CN209568154U - Hydrogen ventilator - Google Patents
Hydrogen ventilator Download PDFInfo
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- CN209568154U CN209568154U CN201920277328.6U CN201920277328U CN209568154U CN 209568154 U CN209568154 U CN 209568154U CN 201920277328 U CN201920277328 U CN 201920277328U CN 209568154 U CN209568154 U CN 209568154U
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- hydrogen
- storage chamber
- gas outlet
- ventilator
- generating mechanism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a kind of hydrogen ventilator, belongs to hydrogen preparation and storage equipment technical field, including hydrogen generating mechanism and storing hydrogen mechanism, hydrogen generating mechanism are used to prepare hydrogen；Storing hydrogen mechanism includes the first storage chamber and the second storage chamber interconnected, oxygen-impermeable first semi-permeable membrane of saturating hydrogen is equipped between first storage chamber and the second storage chamber, second storage chamber is equipped with the first hydrogen input port connecting with the first hydrogen gas outlet of hydrogen generating mechanism, first storage chamber is equipped with the second hydrogen gas outlet, and the second hydrogen gas outlet is equipped with control valve.Second storage chamber of the utility model is between hydrogen generating mechanism and the first storage chamber, it is difficult to air, open fire or exterior static are touched, it is not easy to explode, and the hydrogen in the first storage chamber is more pure, it is also not easy to explode due to lacking oxidant；And under the barrier action of the second storage chamber and the first semi-permeable membrane, the resistance between hydrogen generating mechanism and the second hydrogen gas outlet can be greatly increased, and can effectively avoid the generation of electric leakage electric shock accident.
Description
Technical field
The utility model belongs to hydrogen preparation and storage equipment technical field, is to be related to a kind of hydrogen breathing more specifically
Machine.
Background technique
Under normal temperature and pressure, hydrogen is that one kind is easily burnt, colorless and transparent, odorless, tasteless and the gas for being insoluble in water.With
The development of society and the progress of scientific and technological level, hydrogen using more and more extensive, there is the hydrogen-preparing hydrogen-storings equipment such as hydrogen ventilator.
Existing household hydrogen ventilator mainly uses electrolysis method to prepare hydrogen, since electrolysis method required voltage is bigger, makes
There are the risks of electric leakage when with hydrogen ventilator.And household hydrogen ventilator is due to the limitation of the factors such as summation watt rating, the hydrogen of preparation
Often the high cleanliness of the hydrogen prepared, this hydrogen are not can guarantee containing impurity such as some oxygen and carbon dioxide in gas
Gas still has certain risk in storage and use.
Utility model content
The purpose of this utility model is to provide a kind of hydrogen ventilators, are deposited with solving hydrogen ventilator existing in the prior art
In the technical problem of electric leakage and inflammable and explosive equal danger.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of hydrogen ventilator, including hydrogen occurs
Mechanism and storing hydrogen mechanism, hydrogen generating mechanism are used to prepare hydrogen；Storing hydrogen mechanism includes that can be carried out the first storage of gas exchanges
Chamber and the second storage chamber are equipped with oxygen-impermeable first semi-permeable membrane of saturating hydrogen between the first storage chamber and the second storage chamber, the second storage chamber is equipped with and hydrogen
Generating mechanism the first hydrogen gas outlet connection the first hydrogen input port, the first storage chamber be equipped with the second hydrogen gas outlet, second
Hydrogen gas outlet is equipped with control valve.
Further, in hydrogen ventilator above-mentioned, the second storage chamber is tubular structure and is located in the first storage chamber, tubular structure
Outer wall include the first semi-permeable membrane and the support tube for being located at outside the first semi-permeable membrane and being equipped with through-hole.
Further, in hydrogen ventilator above-mentioned, the second storage chamber is equipped with the first exhaust extended to outside the first storage chamber
Mouthful.
Further, in hydrogen ventilator above-mentioned, hydrogen ventilator further includes gas mixing mechanism, and gas mixing mechanism includes
The mixing tube that middle part is connect with the second hydrogen gas outlet, mixing tube one end are equipped with air inlet, and the other end is equipped with gas outlet.
Further, in hydrogen ventilator above-mentioned, air inlet one end of mixing tube is equipped with gas filtration module and gas adds
Wet module；Gas outlet one end of mixing tube is equipped with check valve.
Further, in hydrogen ventilator above-mentioned, control valve is electronic valve, is equipped in mixing tube for measuring gas flow rate
Flow rate detection module and the control module that is electrically connected respectively with flow rate detection module and control valve.
Further, in hydrogen ventilator above-mentioned, control valve include fan, shaft, fixed bracket, centrifugal pan, valve block and
Elastic element, fan are located in mixing tube；Shaft one end and fan are coaxially connected；Fixed branch is erected at mixing tube or the second hydrogen
Delivery outlet, and connect with shaft rotation-limited；Centrifugal pan is connect with the shaft other end, and centrifugal pan is equipped with radial hole, radial hole
The interior tension spring equipped with pellet and for drawing pellet into radial hole, pellet outer end are equipped with inclined surface；Valve block is used for and the second hydrogen
Delivery outlet abuts and closes the second hydrogen gas outlet, and valve block is equipped with the holding tank for accommodating centrifugal pan, accommodates groove sidewall
Equipped with the conical surface abutted with the inclined surface of pellet outer end；Elastic element is located between valve block and fixed bracket, in natural shape
It holds out against valve block under state and closes the second hydrogen gas outlet.
Further, in hydrogen ventilator above-mentioned, the outer end face of the second hydrogen gas outlet is for being in close contact with valve block
Plane, elastic element is pressure spring, and the direction of the straight radial fan of the conical surface is gradually reduced.
Further, in hydrogen ventilator above-mentioned, hydrogen generating mechanism include electrolyte chamber and be located in electrolyte chamber at least two
A electrode, the exhaust pipe that the electrode upper of oxygen processed is equipped with collecting hood and connect with collecting hood top, the electrode upper of hydrogen manufacturing are the
One hydrogen gas outlet, the first hydrogen gas outlet are equipped with the second semi-permeable membrane.
Further, in hydrogen ventilator above-mentioned, hydrogen ventilator further includes water storage mechanism, and water storage mechanism is used to occur to hydrogen
Mechanism water supply, the water tank connecting including water outlet with the water inlet of hydrogen generating mechanism are located on water tank and in regulating tank
The pressure pump of portion's pressure and the water purification module being connect with water outlet.
The beneficial effect of hydrogen ventilator provided by the utility model is: compared with prior art, the utility model makes
With the hydrogen containing impurity in the process, prepared in hydrogen generating mechanism enter the second storage chamber after by the first semi-permeable membrane filtering,
More pure hydrogen is obtained, and is stored in the first storage chamber for using；Due in the second storage chamber at the hydrogen containing impurity
Between hydrogen generating mechanism and the first storage chamber, it is difficult to air, open fire or exterior static are touched, is not susceptible to explode, and first
Hydrogen in storage chamber is more pure, in the case where lacking oxidant, is also not susceptible to explode, therefore hydrogen ventilator generation is quick-fried
A possibility that fried, can substantially reduce；And in the second storage chamber under the barrier action of hydrogen and the first semi-permeable membrane, machine occurs for hydrogen
Resistance between structure and the second hydrogen gas outlet can greatly increase, and can effectively avoid the generation of electric leakage electric shock accident.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of hydrogen ventilator provided by the embodiment of the utility model；
Fig. 2 is the cross-section structure of the control valve position of hydrogen ventilator provided by the embodiment of the utility model in its natural state
Schematic diagram；
Fig. 3 is the cross-section structure of the control valve position of hydrogen ventilator provided by the embodiment of the utility model in a state of use
Schematic diagram.
Wherein, each appended drawing reference in figure:
11- pressure pump；12- water purification module；13- water tank；
21- electrolyte chamber；22- electrode；23- collecting hood；24- exhaust pipe；The second semi-permeable membrane of 25-；
The first storage chamber of 31-；The second storage chamber of 32-；The first semi-permeable membrane of 33-；
34- first row port；The second hydrogen gas outlet of 35-；
41- mixing tube；42- gas filtration module；43- gas humidification module；44- check valve；
45- flow rate detection module；46- control module；47- breathing mask；
50- control valve；51- fan；52- shaft；53- fixes bracket；
54- centrifugal pan；55- pellet；56- tension spring；57- valve block；58- holding tank；59- elastic element.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Referring to Fig. 1, existing be illustrated a kind of hydrogen ventilator provided by the utility model.The hydrogen ventilator, including
Hydrogen generating mechanism and storing hydrogen mechanism, hydrogen generating mechanism are used to prepare hydrogen；Storing hydrogen mechanism includes interconnecting to carry out gas
The first storage chamber 31 and the second storage chamber 32 of body exchange are equipped with saturating hydrogen oxygen-impermeable the first half between the first storage chamber 31 and the second storage chamber 32
Permeable membrane 33, the second storage chamber 32 are equipped with the first hydrogen input port connecting with the first hydrogen gas outlet of hydrogen generating mechanism, the first storage
Chamber 31 is equipped with the second hydrogen gas outlet 35, and the second hydrogen gas outlet 35 is equipped with control valve 50.
Hydrogen ventilator provided by the utility model, compared with prior art, when in use, what is prepared in hydrogen generating mechanism contains
By the filtering of the first semi-permeable membrane 33 after thering is the hydrogen of impurity to enter the second storage chamber 32, more pure hydrogen is obtained, and store
For using in the first storage chamber 31；Since the hydrogen containing impurity is in hydrogen generating mechanism and the first storage chamber in the second storage chamber 32
Between 31, it is difficult to air, open fire or exterior static are touched, is not susceptible to explode, and the hydrogen in the first storage chamber 31 is more pure
Only, it in the case where lacking oxidant, is also not susceptible to explode, therefore a possibility that hydrogen ventilator explodes can be significantly
It reduces；And in the second storage chamber 32 under the barrier action of hydrogen and the first semi-permeable membrane 33, hydrogen generating mechanism and the second hydrogen are defeated
Resistance between outlet 35 can greatly increase, and can effectively avoid the generation of electric leakage electric shock accident.
Semi-permeable membrane (English: semipermeable membrane) is a kind of only to certain molecule or ion diffusion disengaging
Film passes through selective film to different particles.Such as cell membrane, pericystium, parchment and the glue manually made
Cotton film etc..
In order to preferably carry out gas exchanges, the force (forcing) pump for pressurization can be set in the second storage chamber 32, simultaneously respectively
In the first storage chamber 31 and the second storage chamber 32 be arranged pressure detecting module, be in addition arranged again respectively with pressure detecting module and pressurization
Pump electrical connection control module, when the pressure difference in the first storage chamber 31 and the second storage chamber 32 be greater than a certain threshold value or in which it is a certain
When a pressure is greater than a certain threshold value, controller controls force (forcing) pump and stops pressurization, the pressure in the first storage chamber 31 and the second storage chamber 32
It is strong poor to be less than a certain threshold value or when two pressure is respectively less than a certain threshold value, controller control force (forcing) pump starts to pressurize.
Further, referring to Fig. 1, a kind of specific embodiment as hydrogen ventilator provided by the utility model,
Two storage chambers 32 are tubular structure and are located in the first storage chamber 31 that the outer wall of tubular structure includes the first semi-permeable membrane 33 and is located at first
33 outside of semi-permeable membrane and the support tube for being equipped with through-hole.Support tube is also possible to elastic network(s), and the perimeter of the cross section of elastic network(s) is less than
The perimeter of first semi-permeable membrane, 33 cross section enables the size of the second storage chamber 32 according to the gas in the first storage chamber 31 and the second storage chamber 32
The variation of the scale of construction and pressure and change, so that hydrogen constantly, smoothly be made to be penetrated into the first storage chamber 31 by the second storage chamber 32.
Even if a generation combustion explosion in the first storage chamber 31 and the second storage chamber 32, another can also play certain buffer function.
Further, the second storage chamber 32 is equipped with the first row port 34 extended to outside the first storage chamber 31, to use
Other gases such as oxygen, the carbon dioxide assembled in the second storage chamber 32 are discharged after a period of time.
Further, referring to Fig. 1, a kind of specific embodiment as hydrogen ventilator provided by the utility model, hydrogen
Ventilator further includes gas mixing mechanism, and gas mixing mechanism includes the mixing tube that middle part is connect with the second hydrogen gas outlet 35
41,41 one end of mixing tube is equipped with air inlet, and the other end is equipped with gas outlet.Setting mixing tube can facilitate hydrogen and air, oxygen,
Other gases such as nitrogen are used in mixed way.
Further, air inlet one end of mixing tube 41 is equipped with gas filtration module 42 and gas humidification module 43；Mixing
Gas outlet one end of pipe 41 is equipped with check valve 44.
Further, referring to Fig. 1, a kind of specific embodiment as hydrogen ventilator provided by the utility model, control
Valve 50 processed is electronic valve, and the flow rate detection module 45 for measuring gas flow rate is equipped in mixing tube 41 and is examined respectively with flow velocity
Survey the control module 46 of module 45 and the electrical connection of control valve 50.In use, flow rate detection module 45 measures the gas in mixing tube 41
Electric signal is generated after body flow velocity and is transferred to control module 46, and control module 46 controls control valve 50 based on the received electrical signal
Aperture, be used in mixed way in order to which hydrogen is proportional to other gases.
Further, referring to Figure 2 together and Fig. 3, a kind of specific reality as hydrogen ventilator provided by the utility model
Mode is applied, control valve 50 includes fan 51, shaft 52, fixed bracket 53, centrifugal pan 54, valve block 57 and elastic element 59, fan
51 are located in mixing tube 41, and flow and rotate with the gas in mixing tube 41；52 one end of shaft and fan 51 are coaxially connected；Gu
Fixed rack 53 is located at mixing tube 41 or the second hydrogen gas outlet 35, and connect with 52 rotation-limited of shaft；Centrifugal pan 54 and shaft
The connection of 52 other ends, centrifugal pan 54 are equipped with radial hole, pellet 55 are equipped in radial hole and for drawing pellet 55 into radial hole
Tension spring 56,55 outer end of pellet be equipped with inclined surface；Valve block 57 with the second hydrogen gas outlet 35 for abutting and the second hydrogen is defeated
35 closing of outlet, valve block 57 are equipped with holding tank 58 for accommodating centrifugal pan 54,58 side wall of holding tank be equipped with outside pellet 55
The conical surface that the inclined surface at end abuts；Elastic element 59 is located between valve block 57 and fixed bracket 53, for making in its natural state
Valve block 57 holds out against and closes the second hydrogen gas outlet 35.Control valve 50 further includes speed changer, and speed changer is arranged in shaft 52, is used
In the revolving speed difference for making 52 both ends of shaft.
Further, the outer end face of the second hydrogen gas outlet 35 is the plane for being in close contact with valve block 57, elasticity member
Part 59 is pressure spring, and the direction of the straight radial fan 51 of the conical surface is gradually reduced.
When in use, the air-flow in mixing tube 41 drives fan 51 to rotate, and fan 51 drives shaft 52, and then drives centrifugation
Disk 54 rotates, pellet 55 overcomes the elastic force of tension spring 56 to move out under the centrifugal action of centrifugal pan 54, while pellet 55 inclines
Inclined-plane applies extruding force to the conical surface in the holding tank 58 of valve block 57, it is mobile to make valve block 57, and then make valve block 57 and the second hydrogen
Gap is generated between delivery outlet 35, and then under the action of 31 internal pressure of the first storage chamber or the attraction of mixing tube 41, makes hydrogen
Gas is entered in mixing tube 41 by the second hydrogen gas outlet 35.
If the gas flow in the air-flow velocity bigger i.e. unit time in mixing tube 41 is bigger, fan 51 and centrifugal pan
54 revolving speeds are faster, and pellet 55 stretches out more under the action of the centrifugal, get over the opening between valve block 57 and the second hydrogen gas outlet 35
Greatly, the hydrogen for entering mixing tube 41 is more.Vice versa.Finally can be realized hydrogen mixing proportional to other gases makes
With, while can also prevent other gases in mixing tube 41 from entering in the first storage chamber 31.
Further, referring to Fig. 1, a kind of specific embodiment as hydrogen ventilator provided by the utility model, hydrogen
Generating mechanism includes electrolyte chamber 21 and at least two electrodes 22 that are located in electrolyte chamber 21, and 22 top of electrode of oxygen processed, which is equipped with, collects
Cover 23 and the exhaust pipe 24 connecting with 23 top of collecting hood, 22 top of electrode of hydrogen manufacturing are the first hydrogen gas outlet, the first hydrogen
Delivery outlet is equipped with the second semi-permeable membrane 25.Second semi-permeable membrane 25 can be used for separating water with gas, can be used for preliminarily
Hydrogen purification is conducive to increase hydrogen generating mechanism and hydrogen using the resistance between end, plays preferably security protection effect.
Further, referring to Fig. 1, a kind of specific embodiment as hydrogen ventilator provided by the utility model, hydrogen
Ventilator further includes water storage mechanism, and water storage mechanism is used to supply water to hydrogen generating mechanism, including water outlet and hydrogen generating mechanism into
The mouth of a river connection water tank 13, be located on water tank 13 and for 13 internal pressure of regulating tank pressure pump 11 and connect with water outlet
Water purification module 12.
Further, total control module can also be set, and by total control module respectively with force (forcing) pump, pressure detecting mould
Block, pressure pump 11, electrode 22, control valve 50 and other electric-controlled parts or module electrical connection, it is steady to control entire hydrogen ventilator
Ground work.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of hydrogen ventilator characterized by comprising
Hydrogen generating mechanism, is used to prepare hydrogen；And
Storing hydrogen mechanism, the first storage chamber (31) and the second storage chamber (32) including can be carried out gas exchanges, first storage chamber
(31) between the second storage chamber (32) be equipped with oxygen-impermeable first semi-permeable membrane (33) of saturating hydrogen, second storage chamber (32) be equipped with it is described
First hydrogen input port of the first hydrogen gas outlet connection of hydrogen generating mechanism, it is defeated that first storage chamber (31) is equipped with the second hydrogen
It exports (35), second hydrogen gas outlet (35) is equipped with control valve (50).
2. hydrogen ventilator as described in claim 1, it is characterised in that: second storage chamber (32) is tubular structure and is located at institute
It states in the first storage chamber (31), the outer wall of the tubular structure includes first semi-permeable membrane (33) and is located at first semi-permeable membrane
(33) support tube that is external and being equipped with through-hole.
3. hydrogen ventilator as claimed in claim 2, it is characterised in that: second storage chamber (32), which is equipped with, extends to described the
The external first row port (34) of one storage chamber (31).
4. hydrogen ventilator as described in claim 1, which is characterized in that the hydrogen ventilator further include:
Gas mixing mechanism, including the mixing tube (41) that middle part is connect with second hydrogen gas outlet (35), the mixing tube
(41) one end is equipped with air inlet, and the other end is equipped with gas outlet.
5. hydrogen ventilator as claimed in claim 4, it is characterised in that: air inlet one end of the mixing tube (41) is equipped with gas
Filtering module (42) and gas humidification module (43)；Gas outlet one end of the mixing tube (41) is equipped with check valve (44).
6. hydrogen ventilator as claimed in claim 4, it is characterised in that: the control valve (50) is electronic valve, the mixing tube
(41) in be equipped with for measure gas flow rate flow rate detection module (45) and respectively with the flow rate detection module (45) and
The control module (46) of control valve (50) electrical connection.
7. hydrogen ventilator as claimed in claim 4, which is characterized in that the control valve (50) includes:
Fan (51) is located in the mixing tube (41)；
Shaft (52), one end and the fan (51) are coaxially connected；
Fixed bracket (53), are located at the mixing tube (41) or second hydrogen gas outlet (35), and with the shaft (52)
Rotation-limited connection；
Centrifugal pan (54) is connect with the shaft (52) other end, and the centrifugal pan (54) is equipped with radial hole, the radial hole
Interior to be equipped with pellet (55) and the tension spring (56) for drawing the pellet (55) into the radial hole, pellet (55) outer end is set
There is inclined surface；
Valve block (57), for being abutted with second hydrogen gas outlet (35) and closing second hydrogen gas outlet (35),
The valve block (57) is equipped with holding tank (58) for accommodating the centrifugal pan (54), holding tank (58) side wall be equipped with
The conical surface that the inclined surface of pellet (55) outer end abuts；And
Elastic element (59) is located between the valve block (57) and the fixed bracket (53), for making institute in its natural state
Valve block (57) is stated to hold out against and close second hydrogen gas outlet (35).
8. hydrogen ventilator as claimed in claim 7, which is characterized in that the outer end face of second hydrogen gas outlet (35) is to use
In the plane being in close contact with the valve block (57), the elastic element (59) is pressure spring, and the diameter of the conical surface is to the wind
The direction of fan (51) is gradually reduced.
9. hydrogen ventilator as described in claim 1, it is characterised in that: the hydrogen generating mechanism includes electrolyte chamber (21) and is located at
At least two electrodes (22) in the electrolyte chamber (21), the electrode (22) top of oxygen processed be equipped with collecting hood (23) and with institute
The exhaust pipe (24) of collecting hood (23) top connection is stated, the electrode (22) top of hydrogen manufacturing is first hydrogen gas outlet,
First hydrogen gas outlet is equipped with the second semi-permeable membrane (25).
10. hydrogen ventilator as described in claim 1, which is characterized in that the hydrogen ventilator further include:
Water storage mechanism is connect including water outlet with the water inlet of the hydrogen generating mechanism for supplying water to the hydrogen generating mechanism
Water tank (13), be located on the water tank (13) and for adjust the water tank (13) internal pressure pressure pump (11) and with institute
State the water purification module (12) of water outlet connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277328.6U CN209568154U (en) | 2019-03-05 | 2019-03-05 | Hydrogen ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277328.6U CN209568154U (en) | 2019-03-05 | 2019-03-05 | Hydrogen ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209568154U true CN209568154U (en) | 2019-11-01 |
Family
ID=68334548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920277328.6U Active CN209568154U (en) | 2019-03-05 | 2019-03-05 | Hydrogen ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209568154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706469A (en) * | 2019-03-05 | 2019-05-03 | 河北云悦生物科技有限公司 | Hydrogen ventilator |
-
2019
- 2019-03-05 CN CN201920277328.6U patent/CN209568154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706469A (en) * | 2019-03-05 | 2019-05-03 | 河北云悦生物科技有限公司 | Hydrogen ventilator |
| CN109706469B (en) * | 2019-03-05 | 2024-03-22 | 河北云悦生物科技有限公司 | Hydrogen breathing machine |
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