CN102650438A - Pot bottom temperature sensor of furnace - Google Patents
Pot bottom temperature sensor of furnace Download PDFInfo
- Publication number
- CN102650438A CN102650438A CN2012100463574A CN201210046357A CN102650438A CN 102650438 A CN102650438 A CN 102650438A CN 2012100463574 A CN2012100463574 A CN 2012100463574A CN 201210046357 A CN201210046357 A CN 201210046357A CN 102650438 A CN102650438 A CN 102650438A
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- China
- Prior art keywords
- cooking
- bimetallic
- temperature
- deflection
- temperature sensor
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/008—Ranges
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Cookers (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
The invention provides a pot bottom temperature sensor, comprising a heat-collecting plate (16) which abuts against the bottom face of a cooking container, a thermometal (17) which deforms based on the temperature of the heat-collecting plate (16), and a deformation measuring device (18) which measures the deformation amount of the thermometal (17) and converts the deformation amount into electric value corresponding to temperature. The deformation measuring device (18) is disposed below flame holes (5) of a furnace burner (1). The pot bottom temperature sensor can inhibit negative influence brought by the heat of the furnace burner, and have strong use convenience and good durability.
Description
Technical field
The stove and accessory that the present invention relates to measure with cooking-vessel bottom surface butt the temperature of cooking-vessel is used the cooking bottom temperature sensor.
Background technology
In recent years, in gas furnace, implement to put the temperature of the cooking-vessel on range through the measurement of cooking bottom temperature sensor.The cooking bottom temperature sensor sends the temperature of measuring to controller as measured signal.Controller is based on this measured signal control furnace combustor, the temperature maintenance that makes cooking-vessel on design temperature, thereby prevent the sticking pot of burning of cooking-vessel.
This cooking bottom temperature sensor possesses the thermal head of built-in thermistor.Thermal head receives spring that it is supported in the upper end of the pillar of hollow to the top application of force.The pillar of supporting hot pressure head uprightly is arranged in the burner inner space by the furnace combustor encirclement of ring-type.
The tip place of thermal head is provided with smooth thermal-arrest plate.The bottom surface butt of thermal-arrest plate and cooking-vessel through furnace combustor heating.The thermistor of measuring the temperature of cooking-vessel by the thermal-arrest plate is installed at the back side of thermal-arrest plate.
Be extended with lead from thermistor.This lead passes pillar inside, draws from the lower end of pillar, and is connected with controller (for example with reference to patent documentation 1: japanese kokai publication hei 8-152135 communique).
Yet, be used in thermistor in this cooking bottom temperature sensor when surpassing the heat resisting temperature that it had, might cause its breakage.Therefore, controller is not only controlled the burner that is used to cook, and the control burner is in order to avoid thermistor surpasses its heat resisting temperature.
That is, controller is set the heat resisting temperature of thermistor for ceiling temperature and is come cooking-vessel is carried out adjustment when the control burner.When the temperature of this moment reaches ceiling temperature or reaches near the temperature the ceiling temperature,, burner protects thermistor through being stopped working.
But, different according to the cooking food kind, become high even have the temperature of cooking-vessel sometimes, and the heating of cooking food still is not enough situation.Specifically illustrate, when carrying out high-temperature cooking, can rise within a short period of time with the temperature of the thermal head of grill butt such as utilizing grill barbecue rice cake etc.And, when temperature reaches based on the heat resisting temperature of thermistor and during the upper limit heating-up temperature of setting, controller can stop working to furnace combustor under the situation that rice cake etc. does not also have to be baked fully.
Therefore, different according to the cooking food kind, can't obtain heat time heating time of conforming to this cooking food, ease of use variation sometimes.So, can rise under near the situation of the high-temperature cooking the heat resisting temperature of thermistor for example carrying out temperature continually, the problem that thermistor is done sth. in advance deterioration appears.
And the lead of thermistor extends in that pillar is inner through the inside of thermal head, and wherein, this thermal head possesses the thermal-arrest plate with the bottom surface butt of cooking-vessel.And as stated, the temperature around the thermal head can become higher.So the clad material of coated wire can receive influence and the deterioration of heat, the possibility that the durability of cooking bottom temperature sensor descends appears.
Summary of the invention
In view of the above problems, the object of the present invention is to provide the cooking bottom temperature sensor that a kind of ease of use is strong and durability is high.
In order to achieve the above object; Stove and accessory of the present invention extends to the top from the burner inner space that the furnace combustor by ring-type surrounds with the cooking bottom temperature sensor; Bottom surface butt with the cooking-vessel that receives the furnace combustor heating; Thereby measure the temperature of this cooking-vessel, this stove and accessory is characterised in that to possess with the cooking bottom temperature sensor: thermal-arrest plate, the bottom surface butt of itself and cooking-vessel; Bimetallic, its temperature according to this thermal-arrest plate produces distortion; And deflection is measured device: it measures this bimetallic deflection, and this deflection is transformed into the electrical numerical value corresponding with temperature, and this deflection is measured the lower position that device is arranged on the flame hole that forms said furnace combustor flame.
Stove and accessory of the present invention uses bimetallic to replace thermistor with the cooking bottom temperature sensor.Bimetallic is accepted heat and is produced distortion from the bottom surface of cooking-vessel by the thermal-arrest plate.Subsequently, deflection is measured device and is measured the bimetallic deflection that distortion has taken place this moment.Therefore, can be identical with thermistor, with the temperature of the form of electrical numerical value output cooking-vessel, can simply control based on temperature through controller etc.
And; At the heated portion place; Can adopt and compare the higher bimetallic of heat resisting temperature with thermistor of the prior art (for example is the TM4 in JIS (the Japanese Industrial Standards) specification: heat resisting temperature 500 degree), thereby can set the temperature higher than the heat resisting temperature of temperature-sensitive resistance for by the ceiling temperature that the high temperature of execution such as controller is flame-out.
Therefore, can in higher temperature field, implement temperature control.For example, with the situation of grill barbecue rice cake etc. the time, can avoid appearing under the situation that rice cake etc. also do not baked, furnace combustor just because of control by flame-out situation.So, even need the cooking food of long period heating, also can obtain enough heat time heating times, thereby improve ease of use.
In addition, deflection is measured the lower position that device is positioned at furnace combustor flame hole.Deflection is measured device and is connected with the lead that is used for output electric property numerical value usually.Like this, measure the lower position that device is positioned at furnace combustor flame hole through making deflection, lead also is set on the position of having left the formed flame of furnace combustor.Thus, can alleviate the influence of heat, improve the durability that deflection is measured device and lead deflection mensuration device and lead.
In addition, in the present invention, any one bimetallic in the bimetallic of spiral bimetallic and plate (the end bearing type that two supports type that central portion is subjected to displacement or central portion bend) all can suitably be adopted.
Spiral bimetallic is followed its distortion, and its two ends rotate to relative direction each other.Subsequently, said deflection is measured device and can be measured the temperature of cooking-vessel efficiently through measuring this bimetallic anglec of rotation.
Plate shaped bimetallic is followed its distortion, and its part produces displacement on above-below direction.Subsequently, said deflection is measured device and can be measured the temperature of cooking-vessel efficiently through measuring this bimetallic displacement.
Description of drawings.
Fig. 1 is the schematic cross-sectional view of expression embodiment of the present invention.
Fig. 2 is the schematic cross-sectional view of expression other embodiments of the present invention.
Symbol description
1: furnace combustor; 5: the flame hole; 12,26: stove and accessory is used the cooking bottom temperature sensor; 13: the burner inner space; 16,29: the thermal-arrest plate; 17,30: bimetallic; 18: rotary-type current potential meter (deflection mensuration device); 31: linear pattern potentiometer (deflection mensuration device).
The specific embodiment
According to description of drawings embodiment of the present invention.Fig. 1 representes the portion that wants of gas furnace.Gas furnace possesses furnace combustor 1.Furnace combustor 1 possesses the burner body 3 and the burner head 4 of putting the ring-type on burner body 3 with the ring-type of mixing tube 2 UNICOMs.
Below the peripheral part of burner body 4, form many flames hole 5, this flame hole 5 is through the outside opening of profile of tooth.Burner body 3 is metal sheet systems, has inner core 6 and urceolus 7.The cylindrical wall 8 of burner head 4 is installed in the inner core 6.The periphery wall portion 10 that is formed with the portion of taking a seat 9 that the profile of tooth of burner head 4 takes a seat on the urceolus 7 and extends towards oblique below laterally from the portion of taking a seat 9.In addition, though do not illustrate, the pallet of the soup of boiling over is out caught in the periphery setting of surrounding wall portion 10 outside.
In addition, in the outside of furnace combustor 1, range of its part being represented like Fig. 1 11 is set.On range 11, put cooking-vessel, thereby cook by the flame heat cooking-vessel of furnace combustor 1.
On furnace combustor 1, be provided with cooking bottom temperature sensor 12.Cooking bottom temperature sensor 12 is connected on the bottom surface of the cooking-vessel that receives furnace combustor 1 heating, measures the temperature of this cooking-vessel.
Cooking bottom temperature sensor 12 possesses: uprightly be arranged on the sensible heat portion 14 of the hollow tubular in the burner inner space 13 that is surrounded by the cylindrical wall of furnace combustor 18 and on above-below direction, support the supporting member 15 of the hollow tubular of sensible heat portion 14 sliding freely.
In sensible heat portion 14, be provided with: with the thermal-arrest plate 16 of the bottom surface butt of cooking-vessel, at upwardly extending spiral bimetallic 17 of upper and lower and rotary-type current potential meter 18 (deflection mensuration device).
Rotary-type current potential meter 18 receives the bottom supporting of sensible heat portion 14, is positioned at the below in the flame hole 5 of furnace combustor 1.So rotary-type current potential meter 18 and lead 21 have left flame, therefore be difficult for the influence of received heat.
The linking part 19 of the upper end of bimetallic 17 and thermal-arrest plate 16 connects to integral body.The input rotating shaft 20 of the lower end of bimetallic 17 and rotary-type current potential meter 18 connects to integral body.
Bimetallic 17 is out of shape because of thermal-arrest plate 16 transmits the heat that comes.Bimetallic 17 is owing to be spiral, and the lower end is because of above-mentioned distortion upper end rotation relatively.The rotation of this moment is imported on the input rotating shaft 20 of rotary-type current potential meter 18.Owing to adopted spiral bimetallic 17, there is no need to be provided for to link the member of the input rotating shaft 20 of spiral bimetallic 17 and rotary-type current potential meter 18, the deflection of bimetallic 17 (rotation amount) can be delivered on the input rotating shaft 20 efficiently.
Rotary-type current potential meter 18 is according to the anglec of rotation of input rotating shaft 20, and its electrical resistance value changes.The lead 21 that extends out from rotary-type current potential meter 18 is connected with not shown controller.
Corresponding with the deflection of bimetallic 17 from the resistance value that rotary-type current potential meter 18 obtains, the temperature of the cooking-vessel that thermal-arrest plate on the deflection of bimetallic 17 and the bottom surface that is connected to cooking-vessel 16 is suffered is corresponding.So controller can come cooking-vessel is carried out temperature control through according to the resistance value control furnace combustor 1 that obtains from rotary-type current potential meter 18.
The carriage 23 that supporting member 15 is installed on the support plate 22 of furnace combustor 1 usefulness is fixing.In the lower end of supporting member 15, the spring that is formed with ring-type bears portion 24, bears at spring between the bottom of portion 24 and sensible heat portion 14, and moving downward and the spring 25 that pushes back to the top of corresponding sensible heat portion 14 is set.Therefore, after cooking-vessel being put on range 11, the application of force of sensible heat portion 14 antagonistic springs 25 also is pressed down, and thermal-arrest plate 16 receives the compression reaction force of spring 25 and connects with the bottom surface of cooking-vessel reliably.Cooking bottom temperature sensor 12 with above-mentioned formation is accepted the heat of thermal-arrest plate 16 through utilizing bimetallic 17, makes in the control of the performed temperature of controller, can set higher temperature for by the ceiling temperature when flame-out by force, thereby ease of use is better.
Specifically, when using thermistor of the prior art, the heat resisting temperature of considering this thermistor is 350 degree, so the flame-out ceiling temperature in must will controlling for example is set at about 320 degree.Relative therewith; As this embodiment; Through utilizing heat resisting temperature is the bimetallic (TM4 in JIS (the Japanese Industrial Standards) specification etc.) of 500 degree, can the flame-out ceiling temperature in the control for example be set at 450 higher relatively degree.So, for example the time, can avoid appearing under the situation that rice cake etc. also do not baked with the situation of grill barbecue rice cake etc., furnace combustor 1 just because of control by flame-out situation.
Other embodiments of cooking bottom temperature sensor then, are described with reference to Fig. 2.In addition, furnace combustor 1 omits its explanation owing to identical with structure shown in Figure 1 through using identical symbol.
As shown in Figure 2, cooking bottom temperature sensor 26 possesses: uprightly be arranged on the sensible heat portion 27 of the hollow tubular in the burner inner space 13 that is surrounded by furnace combustor 1 and on above-below direction, support the supporting member 28 of sensible heat portion 27 sliding freely.
The back side of the first half of bimetallic 30 and thermal-arrest plate 29 links.The upper end swing of link component 32 is attached on the Lower Half of bimetallic 30 freely.Then swing on the input bar 33 that is attached at linear pattern potentiometer 31 freely the lower end of link component 32.
When bimetallic 30 produces distortion because of thermal-arrest plate 29 transmits the heat that comes, owing to be that the U font is dull and stereotyped, the displacement downwards of the relative first half of the Lower Half of bimetallic 30.The displacement of this moment is imported on the input bar 33 of linear pattern potentiometer 31 by link component 32.
Corresponding from the resistance value that linear pattern potentiometer 31 obtains with the deflection of bimetallic 30.The temperature of the cooking-vessel that the thermal-arrest plate 29 on the deflection of bimetallic 30 and the bottom surface that is connected to cooking-vessel is suffered is corresponding.So controller can come cooking-vessel is carried out temperature control through according to the resistance value control furnace combustor 1 that obtains from linear pattern potentiometer 31.
In addition, linear pattern potentiometer 31 receives bottom one side bearing of sensible heat portion 27, is positioned at the below in the flame hole 5 of furnace combustor 1.So linear pattern potentiometer 31 and lead 34 have left flame, therefore be difficult for the influence of received heat.
The carriage 23 that supporting member 28 is installed on the support plate 22 of furnace combustor 1 usefulness is fixing.In the lower end of supporting member 28, the spring that is formed with ring-type bears portion 35, bears at spring between the bottom of portion 35 and sensible heat portion 27, and moving downward and the spring 36 that pushes back to the top of corresponding sensible heat portion 27 is set.Therefore, after cooking-vessel being put on range 11, the application of force of sensible heat portion 27 antagonistic springs 25 also is pressed down, and thermal-arrest plate 29 receives the compression reaction force of spring 36 and connects with the cooking-vessel bottom surface reliably.
Cooking bottom temperature sensor 26 is also the same with above-mentioned cooking bottom temperature sensor 12; Accept the heat of thermal-arrest plate 29 through utilizing bimetallic 30; Make in the control of temperature that controller carries out, can set higher temperature for by the ceiling temperature when flame-out by force, thereby ease of use is better.
In addition, though show the example that in cooking bottom temperature sensor 26 shown in Figure 2, adopts the dull and stereotyped bimetallic 30 of U font,, it is dull and stereotyped that bimetallic shape is not limited in the U font.Though diagram not can also adopt bimetallics such as the plate or collar plate shape of two supports.Can let the bimetallic of the shape that the input bar 33 of linear pattern potentiometer 31 moves up and down all can by link component 32 so long as have.
In addition, in above-mentioned each embodiment, adopted for example rotary-type current potential device 18 and linear potentiometer 31 to measure device as the deflection among the present invention.But, be not limited in this, even do not adopt potentiometer, also can adopt tester that can the deflection of bimetallic 17,30 be transformed into electrical numerical value (resistance value is or/and signal) etc.That is, specifically,, can adopt rotary encoder etc. to measure device as deflection to the rotation of bimetallic shown in Figure 1 17.And, can adopt straight line coding device, pressure sensor or deformeter etc. to measure device as deflection to the upper and lower displacement of bimetallic 30 shown in Figure 2.
Claims (3)
1. a stove and accessory is used the cooking bottom temperature sensor; It extends to the top from the burner inner space that the furnace combustor by ring-type surrounds; Bottom surface butt with the cooking-vessel that receives the furnace combustor heating; Thereby measure the temperature of this cooking-vessel, this stove and accessory is characterised in that to possess with the cooking bottom temperature sensor:
The thermal-arrest plate, the bottom surface butt of itself and cooking-vessel;
Bimetallic, its temperature according to said thermal-arrest plate produces distortion; And
Deflection is measured device, and it measures said bimetallic deflection, and said deflection is transformed into the electrical numerical value corresponding with temperature,
Said deflection is measured the lower position that device is arranged on the flame hole of the flame that forms said furnace combustor.
2. stove and accessory according to claim 1 is used the cooking bottom temperature sensor, it is characterized in that, said bimetallic is a spirality, follows its distortion, and to relative direction rotation, said deflection is measured device and measured the said bimetallic anglec of rotation each other at its two ends.
3. stove and accessory according to claim 1 is used the cooking bottom temperature sensor, it is characterized in that, said bimetallic is plate, follows its distortion, and its part is at the above-below direction top offset, and said deflection is measured device and measured said bimetallic displacement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011040294A JP5285099B2 (en) | 2011-02-25 | 2011-02-25 | Stove pan temperature sensor |
| JP2011-040294 | 2011-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102650438A true CN102650438A (en) | 2012-08-29 |
Family
ID=46692509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100463574A Pending CN102650438A (en) | 2011-02-25 | 2012-02-24 | Pot bottom temperature sensor of furnace |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5285099B2 (en) |
| KR (1) | KR101851017B1 (en) |
| CN (1) | CN102650438A (en) |
| TW (1) | TWI454646B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279583A (en) * | 2013-07-05 | 2015-01-14 | 林内株式会社 | Gas stove |
| CN104344431A (en) * | 2013-07-31 | 2015-02-11 | 林内株式会社 | Cooking container detecting device |
| CN108006711A (en) * | 2018-01-04 | 2018-05-08 | 杨明斌 | Gas furnace temperature sensor |
| CN109070486A (en) * | 2016-05-18 | 2018-12-21 | 阪东化学株式会社 | The adhering method of gas type thermoplastic parts adhering apparatus and thermoplastic parts |
| CN109812988A (en) * | 2019-03-08 | 2019-05-28 | 李梦珠 | A kind of anti-air drying solar energy heat collection pipe |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101431056B1 (en) * | 2012-12-24 | 2014-08-21 | 주식회사 제임스텍 | temperature sensing device for gas range |
| KR101428491B1 (en) * | 2013-05-31 | 2014-08-12 | 린나이코리아 주식회사 | Gas Range for prevent overheating sensing of rod bracket |
| JP6297994B2 (en) * | 2015-02-24 | 2018-03-20 | リンナイ株式会社 | Gas stove |
| KR102274250B1 (en) * | 2018-04-09 | 2021-07-07 | 주식회사 아모센스 | heater for electronic cigarette device |
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| JP2008215729A (en) * | 2007-03-05 | 2008-09-18 | Rinnai Corp | Pot bottom temperature sensor |
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- 2011-02-25 JP JP2011040294A patent/JP5285099B2/en active Active
-
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- 2012-02-03 TW TW101103550A patent/TWI454646B/en active
- 2012-02-22 KR KR1020120017741A patent/KR101851017B1/en active IP Right Grant
- 2012-02-24 CN CN2012100463574A patent/CN102650438A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US2828919A (en) * | 1955-09-26 | 1958-04-01 | Florence Stove Co | Simplified automatic control for range |
| JPS50139746A (en) * | 1974-04-25 | 1975-11-08 | ||
| JPS57112623A (en) * | 1980-12-26 | 1982-07-13 | Paloma Ind Ltd | Thermosensitive device of cooking apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279583A (en) * | 2013-07-05 | 2015-01-14 | 林内株式会社 | Gas stove |
| CN104279583B (en) * | 2013-07-05 | 2018-01-12 | 林内株式会社 | Gas furnace |
| CN104344431A (en) * | 2013-07-31 | 2015-02-11 | 林内株式会社 | Cooking container detecting device |
| CN104344431B (en) * | 2013-07-31 | 2019-01-15 | 林内株式会社 | Cooking container detection device |
| CN109070486A (en) * | 2016-05-18 | 2018-12-21 | 阪东化学株式会社 | The adhering method of gas type thermoplastic parts adhering apparatus and thermoplastic parts |
| CN108006711A (en) * | 2018-01-04 | 2018-05-08 | 杨明斌 | Gas furnace temperature sensor |
| CN108006711B (en) * | 2018-01-04 | 2024-05-24 | 杨明斌 | Temperature sensor for gas stove |
| CN109812988A (en) * | 2019-03-08 | 2019-05-28 | 李梦珠 | A kind of anti-air drying solar energy heat collection pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201241370A (en) | 2012-10-16 |
| KR101851017B1 (en) | 2018-04-20 |
| JP2012177506A (en) | 2012-09-13 |
| KR20120098445A (en) | 2012-09-05 |
| TWI454646B (en) | 2014-10-01 |
| JP5285099B2 (en) | 2013-09-11 |
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