CN115177879A - Solid oxygen generating device - Google Patents
Solid oxygen generating device Download PDFInfo
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- CN115177879A CN115177879A CN202210818314.7A CN202210818314A CN115177879A CN 115177879 A CN115177879 A CN 115177879A CN 202210818314 A CN202210818314 A CN 202210818314A CN 115177879 A CN115177879 A CN 115177879A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/08—Respiratory apparatus containing chemicals producing oxygen
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination
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Abstract
The invention discloses a solid oxygen generating device, comprising: the oxygen analysis unit is used for acquiring the ambient oxygen concentration of the environment where the cabinet is located; a control unit; the early warning display unit is used for including: receiving and displaying the ambient oxygen concentration, receiving and executing a control signal; an instruction input unit for inputting a manual control instruction; the oxygen generating unit comprises more than one oxygen generating chamber; the oxygen generating unit generates and outputs oxygen according to the control signal or the input instruction; the battery module is arranged in the cabinet body; the power supply unit is electrically connected with the control unit, the early warning display unit, the instruction input unit and the oxygen generation unit respectively. The solid oxygen generating device has the functions of efficient oxygen production, automatic control monitoring, automatic monitoring of oxygen concentration, data operation display, early warning and the like, and can guarantee the normal work of equipment under the condition of power failure.
Description
Technical Field
The invention belongs to the technical field of safety emergency technologies and equipment, and particularly relates to a solid oxygen generating device suitable for plateau oxygen generation.
Background
The Qinghai-Tibet plateau is in earthquake activity period, earthquake disaster occurs, local incapability is used for self rescue, and social rescue is required. When a plain rescue team rapidly advances into a plateau, the plateau hypoxia problem is encountered firstly, the incidence rate of mountain sickness is very high, and the rapid advancement into the plateau cannot adopt plateau ladder adaptation to relieve the mountain sickness, so that the search and rescue capability is seriously reduced, even the search and rescue work cannot be carried out, and only the rescue can be retreated.
The most effective method for solving the problem of oxygen deficiency in plateau is oxygen supply. The small portable oxygenerator which relies on electric power as power, such as a molecular sieve pressure swing adsorption oxygenerator and a membrane separation oxygenerator, cannot be used due to no electric power supply in the early stage of an earthquake field, high-pressure gas oxygen is heavy, transportation is difficult, leakage danger exists, liquid oxygen needs to be stored at low temperature, the storage period is short, and the small portable oxygenerator and the membrane separation oxygenerator are not suitable for long-term use in plateau emergency rescue.
Solid oxygen generators (hereinafter referred to as oxygen fixation) produce oxygen by thermal decomposition of oxygen-rich chlorate at atmospheric pressure. The oxygen content of chlorate is up to 1g/cm 3 Volume of liquid oxygen of the same volume (liquid oxygen density 1.14 g/cm) 3 ) And is about 3 times the same volume of compressed oxygen. The oxygen fixation does not depend on the ambient environmental conditions to generate oxygen by itself, is not limited by the environment, and is suitable for all occasions; the portable multifunctional emergency rescue device has the advantages of small volume, light weight, convenience in carrying, simplicity in use, safety, reliability, long storage period, maintenance-free storage and the like, and is widely applied to overseas aerial stations, civil aviation passenger planes, submarines, medical first-aid treatment and the like. The oxygen fixation function is characterized in that the oxygen fixation is very suitable for emergency rescue oxygen supply, such as space station backup oxygen and mine refuge chamber oxygen supply.
The altitude anoxia causes frequent apnea of human sleep, seriously affects the night sleep quality of the human body, and directly affects the physical recovery of rescue workers. A large number of experiments prove that establishing the oxygen-enriched chamber is an effective technical way for improving the quality of the plateau sleep. At present, the oxygen source of the domestic plateau oxygen-enriched chamber is mainly a high-pressure gas cylinder and pressure swing adsorption oxygen generation, the high-pressure gas cylinder has transportation difficulty, and the pressure swing adsorption oxygen generation is influenced by external electric power, environmental humidity and the like, so that the pressure swing adsorption oxygen-enriched chamber is not suitable for serving as an earthquake relief oxygen-enriched chamber. Developing solid oxygen as oxygen supply device of oxygen-enriched room for plateau emergency rescue can solve the problem of rest oxygen deficiency protection of plateau rescue teams, protect the oxygen deficiency of rescue workers, improve the recovery speed of physical fatigue, reduce alternate operation, improve rescue efficiency and reduce rescue cost.
Based on the requirement of relief of earthquake in plateau, the automatic oxygen supply system is researched and developed on the basis of the existing oxygen-fixing product, and is suitable for 9 people below the plateau of 5000 m.
Disclosure of Invention
In order to solve the technical problem of how to improve the rapid and stable oxygen generation of the plateau environment in the prior art, the invention aims to provide the solid oxygen generation device suitable for the plateau oxygen generation.
The present invention provides a solid oxygen generating device, comprising:
a cabinet body is arranged in the cabinet body,
the oxygen analysis unit is used for acquiring the ambient oxygen concentration of the environment where the cabinet body is located;
a control unit for outputting a control signal according to the ambient oxygen concentration;
the early warning display unit, it with the control unit is connected, early warning display unit is used for including: receiving and displaying the ambient oxygen concentration, receiving and executing the control signal;
an instruction input unit for inputting a manual control instruction;
the oxygen generating unit is connected with the instruction input unit and the control unit and comprises more than one oxygen generating chamber; the oxygen generating unit generates and outputs oxygen according to the control signal or the input instruction; the more than one oxygen making chambers are arranged in the cabinet body, and the oxygen making chambers are connected to an oxygen outlet on the cabinet body through an oxygen pipeline;
the battery module is arranged in the cabinet body; the power supply unit is electrically connected with the control unit, the early warning display unit, the instruction input unit and the oxygen generation unit respectively.
According to one embodiment of the present application, the control unit includes:
the power supply processing module is connected with the power supply unit and is used for carrying out secondary conversion on the power supply provided by the power supply unit into electric energy required by hardware;
at least one sensor including an oxygen concentration sensor for acquiring ambient oxygen concentration, the sensor outputting an acquisition signal;
the data acquisition module is connected with the at least one sensor and used for receiving the acquired signals and filtering the acquired signals;
the information processing module comprises a processor and a peripheral circuit thereof, and is used for receiving and processing the acquired signals and outputting control signals;
the data storage module is connected with the information processing module and the data acquisition module and is used for storing the acquisition signals and/or the control signals;
and the output control module is connected with the information processing module and is used for transmitting the control signal.
According to an embodiment of the present application, the power supply processing module includes, in cascade in order:
the electromagnetic compatibility filtering component is used for enabling the power supply to meet the electromagnetic compatibility requirement and filtering the power supply;
a peak surge prevention component for preventing a peak surge of the power supply;
the power-maintaining capacitor assembly is used for maintaining power supply when the terminal is powered; and
and the power supply conversion component is used for secondarily converting the power supply into the electric energy required by the hardware.
According to one embodiment of the present application, the measured concentration of the oxygen concentration sensor comprises 19 to 21%, the use temperature satisfies-30 to 50 ℃, and the storage temperature satisfies-55 to 70 ℃.
According to an embodiment of the present application, the warning display unit includes:
the resolving module is used for acquiring and resolving the ambient oxygen concentration;
the trigger control module judges whether oxygen is generated or not according to the resolved ambient oxygen concentration, and if so, a trigger opening instruction is generated;
the visual alarm prompting module is used for carrying out visual prompt according to the calculated ambient oxygen concentration;
the sound alarm prompting module is used for carrying out sound prompt according to the calculated ambient oxygen concentration;
the power supply display module is used for displaying the current power supply electric quantity; and/or
The charging display module is used for displaying the current charging condition;
the resolving module is respectively connected with the trigger control module, the visual alarm prompting module and/or the sound alarm module.
According to one embodiment of the application, the visual warning prompt module, the power supply display module and/or the charging display module share the same display device.
According to one embodiment of the present application, the instruction input unit includes:
the interactive screen is arranged on the surface of the cabinet body; and/or
At least one manual switch arranged on the surface of the cabinet body;
wherein the interactive screen and/or the at least one manual switch are connected with the oxygen generating unit.
According to one embodiment of the application, the interactive screen comprises one or more of the following: interactive liquid crystal screen, holographic interactive screen.
According to one embodiment of the application, a plurality of oxygen producing chambers of the oxygen producing unit are connected in series, in parallel or in series-parallel with each other through the oxygen pipeline.
According to one embodiment of the application, the power supply unit comprises one or more of the following in combination:
the power supply connection module is connected with commercial power; and/or
One or more battery modules that are rechargeable.
The invention has the beneficial effects that:
aiming at the requirement of a solid oxygen control unit for plateau oxygen supply, the invention adopts the technologies of multi-sensing discrimination, single chip microcomputer control, upper computer display and the like, develops the designs of sensor integration and judgment, information transmission and conversion, single chip microcomputer control and the like, realizes the real-time and accurate acquisition, transmission, judgment, display, early warning and the like of the ambient oxygen concentration, and adapts to the specific environmental requirement. The invention can meet the use requirement of the plateau.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a solid oxygen generating device according to an embodiment.
FIG. 2 is a schematic view showing the connection of the internal structure of the solid oxygen generating device in one embodiment.
FIG. 3 is a schematic diagram of a control unit in one embodiment.
Fig. 4 is a functional framework diagram of a power supply processing module.
Fig. 5 is a front view of the solid oxygen generating device.
Fig. 6 is a side view of the solid oxygen generating device.
Fig. 7 is a plan view of the solid oxygen generating device.
The reference numbers illustrate:
1-a cabinet body;
2-an oxygen analysis unit;
3-a control unit;
31-a power supply processing module;
311-an electromagnetic compatibility filter component;
312-spike surge prevention component;
313-a power conservation capacitance component;
314-a power conversion component;
32-a data acquisition module;
33-an information processing module;
34-a data storage module;
35-an output control module;
4-an early warning display unit;
5-an oxygen producing chamber;
51-oxygen pipeline;
52-an oxygen outlet;
6-a power supply unit;
7-interactive screen;
8-manual switch.
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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or both elements may be in communication. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
FIG. 1 is a perspective view of a solid oxygen generating device according to an embodiment. Wherein the solid oxygen generating apparatus comprises: the oxygen generating cabinet comprises a cabinet body 1, an oxygen analysis unit 2, a control unit 3, an early warning display unit 4, an instruction input unit, an oxygen generating unit and a power supply unit 6. Fig. 2 is a schematic view showing the internal structural connection of the solid oxygen generating device in one embodiment.
The oxygen analysis unit 2 is configured to collect an ambient oxygen concentration and transmit the ambient oxygen concentration to the control unit 3. Considering that "the oxygen concentration measurement range should be 19-21%; the use temperature is-30-50 ℃; the storage temperature is-55-70 ℃, and the sensor in the embodiment is an alpha sense oxygen concentration sensor O2-A2. The sensor output is linear with the partial pressure of oxygen. The temperature at which the O2-A2 sensor is compensated has an effect ranging from-30 ℃ to 55 ℃. Each new sensor has a unique signal output, the full range accuracy of O2-A2 is + -1% or better, at a constant pressure operating temperature range.
Wherein the control unit 3 is configured to output a control signal according to the ambient oxygen concentration. Early warning display element 4 with control unit 3 is connected, early warning display element 4's function includes: receiving and displaying the ambient oxygen concentration, receiving and executing the control signal. The instruction input unit is used for inputting manual control instructions. The oxygen generating unit is connected with the instruction input unit and the control unit 3, and comprises more than one oxygen producing chamber 5. And the oxygen generating unit generates and outputs oxygen according to the control signal or the input instruction. The more than one oxygen making chambers 5 are arranged in the cabinet body 1, and the oxygen making chambers 5 are connected to an oxygen outlet 52 on the cabinet body 1 through an oxygen pipeline 51. The battery module is arranged in the cabinet body 1. The power supply unit 6 is electrically connected with the control unit 3, the early warning display unit 4, the instruction input unit and the oxygen generation unit respectively.
Specifically, fig. 3 shows a schematic diagram of the control unit 3 in an embodiment. The control unit 3 includes: a power supply processing module 31, a data acquisition module 32, an information processing module 33, a data processing module and an output control module 35.
The power processing module 31 is connected to the power unit 6, and is configured to convert the power provided by the power unit 6 into the electric energy required by the hardware for the second time.
Illustratively, in order to consider the electromagnetic compatibility requirements of the system with the mains supply and other circuits, a filter is selected for filtering the power supply. Aiming at the requirement of preventing the peak surge, a peak surge preventing module is selected. The capacitor power-protection circuit is designed according to the requirement that a system needs to supply power normally in the power supply interruption time of a product, the product charges a capacitor while the power supply is supplied, and the capacitor supplies power in the power supply interruption time. Fig. 4 shows a functional block diagram of the power processing module 31 in this example. The power processing module 31 includes an electromagnetic compatibility filtering component 311, a spike surge preventing component 312, a power protection capacitor component 313 and a power conversion component 314, which are cascaded in sequence. The electromagnetic compatibility filter component 311 is used to make the power supply meet the electromagnetic compatibility requirement and filter the power supply. Anti-spike surge component 312 is used to prevent spike surges of the power supply. The power conservation capacitance assembly 313 is used to maintain power supply when the terminal is powered. The power conversion module 314 is used to convert the power source into the power required by the hardware.
The data acquisition module 32 is connected to the at least one sensor, and is configured to receive the acquired signal and perform filtering processing on the acquired signal. The data acquisition module 32 includes an SCI serial circuit, an AD sampling circuit, a signal conditioning circuit, an SPI serial circuit, a CAN bus communication circuit, an I/O circuit, and the like. In order to realize the accuracy and reliability of oxygen concentration acquisition, at least 3 channels of oxygen concentration acquisition are adopted, and interfaces for acquiring other environmental parameters are reserved, so that subsequent expansion is facilitated.
The information processing module 33 includes a processor and its peripheral circuits, and is used for receiving and processing the collected signals and outputting control signals. The information processing module 33 adopts a high-performance microprocessor to realize functions of fusion and processing of various information, comprehensive judgment, control instruction output and the like. The peripheral circuit includes a clock circuit and a reset circuit.
The data storage module 34 is connected to the information processing module 33 and the data acquisition module 32, and is configured to store the acquired signal and/or the control signal. The data storage module 34 includes a Flash storage circuit and an EERROM memory, and the data storage module 34 mainly stores threshold information, preset information and some key data information.
The output control module 35 is connected to the information processing module 33, and is configured to transmit the control signal. The output control module 35 realizes display of information such as ambient oxygen concentration, visual alarm prompt, power supply electric quantity display, charging display, trigger control of oxygen fixation and the like through a driving circuit, a communication circuit and the like. The output control module 35 includes: the device comprises an I/O control output circuit, a PWM output circuit, an SCI serial port communication circuit, a CAN bus communication circuit, an SPI serial port communication circuit, an RS232 interface circuit and the like. Output control module 35 possesses the expansibility, can increase monitoring and demonstration such as ambient temperature, humidity, harmful gas as required, can increase oxygen trigger mechanism connection status monitoring and demonstration etc..
Specifically, the early warning display unit 4 includes: the device comprises a resolving module, a trigger control module, a visual alarm prompting module, a sound alarm prompting module, a power supply display module and/or a charging display module; the resolving module is respectively connected with the trigger control module, the visual alarm prompting module and/or the sound alarm module.
And the calculating module acquires and calculates the ambient oxygen concentration. And the trigger control module judges whether oxygen is generated or not according to the resolved ambient oxygen concentration, and generates a trigger opening instruction if the oxygen is generated. And the visual alarm prompting module performs visual prompt according to the calculated ambient oxygen concentration. And the sound alarm prompt module carries out sound prompt, such as buzzing alarm, according to the calculated ambient oxygen concentration. The power supply display module displays the current power supply electric quantity. And the charging display module displays the current charging condition.
More preferably, the visual warning prompt module, the power supply display module and/or the charging display module share the same display device.
In one embodiment, the interactive screen 7 is an interactive liquid crystal screen, the interactive liquid crystal screen and the plurality of manual switches 8 are disposed on the surface of the cabinet 1, and a user can input an instruction through the interactive liquid crystal screen and the manual switches 8. For example, an oxygen generation signal is manually input through the manual switch 8, and the oxygen generation chamber 5 connected to the manual switch 8 starts oxygen generation. For example, the manual switch 8 also comprises an emergency closing switch, and the oxygen generation chamber 5 can be immediately controlled to close the oxygen generation by pressing the emergency closing switch.
In this embodiment, the oxygen producing chambers 5 of the oxygen producing unit are connected in series, in parallel, or in series-parallel with each other through the oxygen pipeline 51. In the embodiment, six oxygen making chambers 5 are arranged in series, each oxygen making chamber 5 is provided with a manual switch 8, each oxygen making chamber 5 can be started manually and independently, in addition, the control unit 3 receives an ambient oxygen concentration signal, after the ambient oxygen concentration reaches a set threshold value, a high level is output, the oxygen chamber ignition interface 53 at the top of the oxygen making chamber 5 is started through the control of the voltage-controlled constant-current circuit, and therefore the six oxygen making chambers 5 are controlled to start to work in sequence.
The time of keeping the running state is more than or equal to 16 hours under the internal and external electric conditions; the use temperature is-30-50 ℃; the power supply requirement of-55-70 ℃ is stored, and the power module independently supplies power to the system under the condition of full charge (mainly comprising a display, a control unit (3), a constant current circuit and the like). The power supply unit 6 includes one or more of the following in combination: a power connection module 61 connected to the mains and/or one or more battery modules that are rechargeable. According to the preliminary calculation, the battery capacity of the system is at least 13000mAh under the rated voltage of 12V and the rated current of the system of about 250 mA. The battery module of the embodiment selects LA148F20C series super-large capacity special low-temperature lithium battery. The built-in AC-to-DC conversion module provides an external commercial power interface for charging the battery.
Fig. 5 is a front view of the solid oxygen generating device, fig. 6 is a side view of the solid oxygen generating device, and fig. 7 is a plan view of the solid oxygen generating device. With reference to fig. 1 and 5 to 7, the cabinet 1 designed in the present application has an upper layer and a lower layer inside for placing the above 6 oxygen producing chambers 5, the power supply unit 6, the internal oxygen pipeline 51, the control unit 3 and other circuits. The side of the cabinet body 1 is provided with a mains supply interface and an oxygen outlet 52. The upper half surface of the cabinet body 1 is provided with an interactive liquid crystal screen, a plurality of manual switches 8 and an oxygen concentration sensor. As shown in fig. 1, 4 pulleys are further disposed at the bottom of the cabinet 1, so that the whole cabinet 1 can be moved conveniently.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, improvements, equivalents and the like that fall within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A solid oxygen generating device, comprising:
a cabinet body (1),
the oxygen analysis unit (2) is used for collecting the ambient oxygen concentration of the environment where the cabinet body (1) is located;
a control unit (3) for outputting a control signal in dependence on the ambient oxygen concentration;
an early warning display unit (4) connected with the control unit (3), the early warning display unit (4) being configured to include: receiving and displaying the ambient oxygen concentration, receiving and executing the control signal;
an instruction input unit for inputting a manual control instruction;
the oxygen generating unit is connected with the instruction input unit and the control unit (3), and comprises more than one oxygen producing chamber (5); the oxygen generating unit generates and outputs oxygen according to the control signal or the input instruction; the more than one oxygen making chambers (5) are arranged in the cabinet body (1), and the oxygen making chambers (5) are connected to an oxygen outlet (52) on the cabinet body (1) through an oxygen pipeline (51);
a power supply unit (6) in which the battery module is disposed in the cabinet body (1); the power supply unit (6) is electrically connected with the control unit (3), the early warning display unit (4), the instruction input unit and the oxygen generation unit respectively.
2. The solid oxygen generating device according to claim 1, wherein the control unit (3) comprises:
the power supply processing module (31) is connected with the power supply unit (6) and is used for carrying out secondary conversion on the power supply provided by the power supply unit (6) into electric energy required by hardware;
the data acquisition module (32) is connected with the oxygen analysis unit (2) and is used for receiving the acquired signals and filtering the acquired signals;
an information processing module (33) comprising a processor and its peripheral circuits for receiving and processing the acquisition signals and outputting control signals;
a data storage module (34) connected with the information processing module (33) and the data acquisition module (32) and used for storing the acquisition signals and/or the control signals;
and the output control module (35) is connected with the information processing module (33) and is used for transmitting the control signal.
3. The solid oxygen generator device according to claim 2, wherein said power supply processing module (31) comprises, in cascade in sequence:
an electromagnetic compatibility filtering component (311) for making the power supply meet electromagnetic compatibility requirements and filtering the power supply;
a spike surge prevention component (312) for preventing a spike surge of the power supply;
a power conservation capacitance assembly (313) for maintaining power supply when the terminal is powered; and
and the power supply conversion component (314) is used for secondarily converting the power supply into the electric energy required by the hardware.
4. The solid oxygen generating device according to claim 2, wherein the measured concentration of the oxygen analyzing unit (2) comprises 19 to 21%, the use temperature satisfies-30 to 50 ℃, and the storage temperature satisfies-55 to 70 ℃.
5. The solid oxygen generating device according to claim 1, wherein the early warning display unit (4) comprises: the resolving module is used for acquiring and resolving the ambient oxygen concentration;
the trigger control module judges whether oxygen is generated or not according to the resolved ambient oxygen concentration, and if so, a trigger opening instruction is generated;
the visual alarm prompting module is used for carrying out visual prompt according to the calculated ambient oxygen concentration;
the sound alarm prompting module is used for carrying out sound prompt according to the calculated ambient oxygen concentration;
the power supply display module is used for displaying the current power supply electric quantity; and/or
The charging display module is used for displaying the current charging condition;
the resolving module is respectively connected with the trigger control module, the visual alarm prompting module and/or the sound alarm module.
6. The solid oxygen generating device according to claim 5, wherein the visual alarm prompting module, the power display module and/or the charging display module share the same display device.
7. The solid oxygen generating device according to claim 1, wherein the instruction input unit includes:
the interactive screen (7) is arranged on the surface of the cabinet body (1); and/or
At least one manual switch (8) arranged on the surface of the cabinet body (1);
wherein the interaction screen (7) and/or the at least one manual switch (8) are connected with the oxygen generating unit.
8. A solid oxygen generating device according to claim 7, characterized in that the interactive screen (7) comprises one or more of the following: interactive liquid crystal screen, holographic interactive screen.
9. The solid oxygen generating device according to claim 1, wherein the oxygen producing chambers (5) of the oxygen generating unit are connected with each other in series, parallel or series-parallel manner through the oxygen pipeline (51).
10. The solid oxygen generating device according to claim 1, wherein the power supply unit (6) comprises one or more of the following in combination:
a power supply connection module (61) connected with the commercial power; and/or
One or more battery modules that are rechargeable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210818314.7A CN115177879A (en) | 2022-07-13 | 2022-07-13 | Solid oxygen generating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210818314.7A CN115177879A (en) | 2022-07-13 | 2022-07-13 | Solid oxygen generating device |
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| CN115177879A true CN115177879A (en) | 2022-10-14 |
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2022
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