CN208603714U - A kind of micro portable oxygenerator - Google Patents
A kind of micro portable oxygenerator Download PDFInfo
- Publication number
- CN208603714U CN208603714U CN201820956115.1U CN201820956115U CN208603714U CN 208603714 U CN208603714 U CN 208603714U CN 201820956115 U CN201820956115 U CN 201820956115U CN 208603714 U CN208603714 U CN 208603714U
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- China
- Prior art keywords
- oxygen
- valve
- group
- molecular sieve
- sieve adsorber
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- Separation Of Gases By Adsorption (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The utility model discloses a kind of micro portable oxygenerators, including front housing (1), circuit control panel (2), operating surface board group (3), oxygen production unit (4), right side plate (5), rear shell (6), pedestal group (7), left plate (8), power supply (9), exhaust noise silencing group (17), inlet air filtration noise reduction group (23)；The utility model structure height is integrated, small in size, light-weight, be convenient for carrying, and is provided simultaneously with the multifunctional working mode of continuous oxygen supply and pulse oxygen supply.Nitrogen is directly discharged into outside casing, and exhaust gas is prevented to be again introduced into air pump and molecular sieve adsorber, guarantees the oxygen purity and stability of flow of output.Using micro porous filtration noise reduction technology, guarantee the noise that air pump is reduced while air pump stability of flow.
Description
Technical field
The utility model relates to normal pressure oxygen generating plant technical field, specifically a kind of micro portable oxygenerator.
Background technique
Oxygenerator is widely used in the crowd of oxygen therapy and oxygen health care, as the middle-aged and the old, pregnant woman, teacher, for a long time from
The student of thing mental labour, researcher, company clerk etc..Traditional oxygenerator weight is big, volume is big, noise is big, and
Single power supply uses, and it is very inconvenient to carry, and the oxygen pressure manufactured is low, flow velocity cannot go deep into lung's gas slowly
Pipe.
Utility model content
The purpose of this utility model is to provide a kind of micro portable oxygenerators, to solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of micro portable oxygenerator, including front housing 1, circuit control panel 2, operating surface board group 3, oxygen production unit 4, right side plate
5, rear shell 6, pedestal group 7, left plate 8, power supply 9, exhaust noise silencing group 17, inlet air filtration noise reduction group 23；The front housing 1 and rear shell 6
It is connected and fixed with operating surface board group 3, pedestal group 7, the left plate 8 and right side plate 5 and operating surface board group 3, pedestal group 7, front housing
1, rear shell 6 is connected and fixed, and the oxygen production unit 4 is connected and fixed with operating surface board group 3 and pedestal group 7；The oxygen production unit 4 includes
Oil-free air pump 21, the first molecular sieve adsorber 18 and the second molecular sieve adsorber 22, the first solenoid valve 19A, second solenoid valve
19B, air cylinder manifold 20, oxygen confluence group 16；The circuit control panel 2 simultaneously with the first solenoid valve 19A, second solenoid valve
19B, oxygen confluence group 16 are electrically connected.
The micro portable oxygenerator, the exhaust noise silencing group 17 are fixed in 4 side of oxygen production unit, the inlet air filtration
Noise reduction group 23 is fixed in 4 another side of oxygen production unit, and the power supply 9 is fixedly connected with 4 side of oxygen production unit, the circuit control
Plate 2 is fixedly connected with 4 other side of oxygen production unit.
The micro portable oxygenerator is provided with oxygen exhaust 10, key 11 and external power supply in the operating surface board group 3
Interface 12；Key 11 is used to control the power switch of oxygenerator；Oxygen exhaust 10 is connected internally to pulse gas supplying valve 30 and pressure regulator valve
34,10 external connection user's oxygen uptake attachment of oxygen exhaust.
The micro portable oxygenerator is provided with air inlet 13 and heat radiation air outlet 14 on the front housing 1；Heat dissipation outlet air
Radiator fans are arranged in mouth 14, are transported to exterior space for will generate heat inside oxygenerator, external fresh cold air passes through
Air inlet 13 enters enclosure interior.
The micro portable oxygenerator is provided with denitrogen mouth 15 in the pedestal group 7, and connection exhaust disappears inside denitrogen mouth
Sound group 17, outside is directly to idle discharge gas.
The micro portable oxygenerator, first molecular sieve adsorber 18 and 22 both ends of the second molecular sieve adsorber point
It is not fixedly connected with oxygen confluence group 16 and air cylinder manifold 20；First molecular sieve adsorber 18 and the second molecular sieve adsorber 22
Connected respectively with the first solenoid valve 19A, second solenoid valve 19B into air end, the first molecular sieve adsorber 18 and the second molecule
The outlet side for sieving absorber 22 is connected with flow controller 24, equalizing valve 25, the first check valve 26, second one-way valve 27 respectively.
The micro portable oxygenerator, oxygen confluence group 16 includes: flow controller 24, pulse oxygen supply flow controller 31, continuous
Flow controller 35, equalizing valve 25, the first check valve 26, second one-way valve 27 are supplied oxygen, pulse gas supplying valve 30, is adjusted continuous oxygen supply valve 33
Pressure valve 34, oxygen container 29；Flow controller 24, pulse oxygen supply flow controller 31, continuous oxygen supply flow controller 35, equalizing valve 25, first are unidirectional
By one piece of air-passage connection board connection, equalizing valve 25 is connected to for valve 26, pulse gas supplying valve 30, continuous oxygen supply valve 33, pressure regulator valve 34
Between first molecular sieve adsorber 18, the second molecular sieve adsorber 22, the first check valve 26,27 one end of second one-way valve connect respectively
The first molecular sieve adsorber 18, the second molecular sieve adsorber 22 are connect, the other end is merged into a pipeline and is connected to oxygen container
29, two-way gas circuit is provided between oxygen container 29 and oxygen exhaust 10, all the way continuously to supply oxygen gas circuit: including sequentially connected company
Continuous oxygen supply valve 33, pressure regulator valve 34, continuous oxygen supply flow controller 35, another way is pulse oxygen supply gas circuit: including sequentially connected pulse
Steam supply valve 30, pulse oxygen supply flow controller 31；Continuous oxygen supply gas circuit and pulse oxygen supply gas circuit are connected to after merging by oxygen exhaust 10
User's oxygen uptake attachment；Flow controller 24 connects between the first molecular sieve adsorber 18, the second molecular sieve adsorber 22.
The micro portable oxygenerator, the oil-free air pump 21 are fixedly connected with air cylinder manifold 20, oil-free air pump 21
The compressed gas of generation is directly entered air cylinder manifold 20 by air circuit connection.
The micro portable oxygenerator, oxygen exhaust 10 are connected with monitoring of respiration sensor 32, for curing by oxygen therapy the pressure of pipeline
Power monitoring or tiny flow quantity monitoring.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model structure height is integrated, small in size, light-weight, be convenient for carrying, and is provided simultaneously with continuous oxygen supply and arteries and veins
Rush the multifunctional working mode of oxygen supply.Compressed air is provided using oil-free air pump, following for solenoid valve is controlled by circuit control panel
Ring cutting changes jobs, and generates high-purity oxygen.
2, nitrogen is directly discharged into outside casing, and exhaust gas is prevented to be again introduced into air pump and molecular sieve adsorber, guarantees output
Oxygen purity and stability of flow.Using micro porous filtration noise reduction technology, guarantee the noise that air pump is reduced while air pump stability of flow.
The easily sucking impurity such as dust, hair is obstructed by primary air filter cotton and enters air pump, to protect the normal work of molecular sieve.
3, main heating device air pump, power supply, molecular sieve adsorber are carried out by fan, air inlet and heat radiation air outlet
Heat dissipation, avoid as temperature it is excessively high caused by system job insecurity, while also extending the service life of oxygenerator.
Detailed description of the invention
Fig. 1 is the structure composition schematic diagram of the utility model.
Fig. 2 is the outside port schematic diagram of the utility model.
Fig. 3 is the outside port schematic diagram of the utility model.
Fig. 4 is the oxygen production unit structure composition schematic diagram of the utility model.
Fig. 5 is the work gas circuit schematic diagram of the utility model.
1, front housing, 2, circuit control panel, 3, operating surface board group, 4, oxygen production unit, 5, right side plate, 6, rear shell, 7, pedestal
Group, 8, left plate, 9, power supply, 10, oxygen exhaust, 11, key, 12, external power interface, 13, air inlet, 14, heat radiation air outlet,
15, denitrogen mouth, 16, oxygen confluence group, 17, exhaust noise silencing group, the 18, first molecular sieve adsorber, 19A, the first solenoid valve, 19B,
Second solenoid valve, 20, air cylinder manifold, 21, oil-free air pump, the 22, second molecular sieve adsorber, 23, inlet air filtration noise reduction group,
24, flow controller, 25, equalizing valve, the 26, first check valve, 27, second one-way valve, 28, storage oxygen filling pressure monitoring sensor, 29, storage
Oxygen fills, 30, pulse gas supplying valve, 31, pulse oxygen supply flow controller, 32, monitoring of respiration sensor, 33, continuous oxygen supply valve, 34, pressure regulation
Valve, 35, continuously supply oxygen flow controller.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.
Please refer to Fig. 1-4, in the utility model embodiment, a kind of micro portable oxygenerator, including front housing 1, circuit control
Plate 2, operating surface board group 3, oxygen production unit 4, right side plate 5, rear shell 6, pedestal group 7, left plate 8, power supply 9, exhaust noise silencing group 17, into
Gas filters noise reduction group 23；The front housing 1 and rear shell 6 are connected and fixed with operating surface board group 3 and pedestal group 7,8 He of left plate
Right side plate 5 is connected and fixed with 3 pedestal group 7 of operating surface board group and front housing 1 and rear shell 6, the oxygen production unit 4 and operating surface board group 3
It is connected and fixed with pedestal group 7.
The oxygen production unit 4 includes oil-free air pump 21, the first molecular sieve adsorber 18 and the second molecular sieve adsorber 22, the
One solenoid valve 19A, second solenoid valve 19B, air cylinder manifold 20, oxygen confluence group 16, the exhaust noise silencing group 17 is in oxygen list processed
First 4 sides are fixed, and the inlet air filtration noise reduction group 23 is fixed in 4 another side of oxygen production unit, the power supply 9 and oxygen production unit 4
Side is fixedly connected, and the circuit control panel 2 is fixedly connected with 4 other side of oxygen production unit；The circuit control panel 2 is simultaneously with the
One solenoid valve 19A, second solenoid valve 19B, oxygen confluence group 16 are electrically connected.
Oxygen exhaust 10, key 11 and external power interface 12 are provided in the operating surface board group 3.Key 11 is for controlling
The power switch of oxygenerator；Oxygen exhaust 10 is connected internally to pulse gas supplying valve 30 and pressure regulator valve 34, and 10 external connection of oxygen exhaust is used
Family oxygen uptake attachment (such as nasal oxygen tube, oxygen face mask etc.)；
Air inlet 13 and heat radiation air outlet 14 are provided on the front housing 1.Heat radiation air outlet 14 will be made using radiator fan
Heat is generated inside oxygen machine and is transported to exterior space, and external fresh cold air enters enclosure interior by air inlet 13.
It is provided with denitrogen mouth 15 in the pedestal group 7, exhaust noise silencing group 17 is connected to inside denitrogen mouth, outside is directly to idle discharge
Gas.
4 both ends of oxygen production unit are fixedly connected with pedestal group 7 and operating surface board group 3 respectively.
First molecular sieve adsorber 18 and 22 both ends of the second molecular sieve adsorber respectively with oxygen confluence group 16 and sky
Gas cylinder manifold 20 is fixedly connected；First molecular sieve adsorber 18 and the second molecular sieve adsorber 22 into air end respectively with first
The outlet side of solenoid valve 19A, second solenoid valve 19B connection, the first molecular sieve adsorber 18 and the second molecular sieve adsorber 22 point
It is not connected with flow controller 24, equalizing valve 25, the first check valve 26, second one-way valve 27.
The oil-free air pump 21 is fixedly connected with air cylinder manifold 20, and the compressed gas that oil-free air pump 21 generates passes through gas circuit
Connection is directly entered air cylinder manifold 20.
Oxygen confluence group 16 include: flow controller 24, pulse oxygen supply flow controller 31, continuous oxygen supply flow controller 35, equalizing valve 25,
First check valve 26, second one-way valve 27, pulse gas supplying valve 30, continuous oxygen supply valve 33, pressure regulator valve 34, oxygen container 29；Flow controller
24, pulse oxygen supply flow controller 31, continuous oxygen supply flow controller 35, equalizing valve 25, the first check valve 26, pulse gas supplying valve 30, continuous
By the connection of one piece of air-passage connection board, equalizing valve 25 is connected to the first molecular sieve adsorber 18, for oxygen supply valve 33, pressure regulator valve 34
Between two molecular sieve adsorbers 22, the first check valve 26,27 one end of second one-way valve are separately connected the first molecular sieve adsorber
18, the second molecular sieve adsorber 22, the other end is merged into a pipeline and is connected to oxygen container 29, in oxygen container 29 and oxygen exhaust
Two-way gas circuit is provided between 10, all the way continuously to supply oxygen gas circuit: including sequentially connected continuous oxygen supply valve 33, pressure regulator valve 34,
Continuous oxygen supply flow controller 35, another way is pulse oxygen supply gas circuit: being throttled including sequentially connected pulse gas supplying valve 30, pulse oxygen supply
Device 31；Continuous oxygen supply gas circuit and pulse oxygen supply gas circuit pass through oxygen exhaust 10 after merging and are connected to user's oxygen uptake attachment；Oxygen exhaust 10
It is connected with monitoring of respiration sensor 32, for curing by oxygen therapy pressure monitoring or the tiny flow quantity monitoring of pipeline；Flow controller 24 is at first point
It is connected between son sieve absorber 18, the second molecular sieve adsorber 22.
With reference to Fig. 5,11 starting device of key in pushing operation panel group 3, circuit control panel 2 is to executive component without oil gas
Pump 21 and the first solenoid valve 19A, second solenoid valve 19B provide electric energy and control signal, and system starts, air is by air inlet
It filters noise reduction group 23 and enters oil-free air pump 21, reduce inlet end noise, under the first solenoid valve 19A, second solenoid valve 19B control,
Oil-free air pump 21 provides compressed air to the first molecular sieve adsorber 18, the second molecular sieve adsorber 22 in order, and molecular sieve is inhaled
Adnexa opens the first molecular sieve adsorber 18, by nitrogen adsorption, then by the first solenoid valve 19A, second solenoid valve 19B in order
Nitrogen is discharged by exhaust noise silencing group 17 two molecular sieve adsorbers 22, and exhaust noise is reduced, the oxygen of high concentration just by
Oxygen confluence group 16 exports, and oil-free air pump 21 and solenoid valve do not stop working and will have oxygen constantly to export.
Circuit theory in relation to electromagnetic valve control method and control panel can be used routine techniques realization, as one compared with
Preferred citing, solenoid valve transfer sequence is illustrated below, step 1: the first solenoid valve 19A electrical working time T1, compression
Air enters the first molecular sieve adsorber 18 by connection gas circuit, while the second molecular sieve adsorber 22 passes through second solenoid valve
Nitrogen is discharged in 19B, step 2: 25 electrical working time T2 of the first solenoid valve 19A and equalizing valve, compressed air passes through connection gas circuit
Go successively to the first molecular sieve adsorber 18, while the oxygen inside the second molecular sieve adsorber 22 enters the by equalizing valve 25
One molecular sieve adsorber 18, step 3: the first solenoid valve 19A, second solenoid valve 19B and 25 electrical working time T3 of equalizing valve,
Oxygen inside second molecular sieve adsorber 22 continues through equalizing valve 25 and enters the first molecular sieve adsorber 18, while compressing sky
Gas enters the first molecular sieve adsorber 18 and the second molecular sieve adsorber 22 by connection gas circuit, in the first molecular sieve adsorber 18
The air in portion can also flow to 22 a part of the second molecular sieve adsorber.Step 4: second solenoid valve 19B electrical working time T1,
By connecting, gas circuit goes successively to the second molecular sieve adsorber 22 to compressed air while the first molecular sieve adsorber 18 passes through first
Nitrogen is discharged in solenoid valve 19A, step 5: 25 electrical working time T2 of second solenoid valve 19B and equalizing valve, compressed air pass through company
It connects gas circuit and goes successively to the second molecular sieve adsorber 22, while the oxygen inside the first molecular sieve adsorber 18 passes through equalizing valve 25
Into the second molecular sieve adsorber 22, step 6: the first solenoid valve 19A, second solenoid valve 19B and equalizing valve 25 are powered on
Time T3, the oxygen inside the first molecular sieve adsorber 18 continue through equalizing valve 25 and enter the second molecular sieve adsorber 22, together
When compressed air by connection gas circuit enter the second molecular sieve adsorber 22 and the first molecular sieve adsorber 18, the second molecular sieve inhale
Air inside adnexa 22 can also flow to 18 a part of the first molecular sieve adsorber.Each step work Shi Douyou oxygen output, with
Upper six steps repetitive cycling work.
In the utility model embodiment, after normal boot-strap work, select continuously to supply by the key 11 in operating surface board group 3
Oxygen operating mode or pulse oxygen supply mode, continuous oxygen supply are not influenced by user demand oxygen amount, continue the qualified oxygen of quantitative output,
The user for being suitble to autonomous breathing weak.
Pulse oxygen supply mode has to the inspiration trigger of user, and every suction is such once for the qualified oxygen under imposing a condition
Mode saves oxygen very much, can reduce power consumption, is suitble to the normal user of autonomous respiration.
In the utility model embodiment, two kinds of power supply modes of internal electric source 9 and external power supply, when external power supply disconnects,
Internal electric source provides electric energy work.When external power supply is connected, power supply 9 is in charged state, and other power-consuming components are by external electrical
Source provides electric energy work.
In the utility model embodiment, monitoring of respiration sensor 32 has monitoring pressure or monitoring tiny flow quantity two ways,
When its work, monitoring of respiration sensor 32 monitors the pressure for the pipeline cured by oxygen therapy to user or the variation of tiny flow quantity, and by signal
Circuit control panel is passed to, circuit control panel issues signal control pulse gas supplying valve 30 again and works.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (9)
1. a kind of micro portable oxygenerator, which is characterized in that including front housing (1), circuit control panel (2), operating surface board group (3),
Oxygen production unit (4), right side plate (5), rear shell (6), pedestal group (7), left plate (8), power supply (9), exhaust noise silencing group (17), air inlet
It filters noise reduction group (23)；The front housing (1) and rear shell (6) are connected and fixed with operating surface board group (3), pedestal group (7), the left side
Plate (8) and right side plate (5) are connected and fixed with operating surface board group (3), pedestal group (7), front housing (1) and rear shell (6), the oxygen list processed
First (4) are connected and fixed with operating surface board group (3) and pedestal group (7)；The oxygen production unit (4) includes oil-free air pump (21), first
Molecular sieve adsorber (18) and the second molecular sieve adsorber (22), the first solenoid valve (19A), second solenoid valve (19B), air converge
Flowing plate (20), oxygen confluence group (16)；The circuit control panel (2) simultaneously with the first solenoid valve (19A), second solenoid valve
The electrical connection of (19B), oxygen confluence group (16).
2. micro portable oxygenerator according to claim 1, which is characterized in that the exhaust noise silencing group (17) is in oxygen list processed
First (4) side is fixed, and the inlet air filtration noise reduction group (23) is fixed in oxygen production unit (4) another side, the power supply (9) and system
Oxygen unit (4) side is fixedly connected, and the circuit control panel (2) is fixedly connected with oxygen production unit (4) other side.
3. micro portable oxygenerator according to claim 1, which is characterized in that be provided on the operating surface board group (3)
Oxygen exhaust (10), key (11) and external power interface (12)；Key (11) is used to control the power switch of oxygenerator；Oxygen exhaust
(10) pulse gas supplying valve (30) and pressure regulator valve (34), oxygen exhaust (10) external connection user's oxygen uptake attachment are connected internally to.
4. micro portable oxygenerator according to claim 1, which is characterized in that be provided with air inlet on the front housing (1)
(13) and heat radiation air outlet (14)；Radiator fan is arranged in heat radiation air outlet (14), for will generate heat conveying inside oxygenerator
To exterior space, external fresh cold air enters enclosure interior by air inlet (13).
5. micro portable oxygenerator according to claim 1, which is characterized in that be provided with denitrogen on the pedestal group (7)
Mouth (15), denitrogen mouth inside are connected to exhaust noise silencing group (17), and outside is directly to idle discharge gas.
6. micro portable oxygenerator according to claim 1, which is characterized in that first molecular sieve adsorber (18) and
Second molecular sieve adsorber (22) both ends are fixedly connected with oxygen confluence group (16) and air cylinder manifold (20) respectively；First molecule
Sieve absorber (18) and the second molecular sieve adsorber (22) into air end respectively with the first solenoid valve (19A), second solenoid valve
(19B) connection, the outlet side of the first molecular sieve adsorber (18) and the second molecular sieve adsorber (22) respectively with flow controller (24),
Equalizing valve (25), the first check valve (26), second one-way valve (27) connection.
7. micro portable oxygenerator according to claim 6, which is characterized in that oxygen confluence group (16) includes: flow controller
(24), pulse oxygen supply flow controller (31), continuously supply oxygen flow controller (35), be equalizing valve (25), the first check valve (26), second unidirectional
Valve (27), pulse gas supplying valve (30), continuous oxygen supply valve (33), pressure regulator valve (34), oxygen container (29)；Flow controller (24), pulse supply
Oxygen flow controller (31) continuously supplies oxygen flow controller (35), is equalizing valve (25), the first check valve (26), pulse gas supplying valve (30), continuous
By one piece of air-passage connection board connection, equalizing valve (25) is connected to the first molecular sieve adsorber for oxygen supply valve (33), pressure regulator valve (34)
(18), between the second molecular sieve adsorber (22), the first check valve (26), second one-way valve (27) one end are separately connected first point
Son sieve absorber (18), the second molecular sieve adsorber (22), the other end are merged into a pipeline and are connected to oxygen container (29),
It is provided with two-way gas circuit between oxygen container (29) and oxygen exhaust (10), all the way continuously to supply oxygen gas circuit: including sequentially connected company
Continuous oxygen supply valve (33), pressure regulator valve (34) continuously supply oxygen flow controller (35), and another way is pulse oxygen supply gas circuit: including being sequentially connected with
Pulse gas supplying valve (30), pulse oxygen supply flow controller (31)；By going out oxygen after continuous oxygen supply gas circuit and the merging of pulse oxygen supply gas circuit
Mouth (10) is connected to user's oxygen uptake attachment；Flow controller (24) is in the first molecular sieve adsorber (18), the second molecular sieve adsorber
(22) it is connected between.
8. micro portable oxygenerator according to claim 1, which is characterized in that the oil-free air pump (21) and air converge
Plate (20) is fixedly connected, and the compressed gas that oil-free air pump (21) generates is directly entered air cylinder manifold (20) by air circuit connection.
9. micro portable oxygenerator according to claim 1, which is characterized in that oxygen exhaust (10) is connected with monitoring of respiration biography
Sensor (32), for curing by oxygen therapy pressure monitoring or the tiny flow quantity monitoring of pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820956115.1U CN208603714U (en) | 2018-06-21 | 2018-06-21 | A kind of micro portable oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820956115.1U CN208603714U (en) | 2018-06-21 | 2018-06-21 | A kind of micro portable oxygenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208603714U true CN208603714U (en) | 2019-03-15 |
Family
ID=65665210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820956115.1U Expired - Fee Related CN208603714U (en) | 2018-06-21 | 2018-06-21 | A kind of micro portable oxygenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208603714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304606A (en) * | 2019-06-17 | 2019-10-08 | 张文霞 | A kind of Miniature oxygenerator and its assembly method |
| CN111757847A (en) * | 2020-05-07 | 2020-10-09 | 雷激 | Portable oxygen generator |
-
2018
- 2018-06-21 CN CN201820956115.1U patent/CN208603714U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304606A (en) * | 2019-06-17 | 2019-10-08 | 张文霞 | A kind of Miniature oxygenerator and its assembly method |
| CN111757847A (en) * | 2020-05-07 | 2020-10-09 | 雷激 | Portable oxygen generator |
| CN111757847B (en) * | 2020-05-07 | 2021-07-23 | 雷激 | Portable oxygen generator |
| WO2021223155A1 (en) * | 2020-05-07 | 2021-11-11 | 雷激 | Portable oxygenerator |
| US11648505B2 (en) | 2020-05-07 | 2023-05-16 | Anhui Xiaoshan Medical Technology Co., Ltd. | Portable oxygen concentrator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20210621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |