CN2917756Y

CN2917756Y - Portable oxygenerator

Info

Publication number: CN2917756Y
Application number: CN 200620105552
Authority: CN
Inventors: 赵国大
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-11
Filing date: 2006-07-11
Publication date: 2007-07-04
Anticipated expiration: 2016-07-11

Abstract

The utility model relates to a portable oxygen maker with compact structure and light weight. The front end and the back end of a filter arranged inside a machine shell are connected with independent-intake air duct I and air duct III respectively. The tail end of the air duct III is connected with tube of mixed air I, while tail end of the tube of mixed air I is connected with front three-way electromagnetic valve and tube of mixed air II. Tail end of the tube of mixed air II is connected with absorption cylinder A. Right end of the absorption cylinder A is connected with oxygen tube II, oxygen tube I and oxygen tube III successively. A vacuum pump with left valve part and right valve part is provided. Tail end of the oxygen tube III is connected with the right valve part, and exit of the right valve part is connected with the oxygen tube IV. After connected with the air duct II, tail end of the tube of mixed air I is connected with back three-way electromagnetic valve and tube of mixed air III, with tail end of the tube of mixed air III is connected with absorption cylinder B. After connected with tail end of oxygen tube V, right end of the absorption cylinder B is connected with the oxygen tube I. The other ends of the front and back three-way electromagnetic valve are connected with nitrogen tube III and nitrogen tube II. After connected with tail end of the nitrogen tube II, the nitrogen tube III is connected with nitrogen tube IV. Tail end of the nitrogen tube IV is connected with the left valve part. Exit of the left valve part is connected with the nitrogen tube V. The utility model is used for making oxygen.

Description

Portable Oxygen generator

Technical field

The utility model relates to oxygenerator, particularly vacuum desorption formula Portable Oxygen generator.

Background technology

Oxygenerator is a kind of air separation equipment, and it selects airborne oxygen of adsorbing separation and nitrogen by adsorbent in the absorbing cylinder, and with collecting oxygen output, adsorbent is the desorption nitrogen regeneration again.The pressure swing adsorption oxygen adsorbing separation is carried out under relatively high pressure, and desorption carries out under relatively low pressure.Pressure swing adsorption oxygen has decompression desorption type and vacuum desorption type, and the former is adsorbed on, and to be higher than normal pressure be to carry out under the atmospheric pressure, and desorption is near carrying out under the normal pressure, and the latter is adsorbed near carrying out under the normal pressure, and desorption carries out being lower than under the normal pressure.

Vacuum desorption type Portable Oxygen generator has a kind of portable integrated change vacuum oxygenerator of No. 03234238.1 Patent publish of CN in the prior art, and its absorption, desorption and oxygen output need to realize with the adsorption chamber motion, is difficult to imagine its practical effect; A kind of vacuum desorption formula pressure swing adsorption oxygen of CN200420059726.4 patent disclosure is abortion amount oxygenerator, and its entity structure is difficult can portability.

Summary of the invention

The utility model to solve lack in the prior art rational in infrastructure, easy, the problem of practical Portable Oxygen generator, a kind of Portable Oxygen generator of the present utility model is provided for this reason, and air sucked automatically when this oxygenerator produced oxygen, need not to add the compressor input, adsorb, be separated near normal pressure or a little less than carrying out under the normal pressure, separate adsorption desorption and promptly be lower than normal pressure in negative pressure and carry out, compact overall structure, rationally, parts are less, in light weight, practical.

For addressing the above problem, the technical solution adopted in the utility model is to be provided with filter, absorbing cylinder A, absorbing cylinder B and control circuit board in casing, its special character is that the filter front and back ends is connected with respectively from inlet air pipe I and air hose III, air hose III rear end is connected with mixture pipe I, three-way magnetic valve and mixture pipe II before mixture pipe I rear end is connected with in succession, mixture pipe II rear end is connected in described absorbing cylinder A left end, and absorbing cylinder A right-hand member is connected with oxygen hose II, oxygen hose I and oxygen hose III in succession; Has the vavuum pump that contains left flap and right flap in the casing; Described oxygen hose III rear end is connected in right flap, and right flap delivery outlet is connected with oxygen hose IV; Be connected with air hose II its rear end on the described mixture pipe I and be connected with back three-way magnetic valve and mixture pipe III in succession, mixture pipe III rear end is connected in described absorbing cylinder B left end, and absorbing cylinder B right-hand member is connected with oxygen hose V its rear end and is connected in described oxygen hose I; The three-way magnetic valve and the back three-way magnetic valve other end are connected with nitrogen tube III and nitrogen tube II respectively before described, nitrogen tube III and nitrogen tube II rear end are connected with nitrogen tube IV in the lump, nitrogen tube IV rear end is connected in the left flap of described vavuum pump, and left flap delivery outlet is connected with nitrogen tube V (29) and nitrogen tube I in succession.

Be associated with check valve on the described nitrogen tube IV, described mixture pipe I links to each other with oxygen hose III with oxygen hose I, and mixture pipe I is provided with equalizing valve.

Between described nitrogen tube V and nitrogen tube I, be connected with trimmer valve.

Described casing inner bottom part is provided with cooling fan.

The utility model is owing to being provided with absorbing cylinder A and absorbing cylinder B, so the product oxygen that can circulate continuously; Because the utility model is provided with the vavuum pump of left flap and right flap, air can suck automatically for separating and produce oxygen output again, and nitrogen is then discharged from opposite side, and simple in structure, compact, in light weight, volume is little.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is Figure 1A-A sectional structure schematic diagram;

Fig. 3 is that Fig. 4 D-D analyses and observe partial schematic diagram;

Fig. 4 is Figure 1B-B sectional structure schematic diagram;

Fig. 5 is a cover schematic diagram before the utility model;

Fig. 6 is Fig. 1 C-C sectional structure schematic diagram;

Fig. 7 is the schematic diagram that the utility model comprises gas circuit structure.

Be labeled as among the figure: cover before 1,2 casings, 3 nitrogen tube I, 4 mixture pipe I, 5 equalizing valves, 6 oxygen hose I, 7 oxygen hose II, 8 trimmer valves, 9 mixture pipe II, 10 mixture pipe III, 11 absorbing cylinder A, 12 absorbing cylinder B, 13 oxygen hose III, 14 oxygen hose IV, 15 supply sockets, 16 oxygen hose V, 17 right flaps, 18 cooling fans, 19 vavuum pumps, 20 from inlet air pipe I, 21 filters, 22 nitrogen tube II, 23 nitrogen tube III, 24 back three-way magnetic valves, 25 air hose II, 26 preceding three-way magnetic valves, 27 left flaps, 28 nitrogen tube IV, 29 nitrogen tube V, 30 check valves, 31 nitrogen tube VI, 32 air hose III, 33 control circuit boards.

The specific embodiment

Portable Oxygen generator, casing (2) is provided with machine protecgulum 1, be provided with filter (21) in the casing, absorbing cylinder A (11), absorbing cylinder B (12) and control circuit board (33), filter (21) is preceding, the rear end is connected with respectively from inlet air pipe I (20) and air hose III (32), air hose III rear end is connected with mixture pipe I (4), mixture pipe I rear end is connected with preceding three-way magnetic valve (26) and mixture pipe II (9) in succession, mixture pipe II rear end is connected in described absorbing cylinder A (11) left end, and absorbing cylinder A right-hand member is connected with oxygen hose II (7) in succession, oxygen hose I (6) and oxygen hose III (13); Be provided with the vavuum pump (19) of tool left side flap (27) and right flap (17) in the casing; Described oxygen hose III (13) rear end is connected in right flap (17), and right flap (17) delivery outlet is connected with oxygen hose IV (14); Be connected with air hose II (25) its rear end on the described mixture pipe I (4) and be connected with back three-way magnetic valve (24) and mixture pipe III (10) in succession, mixture pipe III rear end is connected in described absorbing cylinder B (12) left end, and absorbing cylinder B right-hand member is connected with oxygen hose V (16) its rear end and is connected in described oxygen hose I (6); The three-way magnetic valve (26) and back three-way magnetic valve (24) other end are connected with nitrogen tube III (23) and nitrogen tube II (22) respectively before described, nitrogen tube III and nitrogen tube II rear end are connected with nitrogen tube IV (31) in the lump, be associated with check valve (30) on the nitrogen tube IV (31), nitrogen tube IV rear end is connected in the left flap (27) of described vavuum pump, and left flap delivery outlet is connected with nitrogen tube V (29), trimmer valve (8) and nitrogen tube I (3) in succession; Mixture pipe I (4) links to each other with oxygen hose III (13) with oxygen hose I (6), and mixture pipe I (4) is provided with equalizing valve (5); The casing inner bottom part is provided with cooling fan (18).

Referring to 1, Fig. 7,19 runnings of the utility model start vavuum pump, air is from sucking automatically from inlet air pipe I20, enter absorbing cylinder A11 left side through filter 21, air hose III32, mixture pipe I4, preceding three-way magnetic valve 26, mixture pipe II9, nitrogen in the tube in the zeolite molecular sieve absorbed air of filling realizes that finally oxygen/nitrogen separates; The oxygen of enrichment is by oxygen hose II7, oxygen hose I6, oxygen hose III13, right flap 17, oxygen hose IV14 output finished product oxygen; This produces the oxygen process for programme-control absorbing cylinder All absorption, and absorbing cylinder B realizes desorption and regeneration therebetween.

When programme-control absorbing cylinder B12 produces oxygen, air is from sucking automatically from inlet air pipe I20, enter absorbing cylinder B12 left side through filter 21, air hose III32, mixture pipe I4, air hose II25, back three-way magnetic valve 24, mixture pipe III10, oxygen is produced in realization absorption; The oxygen overwhelming majority is by oxygen hose V16, oxygen hose I6, oxygen hose III13, right flap 17, oxygen hose IV14 output; Minor amounts of oxygen enters oxygen hose II7 input absorbing cylinder A11 right side from oxygen hose V16 simultaneously, at vavuum pump 19 left flaps 27 is (its suction is greater than right flap) under the left cylinder-suction effect, this part oxygen flows to left side (make adsorbent reactivation more thorough) from absorbing cylinder A right side, follow the nitrogen of separating adsorption desorption from the output of absorbing cylinder A left side, discharge by the preceding three-way magnetic valve 26 after mixture pipe II9, the switching, nitrogen tube III23, nitrogen tube VI31, check valve 30, nitrogen tube IV28, left flap 27, nitrogen tube V29, trimmer valve 8, nitrogen tube I3 emptying; Adsorbent is regenerated in the absorbing cylinder A.The desorption and regeneration of above-mentioned absorbing cylinder B similarly.Preceding three-way magnetic valve 26, back three-way magnetic valve 24 are advancing the alternately switching of air and denitrogen gas interprocedual.

Claims

1, Portable Oxygen generator, be provided with filter (21), absorbing cylinder A (11), absorbing cylinder B (12) and control circuit board (33) in the casing (2), it is characterized in that filter (21) front and back ends is connected with respectively from inlet air pipe I (20) and air hose III (32), air hose III rear end is connected with mixture pipe I (4), mixture pipe I rear end is connected with preceding three-way magnetic valve (26) and mixture pipe II (9) in succession, mixture pipe II rear end is connected in described absorbing cylinder A (11) left end, and absorbing cylinder A right-hand member is connected with oxygen hose II (7), oxygen hose I (6) and oxygen hose III (13) in succession; Be provided with the vavuum pump (19) of tool left side flap (27) and right flap (17) in the casing; Described oxygen hose III (13) rear end is connected in right flap (17), and right flap (17) delivery outlet is connected with oxygen hose IV (14); Be connected with air hose II (25) its rear end on the described mixture pipe I (4) and be connected with back three-way magnetic valve (24) and mixture pipe III (10) in succession, mixture pipe III rear end is connected in described absorbing cylinder B (12) left end, and absorbing cylinder B right-hand member is connected with oxygen hose V (16) its rear end and is connected in described oxygen hose I (6); The three-way magnetic valve (26) and back three-way magnetic valve (24) other end are connected with nitrogen tube III (23) and nitrogen tube II (22) respectively before described, nitrogen tube III and nitrogen tube II rear end are connected with nitrogen tube IV (31) in the lump, nitrogen tube IV rear end is connected in the left flap (27) of described vavuum pump, and left flap delivery outlet is connected with nitrogen tube V (29) and nitrogen tube I (3) in succession.

2, Portable Oxygen generator as claimed in claim 1 is characterized in that described nitrogen tube IV (31) is associated with check valve (30), and described mixture pipe I (4) links to each other with oxygen hose III (13) with oxygen hose I (6), and mixture pipe I (4) is provided with equalizing valve (5).

3, Portable Oxygen generator as claimed in claim 1 or 2 is characterized in that being connected with trimmer valve (8) between described nitrogen tube V (29) and the nitrogen tube I (3).

4, Portable Oxygen generator as claimed in claim 3 is characterized in that the casing inner bottom part is provided with cooling fan (18).