KR20030065126A - System for cooling stimulus coil for use in equipment using magnetic field - Google Patents
System for cooling stimulus coil for use in equipment using magnetic field Download PDFInfo
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- KR20030065126A KR20030065126A KR1020020005600A KR20020005600A KR20030065126A KR 20030065126 A KR20030065126 A KR 20030065126A KR 1020020005600 A KR1020020005600 A KR 1020020005600A KR 20020005600 A KR20020005600 A KR 20020005600A KR 20030065126 A KR20030065126 A KR 20030065126A
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- coil
- cooling oil
- magnetic pole
- cooling
- coil case
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N2/00—Magnetotherapy
- A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N2/00—Magnetotherapy
- A61N2/004—Magnetotherapy specially adapted for a specific therapy
- A61N2/006—Magnetotherapy specially adapted for a specific therapy for magnetic stimulation of nerve tissue
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Abstract
Description
본 발명은 시변(time-varying) 자기장을 이용한 자기 신경자극기나 의료용 치료장치에 관한 것으로, 특히 인체의 환부 가까이에 배치되는 자극코일에 펄스형 전류를 흘려 시변 자계를 인가하면 인체내에 와전류(eddy current)가 유도되어 인체를 자극하게 되는데, 이때 사용하는 자극코일의 내부에서 발생하는 열을 냉각시키기 위한 시스템에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic neural stimulator or medical treatment device using a time-varying magnetic field. In particular, when a time-varying magnetic field is applied to a stimulation coil disposed near an affected part of the human body, an eddy current is generated in the human body. ) Is induced to stimulate the human body, and relates to a system for cooling the heat generated inside the magnetic pole coil used.
통상, 자기자극으로 인체를 치료하기 위해서는 10Hz∼50Hz의 자극펄스를 인체의 환부에 2∼5초간 연속적으로 인가해야만 한다. 이때, 자극코일 내부에서 약 500W∼2KW정도의 많은 열이 발생하게 된다. 이 발생한 열을 효과적으로 냉각시키지 못하면, 코일케이스의 열이 순식간에 100℃이상의 과열로 되고, 또한 코일의 인덕턴스값도 변하게 되어 환자에게 위험할 뿐만 아니라 자기 신경자극기나 의료용 치료장치가 오동작하는 원인으로도 된다.In general, in order to treat the human body by magnetic stimulation, a stimulation pulse of 10 Hz to 50 Hz must be applied continuously to the affected part of the human body for 2 to 5 seconds. At this time, a large amount of heat of about 500W to 2KW is generated inside the magnetic pole coil. If the generated heat cannot be effectively cooled, the coil case heats rapidly over 100 ° C and the coil inductance value is changed, which is dangerous for the patient and causes the magnetic nerve stimulator or medical treatment device to malfunction. do.
종래, 이러한 문제를 해결하기 위한 방법의 하나로서, 일본 니혼고덴사에 의한 「Proceeding - 19th, International conference - IEEE/EMBS, Oct. 30∼Nov. 2, 1997. Chicago. IL, USA pp. 2096∼2099」가 제안되어 있다. 도 9는 종래 기술로서의 일본 니혼고덴사에 의해 제안된 코일 냉각장치의 단면도이다.Conventionally, as one of methods for solving such a problem, "Proceeding-19th, International conference-IEEE / EMBS, Oct. 30 to Nov. 2, 1997. Chicago. IL, USA pp. 2096-2099 ”have been proposed. Fig. 9 is a sectional view of a coil cooling device proposed by Nippon Goden Co., Ltd. in the prior art.
이 코일 냉각장치는, 도 9에 나타낸 바와 같이 자극코일을 이루는 4각 관통도체(43)의 내부에 냉각매체가 흐를 수 있는 도관(냉각매체 흐름용 도관; 42)을 설치하되 내부에 도관이 설치된 4각 관통도체를 복수의 층으로 상하 적층하여 설치하고, 이들 도관을 통해 냉매를 순환시킴으로써 코일의 발열을 냉각시키는 것이다.As shown in FIG. 9, the coil cooling device is provided with a conduit (cooling medium flow conduit; 42) through which a cooling medium can flow in a quadruple through conductor 43 constituting a magnetic pole coil. The four through conductors are stacked in a plurality of layers, and the refrigerant is circulated through these conduits to cool the heat generated by the coil.
그렇지만, 이러한 종래 기술에 따른 코일 냉각장치에서는 다음과 같은 문제가 있었다.However, the coil cooling apparatus according to the prior art has the following problems.
첫째로, 4각 관통도체(43)마다 내부에 냉각매체 흐름용 도관(42)을 설치하기 때문에, 자극 코일을 이루는 도체의 크기가 커질 수밖에 없고, 그에 따라 작은 크기의 코일을 만들기 어렵다는 문제가 있었다.First, since the conduit 42 for cooling medium flow is installed inside each of the four through conductors 43, the size of the conductor constituting the magnetic pole coil is inevitably increased, thereby making it difficult to form a small coil. .
둘째로, 자기장이 국부적으로 집중되도록 하기 위해서는 코일의 직경이 작아야 하고, 자기자극에 필요로 되는 충분한 자기장을 발생시키기 위해서는 코일의 턴(turn: 권회)수를 증가시켜야 하므로 복수의 층으로 상하 적층을 하지 않으면 안되는데, 이 경우에 코일의 두께가 적층에 의해 두꺼워지므로 자기장 발생의 효율이 떨어진다는 문제가 있었다.Secondly, in order for the magnetic field to be concentrated locally, the diameter of the coil must be small, and in order to generate a sufficient magnetic field required for magnetic stimulation, the number of turns of the coil must be increased. In this case, since the thickness of the coil is increased by lamination, there is a problem that the efficiency of magnetic field generation is lowered.
본 발명은, 상기한 종래 기술에 따른 코일 냉각장치나 그 냉각방식보다 훨씬효과적인 냉각효율을 가지고, 국부적으로 집중되어 강한 자기장을 발생할 수 있도록 코일을 밀착하여 횡방향으로 감음으로써 보다 작은 코일형태로 코일을 구현하는데 그 목적이 있다. 그리고, 이를 통하여 자기장 발생의 효율이 좋고, 연속적인 자기자극 시에 발생하는 열을 신속히 냉각할 수 있는 자극코일 냉각시스템을 제공하고자 하는 것이다.The present invention has a much more effective cooling efficiency than the coil cooling apparatus or the cooling method according to the prior art described above, and coils in a smaller coil form by winding the coil in close and lateral directions so as to generate a localized concentrated strong magnetic field. The purpose is to implement In addition, through this, the magnetic field generation efficiency is good, and to provide a stimulation coil cooling system capable of rapidly cooling the heat generated during continuous magnetic stimulation.
도 1은 본 발명에 따른 코일케이스의 외형을 나타낸 도면,1 is a view showing the appearance of the coil case according to the present invention,
도 2는 본 발명에 따른 코일케이스의 모식적인 분해사시도,2 is a schematic exploded perspective view of a coil case according to the present invention;
도 3은 도 1의 A-A'선에 따른 단면도,3 is a cross-sectional view taken along line AA ′ of FIG. 1;
도 4는 본 발명에 따른 코일케이스 몸체를 나타낸 사시도,4 is a perspective view showing a coil case body according to the present invention;
도 5는 본 발명에 따른 코일케이스 몸체를 나타낸 평면도,5 is a plan view showing a coil case body according to the present invention;
도 6은 도 5의 개방형 코일케이스 몸체의 냉각유 가이드링을 나타낸 평면도,Figure 6 is a plan view showing the cooling oil guide ring of the open coil case body of Figure 5,
도 7은 본 발명에 따른 코일케이스 덮개의 내부 사시도,7 is an internal perspective view of the coil case cover according to the present invention;
도 8은 본 발명에 따른 코일케이스 덮개의 외부 평면도,8 is an outer plan view of the coil case cover according to the present invention;
도 9는 종래 기술에 따른 코일 냉각장치의 단면도이다.9 is a cross-sectional view of the coil cooling apparatus according to the prior art.
* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
1: 코일케이스 덮개 2: 자극코일1: coil case cover 2: magnetic pole coil
3: 코일케이스 몸체11: 코일케이스 덮개의 냉각유 분리격벽3: Coil case body 11: Separation partition of cooling oil in coil case cover
12: 코일케이스 덮개의 냉각유 가이드링12: Cooling oil guide ring of coil case cover
13: 코일케이스 온도센서31: 코일케이스 커버 가이드13: coil case temperature sensor 31: coil case cover guide
32: 코일케이스 몸체의 냉각유 가이드링32: Cooling oil guide ring of coil case body
33: 코일 인입부34: 코일 출력부33: coil inlet 34: coil output
35: 냉각유 인입구36: 냉각유 배출구35: cooling oil inlet 36: cooling oil outlet
37: 코일케이스 내부온도센서38: 냉각유 배출부37: internal temperature sensor of the coil case 38: cooling oil discharge part
39: 냉각유 인입부40: 냉각유흐름 차단막/코일고정 가이드39: Cooling oil inlet 40: Cooling oil flow blocking film / coil fixing guide
41: 코일케이스 몸체의 냉각유 분리격벽41: Cooling oil separation partition of coil case body
42: 냉각매체 흐름용 도관43: 4각 관통 도체42: conduit for flow of cooling medium 43: quadruple through conductor
본 발명에서는, 상기의 목적을 달성하기 위하여 냉각유 순환방식의 코일케이스를 개발하였다.In the present invention, to achieve the above object, a coil case of a cooling oil circulation method was developed.
본 발명의 코일케이스는, 둥근 원기둥 모양의 케이스 한쪽 면에 냉각유의 유입 및 배출과 전류의 입력 및 출력을 위한 자극코일 및 냉각유 인입구/배출구를 갖추고 있다. 자극코일에는 고압, 고전류가 흐르는데, 이 자극코일의 상하면에 냉각유를 흘려 코일을 냉각시키는 구조로 함으로써, 상기 목적을 달성하고 있다.The coil case of the present invention includes a magnetic pole coil and a cooling oil inlet / outlet for inputting and outputting cooling oil and input and output of cooling oil on one side of a round cylindrical case. A high pressure and a high current flow through the magnetic pole coil. The above object is achieved by cooling the coil by flowing cooling oil on the upper and lower surfaces of the magnetic pole coil.
이러한 코일케이스를 이용한 본 발명에 따른 자극코일 냉각시스템은, 시변 자기장을 이용하는 기기에 있어서, 자기장을 발생하는 자극코일과,The magnetic pole coil cooling system according to the present invention using such a coil case, in a device using a time-varying magnetic field, the magnetic pole coil for generating a magnetic field,
상기 자극코일의 표면을 냉각시키는 냉각유와 냉각유의 흐름을 일정한 방향으로 유지시키는 코일케이스를 구비하여 이루어진 것을 특징으로 한다.It characterized in that it comprises a coil case for maintaining the flow of the cooling oil and the cooling oil to cool the surface of the magnetic pole coil in a constant direction.
또, 상기 코일케이스의 안쪽 바닥면에 냉각유 흐름 가이드링을 1개 이상 설치하거나, 혹은 상기 코일케이스 덮개의 안쪽 바닥면에 냉각유 흐름 가이드링을 1개 이상 설치하도록 해도 좋다. 이 경우, 상기 냉각유 흐름 가이드링은 상기 코일케이스의 중심으로부터 외곽까지 소정의 간격으로 원형으로 배치되고, 일정한 높이를 갖는다. 또, 상기 냉각유 흐름 가이드링은 0.01mm∼10mm의 폭과, 10mm이내의 높이를 갖는다. 더욱이, 상기 냉각유 흐름 가이드링은 일부 구간이 개방되어 있어도 좋다.In addition, one or more cooling oil flow guide rings may be provided on an inner bottom surface of the coil case, or one or more cooling oil flow guide rings may be provided on an inner bottom surface of the coil case cover. In this case, the cooling oil flow guide ring is disposed in a circular shape at a predetermined interval from the center of the coil case to the outside, and has a constant height. The cooling oil flow guide ring has a width of 0.01 mm to 10 mm and a height of 10 mm or less. Moreover, the section of the cooling oil flow guide ring may be open.
또, 상기 코일케이스의 내부에 있어서 자극코일 외곽과 상기 코일케이스 덮개의 가이드 내벽 사이에 냉각유의 흐름을 차단하는 냉각유 흐름 차단막을 설치하도록 해도 좋다. 이 경우, 상기 냉각유 흐름 차단막은 고무, 합성수지, 실리콘 등의 절연성 재질로 구성된다.A cooling oil flow blocking film may be provided between the magnetic pole coil and the inner wall of the guide of the coil case cover to block the flow of cooling oil in the coil case. In this case, the cooling oil flow blocking film is made of an insulating material such as rubber, synthetic resin, and silicon.
더욱이, 상기 코일케이스 몸체의 내면과 코일케이스 덮개의 내면에 있어서 냉각유 인입부와 냉각유 배출부 사이에 중심에서부터 외곽까지 소정의 폭과 높이를 갖는 냉각유 분리격벽을 더 구비하도록 해도 좋다. 이 경우, 상기 냉각유 분리격벽의 높이는 상기 냉각유 흐름 가이드링의 높이와 같다.Furthermore, a cooling oil separation partition having a predetermined width and height may be further provided between the cooling oil inlet and the cooling oil outlet in the inner surface of the coil case body and the inner surface of the coil case cover. In this case, the height of the cooling oil separation partition is equal to the height of the cooling oil flow guide ring.
(실시예)(Example)
이하, 예시도면을 참조하면서 본 발명의 실시예를 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명에 따른 코일케이스의 외형을 나타낸 도면, 도 2는 본 발명에 따른 코일케이스의 모식적인 분해사시도, 도 3은 도 1의 A-A'선에 따른 단면도, 도 4는 본 발명에 따른 코일케이스 몸체를 나타낸 사시도, 도 5는 본 발명에 따른 코일케이스 몸체를 나타낸 평면도, 도 6은 도 5의 개방형 코일케이스 몸체의 냉각유 가이드링을 나타낸 평면도, 도 7은 본 발명에 따른 코일케이스 덮개의 내부 사시도, 도 8은 본 발명에 따른 코일케이스 덮개의 외부 평면도를 각각 나타낸다.1 is a view showing the appearance of the coil case according to the present invention, Figure 2 is a schematic exploded perspective view of the coil case according to the present invention, Figure 3 is a cross-sectional view taken along line AA 'of Figure 1, Figure 4 is the present invention 5 is a plan view showing a coil case body according to the present invention, FIG. 5 is a plan view showing a coil case body according to the present invention, FIG. 6 is a plan view showing a cooling oil guide ring of the open coil case body of FIG. 5, and FIG. 7 is a coil according to the present invention. Internal perspective view of the case cover, Figure 8 shows an outer plan view of the coil case cover according to the present invention, respectively.
본 발명의 코일케이스는, 도 1에 나타낸 코일케이스 외형도와 도 2에 나타낸코일케이스의 모식적인 분해사시도로부터 알 수 있는 바와 같이, 둥근 원기둥 모양의 케이스 한쪽 면에 냉각유의 유입 및 배출과 전류의 입력 및 출력을 위한 자극코일 및 냉각유 인입구/배출구를 갖추고 있다. 자극코일에는 고압, 고전류가 흐르고, 이 자극코일의 상하면에 냉각유를 흘려 코일을 냉각시키는 구조로 하고 있다.In the coil case of the present invention, as can be seen from the coil case outline shown in FIG. 1 and the schematic exploded perspective view of the coil case shown in FIG. And magnetic pole coil and cooling oil inlet / outlet for output. The high pressure and high current flow through the magnetic pole coil, and the cooling oil flows through the upper and lower surfaces of the magnetic pole coil to cool the coil.
도 2에 나타낸 코일케이스의 모식적인 분해사시도로부터 알 수 있는 바와 같이, 코일케이스는 코일케이스 덮개(1)와, 코일케이스 내에 위치하여 전류가 흐름에 따라 자기장을 생성하는 원반형태의 자극코일(2) 및, 코일케이스 몸체(3)로 구성되어 있다. 코일케이스 몸체(3)와 코일케이스 덮개(1) 사이에는 자극코일(2)이 배치되고, 코일케이스 몸체(3)와 자극코일(2) 사이에는 일정한 공간을 마련하여 냉각유가 그 사이를 흘러 냉각을 행하도록 되어 있으며, 마찬가지로 코일 케이스 덮개(1)와 자극코일(2) 사이에도 일정한 공간을 마련하여 그 사이를 냉각유가 흘러 냉각을 행하도록 되어 있다. 즉, 자극코일 외부에서 유입되어 코일케이스 내부로 흐르는 냉각유에 의해 자극코일(2)을 냉각시키도록 코일케이스가 구성되어 있다.As can be seen from the schematic exploded perspective view of the coil case shown in FIG. 2, the coil case is located in the coil case cover 1 and a coil shaped magnetic pole coil 2 that generates a magnetic field as the current flows. ), And the coil case body (3). A magnetic pole coil 2 is disposed between the coil case body 3 and the coil case cover 1, and a constant space is provided between the coil case body 3 and the magnetic pole coil 2 so that cooling oil flows therebetween to cool it. Similarly, a constant space is also provided between the coil case cover 1 and the magnetic pole coil 2, and cooling oil flows between them to perform cooling. That is, the coil case is configured to cool the magnetic pole coil 2 by the cooling oil flowing out of the magnetic pole coil and flowing into the coil case.
도 3, 도 4 및 도 7은 코일케이스의 내부구조 및 동작을 설명하기 위한 도면으로, 이들 도면에 나타낸 바와 같이 코일케이스 내부를 순환하면서 자극코일의 위, 아래를 감싸고서 냉각시키는 냉각유는, 냉각유 펌프에 의해 냉각유 인입구(35) 및 냉각유 인입부(39)를 통하여 코일케이스 내부로 들어가도록 밀어내어진다(본 도면에서는 냉각유 펌프 부분은 그 도시를 생략하였음). 케이스 내부의 냉각유 인입부(39)로 들어온 차가운 냉각유는 펌프압에 의하여 자극코일(2)이 장착된 부분까지 들어오고, 다시 자극코일 아래면과 코일케이스 몸체 윗면 또는 자극코일 윗면과 코일케이스 덮개 바닥면 사이의 공간으로 흘러가며, 냉각유 가이드링(32)을 따라 코일 상하면에서 코일 평면으로 회전하면서 흘러 냉각유 배출부(38)로 모이게 된다. 이때, 자극코일에서 발생한 열은 냉각유에 의해 흡열되고, 이로써 자극코일이 냉각되며, 냉각유는 냉각유 배출구(36)를 통하여 외부의 열 발산기(냉각기)로 보내진다(외부의 열 발산기 역시 본 도면에서는 그 도시를 생략하였음).3, 4 and 7 are views for explaining the internal structure and operation of the coil case, and as shown in these figures, the cooling oil for cooling by wrapping up and down the magnetic pole coil while circulating inside the coil case, It is pushed by the cooling oil pump to enter the coil case through the cooling oil inlet 35 and the cooling oil inlet 39 (in this figure, the cooling oil pump part is not shown). Cooling coolant flowing into the cooling oil inlet (39) inside the case enters the portion where the magnetic pole coil (2) is mounted by the pump pressure, and again the lower magnetic pole coil and the upper side of the coil case body or the upper side of the magnetic pole coil and the coil case. It flows into the space between the bottom surface of the cover and flows along the cooling oil guide ring 32 while rotating in the coil plane from the upper and lower surfaces of the coil and collected at the cooling oil discharge part 38. At this time, the heat generated from the magnetic pole coil is absorbed by the cooling oil, thereby cooling the magnetic pole coil, the cooling oil is sent to the external heat dissipator (cooler) through the cooling oil outlet 36 (external heat dissipator also The illustration is omitted in the drawing).
또한, 코일케이스 내에서 냉각유가 일정한 방향으로 흘러 자극코일을 균일하게 냉각시키도록 하기 위해, 코일케이스 몸체(3)와 코일케이스 덮개(1)의 안쪽 면에 각각의 냉각유 흐름 가이드링(12,32)을 원형으로 설치하고 있다. 상기 냉각유 흐름 가이드링(12,32)은 상기 코일케이스의 중심으로부터 외곽까지 소정의 간격으로 원형으로 배치되고, 일정한 높이를 갖는다. 또, 상기 냉각유 흐름 가이드링(12,32)은 0.01mm∼10mm의 폭과, 10mm이내의 높이를 갖는다. 더욱이, 상기 냉각유 흐름 가이드링(12,32)은 일부 구간이 개방되어 있어도 좋다.In addition, in order to ensure that the cooling oil flows in a constant direction in the coil case to uniformly cool the magnetic pole coils, the respective cooling oil flow guide rings 12 and the inner surface of the coil case body 3 and the coil case cover 1 are provided. 32) is installed in a circular shape. The cooling oil flow guide rings 12 and 32 are arranged in a circular shape at predetermined intervals from the center of the coil case to the outside thereof and have a constant height. The cooling oil flow guide rings 12 and 32 have a width of 0.01 mm to 10 mm and a height of 10 mm or less. Furthermore, some sections of the cooling oil flow guide rings 12 and 32 may be open.
또, 공간적으로 자극코일(2)을 정위치에 고정함과 더불어 불필요한 냉각유 흐름을 차단하기 위하여 코일케이스 덮개 가이드(31)의 내부와 자극코일(2) 사이에 다수의 냉각유 흐름 차단막/코일고정 가이드(40)를 설치하고, 냉각유가 냉각유 인입부(39)에서 자극코일 위를 거치지 않고 바로 냉각유 배출부(38)로 가는 것을 방지하기 위하여 코일케이스 몸체(3)와 코일케이스 덮개(1) 내부의 표면에 길고 가늘며 냉각유 가이드링과 같은 높이의 냉각유 분리격벽(11,41)을 각각 설치하고 있다. 이 경우, 상기 냉각유 흐름 차단막은 고무, 합성수지, 실리콘 등의 절연성 재질로 구성되고, 상기 냉각유 분리격벽의 높이는 상기 냉각유 흐름 가이드링의 높이와 같다. 한편, 냉각유의 흐름은 적정한 냉각효율을 감안하여 분당 2∼3리터 정도로 되도록 하는 것이 바람직하다.In addition, a plurality of cooling oil flow blocking membranes / coils are provided between the inside of the coil case cover guide 31 and the magnetic pole coil 2 in order to fix the magnetic pole coil 2 in position and block unnecessary cooling oil flow. The coil guide body 3 and the coil case cover are installed to prevent the cooling oil from going directly to the cooling oil discharge part 38 without passing through the magnetic pole coil from the cooling oil inlet part 39. 1) Cooling oil separating partitions 11 and 41 are installed on the surface of the inside, long and thin, and the same height as the cooling oil guide ring. In this case, the cooling oil flow blocking film is made of an insulating material such as rubber, synthetic resin, silicon, and the height of the cooling oil separation partition is equal to the height of the cooling oil flow guide ring. On the other hand, it is preferable to make the flow of cooling oil into about 2 to 3 liters per minute in consideration of appropriate cooling efficiency.
더욱이, 도 5의 코일케이스 몸체 평면도와 도 8의 코일케이스 덮개의 외부 평면도에서 보여지는 바와 같이, 코일의 온도상승을 검출하기 위하여 코일케이스 내부(도 5 참조)와 코일케이스 덮개 윗부분(도 8 참조)에 온도센서(13,37)를 부착하여 온도를 감지하도록 해도 좋다. 이 경우, 냉각시스템의 고장시에 전체 시스템에 경고를 보내 장비사용을 중단할 수 있도록 하는 온도감시장치를 구현하면 좋다.Furthermore, as shown in the coil case body plan view of FIG. 5 and the outer plan view of the coil case cover of FIG. 8, the coil case inside (see FIG. 5) and the coil case cover upper portion (see FIG. 8) to detect the temperature rise of the coil. May be attached to the temperature sensors 13 and 37 to sense the temperature. In this case, you can implement a temperature monitor that warns the entire system in the event of a cooling system failure and stops the use of the equipment.
본 발명은 상기 실시예에 의거 기재했지만, 이 개시(開示)의 일부를 이루는 논술 및 도면은 이 발명을 한정하는 것이라고 이해해서는 안된다. 이 개시로부터 당업자에게는 여러 가지의 대체 실시형태, 실시예 및 운용기술이 명백하게 될 것이다.Although this invention was described based on the said Example, the description and drawings which form a part of this indication should not be understood that it limits this invention. Various alternative embodiments, examples and operational techniques will become apparent to those skilled in the art from this disclosure.
예컨대, 상기 실시예에 따른 자극코일 냉각시스템은 시변 자기장을 이용한 의료용 치료장치 또는 자기 신경자극기에 본 발명을 적용한 경우를 설명했지만, 본 발명은 자기장을 이용하는 어떠한 기기에도 적용할 수 있다.For example, the stimulation coil cooling system according to the embodiment has been described a case where the present invention is applied to a medical treatment device or a magnetic nerve stimulator using a time-varying magnetic field, the present invention can be applied to any device using a magnetic field.
이와 같이, 본 발명은 여기서는 기재하고 있지 않은 여러 가지의 실시형태 등을 포함하는 것은 물론이다. 따라서, 본 발명의 기술적 범위는 하기의 타당한 특허청구범위에 따른 발명의 특정사항에 의해서만 정해지는 것이다.As described above, it is a matter of course that the present invention includes various embodiments which are not described herein. Accordingly, the technical scope of the present invention is defined only by the specifics of the invention according to the following reasonable claims.
이상 설명한 바와 같이 본 발명에 의하면, 자극코일의 외부 표면에서 냉각유로 냉각시킬 경우, 자극코일을 소형으로 하고, 밀착하여 제작할 수 있으며, 따라서동일한 크기의 자극코일에서 많은 양의 자기장을 발생할 수 있어 효율적인 자기자극 시스템을 만들 수 있으며, 연속적인 자기자극 펄스 인가시에 발생하는 열을 효과적으로 냉각시킬 수 있다.As described above, according to the present invention, when cooling with the cooling oil on the outer surface of the magnetic pole coil, the magnetic pole coil can be made small and in close contact with each other. Therefore, a large amount of magnetic field can be generated from the magnetic pole coil of the same size. It is possible to make a magnetic stimulation system and to effectively cool the heat generated by applying a continuous magnetic stimulation pulse.
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