KR102667909B1 - Solderable electro-conductive fiber for measuring bio-signals - Google Patents
Solderable electro-conductive fiber for measuring bio-signals Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000005476 soldering Methods 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 239000004952 Polyamide Substances 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
- A61B5/27—Conductive fabrics or textiles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
- A61B5/265—Bioelectric electrodes therefor characterised by the electrode materials containing silver or silver chloride
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/30—Input circuits therefor
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Abstract
본 발명은 전기전도성 섬유에 직조된 생체신호 측정 전극사가 납땜이 가능하도록 개선된 납땜이 가능한 생체신호 측정용 전기전도성 섬유에 관한 것이다.
본 발명은 복합도전사를 경사와 위사로 하여 직조되고, 상기 복합도전사 사이에 일정 간격으로 경사와 위사로 하여 직조된 전극사로 이루어지고, 상기 전극사에서 인출된 인출전극사가 생체신호 측정 장치의 회로기판의 접속패턴에 납땜되되, 상기 전극사 및 상기 인출전극사는 납땜 온도보다 높은 용융점을 갖는 금속재로 이루어진 납땜이 가능한 생체신호 측정용 전기전도성 섬유를 제공한다.The present invention relates to an improved solderable electrically conductive fiber for measuring biosignals so that biosignal measurement electrode yarns woven into the electrically conductive fiber can be soldered.
The present invention is made of electrode yarns woven with warp and weft composite conductive yarns, and warp and weft yarns at regular intervals between the composite conductive yarns, and the lead-out electrode yarn drawn from the electrode yarn is used in a bio-signal measuring device. It provides an electrically conductive fiber for measuring biosignals that can be soldered to a connection pattern of a circuit board, wherein the electrode thread and the lead electrode thread are made of a metal material having a higher melting point than a soldering temperature.
Description
본 발명은 납땜이 가능한 생체신호 측정용 전기전도성 섬유에 관한 것으로서, 보다 상세하게는 전기전도성 섬유에 직조된 생체신호 측정 전극사가 납땜이 가능하도록 개선된 납땜이 가능한 생체신호 측정용 전기전도성 섬유에 관한 것이다.The present invention relates to a solderable electrically conductive fiber for measuring biological signals, and more specifically, to a solderable electrically conductive fiber for measuring biological signals that has been improved so that the biosignal measurement electrode threads woven into the electrically conductive fiber can be soldered. will be.
최근 건강에 대한 관심 증대와 라이프스타일의 변화와 함께 고령화 사회로의 진입으로 인해 사회적인 관점에서 개인의 건강에 대한 체계적인 관리의 필요성이 대두되고 있다. Recently, due to increased interest in health, changes in lifestyle, and the entry into an aging society, the need for systematic management of individual health from a social perspective is emerging.
이에 따라 개인의 건강을 체계적으로 모니터링하고 관리할 수 있는 기술에 대한 요구가 증가되고 있다.Accordingly, the demand for technology that can systematically monitor and manage individual health is increasing.
특히, 생체신호 측정 섬유는 언제 어디서나 인체와 접촉하고 있기 때문에 생체신호를 측정하기에 적합한바 다양한 종류의 생체신호 측정 센서를 생체신호측정 의류에 용이하게 탑재하기 위한 연구와 시도들이 이루어지고 있다.In particular, bio-signal measurement fibers are suitable for measuring bio-signals because they are in contact with the human body anytime and anywhere, and research and attempts are being made to easily mount various types of bio-signal measurement sensors on bio-signal measurement clothing.
그리고 전도성 실 또는 전도성 직물 기반 코일형 자계 센서를 구성하여, 유도용량(Inductance) 변화를 이용한 생체조직의 체적변화 검출하는 유도용량성 생체신호 측정 센서가 제안된 바 있다.Additionally, an inductive biosignal measurement sensor has been proposed that consists of a coil-type magnetic field sensor based on conductive thread or conductive fabric and detects volumetric changes in biological tissue using changes in inductance.
특히, 심장박동, 심전도 신호 등을 비접촉으로 검출하기 위하여, 전자기학적으로 인체와 근접한 면에서 인덕턴스(Inductance)를 형성하는 전도성 실 또는 직물 기반의 코일 형태의 유도성(inductive) 센서를 이용하여 심장근육의 움직임으로 인한 도전율(conductivity, σ)의 변화가 유도된 와상전류(eddy current)에 의한 유도성 센서의 인덕턴스의 변화를 일으키게 되고, 변화된 인덕턴스를 발진회로를 이용하여 주파수 변조시킨 후, 복조기(demodulator)를 이용하여 심장의 움직임을 검출할 수 있는 유도용량성 생체신호 측정 센서와 그 구동장치 및 구동방법이 제안된 바 있다.In particular, in order to detect heartbeat and electrocardiogram signals non-contactly, an inductive sensor in the form of a conductive thread or fabric-based coil that electromagnetically forms an inductance in close proximity to the human body is used to detect the heart muscle. The change in conductivity (σ) due to the movement causes a change in the inductance of the inductive sensor due to the induced eddy current, and the changed inductance is frequency modulated using an oscillator circuit and then used by a demodulator. ), an inductive biosignal measurement sensor that can detect heart movement, and its driving device and driving method have been proposed.
이렇게 제안된 전도성 직물기반 유도용량성 생체신호 측정 센서는, 등록특허 제10-1302600호(2013년 08월 26일, 등록)에 개시되어 있다.The proposed conductive fabric-based inductive biosignal measurement sensor is disclosed in Registered Patent No. 10-1302600 (registered on August 26, 2013).
상기한 생체신호 측정 센서 또는 장치 등에 적용되는 생체신호 측정용 전기전도성 섬유의 일 실시예가 도 1에 도시되어 있다.An example of an electrically conductive fiber for measuring biosignals applied to the above-mentioned biosignal measurement sensor or device is shown in FIG. 1.
도 1을 참조하면, 전기전도성 섬유(10)를 생체신호 측정 센서 또는 장치 등에 적용하기 위해 원단 또는 패치 형태로 직조하였다.Referring to FIG. 1, the electrically conductive fiber 10 was woven into a fabric or patch form to be applied to a bio-signal measurement sensor or device.
즉, 생체신호 측정 센서 또는 장치에 적용되는 생체신호 측정용 전기전도성 섬유(10)는, 복합도전사(11)를 경사(날실)와 위사(씨실)로 직조하여 제조하여 이루어진다.In other words, the electrically conductive fiber 10 for measuring biosignals applied to a biosignal measuring sensor or device is manufactured by weaving a composite conductive yarn 11 with warp yarns (warp yarns) and weft yarns (weft yarns).
이때, 상기 복합도전사(11)는, 섬유사의 외부에 코팅된 도전층으로 이루어진다.At this time, the composite conductive yarn 11 consists of a conductive layer coated on the outside of the fiber yarn.
이러한 섬유사는 일 예로 폴리아미드(PA)를 적용할 수 있고, 상기 도전층은 은(Ag)이 코팅되어 이루어질 수 있다.For example, polyamide (PA) may be used as the fiber yarn, and the conductive layer may be coated with silver (Ag).
이와 같이 구성된 생체신호 측정용 전기전도성 섬유(10)를 생체신호 측정 센서 또는 장치의 회로기판(미도시)에 전기적으로 연결하기 위해, 상기 복합도전사(11)에서 인출한 인출전극사(11a)를 상기 회로기판의 접속패턴에 납땜을 한다.In order to electrically connect the bio-signal measurement electrically conductive fiber 10 configured as described above to the circuit board (not shown) of a bio-signal measurement sensor or device, a lead-out electrode yarn 11a drawn from the composite conductive yarn 11 is used. Solder it to the connection pattern of the circuit board.
그런데, 상기와 같은 종래의 복합도전사(11)의 인출전극사(11a)는, 납땜을 하기 어려운 문제점이 있다.However, the lead-out electrode yarn 11a of the conventional composite conductive yarn 11 as described above has a problem in that it is difficult to solder.
그 이유는, 상기 인출전극사(11a)를 납땜하는 경우, 납땜 온도(약 350℃)가 너무 높아 상기 인출전극사(11a)가 고온의 납땜 온도에 견디지 못하기 때문이다.The reason is that when soldering the lead-out electrode yarn 11a, the soldering temperature (about 350°C) is too high and the lead-out electrode yarn 11a cannot withstand the high soldering temperature.
본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로서, 생체신호 측정용 전기전도성 섬유의 인출전극사가 회로기판의 접속패턴에 납땜이 가능하도록 한 납땜이 가능한 생체신호 측정용 전기전도성 섬유를 제공하는데 그 목적이 있다.The present invention was created to solve the above problems, and provides a solderable electrically conductive fiber for measuring biological signals in which the lead electrode thread of the electrically conductive fiber for measuring biological signals can be soldered to the connection pattern of a circuit board. It has a purpose.
상기와 같은 목적을 달성하기 위한 본 발명의 납땜이 가능한 생체신호 측정용 전기전도성 섬유는, The solderable electrically conductive fiber for measuring biological signals of the present invention to achieve the above object is,
복합도전사를 경사와 위사로 하여 직조되고, 상기 복합도전사 사이에 일정 간격으로 경사와 위사로 하여 직조된 전극사로 이루어지고,It is woven with composite conductive yarns as warp and weft yarns, and consists of electrode yarns woven with warp and weft yarns at regular intervals between the composite conductive yarns,
상기 전극사에서 인출된 인출전극사가 생체신호 측정 장치의 회로기판의 접속패턴에 납땜되되,The lead electrode yarn drawn out from the electrode yarn is soldered to the connection pattern of the circuit board of the bio-signal measuring device,
상기 전극사 및 상기 인출전극사는 납땜 온도보다 높은 용융점을 갖는 금속재로 이루어진 것을 그 특징으로 한다.The electrode yarn and the lead-out electrode yarn are characterized in that they are made of a metal material having a melting point higher than the soldering temperature.
본 발명에 있어서, 상기 전극사 및 상기 인출전극사는 Cu를 포함하여 된다.In the present invention, the electrode yarn and the lead-out electrode yarn contain Cu.
본 발명에 있어서, 상기 복합도전사는, 코어인 섬유사와; 상기 섬유사의 외부에 코팅된 도전층;을 포함하되, 상기 섬유사는 폴리아미드(PA)를 포함하여 되고, 상기 도전층은 은(Ag)을 포함하여 된다.In the present invention, the composite conductive yarn includes a fiber yarn as a core; A conductive layer coated on the outside of the fiber yarn, wherein the fiber yarn contains polyamide (PA) and the conductive layer contains silver (Ag).
본 발명의 실시예에 따르면, 복합도전사 사이에 일정 간격으로 전극사를 위사와 경사로 하여 직조하고, 상기 전극사에서 인출한 인출전극사로 이루어지고, 상기 인출전극사를 생체신호 측정 장치의 회로기판의 접속패턴에 납땜하고, 상기 전극사 및 인출전극사를 높은 용융온도를 가지고 있고, 전기전도율이 우수하며, 은(Ag)에 비해 상대적으로 코스트가 저렴한 Cu를 적용함으로써, 상기 회로기판의 접속패턴에 용이하게 납땜할 수 있다.According to an embodiment of the present invention, electrode yarns are woven as wefts and warps at regular intervals between composite conductive yarns, and the lead electrode yarns are drawn out from the electrode yarns, and the lead electrode yarns are used as a circuit board of a bio-signal measuring device. By soldering to the connection pattern of the electrode thread and the lead-out electrode thread by applying Cu, which has a high melting temperature, excellent electrical conductivity, and is relatively inexpensive compared to silver (Ag), the connection pattern of the circuit board is formed. Can be easily soldered.
도 1은 종래의 기술에 따른 생체신호 측정용 전기전도성 섬유의 전체 구성을 확대하여 나타낸 평면도.
도 2는 본 발명에 따른 납땜이 가능한 생체신호 측정용 전기전도성 섬유의 전체 구성을 확대하여 나타낸 평면도.
도 3은 도 2에서 A-A선을 따라 절개하여 나타내 보인 단면도.Figure 1 is an enlarged plan view showing the overall configuration of an electrically conductive fiber for measuring biological signals according to the prior art.
Figure 2 is an enlarged plan view showing the overall configuration of the electrically conductive fiber for measuring biosignals that can be soldered according to the present invention.
Figure 3 is a cross-sectional view taken along line AA in Figure 2.
이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings.
도 2에는 본 발명에 따른 납땜이 가능한 생체신호 측정용 전기전도성 섬유의 전체 구성을 확대하여 나타낸 평면도가 도시되어 있다.Figure 2 shows an enlarged plan view showing the overall configuration of the electrically conductive fiber for measuring biosignals that can be soldered according to the present invention.
그리고 도 3에는 도 2에서 A-A선을 따라 절개하여 나타내 보인 단면도가 도시되어 있다.And FIG. 3 shows a cross-sectional view cut along line A-A in FIG. 2.
도 2 및 도 3을 참조하면, 본 발명에 따른 납땜이 가능한 생체신호 측정용 전기전도성 섬유(100)는, 경사와 위사로 하여 직조된 복합도전사(110)와, 이 복합도전사(110)에 일정 간격으로 위사와 경사로 하여 직조된 전극사(130)를 포함하여 구성된다.Referring to Figures 2 and 3, the electrically conductive fiber 100 for measuring biosignals that can be soldered according to the present invention includes a composite conductive yarn 110 woven with warp and weft yarns, and this composite conductive yarn 110. It is composed of electrode yarns 130 woven with weft yarns and warp yarns at regular intervals.
그리고 상기 전극사(130)는 전기전도성 섬유(100)에서 인출된 인출전극사(130a)가 생체신호 측정 장치의 회로기판(200)의 접속패턴(201)에 납땜된다.And the electrode yarn 130 is a lead-out electrode yarn 130a drawn from the electrically conductive fiber 100 and is soldered to the connection pattern 201 of the circuit board 200 of the bio-signal measuring device.
따라서 상기 전극사(130) 및 인출전극사(130a)는 납땜 온도보다 높은 용융점을 갖는 금속재(metal)로 이루어지는 것이 바람직하다.Therefore, the electrode yarn 130 and the lead-out electrode yarn 130a are preferably made of a metal material having a melting point higher than the soldering temperature.
상기 전극사(130) 및 인출전극사(130a)는 높은 용융온도(약 1,080℃)를 가지고 있고 전기전도율이 우수하며, 은(Ag)에 비해 상대적으로 코스트가 저렴한 Cu를 포함한다.The electrode yarn 130 and the lead-out electrode yarn 130a contain Cu, which has a high melting temperature (about 1,080°C), has excellent electrical conductivity, and is relatively inexpensive compared to silver (Ag).
또한, 상기 복합도전사(110)는, 도 3에 도시된 바와 같이, 코어인 섬유사(110a)와, 이 섬유사(110a)의 외부에 코팅된 도전층(110b)을 포함하여 구성된다.In addition, as shown in FIG. 3, the composite conductive yarn 110 includes a core fiber yarn 110a and a conductive layer 110b coated on the outside of the fiber yarn 110a.
그리고 상기 섬유사(110a)는 폴리아미드(PA)를 포함하고, 상기 도전층(110b)은, 은(Ag)을 포함하여 구성된다.In addition, the fiber yarn 110a contains polyamide (PA), and the conductive layer 110b contains silver (Ag).
이와 같이 상기 섬유사(110a)에 폴리아미드(PA)를 적용한 이유는 강도와 내마모성 및 탄성회복율이 우수하기 때문이며, 상기 도전층(110b)에 은(Ag)을 적용한 이유는 전기전도도가 매우 높기 때문이다.The reason polyamide (PA) is applied to the fiber yarn 110a is because it has excellent strength, abrasion resistance, and elastic recovery rate, and the reason silver (Ag) is applied to the conductive layer 110b is because it has very high electrical conductivity. am.
한편, 상기 회로기판(200)은 FPCB(Flexible Printed Circuit Board)를 포함하여 된다.Meanwhile, the circuit board 200 includes a flexible printed circuit board (FPCB).
상기한 바와 같은 구성을 갖는 본 발명에 따른 납땜이 가능한 생체신호 측정용 전기전도성 섬유의 작용을 설명하면 다음과 같다.The operation of the electrically conductive fiber for measuring biosignals that can be soldered according to the present invention having the above-described configuration is explained as follows.
도 3을 다시 참조하면, 본 발명에 따른 납땜이 가능한 생체신호 측정용 전기전도성 섬유(100)는, 복합도전사(110)에서 전극사(130)를 위사와 경사로 하여 직조하고, 상기 전극사(130)에서 인출한 인출전극사(130a)로 이루어진다.Referring again to FIG. 3, the electrically conductive fiber 100 for measuring biosignals that can be soldered according to the present invention is woven into a composite conductive yarn 110 with an electrode yarn 130 as a weft yarn and a warp yarn, and the electrode yarn ( It consists of a lead-out electrode yarn (130a) drawn from 130).
또한, 상기 인출전극사(130a)를 생체신호 측정 장치의 회로기판(200)의 접속패턴(201)에 납땜된다.In addition, the lead-out electrode thread 130a is soldered to the connection pattern 201 of the circuit board 200 of the bio-signal measuring device.
이때, 상기 전극사(130) 및 인출전극사(130a)를 높은 용융온도(약 1,080℃)를 가지고 있고, 전기전도율이 우수하며, 은(Ag)에 비해 상대적으로 코스트가 저렴한 Cu를 적용함으로써, 상기 회로기판(200)의 접속패턴(201)에 용이하게 납땜할 수 있다.At this time, the electrode yarn 130 and the lead-out electrode yarn 130a are made of Cu, which has a high melting temperature (about 1,080°C), excellent electrical conductivity, and is relatively inexpensive compared to silver (Ag). It can be easily soldered to the connection pattern 201 of the circuit board 200.
따라서 본 발명에 따른 납땜이 가능한 생체신호 측정용 전기전도성 섬유(100)는, 생체신호 측정 장치나 센서 등에 용이하게 사용할 수 있다.Therefore, the electrically conductive fiber 100 for measuring biosignals that can be soldered according to the present invention can be easily used in biosignal measurement devices or sensors.
상술한 바와 같이 본 발명은 도면에 도시된 일 실시예를 참고로 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 실시예가 가능하다는 점을 이해할 것이다.As described above, the present invention has been described with reference to an embodiment shown in the drawings, but this is merely illustrative, and various modifications and equivalent embodiments can be made by those skilled in the art. You will understand.
따라서 본 발명의 진정한 보호 범위는 첨부된 청구범위에 의해서만 정해져야 할 것이다.Therefore, the true scope of protection of the present invention should be determined only by the appended claims.
100. 전기전도성 섬유
110. 복합도전사
110a. 섬유사
110b. 도전층
130. 전극사
130a. 인출전극사
200. 회로기판
201. 접속패턴100. Electrically conductive fiber
110. Complex Challenger
110a. fiber yarn
110b. conductive layer
130. Electrode history
130a. Leading electrode company
200. Circuit board
201. Connection pattern
Claims (3)
상기 전극사에서 인출된 인출전극사가 생체신호 측정 장치의 회로기판의 접속패턴에 납땜되되,
상기 전극사 및 상기 인출전극사는 납땜 온도보다 높은 용융점을 갖는 금속재로 이루어진 것을 특징으로 하는 납땜이 가능한 생체신호 측정용 전기전도성 섬유.It is woven with composite conductive yarns as warp and weft yarns, and consists of electrode yarns woven with warp and weft yarns at regular intervals between the composite conductive yarns,
The lead-out electrode thread drawn from the electrode thread is soldered to the connection pattern of the circuit board of the bio-signal measurement device,
An electrically conductive fiber for measuring biosignals that can be soldered, characterized in that the electrode yarn and the lead-out electrode yarn are made of a metal material having a melting point higher than a soldering temperature.
상기 전극사 및 상기 인출전극사는 Cu를 포함하여 된 것을 특징으로 하는 납땜이 가능한 생체신호 측정용 전기전도성 섬유.According to paragraph 1,
An electrically conductive fiber for measuring biosignals that can be soldered, characterized in that the electrode yarn and the lead-out electrode yarn contain Cu.
상기 복합도전사는,
코어인 섬유사와;
상기 섬유사의 외부에 코팅된 도전층;을 포함하되,
상기 섬유사는 폴리아미드(PA)를 포함하여 되고, 상기 도전층은 은(Ag)을 포함하여 된 것을 특징으로 하는 납땜이 가능한 생체신호 측정용 전기전도성 섬유.According to paragraph 1,
The composite challenger,
fiber yarn as the core;
Including a conductive layer coated on the outside of the fiber yarn,
An electrically conductive fiber for measuring biosignals that can be soldered, characterized in that the fiber yarn contains polyamide (PA), and the conductive layer contains silver (Ag).
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