CN101943429B - Temperature sensor structure of microwave oven - Google Patents
Temperature sensor structure of microwave oven Download PDFInfo
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- CN101943429B CN101943429B CN200910069679.9A CN200910069679A CN101943429B CN 101943429 B CN101943429 B CN 101943429B CN 200910069679 A CN200910069679 A CN 200910069679A CN 101943429 B CN101943429 B CN 101943429B
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- sensor
- probe
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- lower cover
- wave oven
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Abstract
The invention relates to a temperature sensor structure of a microwave oven, comprising sensor probes, sensor shells and probe holes, wherein the inside of the lower cover of the shell is provided with a plurality of supporting poles for supporting the sensor probes; the top ends of partial supporting poles are provided with protuberant positioning pins; the positioning pins are asymmetrically distributed; a fixing plate on the sensor probe is provided with positioning holes the quantity and the positions of which correspond to the quantity and positions of the positioning pins; when the sensor probe is loaded into the sensor shell, the positioning pins are mutually and correspondingly matched with the positioning holes; the bottom of the interior space of the lower cover of the shell is provided with a prominent positioning plate; and the upper cover of the shell is provided with oppression columns. The fixing positions of the sensor probes of the invention are more precise so that the positions of the probes mutually and correctly correspond to the probe holes at the bottom of the lower cover of the shell, thereby avoiding deviation, simplifying production and installation procedures, further saving cost and improving production efficacy.
Description
Technical field
The invention belongs to the technical field of micro-wave oven, be specifically related to a kind of inside at sensor outer housing the multiple positioning elements such as alignment pin, location-plate and compressing post are set, make sensor probe can in sensor outer housing, accurately fix and can save the arrangement of temperature sensor of the micro-wave oven of production cost.
Background technology
Micro-wave oven is that magnetron produces microwave after power connection, and these microwave irradiations on the heating objects such as food and the device of cooking food.Such micro-wave oven can be divided into the home-use micro-wave oven that is equipped with small size magnetic keyholed back plate and the business micro-wave oven that is equipped with large-scale or multiple magnetrons.Micro-wave oven can also be divided into home-use micro-wave oven according to the mode of heat food and generally adopt rotation to fill the glass rotary disc mode of food, and business mainly adopts the figure of confusion mode of scattered radiation microwave with micro-wave oven.Business is mainly applicable to convenience store that utilization rate is high and the food supply retail shop of cooking food at short notice with micro-wave oven, so generally need the relatively high output of more home-use micro-wave oven.
Fig. 1 is the structural representation of micro-wave oven; Fig. 2 is the schematic diagram of the temperature sensor set-up mode of the micro-wave oven of prior art; Fig. 3 be prior art the schematic diagram of arrangement of temperature sensor of micro-wave oven.
As shown in Figure 1 to Figure 3, micro-wave oven comprises by the shell that forms outward appearance, furnace chamber 20 and is positioned at the electricity storage chamber 30 of furnace chamber 20 right side sides, also comprises and is located at furnace chamber 20 door 40 above.Right-hand member at the lateral surface of door 40 is provided with handle, and the two ends of handle and door 40 are screwed connection.Shell forms micro-wave oven outward appearance, also plays the effect of the inner furnace chamber 20 of protection simultaneously, and therefore shell is generally made of the steel plate with some strength.Shell comprise by cover simultaneously furnace chamber 20 above and base plate 13 below of the top panel 11 of two sides, protection, forms the front panel 15 before furnace chamber 20 and protects the rear board 17 at furnace chamber 20 back sides.Furnace chamber 20 is spaces of the cooking things such as cooking food, is made up of the tetragonal chest of front openings, both can put into food and take out the food the cooking from the opening front of furnace chamber 20, is provided with the barbecue tube 21 for baking food on the top of furnace chamber.There is certain space the right side side of furnace chamber 20, and this space is the electricity storage chamber 30 for electronic unit is set, and electricity storage chamber 30 inside are provided with multiple electronic units such as transformer 31, magnetron 33, capacitor 37.Before electricity storage chamber 30, be provided with control panel assembly 26.
In addition, the inside of electricity storage chamber 30 is provided with demarcation strip 39 between transformer 31 and radiator fan 35.Transformer 31, radiator fan 35, capacitor 37 and demarcation strip 39 be fixed on sub-panel above.Sub-panel and base plate 13 above between at intervals.
In multiple electronic units, transformer 31 and magnetron 33 produce the microwave that irradiates furnace chamber 20 inside.Electronic unit generates heat in the process that produces microwave, so in the time of cooking food, the temperature rise of electricity storage chamber 30.Need to suck extraneous air for the electricity storage chamber 30 of cooling heating, so radiator fan 35 sucks extraneous air.
In the arrangement of temperature sensor of the micro-wave oven of prior art, sensor probe is arranged on outside the furnace chamber 20 of micro-wave oven, see through the peephole forming on furnace chamber and receive the infrared signal that in furnace chamber, food sends and also measure food temperature, temperature signal is converted to the signal of telecommunication and is input to the controller of micro-wave oven; Sensor outer housing 60 is arranged on furnace chamber 20 outsides by fixed part 61, is combined into by outer casing upper cover 60a and shell lower cover 60b two parts, holds and protects sensor probe; Probe hole 62 is formed on the through hole on shell lower cover 60b, makes sensor probe can accept thermal signal.
But, in prior art, there is following problem:
In the prior art, interfixing between sensor probe and sensor outer housing need to adopt the extra accessories such as screw to realize, so increased the overall production cost of micro-wave oven, and the positioning precision of sensor probe when fixing cannot be guaranteed accurately, therefore can cause sensor probe that deviation occurs in the time of image data, thereby have influence on the accurately normal operation of micro-wave oven.
Summary of the invention
The present invention provides a kind of inside at sensor outer housing that the multiple positioning elements such as alignment pin, location-plate and compressing post are set for solving the technical problem existing in prior art, makes sensor probe can in sensor outer housing, accurately fix and can save the arrangement of temperature sensor of the micro-wave oven of production cost.
The technical scheme that the present invention takes for the technical problem existing in solution prior art is:
The arrangement of temperature sensor of micro-wave oven of the present invention, comprise: sensor probe, be arranged on outside the furnace chamber of micro-wave oven, see through the peephole forming on furnace chamber and receive the infrared signal that in furnace chamber, food sends and also measure food temperature, temperature signal is converted to the signal of telecommunication and is input to the controller of micro-wave oven; Sensor outer housing, is arranged on furnace chamber outside by fixed part, is combined into by outer casing upper cover and shell lower cover two parts, holds and protects sensor probe; Probe hole, be formed on the through hole covering under shell, make sensor probe can accept thermal signal, the inside of shell lower cover arranges multiple for supporting the support column of sensor probe, and the top of part support column arranges protruding alignment pin, alignment pin asymmetric distribution, on sensor probe, be provided with fixed head simultaneously, all locating holes corresponding with alignment pin of magnitude setting, position on fixed head, in the time that sensor probe packs sensor outer housing into, the mutual corresponding matching of alignment pin and locating hole; In the inner space bottom of shell lower cover, outstanding location-plate is set, the location-plate setting that matches with the outline of sensor probe, in the time that sensor probe is installed, sensor probe does not contact with the inwall of shell lower cover, forms space between the two; Compressing post is set on outer casing upper cover, and in the time that outer casing upper cover and shell lower cover match, compressing capital is lived the sensor probe in shell lower cover.
The present invention can also adopt following technical measures:
The inner space cross section of described sensor outer housing is rectangle.
Joint portion place at four sidewalls of shell lower cover inner space vertically arranges respectively support column.
Only the top of three support columns arranges alignment pin therein, and three locating holes that position is corresponding are set on the fixed head of sensor probe equally.
Above-mentioned location-plate is around probe hole setting, its cross section be one with the annulus of probe hole concentric.
Above-mentioned compressing post is arranged on the center of outer casing upper cover, and the lower end of compressing post is plane.
Support column and location-plate and shell lower cover are one-body molded, and compressing post and outer casing upper cover are one-body molded.
Advantage and good effect that the present invention has are:
In the arrangement of temperature sensor of micro-wave oven of the present invention, inside at shell lower cover vertically arranges support column, and the top at support column arranges alignment pin, the locating hole corresponding with alignment pin position is set on the fixed head of sensor probe, in the time that alignment pin matches with locating hole, the horizontal level of sensor probe is just defined, and horizontal movement cannot occur.Because alignment pin adopts asymmetric setting on the top of support column, sensor probe in shell lower cover, be merely able to keep specific setting party to, thereby make probe fixed position more accurate.Be looped around probe hole location-plate around and fix the external margin of sensor probe, make the fixing more stable of probe, avoid probe to be offset in installing and using, the heat can be at running of microwave oven in the space forming between sensor probe and the inwall of shell lower cover time, the external heat source outside furnace chamber being produced is distributed to around sensor probe uniformly, prevents that sensor probe is because of the inhomogeneous data acquisition mistake that causes of being heated.At the center of outer casing upper cover, compressing post is set, compressing post can withstand sensor probe when mounted, make to keep coordinating closely between sensor probe and alignment pin and location-plate, thereby fixing of making to pop one's head in is more stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of micro-wave oven;
Fig. 2 is the schematic diagram of the temperature sensor set-up mode of the micro-wave oven of prior art;
Fig. 3 be prior art the schematic diagram of arrangement of temperature sensor of micro-wave oven;
Fig. 4 is the schematic diagram of the arrangement of temperature sensor of micro-wave oven of the present invention;
Fig. 5 is the structural representation of the arrangement of temperature sensor housing lower cover of micro-wave oven of the present invention;
Fig. 6 is the structural representation of the arrangement of temperature sensor housing upper cover of micro-wave oven of the present invention.
The specific embodiment
Referring to drawings and Examples, the present invention is described in detail:
Fig. 4 is the schematic diagram of the arrangement of temperature sensor of micro-wave oven of the present invention; Fig. 5 is the structural representation of the arrangement of temperature sensor housing lower cover of micro-wave oven of the present invention; Fig. 6 is the structural representation of the arrangement of temperature sensor housing upper cover of micro-wave oven of the present invention.
As shown in Figures 4 to 6, the arrangement of temperature sensor of micro-wave oven of the present invention, comprise: sensor probe, be arranged on outside the furnace chamber of micro-wave oven, see through the peephole forming on furnace chamber and receive the infrared signal that in furnace chamber, food sends and also measure food temperature, temperature signal is converted to the signal of telecommunication and is input to the controller of micro-wave oven; Sensor probe adopts multiple sample points food temperature to be measured simultaneously, each sample point all drops on the same diameter of meal tray, in the time of running of microwave oven, meal tray rotation, position that each sample point lives through forms a planar range, this scope be exactly the measurement category of all sample points be the field range of sensor probe; Sensor outer housing 60 is arranged on furnace chamber outside by fixed part 61, is combined into by outer casing upper cover 60a and shell lower cover 60b two parts, holds and protects sensor probe; Probe hole 62 is formed on the through hole on shell lower cover 60b, make sensor probe can accept thermal signal, arrange multiple for supporting the support column 63 of sensor probe in the inside of shell lower cover 60b, the top of part support column arranges protruding alignment pin 64, alignment pin asymmetric distribution, on sensor probe, be provided with fixed head simultaneously, all locating holes corresponding with alignment pin of magnitude setting, position on fixed head, in the time that sensor probe packs sensor outer housing into, the mutual corresponding matching of alignment pin and locating hole; In the inner space bottom of shell lower cover, outstanding location-plate is set, the location-plate setting that matches with the outline of sensor probe, in the time that sensor probe is installed, sensor probe does not contact with the inwall of shell lower cover, forms space between the two; Compressing post 66 is set on outer casing upper cover, and in the time that outer casing upper cover and shell lower cover match, compressing capital is lived the sensor probe in shell lower cover.
The inner space cross section of sensor outer housing is rectangle in the present invention, for guaranteeing that sensor takies still less space when mounted, the cross section of the inner space of sensor outer housing also can adopt square, in the center of shell lower cover 60b bottom, circular probe hole 62 is set.
Joint portion place at four sidewalls of shell lower cover inner space vertically arranges respectively support column 63, only the top of three support columns arranges protruding alignment pin 64 therein, three locating holes that position is corresponding are set on the fixed head of sensor probe equally, in the time that sensor probe is fitted into shell lower cover, make alignment pin insert locating hole, three alignment pins coordinate respectively with locating hole, and support column support is lived the fixed head of sensor probe, prevent that sensor probe is subjected to displacement in shell lower cover., because the top of one of them support column does not arrange alignment pin, in the time that probe is installed, be merely able to according to unique position set-up mode meanwhile, make the fixed position of probe more accurate.
On shell lower cover bottom surface, the outstanding location-plate arranging is around probe hole setting, its cross section be one with the annulus of probe hole concentric, thereby formation tubular wooden partition 65.The lower end of sensor probe is cylindrical shape, is just in time inserted into when mounted in the tubular structure of location-plate, and cooperatively interacts with location-plate, makes the position of probe and the probe hole of shell lower cover bottom mutually accurately corresponding, avoids occurring deviation.
Compressing post 66 is set in the center of outer casing upper cover 60a, the lower end of compressing post is plane, in the time that upper cover and lower cover interfix, compressing capital is lived sensor probe, make to be subject on sensor probe uniform downward pressure, guarantee that sensor probe is fixed in advance on the position of design in sensor outer housing inside, prevent that alignment pin from deviating from from locating hole.
Support column and location-plate and shell lower cover are one-body molded, and compressing post and outer casing upper cover are one-body molded, produce and installation procedure thereby can simplify, and further save cost and enhance productivity.
In the arrangement of temperature sensor of micro-wave oven of the present invention, inside at shell lower cover vertically arranges support column, and the top at support column arranges alignment pin, the locating hole corresponding with alignment pin position is set on the fixed head of sensor probe, in the time that alignment pin matches with locating hole, the horizontal level of sensor probe is just defined, and horizontal movement cannot occur.Because alignment pin adopts asymmetric setting on the top of support column, sensor probe in shell lower cover, be merely able to keep specific setting party to, thereby make probe fixed position more accurate.Be looped around probe hole location-plate around and fix the external margin of sensor probe, make the fixing more stable of probe, avoid probe to be offset in installing and using, the heat can be at running of microwave oven in the space forming between sensor probe and the inwall of shell lower cover time, the external heat source outside furnace chamber being produced is distributed to around sensor probe uniformly, prevents that sensor probe is because of the inhomogeneous data acquisition mistake that causes of being heated.At the center of outer casing upper cover, compressing post is set, compressing post can withstand sensor probe when mounted, make to keep coordinating closely between sensor probe and alignment pin and location-plate, thereby fixing of making to pop one's head in is more stable.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention with preferred embodiment openly as above, but, not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (7)
1. the arrangement of temperature sensor of a micro-wave oven, comprise: sensor probe, be arranged on outside the furnace chamber of micro-wave oven, see through the peephole forming on furnace chamber and receive the infrared signal that in furnace chamber, food sends and also measure food temperature, temperature signal is converted to the signal of telecommunication and is input to the controller of micro-wave oven; Sensor outer housing, is arranged on furnace chamber outside by fixed part, is combined into by outer casing upper cover and shell lower cover two parts, holds and protects sensor probe; Probe hole, be formed on the through hole covering under shell, make sensor probe can accept thermal signal, it is characterized in that: the inside of shell lower cover arranges multiple for supporting the support column of sensor probe, the top of part support column arranges protruding alignment pin, alignment pin asymmetric distribution, on sensor probe, be provided with fixed head simultaneously, all locating holes corresponding with alignment pin of magnitude setting, position on fixed head, in the time that sensor probe packs sensor outer housing into, the mutual corresponding matching of alignment pin and locating hole; In the inner space bottom of shell lower cover, outstanding location-plate is set, the location-plate setting that matches with the outline of sensor probe, in the time that sensor probe is installed, sensor probe does not contact with the inwall of shell lower cover, forms space between the two; Compressing post is set on outer casing upper cover, and in the time that outer casing upper cover and shell lower cover match, compressing capital is lived the sensor probe in shell lower cover.
2. the arrangement of temperature sensor of micro-wave oven according to claim 1, is characterized in that: the inner space cross section of sensor outer housing is rectangle.
3. the arrangement of temperature sensor of micro-wave oven according to claim 2, is characterized in that: the joint portion place at four sidewalls of shell lower cover inner space vertically arranges respectively support column.
4. the arrangement of temperature sensor of micro-wave oven according to claim 3, is characterized in that: only the top of three support columns arranges alignment pin therein, and three locating holes that position is corresponding are set on the fixed head of sensor probe equally.
5. the arrangement of temperature sensor of micro-wave oven according to claim 1, is characterized in that: location-plate is around probe hole setting, its cross section be one with the annulus of probe hole concentric.
6. the arrangement of temperature sensor of micro-wave oven according to claim 1, is characterized in that: compressing post is arranged on the center of outer casing upper cover, and the lower end of compressing post is plane.
7. the arrangement of temperature sensor of micro-wave oven according to claim 1, is characterized in that: support column and location-plate and shell lower cover are one-body molded, and compressing post and outer casing upper cover are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910069679.9A CN101943429B (en) | 2009-07-10 | 2009-07-10 | Temperature sensor structure of microwave oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910069679.9A CN101943429B (en) | 2009-07-10 | 2009-07-10 | Temperature sensor structure of microwave oven |
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| Publication Number | Publication Date |
|---|---|
| CN101943429A CN101943429A (en) | 2011-01-12 |
| CN101943429B true CN101943429B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910069679.9A Expired - Fee Related CN101943429B (en) | 2009-07-10 | 2009-07-10 | Temperature sensor structure of microwave oven |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2322532Y (en) * | 1997-10-06 | 1999-06-09 | 黄国敏 | Hand-held vacuum cleaner |
| CN1221868A (en) * | 1997-11-15 | 1999-07-07 | Lg电子株式会社 | Wet prevention apparatus for sensor of microwave oven |
| JP3218612B2 (en) * | 1991-03-29 | 2001-10-15 | ソニー株式会社 | Video signal recording / reproducing device capable of correcting camera shake |
| CN201007511Y (en) * | 2007-01-31 | 2008-01-16 | 美的集团有限公司 | Flat microwave oven |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2596157B2 (en) * | 1990-01-22 | 1997-04-02 | 松下電器産業株式会社 | Power converter |
| JP2989482B2 (en) * | 1994-08-12 | 1999-12-13 | シャープ株式会社 | Heating system |
-
2009
- 2009-07-10 CN CN200910069679.9A patent/CN101943429B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3218612B2 (en) * | 1991-03-29 | 2001-10-15 | ソニー株式会社 | Video signal recording / reproducing device capable of correcting camera shake |
| CN2322532Y (en) * | 1997-10-06 | 1999-06-09 | 黄国敏 | Hand-held vacuum cleaner |
| CN1221868A (en) * | 1997-11-15 | 1999-07-07 | Lg电子株式会社 | Wet prevention apparatus for sensor of microwave oven |
| CN201007511Y (en) * | 2007-01-31 | 2008-01-16 | 美的集团有限公司 | Flat microwave oven |
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| CN101943429A (en) | 2011-01-12 |
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Granted publication date: 20140604 Termination date: 20170710 |