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WO2020200275A1 - 诊脉仪及其控制方法 - Google Patents

诊脉仪及其控制方法 Download PDF

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Publication number
WO2020200275A1
WO2020200275A1 PCT/CN2020/082955 CN2020082955W WO2020200275A1 WO 2020200275 A1 WO2020200275 A1 WO 2020200275A1 CN 2020082955 W CN2020082955 W CN 2020082955W WO 2020200275 A1 WO2020200275 A1 WO 2020200275A1
Authority
WO
WIPO (PCT)
Prior art keywords
airbag
pressurized
pressurized airbag
pressure
pulse
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2020/082955
Other languages
English (en)
French (fr)
Inventor
解渤
尉长虹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Taiyi Technology Co Ltd
Original Assignee
Beijing Taiyi Technology Co Ltd
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
Priority claimed from CN201910272281.9A external-priority patent/CN110013233A/zh
Priority claimed from CN201920454476.0U external-priority patent/CN210520956U/zh
Application filed by Beijing Taiyi Technology Co Ltd filed Critical Beijing Taiyi Technology Co Ltd
Priority to US17/600,740 priority Critical patent/US20220296104A1/en
Publication of WO2020200275A1 publication Critical patent/WO2020200275A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4854—Diagnosis based on concepts of alternative medicine, e.g. homeopathy or non-orthodox
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • 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
    • A61B5/02233—Occluders specially adapted therefor
    • 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
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6824—Arm or wrist
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0247—Pressure sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array

Definitions

  • the invention relates to the technical field of pulse diagnosis, and specifically provides a pulse diagnosis instrument and a control method thereof.
  • a pulse diagnosis instrument usually has an airbag in its housing, and a sensor is arranged on the airbag.
  • the airbag is inflated/deflated to deform it so that the sensor contacts or detaches from the wrist.
  • the sensor collects pulse information when it contacts the wrist. Collecting pulse information through sensors improves the accuracy of obtaining pulse information, avoids doctors from making incorrect judgments on the health of the body based on inaccurate pulse information, and avoids the influence of pulse diagnosis doctors’ experience on pulse diagnosis accuracy. This improves the diagnostic level and efficiency of Chinese medicine.
  • an improved pulse diagnosis device appeared on the market.
  • a plurality of pressure sensors are arranged on the airbag of the pulse diagnostic device. When collecting pulse information at the "inch”, “off”, and “chi” positions on the wrist, multiple pressures are applied to each of the three positions of "inch”, “off” and “Chi” on the wrist The sensor collects pulse information, and the collected pulse information is processed to obtain more accurate pulse information, which improves the accuracy of pulse diagnosis.
  • the pressure sensor when the pressure sensor is pressed against the surface of the wristwatch after the airbag is inflated, the surface of the airbag has a relatively large curvature, resulting in that some of the pressure sensors cannot be The same pressure abuts on the surface of the wrist, which in turn affects the comprehensive and effective collection of pulse information by multiple pressure sensors.
  • the present invention provides a pulse diagnosis device, which includes a body and is arranged at a place.
  • the pressurized airbag includes a plurality of sub-airbags, and the multiple sub-airbags are laid on one level so as to abut the pressure sensors against the wrist at a set pressure after inflation. s surface.
  • the multiple sub-airbags communicate with each other, and/or the multiple sub-airbags are arranged in an array on the same level.
  • the plurality of sub-airbags are arranged in an array on an annular surface.
  • the pressurized airbag includes an elastic base and a plurality of air cavities formed in the base to communicate with each other, so that the plurality of pressure sensors can be set in substantially the same setting after inflation. Press the constant pressure against the surface of the wrist.
  • the pressurized airbag maintains an initial state when it is not inflated, and the shape of the pressurized airbag matches the shape of the wrist in the initial state.
  • the pressurized airbag includes two opposite compressed side walls and a connecting side wall connected to the two compressed side walls.
  • the compressed side wall and the connecting side wall The side wall forms a cavity containing gas, wherein the rigidity of the pressurized side wall is greater than the rigidity of the connecting side wall; and/or the thickness of the pressurized side wall is greater than the thickness of the connecting side wall.
  • the connecting side wall includes a plurality of sub-side walls, and the plurality of sub-side walls are connected to each other to form a folding structure, and the folding structure is respectively connected with the two pressure side walls.
  • the air pump assembly includes an air pump for pumping out the gas in the pressurized balloon.
  • a regulating valve is provided between the air pump assembly and the pressurized airbag, and the regulating valve can adjust the flow rate of the gas entering and leaving the pressurized airbag.
  • the pressurizing airbag in the pressurizing mechanism can make multiple pressure sensors abut against the surface of the wrist at approximately the same set pressure after being inflated.
  • the pressurized airbag includes a plurality of sub-airbags, which are laid on one level so as to abut the multiple pressure sensors against the surface of the wrist at approximately the same set pressure after inflation, or the pressurized airbag includes an elastic base and is formed on the base
  • the multiple air cavities in the body communicate with each other. After the multiple air cavities are inflated, the volume of the pressurized airbag can be increased, so that the multiple pressure sensors can abut against the surface of the wrist with substantially the same set pressure.
  • the multiple pressure sensors in the pulse diagnosis instrument can be pressed against the surface of the wrist with roughly the same set pressure, which improves the accuracy of collecting pulse information, makes the force on the wrist watch face more uniform, and optimizes
  • the user’s experience avoids that some of the multiple pressure sensors of the existing pulse diagnosis device cannot be pressed against the surface of the wrist with a set pressure or cannot be pressed against the surface of the wrist, causing some pressure sensors to fail to collect effective pulse information Or the pulse condition information cannot be collected and the processed pulse condition information is inaccurate, resulting in inaccurate or incorrect diagnosis of health conditions.
  • the description of “make multiple pressure sensors abut against the surface of the wrist with approximately the same set pressure” means that the pressure of multiple pressure sensors may be slightly different, that is, within a certain error range. Yes, if the set pressure is 150g, the pressure of multiple pressure sensors is between 140g-160g, or the set pressure is 80g, the pressure of multiple pressure sensors is between 75g-85g, etc., it is regarded as The pressure is approximately the same, and does not have a substantial impact on the technical solution.
  • the pressurized airbag includes a plurality of sub-airbags communicating with each other, and the plurality of sub-airbags are arranged in an array on a level.
  • the plurality of sub-airbags are arranged in an array on a level.
  • the structure is relatively simple, the cost is relatively low, and the air pressure in each sub-airbag can be effectively kept consistent during the inflation process, when multiple pressure sensors are against the wrist The force on the lower wrist is more even, which improves the comfort of the wrist during pulse diagnosis.
  • the present invention also provides a method for controlling a pulse diagnosis instrument, which includes a body, a pressure mechanism provided on the body, a plurality of pressure sensors connected to the pressure mechanism, and
  • the pressure mechanism is a controller communicatively connected with the pressure sensor, the pressure mechanism includes a pressure airbag and an air pump assembly connected to the pressure airbag, and the control method includes the following steps: controlling the air pump assembly to The pressurized airbag is inflated; the pressure sensor is controlled to collect pulse information; the pressurized airbag is controlled to be deflated; wherein, the inflation is performed in the first setting mode, and the deflation is performed in the second setting mode.
  • the step of "inflation is performed according to the first setting mode" specifically includes: controlling the air pump assembly to inflate the pressurized airbag in stages.
  • the step of "inflation is performed according to the first setting mode" specifically includes: controlling the air pump assembly to inflate the pressurized airbag in a manner that the inflation speed is gradually or stepwise reduced.
  • the step of "inflation is performed according to the first setting mode" specifically includes: controlling the air pump assembly to inflate the pressurized airbag at a first set speed, and at the same time controlling the charging The pressure airbag is deflated at a second set speed; wherein the first set speed is greater than the second set speed.
  • the step of "deflating according to the second setting mode” specifically includes: controlling the pressurized airbag to deflate in stages.
  • the step of "deflating according to the second setting mode” specifically includes: controlling the pressurized airbag to deflate in a manner that the deflation speed gradually or stepwise increases.
  • the air pump assembly is controlled to inflate the pressurized airbag in the first setting mode during the inflation process, such as inflating in stages, and controlling the inflation during the deflation process.
  • the pressure airbag is deflated according to the second setting mode. If deflation is performed in stages, the pressure change in the pressurized airbag can be made smoother, which avoids the rapid change of the air pressure in the pressurized airbag during inflation and deflation, so that The pressure on the wrist changes quickly and causes discomfort in the wrist, which optimizes the user experience.
  • Fig. 1 is a schematic diagram of the main structure of a pulse diagnosis instrument according to an embodiment of the present invention
  • Figure 2 is a schematic view of the structure of the pressurized airbag in Figure 1;
  • FIG. 3 is a schematic diagram of a structure of a pressurized airbag of a pulse diagnostic device according to an embodiment of the present invention
  • FIG. 4 is another schematic diagram of the structure of the pressurized airbag of the pulse diagnostic device according to an embodiment of the present invention.
  • Figure 5 is a schematic cross-sectional view of the pressurized airbag in Figure 4.
  • FIG. 6 is a schematic diagram of another structure of the pressurized airbag of the pulse diagnostic device according to an embodiment of the present invention.
  • Figure 7 is a schematic cross-sectional view of the pressurized airbag in Figure 6;
  • FIG. 8 is a schematic diagram of the connection principle of the compression mechanism and its related components in the pulse diagnosis instrument according to an embodiment of the present invention.
  • Fig. 9 is a flowchart of a method for controlling a pulse diagnostic device according to an embodiment of the present invention.
  • the terms “set” and “connection” should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two components.
  • the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.
  • FIG. 1 is a schematic diagram of the main structure of an embodiment of the pulse diagnosis instrument of the present invention
  • FIG. 2 is a schematic diagram of the structure of the pressurized balloon in FIG. 1
  • FIG. 8 is an embodiment of the present invention
  • the pulse diagnosis instrument includes a body, such as a cylindrical housing (not shown in the figure), in which a pressure mechanism is provided and connected to the pressure mechanism A plurality of pressure sensors 12 and a controller 6 connected in communication with the pressurizing mechanism and the pressure sensor 12.
  • the pressurizing mechanism includes a pressurized airbag 21 and an air pump assembly connected to the pressurized airbag 21.
  • a mounting plate 13 is provided under the pressurized airbag 21, an elastic layer 14 is provided on the underside of the mounting plate 13, and a substrate 11 is provided on the underside of the elastic layer 14, and a plurality of pressure sensors 12 are arranged on the substrate 11 in an array. The lower surface.
  • the pressurized airbag 21 includes two opposite pressure side walls 211 and a connecting side wall 212 connected to the two pressure side walls 211.
  • the pressure side wall 211 and the connecting side wall 212 form a cavity containing gas.
  • the wall 211 and the connecting side wall 212 are made of the same material, such as polyethylene plastic, nylon, etc., and the thickness of the compressed side wall 211 is greater than the thickness of the connecting side wall 212.
  • the thickness of the compressed side wall 211 is 1-3 mm.
  • the thickness of the connecting side wall 212 takes any value of 0.05-0.5 mm.
  • the upper pressure side wall 211 is provided with an inlet and outlet air pipe 22.
  • the air pump assembly includes an air pump 51 and a vacuum pump 52.
  • the air pump 51 and the vacuum pump 52 are connected to the air inlet and outlet pipe 22 through a three-way valve (not shown in the figure).
  • An air pressure sensor 4 is provided in the pipeline between the inflator 51 and the pressurized airbag 21.
  • the controller 6 communicates with the pressure sensor 12, the air pressure sensor 4, the air pump 51 and the vacuum pump 52 respectively. It should be noted that, in order to facilitate the display of the thickness of the compressed side wall 211 and the connecting side wall 212, the end of the pressurized airbag 21 is not closed by the connecting side wall 212, but this does not mean that the pulse diagnosis instrument of the present invention is added. The end of the pressure bladder is not closed.
  • the controller 6 controls the air pump 51 to start to inflate the pressurized airbag 21.
  • the air pressure sensor 4 detects the air pressure value in the pipeline in real time (equivalent to the air pressure value in the pressurized airbag 21) and feeds it back to the controller 6 in real time.
  • the controller 6 controls the inflator pump 51 to stop, and at the same time controls the pressure sensor 12 to collect the skin.
  • the pulse condition information corresponding to the "inch”, “off”, and "ulnar" positions of the radial artery 32 on the layer 31.
  • the controller 6 controls the vacuum pump 52 to pneumatically pump the pressurized airbag 21, so that the pressurized airbag 21 is restored to the initial state, for example, the pressurized airbag 21 may be in a vacuum state or It is a state in which a small amount of gas exists in the pressurized airbag 21, etc.
  • the shape of the pressurized side wall 211 does not change much with the increase in inflation, and the connecting side wall 212
  • the shape of the pressure sensor 12 changes greatly with the increase of the inflation amount, so that the volume of the pressurized airbag 21 increases, and finally, under the pressure of the pressure side wall 211 below, the multiple pressure sensors 12 are transmitted by the substrate 11.
  • the coming pressure abuts the skin layer 31 of the wrist with approximately the same set pressure, so that the multiple pressure sensors 12 can effectively collect pulse information at corresponding positions, thereby improving the accuracy of pulse information collection.
  • the force on the wrist is more even, which improves comfort.
  • the pressurized side wall 211 and the connecting side wall 212 are made of the same material, such as polyethylene plastic, nylon, and the like.
  • the body of the pulse diagnosing instrument is a cylindrical shell is only a specific embodiment, and those skilled in the art can adjust it as needed to adapt to specific applications.
  • the body can be composed of two semi-circular arched members.
  • the ring structure can also be a ring structure (similar to the ring structure of a watch) formed by a flexible belt connected to a pressing mechanism, or other suitable structures, as long as the body, the pressure mechanism and the wrist can cooperate to make the pressure sensor and the wrist
  • the upper "inch”, “off”, and “ruler” positions can fit well.
  • the thickness of the compressed side wall 211 is greater than the thickness of the connecting side wall 212, and those skilled in the art can adjust it as needed to adapt to specific applications, such as the compressed side wall 211
  • the connecting side wall 212 are made of different materials, such as the pressure side wall 211 is made of polyethylene, the connecting side wall 212 is made of nylon, or the pressure side wall 211 and the connecting side wall 212 are made of other suitable different materials.
  • the thickness of the pressed side wall 211 is greater than the thickness of the connecting side wall 212.
  • the compressed side wall 211 can be set to have a stiffness greater than that of the connecting side wall 212, such as the compressed side wall 211 It is made of resin and other materials, and the connecting side wall 212 is made of rubber and other materials. Both have the same thickness.
  • the compressed side wall 211 can be set to have a stiffness and thickness greater than that of the connecting side wall 212, or other suitable ones. Setting method, etc.
  • the air pump assembly including a vacuum pump 52 for evacuating the pressurized air bag 21 is only a preferred embodiment.
  • Those skilled in the art may not install the vacuum pump 52 according to their needs, and instead install a solenoid valve, which can be achieved by controlling the opening of the solenoid valve.
  • the airbag 21 is compressed.
  • the setting of the air inlet and outlet pipes 22 for the pressurized airbag 21 to inflate and deflate is only a specific embodiment, and the art has made adjustments to it to adapt to specific applications.
  • an air inlet pipe may be provided on the pressurized airbag 21 And outlet pipe.
  • a plurality of pressure sensors 12 are arrayed on the substrate 11, and an elastic layer 14 and a mounting plate 13 are provided between the substrate 11 and the pressurized airbag 21 to indirectly connect to the pressurized airbag 21. It is a specific implementation, and those skilled in the art can adjust it as needed to adapt to specific applications. For example, multiple pressure sensors 12 can be directly arranged on the lower side of the pressurized airbag 21.
  • the connecting side wall 212 includes two sub-side walls, the two sub-side walls are connected to each other to form a "V"-shaped folded structure, and the folded structure is connected to the two pressurized side walls 211 respectively.
  • the folding structure can be deformed by folding and unfolding, so that the volume of the pressurized airbag 21 is changed and the shape of the compressed side wall 211 is basically unchanged.
  • One of the two pressurized side walls 211 translates relative to the other to keep the posture of the pressurized side wall 211 basically unchanged, so that the multiple pressure sensors 12 relatively accurately abut the skin layer 31 of the wrist, and The multiple pressure sensors 12 are pressed against the wrist with substantially the same set pressure, so that the force on the wrist is more uniform.
  • the connecting side wall 212 includes two sub-side walls, and the two sub-side walls are connected to each other to form a "V"-shaped folding structure is only a specific embodiment, and those skilled in the art can make adjustments according to needs. It is adjusted to suit specific applications.
  • the connecting side wall 212 may include 3, 4 or more sub-side walls, and multiple sub-side walls are connected to each other to form a folded structure, or formed by other suitable folding methods. Folding structure, etc.
  • the pressurized airbag 21 is also provided with an exhaust port, and a regulating valve 7 is provided at the exhaust port.
  • the controller 6 controls the opening of the regulating valve 7 at the exhaust port to adjust the exhaust speed of the pressurized airbag 21, so that the pressurized airbag 21 can follow the set pressure Curved exhaust further improves wrist comfort.
  • the opening degree of the regulating valve 7 can be adjusted between 0-100%. When the opening degree of the regulating valve 7 is 0, the regulating valve 7 is completely closed. When the opening degree of the regulating valve 7 is 100%, The regulating valve 7 is fully opened.
  • a regulating valve 7 is provided on the pipeline between the inflator 51 and the pressurized airbag 21.
  • the controller 6 controls the opening of the regulating valve 7 between the inflator 51 and the pressurized airbag 21 to adjust the inflation speed of the pressurized airbag 21, so that the pressurized airbag 21 follows
  • the set pressure curve is inflated to further improve the comfort of the wrist.
  • the pressure curve may be an inclined straight line, a broken line or a smooth curve in the pressure-time coordinate system.
  • FIG. 3 is a schematic diagram of a structure of the pressurized airbag of the pulse diagnosis instrument according to an embodiment of the present invention.
  • the pressurized airbag 21 includes 25 sub-airbags 213 arranged in a 5 ⁇ 5 array on one layer, and the sub-airbags 213 communicate with each other through a trachea 214, and The multiple sub-airbags 213 are connected by a flexible material (such as plastic film, rubber film, etc.).
  • One of the sub-airbags 213 is provided with an air inlet 217, and the other sub-airbag 213 is provided with an air outlet 218.
  • the air pump 51 is connected to the air inlet 217 through a pipeline, and an air pressure sensor 4 and a regulating valve 7 are provided in the pipeline between the air pump 51 and the air inlet 217.
  • the air outlet 218 is respectively connected with a vacuum pump 52 and a regulating valve 7 through a three-way valve.
  • the controller 6 can control the air pump 51 to inflate the pressurized airbag 21 through the air inlet 217, and can control the adjustment valve 7 between the air pump 51 and the pressurized airbag 21 to change the opening to adjust the air intake speed during the inflation process.
  • the controller 6 can control any one of the vacuum pump 52 and the regulating valve 7 connected through a three-way valve to open, so as to exhaust by the vacuum pump 52 or the regulating valve 7 to control the exhaust speed according to the set pressure curve. Exhaust by way of exhaust.
  • the volume of the plurality of sub-airbags 21 can be increased after inflating to apply a more uniform pressure to the plurality of pressure sensors 12 so that the plurality of pressure sensors 12 abut the skin layer 31 of the wrist with substantially the same set pressure.
  • the multiple sub-airbags 213 are in communication with each other, and the pressure in the multiple sub-airbags 213 can be kept the same during inflation and deflation, so that the force on the wrist is relatively uniform, and the comfort is improved.
  • the structure is relatively simple and the cost is relatively low.
  • the pressurized airbag 21 includes 25 sub-airbags 213 arranged in a 5 ⁇ 5 array on one level is only a specific implementation, and those skilled in the art can adjust it as needed.
  • the pressurized airbag 21 can include 30, 40 or other numbers of sub-airbags 213, 30 sub-airbags can be arranged in arrays such as 10 ⁇ 3, 5 ⁇ 6, and 40 sub-airbags can be arranged in 8 ⁇ 5, 10 ⁇ 4 and other array settings.
  • multiple sub-airbags 213 communicate with each other, which is only a preferred embodiment.
  • Those skilled in the art can also set multiple sub-airbags to be disconnected from each other as needed, and each sub-airbag is equipped with an inflator for inflation.
  • a plurality of sub-airbags 213 are arranged on an annular level at the time in an array, and the plurality of sub-airbags 213 communicate with each other.
  • the entire circle area of the wrist can be subjected to uniform pressure, thereby further improving comfort.
  • FIG. 4 is another structural schematic diagram of the pressurized airbag of the pulse diagnostic device according to an embodiment of the present invention
  • FIG. 5 is a schematic cross-sectional view of the pressurized airbag in FIG.
  • the pressurized airbag 21 includes a ring-shaped base 215, the base 215 is made of rubber material, and a plurality of air cavities 216 are formed in the base 215. They communicate with each other through a trachea 214.
  • the pressurized airbag 21 is also provided with an air inlet 217 and an air outlet 218. When the air cavity 216 is not inflated, the pressurized airbag 21 maintains the initial state, that is, the state where the base 215 is not deformed.
  • the base body 215 After the pressurized airbag 21 is inflated to the set pressure through the air inlet 217, the base body 215 is deformed to increase the volume of the pressurized airbag 21, and the inner ring of the annular pressurized airbag 21 is reduced to reduce the pressure sensors 12 Abut the skin layer 31 of the wrist. After the pressure sensor 12 collects the pulse information, exhaust is performed through the air outlet 218, such as opening a solenoid valve connected to the air outlet 218. Under the action of the elastic force of the base body 215, the base body 215 recovers from deformation and discharges the gas in the air cavity 216 from the air outlet 218, so that the pressurized airbag 21 is restored to the initial state.
  • the pressurized airbag 21 can be maintained in the initial state without inflation, so as to facilitate the next pulse diagnosis operation.
  • the gas in the air cavity 216 can be automatically discharged when the air outlet 218 is opened, and the pressurized airbag 21 can be automatically restored to the initial state, thereby making the pulse diagnosis operation more convenient.
  • the base 215 is ring-shaped, matching the shape of the wrist, and can better fit the surface of the wrist watch after the pressurized airbag 21 is inflated and deformed, thereby improving comfort.
  • the base 215 made of rubber is only a specific embodiment, and those skilled in the art can adjust it as needed to adapt to specific applications.
  • the base 215 may also have silica gel. , Or other suitable elastic materials.
  • the ring structure of the base 215 is only a preferred embodiment, and those skilled in the art can adjust it as needed to adapt to specific applications.
  • the base 215 may be saddle-shaped, cube-shaped, etc.
  • the pressure sensor 12 is arranged on the side of the base 215 opposite to the "inch”, "off” and “ruler” positions on the wrist.
  • the base 215 is a cube, the base 215 is provided with air inlet and outlet pipes 22, the base 215 is provided with a plurality of columnar air chambers 216, and the plurality of columnar air chambers 216 are arranged in parallel in 3 rows, each row A plurality of air cavities 216 are included.
  • the air cavities 216 adjacent to each other are in communication with each other, and the air cavities 216 at the ends of two adjacent rows are in communication with each other and with the air inlet and outlet pipes 22.
  • the pulse diagnosis instrument includes a main body, a pressurizing mechanism provided on the main body, a plurality of pressure sensors connected to the pressurizing mechanism, and a communication connection with the pressurizing mechanism and the pressure sensor.
  • the controller, the pressurizing mechanism includes a pressurized airbag and an air pump assembly connected to the pressurized airbag.
  • the pressurized airbag includes a plurality of interconnected sub-airbags laid on a layer so that the multiple pressure sensors are approximately the same after inflation
  • the set pressure of the pressure is against the surface of the wrist, or the pressurized airbag includes a base body and multiple air chambers formed in the base body to communicate with each other.
  • the volume of the pressurized airbag can be increased and multiple pressure sensors Abut the surface of the wrist with approximately the same set pressure.
  • the multiple pressure sensors in the pulse diagnosis instrument can be pressed against the surface of the wrist with approximately the same set pressure, which improves the accuracy of collecting pulse information and can make the force on the wrist surface more uniform.
  • the user experience is optimized, and it is avoided that some of the multiple pressure sensors of the existing pulse diagnosis device cannot be pressed against the surface of the wrist with approximately the same set pressure or cannot be pressed against the surface of the wrist, causing some pressure sensors to fail to collect Valid pulse information or the inability to collect pulse information causes the processed pulse information to be inaccurate, resulting in inaccurate health diagnosis or incorrect diagnosis.
  • the pressurized airbag 21 of the pulse diagnostic device includes 25 sub-airbags 213 arranged in a 5 ⁇ 5 array on one level.
  • the sub-airbags 213 communicate with each other through a trachea 214, and multiple sub-airbags
  • the airbags 213 are connected by flexible materials (such as plastic films, rubber films, etc.), one of the sub-airbags 213 is provided with an air inlet 217, and the other sub-airbag 213 is provided with an air outlet 218.
  • the air pump 51 is connected to the air inlet 217 through a pipeline, and an air pressure sensor 4 and a regulating valve 7 are provided in the pipeline between the air pump 51 and the air inlet 217.
  • the air outlet 218 is respectively connected with a vacuum pump 52 and a regulating valve 7 through a three-way valve.
  • the controller 6 communicates with the air pressure sensor 4, the air pump 51, the vacuum pump 52, and the two regulating valves 7 respectively.
  • the control method of the pulse diagnosis instrument of the present invention includes the following steps:
  • the controller 6 controls the inflator pump 51 to turn on, and at the same time controls the regulating valve 7 in the pipeline between the inflator pump 51 and the air inlet 217 to adjust its opening to the first degree of opening, such as 100%, to control the three-way valve
  • the regulating valve 7 connected to it is communicated with the pressurized air bag 12, and the regulating valve 7 connected to the three-way valve is controlled to adjust its opening degree to a second opening degree, such as 20%.
  • the air pressure sensor 4 detects the air pressure in the pressurized airbag 21 in real time. When the air pressure reaches the set pressure, the controller 6 controls the two regulating valves 7 to adjust their opening to 0, so that the pressurized airbag 21 is maintained. Current air pressure.
  • the controller 6 controls the pressure sensor 12 to collect pulse information. After collecting the pulse information, the controller 6 controls the pressurized airbag 21 to exhaust in stages. Specifically, control the regulating valve 7 connected to the three-way valve to adjust its opening to 60%, and then control the regulating valve 7 to close to keep the pressurized air bag for 2s after deflation, for example, 2s, and then control the regulating valve 7 to open to 60%. The% opening is deflated for 2s, and then the regulating valve 7 is controlled to close to keep the pressurized airbag for 2s, and so on until the gas in the pressurized airbag 21 is completely discharged.
  • the inflation speed is greater than the deflation speed while inflating, so that the effective inflation amount of the pressurized airbag 21 changes relatively smoothly, and avoids that the pressurization speed in the pressurized airbag 21 is too fast.
  • the inflator 51 inflates the pressurized airbag 21
  • the load changes smoothly, which prolongs the service life of the inflator 51 and reduces the use cost to a certain extent.
  • the staged exhaust can make the pressure change on the wrist relatively smooth, avoid the discomfort caused by the pressure on the wrist decreases too quickly, and improve the comfort of the wrist during the exhaust process.
  • the first opening degree of 100% and the second opening degree of 20% are only a specific implementation, and those skilled in the art can adjust it as needed, such as The first opening degree is 90%, 80%, 85%, etc., and the second opening degree is 30%, 25%, 18%, etc., as long as the first opening degree is greater than the second opening degree.
  • staged deflation cycle of "deflation 2s-maintaining pressure 2s-deflating 2s” is only an exemplary description, and those skilled in the art can adjust it according to needs, for example, according to "deflation 0.5s-holding pressure 0.5s-degassing 0.5s" cycle mode, "venting 0.5s-holding pressure 0.3s-degassing 0.3s” or other time interval cycle methods for deflation.
  • the pressurized airbag 21 can be inflated in stages. That is, inflate according to the set inflation speed for a first period of time and then maintain the pressure for a second period of time, and then perform inflation at the set inflation rate for the first period of time and then maintain the pressure for a second period of time, and so on until the air pressure in the pressurized airbag 21
  • the set value is reached.
  • the first duration may be the same or different.
  • the pressurized airbag 21 can be inflated in stages according to the cycle mode of "inflate 0.5s-pressure hold 0.5s-inflate 0.5s", "inflate 0.8s-pressure 0.2s-inflate 0.8s", etc. In this way, the inflation process of the pressurized balloon 21 can be avoided when the radial artery 32 is beating, and the comfort of the wrist can be improved.
  • the inflation speed in the process of inflating the pressurized airbag 21, can be gradually reduced over time, so that the air pressure of the pressurized airbag 21 is inflated at a smaller value when the air pressure is close to the set value. Inflate at a higher speed, so that air pressure changes more smoothly and further improve comfort. For example, before the pressurized airbag 21 contacts the wrist, the inflation speed gradually decreases from large during the inflation process, and the inflation speed continues to decrease when the pressurized airbag 21 contacts the wrist.
  • the pressurized airbag 21 is inflated quickly before the face of the wristwatch is contacted, and slowly after the pressurized airbag 21 contacts the face of the wristwatch, the comfort of the wrist during the inflation process is improved and the inflation time is avoided.
  • the inflation speed can be reduced in stages.
  • the air deflation speed in the process of deflating the pressurized airbag 21, can be gradually increased over time, so that the air pressure of the pressurized airbag 21 becomes more stable when it is close to the set value.
  • the low deflation speed makes the air pressure change more smoothly and further improves the comfort of the wrist.
  • the deflation speed can be increased step by step.

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Abstract

一种诊脉仪及其控制方法，旨在解决现有诊脉仪的多个传感器无法与手腕表面良好贴合的问题。诊脉仪包括本体、设置于本体上的加压机构、与加压机构连接的多个压力传感器（12）以及与加压机构和压力传感器（12）通信连接的控制器（6），加压机构包括加压气囊（21）以及与加压气囊（21）连接的气泵组件，其中，加压气囊（21）在充气后能够使多个压力传感器（12）以大致相同的设定压力抵靠至手腕的表面。通过这样的设置，能够使诊脉仪中的多个压力传感器（12）以大致相同的设定压力抵靠至手腕的表面，提高了采集脉象信息的准确性，并且使手腕表面的受力更加均匀，优化了用户的使用体验。

Description

诊脉仪及其控制方法 技术领域
本发明涉及诊脉技术领域，具体提供了一种诊脉仪及其控制方法。
背景技术
随着科学技术的不断发展和进步，越来越多的医疗器械被研发出来。其中，诊脉仪通常在其壳体内设置一个气囊，气囊上设置传感器，通过对气囊进行充气/放气使其变形以便传感器与手腕接触或者脱离，传感器在接触手腕时对脉象信息进行采集。通过传感器采集脉象信息，提高了获取脉象信息的准确性，避免了医生根据不准确的脉象信息对身体的健康状况作出错误的判定，避免了诊脉医生经验对诊脉准确性的影响，在很大程度上提高了中医诊断水平和诊断效率。
为了进一步提高诊脉仪获取的脉象信息的准确性，市场上出现了改进后的诊脉仪。该诊脉仪的气囊上设置有多个压力传感器。在对手腕上“寸”、“关”、“尺”位置的脉象信息进行采集时，手腕上“寸”、“关”、“尺”三个位置中的每一个均位置均采用多个压力传感器进行脉象信息采集，采集后的脉象信息经过处理后以获取更加准确的脉象信息，提高了诊脉准确性。不过，在气囊充气后将压力传感器抵靠至手腕表面的情况下，气囊表面具有较大的曲率，导致多个压力传感器中的部分压力传感器不能抵靠至手腕表面或者多个压力传感器不能以大致相同的压力抵靠至手腕的表面，进而影响多个压力传感器全面有效地采集脉象信息。
相应地，本领域需要一种新的技术方案来解决上述问题。
发明内容
为了解决现有技术中的上述问题，即为了解决现有诊脉仪的多个传感器无法与手腕表面良好贴合的问题，本发明提供了一种诊脉仪，所述诊脉仪包括本体、设置于所述本体上的加压机构、与所述加压机构 连接的多个压力传感器以及与所述加压机构和所述压力传感器通信连接的控制器，所述加压机构包括加压气囊以及与所述加压气囊连接的气泵组件，其中，所述加压气囊在充气后能够使所述多个压力传感器以大致相同的设定压力抵靠至手腕的表面。
在上述诊脉仪的优选技术方案中，所述加压气囊包括多个子气囊，所述多个子气囊在一个层面上铺设以便在充气后将所述多个压力传感器以设定的压力抵靠至手腕的表面。
在上述诊脉仪的优选技术方案中，所述多个子气囊相互连通，并且/或者所述多个子气囊以阵列方式设置在同一个层面上。
在上述诊脉仪的优选技术方案中，所述多个子气囊以阵列方式设置在一个环形面上。
在上述诊脉仪的优选技术方案中，所述加压气囊包括弹性的基体以及形成于所述基体内相互连通的多个气腔，以便在充气后将所述多个压力传感器以大致相同的设定压力抵靠至手腕的表面。
在上述诊脉仪的优选技术方案中，在未充气的情况下所述加压气囊保持初始状态，在初始状态下所述加压气囊的形状与手腕的形状相匹配。
在上述诊脉仪的优选技术方案中，所述加压气囊包括相对的两个受压侧壁以及与两个所述受压侧壁连接的连接侧壁，所述受压侧壁和所述连接侧壁形成容纳气体的腔体，其中，所述受压侧壁的刚度大于所述连接侧壁的刚度；并且/或者所述受压侧壁的厚度大于所述连接侧壁的厚度。
在上述诊脉仪的优选技术方案中，所述连接侧壁包括多个子侧壁，所述多个子侧壁彼此连接形成折叠结构，所述折叠结构分别与两个所述受压侧壁连接。
在上述诊脉仪的优选技术方案中，所述气泵组件包括用于抽出所述加压气囊中的气体的气泵。
在上述诊脉仪的优选技术方案中，所述气泵组件与所述加压气囊之间设置有调节阀，所述调节阀能够调节进出所述加压气囊的气体的流速。
本领域技术人员能够理解的是，在本发明的技术方案中，加压机构中的加压气囊在充气后能够使多个压力传感器以大致相同的设定压力抵靠至手腕的表面，如加压气囊包括多个子气囊，多个子气囊在一个层面上铺设以便在充气后将多个压力传感器以大致相同的设定压力抵靠至手腕的表面，或者加压气囊包括弹性的基体以及形成于基体内相互连通的多个气腔，多个气腔充气后能够使加压气囊体积增大而使多个压力传感器以大致相同的设定压力抵靠至手腕的表面。通过这样的设置方式，能够使诊脉仪中的多个压力传感器以大致相同的设定压力抵靠至手腕的表面，提高了采集脉象信息的准确性，使手腕表面的受力更加均匀，优化了用户的使用体验，避免了现有诊脉仪的多个压力传感器中的一部分不能以设定的压力抵靠至手腕的表面或者不能抵靠至手腕的表面导致部分压力传感器采集不到有效的脉象信息或者采集不到脉象信息造成处理后的脉象信息不准确而出现健康状况诊断不准确或者诊断错误的情况。需要说明的是，“使多个压力传感器以大致相同的设定压力抵靠至手腕的表面”的描述指的是多个压力传感器的压力可以存在微小的不同，即在一定的误差范围内即可，如设定压力为150g，多个压力传感器的压力为140g-160g之间的值，或者设定压力为80g，多个压力传感器的压力为75g-85g之间的值等，即视为压力大致相同，对本技术方案的不产生实质性的影响。
在本发明的优选技术方案中，加压气囊包括相互连通的多个子气囊，多个子气囊以阵列方式设置在一个层面上。通过这样的设置，不仅能够使多个压力传感器以大致相同的设定压力抵靠至手腕的表面，并且多个子气囊相互连通，能够借助一个气泵对多个子气囊进行充气，与多个彼此独立的子气囊均配置一个气泵进行充气的方案相比，结构相对简单，成本相对较低，并且充气过程中能够有效地使各子气囊内的气压保持一致，在多个压力传感器抵靠至手腕的情况下手腕的受力更加均匀，提高了诊脉过程中手腕的舒适性。
此外，本发明还提供了一种诊脉仪的控制方法，所述诊脉仪包括本体、设置于所述本体上的加压机构、与所述加压机构连接的多个压力传感器以及与所述加压机构和所述压力传感器通信连接的控制器，所述加压机构包括加压气囊以及与所述加压气囊连接的气泵组件，所述 控制方法包括以下步骤：控制所述气泵组件对所述加压气囊进行充气；控制所述压力传感器采集脉象信息；控制所述加压气囊进行放气；其中，充气按照第一设定方式进行，放气按照第二设定方式进行。
在上述控制方法的优选技术方案中，“充气按照第一设定方式进行”的步骤具体包括：控制所述气泵组件分阶段对所述加压气囊进行充气。
在上述控制方法的优选技术方案中，“充气按照第一设定方式进行”的步骤具体包括：控制所述气泵组件按照充气速度逐渐或逐级减小的方式对所述加压气囊进行充气。
在上述控制方法的优选技术方案中，“充气按照第一设定方式进行”的步骤具体包括：控制所述气泵组件按照第一设定速度对所述加压气囊进行充气，同时控制所述加压气囊按照第二设定速度放气；其中，所述第一设定速度大于所述第二设定速度。
在上述控制方法的优选技术方案中，“放气按照第二设定方式进行”的步骤具体包括：控制所述加压气囊分阶段进行放气。
在上述控制方法的优选技术方案中，“放气按照第二设定方式进行”的步骤具体包括：控制所述加压气囊按照放气速度逐渐或逐级增大的方式进行放气。
本领域技术人员能够理解的是，在本发明的技术方案中，在充气过程中控制气泵组件对加压气囊按照第一设定方式进行充气，如分阶段进行充气，在放气过程中控制加压气囊按照第二设定方式进行放气，如分阶段进行放气，能够使加压气囊中的压力变化较为平缓，避免了充气和放气过程中加压气囊内的气压变化较快，使手腕所受压力变化较快而造成手腕不舒适的情况，优化了用户的使用体验。
附图说明
下面参照附图来描述本发明的优选实施方式，附图中：
图1是本发明一种实施例的诊脉仪的主要结构示意图；
图2是图1中加压气囊的结构示意图；
图3是本发明一种实施例的诊脉仪的加压气囊的一种结构示意图；
图4是本发明一种实施例的诊脉仪的加压气囊的另一种结构示意图；
图5是图4中加压气囊的剖视示意图；
图6是本发明一种实施例的诊脉仪的加压气囊的又一种结构示意图；
图7是图6中加压气囊的剖视示意图；
图8是本发明一种实施例的诊脉仪中加压机构及其相关部件的连接原理图；
图9是本发明一种实施例的诊脉仪控制方法的流程图。
附图标记列表:
11、基板；12、压力传感器；13、安装板；14、弹性层；21、加压气囊；211、受压侧壁；212、连接侧壁；213、子气囊；214、气管；215、基体；216、气腔；217、进气口；218、出气口；22、进出气管；31、皮肤层；32、桡动脉；4、气压传感器；51、充气气泵；52、真空泵；6、控制器；7、调节阀。
具体实施方式
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非旨在限制本发明的保护范围。例如，虽然本发明诊脉仪中多个压力传感器与加压气囊间接连接，但是本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合，如多个压力传感器也可以直接连接于加压气囊等。显然，调整后的技术方案仍将落入本发明的保护范围。
需要说明的是，在本发明的描述中，术语“左”、“右”、“上”、“下”、“内”、“外”等指示的方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
另外，还需要说明的是，在本发明的描述中，除非另有明确的规定和限定，术语“设置”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也 可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，还可以是两个元件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本发明中的具体含义。
此外，为了更好地说明本发明，在下文的具体实施方式中给出了众多的具体细节。本领域技术人员应当理解，没有某些具体细节，本发明同样可以实施。在一些实施例中，对于本领域技术人员熟知的方法、手段、元件和电路未作详细描述，以便于突显本发明的主旨。
参照图1、图2和图8，图1是本发明一种实施例的诊脉仪的主要结构示意图；图2是图1中加压气囊的结构示意图；图8是本发明一种实施例的诊脉仪中加压机构及其相关部件的连接原理图。
如图1、图2和图8所示并按照图1的方位，诊脉仪包括本体，如筒状的壳体(图中未示出)，壳体内设置有加压机构、与加压机构连接的多个压力传感器12以及与加压机构和压力传感器12通信连接的控制器6，加压机构包括加压气囊21以及与加压气囊21连接的气泵组件。具体而言，加压气囊21下方设置有安装板13，安装板13下侧设置有弹性层14，弹性层14的下侧设置有基板11，多个压力传感器12以阵列的方式设置在基板11的下表面。加压气囊21包括相对的两个受压侧壁211以及与两个受压侧壁211连接的连接侧壁212，受压侧壁211和连接侧壁212形成容纳气体的腔体，受压侧壁211和连接侧壁212采用同种材料如聚乙烯塑料、尼龙等制成，并且受压侧壁211的厚度大于连接侧壁212的厚度，如受压侧壁211的厚度取1-3mm中的任一个值，连接侧壁212的厚度取0.05-0.5mm中的任一个值。位于上方的受压侧壁211上设置有进出气管22，气泵组件包括充气气泵51和真空泵52，充气气泵51和真空泵52通过三通阀(图中未示出)与进出气管22连接。在充气气泵51与加压气囊21之间的管路中设置有气压传感器4。控制器6分别与压力传感器12、气压传感器4、充气气泵51以及真空泵52通信连接。需要说明的是，为了方便显示受压侧壁211和连接侧壁212的厚度，加压气囊21的端部未通过连接侧壁212封闭，但这并不意味着本发明的诊脉仪中的加压气囊的端部是不封闭的。
在使用过程中，控制器6控制充气气泵51启动对加压气囊21进行充气。在此过程中，气压传感器4实时检测管路内的气压值(等 同于加压气囊21中的气压值)并实时反馈至控制器6。当管路内的气压值达到设定的压力值时，多个压力传感器12以设定的压力抵靠至手腕的皮肤层31，控制器6控制充气气泵51停止，同时控制压力传感器12采集皮肤层31上对应于桡动脉32的“寸”、“关”、“尺”位置的脉象信息。在压力传感器12采集完脉象信息后，控制器6控制真空泵52气动对加压气囊21进行抽气，从而使加压气囊21恢复至初始状态，如可以是加压气囊21处于真空状态，也可以是加压气囊21中存在少量气体的状态等。
在对加压气囊21进行充气的整个过程中，由于受压侧壁211的厚度大于连接侧壁212的厚度，受压侧壁211的形状随着充气量的增加变化不大，连接侧壁212的形状随着充气量的增加而产生较大的变化，从而使加压气囊21的体积增大，最终在下方的受压侧壁211的挤压下，多个压力传感器12均受到基板11传递过来的压力而以大致相同的设定压力抵靠至手腕的皮肤层31，使多个压力传感器12均能够有效采集对应位置的脉象信息，从而提高了脉象信息采集的准确性。并且，手腕受力较为均匀，提高了舒适性。
本领域技术人员可以理解的是，受压侧壁211和连接侧壁212采用同种材料如聚乙烯塑料、尼龙等制成。诊脉仪的本体为筒状的壳体仅是一种具体的实施方式，本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合，如本体可以是两个半圆拱形构件构成的环形结构，也可以是柔性带连接压紧机构形成的环状结构(类似于手表的环状结构)或者其他合适的结构，只要能够通过本体、加压机构以及手腕的配合能够使压力传感器与手腕上“寸”、“关”、“尺”位置良好贴合即可。另外，受压侧壁211的厚度大于连接侧壁212的厚度仅是一种具体的实施方式，本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合，如受压侧壁211和连接侧壁212采用不同的材料制成，如受压侧壁211采用聚乙烯制成，连接侧壁212采用尼龙，或者受压侧壁211和连接侧壁212分别采用其他合适的不同材料制成等，受压侧壁211的厚度大于连接侧壁212的厚度。为了在充气过程中使连接侧壁212发生主要的变形而受压侧壁211基本保持形状不变，可以将受压侧壁211设置成刚度大于连接侧壁212的刚度，如受压侧壁211采 用树脂等材料制成，连接侧壁212采用橡胶等材料制成，二者的厚度相同，也可以将受压侧壁211设置成刚度和厚度大于连接侧壁212的刚度和厚度或者其他合适的设置方式等。此外，气泵组件包括真空泵52用于对加压气囊21进行抽气仅是一种优选的实施方式，本领域技术人员可以根据需要不设置真空泵52，取而代之设置电磁阀，通过控制电磁阀的打开实现加压气囊21的排气。并且，加压气囊21设置进出气管22进行充气和放气仅是一种具体的实施方式，本领域对其作出调整，以便适应具体的应用场合，如可以在加压气囊21上设置一个进气管和出气管。
本领域技术人员还可以理解的是，多个压力传感器12阵列设置在基板11上，基板11与加压气囊21之间还设置有弹性层14、安装板13以与加压气囊21间接连接仅是一种具体的实施方式，本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合，如多个压力传感器12可以直接设置在加压气囊21的下侧。
继续参照图2，优选地，连接侧壁212包括两个子侧壁，两个子侧壁彼此连接形成“V”形的折叠结构，折叠结构分别与两个受压侧壁211连接。通过这样的设置，在对加压气囊21进行充放气的过程中，折叠结构能够通过折叠和展开发生变形，使加压气囊21的体积变化并保持受压侧壁211的形状基本发生不变，两个受压侧壁211中的一个相对于另一个平移而使受压侧壁211的姿态基本保持不变，从而使多个压力传感器12相对准确的抵靠至手腕的皮肤层31，并使多个压力传感器12以大致相同的设定压力抵靠至手腕，使手腕的受力更加均匀。
本领域技术人员可以理解的是，连接侧壁212包括两个子侧壁，两个子侧壁彼此连接形成“V”形的折叠结构仅是一种具体的实施方式，本领域技术人员可以根据需要对其进行调整，以便适应具体的应用场合，如连接侧壁212可以包括3个、4个或者更多个子侧壁，多个子侧壁两两彼此连接形成折叠结构，或者以其他合适的折叠方式形成折叠结构等。
继续参照图8，优选地，加压气囊21还设置有排气口，排气口处设置有调节阀7。在加压气囊21排气的过程中，控制器6控制与排气口处的调节阀7的开度而调节加压气囊21的排气速度，从而使加压气囊21能够按照设定的压力曲线排气，进一步提高手腕的舒适度。需要 说明的是，调节阀7的开度可以在0-100％之间调节，当调节阀7的开度为0时，调节阀7完全关闭，当调节阀7的开度为100％时，调节阀7完全打开。
继续参照图8，优选地，充气气泵51与加压气囊21之间的管路上设置有调节阀7。在对加压气囊21进行充气的过程中，控制器6控制充气气泵51与加压气囊21之间的调节阀7的开度而调节加压气囊21的充气速度，从而使加压气囊21按照设定的压力曲线进行充气，进一步提高手腕的舒适度。本领域技术人员可以理解的是，压力曲线可以是压力-时间坐标系中的倾斜直线、折线或者平滑曲线等。
继续参照图3并继续参照图8，图3是本发明一种实施例的诊脉仪的加压气囊的一种结构示意图。在另一种实施方式中，如图3和图6所示，加压气囊21包括以5×5阵列设置在一个层面上的25个子气囊213，子气囊213之间通过气管214相互连通，并且多个子气囊213通过柔性材料(如塑料薄膜、橡胶薄膜等)连接，其中一个子气囊213设置有进气口217，另一个子气囊213设置有出气口218。充气气泵51通过管路与进气口217连接，充气气泵51与进气口217之间的管路中设置有气压传感器4和一个调节阀7。出气口218通过三通阀分别连接有真空泵52和一个调节阀7。控制器6可以控制充气气泵51通过进气口217对加压气囊21进行充气，充气过程中可以控制充气气泵51与加压气囊21之间的调节阀7改变开度以调节进气速度。控制器6可以控制通过三通阀连接的真空泵52和调节阀7中的任一个开启，以便以真空泵52抽气的方式进行排气或者以调节阀7控制排气速度而按照设定的压力曲线排气的方式进行排气。
通过这样的设置，能够通过多个子气囊21充气后体积增大从而对多个压力传感器12施加较为均匀的压力而使多个压力传感器12以大致相同的设定压力抵靠至手腕的皮肤层31，保证了多个压力传感器12与手腕的皮肤层31的良好贴合，提高了采集脉象信息的准确性，并且提高了手腕的舒适性。多个子气囊213相互连通，能够在充放气的过程中使多个子气囊213中的压力保持相同，使手腕受力比较均匀，提高了舒适性。并且，与多个彼此独立的子气囊均配置一个气泵进行充气的方案相比，结构相对简单，成本相对较低。
本领域技术人员可以理解的是，加压气囊21包括以5×5阵列设置在一个层面上的25个子气囊213仅是一种具体的实施方式，本领域技术人员可以根据需要对其进行调整，以便适应具体的应用场合，如加压气囊21可以包括30个、40个或者其他数量的子气囊213，30个子气囊可以按照10×3、5×6等阵列方式设置，40个子气囊可以按照8×5、10×4等阵列方式设置。另外，多个子气囊213相互连通，仅是一种优选的实施方式，本领域技术人员还可以根据需要将多个子气囊设置成相互之间不连通，每个子气囊分别配置一个充气泵进行充气。
优选地，多个子气囊213以阵列的当时设置在一个环形层面上，多个子气囊213相互连通。通过这样的设置，在对加压气囊21进行充气和放气的过程中，能够使手腕的整圈区域受到均匀的压力，从而进一步提高舒适性。
参照图4和图5，图4是本发明一种实施例的诊脉仪的加压气囊的另一种结构示意图；图5是图4中加压气囊的剖视示意图。如图4和图5所示，在另一种实施方式中，加压气囊21包括环状的基体215，基体215由橡胶材料制成，基体215内形成有多个气腔216，气腔216之间通过气管214连通。加压气囊21还设置有进气口217和出气口218。在未对气腔216进行充气的情况下，加压气囊21保持初始状态，即基体215未发生形变的状态。经过进气口217对加压气囊21充气至设定压力后，基体215发生形变而使加压气囊21的体积变大，环状的加压气囊21的内圈缩小而将多个压力传感器12抵靠至手腕的皮肤层31。在压力传感器12采集完脉象信息后，通过出气口218进行排气，如打开连接在出气口218处的电磁阀。在基体215自身的弹力作用下，基体215恢复形变而将气腔216中的气体从出气口218排出，使加压气囊21恢复至初始状态。
通过这样的设置，能够使加压气囊21在未充气的情况下保持初始状态，以方便下次的诊脉操作。依靠基体215自身的弹性，能够在出气口218打开的情况下自动使气腔216中的气体排出，并使加压气囊21自动恢复至初始状态，从而使诊脉操作更加便捷。基体215为环状，与手腕的形状相匹配，能够在加压气囊21充气变形后与手腕表面更好地贴合，提高了舒适性。
本领域技术人员可以理解的是，基体215由橡胶制成仅是一种具体的实施方式，本领域技术人员可以根据需要对其进行调整，以便适应具体的应用场合，如基体215还可以有硅胶、或者其他合适的弹性材料制成。另外，基体215为环状结构仅是一种优选的实施方式，本领域技术人员可以根据需要对其进行调整，以便适应具体的应用场合，如基体215可以是马鞍状、立方体形状等，多个压力传感器12设置在基体215上与手腕上“寸”、“关”、“尺”位置相对的一侧。如图6和图7所示，基体215为立方体，基体215上设置有进出气管22，基体215内设置有多个柱状的气腔216，多个柱状气腔216按照3排平行排列，每排包括多个气腔216，彼此相邻的气腔216相互连通，相邻两排的端部的气腔216彼此连通并与进出气管22连通。
通过以上描述可以看出，在本发明的优选技术方案中，诊脉仪包括本体、设置于本体上的加压机构、与加压机构连接的多个压力传感器以及与加压机构和压力传感器通信连接的控制器，加压机构包括加压气囊以及与加压气囊连接的气泵组件，加压气囊包括铺设在一个层面上的多个相互连通的子气囊以便在充气后将多个压力传感器以大致相同的设定压力抵靠至手腕的表面，或者加压气囊包括基体以及形成于基体内相互连通的多个气腔，多个气腔充气后能够使加压气囊体积增大而使多个压力传感器以大致相同的设定压力抵靠至手腕的表面。通过这样的设置方式，能够使诊脉仪中的多个压力传感器以大致相同的设定压力抵靠至手腕的表面，提高了采集脉象信息的准确性，并且能够使手腕表面的受力更加均匀，优化了用户的使用体验，避免了现有诊脉仪的多个压力传感器中的一部分不能以大致相同的设定压力抵靠至手腕的表面或者不能抵靠至手腕的表面导致部分压力传感器采集不到有效的脉象信息或者采集不到脉象信息造成处理后的脉象信息不准确而出现健康状况诊断不准确或者诊断错误的情况。
下面参照3、图8和图9来对本发明的诊脉仪的控制方法进行介绍。
如图3、图8和图9所示，诊脉仪的加压气囊21包括以5×5阵列设置在一个层面上的25个子气囊213，子气囊213之间通过气管214相互连通，并且多个子气囊213通过柔性材料(如塑料薄膜、橡 胶薄膜等)连接，其中一个子气囊213设置有进气口217，另一个子气囊213设置有出气口218。充气气泵51通过管路与进气口217连接，充气气泵51与进气口217之间的管路中设置有气压传感器4和一个调节阀7。出气口218通过三通阀分别连接有真空泵52和一个调节阀7。控制器6分别与气压传感器4、充气气泵51、真空泵52以及两个调节阀7通信连接。本发明的诊脉仪的控制方法包括以下步骤：
S100、控制气泵组件按照第一设定速度对加压气囊进行充气，同时控制加压气囊按照第二设定速度放气，其中，第一设定速度大于第二设定速度；S200、控制压力传感器采集脉象信息；S300、控制加压气囊分阶段进行放气。
具体而言，控制器6控制充气气泵51开启，同时控制充气气泵51与进气口217之间管路中的调节阀7调节其开度至第一开度，如100％，控制三通阀使与之连接的调节阀7与加压气囊12连通，并控制连接至三通阀的调节阀7调节其开度至第二开度，如20％。在此过程中，气压传感器4实时检测加压气囊21中的气压，当气压达到设定压力时，控制器6控制两个调节阀7使其开度调节至0，从而使加压气囊21保持当前气压。随后控制器6控制压力传感器12采集脉象信息。在采集完脉象信息之后，控制器6控制加压气囊21分阶段排气。具体地，控制连接至三通阀的调节阀7调节其开度至60％，放气如2s后再控制该调节阀7关闭使加压气囊保持2s，随后再控制该调节阀7打开至60％开度放气2s，再控制该调节阀7关闭使加压气囊保持2s，如此循环直至加压气囊21内的气体完全排出。
也就是说，在充气过程中，一边充气一边放气，充气速度大于放气速度，从而使加压气囊21的有效充气量变化比较平缓，避免了加压气囊21内的加压速度过快导致手腕受到的压力变化过大的情况，提高了手腕的舒适性。此外，充气气泵51对加压气囊21进行充气的过程中，其负荷变化平缓，延长了充气气泵51的使用寿命，在一定程度上降低了使用成本。在排气过程中通过分阶段排气能够使手腕受到的压力变化较平缓，避免了手腕受到的压力减小过快产生不适，提高了排气过程中手腕的舒适性。通过分阶段的方式进行放气，能够在放气过程中避免手腕受压的压力变化过快而引起手腕不舒适。
本领域技术人员可以理解的是，充气过程中，第一开度为100％，第二开度为20％仅是一种具体的实施方式，本领域技术人员可以根据需要对其进行调整，如第一开度为90％、80％、85％等，第二开度为30％、25％、18％等，只要第一开度大于第二开度即可。另外，分阶段放气以“放气2s-保压2s-放气2s”的方式循环仅是一种示例性的描述，本领域技术人员可以根据需要对其进行调整，如可以按照“放气0.5s-保压0.5s-放气0.5s”的循环方式、“放气0.5s-保压0.3s-放气0.3s”或者其他时间间隔的循环方式进行放气。
在一种可替换的充气方式中，可以对加压气囊21分阶段充气。也就是，按照设定的充气速度进行充气第一时长后保压第二时长，再按照设定的充气速度进行充气第一时长后保压第二时长，如此循环直至加压气囊21中的气压达到设定值。其中，第一时长可以相同也可以不同。如可以按照“充气0.5s-保压0.5s-充气0.5s”的循环方式、“充气0.8s-保压0.2s-充气0.8s”的循环方式等分阶段对加压气囊21进行充气。这样，能够使桡动脉32跳动时避开加压气囊21的充气过程，提高了手腕的舒适性。
在另一种可替换的充气方式中，在对加压气囊21充气的过程中，可以使充气速度随时间逐渐减小，从而使加压气囊21的气压接近设定值时以较小的充气速度进行充气，使气压变化更加平缓，进一步提高舒适性。如在加压气囊21接触手腕之前，充气过程中充气速度由大逐渐减小，当加压气囊21接触手腕时充气速度继续减小。通过这样的设置，在加压气囊21接触手腕表面之前快速充气，在加压气囊21接触手腕表面之后慢速充气，提高了充气过程中手腕的舒适性，并且避免了充气时间过长。本领域技术人员可以理解的是，充气速度可以分阶段逐级减小。
在一种可替换的放气方式中，在对加压气囊21放气的过程中，可以使放气速度随时间逐渐增大，从而使加压气囊21的气压在接近设定值时以较小的放气速度进行放气，使气压变化更加平缓，进一步提高手腕的舒适性。本领域技术人员可以理解的是，放气速度可以分阶段逐级增大。
至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然 不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征作出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。

Claims (16)

  1. 一种诊脉仪，其特征在于，所述诊脉仪包括本体、设置于所述本体上的加压机构、与所述加压机构连接的多个压力传感器以及与所述加压机构和所述压力传感器通信连接的控制器，所述加压机构包括加压气囊以及与所述加压气囊连接的气泵组件，
    其中，所述加压气囊在充气后能够使所述多个压力传感器以大致相同的设定压力抵靠至手腕的表面。
  2. 根据权利要求1所述的诊脉仪，其特征在于，所述加压气囊包括多个子气囊，所述多个子气囊在一个层面上铺设以便在充气后将所述多个压力传感器以设定的压力抵靠至手腕的表面。
  3. 根据权利要求2所述的诊脉仪，其特征在于，所述多个子气囊相互连通，并且/或者所述多个子气囊以阵列方式设置在一个层面上。
  4. 根据权利要求3所述的诊脉仪，其特征在于，所述多个子气囊以阵列方式设置在一个环形面上。
  5. 根据权利要求1所述的诊脉仪，其特征在于，所述加压气囊包括弹性的基体以及形成于所述基体内相互连通的多个气腔，以便在充气后将所述多个压力传感器以大致相同的设定压力抵靠至手腕的表面。
  6. 根据权利要求5所述的诊脉仪，其特征在于，在未充气的情况下所述加压气囊保持初始状态，在初始状态下所述加压气囊的形状与手腕的形状相匹配。
  7. 根据权利要求1所述的诊脉仪，其特征在于，所述加压气囊包括相对的两个受压侧壁以及与两个所述受压侧壁连接的连接侧壁，所述受压侧壁和所述连接侧壁形成容纳气体的腔体，
    其中，所述受压侧壁的刚度大于所述连接侧壁的刚度；并且/或者
    所述受压侧壁的厚度大于所述连接侧壁的厚度。
  8. 根据权利要求7至所述的诊脉仪，其特征在于，所述连接侧壁包括多个子侧壁，所述多个子侧壁彼此连接形成折叠结构，所述折叠结构分别与两个所述受压侧壁连接。
  9. 根据权利要求1至8中任一项所述的诊脉仪，其特征在于，所述气泵组件包括用于抽出所述加压气囊中的气体的气泵。
  10. 根据权利要求9所述的诊脉仪，其特征在于，所述气泵组件与所述加压气囊之间设置有调节阀，所述调节阀能够调节进出所述加压气囊的气体的流速。
  11. 一种诊脉仪的控制方法，所述诊脉仪包括本体、设置于所述本体上的加压机构、与所述加压机构连接的多个压力传感器以及与所述加压机构和所述压力传感器通信连接的控制器，所述加压机构包括加压气囊以及与所述加压气囊连接的气泵组件，
    其特征在于，所述控制方法包括以下步骤：
    控制所述气泵组件对所述加压气囊进行充气；
    控制所述压力传感器采集脉象信息；
    控制所述加压气囊进行放气；
    其中，充气按照第一设定方式进行，放气按照第二设定方式进行。
  12. 根据权利要求11所述的控制方法，其特征在于，“充气按照第一设定方式进行”的步骤具体包括：
    控制所述气泵组件分阶段对所述加压气囊进行充气。
  13. 根据权利要求11所述的控制方法，其特征在于，“充气按照第一设定方式进行”的步骤具体包括：
    控制所述气泵组件按照充气速度逐渐或逐级减小的方式对所述加压气囊进行充气。
  14. 根据权利要求11所述的控制方法，其特征在于，“充气按照第一设定方式进行”的步骤具体包括：
    控制所述气泵组件按照第一设定速度对所述加压气囊进行充气，同时控制所述加压气囊按照第二设定速度放气；
    其中，所述第一设定速度大于所述第二设定速度。
  15. 根据权利要求11所述的控制方法，其特征在于，“放气按照第二设定方式进行”的步骤具体包括：
    控制所述加压气囊分阶段进行放气。
  16. 根据权利要求11所述的控制方法，其特征在于，“放气按照第二设定方式进行”的步骤具体包括：
    控制所述加压气囊按照放气速度逐渐或逐级增大的方式进行放气。
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