CN104367310A - Wearable heart rate detection device - Google Patents

Wearable heart rate detection device Download PDF

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Publication number
CN104367310A
CN104367310A CN 201310353721 CN201310353721A CN104367310A CN 104367310 A CN104367310 A CN 104367310A CN 201310353721 CN201310353721 CN 201310353721 CN 201310353721 A CN201310353721 A CN 201310353721A CN 104367310 A CN104367310 A CN 104367310A
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heart rate
body
sensor
light
provided
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CN 201310353721
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Chinese (zh)
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曹春
李继锋
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深圳市西微数字技术有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infra-red radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/0059Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence

Abstract

The invention relates to the technical field of medical treatment and discloses a wearable heart rate detection device. The wearable heart rate detection device comprises a body attached to the human body. The body is provided with a fixing device used for fixing the body to the human body. A sensor and source lamps are arranged at a place, attached to the human body, of the body. The sensor is used for receiving light and detecting light intensity changes. The light source lamps are used for emitting detecting light. The body is internally provided with a center module and an output device. The center module is used for converting electric signals received by the sensor into heart rate data. The output device is used for receiving and outputting the heart rate data of the center module. According to the arrangement, the body is wearable, the sensor and the light source lamps at the lower end of the wearable heart rate detection device are closely attached to the skin surface, the light source lamps emit the detecting light, the sensor collects reflecting light, according to intensity rule of the detecting light, the reflecting light is converted into the electric signals and the electric signals are outputted to the center module. Through a processor, the heart rate data is calculated from the changing electric signals by the center module. In this way, the user can detect the heart rate anytime and anywhere in the rapid and convenient manner.

Description

可穿戴式检测心率装置 A heart rate detecting means wearable

技术领域 FIELD

[0001] 本发明涉及医疗的技术领域,尤其涉及穿戴式检测心率装置。 [0001] wearable heart rate detecting apparatus of the present invention relates to the field of medical technology, and particularly to.

背景技术 Background technique

[0002] PPG即光电容积脉搏波描记法(PhotoPlethysmoGraphy),是一种借光电手段在活体组织中检测血液容积变化的无创检测方法。 [0002] PPG i.e., photoplethysmography plethysmography (PhotoPlethysmoGraphy), is a noninvasive method for detecting photoelectric means for detecting a change in the volume of blood in the living tissue by. 当一定波长的光束照射到指端皮肤表面时,光束将通过透射或反射方式传送到光电接收器。 When a certain wavelength beam is irradiated to the finger skin surface, the light beam transmitted to the photo receiver by transmission or reflection mode. 在此过程中由于受到端皮肤肌肉和血液的吸收衰减作用,检测器检测到的光强度将减弱,其中皮肤、肌肉组织等对光的吸收在整个血液循环中是保持恒定不变的。 In this process, due to the end of the skin and muscle of blood absorption attenuation, the detector detects the light intensity will be reduced, wherein the skin, muscle and other tissues throughout the absorption of light in blood circulation is kept constant. 而皮肤内的血液在心脏作用下呈搏动性变化,当心脏收缩时外周血容量最多光吸收量也最大,检测到的光强度最小;而在心脏舒张时,正好相反,检测到的光强度最大。 And the blood in the skin is pulsatile changes in heart function, when the heart contracts up to the light absorption amount in peripheral blood of the maximum capacity, minimum light intensity is detected; in diastole, on the contrary, the maximum intensity of the detected light . 将光接收器接收到的光强度随之呈脉动性变化将此光强度变化信号转换成电信号,便可获得容积脉搏血流的变化。 The light intensity received by the receiver as a consequent change in this pulsatile change in light intensity signal is converted into an electric signal, can be obtained pulsatile flow volume change.

[0003] 现有技术中的PPG主要应用在医用的检测设备中,难点在于获取的PPG信号微弱,人体各部位血管组织不同,获取的信号强弱不同,而且光容易受到运动噪声的干扰,使测量结果误差较大。 [0003] PPG prior art are mainly used in medical testing equipment, the difficulty is to obtain the PPG signal is weak, the different body parts vascular tissue, different signal strength acquired, and the light interference susceptible to motion noise, so that measurement errors. 但患者需要借助大型专业的PPG设备进行检测,才能保证精度。 But patients need the help of large-scale professional PPG equipment for testing, to ensure accuracy. 心率不稳或者其他特殊疾病的用户,在日常生活中,很难利用PPG技术随时监控心率。 Unstable heart disease or other special users, in everyday life, difficult to use PPG technology at any time to monitor heart rate.

发明内容 SUMMARY

[0004] 本发明的目的在于提供可穿戴式检测心率装置,旨在解决现有技术中能较精确检测心率的装置体积较大大,不能随身随时检测的问题。 [0004] The object of the present invention to provide a wearable heart rate detecting means, to solve the problems of the prior art apparatus can more accurately detect heart volume is large, it could not be detected at any time carry.

[0005] 本发明是这样实现的,穿戴式检测心率装置,包括可贴设于人体上的基体,所述基体上设有用于将所述基体固定在人体上的固定装置,所述基体贴于人体处设有用于接收光并检测光强变化的传感器和用于能放出检测光的光源灯,所述基体内部设有用于将所述传感器接收的电信号转变成心率数据的中心模块和用于接收所述中心模块并输出心率数据的输出装置。 [0005], wearable heart rate detecting apparatus of the present invention is achieved, comprising a base body provided in the attached body, provided with fixing means for fixing the base body on the base body on the base to considerate the body is provided with a sensor for receiving light and detecting a change in light intensity of the light source lamp can emit and detect light, the interior of the base body is provided with the sensor for receiving the electrical signals into the center module and the heart rate data for the center module and receiving means output the heart rate data.

[0006] 进一步地,所述光源灯为至少个三个LED灯,环绕所述传感器均匀布置。 [0006] Further, the light source lamp is at least a three LED lights, surrounding the sensor are arranged uniformly.

[0007] 进一步地,其特征在于,各所述LED灯中心与所述传感器中心之间的距离为2mm至7mm之间。 [0007] Further, characterized in that, between 2mm to 7mm distance between the center of the LED lamp with the sensor center.

[0008] 进一步地,所述输出装置为显示屏,所述显示屏设置在所述基体外端。 [0008] Furthermore, the output means is a display screen provided on the outer end of the base.

[0009] 进一步地,所述基体内设有用于计时、显示日期的计时模块,所述计时模块输出信号至所述显示屏。 [0009] Further, the base body is provided for timing, the timing module to display the date, said output timing signal to the display module.

[0010] 进一步地,所述基体内设有用于和其他无线设备交换数据的无线模块。 [0010] Further, the base body is provided with means for wireless and other wireless devices for exchanging data. .

[0011] 进一步地,所述固定装置为可以将所述基体固定在人体手臂上的腕带,所述腕带上设有可调节长短的扣紧结构。 [0011] Further, the fixing means is fixed to the base member may be a wristband on a human arm, a fastening structure is provided with an adjustable length of the strap. .

[0012] 与现有技术相比,本发明中穿戴式检测心率装置,基体可以直接穿戴在身上,下端面的传感器和光源灯紧贴在皮肤上,利用光源照射皮下组织,由于血氧的浓度变化,对光的吸收率不同,传感器根据反射的光强的变化,转变为电信号。 [0012] Compared with the prior art, the present invention wearable heart rate detecting means, the base body may be directly worn on the body, the end surface close to the light source lamp and the sensor on the skin, the subcutaneous tissue is irradiated with a light source, since the concentration of oxygen changes, different light absorption rate sensor according to the variation of intensity of the reflected light, into an electric signal. 中心模块接收传感器的电信号后,根据时间计算出用户的心率,通过输出装置输出心率数据,让客户能实时了解自己的心率情况。 The central module receives the electric signal of the sensor, calculated based on the time the user's heart rate, heart rate data output by the output means, so that customers can know their heart rate in real time situation.

附图说明 BRIEF DESCRIPTION

[0013] 图1为本发明实施例提供的可穿戴式检测心率装置的传感器和光源灯分布示意图; A heart rate detecting wearable device [0013] FIG. 1 embodiment of the present invention to provide a sensor and a light source lamp schematic distribution;

[0014] 图2为本发明实施例提供的可穿戴式检测心率装置的整体示意图。 [0014] Fig 2 a schematic view of the overall wearable heart rate detecting apparatus according to an embodiment of the present invention.

具体实施方式 detailed description

[0015] 为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。 [0015] To make the objectives, technical solutions and advantages of the present invention will become more apparent hereinafter in conjunction with the accompanying drawings and embodiments of the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention.

[0016] 以下结合具体附图对本实施例的实现进行详细的描述。 [0016] The following drawings in conjunction with specific implementations of the present embodiment will be described in detail.

[0017] 如图1所示,本发明提供穿戴式检测心率装置,包括可直接穿戴在人体上的基体1,基体I上设有固定装置,可以将基体I固定在人体上,且固定后基体I紧贴在人体肌肤上。 [0017] As shown in FIG. 1, the present invention provides a wearable detecting heart rate means, including directly worn on the body of the substrate 1, is provided with the base body I fixing means, may be the matrix I is fixed to the body, and the rear mounting base I close in on human skin. 在基体I紧贴人体处设有用于接受光并检测光强变化的传感器11和用于放出检测光的光源灯12,基体I内部设有用于将传感器11接受的电信号转变成心率数据的中心模块。 I close to the base of the body is provided with a sensor for receiving light and detecting the change in light intensity for the light source lamp 11 and the central detecting emitted light 12, inside the base body 11 I is provided with a sensor for receiving the electrical signals into a heart rate data module.

[0018] 用户可以直接将基体I穿戴在身上,传感器11和光源灯12紧贴肌肤,光源灯12释放出检测光,穿透皮肤和各组织,心脏收缩和舒张时皮下血氧浓度呈周期变化,吸收光强不同,回传感器11接收到反射回来的检测光强也呈周期化改变,输出变化的电信号至中心模块,中心模块可以计时,然后根据传感器11的电信号计算出用户当前的心率。 [0018] The user can directly worn on the body base I, the sensor 11 and the light source lamp 12 is close to the skin, the release of the light source lamp 12 detected light to penetrate the skin and various tissues, systolic and diastolic blood oxygen concentration change periodically subcutaneous , absorb different light intensity, back to the sensor 11 receives the detection light reflected intensity cycling also showed changes, change in the output electrical signal to the central module, the module can be clocked center, and then calculate the user's current heart rate from electrical sensor 11 . 由于是穿戴式设备,不需要借助专门的医疗设备,同时紧贴在肌肤上可以随时接收到检测信号,让用户能随身随时的监控自己的心率,尤其适用于一些特殊疾病需要适时监控心率的用户。 Because it is wearable device, without the aid of specialized medical equipment, and can be received at any time to close on the skin detection signal, so that users can carry at any time to monitor their heart rate, especially for some specific diseases require timely monitoring the heart rate of the user .

[0019] 光源灯12为至少三个LED灯121,本实施例中中采用四个LED灯121的设计,环绕传感器11四周均匀布置,各LED灯121中心与传感器11的中心之间的距离为2mm至7mm之间。 [0019] The light source lamp 12 is at least three LED lights 121, used in this embodiment four LED lamp 121 of the design of the present embodiment, the sensor 11 surrounded uniformly arranged, the distance between the centers of the LED light 121 to the center of the sensor 11 between 2mm to 7mm.

[0020] PPG信号是依靠检测光的反射来获取,由于人体各部位血管组织分布的差异性,PPG信号强度也不一样。 [0020] PPG signal relies on reflected detection light to acquire, due to differences in various parts of the human vascular tissue distribution, PPG signal strength is not the same. 即使在同一肌肤处,周围皮下组织不同点获得的信号也有差别。 Even in the same skin, the subcutaneous tissue of different points around the signal obtained there are differences. 同时PPG信号本身非常容易受到运动噪声的影响,尤其是在便携式的设备中,如何有效的提高信噪比,是一个技术难点。 Meanwhile PPG signal itself is very susceptible to motion noise, especially in portable devices, how to effectively improve the signal to noise ratio, it is a technical difficulty.

[0021] 经过长期的研究和实验发现,采取至少三个光源来做检测光源,可以有效提高获取的PPG信号强度。 [0021] After a long study and was found to take at least three light detection light do, can improve the strength of the PPG signal is acquired. 本实施例中采用的方式是四个LED灯121环绕设置,可以大大提高获取的PPG信号强度。 Manner embodiments of the present embodiment is provided around the four LED lamp 121, can greatly improve the PPG signal strength acquired. 而LED灯121和传感器11之间的距离设置,对采集的信号的精确程度也有较大的影响,如果距离过近,或者过远,都使得获取的PPG信号过小,从而影响检测精度;经过多次试验研究后,本实施例中,将每个LED灯121的中心与传感器11的中心之间的距离都保持在2_至7_之间,能保证采样的多样化和光照的强度位于一个合适平衡的范围内。 The LED lamp 121 and the distance provided between the sensor 11, the degree of accuracy of the acquired signals may also have a greater impact, if too close, or too far, so that the obtained PPG signal are too small to affect the detection accuracy; after after several experimental study, in the present embodiment, the distance between the center of each LED lamp 121 and the center of the sensor 11 are held between 2_ to 7_, can ensure the strength and the illumination sampling diverse located within a suitable range of balance.

[0022] 在基体I里还设置了无线模块,可以与其他的无线设备交换数据,例如将心率数据记录输出到医疗设备上,供医生分析,或者从医疗设备上下载处理心率数据的相关软件,来检测用户的安全状况等。 [0022] In the matrix I there is also provided a wireless module that can communicate with other wireless devices to exchange data, such as heart rate data is recorded is output to a medical device for the doctor analysis, or from a medical device to download processing software heart rate data, to detect security status of users and so on.

[0023] 基体I的穿戴方式可以有多种,例如项链式,耳环式,腕带式,足带式等等方式,固定在人体不同的部位,能检测到皮下血管即可。 [0023] base I wearing a variety of ways, e.g. necklace, earrings type, arm-band, a belt like manner the foot is fixed to different parts of the body, the subcutaneous blood vessels can be detected. 本实施例中采用的方式是腕带式,属于手表一类的设计。 In the present embodiment mode it is a wrist-mounted embodiment, belongs to a class of watch design.

[0024] 如图2所示,基体I两侧连接有腕带2,腕带2上设有扣紧结构,可以伸缩腕带2,然后扣紧在人的手臂上。 [0024] As shown, the base 2 is connected with a wrist strap on both sides of I 2, the strap 2 is provided with a fastening structure, retractable wrist strap 2, and fastening on a human arm. 扣紧结构为现有技术,在手表、腰带和腕带等领域,有成熟的多种技术可以实现,例如类似皮带的弹簧卡扣,配合卡齿进行卡紧,或者绳结的方式固定,本实施例中的方式为在腕带2 —部分上打多个通孔21,另一端设置的卡针22,可以插入通孔21内进行固定。 The fastening structure of the prior art, in a watch, belt and wristbands art, there are more sophisticated techniques may be implemented, for example, a spring similar to a belt buckle, the latch for clamping fit, knots or fixed manner, the present a plurality of through holes playing card needle portion 21, the other end 22 arranged to be inserted into the through hole 21 is fixed - in such a manner as Example 2 wristband embodiment.

[0025] 用户将基体I戴在手腕上,可以随时方便检测心率。 [0025] User I base body worn on the wrist, the heart rate can be detected at any time convenient. 在基体I上设置了输出装置,可以将中心模块计算的心率数据输出,让用户可以看到。 Output means provided on the base I, the heart rate data may be output module calculates the center, so that the user can see. 输出装置的设置方式可以有多种,例如设置警戒值,超过警戒值后输出装置开始利用声光报警,或者直接按心率输出成“滴答”生,让用户能听到自己心率。 Arrangement can have a variety of output devices, such as setting the warning value, an output device using a start sound and light alarm, or directly output by heart rate into a "tick" Health, so that the user can hear his own heart rate exceeds the warning value. 本实施例中采用的方式是在基体I外端设置了一块显示屏15,可以将心率直观的显示出来,用户像看表一样,可以随时从手臂上的基体I的显示屏15上看到自己的心率。 Example embodiment of the present embodiment is used in the outer end of the base I provided a display 15, a visual display may be out of heart rate, watch the same as the user can always see themselves from the substrate on the display screen 15 of the arm I heart rate.

[0026] 本实施例中的穿戴式检测心率装置还具有普通手表的功能,在基体内设有计时模块,用于计时、显示日期,输出的数据也显示在显示屏15上。 [0026] In the present embodiment, wearable heart rate detecting means further having the function of an ordinary watch, a timing module is provided within the matrix, for timing, displaying date data, the output is also shown on the display 15. 为用户提供了便利。 It provides users with convenience.

[0027] 本实施例中的穿戴式检测心率装置,其基体I通过腕带2固定在手臂上,基体I下端设置的四个LED灯121和传感器11之间距离能保证多点差异性取样,而且提高了信噪t匕。 [0027] In the present embodiment the wearable device according to the heart rate detection, which matrix I by four LED lamp wrist strap 2 is fixed to the arm, the lower end of the substrate I provided from the multi-point to ensure that the difference between 121 and the sampling sensor 11, but also improve the signal to noise t dagger. 心率数据通过显示屏15显示给用户,用户从显示屏15上还可以直观的看到时间和日期等数据,其功能多样,能随时随地较为精准的检测自己的心率,实时把控健康数据。 Heart rate data display 15 through the display to the user, the user can also intuitively see from the display 15 the time and date data, its versatile, more accurate detection can go his heartbeats, the real-time control of the health data.

[0028] 以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。 [0028] The foregoing is only preferred embodiments of the present invention but are not intended to limit the present invention, any modifications within the spirit and principle of the present invention, equivalent substitutions and improvements should be included in the present within the scope of the invention.

Claims (7)

  1. 1.穿戴式检测心率装置,其特征在于,包括可贴设于人体上的基体,所述基体上设有用于将所述基体固定在人体上的固定装置,所述基体贴于人体处设有用于接受光并检测光强变化的传感器和用于能放出检测光的光源灯,所述基体内部设有用于将所述传感器接受的电信号转变成心率数据的中心模块和用于接收所述中心模块并输出心率数据的输出装置。 1. wearable heart rate detecting means, characterized in that, comprising a body attached to the base provided by the body, provided with fixing means for fixing the base on a human body on the base, the base is provided with at caring for human and a light receiving sensor to detect a change in light intensity of the light source lamp can emit and detect light, the interior of the base body is provided for receiving the center of the sensor received electrical signals into the center module and the heart rate data for module and the heart rate data output means.
  2. 2.如权利要求1所述的穿戴式检测心率装置,其特征在于,所述光源灯为至少个三个LED灯,环绕所述传感器均匀布置。 2. The wearable heart rate detecting apparatus according to claim 1, characterized in that the light source lamp is at least a three LED lights, surrounding the sensor are arranged uniformly.
  3. 3.如权利要求2所述的穿戴式检测心率装置,其特征在于,其特征在于,各所述LED灯中心与所述传感器中心之间的距离为2_至7_之间。 Wearable heart rate detecting apparatus according to claim 2, wherein, wherein, between 2_ 7_ to the distance between the center of the LED lamp with the sensor center.
  4. 4.如权利要求1所述的穿戴式检测心率装置,其特征在于,所述输出装置为显示屏,所述显示屏设置在所述基体外端。 Detecting the heart rate of the wearable apparatus as claimed in claim 1, wherein said output means is a display screen provided on the outer end of the base.
  5. 5.如权利要求4所述的穿戴式检测心率装置,其特征在于,所述基体内设有用于计时、显示日期的计时模块,所述计时模块输出信号至所述显示屏。 5. The wearable heart rate detection apparatus according to claim 4, characterized in that the base body is provided for timing, the timing module to display the date, said output timing signal to the display module.
  6. 6.如权利要求5所述的穿戴式检测心率装置,其特征在于,所述基体内设有用于和其他无线设备交换数据的无线模块。 Wearable heart rate detecting device according to claim 6, characterized in that the base body is provided with means for wireless and other wireless devices for exchanging data.
  7. 7.如权利要求1至6任一项所述的穿戴式检测心率装置,其特征在于,所述固定装置为可以将所述基体固定在人体手臂上的腕带,所述腕带上设有可调节长短的扣紧结构。 7. The wearable heart rate detection apparatus according to any one of claim 6, wherein said fixing means is fixed to the base body may be a human arm at the wrist strap, the wristband is provided with adjustable fastening structure shorter.
CN 201310353721 2013-08-14 2013-08-14 Wearable heart rate detection device CN104367310A (en)

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