Impeller device for generating positive pressure gas and breathing machine
A ventilator and impeller technology, applied in the field of power machinery, can solve problems such as difficulty in meeting the working environment and technical parameter requirements of the ventilator, difficulty in precise airflow control, large fluctuations in outlet pressure, etc., to achieve easy promotion, simple structure, and device The effect of low working noise
Inactive Publication Date: 2021-06-25
NANJING UNIV OF SCI & TECH
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Problems solved by technology
[0004] At present, the ventilator air pump mainly produces positive pressure gas by a piston air pump, which has a large volume and noise. If no muffler is added, the noise can reach more than 100 decibels, and the air flow pressure stability is poor. It must be connected to an air storage tank, which is not easy to achieve accurate air flow Therefore, the stability of the outlet pressure of the existing ventilator is poor, the fluctuation of the outlet pressure is large, and it is difficult to meet the requirements of the working environment and technical parameters of the ventilator
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[0026] In order to make the objectives, technical solutions and advantages of the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely intended to illustrate the invention and are not intended to limit the invention.
[0027] The implementation of the present invention will be described in detail below with reference to the specific embodiments.
[0028] Combine Figure 1-2 An impeller device that generates a positive pressure gas, including a housing, a first leaf wheel cover 2, a second impeller cover 4, and a plurality of blades 6, an impeller shaft 7, and a drive device 10, and the shell. The inlet and outlet are provided in the body, and one end of the impeller shaft 7 is fixed to the second impeller cover 4, and the other end of the impeller shaft 7 is connected to the driving device 10, which is more The bla...
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The invention discloses an impeller device for generating positive pressure gas and a breathing machine, the device comprises a shell, a first impeller cover, a second impeller cover, a plurality of blades, an impeller shaft and a driving device, wherein the first impeller cover, the second impeller cover and the plurality of blades are arranged in the shell, and the shell is provided with an air inlet and an air outlet; one end of the impeller shaft penetrates through the shell to be fixedly connected with the second impeller cover, the other end of the impeller shaft is connected with the driving device, the multiple blades are arranged between the first impeller cover and the second impeller cover, and an airflow channel is formed between every two adjacent blades; and at least one notch is formed in the edge of the first impeller cover and / or the second impeller cover. The multiple notches are formed in the edge of the first impeller cover and / or the edge of the second impeller cover, the stability of airflow pressure can be effectively adjusted, fluctuation of the airflow pressure can be effectively reduced, the technical requirement for stable airflow pressure of the breathing machine is met, and the breathing assisting effect is greatly improved.
Description
Technical field [0001] The present invention belongs to the field of power machinery, and more particularly to an impeller device and a ventilator that produces a positive pressure gas. Background technique [0002] The ventilator is an effective means of manually replacing autonomous ventilation function, which has generally used for respiratory failure caused by various reasons. Anesthesia respiratory management, respiratory support and emergency recovery during large surgery, possession in the field of modern medical A very important location. The ventilator is a kind of medical device capable of preventing and treating respiratory failure, reducing complications, saving and extending patient life. [0003] The air pump is a key component of the ventilator, many hospital intensive wards (ICUs), emergency, patient transport and household ventilator must work with air pumps, found that the current 80% of the ventilator must be self-pump, so The ventilator gas pump that produces ...
Claims
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IPC IPC(8): A61M16/00
CPCA61M16/0066A61M16/0003
Inventor 钟汉贵王霞
Owner NANJING UNIV OF SCI & TECH