Gas supply device and VPSA oxygen production equipment

Abstract

The utility model provides a gas supply device and VPSA (Vacuum Pressure Swing Adsorption) oxygen production equipment. The air supply device comprises a mounting body, an air blower and an air compressor. Wherein the mounting body is provided with a mounting cavity. The air blower is installed in the installation cavity and used for being communicated with a pneumatic valve. The air compressor is installed in the installation cavity and used for being communicated with the pneumatic valve so as to control the pneumatic valve to be opened or closed. The air blower for providing low-pressure air and the air compressor for providing high-pressure air are arranged in the mounting body, so that pipeline connection is facilitated, the size of the air supply device is reduced, and the problem that in the prior art, a low-pressure air source and a high-pressure air source are arranged separately, and consequently the occupied area is large is solved; meanwhile, the air blower and the air compressor can share one set of power distribution facility and control system, so that the cost of the VPSA oxygen production equipment is reduced. In addition, the mounting body can achieve the effects of sound insulation and noise reduction, and the use experience of the VPSA oxygen production equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen production, in particular to a gas supply device and VPSA oxygen production equipment. Background Art

[0002] The air supply source of the VPSA oxygen concentrator in the prior art is a blower, and its air source pressure is generally less than 50kpa; and the valve body required in the VPSA oxygen concentrator is generally a pneumatic valve, and its required opening pressure is basically greater than 200kpa, which results in the VPSA oxygen concentrator providing a high-pressure air source to drive the pneumatic valve on the basis of providing a low-pressure air source, that is, the VPSA oxygen concentrator in the prior art is respectively equipped with a set of low-pressure air source and a set of high-pressure air source, and they are placed separately. Therefore, the air source setting of the VPSA oxygen concentrator in the prior art occupies a large area, has a high installation cost, and needs to reserve installation space for two sets of air sources. Utility Model Content

[0003] Based on this, it is necessary to provide a gas supply device and a VPSA oxygen generator to address the problems that the gas source of the VPSA oxygen generator in the prior art occupies a large area, has a high installation cost, and requires reserving installation space for two sets of gas sources.

[0004] The technical solution is as follows:

[0005] On the one hand, a gas supply device is provided, which is applied to a VPSA oxygen production equipment; comprising:

[0006] A mounting body, wherein the mounting body is provided with a mounting cavity;

[0007] a blower, the blower being installed in the installation cavity and being used for communicating with the pneumatic valve; and

[0008] An air compressor is installed in the installation cavity and is used to communicate with the pneumatic valve to control the opening or closing of the pneumatic valve.

[0009] The technical solution is further described below:

[0010] In one of the embodiments, the air supply device further includes a first mounting frame, the first mounting frame is installed in the mounting cavity, the blower is installed on the first mounting frame and is spaced apart from the inner wall of the mounting cavity.

[0011] In one embodiment, the air supply device further includes a shock absorbing member, the shock absorbing member is mounted on the first mounting frame, and the blower is mounted on the shock absorbing member.

[0012] In one embodiment, the outer wall of the mounting body is provided with a first mounting hole connected to the mounting cavity, the first mounting frame and the inner wall of the mounting cavity are arranged to form a mounting space, and the outer wall of the first mounting frame is provided with a second mounting hole connected to the mounting space; the air supply device also includes an exhaust flange, an elbow flange and a muffler, the exhaust flange is passed through the first mounting hole, the elbow flange is passed through the second mounting hole, the muffler is located in the mounting cavity, one end of the muffler is connected to the exhaust flange, the other end of the muffler extends into the mounting space and is connected to one end of the elbow flange located in the mounting space, and the other end of the elbow flange is connected to the air outlet of the blower.

[0013] In one of the embodiments, the outer wall of the first mounting frame is provided with at least one heat dissipation hole communicating with the mounting space.

[0014] In one embodiment, the outer wall of the mounting body is further provided with a third mounting hole connected to the mounting cavity, and the air supply device also includes an air intake flange, an air intake valve, a conversion flange, an air intake filter box and a controller, the air intake flange is passed through the third mounting hole, the air intake valve, the conversion flange and the air intake filter box are all located in the mounting cavity, the conversion flange has a first end, a second end and a third end connected to each other, the air intake flange is connected to the air intake valve, the air intake valve is connected to the first end, the second end is connected to the air intake filter box, the third end is connected to the air inlet of the blower, and the controller is communicatively connected to the air intake valve, the blower and the air compressor.

[0015] In one embodiment, the air supply device further comprises a second mounting frame, the second mounting frame is mounted in the mounting cavity, the air compressor is mounted on the second mounting frame and is spaced apart from the inner wall of the mounting cavity;

[0016] And / or, the blower and the air compressor are arranged at intervals.

[0017] In one of the embodiments, an outer wall of the mounting body is provided with a heat dissipation port for connecting the external environment and the mounting cavity, and the air supply device further includes a heat dissipation element, which is installed in the mounting cavity.

[0018] In one of the embodiments, the air supply device further includes a silencer installed on the inner wall of the installation cavity.

[0019] On the other hand, a VPSA oxygen production device is provided, comprising a pneumatic valve, an adsorber and the gas supply device, wherein the gas supply device is correspondingly connected to the pneumatic valve, and the pneumatic valve is connected to the adsorber.

[0020] The gas supply device and VPSA oxygen generator in the above embodiment, by arranging the blower for providing low-pressure gas and the air compressor for providing high-pressure gas in the installation body, facilitates pipeline connection, reduces the volume of the gas supply device, and solves the problem of large floor space caused by separate arrangement of low-pressure gas source and high-pressure gas source in the prior art. At the same time, the blower and the air compressor can share a set of power distribution facilities and control system, reducing the cost of the VPSA oxygen generator. In addition, the installation body can also play a role in sound insulation and noise reduction, improving the user experience of the VPSA oxygen generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application.

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] FIG. 1 is a schematic structural diagram of an air supply device according to an embodiment.

[0024] FIG. 2 is a schematic diagram of the structure of the air supply device of FIG. 1 after a portion of the installation body is removed.

[0025] FIG. 3 is a schematic structural diagram of the air supply device of FIG. 2 from another perspective.

[0026] Description of reference numerals:

[0027] 10. Air supply device; 100. Installation body; 110. Installation cavity; 120. Heat dissipation port; 200. Blower; 300. Air compressor; 400. First installation frame; 410. Heat dissipation hole; 500. Shock absorber; 600. Exhaust flange; 700. Elbow flange; 800. Muffler; 900. Inlet flange; 1000. Inlet valve; 1100. Conversion flange; 1200. Inlet filter box; 1300. Second installation frame; 1400. Heat dissipation member. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0029] In one embodiment, a VPSA oxygen generator is provided, comprising a pneumatic valve, an adsorber, and a gas supply device 10, wherein the gas supply device 10 is correspondingly connected to the pneumatic valve, and the pneumatic valve is connected to the adsorber. Thus, when the VPSA oxygen generator is in use, the gas supply device 10 delivers high-pressure gas to the pneumatic valve, so that after the pneumatic valve is opened, the gas supply device 10 then provides low-pressure gas and delivers it to the adsorber through the pneumatic valve, thereby enabling the adsorber to adsorb the low-pressure gas to produce oxygen.

[0030] As shown in FIG. 1 , FIG. 2 and FIG. 3 , in one embodiment, a gas supply device 10 is provided, which is applied to a VPSA oxygen production device; the gas supply device 10 includes a mounting body 100, a blower 200 and an air compressor 300. The mounting body 100 is provided with a mounting cavity 110. The blower 200 is installed in the mounting cavity 110 and is used to communicate with the pneumatic valve. The air compressor 300 is installed in the mounting cavity 110 and is used to communicate with the pneumatic valve to control the pneumatic valve to open or close.

[0031] The gas supply device 10 in the above embodiment, by arranging the blower 200 providing low-pressure gas and the air compressor 300 providing high-pressure gas in the installation body 100, facilitates pipeline connection, reduces the volume of the gas supply device 10, and solves the problem of large floor space caused by the separate arrangement of low-pressure gas source and high-pressure gas source in the prior art. At the same time, the blower 200 and the air compressor 300 can share a set of power distribution facilities and control systems, reducing the cost of the VPSA oxygen generator. In addition, the installation body 100 can also play a role in sound insulation and noise reduction, improving the user experience of the VPSA oxygen generator.

[0032] The air compressor 300 is a device that can compress and raise air to a certain pressure. The blower 200 and the air compressor 300 can be arranged in a front-to-back manner or in an up-and-down manner in the installation cavity 110 .

[0033] As shown in Fig. 2 and Fig. 3, the air supply device 10 further includes a first mounting frame 400, the first mounting frame 400 is mounted in the mounting cavity 110, and the blower 200 is mounted on the first mounting frame 400 and is spaced apart from the inner wall of the mounting cavity 110. In this way, the contact area between the blower 200 and the gas in the mounting cavity 110 is increased, so that the heat dissipation rate of the blower 200 is increased, and the reliability of the air supply device 10 is improved.

[0034] Specifically in this embodiment, the first mounting frame 400 includes a first frame and a second frame, the first frame is installed on the inner wall of the mounting cavity 110, and the second frame is installed on the first frame. The blower 200 includes a motor and a head, the motor is installed on the second frame, and the head is installed on the first frame.

[0035] As shown in Fig. 2 and Fig. 3, the air supply device 10 may further include a shock absorbing member 500, which is mounted on the first mounting frame 400, and the blower 200 is mounted on the shock absorbing member 500. In this way, the shock absorbing member 500 may also play a role in shock absorption, so that the vibration of the blower 200 is reduced, thereby improving the reliability of the air supply device 10.

[0036] The shock absorbing member 500 can be configured as a shock absorbing block, a shock absorbing pad or other shock absorbing structures. The number of the shock absorbing members 500 can be flexibly adjusted according to the actual needs of use. Specifically in this embodiment, at least one shock absorbing member 500 is installed on the first frame, and the machine head is installed on the first frame through at least one shock absorbing member 500. At least one shock absorbing member 500 is installed on the second frame, and the motor is installed on the second frame through at least one shock absorbing member 500.

[0037] As shown in Figures 2 and 3, in one embodiment, the outer wall of the mounting body 100 is provided with a first mounting hole connected to the mounting cavity 110, the first mounting frame 400 and the inner wall of the mounting cavity 110 are surrounded to form an installation space, and the outer wall of the first mounting frame 400 is provided with a second mounting hole connected to the installation space; the air supply device 10 also includes an exhaust flange 600, an elbow flange 700 and a muffler 800, the exhaust flange 600 is penetrated through the first mounting hole, the elbow flange 700 is penetrated through the second mounting hole, the muffler 800 is located in the mounting cavity 110, one end of the muffler 800 is connected to the exhaust flange 600, the other end of the muffler 800 extends into the installation space and is connected to one end of the elbow flange 700 located in the installation space, and the other end of the elbow flange 700 is connected to the air outlet of the blower 200. In this way, the space inside the first mounting frame 400 can be fully and reasonably utilized, so that the layout of the components in the mounting cavity 110 is more reasonable and compact, the volume of the air supply device 10 can be further reduced, and the practicality of the air supply device 10 is improved.

[0038] As shown in FIG. 2 and FIG. 3 , in this embodiment, the outer wall of the first mounting frame 400 is provided with at least one heat dissipation hole 410 connected to the mounting space. In this way, the components in the mounting space can be cooled through the heat dissipation hole 410, ensuring that the mounting cavity 110 will not have a local over-temperature phenomenon, thereby improving the reliability of the air supply device 10.

[0039] The number of the heat dissipation holes 410 can be flexibly adjusted according to actual use requirements. Specifically, there are four heat dissipation holes 410, which are respectively arranged on two opposite outer side walls of the first mounting frame 400.

[0040] As shown in Figures 2 and 3, optionally, the outer wall of the mounting body 100 is further provided with a third mounting hole connected to the mounting cavity 110, and the air supply device 10 also includes an air intake flange 900, an air intake valve 1000, a conversion flange 1100, an air intake filter box 1200 and a controller. The air intake flange 900 is passed through the third mounting hole, and the air intake valve 1000, the conversion flange 1100 and the air intake filter box 1200 are all located in the mounting cavity 110. The conversion flange 1100 has a first end, a second end and a third end that are interconnected. The air intake flange 900 is connected to the air intake valve 1000, the air intake valve 1000 is connected to the first end, the second end is connected to the air intake filter box 1200, and the third end is connected to the air inlet of the blower 200. The controller is communicatively connected to the air intake valve 1000, the blower 200 and the air compressor 300. In this way, the blower 200 and the air compressor 300 can be controlled by the same controller, and two sets of air source control logic are set in the controller to achieve the purpose of common control, maximize the utilization of the blower 200 and the air compressor 300, and improve the practicality of the air supply device 10.

[0041] The controller may be a single chip microcomputer, an editable logic controller or other control structure. The controller is connected to the air intake valve 1000, the blower 200 and the air compressor 300 by data lines, wires, Bluetooth, wireless communication network technology or other communication methods.

[0042] As shown in Fig. 2 and Fig. 3, in one embodiment, the air supply device 10 further includes a second mounting frame 1300, which is mounted in the mounting cavity 110, and the air compressor 300 is mounted on the second mounting frame 1300 and is spaced apart from the inner wall of the mounting cavity 110. In this way, the contact area between the air compressor 300 and the gas in the mounting cavity 110 is increased, so that the heat dissipation rate of the air compressor 300 is increased, and the reliability of the air supply device 10 is improved.

[0043] The number of the second mounting racks 1300 can be flexibly adjusted according to actual use requirements. Specifically in this embodiment, the number of the second mounting racks 1300 is two, and the two second mounting racks 1300 are arranged at intervals to support the two ends of the air compressor 300 respectively.

[0044] Specifically in this embodiment, the blower 200 and the air compressor 300 are arranged at a distance. In this way, while ensuring that there is no interference between the blower 200 and the air compressor 300, the blower 200 and the air compressor 300 can both maintain the maximum heat dissipation rate, thereby improving the reliability of the air supply device 10.

[0045] As shown in Fig. 2 and Fig. 3, in one embodiment, the outer wall of the installation body 100 is provided with a heat dissipation port 120 for connecting the external environment and the installation cavity 110, and the air supply device 10 further includes a heat dissipation member 1400, which is installed in the installation cavity 110. In this way, the heat dissipation member 1400 can accelerate the heat exchange rate between the installation cavity 110 and the external environment, ensure that the components in the installation cavity 110 will not fail due to excessive temperature, and improve the reliability of the air supply device 10.

[0046] The heat sink 1400 may be any heat sink structure in the prior art. Specifically in this embodiment, the heat sink 1400 includes a fan and a heat exchanger, and the heat exchanger is installed at the air outlet of the fan.

[0047] In one embodiment, the air supply device 10 further includes a muffler, which is installed on the inner wall of the installation cavity 110. In this way, the muffler can further isolate and eliminate the noise generated by the blower 200, so that when the air supply device 10 is used, the noise heard by the user is reduced, or even no noise is heard, thereby improving the experience of the air supply device 10.

[0048] Among them, the sound-absorbing component can be set as sound-absorbing cotton, sound-absorbing foam, sound-absorbing board or other sound-absorbing structures.

[0049] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0050] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0052] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0054] It should also be understood that when explaining the connection relationship or positional relationship of elements, although not explicitly described, the connection relationship and positional relationship are interpreted as including an error range, which should be within the acceptable deviation range of a specific value determined by those skilled in the art. For example, "approximately", "approximately" or "substantially" may mean within one or more standard deviations, which are not limited here.

[0055] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A gas supply device, applied to VPSA oxygen production equipment; characterized in that: include: A mounting body, wherein the mounting body is provided with a mounting cavity; A blower, the blower is installed in the installation cavity and is used to communicate with the pneumatic valve; and An air compressor is installed in the installation cavity and is used to communicate with the pneumatic valve to control the opening or closing of the pneumatic valve.

2. The air supply device according to claim 1, characterized in that: The air supply device further comprises a first mounting frame, wherein the first mounting frame is mounted in the mounting cavity, and the blower is mounted on the first mounting frame and spaced apart from the inner wall of the mounting cavity.

3. The air supply device according to claim 2, characterized in that: The air supply device further comprises a shock absorbing member, wherein the shock absorbing member is mounted on the first mounting frame, and the blower is mounted on the shock absorbing member.

4. The air supply device according to claim 2, characterized in that: The outer wall of the mounting body is provided with a first mounting hole connected to the mounting cavity, the first mounting frame and the inner wall of the mounting cavity are arranged to form a mounting space, and the outer wall of the first mounting frame is provided with a second mounting hole connected to the mounting space; the air supply device also includes an exhaust flange, an elbow flange and a muffler, the exhaust flange is passed through the first mounting hole, the elbow flange is passed through the second mounting hole, the muffler is located in the mounting cavity, one end of the muffler is connected to the exhaust flange, the other end of the muffler extends into the mounting space and is connected to one end of the elbow flange located in the mounting space, and the other end of the elbow flange is connected to the air outlet of the blower.

5. The air supply device according to claim 4, characterized in that: The outer wall of the first mounting frame is provided with at least one heat dissipation hole communicating with the mounting space.

6. The air supply device according to claim 4, characterized in that: The outer wall of the mounting body is also provided with a third mounting hole connected to the mounting cavity. The air supply device also includes an intake flange, an intake valve, a conversion flange, an intake filter box and a controller. The intake flange is passed through the third mounting hole. The intake valve, the conversion flange and the intake filter box are all located in the mounting cavity. The conversion flange has a first end, a second end and a third end that are interconnected. The intake flange is connected to the intake valve, the intake valve is connected to the first end, the second end is connected to the intake filter box, and the third end is connected to the air inlet of the blower. The controller is communicatively connected to the intake valve, the blower and the air compressor.

7. The air supply device according to any one of claims 1 to 6, characterized in that: The air supply device further comprises a second mounting frame, the second mounting frame is mounted in the mounting cavity, the air compressor is mounted on the second mounting frame and is spaced apart from the inner wall of the mounting cavity; And / or, the blower and the air compressor are arranged at intervals.

8. The air supply device according to any one of claims 1 to 6, characterized in that: The outer wall of the installation body is provided with a heat dissipation port for connecting the external environment and the installation cavity. The air supply device also includes a heat dissipation element, which is installed in the installation cavity.

9. The air supply device according to any one of claims 1 to 6, characterized in that: The air supply device further comprises a silencer, and the silencer is installed on the inner wall of the installation cavity.

10. A VPSA oxygen production equipment, characterized in that: It comprises a pneumatic valve, an adsorber and the gas supply device according to any one of claims 1 to 9, wherein the gas supply device is correspondingly connected to the pneumatic valve, and the pneumatic valve is connected to the adsorber.

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