1. A portable oxygen generator is characterized by comprising a shell, an oxygen generation unit, a sensor unit, a pulse electromagnetic valve, an oxygen outlet joint, a control unit and a power module, wherein the oxygen generation unit is connected with the oxygen outlet joint through the pulse electromagnetic valve and comprises a direct current compressor, a molecular sieve and an oxygen storage tank, the direct current compressor absorbs air from the outside and compresses the air to the molecular sieve for oxygen-nitrogen separation, then sends oxygen into the oxygen storage tank, and the control unit controls and adjusts the pulse electromagnetic valve according to information of the sensor unit; the sensor unit comprises a respiration sensor, and the control unit adaptively controls the oxygen generation unit and the electromagnetic valve to work to control the frequency and the flow of pulse oxygen supply according to the detection information of the respiration sensor through a prefabricated program.

2. The portable oxygen generator as claimed in claim 1, wherein the respiration sensor comprises a negative pressure sensor, the negative pressure sensor detects the respiration rate by detecting the inhalation action of the user, and the control unit performs calculation according to the detected respiration rate and by integrating preset exercise physiology big data to obtain the optimal single oxygen supply flow and pulse oxygen supply time interval.

3. The portable oxygen generator as claimed in claim 2, wherein the negative pressure sensor comprises two foils disposed in the snorkel, the two foils contacting each other in the negative pressure state of inspiration causing the signal feedback circuit to be connected, and the two foils being disconnected in the positive pressure state of expiration causing the signal feedback circuit to be disconnected.

4. The portable oxygen generator as claimed in claim 2 or 3, wherein the control unit controls the oxygen generating unit to output oxygen at a set high speed at a set very early stage of user inhalation.

5. The portable oxygen generator as claimed in any one of claims 1 to 4, wherein the respiration sensor further comprises a hygrothermograph for detecting the temperature and humidity of the respiratory gas, a gas heating and humidifying module is disposed between the pulse solenoid valve and the oxygen outlet connector, and the control unit further adaptively controls the gas heating and humidifying module to heat and humidify the oxygen according to the detected temperature and humidity of the respiratory gas.

6. The portable oxygen generator as claimed in any one of claims 1 to 5, wherein the sensor unit further comprises a gas concentration sensor of oxygen, carbon dioxide and nitrogen for detecting the concentrations of oxygen, carbon dioxide and nitrogen exhaled by the user and the concentration of inhaled oxygen, and the control unit further determines the oxygen consumption and oxygen deficiency of the body according to the detected concentrations of oxygen, carbon dioxide and nitrogen, and adaptively controls the oxygen generation unit and the solenoid valve to operate to control the frequency and flow rate of pulse oxygen supply.

7. The portable oxygen generator as claimed in any one of claims 1 to 6, wherein the sensor unit further comprises an ambient oxygen concentration sensor disposed outside the housing for detecting ambient oxygen concentration, and the control unit further adaptively controls the operation of the oxygen generation unit and the electromagnetic valve to control the frequency and flow rate of pulse oxygen supply according to the detected ambient oxygen concentration; preferably, the sensor unit further comprises an environmental pressure sensor, and the control unit further calculates oxygen supplement amount by combining the environmental pressure and controls the oxygen generation unit to adjust the oxygen generation efficiency and the oxygen output flow.

8. The portable oxygen generator as claimed in any one of claims 1 to 7, wherein the sensor unit further comprises a blood oxygen detector for detecting blood oxygen data of a user, the control unit further determines oxygen consumption and oxygen deficiency of the body according to the detected blood oxygen data, and adaptively controls the oxygen generation unit and the electromagnetic valve to operate to control the frequency and flow rate of pulse oxygen supply.

9. The portable oxygen generator as claimed in any one of claims 1 to 8, further comprising a sterilization system for sterilizing the oxygen produced by the oxygen generation unit.

10. The portable oxygen generator as claimed in any one of claims 1 to 9, further comprising an oxygen pressure sensor in the oxygen storage tank, wherein the control unit further adjusts the operating efficiency of the dc compressor according to the oxygen pressure in the oxygen storage tank, and reduces the power of the dc compressor when the oxygen pressure sensor in the oxygen storage tank detects that the pressure in the oxygen storage tank reaches a preset threshold.

Background

The plateau has the characteristics of low air pressure, hypoxia, large day and night temperature difference, dryness, strong radiation, strong ultraviolet rays and the like, and the resident plateau population can cause chronic altitude diseases due to excessive erythrocytosis, obvious pulmonary hypertension and severe hypoxemia caused by the failure or the loss of adaptation of habituation. The severe environment of the plateau seriously threatens the health of human beings, and oxygen inhalation is one of the most effective methods for preventing and treating altitude stress and altitude diseases, so that the plateau oxygen supply guarantee engineering is needed to be implemented to solve the problem of oxygen utilization in the plateau.

At present, various mature oxygen supplying technologies are available, including a pressurized oxygen chamber, indoor membrane separation and dispersion oxygen supplying, an oxygen cylinder and the like. However, these are inconvenient for people who need to do exercises on plateaus, and are not portable enough and have poor cruising ability.

As the altitude rises, the air is gradually rarefied, and the oxygen production and concentration of the molecular sieve oxygen generator are reduced. How to improve the oxygen utilization efficiency and prolong the endurance time of the oxygen generator without increasing the weight of the oxygen generator and reducing the performance index is an urgent problem to be solved.

It is to be noted that the information disclosed in the above background section is only for understanding the background of the present application and thus may include information that does not constitute prior art known to a person of ordinary skill in the art.

Disclosure of Invention

The main purpose of the present invention is to overcome the above drawbacks of the background art, and to provide a portable oxygen generator that can be adjusted based on respiration conditions.

In order to achieve the purpose, the invention adopts the following technical scheme:

a portable oxygen generator comprises a shell, an oxygen generation unit, a sensor unit, a pulse electromagnetic valve, an oxygen generation joint, a control unit and a power module, wherein the oxygen generation unit is connected with the oxygen generation joint through the pulse electromagnetic valve and comprises a direct current compressor, a molecular sieve and an oxygen storage tank, the direct current compressor absorbs air from the outside and compresses the air to the molecular sieve for oxygen-nitrogen separation, then oxygen is sent to the oxygen storage tank, and the control unit controls and adjusts the pulse electromagnetic valve according to information of the sensor unit; the sensor unit comprises a respiration sensor, and the control unit adaptively controls the oxygen generation unit and the electromagnetic valve to work to control the frequency and the flow of pulse oxygen supply according to the detection information of the respiration sensor through a prefabricated program.

Further:

the respiratory sensor comprises a negative pressure sensor, the negative pressure sensor detects respiratory frequency through detecting the inspiration action of a user, and the control unit calculates according to the detected respiratory frequency and the comprehensive preset movement physiology big data to obtain the optimal single oxygen supply flow and pulse oxygen supply time interval.

The negative pressure sensor comprises two metal sheets arranged in the nasal inhalation tube, the two metal sheets are contacted under the negative pressure inhalation state to lead to the communication of the signal feedback circuit, and the two metal sheets are disconnected under the positive pressure exhalation state to lead to the disconnection of the signal feedback circuit.

The control unit controls the oxygen generation unit to output oxygen at a set high speed in a set very early stage of user inhalation.

The respiratory sensor further comprises a hygrothermograph for detecting the temperature and humidity of respiratory gas, a gas heating and humidifying module is arranged between the pulse electromagnetic valve and the oxygen outlet joint, and the control unit further adaptively controls the gas heating and humidifying module to heat and humidify oxygen according to the detected temperature and humidity of the respiratory gas. The temperature and humidity are adjusted according to the gas indexes detected by the breathing sensor, so that the discomfort of a user is greatly relieved.

The sensor unit still includes oxygen, carbon dioxide, the trinity gas concentration sensor of nitrogen gas for detect the concentration of the oxygen of user's exhalation, carbon dioxide and nitrogen gas, and the concentration of inspiratory oxygen, the control unit is still according to the concentration of the oxygen that detects, carbon dioxide and nitrogen gas, judges organism oxygen consumption condition and oxygen deficiency condition, controls on the adaptation the system oxygen unit reaches the frequency and the flow of solenoid valve work with the control pulse oxygen suppliment.

The sensor unit also comprises an environmental oxygen concentration sensor arranged outside the shell and used for detecting the environmental oxygen concentration, and the control unit also adaptively controls the oxygen generation unit and the electromagnetic valve to work according to the detected environmental oxygen concentration so as to control the frequency and the flow of pulse oxygen supply; preferably, the sensor unit further comprises an environmental pressure sensor, and the control unit further calculates oxygen supplement amount by combining the environmental pressure and controls the oxygen generation unit to adjust the oxygen generation efficiency and the oxygen output flow.

The sensor unit further comprises a blood oxygen detector for detecting blood oxygen data of a user, the control unit further judges oxygen consumption and oxygen deficiency of the body according to the detected blood oxygen data, and adaptively controls the oxygen generation unit and the electromagnetic valve to work so as to control the frequency and flow of pulse oxygen supply.

The oxygen making device further comprises a sterilization system, and the sterilization system is used for performing sterilization treatment on the oxygen prepared by the oxygen making unit.

The control unit is used for adjusting the working efficiency of the direct current compressor according to the oxygen pressure in the oxygen storage tank, and when the oxygen pressure sensor in the oxygen storage tank detects that the pressure of the oxygen storage tank reaches a preset threshold value, the power of the direct current compressor is reduced.

The invention has the following beneficial effects:

the invention provides a portable oxygen generator capable of being adjusted based on breathing conditions, which can be effectively suitable for long-time exercise operation in a plateau environment and the conditions that the breathing frequency and the oxygen consumption of a user have great fluctuation. The pulse type portable oxygen generator adjusted based on the breathing condition can adjust and control the oxygen pulse duration and flow according to the situation of plateau operators, and the feedback adjustment mechanism not only adapts to the actual oxygen demand of users in the plateau environment, but also can effectively save energy and prolong the endurance time of the oxygen generator.

Compared with the prior art, the embodiment of the invention has the following advantages: the power of the direct current compressor can be effectively adjusted, the energy consumption is reduced, and the endurance time is prolonged; the oxygen is heated and humidified, so that the discomfort is reduced; the breathing condition is monitored, and the oxygen supply flow and frequency are regulated and controlled by combining the exercise physiology big data, so that the effects of oxygen generation and variable frequency energy conservation are achieved. By detecting the actual oxygen utilization and oxygen deficiency conditions of the user and assisting with the large data adjustment and control of the movement physiology, the oxygen utilization efficiency is improved, the oxygen loss is reduced, and the energy-saving effect is good.

Drawings

FIG. 1 is a schematic view of the internal structure of an embodiment of the present invention;

FIGS. 2 and 3 are schematic front and back side views, respectively, of an embodiment of the present invention;

fig. 4 is a perspective view of one embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixed or coupled or communicating function.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way limiting of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, a portable oxygen generator includes a housing 1, an oxygen generation unit, a sensor unit, a pulse solenoid valve 9, an oxygen outlet connector, a control unit 4, and a power module 5 (such as a battery), the oxygen generation unit is connected to the oxygen outlet connector through the pulse solenoid valve 9, the oxygen generation unit includes a dc compressor 6, a molecular sieve 7, and an oxygen storage tank 8, the dc compressor 6 absorbs air from the outside, compresses the air to the molecular sieve 7 for oxygen-nitrogen separation, and then sends oxygen to the oxygen storage tank 8, and the control unit 4 controls and adjusts the pulse solenoid valve 9 according to information of the sensor unit; the sensor unit comprises a respiration sensor 3, and the control unit 4 controls the oxygen generation unit and the electromagnetic valve 9 to work to control the frequency and the flow of pulse oxygen supply in a matching way through a prefabricated program according to the detection information of the respiration sensor 3.

In the portable oxygen generator, the control unit 4 can calculate the oxygen demand according to the detection information and by combining with a prefabricated program, and adjust the pulse oxygen supply frequency and flow. The sensor unit detects the breathing signal and sends to the control unit 4, and the control unit 4 receives the signal and processes, judges whether oxygen deficiency exists. The control unit 4 can control the power of the direct current compressor 6 of the oxygen making unit, can control the switch of the electromagnetic valve 9, and modulates the circulation and the pulse amplitude of oxygen, thereby prolonging or shortening the working time. According to the breathing data of real-time detection, utilize prefabricated procedure, according to motion physiology, user's individual health condition, control system oxygen unit, adjustment system oxygen efficiency and play oxygen flow. When the breathing data detected in real time and the preset program comprehensively judge that extra oxygen supply is not needed or the oxygen supply amount is small, the oxygen generation unit is controlled, the power of the direct current compressor 6 is adjusted, and the energy consumption is reduced.

In one embodiment, a portable pulse oxygen generator based on respiration condition adjustment comprises a shell 1, an oxygen generation unit, a sensor unit, a control unit 4, a gas heating and humidifying module 11, a sterilization system 10 and a power module 5, wherein the oxygen generation unit comprises a direct current compressor 6, a molecular sieve 7 and an oxygen storage tank 8, the direct current compressor 6 absorbs air from the outside and compresses the air to the molecular sieve 7, oxygen and nitrogen are separated, then oxygen is sent to the oxygen storage tank 8, the control unit 4 controls and adjusts an electromagnetic valve 9 according to user conditions and outputs the oxygen to a user through the gas heating and humidifying module 11. The control unit 4 may comprise a sensor information processing unit, a solenoid valve on-time and oxygen flow calculation system, which receives the information transmitted by the sensor unit, processes it according to a pre-programmed program, regulates and controls the oxygen flow and controls the direct current compressor 6. The oxygen flows out through the pulse electromagnetic valve 9 and then passes through the gas heating and humidifying module 11, and the control unit 4 heats and humidifies the oxygen according to the index of the expired gas detected by the sensor. When a user inhales, the sensor detects the gas flow or negative pressure, the pulse electromagnetic valve 9 is opened, oxygen is discharged, and the oxygen passes through the gas heating and humidifying module 11 and the oxygen outlet joint from the pulse electromagnetic valve 9 for the user to use. The vehicle-mounted power supply can also comprise a direct-current power supply module which can be detached or used on a vehicle. In the using process, the power module supplies power to the oxygen generation unit.

In one embodiment, the sensor unit detects the respiration signal and sends the respiration signal to the control unit 4, and the control unit 4 receives the signal to process and judge whether oxygen is lacking, so as to control the switch of the electromagnetic valve 9 at the output port of the oxygen storage tank 8 and adjust the power of the direct current compressor 6 by combining the oxygen pressure detection in the oxygen storage tank 8.

In one embodiment, the sensor unit detects the inhalation signal of the user, and calculates the respiratory frequency and inhalation times through the circuit board IC, the three-in-one gas concentration detector detects real-time respiratory data, transmits the real-time respiratory data to a prefabricated program, reasonably calculates the oxygen supplement amount according to the exercise physiological data and the personal physical condition data of the user, and then combines the environmental pressure to control the oxygen generation unit to adjust the oxygen generation efficiency and the oxygen generation flow.

In one embodiment, the oxygen generation unit employs molecular sieve 7 pressure swing adsorption to separate and purify oxygen from air. The air separation mode adopts pressure swing adsorption, takes a molecular sieve 7 as an adsorption medium, and separates oxygen from nitrogen by different adsorption capacities of oxygen and nitrogen under different pressures, so as to finally obtain high-concentration oxygen.

In one embodiment, a respiration sensor 3 and a three-in-one gas concentration sensor are provided at the user contact end. The respiration sensor 3 detects the respiration rate and transmits a signal back to the control unit 4 at the end of each inspiration. The three-in-one gas concentration sensor can detect the concentration of carbon dioxide in the exhaled gas and the concentration of oxygen in the inhaled gas.

In one embodiment, the oxygen generator may be provided with a gas heating and humidifying module 11 and a sterilization system 10, and the control unit 4 controls the gas heating and humidifying module 11 to adjust the temperature and humidity according to the gas indexes detected by the respiration sensor, so as to greatly relieve the discomfort of the user. And the oxygen produced by the oxygen production unit can be sterilized by the sterilization system 10.

In one embodiment, the sensor unit detects user breathing information and the control unit 4 collects the information and calculates the oxygen demand in conjunction with pre-programmed optimization, adjusting the pulse ventilation frequency and flow. The control unit 4 also controls the operation of the gas heating and humidifying module 11 according to the information of the exhaled gas of the user detected by the sensor unit.

In one embodiment, the solenoid valve 9 is controlled to open and close according to the breathing signal detected by the sensor when the user inhales. The control unit 4 calculates according to the detected respiratory frequency and by integrating preset exercise physiology big data to obtain the optimal single oxygen supply flow and pulse oxygen supply time interval.

In one embodiment, the control unit 4 collects signals both to send commands to the solenoid valve 9 to control the oxygen flow and to feed information back to the oxygen generation unit to regulate the power of the dc compressor 6 to extend the endurance time.

The invention can adjust and control the oxygen flow according to the actual oxygen consumption and oxygen deficiency of the user and the big data of the exercise physiology, improve the oxygen consumption efficiency and reduce the oxygen loss. And the power is fed back to the direct current compressor 6 to adjust the power and reduce the energy consumption.

The user wears the oxygen inhalation tube or the mask, and when the oxygen supply quantity is smaller or the extra oxygen supply quantity is not needed according to the breathing sensor and the preset program, the information is fed back to the oxygen generation system. The power of the direct current compressor is effectively adjusted, and the energy consumption is reduced. In addition, when the pressure of the oxygen storage tank is detected to reach a preset threshold value, the control unit reduces the power of the direct current compressor.

The oxygen generation unit adopts a pulse oxygen storage mode. The breathing process of a person is divided into inspiration, pause and expiration, about 80 percent of oxygen prepared by the continuous dispersion oxygen supply oxygenerator is not utilized, and waste is caused. According to the principles of respiratory physiology, oxygen is exchanged more efficiently into the small alveolar sacs than into the large alveolar sacs. In one embodiment, the portable oxygen generator outputs oxygen at a high speed in the very early stage of inspiration, the oxygen rapidly enters the small alveolar sacs, the oxygen generator which is automatically adjusted according to the breathing condition of a user and stays in the trachea and the large alveolar sacs is avoided, and the pulse mode is adopted to store the oxygen, so that the energy is saved, and the endurance time is prolonged.

The conduction time of the electromagnetic valve and the oxygen flow are controlled by the breathing sensor and a preset program together. In one embodiment, the breathing sensor includes a negative pressure sensor, and when the breathing sensor is in a negative pressure state in the snorkel during inhalation, the two internal foils will contact, causing the feedback path to communicate with the control terminal for transmitting the collected gas data. The control unit 4 receives the information, calculates and judges, and controls the conduction time of the oxygen supply electromagnetic valve and the opening degree of the valve to supply oxygen. When the patient exhales, the nasal inhalation tube is in a positive pressure state, the metal sheet is disconnected, the circuit is disconnected, the electromagnetic valve 9 is closed, and oxygen supply is stopped.

In one embodiment, the sensor unit comprises a respiration sensor 3 and a three-in-one gas concentration sensor which are arranged at a user end, and an ambient oxygen concentration sensor 2 which is arranged outside the shell, wherein the respiration sensor 3 comprises a negative pressure sensor and a hygrothermograph which are used for detecting respiratory gas data such as respiration frequency, temperature and humidity, and the like, and the gas heating and humidifying module 11 can be controlled according to the temperature and humidity data; the three-in-one gas concentration sensor is used for detecting the oxygen, carbon dioxide and nitrogen conditions of the exhaled gas and judging the oxygen deficiency condition of the organism. In one embodiment, a blood oxygen detector can be further equipped to detect the oxygen consumption condition and the oxygen lack condition of the body through two signals. An ambient oxygen concentration sensor 2 on the housing is used for assisting the control unit 4 to control the direct current compressor 6 to compress air and modulate the oxygen pulse amplitude according to the ambient oxygen concentration.

The control unit 4 controls the electromagnetic valve according to the detection signal to realize oxygen circulation control, and also controls the oxygen generation unit according to the detection signal to adjust the power of the direct current compressor and prolong the working time.

The pulse type portable oxygen generator adjusted based on the breathing condition can adjust and control the oxygen pulse duration and flow according to the condition of the plateau operator, and the feedback adjusting mechanism can prolong the battery endurance time. The power supply may employ direct current. The whole design is convenient to carry about.

In one embodiment, the portable oxygen generator is designed into a water cup, is small in size and can be carried around and attached to two sides of a mountain bag.

The background of the present invention may contain background information related to the problem or environment of the present invention and does not necessarily describe the prior art. Accordingly, the inclusion in the background section is not an admission of prior art by the applicant.

The foregoing is a more detailed description of the invention in connection with specific/preferred embodiments and is not intended to limit the practice of the invention to those descriptions. It will be apparent to those skilled in the art that various substitutions and modifications can be made to the described embodiments without departing from the spirit of the invention, and these substitutions and modifications should be considered to fall within the scope of the invention. In the description herein, references to the description of the term "one embodiment," "some embodiments," "preferred embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the claims.