KR900000095Y1 - Equivalent heating apparatus for microwave range - Google Patents
Equivalent heating apparatus for microwave range Download PDFInfo
- Publication number
- KR900000095Y1 KR900000095Y1 KR2019870003359U KR870003359U KR900000095Y1 KR 900000095 Y1 KR900000095 Y1 KR 900000095Y1 KR 2019870003359 U KR2019870003359 U KR 2019870003359U KR 870003359 U KR870003359 U KR 870003359U KR 900000095 Y1 KR900000095 Y1 KR 900000095Y1
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- South Korea
- Prior art keywords
- antenna
- waveguide
- waveguide antenna
- heating
- heating device
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/72—Radiators or antennas
- H05B6/725—Rotatable antennas
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/70—Feed lines
- H05B6/707—Feed lines using waveguides
- H05B6/708—Feed lines using waveguides in particular slotted waveguides
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
내용 없음.No content.
Description
제1도는 종래의 초고주파 가열장치의 회전도파관 안테나 설치 상태 단면도.1 is a cross-sectional view of a rotating waveguide antenna installed state of a conventional ultra-high frequency heating device.
제2도는 종래의 회전도파관 안테나의 사시도.2 is a perspective view of a conventional rotary waveguide antenna.
제3도는 본 고안에 따른 회전도파관 안테나의 사시도3 is a perspective view of a rotary waveguide antenna according to the present invention
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 가열기기 2 : 가열실1: heating apparatus 2: heating chamber
4 : 회전도파관안테나 5, 6 : 통공4: rotating waveguide antenna 5, 6: through hole
L : 안테나의 가로폭 λg : 관파파장L: Antenna width λg: Tube wavelength
본 고안은 초고주파 가열장치에 유효 용적율을 넓히기 위해 가열실의 바닥에 설치하는 전송시스템에 관한것으로 특정지역의 전계분포 취약시 이를 보완하기 위해 회전도파관 안테나의 상면을 개선한 초고주파 가열장치의 균일 가열 장치에 관한 것이다.The present invention relates to a transmission system installed at the bottom of the heating chamber to increase the effective volume ratio of the microwave heating device. The uniform heating device of the microwave heating device with an improved top surface of the rotary waveguide antenna to compensate for the weak electric field distribution in a specific area. It is about.
종래의 초고주파 가열장치는 제1도에 도시된 바와같이 일정한 용적을 갖는 가열실(2)의 하단에 공간을 띄워 음식물 받침용 세라믹 플레이트(3)를 설치하였고, 하단의 공간에 회전도파관안톄나(4)를 설치하여 안테나의 회전축(4a)이 가열실 저면에 부착하는 고정도파관(7)의 회전용 모터(9)와 연결되게 구성하였고 고정도파관(7) 일측에는 발진판(8)을 설치한 구성으로 이루어져 있고 발진판(8)의 동작으로 가열장치가 구동한다.Conventional ultra-high frequency heating apparatus floats a space at the bottom of the heating chamber (2) having a constant volume, as shown in Figure 1, installed a ceramic plate (3) for food support, the rotating waveguide antenna ( 4) is installed so that the rotating shaft 4a of the antenna is connected to the rotating motor 9 of the high waveguide 7 attached to the bottom of the heating chamber, and the oscillation plate 8 is installed on one side of the high waveguide 7. It consists of a structure and a heating apparatus is driven by the operation of the oscillation plate 8.
발진판(8)에서 발진한 초고주파는 고정도파관(7)을 통하여 도파관 가로폭(L)에 따라서 λg(파장)형태가 바뀌며, 전계와 자계의 형상을 나타내는 TE l0자태(모우드)로 전파된다.The ultra-high frequency oscillated by the oscillation plate 8 changes through the fixed waveguide 7 according to the waveguide width L, and the shape of λg (wavelength) is propagated to the TE l0 (mode) indicating the shape of the electric field and the magnetic field.
전파된 전파는 고정 도파관(7)내부의 유도안테나(10)로 유도되어 회전용 모터(9)의 회전에 따라서 회전도파관 안테나(4)의 회전과 함께 TE 10 모우드가 가열실 안으로 전파되어 형성되는 모우드에 의해 가열실에서는 가열이 실시된다.The propagated radio wave is guided to the induction antenna 10 inside the fixed waveguide 7 so that the TE 10 mode propagates into the heating chamber together with the rotation of the rotary waveguide antenna 4 according to the rotation of the rotary motor 9. The heating is performed in the heating chamber by the mode.
그러나 이때 가열실의 크기가 장방형 형태인 경우 제2도와 같이 구성된 회전도파관 안테나의 반경이 가열실의 좁은 폭에 한정되어 있어서, 회전 도파관 안테나의 좌우 회전방향에서 나오는 전파모우드가 균일전계를 가열실에 전파시키는데 한계가 있었다.However, in this case, when the size of the heating chamber is a rectangular shape, the radius of the rotary waveguide antenna configured as shown in FIG. 2 is limited to a narrow width of the heating chamber, so that a radio wave emitted from the left and right rotation directions of the rotating waveguide antenna causes a uniform electric field to be applied to the heating chamber. There was a limit to propagation.
이러한 문제점을 해결하기 위해 안출한 본 고안은 회전 도파관 안테나의 상면에 수개의 통공을 뚫어 형성하되, 전계 방향의 크기과 안테나 가로폭(L)에 따른 적당한 크기로 뚫어, 회전도파관 안테나의 좌우 출구로 전파가 빠져 나가기 전에 통공에 의하여 전계를 고르게 해주는 효과가 나타나는 것으로 이를 첨부도면으로 상세히 설명하면 다음과 같다.The present invention devised to solve this problem is formed by drilling a number of holes in the upper surface of the rotary waveguide antenna, the appropriate size according to the size of the electric field direction and the antenna width (L), and propagates to the left and right exit of the rotary waveguide antenna Before exiting, the effect of leveling the electric field by the air hole is described.
제3도는 본 고안에 따른 회전도파관안테나의 사시도인 것으로 회전도파관안테나(4)의 상면에수개의통공(5)(6)을 적당한 배열과 크기로 천공시켜 형성한다.3 is a perspective view of a rotating waveguide antenna according to the present invention, and is formed by drilling a plurality of through holes 5 and 6 in an appropriate arrangement and size on an upper surface of the rotating waveguide antenna 4.
상기의 통공(5)(6)을 천공시키되 통공(5)(6)들의 간격은 도파관 관내파장 λ g으로 하고, 통공(5)(6)의 크기는 전계 방향의크기로 한다.The through holes (5) and (6) are drilled, and the distance between the through holes (5) and (6) is a waveguide tube wavelength λ g, and the size of the through holes (5) and (6) is in the electric field direction. I do it in size.
따라서 회전도파관 안테나(4)의 가로폭(L)에 따라서 정해지는 관내파장 λ g 에 따라서 달라지게 된다.Therefore, it depends on the internal wavelength λ g determined by the width L of the rotary waveguide antenna 4.
이러한 구성으로 이루어진 본 고안은 제1도와 같은 가열장치에서 발진관(8)에 의해 초고주파가 발진되면 기존의 과정과 같이 고정도파관(7)의 유도안테나(10)에 유도되어 회전용 모터(9)의 회전에 따라서 회전도파관안테나(4)의 회전과 함께 고정도파관내에서 형성되어 회전도파관 안테나 관내로 전달된 TE 10모우드는 좌우출구로 배출되기전에 균일 가열이 취약한 도파관 상단의 전계분포가 고르게 되어, 균일한 가열을 할수 있게 된다.When the high frequency oscillation is generated by the oscillation tube 8 in the heating apparatus as shown in FIG. 1, the present invention having such a configuration is guided to the induction antenna 10 of the high-frequency waveguide 7 as in the conventional process, thereby rotating the motor 9. TE 10 mode formed in the fixed waveguide with the rotation of the rotating waveguide antenna 4 and transmitted to the rotating waveguide antenna tube according to the rotation of the electric field distribution at the top of the waveguide, which is weak in uniform heating, is discharged before being discharged to the left and right exits. Uniform heating is possible.
따라서 가열실(2)이 장방형일 경우에도 회전도파관 안테나(4)의 구성에 의해 특정한 부분에도 균일한 전계분포가 이루어지는 효과가 있다.Therefore, even when the heating chamber 2 is rectangular, the structure of the rotary waveguide antenna 4 has an effect that a uniform electric field distribution is made to a specific portion.
또한 가급적 넓은 방향으로의 균일 가열효과를 내기 위해서는 회전 도파관안테나(4)의 가로폭(L)을 줄여서 관내파장 λ g 을 늘리며, 좁은 범위의 균일 가열효과를 얻기 위해서는 도파관 안테나의 가로폭(L)을 넓혀서 관내파장을 줄인다.In addition, the width (L) of the rotating waveguide antenna (4) is reduced to increase the tube wavelength (λ g) in order to obtain a uniform heating effect in the wide direction as much as possible, and the width (L) of the waveguide antenna is used to obtain a uniform heating effect in the narrow range. Widen to reduce the tube wavelength.
그리고 회전도파관의 중심선에 통공을 형성하는 것은 피하는 것이 좋다.And it is better to avoid the formation of a hole in the center line of the rotating waveguide.
이상에서와 같이 본 고안은 장방형 형태의 초고주파 가열장치에 있어서 가열실 바닥에 설치된 회전도파관 안테나의 회전반경한계로 전계분포의 불균일시에 균일한 분포로 만드는데 용이하게 균일가열 효과를 얻을수 있고 제작단가가 매우 저렴할뿐 아니라 별도의 시설을 필요로 하지 않으면서 기존의 시설로 쉽게 수정 생산할수 있고 가열기기의 품질을 고급화 시키는 실용적인 것이다.As described above, the present invention can easily obtain uniform heating effect to make uniform distribution in the case of non-uniformity of electric field distribution due to the rotation radius limit of the rotary waveguide antenna installed on the floor of the heating chamber in the rectangular type ultra-high frequency heating device. It is very inexpensive and can be easily modified and produced with existing facilities without the need for a separate facility, and it is practical to improve the quality of heating equipment.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870003359U KR900000095Y1 (en) | 1987-03-17 | 1987-03-17 | Equivalent heating apparatus for microwave range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870003359U KR900000095Y1 (en) | 1987-03-17 | 1987-03-17 | Equivalent heating apparatus for microwave range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR880018815U KR880018815U (en) | 1988-10-29 |
| KR900000095Y1 true KR900000095Y1 (en) | 1990-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019870003359U KR900000095Y1 (en) | 1987-03-17 | 1987-03-17 | Equivalent heating apparatus for microwave range |
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| Country | Link |
|---|---|
| KR (1) | KR900000095Y1 (en) |
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1987
- 1987-03-17 KR KR2019870003359U patent/KR900000095Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR880018815U (en) | 1988-10-29 |
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