CN114397342A - Novel oxygen concentration multipoint monitoring device in life cabin - Google Patents
Novel oxygen concentration multipoint monitoring device in life cabin Download PDFInfo
- Publication number
- CN114397342A CN114397342A CN202210159821.4A CN202210159821A CN114397342A CN 114397342 A CN114397342 A CN 114397342A CN 202210159821 A CN202210159821 A CN 202210159821A CN 114397342 A CN114397342 A CN 114397342A
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- oxygen
- gas
- electrically connected
- cabin
- chip microcomputer
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000001301 oxygen Substances 0.000 title claims abstract description 122
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 122
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 104
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims description 40
- 230000000007 visual effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012937 correction Methods 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of oxygen concentration monitoring of a life cabin, and particularly relates to a novel multipoint oxygen concentration monitoring device in the life cabin. In order to compensate the influence of the temperature change of the gas to be measured on the oxygen permeability of the oxygen permeable membrane in the sensor and cause the output drift of the diffusion current, the invention arranges a temperature sensor in the gas chamber of the oxygen electrode for temperature tracking monitoring, therefore, the precise temperature sensor is adopted in the gas chamber of the oxygen electrode for temperature acquisition, the actually generated error is effectively compensated, and after the compensation and correction are carried out by the singlechip, the precise and stable result can be obtained, and the measurement range is widened.
Description
Technical Field
The invention relates to the technical field of oxygen concentration monitoring of a life cabin, in particular to a novel multipoint oxygen concentration monitoring device in the life cabin.
Background
Safety is the most fundamental psychological need for patients undergoing life-capsule therapy. The monitoring of the oxygen concentration of the life compartment in the piece of basic psychological needs of the patient becomes an important part of the basic stone. In most of accidents in a multi-person cabin treated by air pressurization, the oxygen concentration is overhigh and caused by naked fire, so that the oxygen concentration needs to be strictly observed and controlled in the cabin operation process.
In a life cabin system, monitoring and control of oxygen concentration occupy an important position, and at present, the life cabin mostly adopts single-point monitoring, so that when an oxygen leakage position is far away from a sampling port, the oxygen leakage position can be detected only when the oxygen leakage position is dispersed to the sampling port. Because the environment is complicated in the cabin, the pipeline contact is many, and single-point monitoring can't accurate detection cabin interior oxygen concentration, and multiple spot monitoring can set up a plurality of sampling terminals in the cabin, can produce high oxygen concentration position to a plurality of predictions and detect respectively, and the accuracy is higher, can truly, accurately reflect the change condition of oxygen concentration in the oxygen cabin, in time reminds the operation cabin personnel to control the business turn over tolerance, has very important meaning to the security performance that improves the life cabin.
Disclosure of Invention
The invention aims to provide a novel multipoint monitoring device for oxygen concentration in a life cabin, which solves the problem that the traditional monitoring device for oxygen concentration in the life cabin has inaccurate detection result due to certain deviation of an electric signal output value caused by temperature change, and solves the problem that a single-air-chamber oxygen analyzer has low accuracy and is difficult to accurately reflect the change condition of the oxygen concentration in the oxygen cabin.
In order to achieve the purpose, the invention provides the following technical scheme: a novel multipoint oxygen concentration monitoring device in a life cabin comprises a single chip microcomputer, a display device, a printing device, a clock circuit, a pressure transmitter, a gas flow sensor, a first oxygen sensor, a second oxygen sensor, the life cabin, a first gas sample sampling valve, a second gas sample sampling valve, a first gas flowmeter, a second gas flowmeter and an oxygen analyzer, wherein the single chip microcomputer is electrically connected with the first oxygen sensor, the single chip microcomputer is electrically connected with the second oxygen sensor, the single chip microcomputer is electrically connected with the gas flow sensor, the single chip microcomputer is electrically connected with the pressure transmitter, the single chip microcomputer is electrically connected with the display device, the single chip microcomputer is electrically connected with the printing device, the single chip microcomputer is electrically connected with the clock circuit, and a first gas collecting pipe is connected between the life cabin and the oxygen analyzer, the first gas sampling valve is arranged on the first gas collecting pipe, the first gas flowmeter is arranged on the first gas collecting pipe, the first oxygen sensor is electrically connected with the oxygen analyzer, a second gas collecting pipe is connected between the life cabin and the oxygen analyzer, the second gas sampling valve is arranged on the second gas collecting pipe, the second gas flowmeter is arranged on the second gas collecting pipe, the second oxygen sensor is arranged on the second gas collecting pipe, and the second oxygen sensor is electrically connected with the oxygen analyzer.
Preferably, an amplifying circuit module and a temperature compensation module are electrically connected between the single chip microcomputer and the first oxygen sensor, temperature compensation can be performed through the arrangement of the amplifying circuit module and the temperature compensation module, and the problem that the accuracy of single chip microcomputer detection is poor due to overhigh or overlow temperature is avoided.
Preferably, electrically connected with amplifier circuit module and temperature compensation module between singlechip and the second oxygen sensor, through amplifier circuit module, temperature compensation module's setting, can carry out temperature compensation, avoid the high temperature or hang down excessively, cause the poor problem of accuracy that the singlechip detected.
Preferably, an amplifying circuit module is electrically connected between the single chip microcomputer and the pressure transmitter, and the accuracy of signal receiving of the single chip microcomputer is guaranteed through the arrangement of the amplifying circuit module.
Preferably, an amplifying circuit module is electrically connected between the single chip microcomputer and the gas flow sensor, and the accuracy of signal receiving of the single chip microcomputer is guaranteed through the arrangement of the amplifying circuit module.
Preferably, the inside electric connection of singlechip has audible and visual alarm module, through audible and visual alarm module's setting, can carry out audible and visual alarm and handle, reminds people oxygen concentration change.
Preferably, the pressure transmitter is connected to a sampling pipe between the life cabin and the sampling valve of the first gas sample sampling valve and the sampling valve of the second gas sample sampling valve, and the pressure in the life cabin can be monitored in real time through the arrangement of the pressure transmitter.
Preferably, the oxygen analyzer is electrically connected with a control host in the life cabin, so that the control host can automatically start the ventilation function, and the integral number of the oxygen in the cabin is less than 23% and is in a safety value.
Compared with the prior art, the invention has the following beneficial effects:
1. in order to compensate the influence of the temperature change of the gas to be measured on the oxygen permeability of the oxygen permeable membrane in the sensor and cause the output drift of the diffusion current, the invention arranges a temperature sensor in the gas chamber of the oxygen electrode for temperature tracking monitoring, therefore, the precise temperature sensor is adopted in the gas chamber of the oxygen electrode for temperature acquisition, the actually generated error is effectively compensated, and after the compensation and correction are carried out by the singlechip, the precise and stable result can be obtained, and the measurement range is widened.
2. The invention adopts the multi-air-chamber oxygen analyzer to carry out respective detection, has higher accuracy, can truly and accurately reflect the change condition of the oxygen concentration in the oxygen chamber, and timely reminds the operating personnel to control the gas inlet and outlet amount, thereby having important significance for improving the safety performance of the life chamber.
Drawings
FIG. 1 is a schematic circuit diagram of a multi-chamber oxygen analyzer of the present invention;
fig. 2 is a schematic diagram of a sampling line of the present invention.
In the figure: 1. a single chip microcomputer; 2. a display device; 3. a printing device; 4. a clock circuit; 5. a pressure transmitter; 6. a gas flow sensor; 7. a first oxygen sensor; 8. a second oxygen sensor; 9. a life cabin; 10. a first gas sample sampling valve; 11. a second gas sample sampling valve; 12. a first gas flow meter; 13. a second gas flow meter; 14. an oxygen analyzer; 15. a first gas collection tube; 16. a second gas collection tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a novel multipoint oxygen concentration monitoring device in a life cabin comprises a single chip microcomputer 1, a display device 2, a printing device 3, a clock circuit 4, a pressure transmitter 5, a gas flow sensor 6, a first oxygen sensor 7, a second oxygen sensor 8, a life cabin 9, a first gas sample sampling valve 10, a second gas sample sampling valve 11, a first gas flowmeter 12, a second gas flowmeter 13 and an oxygen analyzer 14, wherein the single chip microcomputer 1 is electrically connected with the first oxygen sensor 7, an amplifying circuit module and a temperature compensation module are electrically connected between the single chip microcomputer 1 and the first oxygen sensor 7, temperature compensation can be performed through the arrangement of the amplifying circuit module and the temperature compensation module, the problem that the accuracy of detection of the single chip microcomputer 1 is poor due to overhigh or overlow temperature is avoided, and the single chip microcomputer 1 is electrically connected with the second oxygen sensor 8, electric connection has amplifier circuit module and temperature compensation module between singlechip 1 and the second oxygen sensor 8, through amplifier circuit module, temperature compensation module's setting, can carry out temperature compensation, avoids the high temperature or crosses low excessively, causes the poor problem of accuracy that singlechip 1 detected.
Referring to fig. 1, the single chip microcomputer 1 is electrically connected to the gas flow sensor 6, the amplifying circuit module is electrically connected between the single chip microcomputer 1 and the gas flow sensor 6, the signal receiving accuracy of the single chip microcomputer 1 is ensured by the arrangement of the amplifying circuit module, the single chip microcomputer 1 is electrically connected to the pressure transmitter 5, the amplifying circuit module is electrically connected between the single chip microcomputer 1 and the pressure transmitter 5, the signal receiving accuracy of the single chip microcomputer 1 is ensured by the arrangement of the amplifying circuit module, the pressure transmitter 5 is connected to the sampling pipe between the life cabin 9 and the first gas sample sampling valve 10, the second gas sample sampling valve 11, the pressure in the life cabin 9 can be monitored in real time by the arrangement of the pressure transmitter 5, the single chip microcomputer 1 is electrically connected to the display device 2, and the single chip microcomputer 1 is electrically connected to the printing device 3, the single chip microcomputer 1 is electrically connected with the clock circuit 4, the sound and light alarm module is electrically connected inside the single chip microcomputer 1, sound and light alarm processing can be carried out through the arrangement of the sound and light alarm module, and people are reminded of oxygen concentration change.
Referring to fig. 1, a first gas collecting pipe 15 is connected between a life cabin 9 and an oxygen analyzer 14, a first gas sampling valve 10 is disposed on the first gas collecting pipe 15, a first gas flow meter 12 is disposed on the first gas collecting pipe 15, a first oxygen sensor 7 is disposed on the first gas collecting pipe 15, the first oxygen sensor 7 is electrically connected with the oxygen analyzer 14, a second gas collecting pipe 16 is connected between the life cabin 9 and the oxygen analyzer 14, a second gas sampling valve 11 is disposed on the second gas collecting pipe 16, a second gas flow meter 13 is disposed on the second gas collecting pipe 16, a second oxygen sensor 8 is disposed on the second gas collecting pipe 16, the second oxygen sensor 8 is electrically connected with the oxygen analyzer 14, the oxygen analyzer 14 is electrically connected with a control host inside the life cabin 9, so as to ensure that the control host automatically starts a ventilation function, and ensuring that the integral number of the oxygen in the cabin is less than 23 percent and is at a safety value.
The specific implementation process of the invention is as follows: when the novel oxygen concentration multipoint monitoring device in the life cabin is required to be used, under the control of the single chip microcomputer 1, the pressure transmitter 5 is connected to the first gas collecting pipe 15 and the second gas collecting pipe 16 between the life cabin 9 and the first gas sample sampling valve 10 and between the life cabin and the second gas sample sampling valve 11, and the pressure in the life cabin 9 is monitored in real time. Meanwhile, the oxygen electrode in the oxygen analyzer 14 and the gas flow sensor 6 are connected in series in sequence at the gas outlets of the first gas flowmeter 12 and the second gas flowmeter 13. When pressure exists in the chamber, the oxygen analyzer 14 analyzes and judges flow data of the sampling gas flowing through the oxygen electrode and the gas flow sensor 6 in sequence, so as to determine whether the gas to be detected in the oxygen electrode is the sampling gas led out from the chamber and flowing through in real time, judge whether the first gas sample sampling valve 10 and the second gas sample sampling valve 11 are opened, and provide a judgment basis for the oxygen analyzer 14 to work in a normal oxygen collecting and measuring state. When the first gas sample sampling valve 10 and the second gas sample sampling valve 11 are determined to be in the open state, the gas sample measured by the oxygen electrode in the oxygen analyzer 14 is a real-time gas sample from the cabin. The gas sample data measured by the oxygen electrode is sent into the singlechip 1, the temperature curve is corrected and processed by the temperature compensation module and the amplifying circuit module, and then the oxygen integral value is output, because the measurement of the oxygen volume fraction by the oxygen electrode is influenced by the temperature, a high-precision temperature sensor is arranged in the gas chamber of the oxygen electrode and used for temperature acquisition of the gas sample, so that the oxygen integral value is corrected and compensated, the output value is more accurate, and the gas acquisition pipe sequentially passes through the first gas sample sampling valve 10, the second gas sample sampling valve 11, the first gas flowmeter 12 and the second gas flowmeter 13 and is respectively sent into the oxygen electrode of the oxygen analyzer 14. The oxygen analyzer 14 continuously collects the oxygen content in the gas flowing through the oxygen electrode, if the oxygen content is abnormal, an audible and visual alarm is immediately given out, meanwhile, the oxygen analyzer 14 sends a signal to a control host of the life cabin 9, and at the moment, if the computer host is under full-automatic control, the ventilation function can be automatically started, so that the oxygen integration number in the cabin is ensured to be less than 23 percent and is within a safety value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel oxygen concentration multiple spot monitoring in life cabin device, includes singlechip (1), display device (2), printing device (3), clock circuit (4), pressure transmitter (5), gas flow sensor (6), first oxygen sensor (7), second oxygen sensor (8), life cabin (9), first gas appearance sampling valve (10), second gas appearance sampling valve (11), first gas flowmeter (12), second gas flowmeter (13), oxygen analysis appearance (14), its characterized in that: the gas sampling device is characterized in that the single chip microcomputer (1) is electrically connected with a first oxygen sensor (7), the single chip microcomputer (1) is electrically connected with a second oxygen sensor (8), the single chip microcomputer (1) is electrically connected with a gas flow sensor (6), the single chip microcomputer (1) is electrically connected with a pressure transmitter (5), the single chip microcomputer (1) is electrically connected with a display device (2), the single chip microcomputer (1) is electrically connected with a printing device (3), the single chip microcomputer (1) is electrically connected with a clock circuit (4), a first gas collecting pipe (15) is connected between the life cabin (9) and an oxygen analyzer (14), the first gas sampling valve (10) is arranged on the first gas collecting pipe (15), the first gas flowmeter (12) is arranged on the first gas collecting pipe (15), the first oxygen sensor (7) is arranged on the first gas collecting pipe (15), the first oxygen sensor (7) is electrically connected with the oxygen analyzer (14), a second gas collecting pipe (16) is connected between the life cabin (9) and the oxygen analyzer (14), the second gas sample sampling valve (11) is arranged on the second gas collecting pipe (16), the second gas flowmeter (13) is arranged on the second gas collecting pipe (16), the second oxygen sensor (8) is arranged on the second gas collecting pipe (16), and the second oxygen sensor (8) is electrically connected with the oxygen analyzer (14).
2. The novel multipoint oxygen concentration monitoring device in the living cabin as claimed in claim 1, wherein: an amplifying circuit module and a temperature compensation module are electrically connected between the single chip microcomputer (1) and the first oxygen sensor (7).
3. The novel multipoint oxygen concentration monitoring device in the living cabin as claimed in claim 1, wherein: an amplifying circuit module and a temperature compensation module are electrically connected between the single chip microcomputer (7) and the second oxygen sensor (8).
4. The novel multipoint oxygen concentration monitoring device in the living cabin as claimed in claim 1, wherein: and an amplifying circuit module is electrically connected between the singlechip (1) and the pressure transmitter (5).
5. The novel multipoint oxygen concentration monitoring device in the living cabin as claimed in claim 1, wherein: and an amplifying circuit module is electrically connected between the singlechip (1) and the gas flow sensor (6).
6. The novel multipoint oxygen concentration monitoring device in the living cabin as claimed in claim 1, wherein: the interior electric connection of singlechip (1) has audible and visual alarm module.
7. The novel multipoint oxygen concentration monitoring device in the living cabin as claimed in claim 1, wherein: the pressure transmitter (5) is connected to a sampling pipe between the life cabin (1) and the first gas sample sampling valve (10) and the second gas sample sampling valve (11).
8. The novel multipoint oxygen concentration monitoring device in the living cabin as claimed in claim 1, wherein: the oxygen analyzer (14) is electrically connected with the control host machine in the life cabin (9).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210159821.4A CN114397342A (en) | 2022-02-22 | 2022-02-22 | Novel oxygen concentration multipoint monitoring device in life cabin |
| PCT/CN2022/087283 WO2023159729A1 (en) | 2022-02-22 | 2022-04-18 | Novel multi-point monitoring device for oxygen concentration in life cabin |
| CN202310150938.0A CN116087430A (en) | 2022-02-22 | 2023-02-22 | Novel oxygen concentration multi-point monitoring device in life cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210159821.4A CN114397342A (en) | 2022-02-22 | 2022-02-22 | Novel oxygen concentration multipoint monitoring device in life cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114397342A true CN114397342A (en) | 2022-04-26 |
Family
ID=81235209
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210159821.4A Withdrawn CN114397342A (en) | 2022-02-22 | 2022-02-22 | Novel oxygen concentration multipoint monitoring device in life cabin |
| CN202310150938.0A Pending CN116087430A (en) | 2022-02-22 | 2023-02-22 | Novel oxygen concentration multi-point monitoring device in life cabin |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310150938.0A Pending CN116087430A (en) | 2022-02-22 | 2023-02-22 | Novel oxygen concentration multi-point monitoring device in life cabin |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN114397342A (en) |
| WO (1) | WO2023159729A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389651Y (en) * | 1999-09-17 | 2000-08-02 | 中国人民解放军第三军医大学第三附属医院 | Safety therapy monitoring device for large and medium hyperbaric oxygen chamber |
| CN2515680Y (en) * | 2002-01-22 | 2002-10-09 | 常州市科能电器有限公司 | Real-time on line monitor for controlling SF6 gas |
| US8251057B2 (en) * | 2003-06-30 | 2012-08-28 | Life Support Technologies, Inc. | Hyperbaric chamber control and/or monitoring system and methods for using the same |
| CN202554342U (en) * | 2012-04-12 | 2012-11-28 | 中国人民解放军南京军区南京总医院 | Medical hyperbaric oxygen chamber intelligent control oxygen measuring device |
| CN105158311A (en) * | 2015-10-20 | 2015-12-16 | 重庆特瑞尔分析仪器有限公司 | Universal oxygen gas analyzer and control method thereof |
| CN110063859A (en) * | 2019-05-05 | 2019-07-30 | 烟台宏远氧业股份有限公司 | A kind of hyperbaric oxygen chamber equipment operational monitoring method and system |
| CN111207967B (en) * | 2020-01-17 | 2020-11-10 | 安徽建筑大学 | Nitrogen-rich gas oxygen concentration detection device for airborne membrane separator |
| CN215779423U (en) * | 2021-04-30 | 2022-02-11 | 兵器工业卫生研究所 | Normal-pressure low-oxygen cabin for training people who rush to plateau |
-
2022
- 2022-02-22 CN CN202210159821.4A patent/CN114397342A/en not_active Withdrawn
- 2022-04-18 WO PCT/CN2022/087283 patent/WO2023159729A1/en unknown
-
2023
- 2023-02-22 CN CN202310150938.0A patent/CN116087430A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023159729A1 (en) | 2023-08-31 |
| CN116087430A (en) | 2023-05-09 |
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Application publication date: 20220426 |