WO2015039373A1 - 一种便携式传感器组件 - Google Patents

一种便携式传感器组件 Download PDF

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Publication number
WO2015039373A1
WO2015039373A1 PCT/CN2013/086384 CN2013086384W WO2015039373A1 WO 2015039373 A1 WO2015039373 A1 WO 2015039373A1 CN 2013086384 W CN2013086384 W CN 2013086384W WO 2015039373 A1 WO2015039373 A1 WO 2015039373A1
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WIPO (PCT)
Prior art keywords
contact
pcb board
pulse
sensor assembly
housing
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PCT/CN2013/086384
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English (en)
French (fr)
Inventor
曹金平
陈岩
何国祥
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天津万合星辰信息技术有限公司
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Publication of WO2015039373A1 publication Critical patent/WO2015039373A1/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
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus
    • 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

Definitions

  • the present invention relates to a pulse sensor, and more particularly to a portable sensor assembly.
  • Pulse wave is one of the important parameters of the human cardiovascular system.
  • the blood flow from the ventricle into the aorta will propagate along the arterial line in the form of a wave of autonomous active roots.
  • This wave is the pulse wave.
  • the pulse wave is transmitted in the arterial line and is continuously reflected in the branches at different downstream locations, so that the pulse wave is not only affected by the heart itself, but also affected by various physiological and pathological factors in the arteries and branches of the various stages.
  • Such as vascular resistance, vascular wall elasticity and blood viscosity, etc. so the reflected wave intensity and waveform reflected from the downstream peripheral arteries will vary greatly with different physiological and pathological factors. Therefore, the extraction of physiological and pathological information of the human body from the pulse wave as the basis for clinical diagnosis and treatment has always been valued by the Chinese and foreign medical circles.
  • a device made of a piezoelectric material converts a pulse wave into a voltage output by conversion of mechanical energy to electric energy, and is the most common method for measuring pulse wave. It is a well-known technique to measure arterial pressure fluctuation by a piezoelectric sensor. This is accomplished by placing the piezoelectric sensor unit on the surface of the human artery and measuring the tension in the blood vessel by sensing changes in the tension of the artery.
  • the diameter of the artery is usually 1.2mm-2.4mm. In order to accurately check the pressure change caused by the artery, it is necessary to cover the sensor as much as possible above the artery.
  • pulse wave sensors based on mechanical energy detection require the subject to take a specific posture and take a pressing method to overcome the interference signal, and the blood flow pressure can be clearly transmitted and recognized.
  • wearable technology has entered people's field of vision.
  • Wearable technology mainly explores and creates science and technology that can be worn directly on the body or integrated into the user's clothes or accessories.
  • An object of the present invention is to provide a portable sensor assembly that is structurally sound, small in size, and portable, in view of the deficiencies of the prior art described above.
  • a portable sensor assembly comprising a housing made of metal, wherein a pulse sensing mechanism is disposed in the housing, and the pulse sensing mechanism is composed of a PCB board, a piezoelectric film disposed on the PCB board, and a pulse contact disposed on the outside of the piezoelectric film; the PCB board a piezoelectric film vibration stroke working chamber corresponding to the piezoelectric film, wherein the positive and negative electrodes of the PCB board are connected to the positive and negative electrodes of the piezoelectric film, and the PCB board is connected to an external data collecting instrument circuit;
  • the housing is provided with a contact extension hole adapted to the pulse contact, and the pulse contact is in contact with the human body.
  • the piezoelectric film is tightly covered on a PCB.
  • one side of the PCB board is a positive electrode and the other side is a negative electrode;
  • the piezoelectric film is composed of a PVDF film and a positive electrode coating and a negative electrode coating disposed on both sides of the PVDF film.
  • the positive electrode coating is located
  • the negative electrode coating is coated on the other side of the PVDF film; the positive electrode coating is in close contact with the positive electrode surface of the PCB, and the negative electrode coating passes through the edge After being bent, it is connected to the negative electrode surface of the PCB board; the negative electrode coating is in contact with the housing.
  • one side of the PCB board has an electrode plug connector connected to an external data collecting instrument, and the positive pole and the negative pole of the PCB board are connected to the electrode plug connector;
  • a plug connector extension hole adapted to the electrode plug connector is provided.
  • the pulse contact is composed of a silicone fixing platform and a silicone contact disposed on the silicone fixing platform, and the pulse contact is sandwiched between the housing and the pulse sensing mechanism.
  • the silicone contact is located at a height of the outer portion of the housing of 1 to 2.4 mm.
  • the end portion of the silicone contact that is in contact with the human body has an arc structure.
  • the housing is composed of an upper shell and a lower shell that are matched with each other, and the pulse sensing mechanism, the upper shell and the lower shell are integrally connected by screws; the plug joint protrudes from the hole Disposed on the lower case; the contact protrusion hole is disposed on the upper case.
  • the present invention has the following advantages over the prior art by the ingenious cooperation of the piezoelectric film and the PCB board:
  • the curved contact end of the silicone contact can receive the pulse vibration signal well, and the silicone pulse vibration transmission surface at the bottom of the platform is fixed by the silica gel, and the pulse vibration signal is completely transmitted to the piezoelectric film, thereby improving the sensor. Sensitivity.
  • the piezoelectric film vibration stroke working cavity on the PCB board can well solve the piston vibration space required for the piezoelectric film to detect the pulse vibration, so that the sensitivity of the sensor is greatly improved.
  • Figure 1 is a schematic exploded view of the present invention
  • Fig. 2 is a schematic view showing the structure of a piezoelectric film and a PCB board of the present invention.
  • housing 1 contact extension hole la, plug connector extension hole lb, upper case lc, lower case ld, PCB board 2, piezoelectric film vibration stroke working chamber 2a, electrode plug connector 2b, piezoelectric film 3.
  • PVDF film 3a positive electrode coating 3b, negative electrode coating 3c, pulse contact 4, silicone fixing platform 4a, and silicone contact 4b.
  • a portable sensor assembly of the present invention includes a housing 1 made of metal, and a pulse sensing mechanism is disposed in the housing 1 , and the pulse sensing mechanism is disposed on the PCB by the PCB 2 .
  • the piezoelectric film 3 on the board 2 is composed of a pulse contact 4 disposed on the outside of the piezoelectric film 3; the piezoelectric film 3 is preferably tightly covered on the PCB board 2, which can significantly improve the sensitivity of detection.
  • the PCB board 2 is provided with a piezoelectric film vibration stroke working chamber 2a corresponding to the piezoelectric film 3, and the filling material in the piezoelectric film vibration stroke working chamber 2a may be air or a vacuum structure;
  • the positive and negative electrodes of the plate 2 are connected to the positive and negative electrodes of the piezoelectric film 3, and the PCB board 2 is electrically connected to an external data collecting instrument.
  • the piezoelectric film 3 is connected to the outside through the PCB board 2, and can be significantly reduced.
  • the volume of the sensor; the housing 1 is provided with a contact extending hole la adapted to the pulse contact 4, and the pulse contact 4 is in contact with the human body.
  • one side of the PCB board 2 is a positive electrode and the other side is a negative electrode; the piezoelectric film 3 is composed of a PVDF film 3a and two sides of the PVDF film 3a.
  • the positive electrode coating layer 3b is composed of a negative electrode coating layer 3b which is located on the PVDF film 3a corresponding to the outer contour of the positive electrode of the PCB board 2, and the negative electrode coating layer 3c covers the other side of the PVDF film 3a;
  • the positive electrode coating layer 3b is in contact with the positive electrode surface of the PCB board 2, and the negative electrode coating layer 3c is bent by the edge to be connected to the negative electrode surface of the PCB board 2; the negative electrode coating layer 3c is in contact with the casing 1.
  • the portion of the PCB board 2, that is, the piezoelectric film 3 wrapped around the positive surface of the PCB 2 has only a negative electrode coating, and the back surface of the negative electrode coating is an uncoated insulating material.
  • one side of the PCB board 2 has an electrode plug connector 2b connected to an external data collecting instrument, and both the positive pole and the negative pole of the PCB board 2 are connected to the electrode plug connector 2b;
  • the plug connector adapted to the electrode plug connector 2b extends out of the hole lb.
  • the piezoelectric film 3 is folded to the structure of the PCB board 2, so that the piezoelectric film 3 is stretched on the PCB board 2, and a high sensitivity effect can be achieved; at the same time, the electrical signal of the piezoelectric film 3 is skillfully inserted through the electrodes.
  • the connector 2b is led out, so that the signal output connector of the sensor is flexible, solderable, and pluggable.
  • the negative electrode of the piezoelectric film 3 is folded over the negative electrode surface of the PCB 2, and the rolled portion of the negative electrode coating 3c of the piezoelectric film 3 is in contact with the metal casing under the compression of the soft pulse contact 4, through the metal shell.
  • the conduction between the body and the skin forms a ground; at the same time, the negative electrode can be drawn next to the positive pole of the PCB 2, and the interference of the external signal on the piezoelectric film is well shielded by the metal casing.
  • the pulse contact 4 described in this embodiment is composed of a silicone fixing platform 4a and a silicone contact 4b disposed on the silicone fixing platform 4a, and the pulse contact 4 is sandwiched between the housing 1 and the pulse sensing mechanism.
  • the height of the silicone contact 4b located at the outer portion of the housing 1 is 1 to 2.4 mm.
  • the end of the silicone contact 4b contacting the human body is an arc structure, and the curved structure of the silicone contact 4b and the appropriate height not only make the human body feel comfortable when it contacts the silicone contact 4b, but also can well Receive pulse vibration signals.
  • the flexible silicone contact 4b squeezes the housing in the housing 1, so that the housing 1 is sealed, shielding noise interference, waterproofing, and dustproof, and simultaneously pressing the silicone contact 4b to make the vibration transmission surface of the silicone fixing platform 4a Producing a natural protrusion along the vibration film working chamber 2a of the piezoelectric film;
  • the housing 1 is composed of an upper housing lc and a lower housing Id which are coupled to each other, and the pulse sensing mechanism, the upper housing lc and the lower housing Id are integrally connected by screws;
  • the joint projecting hole lb is disposed on the lower casing 1d;
  • the contact projecting hole 1a is disposed on the upper casing lc.
  • the PCB board 2, the piezoelectric film 3 and the silicone fixing platform 4a are provided with positioning holes corresponding to the screws, and the entire sensor is fixedly connected by screws, so that the negative electrode coating 3c of the piezoelectric film 3 is in contact with the housing 1.
  • the housing 1 is composed of an upper housing lc and a lower housing Id which are coupled to each other, and the pulse sensing mechanism, the upper housing lc and the lower housing Id are integrally connected by screws;
  • the joint projecting hole lb is disposed on the lower casing 1d;
  • the contact projecting hole 1a is disposed on the upper casing l
  • the sensor assembly of the present invention is fixed to the corresponding part of the human body by an external fixing device, the position of the silicone rubber contact 4b is adjusted, and an external data collecting instrument is connected to collect data.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

一种便携式传感器组件，包括金属制成的壳体（1），所述壳体（1）内设有脉搏传感机构，所述脉搏传感机构由PCB板（2）、设置在PCB板（2）上的压电薄膜（3）及贴紧设置在压电薄膜（3）外侧的脉搏触头（4）组成；所述PCB板（2）上设有与压电薄膜（3）相对应的压电薄膜震动行程工作腔（2a），所述PCB板（2）的正负极与压电薄膜（3）的正负极相互连接，所述PCB板（2）与外部数据收集仪器电路连接；所述壳体（1）上设有与脉搏触头（4）相适应的触头伸出孔（1a），所述脉搏触头（4）与人体相接触。

Description

-种便携式传感器组件 技术领域
本发明涉及一种脉搏传感器， 更具体地说， 尤其涉及一种便携式传感器组件。
背景技术
脉搏波是人体心血管系统的重要参数之一。 当心脏周期性的收缩和舒张时， 心室射入主 动脉的血流将以波的形式自主主动根部出发沿动脉管系传播， 这种波就是脉搏波。 脉搏波在 动脉管系中传输， 并在下游不同位置的各级分支中不断反射， 使脉搏波不仅要受到心脏本身 的影响， 同时还会受到流经各级动脉及分支中各种生理病理因素如血管阻力、 血管壁弹性和 血液黏性等的影响， 因而从下游外周动脉反射回来的反射波强度和波形随不同的生理病理因 素变化将会有很大差异。 因此从脉搏波中提取人体的生理病理信息作为临床诊断和治疗的依 据， 历来都受到中外医学界的重视。
现有技术中， 使用压电材料制作的装置， 通过机械能向电能的转换将脉搏波转换为电压 输出， 是最常见的脉搏波测量方法， 以压电传感器测定动脉压力变动是公知技术。 其实现方 式为通过将压电式传感器单元放置人体动脉表面上， 通过感受动脉带来张力变化来测定血管 内的压力状态。动脉直径通常为 1.2mm-2.4mm， 为了能够精确的检查到动脉引起的压力变化， 需要将传感器尽量覆盖在动脉的上方。
在传统的脉搏波检测中， 干扰与舒适度常常是一个主要问题。 为满足在生活场合中进行 连续监测， 功耗也是一个主要问题。
传统上基于机械能检测的脉搏波传感器要求被检测者采取特定姿态，并采取紧压的方式， 以克服干扰信号， 满足血流压力可以被清晰的传导和识别。
另外， 随着技术的不断发展， 可穿戴技术进入人们的视野， 可穿戴技术主要探索和创造 能直接穿在身上、 或是整合进用户的衣服或配件的设备的科学技术。 通过"内在连通性"实现 快速的数据获取、 通过超快的分享内容能力高效地保持社交联系。 摆脱传统的手持设备而获 得无缝的网络访问体验。 而将此应用于医学领域， 结合便携式传感器， 用于方便快捷地检测 人体各项数据， 将是未来发展的一个重要趋势。
发明内容
本发明的目的在于针对上述现有技术的不足， 提供一种结构合理、 体积小且携带方便的 便携式传感器组件。
本发明的技术方案是这样实现的： 一种便携式传感器组件， 包括金属制成的壳体， 其中 所述壳体内设有脉搏传感机构， 所述脉搏传感机构由 PCB板、 设置在 PCB板上的压电薄膜 及贴紧设置在压电薄膜外侧的脉搏触头组成； 所述 PCB板上设有与压电薄膜相对应的压电薄 膜震动行程工作腔， 所述 PCB板的正负极与压电薄膜的正负极相互连接， 所述 PCB板与外 部数据收集仪器电路连接； 所述壳体上设有与脉搏触头相适应的触头伸出孔， 所述脉搏触头 与人体相接触。
上述的一种便携式传感器组件中， 所述的压电薄膜绷紧覆盖在 PCB板上。
上述的一种便携式传感器组件中， 所述的 PCB板其中一面为正极， 另一面为负极； 所述 压电薄膜由 PVDF膜及设置在 PVDF膜两侧的正极涂层和负极涂层组成， 所述正极涂层位于
PCB板 2正极的外轮廓对应的 PVDF膜上， 所述负极涂层覆盖在 PVDF膜的另一侧面上； 所 述正极涂层与 PCB板的正极面贴合接触， 所述负极涂层通过边缘弯折后与 PCB板的负极面 相连接； 所述负极涂层与壳体相接触。
上述的一种便携式传感器组件中， 所述的 PCB板其中一侧延伸有与外部数据收集仪器相 连接的电极插接头， 所述 PCB板的正极和负极均与电极插接头连接； 在壳体上设有与电极插 接头相适应的插接头伸出孔。
上述的一种便携式传感器组件中， 所述的脉搏触头由硅胶固定平台和设置在硅胶固定平 台上的硅胶触头组成， 所述脉搏触头夹设在壳体和脉搏传感机构之间。
上述的一种便携式传感器组件中， 所述硅胶触头位于壳体外部分的高度为 l〜2.4mm。 上述的一种便携式传感器组件中， 所述硅胶触头与人体相接触的端部为弧形结构。
上述的一种便携式传感器组件中， 所述壳体由相互配合的上壳和下壳组成， 所述脉搏传 感机构、 上壳和下壳通过螺丝固定连接成整体； 所述插接头伸出孔设置在下壳上； 所述触头 伸出孔设置在上壳上。
本发明采用上述结构后，通过压电薄膜与 PCB板的巧妙配合，使本发明相对于现有技术， 具有下述的优点：
( 1 )硅胶触头的弧形接触端， 能够很好地接收脉搏震动信号， 并利用硅胶固定平台底部 的硅胶脉搏震动传递面， 将脉搏震动信号完全传递到压电薄膜上， 从而提高了传感器的灵敏 度。
(2) 通过压电薄膜包折 PCB板的结构， 使压电薄膜绷紧在 PCB板上， 以达到高灵敏度 效果， 再通过四个角的装配固定孔固定， 以达到稳定的高灵敏度和长使用寿命。
(3 )巧妙地将压电薄膜电信号通过电极插接头引出， 使该传感器的信号输出接头灵活多 样， 可焊接， 可插接。 (4) 压电薄膜的负极涂层边缘折叠包折在 PCB板负极面上， 压电薄膜的负极涂层的卷 起部分在柔软的脉搏触头的挤压下与金属外壳接触， 通过金属壳体与皮肤的传导形成接地； 同时， 又可以在 PCB板正极旁边引出负极， 利用金属外壳很好地屏蔽了外界信号对压电薄膜 的干扰。
(5 ) PCB板上的压电薄膜震动行程工作腔，很好地解决了压电薄膜进行脉搏震动检测时， 所需要的活塞式震动空间， 使该传感器灵敏度大为提高。
(6) PCB板与压电薄膜的巧妙配合， 实现传感器的微型化， 厚度可达到 2毫米， 可以非 常容易地安装在用户衣服及随身配戴的设备及物品上， 实现方便快捷地获取人体脉搏数据。 附图说明
下面结合附图中的实施例对本发明作进一步的详细说明， 但并不构成对本发明的任何限 制。
图 1是本发明的分解结构示意图；
图 2是本发明压电薄膜与 PCB板的结构示意图。
图中： 壳体 1、 触头伸出孔 la、 插接头伸出孔 lb、 上壳 lc、 下壳 ld、 PCB板 2、 压电薄 膜震动行程工作腔 2a、 电极插接头 2b、压电薄膜 3、 PVDF膜 3a、正极涂层 3b、负极涂层 3c、 脉搏触头 4、 硅胶固定平台 4a、 硅胶触头 4b。
具体实施方式
参阅图 1所示， 本发明的一种便携式传感器组件， 包括金属制成的壳体 1， 在壳体 1内设 有脉搏传感机构， 所述脉搏传感机构由 PCB板 2、设置在 PCB板 2上的压电薄膜 3及贴紧设 置在压电薄膜 3外侧的脉搏触头 4组成； 所述压电薄膜 3优选为绷紧覆盖在 PCB板 2上， 这 样可以显著提高检测的灵敏度。所述 PCB板 2上设有与压电薄膜 3相对应的压电薄膜震动行 程工作腔 2a， 压电薄膜震动行程工作腔 2a内的填充物可以是空气， 也可以是真空结构； 所述 PCB板 2的正负极与压电薄膜 3的正负极相互连接，所述 PCB板 2与外部数据收集仪器电路 连接， 这种结构， 压电薄膜 3通过 PCB板 2与外部连接， 可以显著缩小传感器的体积； 所述 壳体 1上设有与脉搏触头 4相适应的触头伸出孔 la， 所述脉搏触头 4与人体相接触。
优选地， 参阅图 2所示， 在本实施例中， 所述的 PCB板 2其中一面为正极， 另一面为负 极； 所述压电薄膜 3由 PVDF膜 3a及设置在 PVDF膜 3a两侧的正极涂层 3b和负极涂层 3c 组成， 所述正极涂层 3b位于 PCB板 2正极的外轮廓对应的 PVDF膜 3a上， 所述负极涂层 3c 覆盖在 PVDF膜 3a的另一侧面上； 所述正极涂层 3b与 PCB板 2的正极面贴合接触， 所述负 极涂层 3c通过边缘弯折后与 PCB板 2的负极面相连接； 所述负极涂层 3c与壳体 1相接触。 具体地， 包裹 PCB板 2的部分， 即压电薄膜 3包裹在 PCB板 2正极面以外的部分仅有负极 涂层， 负极涂层的背面为无涂层的绝缘材质。 并且， 所述的 PCB板 2其中一侧延伸有与外部 数据收集仪器相连接的电极插接头 2b，所述 PCB板 2的正极和负极均与电极插接头 2b连接； 在壳体 1上设有与电极插接头 2b相适应的插接头伸出孔 lb。 上述的结构， 压电薄膜 3包折 PCB板 2的结构， 使压电薄膜 3绷紧在 PCB板 2上， 可以达到高灵敏度效果； 同时， 巧妙地 将压电薄膜 3的电信号通过电极插接头 2b引出， 使该传感器的信号输出接头灵活多样， 可焊 接， 可插接。 而且， 压电薄膜 3的负极面包折在 PCB板 2负极面上， 压电薄膜 3的负极涂层 3c的卷起部分在柔软的脉搏触头 4的挤压下与金属外壳接触， 通过金属壳体与皮肤的传导形 成接地； 同时， 又可以在 PCB板 2正极旁边引出负极， 利用金属外壳很好地屏蔽了外界信号 对压电薄膜的干扰。
同时， 本实施例中所述的脉搏触头 4由硅胶固定平台 4a和设置在硅胶固定平台 4a上的 硅胶触头 4b组成，所述脉搏触头 4夹设在壳体 1和脉搏传感机构之间；并且所述硅胶触头 4b 位于壳体 1外部分的高度为 l〜2.4mm。 所述硅胶触头 4b与人体相接触的端部为弧形结构， 硅胶触头 4b的弧形结构及适当的高度， 不仅使人体与硅胶触头 4b相接触时感觉舒服， 而且 能够很好地接收脉搏震动信号。 同时， 柔性的硅胶触头 4b在壳体 1内挤压壳体， 使壳体 1形 成密封， 屏蔽噪音干扰、 防水、 防灰尘， 同时挤压硅胶触头 4b使硅胶固定平台 4a的震动传 递面沿压电薄膜震动行程工作腔 2a产生自然凸起；
进一步地， 为了使安装及维护方便， 壳体 1 由相互配合的上壳 lc和下壳 Id组成， 所述 脉搏传感机构、 上壳 lc和下壳 Id通过螺丝固定连接成整体； 所述插接头伸出孔 lb设置在下 壳 Id上； 所述触头伸出孔 la设置在上壳 lc上。 同时， 在 PCB板 2、 压电薄膜 3及硅胶固定 平台 4a均设有与螺丝相对应的定位孔， 整个传感器通过螺丝进行固定连接， 使压电薄膜 3的 负极涂层 3c与壳体 1接触更加良好， 同时达到稳定的高灵敏度和较长使用寿命的目的。
使用时， 将本发明的传感器组件通过外部固定装置固定在人体相应的部位上， 调整好硅 胶触头 4b的位置， 连接外部数据收集仪器， 即可进行数据的收集。
以上所举实施例为本发明的较佳实施方式， 仅用来方便说明本发明， 并非对本发明作任 何形式上的限制， 任何所属技术领域中具有通常知识者， 若在不脱离本发明所提技术特征的 范围内， 利用本发明所揭示技术内容所作出局部更动或修饰的等效实施例， 并且未脱离本发 明的技术特征内容， 均仍属于本发明技术特征的范围内。

Claims

1. 一种便携式传感器组件， 包括金属制成的壳体 （1 )， 其特征在于， 所述壳体 （1 ) 内 设有脉搏传感机构， 所述脉搏传感机构由 PCB板（2)、设置在 PCB板（2)上的压电薄膜（3) 及贴紧设置在压电薄膜 （3 ) 外侧的脉搏触头 （4) 组成； 所述 PCB板 （2) 上设有与压电薄 膜（3 )相对应的压电薄膜震动行程工作腔（2a)， 所述 PCB板（2) 的正负极与压电薄膜（3 ) 的正负极相互连接， 所述 PCB板 （2) 与外部数据收集仪器电路连接； 所述壳体 （1 ) 上设有 与脉搏触头 （4) 相适应的触头伸出孔 （la)， 所述脉搏触头 （4) 与人体相接触。
2. 根据权利要求 1所述的一种便携式传感器组件， 其特征在于， 所述的压电薄膜 （3 ) 绷紧覆盖在 PCB板 （2) 上。
3. 根据权利要求 1所述的一种便携式传感器组件， 其特征在于， 所述的 PCB板 （2) 其 中一面为正极， 另一面为负极； 所述压电薄膜（3 ) 由 PVDF膜（3a)及设置在 PVDF膜（3a) 两侧的正极涂层 （3b) 和负极涂层 （3c) 组成， 所述正极涂层 （3b) 位于 PCB板 2正极的外 轮廓对应的 PVDF膜 （3a) 上， 所述负极涂层 （3c) 覆盖在 PVDF膜 （3a) 的另一侧面上； 所述正极涂层 （3b) 与 PCB板 （2) 的正极面贴合接触， 所述负极涂层 （3c) 通过边缘弯折 后与 PCB板 （2) 的负极面相连接； 所述负极涂层 （3c) 与壳体 （1 ) 相接触。
4. 根据权利要求 3所述的一种便携式传感器组件， 其特征在于， 所述的 PCB板 （2) 其 中一侧延伸有与外部数据收集仪器相连接的电极插接头 （2b)， 所述 PCB板 （2) 的正极和负 极均与电极插接头 （2b)连接； 在壳体 （1 ) 上设有与电极插接头 （2b)相适应的插接头伸出 孔 （lb)。
5. 根据权利要求 1所述的一种便携式传感器组件， 其特征在于， 所述的脉搏触头 （4) 由硅胶固定平台 （4a) 和设置在硅胶固定平台 （4a) 上的硅胶触头 （4b) 组成， 所述脉搏触 头 （4) 夹设在壳体 （1 ) 和脉搏传感机构之间。
6. 根据权利要求 5所述的一种便携式传感器组件， 其特征在于， 所述硅胶触头 （4b)位 于壳体 （1 ) 外部分的高度为 l〜2.4mm。
7. 根据权利要求 5或 6所述的一种便携式传感器组件， 其特征在于， 所述硅胶触头（4b) 与人体相接触的端部为弧形结构。
8. 根据权利要求 4所述的一种便携式传感器组件， 其特征在于， 所述壳体 （1 ) 由相互 配合的上壳 （lc) 和下壳 （Id) 组成， 所述脉搏传感机构、 上壳 （lc) 和下壳 （Id) 通过螺 丝固定连接成整体； 所述插接头伸出孔 （lb) 设置在下壳 （Id) 上； 所述触头伸出孔 （la) 设置在上壳 （lc) 上。
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