CN208907033U - A kind of High aititude substation oxygen enrichment system - Google Patents
A kind of High aititude substation oxygen enrichment system Download PDFInfo
- Publication number
- CN208907033U CN208907033U CN201821607359.5U CN201821607359U CN208907033U CN 208907033 U CN208907033 U CN 208907033U CN 201821607359 U CN201821607359 U CN 201821607359U CN 208907033 U CN208907033 U CN 208907033U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- guardroom
- terminal
- branch pipe
- master control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
A kind of High aititude substation oxygen enrichment system, including oxygenerator, cure by oxygen therapy pipeline and terminal control mechanism, oxygenerator and oxygen therapy piping connection, oxygen therapy pipeline is connected with terminal control mechanism, the oxygen that oxygenerator is produced is delivered to master control communication building and guardroom by curing by oxygen therapy pipeline, oxygenerator is set in oxygen produced chamber, terminal control mechanism is equipped in master control communication building and guardroom, the oxygen that oxygen produced chamber produces, oxygen is transported to master control by oxygen therapy pipeline and communicates building and guardroom, the oxygen that oxygen produced chamber export is delivered to each use oxygen terminal by branch pipeline and bye-pass in master control communication building and guardroom room, it is opened by the terminal control mechanism control that master control communicates building and guardroom into oxygen flow, according to indoor oxygen concentration automatic start-stop oxygen terminal.The utility model guarantees operations staff's oxygen supply of the substation of height above sea level 3000m or more, and people's oxygenation is given from physiological mechanism, effectively avoids the damage to each organ of human body, improves working efficiency.
Description
Technical field
The utility model relates to oxygen enrichment systems, are specifically related to a kind of High aititude substation oxygen enrichment system.
Background technique
With the continuous promotion of height above sea level, oxygen content and atmospheric pressure in atmosphere also accordingly decline, the nature of human body
It reacts violent therewith, causes such as increased heart rate, delay of response, mood irritability, immunity degradation human injury, such as head occur
Bitterly, the malaise symptoms such as abdominal distension, alopecia, expiratory dyspnea, lassitude, the not high, failure of memory of sleep quality.
In Ali and hiding in grid network engineering along 500kV and 220kV substation be in high altitude localities, wherein
500kV substation highest height above sea level is 4100m, and 220kV substation highest height above sea level is 4600m, long-term life and work
Substation operation maintenance personnel in the environment of hypobaric hypoxia health by very big damage, meanwhile, in blood oxygen content reduce,
The normal performance that also will affect function of human body effect, makes one to be in sub-health state, working efficiency is extremely low all day.
Existing oxygen enrichment system is mostly used for hospital, is not applied in the substation of the high altitude localities 3000m or more also at present
Oxygen enrichment system.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortcomings of above-mentioned background technique, provides a kind of High aititude
Substation's oxygen enrichment system guarantees operations staff's work of the substation of height above sea level 3000m or more, the oxygen supply of living environment, from
People's oxygenation is given on physiological mechanism, effectively avoids the damage to each organ of human body, is improved working efficiency, is made the body and mind of operations staff
Health is protected.
The utility model solve its technical problem the technical solution adopted is that, a kind of High aititude substation oxygen enrichment system, packet
Oxygenerator, oxygen therapy pipeline and terminal control mechanism, oxygenerator and oxygen therapy piping connection are included, oxygen therapy pipeline and terminal control fill
Set connected, the oxygen that the oxygenerator is produced is delivered to master control and communicates building and guardroom, oxygenerator by curing by oxygen therapy pipeline and sets
In in oxygen produced chamber, terminal control mechanism, the oxygen that oxygen produced chamber produces, by defeated are equipped in master control communication building and guardroom
Oxygen is transported to master control communication building and guardroom by oxygen pipeline, and master control communicates branch pipeline and bye-pass in building and guardroom room and will make
The oxygen of oxygen room output is delivered to each oxygen terminal, passes through the terminal control mechanism control unlatching that master control communicates building and guardroom
Into oxygen flow, according to indoor oxygen concentration automatic start-stop oxygen terminal；
Curing by oxygen therapy pipeline includes outdoor oxygen therapy pipeline and indoor oxygen therapy pipeline, and the indoor oxygen therapy pipeline that master control communicates building includes supplying
Oxygen standpipe, oxygen input branch pipe, master control communication building terminal control mechanism include oxygen register one's residence ball valve, oxygen decompression cabinet, oxygen intelligence
Terminal and disperse oxygen exhaust, outdoor oxygen therapy pipeline are connected with oxygen supply standpipe, supply oxygen standpipe and oxygen ball valve of registering one's residence and are connected, oxygen enters
Family ball valve is connected with oxygen decompression cabinet, and oxygen decompression cabinet is connected with oxygen input branch pipe, and oxygen input branch pipe is connected with oxygen intelligent terminal, oxygen
Gas intelligent terminal is connected with disperse oxygen exhaust；
The indoor oxygen therapy pipeline of guardroom includes oxygen supply standpipe, threeway and oxygen input branch pipe, the terminal control mechanism of guardroom
It registers one's residence ball valve, oxygen decompression cabinet, oxygen intelligent terminal, disperse oxygen exhaust and snuffing oxygen exhaust including oxygen, supplies oxygen standpipe and oxygen
Gas is registered one's residence ball valve connection, and oxygen ball valve of registering one's residence is connect with oxygen decompression cabinet, and oxygen decompression cabinet is connect with oxygen input branch pipe, and oxygen depressurizes
It is equipped with threeway between case and oxygen input branch pipe, oxygen input branch pipe is divided into disperse oxygen input branch pipe and snuffing oxygen input branch pipe, disperse oxygen therapy branch
Pipe is connect with oxygen intelligent terminal, and oxygen intelligent terminal is connect with disperse oxygen exhaust, and snuffing oxygen input branch pipe and snuffing oxygen exhaust connect
It connects；
Oxygenerator includes air compressor, low efficient filter, cooling driers, essence effect tertiary filter, oxygen main frame processed, oxygen
Storage tank, oxygen dedusting/sterilization device and system control cabinet；Air compressor is connected with low efficient filter, and low efficient filter is done with cold
Machine is connected, and cooling driers are connected with essence effect tertiary filter, and essence effect tertiary filter is connected with oxygen main frame processed, oxygen main frame processed and system
Control cabinet is connected, and system control cabinet is connect by oxygen channel with oxygen storage tank, after oxygen storage tank connects oxygen dedusting/sterilization device
Form oxygen outlet.
Further, electric control box, emergency fan and warm-air drier are additionally provided in the oxygen produced chamber.
Further, it is additionally provided with heat dissipation wind channel in the oxygen produced chamber, heat dissipation wind channel is connected with air compressor.
Compared with prior art, as follows the advantages of the utility model:
The oxygen generating plant of oxygen produced chamber manufactures oxygen, transports oxygen by oxygen therapy pipeline and needs oxygen room to each, guarantees
The substation of height above sea level 3000m or more operations staff work, living environment oxygen supply, from physiological mechanism give people's oxygenation,
The damage to each organ of human body is effectively avoided, working efficiency is improved, the physical and mental health of operations staff is made to be protected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the arrangement schematic diagram in embodiment illustrated in fig. 1 master control communication building.
Fig. 3 is the arrangement schematic diagram of embodiment illustrated in fig. 1 guardroom.
Fig. 4 is the arrangement schematic diagram of embodiment illustrated in fig. 1 oxygen produced chamber.
In figure: 1-oxygen produced chamber, 2-master controls communicate building, 3-guardrooms, 4-oxygen supply standpipes, and 5-oxygen are registered one's residence ball valve,
6-oxygen decompression cabinets, 7-oxygen intelligent terminals, 8-disperse oxygen exhausts, 9-oxygen input branch pipes, 10-snuffing oxygen exhausts, 11-three
It is logical, 12-air compressors, 13-low efficient filters, 14-cooling driers, 15-essence effect tertiary filters, 16-oxygen main frame processeds,
17-oxygen storage tanks, 18-oxygen dedustings/sterilization device, 19-oxygen outlets, 20-system control cabinets, 21-electric control boxes,
22-heat dissipation wind channels, 23-air pipelines, 24-oxygen channels, 25-emergency fans, 26-warm-air driers.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
Referring to Fig.1, the present embodiment High aititude substation oxygen enrichment system cures by oxygen therapy pipeline, terminal control mechanism by oxygenerator
Three parts composition, oxygenerator and oxygen therapy piping connection, oxygen therapy pipeline are connected with terminal control mechanism.
In the present embodiment, the oxygen that oxygenerator is produced is delivered to master control communication building 2 and guardroom 3 by curing by oxygen therapy pipeline,
Oxygenerator is set in oxygen produced chamber 1, is equipped with terminal control mechanism in master control communication building 2 and guardroom 3.
Oxygen is transported to master control by oxygen therapy pipeline and communicates building 2 and guardroom 3 by the oxygen that oxygen produced chamber 1 produces, main
In control communication building 2 and guardroom Room 3 branch pipeline and bye-pass by the oxygen that oxygen produced chamber 1 exports be delivered to it is each use oxygen terminal, lead to
The terminal control mechanism control for crossing master control communication building 2 and guardroom 3 is opened into oxygen flow, according to indoor oxygen concentration automatic start-stop
With oxygen terminal.
Curing by oxygen therapy pipeline includes outdoor oxygen therapy pipeline and indoor oxygen therapy pipeline, and referring to Fig. 2, master control communicates the indoor oxygen therapy in building 2
Pipeline includes oxygen supply standpipe 4, oxygen input branch pipe 9, and the terminal control mechanism in master control communication building 2 includes that register one's residence ball valve 5, oxygen of oxygen subtracts
Case 6, oxygen intelligent terminal 7 and disperse oxygen exhaust 8 are pressed, outdoor oxygen therapy pipeline is connected with oxygen supply standpipe 4, supplies oxygen standpipe 4 and oxygen
Ball valve 5 of registering one's residence is connected, and oxygen ball valve 5 of registering one's residence is connected with oxygen decompression cabinet 6, and oxygen decompression cabinet 6 is connected with oxygen input branch pipe 9, cures by oxygen therapy
Branch pipe 9 is connected with oxygen intelligent terminal 7, and oxygen intelligent terminal 7 is connected with disperse oxygen exhaust 8.
Oxygen is sent into master control by oxygen supply standpipe 4 and communicates building 2 by outdoor oxygen therapy pipeline, and connection oxygen is registered one's residence ball valve 5 and oxygen
Gas decompression cabinet 6, oxygen ball valve 5 of registering one's residence can cut off the disengaging of oxygen, artificial in time to close oxygen when accident and repair and maintenance occurs
Ball valve 5 of registering one's residence installs oxygen decompression cabinet 6 and guarantees flood building oxygen to guarantee the stabilization of master control communication 2 flood building oxygen pressure of building
Atmospheric pressure is not less than 0.35Mpa, to carry out the oxygen supply of continuous-stable, can also reduce the pressure loss of pipeline, interior passes through defeated
Oxygen is sent to each and uses oxygen room, oxygen intelligent terminal 7 and disperse oxygen exhaust 8 by oxygen branch pipe 9, and oxygen intelligent terminal 7 controls oxygen
The unlatching and input of gas, while according to indoor oxygen concentration automatic start-stop, disperse oxygen exhaust 8 can be arranged more according to room-size
It is a, guarantee that room reaches the oxygen concentration of needs for 2 ~ 3 hours.
Referring to Fig. 3, the indoor oxygen therapy pipeline of guardroom 3 includes oxygen supply standpipe 4, threeway 11 and oxygen input branch pipe 9, guardroom 3
Terminal control mechanism include that register one's residence ball valve 5, oxygen decompression cabinet 6, oxygen intelligent terminal 7, disperse oxygen exhaust 8 and snuffing of oxygen goes out
Oxygen mouth 10, oxygen supply standpipe 4 and oxygen ball valve 5 of registering one's residence are connect, and oxygen ball valve 5 of registering one's residence is connect with oxygen decompression cabinet 6, oxygen decompression cabinet
6 connect with oxygen input branch pipe 9, and threeway 11 is equipped between oxygen decompression cabinet 6 and oxygen input branch pipe 9, and oxygen input branch pipe 9 is divided for disperse oxygen therapy
Branch pipe and snuffing oxygen input branch pipe, disperse oxygen input branch pipe are connect with oxygen intelligent terminal 7, oxygen intelligent terminal 7 and disperse oxygen exhaust 8
Connection, snuffing oxygen input branch pipe are connect with snuffing oxygen exhaust 10.
Oxygen is sent into guardroom 3 by oxygen supply standpipe 4 by outdoor oxygen therapy pipeline, and connection oxygen registers one's residence ball valve 5 and oxygen subtracts
Press case 6, oxygen ball valve 5 of registering one's residence can cut off the disengaging of oxygen, and when accident and repair and maintenance occurs, artificial oxygen of closing is registered one's residence in time
Ball valve 5, in order to guarantee the stabilization of 3 flood building oxygen pressure of guardroom, installation oxygen decompression cabinet 6 guarantees flood building oxygen pressure not
Lower than 0.35Mpa, to carry out the oxygen supply of continuous-stable, the pressure loss of pipeline can be reduced, also can guarantee personnel's nasal oxygen inhaling
The safety of gas, indoor location threeway 11 shunt oxygen, are sent oxygen to each by oxygen input branch pipe 9 and use oxygen region, oxygen intelligence
Terminal 7 controls the unlatching of oxygen, input, while according to indoor oxygen concentration automatic start-stop, disperse oxygen exhaust 8 can be big according to room
Small setting is multiple, guarantees that room reaches the oxygen concentration of needs for 2 ~ 3 hours, snuffing oxygen exhaust 10 is set as needed.
Referring to Fig. 4, High aititude substation oxygen enrichment system uses pressure-variable adsorption legal system oxygen, and pressure swing adsorption oxygen making device is arranged in
Oxygen produced chamber 1, pressure swing adsorption oxygen making device include air compressor 12, low efficient filter 13, cooling driers 14, essence effect tertiary filter
15, oxygen main frame processed 16, oxygen storage tank 17, oxygen dedusting/sterilization device 18, system control cabinet 20；It air compressor 12 and slightly imitated
Filter 13 is connected, and low efficient filter 13 is connected with cooling driers 14, and cooling driers 14 are connected with essence effect tertiary filter 15, essence effect three-level
Filter 15 is connected with oxygen main frame processed 16, and oxygen main frame processed 16 is connected with system control cabinet 20, and system control cabinet 20 passes through oxygen hose
Road 24 is connect with oxygen storage tank 17, and oxygen storage tank 17 forms oxygen outlet 19 after connecting oxygen dedusting/sterilization device 18.
Electric control box 21, emergency fan 25 and warm-air drier 26 are additionally provided in oxygen produced chamber 1, electric control box 21 meets oxygen processed
Indoor gas is discharged in failure, accident in time for the normal operation of 1 equipment of room, emergency fan 25, and warm-air drier 26 guarantees low temperature ring
Equipment running temperature under border.
Heat dissipation wind channel 22 is additionally provided in oxygen produced chamber 1, heat dissipation wind channel 22 is connected with air compressor 12, and air compressor 12 is logical
Air pipeline 23 is crossed to connect with air-source.
Under Room-temperature low-pressure, air is compressed through air pipeline 23 to air compressor 12, the heat that air compressor 12 generates
It is discharged from heat dissipation wind channel 22, the density of gas molecule increases in air unit volume after compression, improves the pressure of compressed air, passes through
13 dedusting of low efficient filter is crossed, is cooled to cooling driers 14, makes the Water vapor condensation in compressed air at drop, by automatic
Outside drainage system discharge machine, the water capacity in compressed air is reduced, using the further removal compression of essence effect tertiary filter 15
The impurity such as pollutant, dust, oil droplet, incrustation, condensation droplet in air, purification of compressed air, subsequently into oxygen main frame processed 16
Oxygen processed is, by pressure swing adsorption method (PSA), the air of compression purification to be utilized using molecular sieve as adsorbent using PSA oxygen
The Nitrogen adsorption capacity in air is increased when molecular sieve pressurizes, to the spy of the Nitrogen adsorption capacity reduction in air when decompression
Sign forms the Rapid Circulation process of pressurized adsorbent, decompression desorption, oxygen and nitrogen in air is enable to separate, and in air
Carbon dioxide, gaseous acid and other gaseous oxygen compounds etc. belong to the very strong substance of molecularity, are difficult through molecular sieve, thus
So that the oxygen purity of output is reached 93% ± 3% or more, oxygen storage tank 17 entered by oxygen channel 24 by system control cabinet 20,
The oxygen isolated is delivered to by outdoor oxygen therapy pipeline using room after oxygen dedusting/sterilization device 18 again dedusting, degerming
Between.
Oxygen enrichment system is arranged in the substation of the high altitude localities 3000m or more in the utility model, is to adapt to and cope with high sea
The area's extreme natural environment that rises sheer from level ground brings one of the effective way of adverse effect to human body, work, life, in height above sea level area higher
Special oxygen enrichment system is set in substation, it is ensured that the physical and mental health of power grid operation management personnel improves working efficiency, changes
Kind worker's production, living condition, promote sustainable development, embody humanistic care, to increase operations staff's acceptance and sense of ownership
It is significant.
Those skilled in the art can carry out various modifications to the utility model and modification, if these modifications and variations
Within the scope of the claims of the present invention and its equivalent technology, then these modifications and variations are also in the guarantor of the utility model
Within the scope of shield.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (3)
1. a kind of High aititude substation oxygen enrichment system, including oxygenerator, oxygen therapy pipeline and terminal control mechanism, oxygenerator with
Piping connection is cured by oxygen therapy, oxygen therapy pipeline is connected with terminal control mechanism, it is characterised in that: the oxygen that the oxygenerator is produced passes through
Oxygen therapy pipeline is delivered to master control communication building and guardroom, and oxygenerator is set in oxygen produced chamber, and master control communicates in building and guardroom
Equipped with terminal control mechanism, oxygen is transported to master control by oxygen therapy pipeline and communicates building and police by the oxygen that oxygen produced chamber produces
Room is defended, the oxygen that oxygen produced chamber exports is delivered to each with oxygen end by branch pipeline and bye-pass in master control communication building and guardroom room
End is opened by the terminal control mechanism control that master control communicates building and guardroom into oxygen flow, automatic according to indoor oxygen concentration
Start and stop oxygen terminal；
Curing by oxygen therapy pipeline includes outdoor oxygen therapy pipeline and indoor oxygen therapy pipeline, and the indoor oxygen therapy pipeline that master control communicates building includes that oxygen supply is vertical
The terminal control mechanism of pipe, oxygen input branch pipe, master control communication building includes that oxygen is registered one's residence ball valve, oxygen decompression cabinet, oxygen intelligent terminal
With disperse oxygen exhaust, outdoor oxygen therapy pipeline is connected with oxygen supply standpipe, supplies oxygen standpipe and oxygen ball valve of registering one's residence and is connected, and oxygen is registered one's residence ball
Valve is connected with oxygen decompression cabinet, and oxygen decompression cabinet is connected with oxygen input branch pipe, and oxygen input branch pipe is connected with oxygen intelligent terminal, oxygen intelligence
Energy terminal is connected with disperse oxygen exhaust；
The indoor oxygen therapy pipeline of guardroom includes that oxygen supply standpipe, threeway and oxygen input branch pipe, the terminal control mechanism of guardroom include
Oxygen is registered one's residence ball valve, oxygen decompression cabinet, oxygen intelligent terminal, disperse oxygen exhaust and snuffing oxygen exhaust, and oxygen supply standpipe enters with oxygen
The connection of family ball valve, oxygen ball valve of registering one's residence are connect with oxygen decompression cabinet, and oxygen decompression cabinet is connect with oxygen input branch pipe, oxygen decompression cabinet and
Be equipped with threeway between oxygen input branch pipe, oxygen input branch pipe be divided into disperse oxygen input branch pipe and snuffing oxygen input branch pipe, disperse oxygen input branch pipe with
The connection of oxygen intelligent terminal, oxygen intelligent terminal are connect with disperse oxygen exhaust, and snuffing oxygen input branch pipe is connect with snuffing oxygen exhaust；
Oxygenerator includes air compressor, low efficient filter, cooling driers, essence effect tertiary filter, oxygen main frame processed, oxygen storage
Tank, oxygen dedusting/sterilization device and system control cabinet；Air compressor is connected with low efficient filter, low efficient filter and cooling driers
It is connected, cooling driers are connected with essence effect tertiary filter, and essence effect tertiary filter is connected with oxygen main frame processed, oxygen main frame processed and system control
Cabinet processed is connected, and system control cabinet is connect by oxygen channel with oxygen storage tank, and oxygen storage tank connects shape after oxygen dedusting/sterilization device
At oxygen outlet.
2. High aititude substation as described in claim 1 oxygen enrichment system, it is characterised in that: described
Electric control box, emergency fan and warm-air drier are additionally provided in oxygen produced chamber.
3. High aititude substation as claimed in claim 1 or 2 oxygen enrichment system, it is characterised in that: be additionally provided in the oxygen produced chamber
Heat dissipation wind channel, heat dissipation wind channel are connected with air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607359.5U CN208907033U (en) | 2018-09-30 | 2018-09-30 | A kind of High aititude substation oxygen enrichment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607359.5U CN208907033U (en) | 2018-09-30 | 2018-09-30 | A kind of High aititude substation oxygen enrichment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208907033U true CN208907033U (en) | 2019-05-28 |
Family
ID=66614008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821607359.5U Active CN208907033U (en) | 2018-09-30 | 2018-09-30 | A kind of High aititude substation oxygen enrichment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208907033U (en) |
-
2018
- 2018-09-30 CN CN201821607359.5U patent/CN208907033U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207361788U (en) | For producing the gas manufacturing equipment and air-conditioning of hydrogen and oxygen | |
| CN202387352U (en) | Small intelligent oxygen generating and pressing integrated machine | |
| CN106379863A (en) | Direct oxygen supply all-in-one machine for medical first-aid equipment and direct oxygen supply method of medical first-aid equipment | |
| CN209242680U (en) | Disperse oxygen system in a kind of control room room | |
| CN108394866A (en) | A kind of novel system oxygen supply shelter | |
| CN204873908U (en) | Solar energy system water machine | |
| CN208907033U (en) | A kind of High aititude substation oxygen enrichment system | |
| CN205108804U (en) | Air purification device of institutional advancement | |
| CN202128796U (en) | Oxygen source supply device used for anaesthesia machine or respirator | |
| CN204757146U (en) | System oxygen air conditioner | |
| CN108295351A (en) | A kind of home ventilator being used to help patient's recovery | |
| CN203699901U (en) | Oxygen generator | |
| CN204039056U (en) | A kind of motor-driven oxygen pressure oxygen fills bottle | |
| CN105344037A (en) | Air purification device with improved structure | |
| CN207313131U (en) | A kind of system for concentrating compression purification air to supply multiple oxygen separation units | |
| CN208413846U (en) | A kind of oxygenerator with residual neat recovering system | |
| CN206666122U (en) | A kind of domestic portable oxygen bactericidal purifying machine | |
| CN208200383U (en) | A kind of novel system oxygen supply shelter | |
| CN211822957U (en) | Oxygen-enriched carbon dioxide-removing fresh air system with waste heat recovery function | |
| CN206599442U (en) | Plateau low noise oxygenerator | |
| CN215832115U (en) | Intelligent new trend system of plateau pressure boost building | |
| CN109760809A (en) | Underwater boat device life-support system | |
| CN209685314U (en) | A kind of switching regulator energy storage device with nitrogen device | |
| CN202864910U (en) | Medical oxygen generator adapting to altitude environment | |
| CN2594693Y (en) | Air-conditioner with oxygen separating function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |