WO2020132901A1 - 一种血压脉象检测装置及血压脉象检测系统 - Google Patents

一种血压脉象检测装置及血压脉象检测系统 Download PDF

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Publication number
WO2020132901A1
WO2020132901A1 PCT/CN2018/123627 CN2018123627W WO2020132901A1 WO 2020132901 A1 WO2020132901 A1 WO 2020132901A1 CN 2018123627 W CN2018123627 W CN 2018123627W WO 2020132901 A1 WO2020132901 A1 WO 2020132901A1
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WO
WIPO (PCT)
Prior art keywords
blood pressure
pulse detection
pressure
detection device
controller
Prior art date
Application number
PCT/CN2018/123627
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English (en)
French (fr)
Inventor
李铁才
罗宇
Original Assignee
深圳市大富网络技术有限公司
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.)
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Application filed by 深圳市大富网络技术有限公司 filed Critical 深圳市大富网络技术有限公司
Priority to CN201880041261.4A priority Critical patent/CN111615356B/zh
Priority to PCT/CN2018/123627 priority patent/WO2020132901A1/zh
Publication of WO2020132901A1 publication Critical patent/WO2020132901A1/zh

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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 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

Definitions

  • the present application relates to the technical field of blood pressure and pulse detection, and relates to a blood pressure and pulse detection device and a blood pressure and pulse detection system.
  • Blood pressure is an important parameter used to reflect the physiological health of the human body. Especially for patients with cardiovascular diseases, regular blood pressure measurement plays a very important role in the warning, management and treatment of the disease. As the number of people with high blood pressure continues to increase, the market for home sphygmomanometers is also expanding.
  • the blood pressure monitor of the prior art is provided with a power supply internally. Because the power supply takes up the volume and weight of the blood pressure monitor, the existing blood pressure monitor cannot be miniaturized, is not convenient to carry, and is difficult to meet the user's needs for measurement at any time.
  • the present application provides a blood pressure and pulse detection device and a blood pressure and pulse detection system.
  • an embodiment of the present application provides a blood pressure and pulse detection device, which includes:
  • Cuffs including:
  • a gas channel and an airbag the gas channel is connected to the airway interface of the airbag
  • Host including at least:
  • An interface to establish a connection with a terminal, and the terminal provides a first voltage to the blood pressure and pulse detection device through the interface;
  • a converter connected to the interface, is used to convert the first voltage to a second voltage
  • the controller and the pressure sensor are connected to the converter and receive the second voltage, and the air pump and the vent valve are coupled to the interface and receive the first voltage;
  • the cuff When the blood pressure and pulse detection device performs blood pressure and pulse detection, the cuff is in contact with a human artery, and the host is used to detect blood pressure and pulse detection data of the human artery.
  • the present invention also provides a blood pressure and pulse detection system
  • the blood pressure and pulse detection system includes at least a blood pressure and pulse detection device and a terminal, the terminal and the blood pressure and pulse detection device establish a connection, the blood pressure and pulse detection The device is the blood pressure and pulse detection device described above.
  • the blood pressure and pulse detection device of the present application includes a host and a cuff.
  • the host includes an interface, and the interface establishes a connection with the terminal.
  • the terminal provides a first voltage to the blood pressure and pulse detection device through the interface, that is, the terminal provides the blood pressure and pulse through the interface.
  • the detection device is powered, and the blood pressure and pulse detection device does not need to be provided with a built-in power supply, which reduces the volume and weight of the blood pressure and pulse detection device, realizes miniaturization, is convenient to carry, and can meet the needs of users at any time.
  • the converter is connected to the interface for The first voltage is converted to a second voltage.
  • the controller and the pressure sensor are connected to the converter to receive the second voltage.
  • the air pump and the vent valve are coupled to the interface. The first voltage is received. Components that can meet different operating voltages can improve blood pressure and pulse detection The stability of the device.
  • FIG. 1 is a schematic diagram of connection between a blood pressure and pulse detection device and a terminal according to the first embodiment of the present application;
  • FIG. 2 is a schematic structural diagram of the blood pressure and pulse detection device and terminal in FIG. 1;
  • FIG. 3 is a schematic structural diagram of a blood pressure and pulse detection device according to a second embodiment of the present application.
  • FIG. 4 is a schematic diagram of connection of a blood pressure and pulse detection device, a terminal, and a server according to a third embodiment of the present application.
  • FIG. 1 is a schematic diagram of the connection between the blood pressure and pulse detection device and the terminal of the first embodiment of the present application
  • FIG. 2 is a schematic diagram of the structure of the blood pressure and pulse detection device and the terminal in FIG. 1.
  • the blood pressure and pulse detection device 10 of the present application includes a host 11 and a cuff 12, wherein the host 11 is provided with an interface 110, which is used to establish a connection with the terminal 20, and the terminal 20 may include a mobile phone, a tablet computer, a notebook computer, a palmtop computer, for example , Personal digital assistants and wearable devices, etc.
  • the terminal 20 is used to provide the first voltage to the blood pressure and pulse detection device 10, that is, the terminal 20 provides the first voltage to the host 11 of the blood pressure and pulse detection device 10 through the interface 110.
  • the interface 110 may be a USB interface, and the interface 110 may be connected to the terminal 20 through the data line 21, that is, the terminal 20 supplies the first voltage V1 to the blood pressure and pulse detection device 10 through the data line 21.
  • the terminal 20 has a USB OTG (USB On-The-Go) function
  • the data line 21 can be an OTG data line.
  • the terminal 20 When the terminal 20 is connected to the blood pressure and pulse detection device 10 through the data line 21, the terminal 20 can generate a detection command and send the detection command to the blood pressure and pulse detection device 10 through the data line 21, so that the blood pressure and pulse detection device 10 detects according to the detection command Blood pressure and pulse detection data.
  • the terminal 20 may be installed with an application program (app) associated with the blood pressure and pulse detection device 10, and the terminal 20 may generate a detection instruction when the application program is opened.
  • the cuff 12 can be worn on the arm of the human body and contact with the arteries of the human body.
  • the host 11 detects the blood pressure and pulse detection data of the arteries of the human body through the cuff 12.
  • the host 11 detects the blood pressure and pulse detection data of the human artery through the cuff 12 according to the detection instruction, and sends the blood pressure and pulse detection data to the terminal 20 through the interface 110.
  • the blood pressure and pulse detection device 10 of the present application includes a host 11 and a cuff 12, wherein the host 11 is provided with an interface 110, and the terminal 20 supplies power to the blood pressure and pulse detection device 10 through the interface 110. Therefore, the blood pressure and pulse detection device 10 does not need to be provided with a built-in power supply.
  • the volume and weight of the blood pressure and pulse detection device 10 are miniaturized, convenient to carry, and can meet the needs of users for measurement at any time.
  • the host 11 detects the blood pressure and pulse detection data of the human artery through the cuff 12 and sends the blood pressure and pulse detection data to the terminal 20 through the interface, that is, the blood pressure and pulse detection device 10 can perform data communication with the terminal 20 through the interface 110 to realize the networking function To improve user experience.
  • the present application further provides the blood pressure and pulse detection device of the second embodiment, which is described on the basis of the blood pressure and pulse detection device 10 disclosed in the first embodiment.
  • the cuff 12 may include a gas channel 121 and an airbag bag 122.
  • the gas channel 121 is connected to the airway interface of the airbag bag 122.
  • the airbag bag 122 is used to contain gas, such as air.
  • the gas channel 121 may be a soft rubber tube; in other embodiments, the gas channel 121 may be a pipe of other materials.
  • the host 11 may include a controller 111, a pressure sensor 112, an air pump 113, a bleed valve 114, an air pump drive circuit 115, a bleed valve drive circuit 116, a digital-to-analog conversion circuit 117, and a converter 118; a pressure sensor 112, an air pump 113, and a bleed valve 114 They are respectively coupled to a controller 111.
  • the controller 111 is used to control the air pump 113 to inflate the airbag bag 122, the deflation valve 114 to deflate the airbag bag 122, and the pressure sensor 112 to detect the pressure of the gas in the gas passage 121.
  • the gas channel 121 may extend to the host 11, and the gas channel 121 may be connected to the pressure sensor 112, the air pump 113, and the bleed valve 114, respectively.
  • the air pump driving circuit 115 is connected between the air pump 113 and the controller 111 for driving the air pump 113, that is, the controller 111 drives the air pump 113 through the air pump driving circuit 115 to fill the airbag bag 122 with gas.
  • the vent valve drive circuit 116 is connected between the vent valve 114 and the controller 111 for driving the vent valve 114, that is, the controller 111 drives the vent valve 114 through the vent valve drive circuit 116 to deflate the airbag bag 122 gas.
  • the cuff 12 and the host 11 can be detachably connected, that is, the host 11 is provided with a cuff interface, the gas channel 121 of the cuff 12 is detachably connected to the cuff interface, and the gas channel 121 is respectively connected to the pressure sensor 112 through the cuff interface ,
  • the air pump 113 and the air release valve 114 are connected.
  • the digital-to-analog conversion circuit 117 is connected between the pressure sensor 112 and the controller 111; when the pressure sensor 112 detects the pressure of the gas in the gas channel 121, the pressure sensor 112 is used to convert the pressure of the gas into an analog signal and convert the analog signal It is transmitted to the digital-analog conversion circuit 117; the digital-analog conversion circuit 117 converts the analog signal into a digital signal and sends the digital signal to the controller 111.
  • the air pump 113 and the bleed valve 114 are coupled to the interface 110, wherein the interface 110 may include a power terminal, and the power terminal of the interface 110 is respectively connected to the air pump drive circuit 115 and the bleed valve drive circuit 116 for driving the air pump drive circuit 115 and the bleed valve
  • the circuit 116 provides the first voltage V1, that is, the air pump drive circuit 115 and the bleed valve drive circuit 116 receive the first voltage V1 from the interface 110.
  • the input terminal of the converter 118 is connected to the power supply terminal of the interface 110 for receiving the first voltage V1.
  • the converter 118 converts the first voltage V1 into a second voltage V2.
  • the output end of the converter 118 is connected to the controller 111, the pressure sensor 112 and the digital-to-analog conversion circuit 117, respectively, and is used to provide the second voltage V2 to the controller 111, the pressure sensor 112 and the digital-to-analog conversion circuit 117, namely the controller 111,
  • the pressure sensor 112 and the digital-to-analog conversion circuit 117 receive the second voltage V2 from the converter 118.
  • the second voltage V2 may be smaller than the first voltage V1, for example, the voltage value of the first voltage V1 may be 5V, and the voltage value of the second voltage V2 may be 3.3V.
  • the converter 118 may be a DC-DC converter.
  • the interface 110 further includes a data transmission terminal connected to the I2C interface of the controller 111.
  • the terminal 20 sends a detection instruction to the controller 111 through the data transmission terminal.
  • the blood pressure and pulse detection device 10 detects the blood pressure and pulse detection data according to the detection instruction.
  • the compression phase and the decompression phase of the blood pressure and pulse detection device 10 will be described in detail below:
  • the pressurization phase of the blood pressure and pulse detection device 10 includes: the controller 111 controls the operation of the air pump 113 through the air pump drive circuit 115 when receiving the detection instruction, and the vent valve 114 is closed. At this time, the air pump 113 inflates the airbag bag 122 through the air passage 121.
  • the pressure sensor 112 is used to collect the pressure of the gas in the gas channel 121 and send the pressure of the gas to the controller 111.
  • the controller 111 determines that the pressure of the gas exceeds a preset value, the controller 111 controls the air pump through the air pump drive circuit 115 113 stopped working.
  • the decompression phase of the blood pressure and pulse detection device 10 includes: the controller 111 drives the vent valve 114 to work through the vent valve drive circuit 116, and the air pump 113 stops working at this time to control the gas in the airbag bag 122 to release through the gas passage 121 at a constant rate .
  • the blood pressure and pulse detection device of the present application is provided with a converter 118 for converting a first voltage V1 into a second voltage V2, and the converter 118 is used to provide a second voltage to the controller 111, the pressure sensor 112 and the digital-to-analog conversion circuit 117 V2, the terminal 20 is used to provide the first voltage V1 to the air pump drive circuit 115 and the vent valve drive circuit 116, so the blood pressure and pulse detection device can meet the components of different operating voltages, avoiding the single power supply in the prior art, and improving the blood pressure and pulse detection device stability.
  • the present application further provides the blood pressure and pulse detection device of the third embodiment, which is described on the basis of the blood pressure and pulse detection device disclosed in the second embodiment.
  • the above blood pressure and pulse detection data may include a pulse wave, which is generated by the movement of the heart and pushes the blood to run along the tube, which is a periodic pressure wave.
  • the pulse wave of the human body contains rich physiological information, such as blood pressure, heart rate and cardiovascular information. Through the analysis of the pulse waveform, cardiovascular health information can be obtained to reduce the occurrence of cardiovascular diseases.
  • the controller 111 controls the air pump 113 to inflate the air bag 113 through the air pump drive circuit 115, and the vent valve 114 closes; the controller 111 monitors the gas in the gas channel 121 in real time through the pressure sensor 112 pressure.
  • the controller 111 determines that the pressure of the gas is the preset first pressure threshold, that is, the blood pressure pulse detection device 10 pressurizes to the high pressure value of the human blood pressure, the controller 111 controls the air pump 113 to stop working, that is, the air pump 113 stops the air bag 122 is inflated.
  • the controller 112 detects multiple pulse waves through the pressure sensor 112, for example, the controller 112 collects 5 through the pressure sensor 112. -15 pulse waves, and send the collected pulse waves to the terminal 20 through the interface 110.
  • the terminal 20 further establishes communication with the server 30.
  • the terminal 20 sends multiple pulse waves to the server 30.
  • the server 30 is used to filter the multiple pulse waves to remove interference noise.
  • the server 30 obtains the amplitude of each pulse wave and determines whether the amplitude is within the preset amplitude range; if it is, the server 30 determines that the pulse wave with the amplitude within the preset range is the first pulse wave and filters Pulse waves other than the first pulse wave.
  • the server 30 may obtain the amplitude of the characteristic point of the first pulse wave, and the characteristic point may include a reflected wave point, a peak point, a trough point, or other extreme point or inflection point of the first pulse wave.
  • the server 30 may also acquire the period of each pulse wave, and filter out the pulse waves whose period is not within the preset period to obtain the first pulse wave, that is, the server 30 uses the period as the filtering condition.
  • the amplitude and period of the pulse wave can also be used as the filtering conditions at the same time.
  • the server 30 further matches the filtered pulse wave (that is, the first pulse wave) with the preset waveform to obtain a waveform corresponding to the first pulse wave, where the preset waveform includes at least the Hua mai waveform, the pulse-promoting waveform, and the Xuan mai waveform Or Pingmai waveform.
  • the server 30 obtains the analysis result according to the waveform corresponding to the first pulse wave, and sends the analysis result to the terminal 20 to display the analysis result on the terminal 20. For example, if the server 30 determines that the first pulse wave matches the preset Hua mai waveform, the server 30 determines that the first pulse wave is Hua mai; the server 30 further obtains the analysis result according to the Hua mai, and sends the analysis result to the terminal 20 .
  • server 30 matches the first pulse wave with the preset waveform:
  • the server 30 obtains the first feature information of the first pulse wave and the second feature information of the preset waveform respectively. If the difference between the first feature information and the second feature information is less than the preset difference, the server 30 30. Determine that the first pulse wave matches the preset waveform.
  • the characteristic information may include waveform period and stagnation point (including extreme point and inflection point) information of the first pulse wave. Among them, the waveform stagnation point information includes the number of waveform stagnation points and the time interval between adjacent waveform stagnation points. For example, the waveform period of the pulse-promoting pulse differs greatly from the waveform periods of other pulses.
  • the server 30 determines that the difference between the waveform period of the first pulse wave and the preset pulse waveform is less than the preset difference, the server 30 It can be judged that the first pulse wave is a pulse boost. If the server 30 determines that the difference is greater than the preset difference, the server 30 determines whether the number of waveform extreme points of the first pulse wave is 2, wherein the number of waveform extreme points of the Huamai is 2, and determines the second Whether the position of the waveform stagnation point is lower than that of the first waveform stagnation point; if so, it can be determined that the first pulse wave is a Hua mai.
  • the server 30 determines whether the interval between the first waveform stagnation point and the second waveform stagnation point of the first pulse wave is less than the preset Time, the preset time is the time interval between the stagnation point of the first waveform and the stagnation point of the second waveform; if so, the server 30 determines that the first pulse wave is a sine pulse.
  • the blood pressure and pulse detection device 10 of the present application collects a plurality of pulse waves in the pressurization stage, which can reduce the collection time of the pulse wave and improve the detection efficiency of the blood pressure and pulse detection device 10; further, the blood pressure and pulse detection device 10 is at a pre-pressure
  • the first pressure threshold is set to collect multiple pulse waves, the pressure of the airbag bag 122 of the cuff 12 is stable, the waveform of the pulse wave will not be interfered by the outside world, and the accuracy of pulse wave acquisition is improved; the server 30 is based on the first pulse wave
  • the corresponding waveform obtains the analysis result, so that the non-medical personnel can also understand their own health status through the analysis result, which can improve the user experience.
  • the present application further provides the blood pressure and pulse detection device of the fourth embodiment, wherein the airbag bag 122 may include reserved gas, that is, the airbag bag 122 still retains the reserved gas when the blood pressure and pulse detection device 10 completes the decompression phase.
  • the controller 111 controls the deflation valve 114 to deflate the airbag bag 122
  • the controller 111 monitors the pressure sensor 112 in real time, and when the controller 111 determines that the pressure of the pressure sensor 112 is the second pressure threshold, the controller 111
  • the vent valve 114 is controlled to stop deflation, so that the airbag bag 122 retains the reserved gas.
  • the controller 111 performs pressure detection on the reserved gas through the pressure sensor 112, and determines whether to start blood pressure and pulse detection according to the pressure detection result; if so, the blood pressure and pulse detection device 10 performs blood pressure and pulse detection. Specifically, the controller 111 determines the pressure change range of the gas within a preset time interval according to the pressure detection result. When the controller 111 determines that the pressure change range is greater than the preset change range threshold, the controller 111 starts blood pressure pulse detection, In order to obtain blood pressure and pulse detection data.
  • the controller 111 further obtains the pressure detection result and the pressure change amplitude of the second pressure threshold.
  • the controller 111 determines that the pressure change amplitude is greater than the preset change amplitude threshold, the controller 111 starts blood pressure and pulse detection.
  • the controller 111 determines that the pressure change amplitude is smaller than the preset change amplitude threshold, the controller 111 controls the blood pressure and pulse detection device 10 to enter a sleep state to save power consumption.
  • the airbag bag 122 of the present application includes reserved gas, and the controller 111 performs pressure detection on the reserved gas, and judges whether to start blood pressure and pulse detection according to the pressure detection result, that is, the blood pressure and pulse detection device 10 can automatically start blood pressure and pulse detection. Improve user experience.
  • the present application further provides the blood pressure and pulse detection device of the fifth embodiment.
  • the blood pressure and pulse detection device 10 adopts closed-loop control to adjust the inflation rate of the gas, specifically the controller 111 controls the air pump 113 to the airbag
  • the bag 122 is inflated.
  • the pressure collected by the controller 111 through the pressure sensor 112 is the first pressure
  • the pressure collected by the controller 111 through the pressure sensor 112 the previous time is the second pressure
  • the controller 111 is based on the first pressure and the second pressure
  • the static pressure of the cuff 12 is obtained.
  • the controller 111 further obtains the compression rate of the gas in the airbag bag 122 according to the static pressure, and compares the compression rate with the constant rate; when the controller 111 determines that the compression rate is less than the constant rate, the controller controls the rotation speed of the air pump 113 Increase; when the controller 111 determines that the acceleration rate is greater than the constant rate, the controller 111 controls the rotation speed of the air pump 113 to decrease so that the pressurization rate is a constant rate. Therefore, the controller 111 controls the air pump 113 to inflate the airbag bag 122, and then controls the air pump 113 to inflate at a constant speed through the gas channel 121, so as to ensure the accuracy of the pulse wave obtained by the controller 111.
  • the blood pressure and pulse detection system includes at least a blood pressure and pulse detection device 10 and a terminal 20.
  • the terminal 20 and the blood pressure and pulse detection device 10 establish a connection.
  • the blood pressure and pulse detection device is the above embodiment The disclosed blood pressure and pulse detection device 10 will not be repeated here.
  • the blood pressure and pulse detection device of the present application includes a host and a cuff.
  • the host is provided with an interface to establish a connection with the terminal.
  • the terminal is used to provide a first voltage to the blood pressure and pulse detection device, that is, the terminal provides the blood pressure and pulse detection device through the interface Power supply, blood pressure and pulse detection device does not need to be equipped with a built-in power supply, which reduces the volume and weight of the blood pressure and pulse detection device, realizes miniaturization, is easy to carry, and can meet the needs of users at any time; in addition, the host detects the blood pressure and pulse detection of human arteries through the cuff Data, and send the blood pressure and pulse detection data to the terminal through the interface, that is, the blood pressure and pulse detection device can perform data communication with the terminal through the interface, realize the networking function, and improve the user experience.

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Abstract

本申请公开了一种血压脉象检测装置及血压脉象检测系统，该血压脉象检测装置包括袖带，包括：气体通道和气囊袋，气体通道与气囊袋的气路接口连接；主机，至少包括：接口，与终端建立连接，终端通过接口向血压脉象检测装置提供第一电压；转换器，与接口连接，用于将第一电压转换为第二电压；控制器，与控制器耦接的压力传感器、气泵和泄气阀；控制器和压力传感器与转换器连接，接收第二电压，气泵和泄气阀与接口耦接，接收第一电压。本申请血压脉象检测装置能够满足不同工作电压的元件，提高血压脉象检测装置的稳定性。

Description

一种血压脉象检测装置及血压脉象检测系统
【技术领域】
本申请涉及血压脉象检测的技术领域，涉及一种血压脉象检测装置及血压脉象检测系统。
【背景技术】
血压是用于反映人体生理健康状况的重要参数，尤其对于心血管疾病患者，经常性的血压测量对于疾病的警示、管理与治疗具有十分重要的作用。随着高血压人群数量不断增加，家用血压计市场规模也在不断扩大。
现有技术的血压计内部设置有电源，由于电源会占用血压计的体积和重量，导致现有的血压计无法实现小型化，不方便携带，难以满足用户随时测量的需求。
【发明内容】
为了解决现有技术的血压计存在的上述问题，本申请提供一种血压脉象检测装置及血压脉象检测系统。
为解决上述问题，本申请实施例提供了一种血压脉象检测装置，其包括：
袖带，包括：
气体通道和气囊袋，所述气体通道与所述气囊袋的气路接口连接；
主机，至少包括：
接口，与终端建立连接，所述终端通过所述接口向所述血压脉象检测装置提供第一电压；
转换器，与所述接口连接，用于将所述第一电压转换为第二电压；
控制器，与所述控制器耦接的压力传感器、气泵和泄气阀，所述压力传感器、所述气泵和所述泄气阀均与所述气体通道连接，所述控制器用于控制所述气泵对所述气囊袋进行充气，控制所述泄气阀对所述气囊袋进行放气，控制所述压力传感器对所述气体通道中气体的压力进行检测；
所述控制器和所述压力传感器与所述转换器连接，接收所述第二电压，所述气泵和所述泄气阀与所述接口耦接，接收所述第一电压；
在所述血压脉象检测装置进行血压脉象检测时，所述袖带与人体动脉接触，所述主机用于检测人体动脉的血压脉象检测数据。
为解决上述技术问题，本发还提供一种血压脉象检测系统，所述血压脉象检测系统至少包括血压脉象检测装置和终端，所述终端和所述血压脉象检测装置建立连接，所述血压脉象检测装置为上述的血压脉象检测装置。
与现有技术相比，本申请的血压脉象检测装置包括主机和袖带，主机包括接口，接口与终端建立连接，终端通过接口向血压脉象检测装置提供第一电压，即终端通过接口给血压脉象检测装置供电，血压脉象检测装置无需设置内置电源，减小血压脉象检测装置的体积和重量，实现小型化，方便携带，能够满足用户随时测量的需求；此外，转换器与接口连接，用于将第一电压转换为第二电压，控制器和压力传感器与转换器连接，接收第二电压，气泵和泄气阀与接口耦接，接收第一电压，能够满足不同工作电压的元件，提高血压脉象检测装置的稳定性。
【附图说明】
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请第一实施例的血压脉象检测装置和终端的连接示意图；
图2是图1中血压脉象检测装置和终端的结构示意图；
图3是本申请第二实施例的血压脉象检测装置的结构示意图；
图4是本申请第三实施例的血压脉象检测装置、终端和服务器的连接示意图。
【具体实施方式】
下面结合附图和实施例，对本申请作进一步的详细描述。特别指出的是，以下实施例仅用于说明本申请，但不对本申请的范围进行限定。同样的，以下实施例仅为本申请的部分实施例而非全部实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”“第四”等（如果存在）是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例，例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
请参见图1-2所示，图1是本申请第一实施例的血压脉象检测装置和终端的连接示意图；图2是图1中血压脉象检测装置和终端的结构示意图。本申请的血压脉象检测装置10包括主机11和袖带12，其中主机11设置有一接口110，该接口110用于与终端20建立连接，终端20可以包括诸如手机、平板电脑、笔记本电脑、掌上电脑、个人数字助理及可穿戴设备等。
具体地，终端20用于向血压脉象检测装置10提供第一电压，即终端20通过接口110向血压脉象检测装置10的主机11提供第一电压。接口110可以为USB接口，接口110可以通过数据线21与终端20连接，即终端20通过数据线21向血压脉象检测装置10提供第一电压V1。其中，终端20具有USB OTG（USB On-The-Go）功能，该数据线21可为OTG数据线。在终端20通过数据线21与血压脉象检测装置10连接时，终端20作为主设备，血压脉象检测装置10为从设备。
在终端20通过数据线21与血压脉象检测装置10连接时，终端20可以产生检测指令，并通过数据线21将检测指令发送给血压脉象检测装置10，以使血压脉象检测装置10根据检测指令检测血压脉象检测数据。例如，终端20可以安装有与血压脉象检测装置10关联的应用程序（app），终端20可以在开启该应用程序时产生检测指令。
袖带12可以穿戴在人体的手臂上，与人体动脉接触，主机11通过袖带12检测人体动脉的血压脉象检测数据。在血压脉象检测装置10接收到检测指令时，主机11根据检测指令通过袖带12检测人体动脉的血压脉象检测数据，并通过接口110将血压脉象检测数据发送给终端20。
本申请的血压脉象检测装置10包括主机11和袖带12，其中主机11设置有一接口110，终端20通过接口110向血压脉象检测装置10供电，因此血压脉象检测装置10无需设置内置电源，减小血压脉象检测装置10的体积和重量，实现小型化，方便携带，能够满足用户随时测量的需求。此外，主机11通过袖带12检测人体动脉的血压脉象检测数据，并通过接口将血压脉象检测数据发送给终端20，即血压脉象检测装置10可以通过接口110与终端20进行数据通信，实现联网功能，提高用户的使用体验。
本申请进一步提供第二实施例的血压脉象检测装置，其在第一实施例所揭示的血压脉象检测装置10的基础上进行描述。如图3所示，袖带12可以包括气体通道121和气囊袋122，气体通道121和气囊袋122的气路接口连接，气囊袋122用于容纳气体，例如空气。其中，气体通道121可以为软胶管；在其他实施例中，气体通道121可以为其他材质管道。
主机11可以包括控制器111、压力传感器112、气泵113、泄气阀114、气泵驱动电路115、泄气阀驱动电路116、数模转换电路117以及转换器118；压力传感器112、气泵113和泄气阀114分别与控制器111耦接，控制器111用于控制气泵113对气囊袋122进行充气，控制泄气阀114对气囊袋122进行放气，控制压力传感器112对气体通道121中气体的压力进行检测。
气体通道121可以延伸到主机11，气体通道121可以分别与压力传感器112、气泵113和泄气阀114连接。气泵驱动电路115连接在气泵113和控制器111之间，用于驱动气泵113，即控制器111通过气泵驱动电路115驱动气泵113，以将气体充入气囊袋122。泄气阀驱动电路116连接在泄气阀114和控制器111之间，用于驱动泄气阀114，即控制器111通过泄气阀驱动电路116驱动泄气阀114，以将气囊袋122的气体进行放气。
其中，袖带12和主机11可以为可拆卸连接，即主机11设置有袖带接口，袖带12的气体通道121与袖带接口可拆卸连接，气体通道121通过袖带接口分别与压力传感器112、气泵113和泄气阀114连接。
数模转换电路117连接在压力传感器112和控制器111之间；在压力传感器112检测到气体通道121中气体的压力时，压力传感器112用于将气体的压力转化为模拟信号，并将模拟信号传输至数模转换电路117；数模转换电路117将模拟信号转化为数字信号，并将数字信号发送给控制器111。
气泵113和泄气阀114与接口110耦接，其中接口110可以包括电源端，接口110的电源端分别与气泵驱动电路115和泄气阀驱动电路116连接，用于向气泵驱动电路115和泄气阀驱动电路116提供第一电压V1，即气泵驱动电路115和泄气阀驱动电路116从接口110接收到第一电压V1。
转换器118的输入端与接口110的电源端连接，用于接收第一电压V1，转换器118将第一电压V1转换为第二电压V2。转换器118的输出端分别与控制器111、压力传感器112和数模转换电路117连接，用于向控制器111、压力传感器112和数模转换电路117提供第二电压V2，即控制器111、压力传感器112和数模转换电路117从转换器118接收到第二电压V2。第二电压V2可以小于第一电压V1，例如第一电压V1的电压值可为5V，第二电压V2的电压值可为3.3V。其中，转换器118可以为DC-DC转换器。
接口110进一步包括数据传输端，该数据传输端与控制器111的I2C接口连接，终端20通过数据传输端向控制器111发送检测指令，血压脉象检测装置10根据检测指令检测血压脉象检测数据。以下详细说明血压脉象检测装置10的加压阶段和减压阶段：
血压脉象检测装置10的加压阶段包括：控制器111在接收到检测指令时通过气泵驱动电路115控制气泵113工作，泄气阀114关闭，此时气泵113通过气体通道121对气囊袋122进行充气，压力传感器112用于采集气体通道121的气体的压力，并将气体的压力发送给控制器111，在控制器111判断到气体的压力超过预设值时，控制器111通过气泵驱动电路115控制气泵113停止工作。
血压脉象检测装置10的减压阶段包括：控制器111通过泄气阀驱动电路116驱动泄气阀114工作，此时气泵113停止工作，以控制气囊袋122内的气体经过气体通道121以恒定速率进行释放。
本申请的血压脉象检测装置设置有转换器118，用于将第一电压V1转换为第二电压V2，转换器118用于向控制器111、压力传感器112和数模转换电路117提供第二电压V2，终端20用于向气泵驱动电路115和泄气阀驱动电路116提供第一电压V1，因此血压脉象检测装置能够满足不同工作电压的元件，避免现有技术的单一供电，提高血压脉象检测装置的稳定性。
本申请进一步提供第三实施例的血压脉象检测装置，其在第二实施例所揭示的血压脉象检测装置的基础上进行描述。上述血压脉象检测数据可以包括脉搏波，脉搏波是由心脏的动推血液沿管运行而产生的，它是一种周期性压力波。人体的脉搏波蕴含着丰富的生理信息，如血压、心率及心血管信息等。通过对脉搏波形的分析，能够获取心血管健康信息，以减少心血管疾病的发生。
在血压脉象检测装置10的加压阶段时，控制器111通过气泵驱动电路115控制气泵113对气囊袋122进行充气，泄气阀114关闭；控制器111通过压力传感器112实时监测气体通道121中气体的压力。在控制器111判断到气体的压力为预设的第一压力阈值，即血压脉象检测装置10加压到人体血压的高压值时，控制器111控制气泵113停止工作，即气泵113停止对气囊袋122进行充气。此时袖带12的气囊袋122的压力处于平稳状态，脉搏波的波形不会受到外界干扰，因此控制器112通过压力传感器112检测到多个脉搏波，例如控制器112通过压力传感器112采集5-15个脉搏波，并通过接口110将采集到的脉搏波发送给终端20。
如图4所示，终端20进一步与服务器30建立通信，终端20将多个脉搏波发送给服务器30，服务器30用于对多个脉搏波进行滤波，以剔除干扰噪声。其中，服务器30获取每个脉搏波的幅值，并判断幅值是否在预设幅值范围内；若是，则服务器30判断幅值在预设范围内的脉搏波为第一脉搏波，并滤除除第一脉搏波之外的脉搏波。其中，服务器30可以获取第一脉搏波的特征点的幅值，该特征点可以包括第一脉搏波的反射波点、波峰点、波谷点或者其它极值点或拐点等。
在其他实施例中，服务器30还可以获取每个脉搏波的周期，并将周期不在预设周期内的脉搏波滤除，以得到第一脉搏波，即服务器30以周期作为滤波条件。当然，在其它实施例中，还可以将脉搏波的幅值及周期同时作为滤波条件。
服务器30进一步将滤波后的脉搏波（即第一脉搏波）与预设波形进行匹配，获取与第一脉搏波对应的波形，其中预设波形至少包括滑脉波形、促脉波形、弦脉波形或平脉波形等。服务器30根据与第一脉搏波对应的波形得到分析结果，并将分析结果发送给终端20，以在终端20上显示分析结果。例如，服务器30判断到第一脉搏波与预设的滑脉波形匹配，则服务器30判断该第一脉搏波为滑脉；服务器30进一步根据滑脉得到分析结果，并将分析结果发送给终端20。
以下详细描述服务器30将第一脉搏波与预设波形进行匹配：
具体地，服务器30分别获取第一脉博波的第一特征信息及预设波形的第二特征信息，若第一特征信息与第二特征信息之间的差值小于预设差值，则服务器30判断第一脉博波与预设波形匹配。该特征信息可以包括第一脉博波的波形周期及波形驻点（包括极值点及拐点）信息。其中，波形驻点信息包括波形驻点的数量及相邻波形驻点之间的时间间隔等信息。例如，促脉的波形周期与其它脉象的波形周期相差较大，若服务器30判断第一脉博波的波形周期与预设的促脉波形的波形周期的差值小于预设差值，则服务器30可以判断第一脉博波为促脉。若服务器30判断该差值大于预设差值，则服务器30判断第一脉博波的波形极值点的数量是否为2，其中滑脉的波形极值点的数量为2，且判断第二波形驻点的位置是否比第一波形驻点位置低；若是，则可以判断第一脉博波为滑脉。若服务器30判断第一脉博波的波形极值点的数量为3，则服务器30进一步判断第一脉博波的第一波形驻点与第二波形驻点之间的间隔时间是否小于预设时间，预设时间为弦脉的第一波形驻点与第二波形驻点之间的时间间隔；若是，则服务器30判断第一脉博波为弦脉。
本申请的血压脉象检测装置10在加压阶段采集多个脉搏波，能够减小脉搏波的采集时间，提高血压脉象检测装置10的检测效率；进一步，血压脉象检测装置10在气体的压力为预设的第一压力阈值采集多个脉搏波，袖带12的气囊袋122的压力处于平稳状态，脉搏波的波形不会受到外界干扰，提高脉搏波的采集精度；服务器30根据与第一脉搏波对应的波形得到分析结果，以使得非医护人员也能通过分析结果了解自身的健康状态，能够提高用户体验。
本申请进一步提供第四实施例的血压脉象检测装置，其中气囊袋122可以包括预留的气体，即血压脉象检测装置10在完成减压阶段时气囊袋122仍然保留有预留的气体。具体地，在控制器111控制泄气阀114对气囊袋122进行放气时，控制器111实时监控压力传感器112，在控制器111判断到压力传感器112的压力为第二压力阈值时，控制器111控制泄气阀114停止放气，以使得气囊袋122保留有预留的气体。
控制器111通过压力传感器112对预留的气体进行压力检测，并根据压力检测结果判断是否启动血压脉象检测；若是，则血压脉象检测装置10进行血压脉象检测。具体地，控制器111根据压力检测结果确定在预设时间间隔内的气体的压力变化幅度，在控制器111判断到压力变化幅度大于预设的变化幅度阈值时，控制器111启动血压脉象检测，以得到血压脉象检测数据。
在其他实施例中，控制器111进一步获取压力检测结果与第二压力阈值的压力变化幅度，在控制器111判断到压力变化幅度大于预设的变化幅度阈值时，控制器111启动血压脉象检测。
在控制器111判断到压力变化幅度小于预设的变化幅度阈值时，控制器111控制血压脉象检测装置10进入休眠状态，以节省功耗。
本申请的气囊袋122包括预留的气体，控制器111对预留的气体进行压力检测，并根据压力检测结果判断是否启动血压脉象检测，即血压脉象检测装置10能够实现自动启动血压脉象检测，提高用户的体验效果。
本申请进一步提供第五实施例的血压脉象检测装置，在血压脉象检测装置10的加压阶段时，血压脉象检测装置10采用闭环控制调节气体的充气速度，具体地控制器111控制气泵113对气囊袋122进行充气，控制器111通过压力传感器112采集气体的压力为第一压力，控制器111前一次通过压力传感器112采集到的压力为第二压力；控制器111根据第一压力和第二压力得到袖带12的静压力。
控制器111进一步根据静压力获取气囊袋122中气体的加压速率，并将加压速率与恒定速率进行比较；在控制器111判断到加压速率小于恒定速率时，控制器控制气泵113的转速增大；在控制器111判断到加速度速率大于恒定速率时，则控制器111控制气泵113的转速减小，以使得加压速率为恒定速率。因此，控制器111控制气泵113对气囊袋122进行充气，进而控制气泵113通过气体通道121以恒定速度进行充气，以保证控制器111获得脉搏波的准确性。
本申请进一步血压脉象检测系统，如图2所示，该血压脉象检测系统至少包括血压脉象检测装置10和终端20，终端20和血压脉象检测装置10建立连接，该血压脉象检测装置为上述实施例所揭示的血压脉象检测装置10，在此不再赘述。
综上所述，本申请的血压脉象检测装置包括主机和袖带，主机设置有接口，与终端建立连接，终端用于向血压脉象检测装置提供第一电压，即终端通过接口给血压脉象检测装置供电，血压脉象检测装置无需设置内置电源，减小血压脉象检测装置的体积和重量，实现小型化，方便携带，能够满足用户随时测量的需求；此外，主机通过袖带检测人体动脉的血压脉象检测数据，并通过接口将血压脉象检测数据发送给终端，即血压脉象检测装置可以通过接口与终端进行数据通信，实现联网功能，提高用户的使用体验。
需要说明的是，以上各实施例均属于同一发明构思，各实施例的描述各有侧重，在个别实施例中描述未详尽之处，可参考其他实施例中的描述。
以上对本申请实施例所提供的保护电路和控制系统进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (14)

  1. 一种血压脉象检测装置，其特征在于，所述血压脉象检测装置包括：
    袖带，包括：
    气体通道和气囊袋，所述气体通道与所述气囊袋的气路接口连接；
    主机，至少包括：
    接口，与终端建立连接，所述终端通过所述接口向所述血压脉象检测装置提供第一电压；
    转换器，与所述接口连接，用于将所述第一电压转换为第二电压；
    控制器，与所述控制器耦接的压力传感器、气泵和泄气阀，所述压力传感器、所述气泵和所述泄气阀均与所述气体通道连接，所述控制器用于控制所述气泵对所述气囊袋进行充气，控制所述泄气阀对所述气囊袋进行放气，控制所述压力传感器对所述气体通道中气体的压力进行检测；
    所述控制器和所述压力传感器与所述转换器连接，接收所述第二电压，所述气泵和所述泄气阀与所述接口耦接，接收所述第一电压；
    在所述血压脉象检测装置进行血压脉象检测时，所述袖带与人体动脉接触，所述主机用于检测人体动脉的血压脉象检测数据。
  2. 根据权利要求1所述的血压脉象检测装置，其特征在于，所述主机还包括气泵驱动电路和泄气阀驱动电路，所述气泵驱动电路连接在所述气泵和所述控制器之间，用于驱动所述气泵；所述泄气阀驱动电路连接在所述泄气阀和所述控制器之间，用于驱动所述泄气阀；所述接口包括电源端，所述电源端分别与所述转换器、所述气泵驱动电路和所述泄气阀驱动电路连接。
  3. 根据权利要求1所述的血压脉象检测装置，其特征在于，所述主机进一步包括数模转换电路，所述数模转换电路连接在所述压力传感器和所述控制器之间，所述数模转换电路还与所述转换器连接。
  4. 根据权利要求1所述的血压脉象检测装置，其特征在于，所述接口包括USB接口，所述接口通过数据线与所述终端连接，所述终端通过所述数据线向所述血压脉象检测装置提供所述第一电压，并通过所述数据线向所述血压脉象检测装置发送检测指令，以使所述血压脉象检测装置根据检测指令检测所述血压脉象检测数据；所述控制器通过所述数据线发送所述血压脉象检测数据给所述终端。
  5. 根据权利要求4所述的血压脉象检测装置，其特征在于，所述接口包括数据传输端，与所述控制器的I2C接口连接，所述终端通过所述数据传输端向所述控制器发送所述检测指令，并从所述控制器接收所述血压脉象检测数据。
  6. 根据权利要求4所述的血压脉象检测装置，其特征在于，所述血压脉象检测数据包括所述脉搏波，所述控制器控制所述气泵对所述气囊袋进行充气，在所述压力传感器检测的压力为预设的第一压力阈值时，所述控制器控制所述气泵停止充气，通过所述压力传感器检测到多个的脉搏波，并将多个所述脉搏波发送给终端。
  7. 根据权利要求6所述的血压脉象检测装置，其特征在于，所述终端与服务器建立通信，所述终端将多个所述脉搏波发送给所述服务器，所述服务器用于对多个所述脉搏波进行滤波，将滤波后的脉搏波与预设波形进行匹配，获取与所述脉搏波对应的波形；所述服务器根据所述与所述脉搏波对应的波形得到分析结果，并将所述分析结果发送给所述终端。
  8. 根据权利要求1所述的血压脉象检测装置，其特征在于，所述气囊包括预留的气体，所述控制器通过所述压力传感器对所述保留气体进行压力检测，并根据压力检测结果判断是否启动所述血压脉象检测。
  9. 根据权利要求8所述的血压脉象检测装置，其特征在于，所述控制器控制所述泄气阀对所述气囊袋进行放气，在所述控制器判断到所述压力传感器的压力为预设的第二压力阈值时，所述控制器控制所述泄气阀停止放气，以使所述气囊保留所述预留的气体。
    10 根据权利要求9所述的血压脉象检测装置，其特征在于，所述控制器获取所述压力检测结果与所述第二压力阈值的压力变化幅度，在所述控制器判断到所述压力变化幅度大于预设的变化幅度阈值时，所述控制器启动所述血压脉象检测。
  10. 根据权利要求8所述的血压脉象检测装置，其特征在于，所述控制器根据所述压力检测结果确定在预设时间间隔内的所述气体的压力变化幅度，在所述控制器判断到所述压力变化幅度大于预设的变化幅度阈值时，所述控制器启动所述血压脉象检测。
  11. 根据权利要求10或11任一所述的血压脉象检测装置，其特征在于，在所述控制器判断到所述压力变化幅度小于预设的变化幅度阈值时，所述血压脉象检测装置处于休眠状态。
  12. 根据权利要求1所述的血压脉象检测装置，其特征在于，所述控制器控制所述气泵对所述气囊袋进行充气，所述控制器通过所述压力传感器采集所述气体的压力为第一压力，根据所述第一压力和第二压力得到所述袖带的静压力，所述第二压力为所述控制器前一次通过所述压力传感器采集到的压力。
  13. 根据权利要求13所述的血压脉象检测装置，其特征在于，所述控制器根据所述静压力获取所述气囊袋中气体的加压速率，并将所述加压速率与恒定速率进行比较；
    在所述控制器判断到所述加压速率小于所述恒定速率时，则所述控制器控制所述气泵的转速增大；
    在所述控制器判断到所述加压速率大于所述恒定速率时，则所述控制器控制所述气泵的转速减小。
  14. 一种血压脉象检测系统，其特征在于，所述血压脉象检测系统至少包括血压脉象检测装置和终端，所述终端和所述血压脉象检测装置建立连接，所述血压脉象检测装置为权利要求1-14任意一项所述的血压脉象检测装置。
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