Airflow sensing device
A sensing device and airflow technology, applied in measuring devices, measuring flow/mass flow, liquid/fluid solid measurement, etc., can solve problems such as charging disputes, differences in oxygen inhalation time, doctor-patient disputes, etc., and achieve high flow detection accuracy , Reduce gas flow, reduce the effect of gas pressure
Inactive Publication Date: 2016-09-14
SICHUAN GANGTONG MEDICAL EQUIP GRP CO LTD
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Problems solved by technology
At present, the oxygen inhalation of patients in domestic hospitals is charged by timing. Since there is no suitable airflow sensing device, it is impossible to automatically and accurately time the various oxygen inhalation processes of different patients, and only rely on the nursing staff to do it manually. Records, resulting in a relatively large difference between the recorded oxygen inhalation time and the actual oxygen inhalation time of the patient, resulting in unreasonable charges, charging disputes and doctor-patient disputes, and it is impossible to trace whether the patient strictly inhales oxygen according to the doctor's order
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[0016] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0017] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0018] Such as figure 1 As shown, an embodiment of the present invention includes an airflow duct 1 , a flow sensing chip 2 and a circuit board 3 ; the flow sensing chip 2 is connected to the circuit board 3 .
[0019] The side wall of the airflow duct 1 is provided with a through hole 6, the flow sensing chip 2 and the circuit board 3 are placed in the through hole 6, and the flow sensing chip 2 faces the air flow duct 1, so that in the air ...
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The invention discloses an airflow sensing device and relates to the technique of airflow detection. Aiming at the defects of the prior art, the precise airflow sensing device which does not affect normal oxygen uptake of patients, can detect whether a patient inhales oxygen automatically and accurately and can also detect oxygen flow is provided. According to the technical scheme, the device comprises an airflow pipeline, a flow sensing chip and a circuit board, the flow sensing chip is connected with the circuit board, a through hole is formed in the side wall of the airflow pipeline, the flow sensing chip and the circuit board are arranged in the through hole, and the flow sensing chip faces the interior of the airflow pipeline; a power line and a signal line connected to the circuit board are led out of the airflow pipeline via the through hole, and the space between the circuit board and the through hole is filled with sealant.
Description
technical field [0001] The invention relates to gas flow detection technology, in particular to a gas flow sensing device which can effectively improve detection accuracy and does not affect gas use. Background technique [0002] As a routine treatment method, oxygen inhalation is widely used clinically, and the amount of oxygen inhalation varies greatly among different patients. At present, the oxygen inhalation of patients in domestic hospitals is charged by timing. Since there is no suitable air flow sensing device, it is impossible to automatically and accurately time the various oxygen inhalation processes of different patients, and only rely on the nursing staff to manually Records, resulting in a relatively large difference between the recorded oxygen inhalation time and the actual oxygen inhalation time of the patient, resulting in unreasonable charges, resulting in charge disputes and doctor-patient disputes, and it is impossible to trace whether the patient strictl...
Claims
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Login to View More IPC IPC(8): G01F1/684
CPCG01F1/6847
Inventor 喻波
Owner SICHUAN GANGTONG MEDICAL EQUIP GRP CO LTD