CN1200460A - Device for measuring temp. of magnetron for microwave oven - Google Patents
Device for measuring temp. of magnetron for microwave oven Download PDFInfo
- Publication number
- CN1200460A CN1200460A CN 98106253 CN98106253A CN1200460A CN 1200460 A CN1200460 A CN 1200460A CN 98106253 CN98106253 CN 98106253 CN 98106253 A CN98106253 A CN 98106253A CN 1200460 A CN1200460 A CN 1200460A
- Authority
- CN
- China
- Prior art keywords
- bearing
- anode block
- radiated rib
- magnetron
- arms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/005—Cooling methods or arrangements
-
- 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
- H05B6/66—Circuits
- H05B6/666—Safety circuits
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Electric Ovens (AREA)
- Microwave Tubes (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention relates to a device which measures a microwave oven magnetron (1) through a temperature detector. The magnetron comprises a case (10) whose inner portion is provided with an anode block (11) and magnetron radiation rids (15, 15') which are extended horizontally relative to the anode block. According to the invention, the temperature detector is fixed on a holder (2) which is made from heat conducting material, and the holder is installed on at least one radiation rid (15') used to measure the temperature of the anode block.
Description
What the present invention relates to is to utilize Temperature Detector to measure the measurement mechanism of microwave oven magnetic temperature, and described magnetron comprises that an inside is equipped with the box of anode block, and the fin of magnetron is with respect to described anode block horizontal expansion.
In the micro-wave oven of the cavity that contains a formation cooking room, the load variations in the known cavity can cause the variation of standing-wave ratio, and standing-wave ratio is reflected by the variations in temperature of anode of magnetron piece, and described cavity provides energy by magnetron.
So utilize that the information comprise the anode block temperature just can know in the stove that in use abnormal conditions, these situations for example have the idle running situation, the situation of (dish, the flap etc.) situation about moving of having only the stove annex or break down in the cooling system in addition (the magnetron cooling fan does not change, the ventilating opening obstruction of stove etc.).
In currently used measurement mechanism, measure temperature with the temperature controller that is installed on the magnetron box outer surface.In addition, temperature controller is received on the power supply circuits of magnetron, so that when detecting abnormal conditions, can cut off power supply.
The major defect of this device is that the response time is oversize, can not protect magnetron effectively.
The reason that prolongs the response time is that on the one hand temperature controller is too far away from anode block, is on the other hand to require magnetron is carried out strong ventilation, and this will inevitably cause measuring mistake.
The object of the present invention is to provide the new temperature measuring equipment that a kind of response time is improved.
Measure the temperature of representing the anode block temperature on the bearing made from thermal conducting material by Temperature Detector is fixed to, thereby realize purpose of the present invention, described bearing is contained at least one fin.
For this reason, Temperature Detector is not only very near from anode block, and the ventilation of magnetron is also very little to the influence of Temperature Detector.
Can more be expressly understood further feature of the present invention by the description of doing below in conjunction with accompanying drawing, wherein:
Fig. 1 is the perspective view of magnetron of the bearing that temperature-detecting device is housed of first embodiment of the invention;
Fig. 2 is the top view of Fig. 1 bearing;
Fig. 3 is the side view of Fig. 2 bearing;
Fig. 4 is the perspective view of bearing of the temperature-detecting device of second embodiment of the invention;
Fig. 5 is the side view of Fig. 4 bearing.
Magnetron 1 shown in Figure 1 generally includes a box 10 that the anode block 11 that roughly is cylindrical shape is housed in it.The negative electrode of can't see among the figure is arranged in the anode block.When adding voltage to magnetron, anode block 11 receives the electronics that negative electrode sends.The a pair of anode block 11 that is arranged on respectively holds the cylinder-shaped magnet 12 and 13 at center that electric field is gathered together.Microwave is by antenna 14 emissions.With respect to anode block 11 fin 15 of some horizontal expansions is arranged, be used for guaranteeing the cooling of running antianode piece.
The present invention measures the temperature of box 10, but a measurement mechanism is installed, in this measurement mechanism, a hygrosensor is fixed on the bearing 2, in order not make accompanying drawing complicated, this hygrosensor is not shown among the figure, bearing is that thermal conducting material is made, and this bearing is contained at least one radiated rib 15 '.
Preferably bearing 2 is installed on the radiated rib 15 ' removably.
Among two embodiment that provide as an example in the drawings, bearing 2 is flat substantially.It comprises a base 20, and for example this base has an opening 21 of laying hygrosensor.For example utilize two tongue pieces 22 that bearing 2 is fixed on the radiated rib 15 ', tongue piece is connected with the base 20 of bearing, and forms the elasticity folder of clamping radiated rib 15 ' with this base 20.
In addition, as shown in Figure 1,23,24 20 extensions along identical direction from base of two arms are arranged, when bearing installs on the radiated rib 15 ', make these two arms be in the both sides of anode block 11.In order to guarantee that bearing 2 is stabilized on the radiated rib securely, the rear portion that like that free end of two arms 23 is folded into with meeting at right angles fin that can be shown in Fig. 1 dotted line.
, to embodiment shown in Figure 3, two arms are extended in parallel on the plane of fin 15 ', and these two arms are contacted with described fin at Fig. 1.In addition, hygrosensor is installed in the opening 21, it is contacted with fin 15 '.Just pass to detector about the temperature information of anode block 11 like this by the arm 23 of radiated rib and bearing.
In another the preferred embodiment shown in the Figure 4 and 5, make the shape of two arms 24 that stretch out from base 20 can when bearing installs on the radiated rib, be looped around the outside of anode block 11.So hygrosensor receives the measuring-signal of representing the anode block temperature by arm 24, the response time improves simultaneously.
In these cases, prop up the good conductor that seat material must be a heat.Preferably select austenitic steel.
What be readily appreciated that is to obtain other various forms of implementation under the prerequisite that does not exceed the scope of the invention.For example bearing can be the various form that the various temperature detector can be installed.In addition, used detector can be simple temperature controller, also can be the positive temperature coefficient (CTP) or the electronic device of negative temperature coefficient (CTN).
Claims (9)
1. device that utilizes hygrosensor to measure microwave oven magnetic (1), described magnetron comprises that one is installed the box (10) of anode block (11) in it and with respect to the magnetron radiated rib (15 of described anode block along horizontal expansion, 15 '), it is characterized in that hygrosensor is fixed on the bearing (2), this bearing is made by thermal conducting material, this bearing is contained at least one radiated rib (15 '), is used to measure the temperature of expression anode block temperature.
2. device according to claim 1 is characterized in that bearing (2) is installed to radiated rib (15 ') removably.
3. according to the described device of above-mentioned arbitrary claim, it is characterized in that bearing (2) substantially for flat, this bearing comprises a base (20), and described hygrosensor is installed on this base, and two arms (23 are arranged; 24) extend (20) along identical direction from base, when bearing installs on the radiated rib (15 '), makes these two arms be in the both sides of anode block (11).
4. device according to claim 3, it is characterized in that utilizing two tongue pieces (22) that bearing (2) is fixed on the radiated rib (15 '), tongue piece is connected with the base (20) of bearing, and each tongue piece forms the elasticity folder of clamping radiated rib (15 ') with described base (20).
5. according to claim 3 or 4 described devices, it is characterized in that making described two arms (23) on the plane of fin (15 '), to extend in parallel, and these two arms are contacted with described fin.
6. according to claim 3 or 4 described devices, it is characterized in that making the shape of described two arms 24 to install to the outside that is looped around anode block (11) when radiated rib (15 ') is gone up at bearing.
7. according to the described device of above-mentioned arbitrary claim, it is characterized in that a seat material is an austenitic steel.
8. according to the described device of above-mentioned arbitrary claim, it is characterized in that hygrosensor is made of temperature controller.
9. according to the described device of above-mentioned arbitrary claim, it is characterized in that described hygrosensor is the positive temperature coefficient (CTP) or the electronic device of negative temperature coefficient (CTN).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR01040/1997 | 1997-01-31 | ||
| FR9701040A FR2759238B1 (en) | 1997-01-31 | 1997-01-31 | DEVICE FOR MEASURING THE TEMPERATURE OF A MAGNETRON FOR MICROWAVE OVENS |
| FR01040/97 | 1997-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1200460A true CN1200460A (en) | 1998-12-02 |
| CN1135595C CN1135595C (en) | 2004-01-21 |
Family
ID=9503152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB981062539A Expired - Fee Related CN1135595C (en) | 1997-01-31 | 1998-01-31 | Device for measuring temp. of magnetron for microwave oven |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH10260081A (en) |
| KR (1) | KR19980070965A (en) |
| CN (1) | CN1135595C (en) |
| FR (1) | FR2759238B1 (en) |
| GB (1) | GB2321764B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102341653A (en) * | 2009-03-03 | 2012-02-01 | 松下电器产业株式会社 | High-frequency heating equipment |
| CN106017736A (en) * | 2016-07-30 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | High efficiency temperature monitor |
| CN106017735A (en) * | 2016-07-30 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature monitor |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234861A (en) | 2000-02-22 | 2001-08-31 | Toyota Autom Loom Works Ltd | Component to be formed with coating for compressor and method of forming coating on the same |
| DE102004015993B4 (en) * | 2004-04-01 | 2010-04-15 | Electrolux Schwanden Ag | Microwave oven and method of operating a microwave oven |
| JP2010196940A (en) | 2009-02-24 | 2010-09-09 | Panasonic Corp | High-frequency heating device |
| DE102014112590A1 (en) * | 2014-09-02 | 2016-03-17 | Miele & Cie. Kg | Cooking appliance and process |
| DE102018105006A1 (en) | 2018-03-05 | 2019-09-05 | Muegge Gmbh | Method for monitoring a magnetron and magnetron with a temperature detection device |
| DE102019211065A1 (en) | 2019-07-25 | 2021-01-28 | BSH Hausgeräte GmbH | Operating a microwave household appliance as a function of a microwave generator temperature |
| GB2588425B (en) * | 2019-10-23 | 2021-10-27 | Elekta ltd | Magnetron condition monitoring |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02186533A (en) * | 1989-01-13 | 1990-07-20 | Hitachi Ltd | Magnetron |
| US5022756A (en) * | 1989-11-03 | 1991-06-11 | Hewlett-Packard Company | Method and apparatus for spectrochemical analysis having maximum repeatability |
| JP2823312B2 (en) * | 1990-04-11 | 1998-11-11 | 三洋電機株式会社 | microwave |
| JPH04121991A (en) * | 1990-09-11 | 1992-04-22 | Matsushita Electric Ind Co Ltd | High frequency heating device |
| KR0115473Y1 (en) * | 1994-07-06 | 1998-04-20 | 구자홍 | Safety device of microwave oven |
-
1997
- 1997-01-31 FR FR9701040A patent/FR2759238B1/en not_active Expired - Fee Related
-
1998
- 1998-01-27 GB GB9801710A patent/GB2321764B/en not_active Expired - Fee Related
- 1998-01-29 JP JP1676198A patent/JPH10260081A/en active Pending
- 1998-01-31 CN CNB981062539A patent/CN1135595C/en not_active Expired - Fee Related
- 1998-01-31 KR KR1019980002630A patent/KR19980070965A/en not_active Application Discontinuation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102341653A (en) * | 2009-03-03 | 2012-02-01 | 松下电器产业株式会社 | High-frequency heating equipment |
| CN102341653B (en) * | 2009-03-03 | 2014-06-25 | 松下电器产业株式会社 | High-frequency heating equipment |
| CN106017736A (en) * | 2016-07-30 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | High efficiency temperature monitor |
| CN106017735A (en) * | 2016-07-30 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature monitor |
| CN106017736B (en) * | 2016-07-30 | 2019-06-14 | 胜利油田东强机电设备制造有限公司 | A kind of efficient temperature monitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1135595C (en) | 2004-01-21 |
| GB2321764A (en) | 1998-08-05 |
| GB2321764B (en) | 2001-11-28 |
| GB9801710D0 (en) | 1998-03-25 |
| FR2759238A1 (en) | 1998-08-07 |
| JPH10260081A (en) | 1998-09-29 |
| KR19980070965A (en) | 1998-10-26 |
| FR2759238B1 (en) | 1999-03-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: MOULINEX SA Free format text: FORMER OWNER: MOULINEX S. A. Effective date: 20021228 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20021228 Address after: French Ekri Applicant after: Moulinex S. A. Address before: Cole Meyer Applicant before: Moulinex S. A. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |