Variable-frequency vacuum adsorption vpsa oxygen generator

Abstract

The utility model discloses a variable-frequency vacuum adsorption vpsa oxygen generator which comprises an oxygen generator main body, an air blower is mounted on one side of the oxygen generator main body, and a bearing seat is arranged at the bottom of the oxygen generator main body; a plurality of supporting plates are arranged at the top of the bearing seat at equal intervals, a heat dissipation mechanism used for blowing air upwards is arranged in an inner cavity of the bearing seat, and water storage mechanisms used for cooling are arranged on the two sides of the bottom of the bearing seat; the plurality of communicating holes are formed in the top of the water storage tank; the water inlet and outlet assembly is arranged on the outer wall of the water storage tank. Through the arrangement mode that the bearing seat, the heat dissipation mechanism and the water storage mechanism are matched, when the heat dissipation mechanism rotates to dissipate heat, water vapor can be brought upwards, the water vapor and air can be matched to blow and dissipate heat to the oxygen generator main body and the air blower, the influence of hot air around the oxygen generator main body is reduced, the hot air can be quickly dissipated upwards, and the service life of the oxygen generator main body is prolonged. The oxygen generation stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen concentrators, in particular to a variable frequency vacuum adsorption (VPSA) oxygen concentrator. Background Art

[0002] VPSA oxygen generator is a mechanical device, mainly composed of a blower, vacuum pump, switching valve, adsorber and oxygen balance tank. It is an industrial oxygen production equipment VPSA, PSA oxygen production equipment, pressurized adsorption variable frequency vacuum desorption oxygen production equipment, that is, under the condition of penetrating atmospheric pressure, VPSA special molecular sieve is used to selectively adsorb impurities such as nitrogen, carbon dioxide and water in the air, and the molecular sieve is desorbed under vacuum conditions, thereby cyclically producing high-purity oxygen.

[0003] Application No. 202021033035.2 discloses a two-bed vacuum pressure swing adsorption oxygen generator, including a connecting frame, wherein the left and right sides of the top of the connecting frame are fixedly connected to oxygen tanks, and the inner sides of the oxygen tanks are connected to connecting pipes. The above-mentioned oxygen generator opens the two oxygen tanks through a controller to separate the oxygen in the air, thereby achieving the effect of oxygen production. During the operation of the oxygen tanks, the blower extracts external air and discharges it into the oxygen tanks through an extension pipe, which can change the interior of the oxygen tanks from a vacuum state to a low-pressure state, thereby achieving the effect of maintaining the internal pressure of the oxygen tanks, improving the pressure stability, and saving the need for an external air compressor to continuously vacuum the interior of the oxygen tanks. However, during the oxygen production process, the continuous driving of the blower and the vacuum pump can easily cause a large amount of heat to be generated, resulting in an increase in the ambient temperature of the oxygen generator. The heat is easily transferred to the oxygen tanks, affecting the production stability of oxygen in the oxygen tanks. Utility Model Content

[0004] The purpose of the utility model is to provide a variable frequency vacuum adsorption VPSA oxygen generator to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a variable frequency vacuum adsorption vpsa oxygen concentrator, comprising: an oxygen concentrator body, a blower is installed on one side of the oxygen concentrator body, and a bearing seat is provided at the bottom of the oxygen concentrator body;

[0006] The top of the support base is fixedly connected with a plurality of support plates at equal intervals. The inner cavity of the support base is provided with a heat dissipation mechanism for blowing air upwards. Both sides of the bottom of the support base are provided with water storage mechanisms for cooling. The water storage mechanisms include:

[0007] A water storage tank is provided at the bottom of the supporting base;

[0008] A plurality of communication holes, wherein the plurality of communication holes are opened on the top of the water storage tank;

[0009] The water inlet and outlet components are arranged on the outer wall of the water storage tank, and the inner cavity of the water storage tank is loaded with water.

[0010] Preferably, the heat dissipation mechanism includes:

[0011] A servo motor is fixed to the middle of the supporting base;

[0012] A plurality of rotating rods, wherein the bottoms of the plurality of rotating rods are rotatably interlaced with the bottom of the inner wall of the bearing seat through bearings;

[0013] A plurality of synchronization components, wherein the synchronization components are arranged between adjacent rotation rods;

[0014] A plurality of fan blades are fixedly inserted into the tops of adjacent rotating rods.

[0015] Preferably, the servo motor is in transmission connection with the bottom of one of the rotating rods, and the oxygen concentrator body is installed on the upper surfaces of a plurality of support plates.

[0016] Preferably, the bottom of the inner cavity of the water storage tank is arranged in an inclined surface, and the outer wall of the supporting seat is provided with a plurality of ventilation holes.

[0017] Preferably, the water inlet and outlet components include:

[0018] A water pipe, the water pipe is fixedly inserted into the outside of the water storage tank;

[0019] A rotating head, the rotating head being rotatably inserted into one end of the water pipe via a sealed bearing;

[0020] A water hopper, the water hopper being fixed vertically to one end of the rotating head;

[0021] The limiting frame is fixed to the outer wall of the bearing seat in a horizontal state.

[0022] Preferably, the water hopper is movably connected to the inner cavity of the adjacent limiting frame, and the height of the water hopper is higher than the inner cavity height of the water storage tank.

[0023] The technical effects and advantages of this utility model are:

[0024] The utility model adopts the arrangement mode of matching the bearing seat, the heat dissipation mechanism and the water storage mechanism, and utilizes the water storage tank below the heat dissipation mechanism so that when the heat dissipation mechanism rotates to dissipate heat, it can bring water vapor upward, making it convenient for the water vapor and wind to cooperate to blow air to dissipate heat to the oxygen concentrator body and the blower, reducing the influence of heat around the oxygen concentrator body, allowing the heat to dissipate quickly upward, and improving the stability of oxygen production. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1It is a schematic diagram of the overall front sectional structure of the utility model.

[0026] Figure 2 For this utility model Figure 1 Schematic diagram of the locally enlarged structure at point A in the middle.

[0027] Figure 3 It is a schematic diagram of the overall structure of the water hopper of the utility model.

[0028] In the figure: 1. Oxygen concentrator body; 2. Blower; 3. Bearing seat; 4. Support plate; 5. Heat dissipation mechanism; 51. Servo motor; 52. Rotating rod; 53. Synchronous component; 54. Fan blade; 6. Water storage mechanism; 61. Water storage tank; 62. Connecting hole; 63. Water inlet and outlet components; 631. Water pipe; 632. Rotating head; 633. Water hopper; 634. Limiting frame; 7. Ventilation hole. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] The utility model provides Figure 1-3 The variable frequency vacuum adsorption VPSA oxygen concentrator shown includes:

[0031] The oxygen concentrator body 1 has a blower 2 installed on one side of the oxygen concentrator body 1, a bearing seat 3 is provided at the bottom of the oxygen concentrator body 1, and the top of the bearing seat 3 is a trough structure;

[0032] Furthermore, a plurality of support plates 4 are fixedly connected to the top of the support base 3 at equal intervals, and there is a gap between two adjacent support plates 4 to facilitate the escape of gas from the inner cavity of the support base 3. The oxygen concentrator body 1 is mounted on the upper surface of the plurality of support plates 4 so that the oxygen concentrator body 1 can be stably supported.

[0033] The heat dissipation mechanism 5 for blowing air upward is provided in the inner cavity of the supporting seat 3, and the heat dissipation mechanism 5 includes: a servo motor 51, a plurality of rotating rods 52, a plurality of synchronous components 53 and a plurality of fan blades 54. The servo motor 51 is fixed to the middle part of the supporting seat 3, and the servo motor 51 is transmission-connected to the bottom of one of the rotating rods 52. The servo motor 51 is electrically connected to the external power supply through an external switch. The bottoms of the plurality of rotating rods 52 are rotationally interlaced with the bottom of the inner wall of the supporting seat 3 through bearings. The synchronous component 53 is arranged between adjacent rotating rods 52. The synchronous component 53 includes two synchronous wheels and a synchronous belt. The synchronous belt is arranged between two relatively synchronous wheels. The plurality of synchronous wheels are fixed to the outer walls of two adjacent rotating rods 52 so that the plurality of rotating rods 52 can rotate synchronously. The fan blades 54 are fixed and interlaced at the tops of the adjacent rotating rods 52. By driving the servo motor 51, one of the rotating rods 52 can be rotated, so that the plurality of rotating rods 52 can rotate synchronously, so that the plurality of fan blades 54 can rotate stably in the inner cavity of the supporting seat 3, so that the fan blades 54 can blow air upward.

[0034] Furthermore, water storage mechanisms 6 for cooling are provided on both sides of the bottom of the supporting base 3. The water storage mechanism 6 includes: a water tank 61, a plurality of communicating holes 62 and a water inlet and outlet assembly 63. The water tank 61 is provided at the bottom of the supporting base 3. The inner cavity of the water tank 61 is loaded with water, so that when the fan blades 54 rotate, the water vapor in the inner cavity of the water tank 61 can be blown upward with the wind, thereby increasing the cooling efficiency of the oxygen concentrator body 1 and the periphery of the blower 2. A plurality of communicating holes 62 are provided at the top of the water tank 61, and the communicating holes 62 are communicated with the inner cavity of the supporting base 3 and the water tank 61.

[0035] Specifically, the bottom of the inner cavity of the water tank 61 is arranged in an inclined surface, and the height of the inner wall of the two water tanks 61 at the opposite end is higher than the height of the inner wall of the two water tanks 61 at the opposite end. The inclined surface of the water tank 61 is convenient for reducing the amount of water residue in the inner cavity of the water tank 61 when the water is cleaned. The outer wall of the support base 3 is provided with multiple ventilation holes 7, so that the air in the inner cavity of the support base 3 can circulate smoothly.

[0036] Specifically, the water inlet and outlet assembly 63 is arranged on the outer wall of the water storage tank 61, and the water inlet and outlet assembly 63 includes: a water pipe 631, a rotating head 632, a water bucket 633 and a limiting frame 634. The water pipe 631 is fixedly inserted into the outside of the water storage tank 61, so that the water in the inner cavity of the water storage tank 61 can enter and exit through the water pipe 631. The rotating head 632 rotates and inserts one end of the water pipe 631 through a sealed bearing. The water bucket 633 is fixed to one end of the rotating head 632 in a vertical direction. The limiting frame 634 is fixed to the outer wall of the bearing seat 3 in a horizontal state. The water bucket 633 and the inner cavity of the adjacent limiting frame 634 are movable. The height of the water hopper 633 is higher than the height of the inner cavity of the water storage tank 61. By setting the water hopper 633 upward, the limiting frame 634 can clamp the water hopper 633, so that the water hopper 633 can maintain its upward position unchanged, and it is convenient to fill water into the inner cavity of the water storage tank 61. When the water hopper 633 is pulled away from the limiting frame 634 and the water hopper 633 is facing downward, the water in the inner cavity of the water storage tank 61 can be discharged through the water pipe 631 and the water hopper 633, thereby improving the convenience of water entering and exiting the inner cavity of the water storage tank 61, so that the water can cool the oxygen generator body 1 and the blower 2, and improve the stability of oxygen production.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A variable frequency vacuum adsorption vpsa oxygen concentrator, comprising: An oxygen concentrator body (1), a blower (2) is installed on one side of the oxygen concentrator body (1), and a bearing seat (3) is provided at the bottom of the oxygen concentrator body (1); The invention is characterized in that: a plurality of support plates (4) are fixedly connected to the top of the bearing seat (3) at equal intervals; a heat dissipation mechanism (5) for blowing air upward is provided in the inner cavity of the bearing seat (3); water storage mechanisms (6) for cooling are provided on both sides of the bottom of the bearing seat (3); and the water storage mechanisms (6) include: A water storage tank (61), wherein the water storage tank (61) is provided at the bottom of the supporting base (3); A plurality of communication holes (62), wherein the plurality of communication holes (62) are opened on the top of the water storage tank (61); A water inlet and outlet assembly (63) is provided on the outer wall of the water storage tank (61), and the inner cavity of the water storage tank (61) is loaded with water.

2. A variable frequency vacuum adsorption vpsa oxygen concentrator according to claim 1, characterized in that: The heat dissipation mechanism (5) comprises: A servo motor (51), wherein the servo motor (51) is fixed to the middle of the supporting base (3); A plurality of rotating rods (52), the bottoms of the plurality of rotating rods (52) being rotatably interlaced with the bottom of the inner wall of the bearing seat (3) via bearings; A plurality of synchronization components (53), wherein the synchronization components (53) are arranged between adjacent rotation rods (52); A plurality of fan blades (54) are fixedly inserted into the tops of adjacent rotating rods (52).

3. A variable frequency vacuum adsorption vpsa oxygen concentrator according to claim 2, characterized in that: The servo motor (51) is in transmission connection with the bottom of one of the rotating rods (52), and the oxygen concentrator body (1) is mounted on the upper surfaces of a plurality of support plates (4).

4. A variable frequency vacuum adsorption vpsa oxygen concentrator according to claim 2, characterized in that: The bottom of the inner cavity of the water storage tank (61) is arranged in an inclined surface, and the outer wall of the supporting seat (3) is provided with a plurality of ventilation holes (7).

5. A variable frequency vacuum adsorption vpsa oxygen concentrator according to claim 2, characterized in that: The water inlet and outlet assembly (63) comprises: A water pipe (631), the water pipe (631) is fixedly inserted into the outside of the water storage tank (61); A rotating head (632), the rotating head (632) is rotatably inserted into one end of the water pipe (631) via a sealed bearing; A water hopper (633), wherein the water hopper (633) is fixed to one end of the rotating head (632) in a vertical direction; A limiting frame (634) is fixed to the outer wall of the bearing seat (3) in a horizontal state.

6. A variable frequency vacuum adsorption vpsa oxygen concentrator according to claim 5, characterized in that: The water hopper (633) is movably engaged with the inner cavity of the adjacent limiting frame (634), and the height of the water hopper (633) is higher than the inner cavity height of the water storage tank (61).

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