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The micropump uses multiple diaphragms to change the pressure of the air chamber, and uses the motor to pull the support part to control the operation of multiple diaphragms at the same time; When the micropump is placed on a portable electronic device such as a carry-on, the volume of the micropump is difficult to be practical, and there are deficiencies that need to be improved
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[0060] The detailed description and technical content of the present invention are described as follows with respect to the accompanying drawings.
[0061] The present invention provides a single-arm miniature pneumatic pump device, which can be arranged on wearable electronic devices, such as smart watches, health bracelets, arm fixing belts or other similar wearable electronic devices. device, or in another preferred application embodiment, it can be set on a portable device, which is convenient for the user to carry, which is not limited in the present invention. The single-arm micro-pneumatic pump device can be used in conjunction with an inflatable cuff, and the air bag of the cuff is inflated by filling gas into the cuff, and the pressure sensor detects changes in the pressure of the cuff and analyzes the waveform to obtain user systolic and diastolic blood pressure values.
[0062] The detailed structure of the single-arm type miniature pneumatic pump device of the pre...
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PUM
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Abstract
A single-arm micro air pump device comprises an air pump main body (10) and a drive unit (20). The air pump main body (10) includes a bracket (11), an air chamber unit (12) combined with one side of the bracket (11), and a swing arm (13) arranged on the air chamber unit (12). An eccentric shaft (23) is arranged on the output shaft (21) of the driving unit (20) and drives the eccentric shaft (22) to pivot. The other end of the eccentric shaft (22) is combined on the swing arm (13) to drive the swing arm (13) to move back and forth between at least the near end and the remote position relative to the air chamber unit (12), so as to Push the piston unit (131) and output the air flow.
Description
technical field [0001] The invention relates to a single-arm micro-pneumatic pump device, in particular to a single-arm micro-pneumatic pump device applied to a medical cuff. Background technique [0002] Micro air pump refers to a gas conveying device with small size and gaseous working medium, which is mainly used for gas sampling, gas circulation, vacuum adsorption, vacuum pressure maintaining, pumping, pumping, pressurizing and other purposes. [0003] Micro air pumps are divided into micro negative pressure pumps, micro vacuum pumps, micro gas circulation pumps, micro air pumps, micro gas sampling pumps, micro air pumps, micro air pumps, micro air pumps, etc. according to their working principles. There are diaphragm type, electromagnetic type, impeller type, piston type and so on. Micro air pumps widely used in general medical and health, scientific research, laboratories, environmental protection, instrumentation, chemical and other industries mainly refer to micro v...
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