CN215741185U - Air and oxygen mixing device and respiratory humidification therapeutic apparatus - Google Patents
Air and oxygen mixing device and respiratory humidification therapeutic apparatus Download PDFInfo
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- CN215741185U CN215741185U CN202121656165.6U CN202121656165U CN215741185U CN 215741185 U CN215741185 U CN 215741185U CN 202121656165 U CN202121656165 U CN 202121656165U CN 215741185 U CN215741185 U CN 215741185U
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Abstract
The utility model discloses an air-oxygen mixing device, which relates to the field of therapeutic instruments and comprises an oxygen channel, an air outlet channel, a gas mixing chamber and a processor, wherein the oxygen channel, the air channel and the air outlet channel are all connected with the gas mixing chamber, a stirring device is arranged in the gas mixing chamber, a proportional valve is arranged on the oxygen channel, a flow sensor and an oxygen concentration sensor are arranged on the air outlet channel, and the proportional valve, the flow sensor and the oxygen concentration sensor are all connected with the processor. The utility model also discloses a respiratory humidification therapeutic apparatus. The air-oxygen mixing device enables the gas flow and the oxygen concentration after the oxygen and the air are mixed to be more stable.
Description
Technical Field
The utility model relates to the field of therapeutic instruments, in particular to an air and oxygen mixing device and a respiratory humidification therapeutic instrument.
Background
Nowadays, along with the progress of society, in order to satisfy respiratory disease patient's demand, the respiratory humidification therapeutic instrument that can use at home has appeared, and people need not to go to the hospital and just can use this respiratory humidification therapeutic instrument, and the travelling comfort and the convenience that people live have been improved to the appearance of this respiratory humidification therapeutic instrument, have practiced thrift medical cost, but, respiratory humidification therapeutic instrument now leads to respiratory humidification therapeutic instrument's result of use not good enough because gas flow and oxygen concentration after oxygen and the air mixing are unstable.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an air-oxygen mixing device, which enables the gas flow and the oxygen concentration after the oxygen is mixed with the air to be more stable.
The utility model is realized by adopting the following technical scheme:
the utility model provides an air oxygen mixing arrangement, includes oxygen passageway, air channel, air outlet channel, gas mixing chamber and treater, oxygen passageway, air channel, air outlet channel all are connected with the gas mixing chamber, the inside agitating unit that is provided with of gas mixing chamber, be provided with the proportional valve on the oxygen passageway, last flow sensor and the oxygen concentration sensor of being provided with of air outlet channel, proportional valve, flow sensor and oxygen concentration sensor all are connected with the treater.
Preferably, the oxygen passage comprises a first space and a second space, the first space is communicated with the second space, a proportional valve is arranged between the first space and the second space, the first space is provided with an oxygen inlet, and the second space is provided with an oxygen outlet.
Preferably, the oxygen pressure detection device is included, an oxygen pressure detection channel is arranged on the first space, the oxygen pressure detection channel is communicated with the first space, and the oxygen pressure detection channel is used for leading oxygen to the oxygen pressure detection device.
Preferably, the oxygen inlet is provided with an oxygen inlet element, and the oxygen inlet element is detachably connected with the oxygen inlet; the oxygen enters the first space after entering the oxygen inlet element, and the oxygen inlet element is provided with a filter element.
Preferably, a filter is provided in the second space.
Preferably, the air passage includes an air inlet, an air outlet, a third space and a fourth space, the air inlet and the air outlet are both disposed on the third space, and the air outlet is connected to the fourth space.
Preferably, the third space is C-shaped, the air inlet is provided at the head end of the C-shape of the third space, and the air outlet is provided at the tail end of the C-shape of the third space.
Preferably, a temperature and humidity sensor is disposed in the third space.
Preferably, the oxygen channel, the air channel and the gas mixing chamber are connected by a three-way pipe structure.
It is another object of the present invention to provide a respiratory humidification therapy apparatus.
A respiratory humidification therapeutic apparatus comprises the air and oxygen mixing device.
Compared with the prior art, the utility model has the beneficial effects that: the air-oxygen mixing device provided by the utility model can detect the gas flow and the oxygen concentration after the oxygen and the air are mixed by the flow sensor and the oxygen concentration sensor, the flow sensor and the oxygen concentration sensor feed detected data back to the processor, and the processor adjusts the proportional valve to play a role in controlling the gas flow and the oxygen concentration after the oxygen and the air are mixed, so that the gas flow and the oxygen concentration after the oxygen and the air are mixed are more stable.
Drawings
FIG. 1 is a schematic front view of an air-oxygen mixing device according to an embodiment of the present invention.
FIG. 2 is a schematic view of the back of the air-oxygen mixing device in the embodiment of the present invention.
Fig. 3 is a schematic view of the internal structure of the oxygen passage in the embodiment of the present invention.
Fig. 4 is a schematic partial structure diagram of an oxygen passage in an embodiment of the present invention.
Fig. 5 is a schematic view of the internal structure of the air passage in the embodiment of the present invention.
Fig. 6 is a circuit block diagram of an air-oxygen mixing device according to an embodiment of the present invention.
Reference numerals: 1. an oxygen channel; 2. an air passage; 3. a gas mixing chamber; 4. a proportional valve; 5. a first space; 6. a second space; 7. an oxygen pressure detection channel; 8. an oxygen inlet element; 9. a filter; 10. an air inlet; 11. a third space; 12. a fourth space; 13. a temperature and humidity sensor; 14. an air outlet channel; 15. a filter element.
Detailed Description
The technical solution provided by the utility model is explained in more detail below with reference to fig. 1-6.
As shown in fig. 1 to 6, an embodiment of the present invention provides an air-oxygen mixing device, including an oxygen channel 1, an air channel 2, an air outlet channel 14, a gas mixing chamber 3, and a processor, where the oxygen channel 1, the air channel 2, and the air outlet channel 14 are all connected to the gas mixing chamber 3, the oxygen channel 1, the air channel 2, and the gas mixing chamber 3 are connected by using a three-way pipe structure, a stirring device is disposed inside the gas mixing chamber 3, a proportional valve 4 is disposed on the oxygen channel 1, a flow sensor and an oxygen concentration sensor are disposed on the air outlet channel 14, the proportional valve 4, the flow sensor, and the oxygen concentration sensor are all connected to the processor, and the processor is STM32F429IGT 6.
The oxygen passage 1 is a high pressure oxygen passage 1 for supplying high pressure oxygen. The oxygen channel 1 comprises a first space 5 and a second space 6, the first space 5 is communicated with the second space 6, the proportional valve 4 is arranged at the communication position between the first space 5 and the second space 6, the flow of oxygen from the first space 5 to the second space 6 can be controlled by adjusting the proportional valve 4, the first space 5 is provided with an oxygen inlet, and the second space 6 is provided with an oxygen outlet. Oxygen passageway 1 still includes oxygen pressure measurement, is provided with oxygen pressure measurement passageway 7 on the first space 5, and oxygen pressure measurement passageway 7 communicates with first space 5, and oxygen pressure measurement passageway 7 is used for leading to oxygen pressure measurement with oxygen, and oxygen pressure measurement includes pressure sensor. An oxygen inlet element 8 is arranged on the oxygen inlet, and the oxygen inlet element 8 is detachably connected with the oxygen inlet. This oxygen inlet element 8 includes preceding tip and back tip, preceding tip is provided with the air inlet, the back tip is provided with first gas outlet and second gas outlet, first gas outlet and second gas outlet all communicate with the air inlet, this oxygen inlet element 8 is installed behind the oxygen import, preceding tip is located the outside of first space 5, the back tip is located inside first space 5, first gas outlet and first space 5 intercommunication, second gas outlet and oxygen pressure detection passageway 7 intercommunication, be provided with filter element 15 on the oxygen inlet element 8, filter element 15 cover is established on oxygen inlet element 8, filter element 15 covers first gas outlet, filter element 15 is used for filtering the oxygen through first gas outlet, filter element 15 has the effect of filtering and decompression to oxygen.
A filter 9 is provided in the second space 6, and the filter 9 has a function of filtering and depressurizing oxygen.
The air passage 2 is used to supply air. The air passage 2 includes an air inlet 10, an air outlet, a third space 11 and a fourth space 12, the air inlet 10 and the air outlet are both provided on the third space 11, and the air outlet is connected with the fourth space 12. The third space 11 is arranged in a C-shape, the air inlet 10 being arranged at the head end of the shape of the third space 11C and the air outlet being arranged at the tail end of the shape of the third space 11C. A temperature and humidity sensor 13 is provided in the third space 11, and the temperature and humidity sensor 13 is provided in the middle of the third space 11C.
The stirring device comprises a motor and fan blades, and the fan blades are arranged on the motor. After oxygen and air enter the gas mixing chamber 3, the oxygen and the air are stirred and mixed under the matching action of the motor and the fan blades.
A respiratory humidification therapeutic apparatus comprises a humidifier, a heating pipe and the air and oxygen mixing device, wherein the air and oxygen mixing device, the humidifier and the heating pipe are communicated in sequence.
The working principle of the air-oxygen mixing device of the embodiment is as follows: high-pressure oxygen enters from the oxygen inlet element 8, enters into the oxygen inlet element 8, flows out from the first air outlet, enters into the first space 5 after being subjected to primary filtration and pressure reduction by the filter element 15, flows into the second space 6 from the first space 5, enters into the oxygen pressure detection channel 7 from the second air outlet, passes through the oxygen pressure detection channel 7 and then reaches the oxygen pressure detection device, and the oxygen pressure detection can detect the pressure value of the high-pressure oxygen; in the process that the high-pressure oxygen flows from the first space 5 to the second space 6, the high-pressure oxygen firstly passes through the proportional valve 4, the proportional valve 4 is used for controlling the flow of the high-pressure oxygen, after the high-pressure oxygen reaches the second space 6, because the filter 9 is arranged in the second space 6, the filter 9 plays a role in secondary filtration and pressure reduction of the high-pressure oxygen, and the high-pressure oxygen after passing through the filter 9 reaches a three-channel structure and finally enters the gas mixing chamber 3. Because the agitating unit in the gas mixing chamber 3 is constantly rotating, make air channel 2 inhale the air because the effect of atmospheric pressure, the air gets into from air inlet 10 earlier, and the air through air inlet 10 gets into third space 11, and temperature and humidity sensor 13 in the third space 11 can detect the humiture of air, and the air gets into fourth space 12 from third space 11 again, and the air reachs three-way pipe structure department after fourth space 12, gets into gas mixing chamber 3 at last. Mixing under hyperbaric oxygen and the effect of air stirring device again, gas after the mixture is carried to outlet channel 14, gas flow and oxygen concentration sensor on the outlet channel 14 are used for detecting gas flow and the oxygen concentration after the mixture, and flow sensor and oxygen concentration sensor feed back the data that detect to the treater, and the treater is again according to flow sensor and oxygen concentration sensor's detection data go the governing proportional valve 4 to make gas flow and the oxygen concentration after oxygen and air mix more stable.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. An air oxygen mixing arrangement which characterized in that: including oxygen passageway, air passage, air outlet channel, gas mixing chamber and treater, oxygen passageway, air passage, air outlet channel all are connected with the gas mixing chamber, the inside agitating unit that is provided with of gas mixing chamber, be provided with the proportional valve on the oxygen passageway, last flow sensor and the oxygen concentration sensor of being provided with of air outlet channel, proportional valve, flow sensor and oxygen concentration sensor all are connected with the treater.
2. The air-oxygen mixing device of claim 1, wherein: the oxygen channel comprises a first space and a second space, the first space is communicated with the second space, a proportional valve is arranged between the first space and the second space, an oxygen inlet is formed in the first space, and an oxygen outlet is formed in the second space.
3. The air-oxygen mixing device of claim 2, wherein: including oxygen pressure measurement, be provided with oxygen pressure measurement passageway in the first space, oxygen pressure measurement passageway and first space intercommunication, oxygen pressure measurement passageway is used for leading to oxygen pressure measurement with oxygen.
4. The air-oxygen mixing device of claim 2, wherein: the oxygen inlet is provided with an oxygen inlet element, and the oxygen inlet element is detachably connected with the oxygen inlet; the oxygen enters the first space after entering the oxygen inlet element, and the oxygen inlet element is provided with a filter element.
5. The air-oxygen mixing device of claim 2, wherein: a filter is arranged in the second space.
6. The air-oxygen mixing device of claim 1, wherein: the air channel comprises an air inlet, an air outlet, a third space and a fourth space, wherein the air inlet and the air outlet are both arranged on the third space, and the air outlet is connected with the fourth space.
7. The air-oxygen mixing device of claim 6, wherein: the third space is arranged in a C shape, the air inlet is arranged at the head end of the C shape of the third space, and the air outlet is arranged at the tail end of the C shape of the third space.
8. The air-oxygen mixing device of claim 6, wherein: and a temperature and humidity sensor is arranged in the third space.
9. The air-oxygen mixing device of claim 1, wherein: the oxygen channel, the air channel and the gas mixing chamber are connected by a three-way pipe structure.
10. A breath humidification therapeutic instrument is characterized in that: comprising an air-oxygen mixing device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121656165.6U CN215741185U (en) | 2021-07-20 | 2021-07-20 | Air and oxygen mixing device and respiratory humidification therapeutic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121656165.6U CN215741185U (en) | 2021-07-20 | 2021-07-20 | Air and oxygen mixing device and respiratory humidification therapeutic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215741185U true CN215741185U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121656165.6U Active CN215741185U (en) | 2021-07-20 | 2021-07-20 | Air and oxygen mixing device and respiratory humidification therapeutic apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN215741185U (en) |
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2021
- 2021-07-20 CN CN202121656165.6U patent/CN215741185U/en active Active
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