KR100556230B1 - Coil cooling device for magnetic stimulus therapeutic apparatus - Google Patents

Coil cooling device for magnetic stimulus therapeutic apparatus Download PDF

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KR100556230B1
KR100556230B1 KR1020040032738A KR20040032738A KR100556230B1 KR 100556230 B1 KR100556230 B1 KR 100556230B1 KR 1020040032738 A KR1020040032738 A KR 1020040032738A KR 20040032738 A KR20040032738 A KR 20040032738A KR 100556230 B1 KR100556230 B1 KR 100556230B1
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coil
casing
heat
heat sink
insulating oil
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KR1020040032738A
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Korean (ko)
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KR20040068508A (en
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이근용
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주식회사 씨알테크놀로지
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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
    • 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

Abstract

본 발명은 자기 치료용 코일 냉각장치에 관한 것으로, 특히 본 발명은 케이싱 내부에 코일과 절연유를 수용시키고, 케이싱의 개구부를 방열판으로 밀폐한 후 방열판을 냉각시키도록 냉각팬을 마련하여 코일에서 발생된 열이 절연유를 통해 대류현상에 의해 방열판을 통해 방출시킬 수 있도록 구성함으로써 기존의 냉각유펌프, 냉각기, 냉각유관을 이용한 냉각방식에 비하여 코일 냉각장치의 제조비용을 낮출 수 있고, 코일 냉각장치의 크기를 소형화할 수 있다.The present invention relates to a coil cooling device for magnetic therapy, and in particular, the present invention accommodates the coil and insulating oil in the casing, seals the opening of the casing with a heat sink, and provides a cooling fan to cool the heat sink. By configuring heat to be released through the heat sink through convection through insulating oil, the manufacturing cost of the coil cooling device can be lowered compared to the conventional cooling method using a cooling oil pump, a cooler, or a cooling oil pipe. Can be miniaturized.

이를 위해 본 발명은 개구부를 갖는 케이싱, 이 케이싱 내부에 수용되고, 외부전원을 제공받아 자기장을 발생시키는 코일, 케이싱 내부에 채워져 코일을 절연시키며, 코일에서 발생하는 열을 상부 측으로 전달하는 절연유, 케이싱의 개구부를 밀폐하며, 상기 절연유에 의해 전달된 열을 방열시키는 방열판을 포함한다.To this end, the present invention provides a casing having an opening, a coil accommodated inside the casing, and supplied with an external power source to generate a magnetic field, filled in the casing to insulate the coil, and an insulating oil and casing transferring heat generated from the coil to the upper side. Sealing the opening of the, and includes a heat sink for dissipating heat transferred by the insulating oil.

Description

자기 치료기용 코일 냉각장치{Coil cooling device for magnetic stimulus therapeutic apparatus}Coil cooling device for magnetic stimulus

도 1은 본 발명의 실시예에 따른 코일 냉각장치의 단면도이다.1 is a cross-sectional view of a coil cooling apparatus according to an embodiment of the present invention.

도 2는 본 발명의 실시예에 따른 코일 냉각장치의 분해사시도이다.2 is an exploded perspective view of the coil cooling apparatus according to the embodiment of the present invention.

도 3은 본 발명의 실시예에 따른 코일 냉각장치를 구비한 자기 치료기의 구성도이다.3 is a block diagram of a magnetic therapy device having a coil cooling device according to an embodiment of the present invention.

*도면의 주요 기능에 대한 부호의 설명** Description of the symbols for the main functions of the drawings *

10 : 케이싱 20 : 코일10: casing 20: coil

30 : 절연유 40 : 방열판30: insulating oil 40: heat sink

45 : 팽창부재 50 : 케이싱커버45: expansion member 50: casing cover

60 : 냉각팬60: cooling fan

본 발명은 자기 치료기에 관한 것으로, 더욱 상세하게는 통증 치료를 위해 인체조직을 자기장으로 자극하도록 코일에 펄스전류를 인가하여 자기장을 발생시킬 때, 코일에서 발생되는 열을 냉각시키는 자기 치료기용 코일 냉각장치에 관한 것이 다.The present invention relates to a magnetic therapy device, and more particularly, coil cooling for a magnetic therapy device to cool heat generated in a coil when a pulse current is applied to the coil to generate magnetic fields to stimulate human tissue with a magnetic field for pain treatment. It's about the device.

일반적으로, 자기 치료기는 코일에 펄스전류를 인가하여 자기장을 발생시키고, 발생된 자기장으로 인체조직을 자극하여 통증을 치료하는 장치이다.In general, the magnetic therapy device is a device for treating a pain by applying a pulse current to the coil to generate a magnetic field and stimulating human tissue with the generated magnetic field.

이러한 자기 치료기는 자기장 발생을 위해 코일을 구비하며, 코일에 수천 A정도의 전류를 1ms 이내의 짧은 시간에 흘려보내 코일 주변에 원하는 강도의 자기장을 발생시킨다.The magnetic therapy device includes a coil for generating a magnetic field, and generates a magnetic field having a desired intensity around the coil by flowing a current of about thousands of amps to the coil in a short time of 1 ms or less.

이때, 코일 내부에서는 약 500W~2MW 정도의 많은 열이 발생한다. 따라서, 이러한 열을 효과적으로 냉각시키지 못하면, 코일이 과열되어 인덕턴스 값이 변하게될 뿐만 아니라, 코일을 감싸는 코일케이스가 과열되는 등의 문제점으로 인해, 자기 자극을 지속적으로 수행할 수 없는 문제점이 있다.At this time, a lot of heat is generated in the coil of about 500W ~ 2MW. Therefore, if the heat is not cooled effectively, not only the coil is overheated and the inductance value is changed, but also due to problems such as overheating of the coil case surrounding the coil, there is a problem in that magnetic stimulation cannot be continuously performed.

이를 해결하기 위해 한국 공개특허공보 공개번호 특2003-0065126에서는 코일을 감싸는 코일케이스, 냉각유펌프, 냉각기를 냉각유관을 이용하여 순환구조로 연결하고, 냉각유관에 냉각유를 흘려 코일에서 발생된 열에 의해 덥혀진 코일케이스내의 냉각유를 냉각기에서 냉각시킨 후 다시 코일케이스내로 순환시켜 코일의 냉각시킨다.In order to solve this problem, Korean Patent Laid-Open Publication No. 2003-0065126 discloses a coil case surrounding a coil, a cooling oil pump, and a cooler connected to a circulation structure by using a cooling oil pipe, and flowing cooling oil through the cooling oil pipe to heat generated from the coil. The cooling oil in the coiled case heated by the cooler is cooled in a cooler and then circulated back into the coiled case to cool the coil.

그러나, 이러한 방식은 냉각유펌프, 냉각기, 냉각유관을 별도로 구비하므로 전체 제조비용이 증가하고, 코일 냉각장치의 크기가 커져 소형화하기 어려운 문제점이 있다.However, this method has a problem that it is difficult to miniaturize because the total manufacturing cost increases, and the size of the coil cooling device is increased since the cooling oil pump, the cooler, and the cooling oil pipe are separately provided.

본 발명은 전술한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 코일 냉각방식을 전환하여 코일 냉각장치의 제조비용을 낮출 수 있고, 코일 냉각장치의 크기를 소형화할 수 있는 자기 치료기용 코일 냉각장치를 제공하는 데 있다.The present invention is to solve the above problems, an object of the present invention is to reduce the manufacturing cost of the coil cooling apparatus by switching the coil cooling method, the coil cooling apparatus for a magnetic therapy device can be reduced in size of the coil cooling apparatus To provide.

전술한 목적을 달성하기 위한 본 발명의 자기 치료기용 코일 냉각장치는 적어도 하나의 개구부를 갖는 케이싱과, 상기 케이싱 내부에 수용되고, 외부전원을 제공받아 자기장을 발생시키는 코일과, 상기 케이싱 내부에 채워져 상기 코일을 절연시키며, 상기 코일에서 발생하는 열을 상부 측으로 전달하는 절연유와, 상기 케이싱의 개구부를 밀폐하며, 상기 절연유에 의해 전달된 열을 방열시키는 방열판을 포함함으로써 코일 냉각장치의 제조비용을 낮출 수 있으며, 그 크기를 소형화할 수 있다.Coil cooling apparatus for a magnetic therapy device of the present invention for achieving the above object is a casing having at least one opening, a coil accommodated in the casing, receiving an external power source to generate a magnetic field, and filled in the casing Insulating the coil, insulating oil for transferring the heat generated from the coil to the upper side, and a heat sink for sealing the opening of the casing, and heat dissipated heat transferred by the insulating oil to reduce the manufacturing cost of the coil cooling device Can be reduced in size.

상기 방열판에는 상기 절연유에 침수되도록 방열핀이 마련됨으로써 절연유를 통해 전달되는 열을 효과적으로 전달 받을 수 있다.The heat dissipation plate may be provided with a heat dissipation fin so as to be immersed in the insulating oil, thereby effectively receiving heat transferred through the insulating oil.

상기 방열판의 일측에는 관통홀이 형성되어 있고, 상기 관통홀에는 상기 케이싱 내부의 압력 상승시 팽창하도록 팽창부재가 마련됨으로써 지속적인 자기장 발생에 의해 코일의 온도가 상승하여 케이싱 내부의 압력이 상승하더라도 상승된 압력에 의해 팽창부재가 팽창되므로 케이싱이 팽창하여 변형되는 것을 방지할 수 있다.A through hole is formed at one side of the heat sink, and an expansion member is provided in the through hole to expand when the pressure rises in the casing, so that the temperature of the coil is increased due to continuous magnetic field generation, and thus the pressure is increased even in the casing. Since the expansion member is expanded by the pressure, it is possible to prevent the casing from expanding and deforming.

상기 방열판의 상부에는 상기 방열판으로 외부공기를 송풍하도록 냉각팬이 마련됨으로써 방열판을 효과적으로 냉각시킬 수 있다.A cooling fan is provided on the heat sink to blow external air into the heat sink, thereby effectively cooling the heat sink.

상기 자기치료기용 코일 냉각장치는 상기 케이싱과 결합되며, 상기 냉각팬 작동시, 외부공기를 흡입하고, 방열판에서 방출된 열에 의해 덥혀진 공기를 외부로 배출시킬 수 있도록 공기흡입홀과 공기배출홀이 형성된 케이싱커버를 더 포함한다.The coil cooling device for the magnetic therapy device is coupled to the casing, and when the cooling fan is operated, an air suction hole and an air discharge hole are provided to suck external air and discharge the air heated by heat emitted from the heat sink to the outside. It further comprises a casing cover formed.

이하에서는 본 발명의 바람직한 실시예를 본 도면을 참조하여 상세하게 설명하도록 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1에 도시된 바와 같이, 본 발명의 실시예에 따른 코일 냉각장치를 구비한 자기 치료기는 몸체(1)와 코일 냉각장치(2)를 포함한다. 몸체 내의 제어장치에서는 코일 냉각장치(2) 내의 코일에 펄스전류를 인가하여 자기장을 발생시키고, 발생된 자기장으로 인체조직을 자극하여 통증을 치료한다.As shown in FIG. 1, a magnetic therapy device having a coil cooling device according to an embodiment of the present invention includes a body 1 and a coil cooling device 2. The control device in the body generates a magnetic field by applying a pulse current to the coil in the coil cooling device (2), and stimulates the human tissue with the generated magnetic field to treat pain.

도 2와 도 3에 도시된 바와 같이, 본 발명의 실시예에 따른 자기 치료기용 코일 냉각장치는 상부측에 개구부(11)를 갖는 원통형 형상의 케이싱(10)을 포함한다. 이 케이싱(10) 하부에는 외부로부터 펄스전류를 공급받아 자기장을 발생시키는 코일(20)이 설치된다. 이 코일(20)은 발생된 자기장이 하부측으로 방사되도록 설치된다.As shown in Figures 2 and 3, the coil cooling apparatus for a magnetic therapy device according to an embodiment of the present invention includes a casing 10 of a cylindrical shape having an opening 11 on the upper side. The lower part of the casing 10 is provided with a coil 20 for receiving a pulse current from the outside to generate a magnetic field. The coil 20 is installed so that the generated magnetic field is radiated to the lower side.

그리고, 케이싱(10) 내부에는 코일(20)을 절연시키며, 자기장 발생시, 코일(20)에서 발생되는 열을 후술되는 방열판(40)으로 전달시키는 절연유(30)가 개구부(11) 부근까지 수용되어 있다.In addition, the casing 10 is insulated from the coil 20, and when the magnetic field is generated, the insulating oil 30 for transferring the heat generated from the coil 20 to the heat dissipation plate 40, which will be described later, is accommodated up to the vicinity of the opening 11. have.

케이싱(10)의 개구부(11)에는 원형의 실링부재(14)를 개재하여 이 개구부(11)를 밀폐하며, 절연유(30)에 의해 전달된 열을 방열시키는 방열판(40)이 설치되어 있다. 이 방열판(40)은 방열플레이트(41), 하부 방열핀(42), 상부 방열핀(43)으로 이루어지며, 방열플레이트(41)의 일측에는 케이싱(10) 내부에 취부 되는 코일(20)에 전원을 공급하는 전원연결부(44)를 설치할 수 있도록 사각형상의 전원연결홀(41a)이 형성되어 있고, 다른 일측에는 케이싱(10) 내부의 압력 상승시 팽창하도록 팽창부재(45)를 설치할 수 있도록 관통홀(41b)이 형성되어 있다. 하부 방열핀(42)은 케이싱(10) 내부에 수용되는 절연유(30)에 침수되도록 설치하여 절연유(30)에 의해 전달된 코일(20)의 열이 방열핀에 쉽게 전달되도록 한다.An opening 11 of the casing 10 is provided with a heat dissipation plate 40 for sealing the opening 11 through a circular sealing member 14 and for dissipating heat transferred by the insulating oil 30. The heat dissipation plate 40 is composed of a heat dissipation plate 41, a lower heat dissipation fin 42, and an upper heat dissipation fin 43. On one side of the heat dissipation plate 41, power is supplied to the coil 20 mounted inside the casing 10. A rectangular power connection hole 41a is formed to install the power supply connection 44 to be supplied, and the other side has a through hole to install the expansion member 45 to expand when the pressure rises inside the casing 10. 41b) is formed. The lower heat dissipation fin 42 is installed to be immersed in the insulation oil 30 accommodated in the casing 10 so that the heat of the coil 20 transferred by the insulation oil 30 can be easily transferred to the heat dissipation fin.

방열판(40)의 상부에는 상기 방열판(40)을 내부에 수용한 채로 케이싱(10)과 결합되는 케이싱커버(50)가 설치된다. 이 케이싱커버(50) 내부에는 상기 방열판(40)과 소정거리 이격된 채로 방열판(40)의 열을 공기 송풍하여 냉각시키는 냉각팬(60)이 마련되어 있다.A casing cover 50 coupled to the casing 10 is installed above the heat sink 40 while accommodating the heat sink 40 therein. Inside the casing cover 50, a cooling fan 60 is provided to cool the heat of the heat sink 40 by air blowing while being spaced apart from the heat sink 40 by a predetermined distance.

그리고, 이 케이싱커버(50)의 상부면에는 냉각팬(60) 작동시, 외부공기를 냉각팬(60)측으로 흡입시킬 수 있도록 공기흡입홀(51)이 복수 개 형성되어 있으며, 케이싱(10) 커버의 4개 측면에는 냉각팬(60)에 의해 송풍된 공기를 외부로 배출할 수 있도록 공기배출홀(52)이 복수 개 형성되어 있다.In addition, a plurality of air suction holes 51 are formed on an upper surface of the casing cover 50 to allow external air to be sucked to the cooling fan 60 when the cooling fan 60 is operated. A plurality of air discharge holes 52 are formed at four sides of the cover to discharge the air blown by the cooling fan 60 to the outside.

한편, 케이싱(10) 하부면에는 4개의 체결홈(12)이 형성되어 있으며, 이 체결홈(12)들 내부에 코일(20)을 취부한 후 체결판(13)으로 코일(20)을 누르면서 나사 조임하여 코일(20)을 케이싱(10) 하부면에 고정시킨다.On the other hand, four fastening grooves 12 are formed in the lower surface of the casing 10, and while mounting the coil 20 in the fastening grooves 12, while pressing the coil 20 with the fastening plate 13 Tighten the screw to fix the coil 20 to the lower surface of the casing (10).

방열판(40)의 하부 방열핀(42)과 상부 방열핀(43)은 방열플레이트(41)의 상하부에 각각 나사 결합됨으로써 방열플레이트(41)에 각각 고정된다. 방열플레이트(41)의 전원연결홀(41a)에는 전원프레이트(44a)와 와샤(44b)로 이루어진 전원연결부(44)를 나사 결합하여 전원연결부(44)를 방열플레이트(41)에 고정시 키며, 관통홀(41b)에는 팽창부재(45)를 와샤플레이트(45a)와 와샤(45b)를 결합한 후 나사 결합하여 팽창부재(45)를 방열플레이트(41)에 고정시킨다.The lower heat dissipation fin 42 and the upper heat dissipation fin 43 of the heat dissipation plate 40 are respectively fixed to the heat dissipation plate 41 by screwing to upper and lower portions of the heat dissipation plate 41. The power connection hole 41a of the heat dissipation plate 41 is screwed into the power connection portion 44 formed of the power plate 44a and the washer 44b to fix the power connection portion 44 to the heat dissipation plate 41. In the through-hole 41b, the expansion member 45 is combined with the washer plate 45a and the washer 45b, and then screwed to fix the expansion member 45 to the heat dissipation plate 41.

냉각팬(60)은 케이싱커버(50)의 상부측에 나사 결합되어 고정되며, 케이싱커버(50)의 상부면에는 3개의 연결홀(53)이 형성되어 있어 도 1의 몸체(1)에 마련된 지지대(70)에 연결될 수 있도록 하고 있다.The cooling fan 60 is screwed and fixed to an upper side of the casing cover 50, and three connection holes 53 are formed on the upper surface of the casing cover 50, which is provided in the body 1 of FIG. 1. It can be connected to the support (70).

그리고, 케이싱(10)과 방열판(40), 케이싱커버(50)는 결합된 채로 나사 결합시켜 상호간에 고정될 수 있도록 한다.The casing 10, the heat sink 40, and the casing cover 50 are screwed together while being coupled to each other to be fixed to each other.

이하에서는 본 발명의 실시예에 따른 자기 치료기용 코일(20) 냉각장치의 작용을 살펴보기로 한다.Hereinafter, the operation of the magnetic therapy device coil 20 cooling apparatus according to the embodiment of the present invention will be described.

코일(20)과 연결된 전선(80)을 통해 펄스전류를 공급받으면, 코일(20)에서 자기장이 발생하고, 발생된 자기장은 자기장을 투과시킬 수 있는 비자성체 재질(일예로, 플라스틱)인 케이싱(10) 특히, 케이싱(10) 하부측으로 자기장이 방사된다. 이 자기장에 의해 인체조직이 자극되어 통증등을 치료하게 된다.When a pulse current is supplied through the wire 80 connected to the coil 20, a magnetic field is generated in the coil 20, and the generated magnetic field is a nonmagnetic material (eg, plastic) that may transmit the magnetic field. 10) In particular, the magnetic field is radiated to the lower side of the casing 10. The magnetic field is stimulated by the magnetic field to treat pain and the like.

이때, 자기장 발생에 따라 코일(20)에 열이 발생하게 되는데, 발생된 열은 절연유(30)를 덥혀지고, 덥혀진 절연유(30)는 대류현상에 의해 상부측으로 상승하기 때문에 절연유(30)에 일부 침수된 방열판(40)에 쉽게 전달되며, 알루미늄과 같이 열전달계수가 높은 재질로 이루어진 방열판(40)에서는 절연유(30)를 통해 전달된 열을 방출시킴으로써 코일(20)에서 발생한 열을 냉각시키게 된다.At this time, heat is generated in the coil 20 as the magnetic field is generated. The generated heat warms the insulating oil 30, and the heated insulating oil 30 rises to the upper side due to convection. The heat sink 40 is easily transmitted to some submerged heat sink 40, and the heat sink 40 made of a material having a high heat transfer coefficient such as aluminum cools heat generated in the coil 20 by releasing heat transferred through the insulating oil 30. .

그리고, 방열판(40)은 주위공기와의 열전달을 통해 내부의 열을 방출시키므로 열전달을 효과적으로 할 수 있도록 냉각팬(60)을 작동시켜 방열판(40)의 냉각을 돕는다. 즉, 냉각팬(60)을 작동시켜 외부공기를 방열판(40)으로 흡입시켜 방열판(40)의 열로 방열판(40) 주위의 공기를 덥히고, 덥혀진 공기는 외부로 배출시켜 방열판(40)을 냉각시킨다.In addition, the heat dissipation plate 40 helps the cooling of the heat dissipation plate 40 by operating the cooling fan 60 so that heat can be effectively transmitted because the heat dissipation 40 emits heat inside the heat through the surrounding air. That is, by operating the cooling fan 60 to suck the outside air into the heat sink 40 to heat the air around the heat sink 40 by the heat of the heat sink 40, the heated air is discharged to the outside to heat the heat sink 40 Cool.

또한, 지속적인 자기장 발생에 의해 코일(20)의 온도가 상승하여 케이싱(10) 내부의 압력이 상승하게 되면, 상승된 압력에 의해 팽창부재(45)가 팽창되므로 케이싱(10)이 팽창하여 변형되는 것을 방지할 수 있다.In addition, when the temperature of the coil 20 rises due to continuous magnetic field generation and the pressure inside the casing 10 increases, the expansion member 45 expands due to the increased pressure, thereby causing the casing 10 to expand and deform. Can be prevented.

참고로, 본 발명의 실시예에 따른 코일 냉각장치를 의자 등에 설치하는 경우에는 케이싱의 바닥면 즉 자기장이 방사되는 면이 의자 밑면측에 가까이에 설치되어야 하므로, 코일 냉각장치를 거꾸로 설치해야 한다. 그러나, 이러한 경우, 의자 밑면측 가까이에 코일이 설치되어야 하므로 방열판이 위에서와 같이, 코일과 대향하는 면에 설치되는 경우에는 절연유에서 열의 대류 현상이 발생하지 않고, 코일에 가까운 곳의 절연유는 뜨겁고, 코일에서 먼 곳의 절연유는 상대적으로 뜨겁지 않은 상태로 고정되게 된다. 따라서, 이러한 경우에는 케이싱의 양측면에 복 수개의 개구부를 전체 또는 일부 크기 형성하고, 이 개구부에 방열판을 설치함으로써 방열이 효과적으로 이루어지도록 한다.For reference, in the case of installing the coil cooling device according to the embodiment of the present invention, the bottom surface of the casing, that is, the surface where the magnetic field is radiated should be installed near the bottom of the chair, the coil cooling device should be installed upside down. However, in this case, since the coil should be installed near the bottom side of the chair, when the heat sink is installed on the surface facing the coil as above, heat convection does not occur in the insulating oil, and the insulating oil near the coil is hot, Insulating oil away from the coil is held relatively unhot. Therefore, in this case, a plurality of openings are formed in all or part sizes on both side surfaces of the casing, and heat dissipation is provided in the openings so that heat dissipation is effectively performed.

이상에서 상세히 설명한 바와 같이, 본 발명은 코일 냉각방식을 전환하여 코일 냉각장치의 제조비용을 낮출 수 있는 효과가 있다.As described in detail above, the present invention has the effect of lowering the manufacturing cost of the coil cooling apparatus by switching the coil cooling method.

또한, 본 발명은 코일 냉각장치의 크기를 소형화할 수 있는 효과가 있다.In addition, the present invention has the effect of miniaturizing the size of the coil cooling device.

또한, 본 발명은 코일의 온도상승에 의해 코일 냉각장치내의 압력이 상승하 더라도 상승된 압력에 의해 팽창부재가 팽창되므로 케이싱이 팽창하여 변형되는 것을 방지할 수 있는 효과가 있다.In addition, the present invention has the effect that even if the pressure in the coil cooling apparatus increases due to the temperature increase of the coil, the expansion member is expanded by the increased pressure, thereby preventing the casing from expanding and deforming.

Claims (5)

적어도 하나의 개구부를 갖는 케이싱,A casing having at least one opening, 상기 케이싱 내부에 설치되고, 외부전원을 제공받아 자기장을 발생시키는 코일,A coil installed inside the casing and receiving an external power to generate a magnetic field, 상기 케이싱 내부에 채워져 상기 코일을 절연시키며, 상기 코일에서 발생하는 열을 전달하는 절연유,An insulating oil filled in the casing to insulate the coil and transferring heat generated from the coil; 상기 케이싱의 개구부를 밀폐하며, 상기 절연유에 의해 전달된 열을 방열시키는 방열판을 포함하는 자기치료기용 코일 냉각장치.Sealing the opening of the casing, the coil cooling apparatus for a magnetic therapy device comprising a heat sink for dissipating heat transferred by the insulating oil. 제1항에 있어서, 상기 방열판에는 상기 절연유에 침수되도록 방열핀이 마련된 것을 특징으로 하는 자기치료기용 코일 냉각장치.The coil cooling apparatus of claim 1, wherein the heat dissipation plate is provided with a heat dissipation fin to be immersed in the insulating oil. 제1항에 있어서, 상기 방열판의 일측에는 관통홀이 형성되어 있고, 상기 관통홀에는 상기 케이싱 내부의 압력 상승시 팽창하도록 팽창부재가 마련된 것을 특징으로 하는 자기치료기용 코일 냉각장치.The coil cooling apparatus of claim 1, wherein a through hole is formed at one side of the heat sink, and an expansion member is provided at the through hole to expand when the pressure inside the casing rises. 제1항에 있어서, 상기 방열판의 상부에는 상기 방열판으로 외부공기를 송풍하도록 냉각팬이 마련된 것을 특징으로 하는 자기치료기용 코일 냉각장치.The coil cooling apparatus of claim 1, wherein a cooling fan is provided at an upper portion of the heat sink to blow external air to the heat sink. 제4항에 있어서, 상기 자기치료기용 코일 냉각장치는 상기 케이싱과 결합되며, 상기 냉각팬 작동시, 외부공기를 흡입하고, 방열판에서 방출된 열에 의해 덥혀진 공기를 외부로 배출시킬 수 있도록 공기흡입홀과 공기배출홀이 형성된 케이싱커버를 더 포함하는 것을 특징으로 하는 자기치료기용 코일 냉각장치.According to claim 4, The coil cooling device for the magnetic therapy device is coupled to the casing, the suction of the air during the operation of the cooling fan, the air suction so as to discharge the air warmed by the heat emitted from the heat sink to the outside And a casing cover having a hole and an air discharge hole.
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