion battery is arranged in the battery compartment assembly.

3. The portable pulse oxygen concentrator according to claim 1, characterized in that: A display screen is arranged on the outer surface of the top cover, and the display screen is connected to a control mainboard component, and the control mainboard component is located on the inner side of the top cover.

4. The portable pulse oxygen concentrator according to claim 1, characterized in that: The support is configured as a wrapping square frame.

5. The portable pulse oxygen concentrator according to claim 1, characterized in that: A valve assembly is arranged between the air outlet of the air compressor and the air inlet of the PSA adsorption assembly.

6. The portable pulse oxygen concentrator according to claim 5, characterized in that: The valve assembly includes a left solenoid valve, a right solenoid valve, a left chamber and a right chamber; The left solenoid valve is connected to the left chamber, and the left chamber is connected to the left molecular sieve barrel of the PSA adsorption assembly; The right solenoid valve is connected to the right chamber, and the right chamber is connected to the right molecular sieve barrel of the PSA adsorption assembly.

7. The portable pulse oxygen concentrator according to claim 5, characterized in that: The two air inlets of the PSA adsorption assembly are connected to the valve assembly through two air transmission shafts, the two air outlets of the PSA adsorption assembly are connected to the two inlets of the adapter assembly, the two outlets of the adapter assembly are connected to the oxygen storage tank assembly through two parallel air pipes, and the oxygen storage tank assembly is connected to the oxygen outlet.

8. The portable pulse oxygen concentrator according to claim 7, characterized in that: An ultrasonic oxygen sensor is also arranged on the top of the bracket, and the ultrasonic oxygen sensor is used to detect the oxygen pressure in the oxygen storage tank assembly and control the oxygen output of the oxygen outlet according to the detection data.

9. The portable pulse oxygen concentrator according to claim 1, characterized in that: A heat dissipation fan is arranged on the top of the bracket.

10. The portable pulse oxygen concentrator according to claim 9, characterized in that: The heat dissipation fan adopts an adjustable speed fan, and the heat dissipation fan performs speed regulation through feedback from a temperature sensor.

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