CN218794662U

CN218794662U - Efficient filtering device of oxygenerator

Info

Publication number: CN218794662U
Application number: CN202223375874.4U
Authority: CN
Inventors: 马旭东; 王德欣; 郭韦超; 何通
Original assignee: Handan Dayan Air Separation Equipment Co ltd
Current assignee: Handan Dayan Air Separation Equipment Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-07
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a high-efficiency filtering device of an oxygen generator, which comprises a casing, wherein the air inlet end of the casing is divided into two air inlets by a baffle plate, and primary filter screens are arranged at the two air inlets; an air inlet switching mechanism and a sterilization mechanism are arranged in the machine shell; the air inlet switching mechanism comprises a ball screw assembly and a flashboard, the flashboard is connected with the machine shell and the partition board in a sliding and sealing mode, and the ball screw assembly drives the flashboard to move so as to open and close the air inlet; the sterilization mechanism comprises a spiral groove, the spiral groove is fixedly connected with the casing, the spiral groove and the casing form a spiral channel communicated with the air inlet, a plurality of ultraviolet sterilization lamps are arranged in the spiral channel, and an air outlet communicated with the spiral channel is arranged at the top of the casing and right above the center of the spiral channel. The ball screw assembly drives the flashboard to seal one air inlet, and the other air inlet is used for air inlet, so that the primary filter screen is convenient to replace, and the normal operation of the equipment is not influenced; the air can flow in the spiral channel for a long time, and the ultraviolet germicidal lamp can fully sterilize the air.

Description

Efficient filtering device of oxygenerator

Technical Field

The utility model relates to the technical field of oxygenerators, in particular to a high-efficiency filter device of an oxygenerator.

Background

A molecular sieve type oxygen generator is characterized by that the air is pressed into an adsorption tower in which the molecular sieve is installed, the nitrogen gas and carbon dioxide in the air are adsorbed, the gas discharged from the adsorption tower is high-purity oxygen, when the adsorption tower is reached to a certain saturation degree, the air inlet valve is closed, the flushing valve is opened, the adsorption tower is fed into flushing stage, after the adsorption tower is reached to a certain saturation degree, the flushing valve is closed, the desorption valve is opened, and then the adsorption tower is fed into desorption regeneration stage, so that a circulation period is completed, and the separation of oxygen from air and storage can be implemented.

The filter equipment that current molecular sieve oxygenerator adsorption tower was used generally filters the dust in the air through crossing primary filter screen, crosses primary filter screen and need regularly dismantle filter equipment down and change the maintenance, and during, equipment need shut down for a long time for cause industry oxygenerating efficiency to reduce, the length that is limited to filter equipment simultaneously is less, and the speed that inside air straight line flows is fast, leads to the ultraviolet lamp that disinfects can't fully disinfect to the air.

The above description is included in the technical knowledge of the inventors, and does not necessarily constitute a prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a high-efficiency filtering device for an oxygen generator.

In order to achieve the purpose, the utility model provides a high-efficiency filtering device of an oxygen generator, which comprises a casing, wherein one end of the casing is an air inlet end, the air inlet end of the casing is provided with a baffle plate, the baffle plate divides the air inlet end of the casing into two air inlets, and primary-effect filtering screens are respectively arranged at the two air inlets; an air inlet switching mechanism and a sterilization mechanism are arranged in the machine shell; the air inlet switching mechanism comprises a ball screw assembly and a flashboard, the flashboard is connected with the machine shell and the partition board in a sliding and sealing mode, and the ball screw assembly drives the flashboard to move so as to open and close the air inlet; the sterilization mechanism comprises a spiral groove, the spiral groove is fixedly connected with the casing, the spiral groove and the casing form a spiral channel communicated with the air inlet, a plurality of ultraviolet sterilization lamps are arranged in the spiral channel, and an air outlet communicated with the spiral channel is formed in the top of the casing and is positioned right above the center of the spiral channel.

Preferably, the ball screw assembly comprises a screw rod, a nut pair and a polished rod, the screw rod is rotatably installed in the machine shell, the polished rod is fixedly installed in the machine shell and is parallel to the screw rod, the nut pair is installed on the screw rod in a threaded mode, and the nut pair is installed on the polished rod in a sliding mode.

Preferably, one end of the screw rod extends out of the shell and is provided with a hand wheel.

Preferably, a first sealing strip is installed on the gate plate, and the gate plate is connected with the machine shell in a sliding and sealing mode through the first sealing strip.

Preferably, a second sealing strip is installed on the partition plate, and the partition plate is connected with the gate plate in a sliding and sealing mode through the second sealing strip.

Preferably, the casing comprises circular part and rectangular part, the cross-section of which is circular, the primary filter screen is located in the rectangular part, and the spiral slot position is in the circular part.

Preferably, the spiral groove is made of a transparent material.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. the flashboard is in an opening state and a closing state, when the flashboard is in the opening state, the two air inlets are both in the opening state, and the two primary filter screens are used for filtering air simultaneously; when one of the primary filter screens needs to be replaced, the ball screw assembly drives the flashboard to move to a closed state to close the corresponding air inlet, and air is introduced from the other air inlet, so that the primary filter screens are convenient to replace, the normal operation of the equipment is not influenced, and the oxygen generation efficiency is improved;

2. air that the air inlet got into filters the back through the primary filter screen, gets into the spiral channel in, and the air flow reaches spiral channel center department at last, is discharged by the gas outlet, and the time that the air flowed in the spiral channel is long, and sterilamp can fully disinfect to the air to improve the air filtration effect.

Drawings

Fig. 1 is a schematic structural diagram (a shutter closed state) of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is a left side view of an embodiment of the present invention;

fig. 4 is another state diagram (shutter open state) of an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

in the figure, 1, a housing; 2. a partition plate; 3. an air inlet; 4. a primary filter screen; 5. a gate plate; 6. a helical groove; 7. a spiral channel; 8. an ultraviolet germicidal lamp; 9. an air outlet; 10. a screw rod; 11. a nut pair; 12. a polish rod; 13. a hand wheel; 14. a first seal strip; 15. a second seal strip; 16. a circular portion; 17. a rectangular portion.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 5, an embodiment of the present application provides a high efficiency filtering device of an oxygen generator, including a casing 1, one end of the casing 1 is an air inlet end, a partition plate 2 is disposed at the air inlet end of the casing 1, the partition plate 2 divides the air inlet end of the casing 1 into two air inlets 3, and primary filter screens 4 are mounted at the two air inlets 3; an air inlet switching mechanism and a sterilization mechanism are arranged in the machine shell 1; the air inlet switching mechanism comprises a ball screw 10 assembly and a gate plate 5, a first sealing strip 14 is mounted on the gate plate 5, the gate plate 5 is connected with the machine shell 1 in a sliding and sealing mode through the first sealing strip 14, a second sealing strip 15 is mounted on the partition plate 2, the partition plate 2 is connected with the gate plate 5 in a sliding and sealing mode through the second sealing strip 15, and the ball screw 10 assembly drives the gate plate 5 to move so as to open and close the air inlet 3; the sterilization mechanism comprises a spiral groove 6, the spiral groove 6 is fixedly connected with the machine shell 1, the spiral groove 6 and the machine shell 1 form a spiral channel 7 communicated with the air inlet 3, a plurality of ultraviolet sterilization lamps 8 are arranged in the spiral channel 7, and an air outlet 9 communicated with the spiral channel 7 is arranged at the top of the machine shell 1 and is positioned right above the center of the spiral channel 7.

The ball screw 10 assembly comprises a screw 10, a nut pair 11 and a polished rod 12, wherein the screw 10 is rotatably installed in the machine shell 1 through a bearing, the polished rod 12 is fixedly installed in the machine shell 1 and is arranged in parallel with the screw 10, the nut pair 11 is installed on the screw 10 in a threaded manner, the number of the thread pairs is two, and the nut pair 11 is installed on the polished rod 12 in a sliding manner; one end of the screw rod 10 extends out of the casing 1 and is provided with a hand wheel 13. By rotating the hand wheel 13, under the guiding action of the polished rod 12, the nut pair 11 realizes linear motion on the screw rod 10, and then drives the flashboard 5 to move.

In order to make the structure of the machine shell 1 more compact, reduce the occupied area and maximize the utilization of the space, the machine shell 1 is composed of a round part 16 with a round section and a rectangular part 17 with a rectangular section, the primary filter screen 4 is positioned in the rectangular part 17, and the spiral groove 6 is positioned in the round part 16.

In order to improve the sterilization effect of the ultraviolet sterilization lamp 8, the spiral groove 6 is made of transparent materials, the materials are transparent glass, transparent resin or transparent plastic, and the transparent materials can improve the penetrating performance of the ultraviolet sterilization lamp 8, so that the sterilization effect is improved.

When the air purifier works, the flashboard 5 is in an open state, the middle part of the flashboard 5 is positioned at the partition board 2, the two air inlets 3 cannot be closed, air entering from the air inlets 3 is filtered by the primary filter screen 4 and enters the spiral channel 7, the ultraviolet sterilization lamp 8 sterilizes the air, and finally the air flows to the center of the spiral channel 7 and is discharged from the air outlet 9;

when one primary filter screen 4 needs to be replaced, the hand wheel 13 is rotated, the screw rod 10 drives the nut pair 11 and the flashboard 5 to move, so that the flashboard 5 moves towards the primary filter screen 4 to be replaced, the first sealing strip 14 of the flashboard 5 is abutted against the side wall of the shell 1 to keep sealing, the flashboard 5 is abutted against the second sealing strip 15 to keep sealing with the partition plate 2, the air inlet 3 is sealed, air is introduced from the other air inlet 3 at the moment, the primary filter screen 4 is convenient to replace, and the normal operation of equipment is not influenced;

after the replacement is finished, the hand wheel 13 is rotated again, the screw rod 10 drives the nut pair 11 and the flashboard 5 to move towards the center of the partition board 2, the air inlet 3 is not sealed, the two air inlets 3 are in an open state, and the air is filtered by the two primary filter screens 4 at the same time.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims

1. The efficient filtering device of the oxygen generator comprises a machine shell (1), wherein one end of the machine shell (1) is an air inlet end, and the efficient filtering device is characterized in that a partition plate (2) is arranged at the air inlet end of the machine shell (1), the air inlet end of the machine shell (1) is divided into two air inlets (3) by the partition plate (2), and primary filter screens (4) are respectively arranged at the two air inlets (3); an air inlet switching mechanism and a sterilization mechanism are arranged in the machine shell (1); the air inlet switching mechanism comprises a ball screw (10) assembly and a flashboard (5), the flashboard (5) is connected with the machine shell (1) and the partition board (2) in a sliding and sealing mode, and the ball screw (10) assembly drives the flashboard (5) to move so as to open and close the air inlet (3); the sterilization mechanism comprises a spiral groove (6), the spiral groove (6) is fixedly connected with a machine shell (1), the spiral groove (6) and the machine shell (1) form a spiral channel (7) communicated with an air inlet (3), a plurality of ultraviolet sterilization lamps (8) are arranged in the spiral channel (7), and an air outlet (9) communicated with the spiral channel (7) is formed in the top of the machine shell (1) and is positioned right above the center of the spiral channel (7).

2. The efficient filter device of an oxygen generator according to claim 1, wherein the ball screw (10) assembly comprises a screw (10), a nut pair (11) and a polish rod (12), the screw (10) is rotatably installed in the casing (1), the polish rod (12) is fixedly installed in the casing (1) and is parallel to the screw (10), the nut pair (11) is threadedly installed on the screw (10), and the nut pair (11) is slidably installed on the polish rod (12).

3. The efficient filter device for the oxygen generator according to claim 2, wherein one end of the screw rod (10) extends out of the casing (1) and is provided with a hand wheel (13).

4. The efficient filter device for the oxygen generator according to claim 1, wherein the shutter plate (5) is provided with a first sealing strip (14), and the shutter plate (5) is connected with the casing (1) in a sliding and sealing manner through the first sealing strip (14).

5. The efficient filter device for the oxygen generator according to claim 1, wherein a second sealing strip (15) is installed on the partition plate (2), and the partition plate (2) is connected with the shutter plate (5) in a sliding and sealing mode through the second sealing strip (15).

6. The efficient filter device of the oxygen generator according to claim 1, wherein the casing (1) is composed of a circular part (16) with a circular cross section and a rectangular part (17) with a rectangular cross section, the primary filter screen (4) is positioned in the rectangular part (17), and the spiral groove (6) is positioned in the circular part (16).

7. The efficient filter device for oxygen generator as claimed in claim 1, wherein the spiral groove (6) is made of transparent material.