CN221062209U

CN221062209U - Individual soldier oxygenerator

Info

Publication number: CN221062209U
Application number: CN202322491236.7U
Authority: CN
Inventors: 赵智军; 刘佩; 丁国春; 邵欣宇; 张红
Original assignee: Hefei Tongzhi Electrical Control Technology Co ltd
Current assignee: Hefei Tongzhi Electrical Control Technology Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-06-04
Anticipated expiration: 2033-09-13

Abstract

The utility model provides an individual oxygenerator, which comprises a machine body, wherein a circuit system with a controller, a gas circuit system with a compressor and a flow control valve are arranged in the machine body, and the controller adjusts the flow control valve to adjust the oxygen supply flow of the oxygenerator in real time and constantly outputs the oxygen supply flow according to a set value; the panel switch assembly comprises a plurality of keys, and the corresponding keys are selected according to the power supply type of the oxygenerator so as to start the oxygenerator; and the machine body is fixed on the bottom plate, and the bottom plate is provided with a mounting hole for vehicle-mounted mounting. The utility model realizes that the oxygen production performance is not reduced along with the increase of the altitude by the real-time control of the controller according to a designed control strategy, ensures the constant output of the oxygen supply flow, meets the oxygen inhalation requirements of individual soldiers at different altitudes, and simultaneously meets the requirements of vehicle-mounted installation and portable use.

Description

Individual soldier oxygenerator

Technical Field

The utility model relates to the technical field of oxygen production, in particular to an individual oxygen generator of a molecular sieve oxygen production technology.

Background

Various oxygen-making and oxygen-supplying devices can be applied to the oxygen supply of personnel in fixed places, but the oxygen-supplying devices mainly adopted at present for mobile people comprise chemical oxygen-making, oxygen bags, small oxygen cylinders and the like, and the oxygen-supplying devices have the problems of limited oxygen capacity, difficulty in continuous oxygen supply, inconvenience in use and the like.

The existing portable molecular sieve oxygenerator guarantees continuous oxygen supply, but is mostly used in the civil field, and does not meet the adaptability requirements of environments such as different altitudes, environmental temperature, vibration impact during vehicle-mounted installation and use when military products are used.

Therefore, it is important to research an individual oxygenerator which can meet the requirements of vehicle-mounted use and portable use and can constantly supply oxygen flow output at different altitudes.

Disclosure of utility model

The utility model aims to solve the technical problem of realizing a single-soldier oxygenerator which can be used in a vehicle and is portable and can output constant oxygen supply flow under different altitudes.

In order to solve the technical problems, the utility model provides an individual oxygenerator, which comprises:

The device comprises a machine body, wherein a circuit system with a controller, a gas circuit system with a compressor and a flow control valve are arranged in the machine body, and the controller adjusts the flow control valve to adjust the oxygen supply flow of the oxygen generator in real time and constantly outputs the oxygen supply flow according to a set value; the panel switch assembly comprises a plurality of keys, and the corresponding keys are selected according to the power supply type of the oxygenerator so as to start the oxygenerator; and

The machine body is fixed on the bottom plate, and mounting holes for vehicle-mounted mounting are formed in the bottom plate.

Further, the panel switch assembly comprises three keys which are arranged in a row in a vehicle-mounted, portable and chargeable manner, wherein one side of each key is provided with a corresponding status indicator lamp, and the other side of each key is provided with an electric quantity display indicator lamp and a fault indicator lamp.

Further, the gas circuit system further comprises a filter, a molecular sieve bed and an oxygen outlet, air enters the filter, the compressor is connected between the filter and the molecular sieve bed, the output end of the molecular sieve bed is connected with the flow control valve, and the output end of the flow control valve is connected to the oxygen outlet.

Furthermore, an oxygen outlet connector is further arranged outside the machine body, and the oxygen outlet connector is connected with the oxygen outlet.

Further, the oxygen outlet joint is arranged outside the machine body in a concave structure.

Further, the circuit system further comprises a built-in lithium battery, the lithium battery is electrically connected with the controller, the controller is electrically connected with the panel switch assembly, and the controller is further electrically connected with the flow control valve.

Further, the input end of the controller can be connected with rated DC24V voltage.

Further, the input end of the controller can be connected with rated AC220V voltage.

Further, the circuit system further comprises a fan for exhausting and radiating air of the machine body, the controller is electrically connected with the fan to control the operation of the fan by detecting the ambient temperature, and radiating holes are formed in the side edge of the machine body.

Preferably, the outside of organism still is provided with power input socket and the air inlet connector of indent structure.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model realizes that the oxygen production performance is not reduced along with the increase of the altitude by the real-time control of the controller according to a designed control strategy, ensures the constant output of the oxygen supply flow and meets the oxygen absorption requirements of individual soldiers at different altitudes.

2. The utility model can meet the requirements of vehicle-mounted vibration, impact and high and low temperature on military vehicles, can be carried by individual soldiers, and can greatly widen the application field and range of products.

3. According to the utility model, the high-integration design is carried out on different parts, all external interfaces of the product adopt a concave structure, and the operation and the installation of the product in vehicle-mounted and portable use are facilitated through the design of miniaturization, light weight and integration.

Drawings

FIG. 1 is a schematic diagram of the operation of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

Fig. 4 is a schematic layout diagram of a panel switch assembly according to the present utility model.

In the figure: 100. a body; 110. a power input socket; 111. an air inlet joint; 112. an oxygen outlet joint; 113. a panel switch assembly; 120. a filter; 121. a compressor; 122. a molecular sieve bed; 123. a flow control valve; 124. a controller; 125. a lithium battery; 126. a blower; 200. a bottom plate; 201. and (5) mounting holes.

Detailed Description

In order to make the technical solutions and technical effects of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

As shown in figures 1-4, the utility model is based on a mature molecular sieve pressure swing adsorption method, integrates a back blowing technology, and effectively improves the recovery rate of oxygen; the controller is used for automatically detecting the ambient atmospheric pressure, the self-adaptive variable frequency regulation technology of the compressor is adopted, the frequency of the compressor is regulated in real time, and the oxygen production performance of the product is ensured not to be reduced along with the increase of the altitude; the controller is used for regulating the flow control valve to regulate the oxygen supply flow in real time and constantly output the oxygen supply flow according to the set value. The two types of rated DC24V and AC220V are adopted, and meanwhile, the built-in lithium battery is designed to supply power, so that the portable use of the product is realized, and the portable use of the product can also be installed and used in a vehicle.

The device specifically comprises a machine body 100 and a bottom plate 200, wherein the bottom plate 200 is a structural bearing piece of the whole machine, the machine body 100 is fixed on the bottom plate 200, mounting holes 201 are formed in the bottom plate 200, and 4 mounting holes 201 are symmetrically distributed and used for mounting and fixing the whole machine in a vehicle-mounted mode.

The front panel of the outer surface of the machine body 100 is provided with a power input socket 110, external power supply can be connected through an input cable plug, the utility model can be connected with rated DC24V or AC220V, and when the machine is installed and used in a vehicle, the machine can directly supply power on the vehicle or can supply power by using commercial power as a power supply. In addition, a lithium battery 125 is designed in the product and can be used as a power supply for portable use. The right side panel of the outer surface of the body 100 is provided with an air inlet joint 111 to which an air supply line is connected to introduce ambient air. The front panel of the outer surface of the machine body 100 is provided with an oxygen outlet joint 112 and a panel switch assembly 113, and the oxygen outlet joint 112 is designed into a pagoda head structure, so that the nose oxygen inhalation tube can be conveniently and rapidly connected, and oxygen can be directly supplied to personnel for inhalation. The panel switch assembly 113 includes a plurality of keys, and selects the corresponding keys according to a power type of the oxygenerator to turn on the oxygenerator.

The panel switch assembly 113 is sequentially provided with three key switches for vehicle-mounted, portable and charging, and the three keys are arranged in a row. When external power supply is accessed, the vehicle-mounted switch is pressed down, the product works, and the key is mainly used when the external power supply is installed and used in a vehicle; when the portable lithium battery is used for portability, the portable switch is pressed down, the product works, and the key is mainly used for portability when the built-in lithium battery is used for supplying power; the charging key is mainly used for being connected to an external power supply to charge the lithium battery 125. In order to display the working state of the oxygenerator, three status indicator lamps are respectively designed on the left sides of the three keys in sequence to display the power supply mode and the charging mode adopted by the oxygenerator. In addition, the right side of the panel switch is provided with an electric quantity display state indicator lamp, so that a user can observe the residual electric quantity of the lithium battery 125 intuitively, and accordingly the battery can be charged timely, and continuous operation of the product is guaranteed. The fault indicator lamp is designed below the electric quantity indicator lamp, and when a fault occurs, the fault indicator lamp flashes red to remind a user, and the fault type of a product can be rapidly positioned through the flashing times of the fault indicator lamp.

Preferably, the installation surfaces of the power input socket 110, the air inlet connector 111 and the oxygen outlet connector 112 are all designed to be of a concave structure, so that the panel is free of protrusions when the vehicle-mounted power input socket is installed and used in a portable manner, and the product is convenient to use and operate.

The machine body 100 is internally provided with a circuit system with a controller 124, a gas circuit system with a compressor 121 and a flow control valve 123, and the controller 124 regulates the oxygen supply flow of the oxygenerator in real time by regulating the flow control valve 123 to output constantly according to a set value.

The air path system further comprises a filter 120, a molecular sieve bed 122 and an oxygen outlet, wherein air enters the filter 120. The filter 120 filters out impurities such as dust in the air, a compressor 121 is connected between the filter 120 and the molecular sieve bed 122, and the compressor 121 pressurizes air of a gas source to reach the pressure required by molecular sieve adsorption. The output of the molecular sieve bed 122 is connected to a flow control valve 123, and the output of the flow control valve 123 is connected to an oxygen outlet. Wherein, the molecular sieve bed 122 integrates two molecular sieve towers with an oxygen storage tank, and an electromagnetic valve is integrated at the upper end of the molecular sieve bed, so that nitrogen in air is adsorbed when the pressure is increased, oxygen is stored in the oxygen storage tank in the bed, and the nitrogen is released and discharged when the pressure is reduced.

The circuit system further includes a built-in lithium battery 125, the lithium battery 125 is electrically connected with the controller 124, the controller 124 is electrically connected with the panel switch assembly 113, and the controller 124 is further electrically connected with the flow control valve 123. The input of the controller 124 may be connected to a nominal DC24V voltage or a nominal AC220V voltage. The circuit system further comprises a fan 126 for exhausting and radiating air from the machine body 100, the controller 124 is electrically connected with the fan 126 to control the operation of the fan 126 by detecting the ambient temperature, and the side edge of the machine body 100 is provided with a radiating hole.

After the oxygenerator is powered on and started, the controller 124 controls the compressor 121, the molecular sieve bed 122, the flow control valve 123 and the fan 126 to periodically operate according to a preset program. The system is carried out according to the following flow:

a) The ambient air is filtered by the filter 120 to become clean gas;

b) The clean air enters a compressor 121 to be pressurized to become gas with certain pressure (the pressure of the gas is controlled to be more than 0.2MPa all the time);

c) The pressurized gas enters a molecular sieve bed 122, oxygen is stored in the molecular sieve bed 122 through adsorption, analysis and separation of the molecular sieve bed 122, and nitrogen is discharged from the molecular sieve bed 122;

d) The oxygen stored in the molecular sieve bed 122 separated air is output from the oxygen outlet after being decompressed and limited by the flow control valve 123.

The oxygen output through the oxygen outlet can be directly supplied to a human body by using the nasal oxygen inhalation tube, thereby solving the oxygen demand of personnel.

In the present utility model, the controller 124 can detect the ambient temperature to control the operation of the fan 126, when the detected ambient temperature is greater than the set value (the set value in the present embodiment is 5 ℃), the controller 124 controls the operation of the fan 126, so as to dissipate heat inside the whole machine, and when the detected ambient temperature is lower than the set value, the fan 126 does not operate, and the temperature of the whole machine is kept within a proper working range by the method.

In the present utility model, the controller 124 can detect the ambient atmospheric pressure, and by detecting the ambient atmospheric pressure, the controller 124 controls the operations of the compressor 121, the molecular sieve bed 122 and the flow control valve 123, respectively, in comparison with the set atmospheric pressure (the set value in this embodiment is 100 kPa). The working frequency of the compressor 121 is 50Hz, and when the ambient atmospheric pressure is smaller than the set value by 2kPa (namely, the altitude is increased by 200 meters), the controller 124 controls the working frequency of the compressor 121 to be increased by 1Hz, and the upper limit value of the working frequency is 75Hz, so that the displacement of the compressor 121 is maintained to always reach the design value; the ambient atmospheric pressure is not greater than the set value, the adsorption analysis period of the molecular sieve bed 122 is 15s, and when the ambient atmospheric pressure is reduced by 2kPa (i.e. the altitude is increased by 200 meters) than the set value, the controller 124 controls the adsorption analysis period of the molecular sieve bed 122 to be increased by 2s, and the upper limit value of the adsorption analysis period is 30s, so that the oxygen production performance of the oxygen generator is not reduced; the ambient atmospheric pressure is not greater than the set value, the controller 124 controls the ventilation aperture of the flow control valve 123 to be 0.8mm, and when the ambient atmospheric pressure is reduced by 2kPa (i.e. the altitude increases by 200 meters) than the set value, the controller 124 controls the flow control valve 123 to operate to increase the ventilation aperture by 0.1mm, and the upper limit of the ventilation aperture of the flow control valve 123 is 1.5mm, thereby realizing the constant output of the oxygen supply flow of the oxygen generator.

Through the control strategy, the oxygen production performance of the individual oxygenerator is not reduced under different altitudes, and the oxygen supply flow is constantly output for 1L/min.

The individual oxygenerator provided by the utility model can be used in a vehicle or portable way, and can output constant oxygen supply flow under different altitudes. The individual oxygen generator developed through molecular sieve oxygen generation technology, integrated design technology and the like has small volume, light weight and high reliability. Meanwhile, the operation and the use are convenient, the adaptability requirement of the use environment of the military is met, the device is suitable for being used in the highland environment, and the problem of oxygen consumption of individual soldiers can be effectively solved. The device can be further popularized to the civil oxygen-making and supplying field, can continuously supply oxygen for long-term continuous oxygen supply of plateau self-driving amateurs, solves the problem that people living in plain areas for a long time enter a plateau reaction generated by high-cause oxygen deficiency, and has great social value.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An individual oxygenerator, comprising:

The oxygen generator comprises a machine body (100), wherein a circuit system with a controller (124) and an air circuit system with a compressor (121) and a flow control valve (123) are arranged in the machine body (100), and the controller (124) regulates the oxygen supply flow of the oxygen generator in real time through regulating the flow control valve (123) to output the oxygen supply flow constantly according to a set value; the external surface of the machine body (100) is provided with a panel switch assembly (113), the panel switch assembly (113) comprises three keys which are arranged in a row in a vehicle-mounted, portable and chargeable manner, one side of each key is provided with a corresponding status indicator lamp, the other side of each key is provided with an electric quantity display indicator lamp and a fault indicator lamp, and the corresponding key is selected according to the power supply type of the oxygenerator so as to start the oxygenerator; and

The machine body (100) is fixed on the bottom plate (200), and mounting holes (201) for vehicle-mounted mounting are formed in the bottom plate (200).

2. The individual oxygenerator of claim 1, wherein the gas circuit system further comprises a filter (120), a molecular sieve bed (122) and an oxygen outlet, air enters the filter (120), the compressor (121) is connected between the filter (120) and the molecular sieve bed (122), an output end of the molecular sieve bed (122) is connected with the flow control valve (123), and an output end of the flow control valve (123) is connected to the oxygen outlet.

3. The individual soldier oxygenerator according to claim 2, characterized in that an oxygen outlet connector (112) is further arranged outside the machine body (100), and the oxygen outlet connector (112) is connected with the oxygen outlet.

4. A single soldier oxygenerator according to claim 3, characterized in that the oxygen outlet connector (112) is arranged outside the machine body (100) in a concave configuration.

5. The individual soldier oxygenerator of claim 1 wherein the circuitry further comprises a built-in lithium battery (125), the lithium battery (125) being electrically connected to the controller (124), the controller (124) being electrically connected to the panel switch assembly (113), the controller (124) being further electrically connected to the flow control valve (123).

6. The individual soldier oxygenerator of claim 1 wherein the input of the controller (124) is accessible at a rated DC24V voltage.

7. The individual soldier oxygenerator of claim 1 wherein the input of the controller (124) is accessible at a rated AC220V voltage.

8. The individual soldier oxygenerator of claim 1, wherein the circuitry further comprises a fan (126) for exhausting and dissipating heat from the body (100), the controller (124) is electrically connected to the fan (126) to control operation of the fan (126) by detecting an ambient temperature, and a heat dissipating hole is provided in a side of the body (100).

9. The individual oxygenerator of claim 1, wherein the exterior of the body (100) is further provided with a power input socket (110) and an air inlet connector (111) of a concave structure.