WO2018099390A1 - 单臂式微型气压泵装置 - Google Patents

单臂式微型气压泵装置 Download PDF

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Publication number
WO2018099390A1
WO2018099390A1 PCT/CN2017/113534 CN2017113534W WO2018099390A1 WO 2018099390 A1 WO2018099390 A1 WO 2018099390A1 CN 2017113534 W CN2017113534 W CN 2017113534W WO 2018099390 A1 WO2018099390 A1 WO 2018099390A1
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WO
WIPO (PCT)
Prior art keywords
gas
air chamber
interlayer
chamber
arm
Prior art date
Application number
PCT/CN2017/113534
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English (en)
French (fr)
Inventor
林世明
Original Assignee
林世明
洁朵晶科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 林世明, 洁朵晶科技股份有限公司 filed Critical 林世明
Priority to US16/465,498 priority Critical patent/US11517208B2/en
Priority to CN201780050684.8A priority patent/CN109642564B/zh
Publication of WO2018099390A1 publication Critical patent/WO2018099390A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A61B5/02208—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers using the Korotkoff method
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/361—Detecting fibrillation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/681—Wristwatch-type devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/047—Pumps having electric drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A61B5/0235—Valves specially adapted therefor

Definitions

  • the invention relates to a single-arm type micro air pump device, in particular to a single-arm type micro air pump device applied to a medical cuff.
  • the micro air pump refers to a small gas pump with a small working volume and a working medium, which is mainly used for gas sampling, gas circulation, vacuum adsorption, vacuum holding, pumping, pumping, pressurization and the like.
  • Micro air pump is divided into: micro negative pressure pump, micro vacuum pump, micro gas circulation pump, micro air pump, micro gas sampling pump, micro air pump, micro air pump, micro pumping air pump, etc. according to the working principle; There are diaphragm type, electromagnetic type, impeller type, piston type and the like.
  • General medical, scientific research, laboratory, environmental protection, instrumentation, chemical and other industries apply a wide range of micro air pumps mainly refers to micro vacuum pumps.
  • the micro air pump Compared with the general air pump, the micro air pump has the advantages of small size, low noise, low power consumption, easy operation, portability, maintenance-free operation, continuous operation for 24 hours, and the medium is rich in water vapor.
  • a micropump that is well known for use in a sphygmomanometer cuff, as shown in the patent publication No. I488609, provides a micropump comprising: a spout valve that allows the flow of gas from the pump chamber to flow and prohibits flow in the opposite direction.
  • the air chamber allows the gas flowing out of the pump chamber through the discharge valve to flow in; the discharge port allows the gas to be discharged to the outside of the diaphragm pump; and the through hole portion restricts the flow rate of the gas flowing from the air chamber toward the discharge port.
  • the micropump uses a plurality of diaphragms to change the pressure of the air chamber, and the motor traction support portion simultaneously controls the operation of the plurality of diaphragms; however, it is difficult to further miniaturize the structure of the micropump in practice, if the When the micropump is placed on a portable electronic device such as a portable device, the volume of the micropump is difficult to be practically applied, and there is a need for improvement.
  • the main object of the present invention is to provide a micro-shaped pump that can be disposed on a portable electronic device for the purpose of carrying blood pressure measurement.
  • the invention provides a single-arm type micro air pump device comprising a gas pump body and a driving unit.
  • the air pump main body includes a bracket, a air chamber unit coupled to one side of the bracket, and a swing arm disposed on the air chamber unit.
  • the driving unit is fixed on the bracket, and an output shaft of the driving unit is provided with an eccentric shaft and drives the eccentric shaft to pivot.
  • the other end of the eccentric shaft is coupled to the swing arm to cause the swing arm to reciprocate between at least a proximal end and a remote position relative to the plenum unit.
  • the air chamber unit includes a first air chamber and a second air chamber and a third air chamber respectively disposed on one side of the first air chamber, and the second air chamber and the first air chamber have a
  • the first direction check valve has a second direction check valve between the third air chamber and the first air chamber.
  • One end of the swing arm has a piston unit that covers the first direction check valve and the second direction check valve together to move gas to the remote position via the swing arm a second plenum is drawn into the first plenum, and gas is output from the first plenum to the third plenum to be output through a gas outlet of the third plenum when the oscillating arm is moved to the proximal position airflow.
  • an output shaft of the driving unit is perpendicular to the swing arm.
  • the two ends of the eccentric shaft have a first shaft joint and a second shaft joint, and the first shaft joint is coupled to the output shaft, and the second shaft joint is coupled to the swing arm. At one end, the first shaft joint is eccentrically disposed with respect to the second shaft joint.
  • the bottom side of the piston unit has a gas guiding groove covering the first direction check valve, and the gas guiding groove integrally extends to one side to cover the second direction.
  • a gas bowl above the valve the top end of the gas bowl is coupled to the swing arm and the inner space of the gas bowl is in communication with the gas guiding groove, and the gas bowl is stretched upward when the swing arm is moved to the remote position Dilation causes the gas of the second plenum to flow from the gas guiding groove into the inner space of the gas bowl, and the gas cup compresses the first plenum downward to make the first gas when the swing arm moves to the proximal position
  • the gas of the chamber is output to the third air chamber by the second direction check valve.
  • the air chamber unit includes a first interlayer, a second interlayer, and a third interlayer, the first air chamber is disposed between the first interlayer and the second interlayer, the second air chamber and the third The air chamber is disposed between the second interlayer and the third interlayer.
  • the first interlayer is integrally formed with the bracket and co-constructed as a main body.
  • the second interlayer and/or the third interlayer are provided with one or more grooves surrounding the second plenum and the circumferential side of the third plenum, and in the second interlayer and the third An elastic gasket is disposed between the interlayers on the inner side of the groove to make the second air chamber and the third air chamber respectively airtight.
  • a gas outlet pipe connected to the third air chamber is disposed on the third interlayer.
  • first interlayer, the second interlayer, and the circumferential side of the third interlayer respectively have one or more corresponding positioning portions for the locking unit to pass through and fix.
  • one side of the third interlayer is provided with a gas inlet connected to the second gas chamber.
  • the second gas chamber has one or two or more baffles.
  • the present invention has the following advantageous effects over the well-known techniques:
  • the present invention can be effectively miniaturized and applied to wearable devices or portable devices as compared with the prior art.
  • the present invention has better gas output efficiency than the well-known techniques and can reduce noise compared to well known techniques.
  • FIG. 1 is a schematic view showing the appearance of a single-arm type micro air pump device according to the present invention.
  • FIG. 2 is a schematic exploded view of the single-arm micro air pump device of the present invention (1).
  • FIG. 3 is a schematic exploded view of the single-arm micro air pump device according to the present invention (2).
  • Figure 4-1 is a schematic view showing the operation of the single-arm type micro air pump device of the present invention (1).
  • 4-2 is a schematic view showing the operation of the single-arm type micro air pump device of the present invention (2).
  • the invention provides a single-arm type micro air pump device, which can be matched with a wearable electronic device, such as a smart watch, a health bracelet, an arm strap or the like.
  • the device may be disposed on the portable device in another preferred application embodiment, which is convenient for the user to carry, and is not limited in the present invention.
  • the single-arm micro-pneumatic pump device can be used with a pneumatic cuff, and the airbag of the cuff is inflated by charging a gas into the cuff, and the waveform is analyzed by a pressure sensor to detect a change in the pressure of the airbag to obtain a user. Systolic and diastolic blood pressure values.
  • FIG. 1 is a schematic diagram showing the appearance and structure of the single-arm micro air pump device of the present invention (1) (b), as shown:
  • the single-arm micro air pump device 100 mainly includes an air pump main body 10 and a driving unit 20 disposed on one side of the air pump main body 10.
  • the air pump main body 10 mainly includes a bracket 11, a air chamber unit 12 coupled to one side of the bracket 11, and a swing arm 13 disposed on the air chamber unit 12.
  • the driving unit 20 is fixed on the bracket 11 , and an eccentric shaft 22 is disposed on the output shaft 21 of the driving unit 20 .
  • the other end of the eccentric shaft 22 is coupled to the swing arm 13.
  • the drive unit 20 can be in a preferred embodiment DC motor, AC motor or other similar power components.
  • Each of the two ends of the eccentric shaft 22 has a first shaft portion 221 and a second shaft portion 222.
  • the first shaft portion 221 is coupled to the output shaft 21, and the second shaft portion 222 is coupled to the shaft shaft portion 222.
  • One end of the swing arm 13 The first shaft portion 221 is eccentrically disposed with respect to the second shaft portion 222 to rotate the first shaft portion 221 at a relatively fixed position, and the second shaft portion 222 at the other end is
  • the one shaft joint portion 221 is circularly rotated in the center.
  • the output shaft 21 of the driving unit 20 is perpendicular to the swing arm 13, whereby the position indicated by the remote and proximal ends of the swing arm 13 is the two end positions in the vertical direction of the air chamber unit 12 (equivalent to Figure 4-1, Figure 4-2, the position on the upper and lower end points).
  • the air chamber unit 12 includes a first air chamber 12A and a second air chamber 12B and a third air chamber 12C respectively disposed on one side of the first air chamber 12A.
  • a first direction check valve 121A is disposed between the second air chamber 12B and the first air chamber 12A.
  • a second direction check valve 122A is disposed between the third air chamber 12C and the first air chamber 12A. .
  • the first direction check valve 121A is opened when the air pressure of the second air chamber 12B is greater than the first air chamber 12A, and vice versa; the second direction check valve 122A and the first direction check valve In contrast to 121A, the second direction check valve 122A is opened when the air pressure of the first air chamber 12A is greater than the third air chamber 12C, and is otherwise closed.
  • One end of the swing arm 13 has a piston unit 131. The piston unit 131 covers the first direction check valve 121A and the second direction check valve 122A.
  • the air chamber unit 12 is composed of a plurality of components, the gas
  • the chamber unit 12 mainly includes a first interlayer 121, a second interlayer 122, and a third interlayer 123.
  • the first interlayer 121 is integrally formed with the bracket 11 and co-constructed as a main body to support the driving unit 20 and ensure a relative positional relationship between the driving unit 20 and the plenum unit 12.
  • the first air chamber 12A is disposed between the first interlayer 121 and the second interlayer 122.
  • the second air chamber 12B and the third air chamber 12C are disposed on the second interlayer 122 and the third interlayer 123. between.
  • the second interlayer 122 and the third interlayer 123 are provided with one or more grooves 1221 and 1231 surrounding the second side of the second air chamber 12B and the third air chamber 12C, and the second interlayer 122 is disposed on the second interlayer 122.
  • the third interlayer 123 has an elastic sealing gasket 124 disposed on the inner side of the groove 1221 and 1231 to make the second air chamber 12B and the third air chamber 12C respectively airtight;
  • the trench 1221 or the trench 1231 may be separately disposed on the second interlayer 122 or the third interlayer 123, which is not limited in the present invention.
  • One or more corresponding positioning portions 1212, 1222, and 1232 are respectively disposed on the circumferential sides of the first interlayer 121, the second interlayer 122, and the third interlayer 123 for the locking unit T to pass through and fix .
  • the elastic sealing gasket 124 can be pressed against the circumferential sides of the second air chamber 12B and the third air chamber 12C to achieve an airtight effect.
  • the inner side of the second air chamber 12B is provided with two blocking walls 121B.
  • the baffle wall 121B is disposed on the second interlayer 122 and maintains a slight gap with the third interlayer 123 for airflow through the second plenum 12B; in another preferred embodiment
  • the blocking wall 121B can be disposed on the third interlayer 123 and maintain a gap with the second interlayer 122. This part looks at the structural design requirements (the difficulty of opening the mold, or the combination is difficult)
  • the obstruction wall 121B may be disposed in the second air chamber 12B as one or more, which is not limited in the present invention.
  • the arrangement of the obstruction wall 121B will cause the inlet of the second gas chamber 12B to flow to the outlet of the second gas chamber 12B.
  • the end velocity of the gas stream in the same gas stream is slowed down relative to the initial velocity of the gas stream, so that the gas
  • the output pressure is increased to effectively prevent the gas in the airbag from being easily returned from the gas inlet.
  • the bottom side of the piston unit 131 has a check valve covering the first direction
  • the gas guiding groove 1311 above the 121A, and integrally extending on one side of the gas guiding groove 1311, has a gas bowl 1312 covering the second direction check valve 122A.
  • the top end of the air bowl 1312 is coupled to the swing arm 13 and the inner space of the air bowl 1312 is in communication with the gas guiding groove 1311.
  • the upper side of the first interlayer 121 is provided with an opening 1211 corresponding to the air bowl 1312. The space for the swing arm 13 to pass through and to retain the air bowl 1312 is stretched.
  • the gas bowl 1312 and the gas guiding groove 1311 in the piston unit 131 are made of a whole piece of silica gel or rubber, and are fixed between the first interlayer 121 and the second interlayer 122 to complete positioning.
  • the co-construction unit of the gas guiding groove 1311 and the gas bowl 1312 covers the first direction check valve 121A and the second direction check valve 122A, and the volume of the first air chamber 12A passes through the gas guiding groove.
  • the space inside the groove 1311 and the gas bowl 1312 is determined.
  • the third interlayer 123 is provided with a gas inlet 1233 communicating with the second gas chamber 12B and a gas output pipe 1234 communicating with the third gas chamber 12C.
  • the gas inlet 1233 serves to balance the inner and outer pressures of the second plenum 12B to ensure that gas can be guided to the first plenum 12A via the second plenum 12B.
  • the gas output tube 1234 is configured to be coupled to the position of the cuff gas input port (not shown) for outputting the gas of the third air chamber 12C to the air bag of the cuff belt to inflate the air bag.
  • the driving unit 20 drives the eccentric shaft 22 to pivot, the eccentric shaft 22 is circled and the swing arm 13 is moved to a remote position, and when the swing arm 13 is moved to the remote position At the position H1, the air bowl 1312 is stretched upward and relaxed.
  • the gas pressure of the second air chamber 12B is greater than that of the first air chamber 12A, and the first direction check valve 121A is pushed open by the gas pressure to make the second air chamber.
  • the gas of 12B flows into the inner space of the gas bowl 1312 (that is, the first gas chamber 12A) by the gas guiding groove 1311, and at the same time, since the pressure of the third gas chamber 12C is larger than the first gas chamber 12A, the second The direction check valve 122A is in a closed state; for the connection, please refer to "Fig. 4-2".
  • the eccentric shaft 22 is circled and the swing arm 13 is moved to the proximal position H2
  • the air bowl 1312 is compressed downward.
  • the first air chamber 12A at which time the pressure of the first air chamber 12A is greater than the second air
  • the chamber 12B therefore, the first direction check valve 121A is in a closed state, and the gas pressure of the first air chamber 12A is greater than the third air chamber 12C, causing the gas of the first air chamber 12A to push the second direction back.
  • the valve 122A outputs a gas to the third air chamber 12C.
  • the present invention can be effectively miniaturized and applied to wearable devices or portable devices as compared with the prior art. Moreover, the present invention has better gas output efficiency than the well-known techniques and can reduce noise compared to well known techniques. Furthermore, in an additional feature of the present invention, since two choke walls are provided in the second air chamber, the wind pressure of the output air flow is increased to prevent the gas from flowing back against the flow.

Abstract

一种单臂式微型气压泵装置（100），包括一气泵主体（10）以及一驱动单元（20）。该气泵主体（10）包含有一支架（11）、一结合于该支架（11）一侧的气室单元（12）、以及一设置于该气室单元（12）上的摇摆臂（13）。该驱动单元（20）的输出轴（21）上设置有一偏心轴（22）并带动该偏心轴（22）枢转。该偏心轴（22）的另一端结合于该摇摆臂（13）上以带动该摇摆臂（13）在相对该气室单元（12）的至少近端与远程两个位置之间往复移动，以推动活塞单元（131）并输出气流。

Description

单臂式微型气压泵装置 技术领域
本发明有关于一种单臂式微型气压泵装置，特别是指一种应用于医疗用压脉带的单臂式微型气压泵装置。
背景技术
微型气泵是指体积小巧，工作介质为气态，主要用于气体采样、气体循环、真空吸附、真空保压、抽气、打气、增压等多种用途的一种气体输送装置。
微型气泵按用途分为：微型负压泵，微型真空泵，微型气体循环泵，微型气泵，微型气体采样泵，微型打气泵，微型抽气泵，微型抽气打气两用泵等；按工作原理分，有隔膜式、电磁式、叶轮式、活塞式等。一般医疗卫生、科研、实验室、环保、仪器仪表、化工等行业适用广泛的微型气泵主要指微型真空泵。微型气泵相较于一般的气泵具有体积小巧、噪音低、功耗小、易于操作、便于携带、免维护、可24小时连续运转，还允许介质富含水汽的优点。
熟知应用于血压计压脉带的微型泵，如专利公告号为I488609号专利所示，提供一种微型泵包括：吐出阀，容许从泵室流出的气体的流动且禁止朝其相反方向的流动；空气室，让通过吐出阀并从泵室流出的气体流入；吐出口，使气体朝膜片泵的外部吐出；及贯通孔部，限制从空气室朝吐出口流动的气体的流量。所述的微型泵利用多个膜片变更气室压力，利用马达牵引支撑部同时控制多个膜片运作；但是，熟知微型泵的结构在实际上制作时难以进一步微型化，如果欲将所述的微型泵放置于如随身携带的携带式电子装置上时，碍于微型泵的体积难以实际应用，而有尚须改善的缺失。
发明内容
本发明的主要目的，在于提供一种微形泵，可配合设置于携带式电子装置上，以实现携带式血压测量的目的。
本发明提供一种单臂式微型气压泵装置，包括一气泵主体、以及一驱动单元。该气泵主体包含有一支架、一结合于该支架一侧的气室单元、以及一设置于该气室单元上的摇摆臂。该驱动单元固定于该支架上，且该驱动单元的输出轴上设置有一偏心轴并带动该偏心轴枢转。该偏心轴的另一端结合于该摇摆臂上以带动该摇摆臂在相对该气室单元的至少近端与远程两个位置之间往复移动。其中，该气室单元包含有一第一气室、以及分别设置于该第一气室一侧的第二气室及第三气室，该第二气室与该第一气室之间具有一第一方向逆止阀，该第三气室与该第一气室之间有一第二方向逆止阀。该摇摆臂的一端具有一活塞单元，该活塞单元一并覆盖于该第一方向逆止阀及该第二方向逆止阀的上方，以经由该摇摆臂移动至该远程位置时将气体由该第二气室抽入该第一气室，并在该摇摆臂移动至该近端位置时将气体由该第一气室输出至该第三气室以经由该第三气室的气体出口输出气流。
进一步地，该驱动单元的输出轴与该摇摆臂垂直。
进一步地，该偏心轴的两端分别具有一第一轴接部以及一第二轴接部，该第一轴接部结合于该输出轴上，该第二轴接部结合于该摇摆臂的一端，该第一轴接部相对该第二轴接部偏心设置。
进一步地，该活塞单元的底侧具有一覆盖于该第一方向逆止阀上方的气体导引沟槽，并在该气体导引沟槽向一侧一体延伸有一覆盖于该第二方向逆止阀上方的气碗，该气碗的顶端结合于该摇摆臂且该气碗的内侧空间与该气体导引沟槽相连通，在该摇摆臂移动至该远程位置时该气碗向上拉伸并舒张使第二气室的气体由该气体导引沟槽流入该气碗的内侧空间，在该摇摆臂移动至该近端位置时该气碗向下压缩该第一气室使该第一气室的气体由该第二方向逆止阀输出至该第三气室。
进一步地，该气室单元包含有一第一夹层、第二夹层、及第三夹层，该第一气室设置于该第一夹层及该第二夹层之间，该第二气室及该第三气室设置于该第二夹层及该第三夹层之间。
进一步地，该第一夹层与该支架一体成型并共构为一主体。
进一步地，该第二夹层及/或该第三夹层上设置有一个或多个沟槽围绕于该第二气室及该第三气室的周侧，并在该第二夹层及该第三夹层之间具有一弹性密封垫片设置于该沟槽的内侧以令该第二气室及该第三气室分别气密。
进一步地，该第三夹层上设置有一连通于该第三气室的气体输出管。
进一步地，该第一夹层、该第二夹层、及该第三夹层的周侧分别具有一或多个相互对应的定位部，用以供锁固单元穿过并固定。
进一步地，该第三夹层的一侧设置有一连通于该第二气室的气体入口。
进一步地，该第二气室内具有一个或两个或多个阻流墙。
是以，本发明比起熟知技术具有以下优势功效：
1.本发明比起熟知技术可有效的微型化并应用于穿戴式装置或便携设备。
2.本发明比起熟知技术具有较佳的气体输出效率，且相较于熟知技术可减少噪声。
3.在本发明一附加技术特征中，因在第二气室中设有两道阻流墙，借此提升输出气流的风压以避免气体逆流而泄气。
附图说明
图1，为本发明单臂式微型气压泵装置的外观示意图。
图2，为本发明单臂式微型气压泵装置的结构分解示意图(一)。
图3，为本发明单臂式微型气压泵装置的结构分解示意图(二)。
图4-1，为本发明单臂式微型气压泵装置的工作示意图(一)。
图4-2，为本发明单臂式微型气压泵装置的工作示意图(二)。
符号说明：
100    单臂式微型气压泵装置
10     气泵主体
11     支架
12     气室单元
121    第一夹层
1211   开孔
1212   定位部
122    第二夹层
1221   沟槽
1222   定位部
123    第三夹层
1231   沟槽
1232   定位部
1233   气体入口
1234   气体输出管
124    弹性密封垫片
12A    第一气室
121A   第一方向逆止阀
122A   第二方向逆止阀
12B    第二气室
12C    第三气室
13     摇摆臂
131    活塞单元
1311   气体导引沟槽
1312   气碗
20     驱动单元
21     输出轴
22     偏心轴
221    第一轴接部
222    第二轴接部
H1     远程位置
H2     近端位置
T      锁固单元
具体实施方式
有关本发明的详细说明及技术内容，现就配合图式说明如下。
本发明提供一种单臂式微型气压泵装置，该单臂式微型气压泵装置可配合设置于穿戴式电子装置上，例如智能型手表、健康手环、手臂固定带或其他类此的穿戴式装置，或是在另一较佳应用实施例中可设置于便携设备上，便于用户携带，在本发明中不予以限制。所述的单臂式微型气压泵装置可配合充气式压脉带使用，通过将气体充入压脉带使压脉带的气囊膨胀，并通过压力传感器侦测气囊压力的变化分析波形以获得用户的收缩压及舒张压数值。
以下针对本发明单臂式微型气压泵装置的详细构造进行说明，请一并参阅“图1”至“图3”，本发明单臂式微型气压泵装置的外观示意图及结构分解示意图(一)、(二)，如图所示：
所述的单臂式微型气压泵装置100主要包括一气泵主体10、以及一设置于该气泵主体10一侧的驱动单元20。
所述的气泵主体10主要包含有一支架11、一结合于该支架11一侧的气室单元12、以及一设置于该气室单元12上的摇摆臂13。该驱动单元20固定于该支架11上，且该驱动单元20的输出轴21上设置有一偏心轴22。该偏心轴22的另一端结合于该摇摆臂13上，当该输出轴21转动时，偏心轴22配合该输出轴21枢转，以带动该摇摆臂13在相对该气室单元12的至少近端与远程两个位置之间往复移动。该驱动单元20在一较佳实施例中可以为 直流马达、交流马达或是其他类似的动力组件。
该偏心轴22的两端分别具有一第一轴接部221以及一第二轴接部222，该第一轴接部221结合于该输出轴21上，该第二轴接部222结合于该摇摆臂13的一端。其中，该第一轴接部221相对该第二轴接部222偏心设置，以令该第一轴接部221在相对固定位置上转动时，另一端的第二轴接部222则以该第一轴接部221为中心画圆旋转。其中，该驱动单元20的输出轴21与该摇摆臂13垂直，由此所指该摇摆臂13的远程及近端所指位置为该气室单元12垂直方向上的两个端点位置(相当于图4-1、图4-2中的上侧及下侧方向端点上的位置)。
所述的气室单元12包含有一第一气室12A、以及分别设置于该第一气室12A一侧的第二气室12B及第三气室12C。该第二气室12B与该第一气室12A之间具有一第一方向逆止阀121A；该第三气室12C与该第一气室12A之间则设置有一第二方向逆止阀122A。其中，该第一方向逆止阀121A在该第二气室12B的气压大于该第一气室12A时开启，反之则关闭；该第二方向逆止阀122A与该该第一方向逆止阀121A相反，该第二方向逆止阀122A在该第一气室12A的气压大于该第三气室12C时开启，反之则关闭。该摇摆臂13的一端具有一活塞单元131，该活塞单元131一并覆盖于该第一方向逆止阀121A及该第二方向逆止阀122A的上方，该摇摆臂13移动至远程位置时将气体由该第二气室12B抽入该第一气室12A，并在该摇摆臂13移动至该近端位置时将气体由该第一气室12A输出至该第三气室12C以经由该第三气室12C的气体出口输出气流，通过单一摇摆臂13的运作完成抽气及送气的工作。
以下一并配合“图1”至“图3”针对本发明的构造进行更详细的说明，需特别叙明的是，所述的结构为本发明的其中一种可行的较佳实施例，但并不属于本发明所欲限制的范围，在此必须先行说明。
于在本实施例中，气室单元12由多个零组件组合而成，该气 室单元12主要包含有一第一夹层121、第二夹层122、及第三夹层123。该第一夹层121与该支架11一体成型并共构为一主体，以支持该驱动单元20并确保该驱动单元20与该气室单元12之间的相对位置关系。其中，该第一气室12A设置于该第一夹层121及该第二夹层122之间，该第二气室12B及该第三气室12C设置于该第二夹层122及该第三夹层123之间。
其中该第二夹层122及该第三夹层123上设置有一个或多个沟槽1221、1231围绕于该第二气室12B及该第三气室12C的周侧，并在该第二夹层122及该第三夹层123之间具有一弹性密封垫片124设置于该沟槽1221、1231的内侧，以令该第二气室12B及该第三气室12C分别气密；在另一较佳实施例中，所述的沟槽1221或沟槽1231可以单独设置于该第二夹层122或该第三夹层123上，在本发明中不予以限制。在该第一夹层121、该第二夹层122、及该第三夹层123的周侧分别具有一或多个相互对应的定位部1212、1222、1232，用以供锁固单元T穿过并固定。该锁固单元T在锁固后可令该弹性密封垫片124紧迫于该第二气室12B及该第三气室12C的周侧，达到气密的效果。
其中，第二气室12B内侧设置有二阻流墙121B。在本实施例中，该阻流墙121B设置于第二夹层122上，并与该第三夹层123之间保持些许间隙，以供气流通过第二气室12B；在另一较佳实施例中，所述的阻流墙121B可设置于第三夹层123上，并与该第二夹层122之间保持间隙，此部分端看结构设计上的需求(开模难易度、或是组合难易度考虑)；又在一较佳实施例中，所述的阻流墙121B在第二气室12B内亦可设置为一或三个以上，在本发明中不予以限制。依据白努利定律(Bernoulli's principle)，阻流墙121B的设置将使第二气室12B入口气流至第二气室12B出口气流同一道气流中气流的末速相对气流的初速减慢，使气体输出的压力增加，有效的避免气囊内气体不易由气体入口处逆流回去。
所述的活塞单元131的底侧具有一覆盖于该第一方向逆止阀 121A上方的气体导引沟槽1311，并在该气体导引沟槽1311向一侧一体延伸有一覆盖于该第二方向逆止阀122A上方的气碗1312。该气碗1312的顶端结合于该摇摆臂13且该气碗1312的内侧空间与该气体导引沟槽1311相连通，第一夹层121的上侧对应该气碗1312设置有一开孔1211，用以供摇摆臂13穿过并保留供该气碗1312拉伸的空间。其中，活塞单元131中的气碗1312及气体导引沟槽1311通过整片的硅胶或橡胶制成，且固定于该第一夹层121及该第二夹层122之间以完成定位。气体导引沟槽1311及气碗1312的共构单元整片覆盖于该第一方向逆止阀121A及第二方向逆止阀122A的上方，第一气室12A的容积经由该气体导引沟槽1311及气碗1312内侧的空间决定。
该第三夹层123上设置有一连通于该第二气室12B的气体入口1233、以及一连通于该第三气室12C的气体输出管1234。该气体入口1233用以平衡该第二气室12B的内外侧压力，以确保气体可以经由该第二气室12B导引至该第一气室12A。该气体输出管1234用以结合于压脉带气体输入口(图未示)的位置，用以将第三气室12C的气体输出至压脉带的气囊以对该气囊进行充气。
以下请一并参阅“图4-1”及“图4-2”，本发明单臂式微型气压泵装置的工作示意图(一)及工作示意图(二)，如图所示：
“图4-1”，在启动时，该驱动单元20带动该偏心轴22枢转，使该偏心轴22画圆并带动该摇摆臂13移动至远程位置，当该摇摆臂13移动至该远程位置H1时，该气碗1312向上拉伸并舒张，此时第二气室12B的气体压力大于第一气室12A，通过气体压力推开该第一方向逆止阀121A，使第二气室12B的气体由该气体导引沟槽1311流入该气碗1312的内侧空间(意即该第一气室12A)，于此同时由于第三气室12C的压力大于第一气室12A，第二方向逆止阀122A为紧闭的状态；接续，请参阅“图4-2”，当该偏心轴22画圆并带动该摇摆臂13移动至近端位置H2时，该气碗1312向下压缩该第一气室12A，此时第一气室12A的压力大于第二气 室12B，因此第一方向逆止阀121A为关闭的状态，而第一气室12A的气体压力大于该第三气室12C，使该第一气室12A的气体推开该第二方向逆止阀122A以将气体输出至该第三气室12C。
综上所述，本发明比起熟知技术可有效的微型化并应用于穿戴式装置或便携设备。此外，本发明比起熟知技术具有较佳的气体输出效率，且相较于熟知技术可减少噪声。再者，在本发明一附加技术特征中，因在第二气室中设有两道阻流墙，借此提升输出气流的风压以避免气体逆流而泄气。
以上已将本发明做一详细说明，但是以上所述，仅为本发明的一较佳实施例而已，当不能以此限定本发明实施的范围，即凡依本发明申请专利范围所作的均等变化与修饰，皆应仍属本发明的专利涵盖范围内。

Claims (11)

  1. 一种单臂式微型气压泵装置，其特征在于：包括：
    一气泵主体，包含有一支架、一结合于该支架一侧的气室单元、以及一设置于该气室单元上的摇摆臂；以及
    一驱动单元，固定于该支架上，且该驱动单元的输出轴上设置有一偏心轴并带动该偏心轴枢转，该偏心轴的另一端结合于该摇摆臂上以带动该摇摆臂于相对该气室单元的至少近端与远程两个位置之间往复移动；
    其中，该气室单元包含有一第一气室、以及分别设置于该第一气室一侧的第二气室及第三气室，该第二气室与该第一气室之间具有一第一方向逆止阀，该第三气室与该第一气室之间有一第二方向逆止阀，该摇摆臂的一端具有一活塞单元，该活塞单元一并覆盖于该第一方向逆止阀及该第二方向逆止阀的上方，以经由该摇摆臂移动至该远程位置时将气体由该第二气室抽入该第一气室，并于该摇摆臂移动至该近端位置时将气体由该第一气室输出至该第三气室以经由该第三气室的气体出口输出气流。
  2. 根据权利要求1所述的单臂式微型气压泵装置，其特征在于，该驱动单元的输出轴与该摇摆臂垂直。
  3. 根据权利要求2所述的单臂式微型气压泵装置，其特征在于，该偏心轴的两端分别具有一第一轴接部以及一第二轴接部，该第一轴接部结合于该输出轴上，该第二轴接部结合于该摇摆臂的一端，该第一轴接部相对该第二轴接部偏心设置。
  4. 根据权利要求1所述的单臂式微型气压泵装置，其特征在于，该活塞单元的底侧具有一覆盖于该第一方向逆止阀上方的气体导引沟槽，并于该气体导引沟槽向一侧一体延伸有一覆盖于该第二 方向逆止阀上方的气碗，该气碗的顶端结合于该摇摆臂且该气碗的内侧空间与该气体导引沟槽相连通，于该摇摆臂移动至该远程位置时该气碗向上拉伸并舒张使第二气室的气体由该气体导引沟槽流入该气碗的内侧空间，于该摇摆臂移动至该近端位置时该气碗向下压缩该第一气室使该第一气室的气体由该第二方向逆止阀输出至该第三气室。
  5. 根据权利要求1所述的单臂式微型气压泵装置，其特征在于，该气室单元包含有一第一夹层、第二夹层、及第三夹层，该第一气室设置于该第一夹层及该第二夹层之间，该第二气室及该第三气室设置于该第二夹层及该第三夹层之间。
  6. 根据权利要求5所述的单臂式微型气压泵装置，其特征在于，该第一夹层与该支架一体成型并共构为一主体。
  7. 根据权利要求5所述的单臂式微型气压泵装置，其特征在于，该第二夹层及/或该第三夹层上设置有一或多个沟槽围绕于该第二气室及该第三气室的周侧，并于该第二夹层及该第三夹层之间具有一弹性密封垫片设置于该沟槽的内侧以令该第二气室及该第三气室分别气密。
  8. 根据权利要求5所述的单臂式微型气压泵装置，其特征在于，该第三夹层上设置有一连通于该第三气室的气体输出管。
  9. 根据权利要求5所述的单臂式微型气压泵装置，其特征在于，该第一夹层、该第二夹层、及该第三夹层的周侧分别具有一个或多个相互对应的定位部，用以供锁固单元穿过并固定。
  10. 根据权利要求5所述的单臂式微型气压泵装置，其特征在 于，该第三夹层的一侧设置有一连通于该第二气室的气体入口。
  11. 根据权利要求1所述的单臂式微型气压泵装置，其特征在于，该第二气室内具有一个或两个或多个阻流墙。
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