CN117288347A - Dry-heating-preventing temperature measuring probe, pot bottom temperature measuring method and burner - Google Patents
Dry-heating-preventing temperature measuring probe, pot bottom temperature measuring method and burner Download PDFInfo
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- CN117288347A CN117288347A CN202210692678.5A CN202210692678A CN117288347A CN 117288347 A CN117288347 A CN 117288347A CN 202210692678 A CN202210692678 A CN 202210692678A CN 117288347 A CN117288347 A CN 117288347A
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- 239000000523 sample Substances 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 92
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 230000002265 prevention Effects 0.000 claims description 32
- 230000000670 limiting effect Effects 0.000 claims description 24
- 238000009841 combustion method Methods 0.000 claims description 18
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 15
- 239000007789 gas Substances 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- 238000009413 insulation Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- 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
- 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
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides an anti-dry-heating temperature measurement probe, a pot bottom temperature measurement method and a burner, and belongs to the technical field of burners. The dry-heating-preventing temperature measuring probe comprises an inner ring assembly and an outer ring assembly, wherein the inner ring assembly comprises an inner ring moving part and an inner ring temperature measuring part, the inner ring temperature measuring part is in heat conduction contact with the inner ring moving part, the outer ring assembly comprises a plurality of outer ring moving parts and a plurality of outer ring temperature measuring parts, the single outer ring moving part is in heat conduction contact with the plurality of outer ring temperature measuring parts, and the inner ring moving parts and the plurality of outer ring moving parts are arranged at intervals along the radial direction of the dry-heating-preventing temperature measuring probe from inside to outside. Through the structure, the dry-heating-preventing temperature measuring probe is guaranteed to be closely attached to the bottom of the cooker, multi-point temperature measurement is achieved, accuracy of the dry-heating-preventing temperature measuring probe in temperature measurement is improved, misjudgment is avoided, and when the temperature of the bottom of the cooker reaches the threshold value of a temperature measuring piece, gas supply is cut off, so that the cooker is prevented from being burnt.
Description
Technical Field
The invention relates to the technical field of burners, in particular to an anti-dry-heating temperature measuring probe, a pot bottom temperature measuring method and a burner.
Background
With social development and technological progress, people pay more and more attention to cooking safety. During cooking, a condition in which the cookware burns dry due to negligence of use often occurs. In order to prevent the cookware from being burned, an installation channel is usually formed in the middle of a fire cover of a burner, a temperature measuring probe is arranged in the installation channel to identify the temperature of the cookware bottom, when the temperature of the cookware bottom exceeds a certain threshold value, the cookware is judged to be burned, and then the fuel gas supply is cut off, so that the combustion is stopped, and the cookware is prevented from being burned.
However, in the using process of the burner, as the existing temperature measuring probes are mostly single rings and the top is a circular plane, the existing temperature measuring probes are easy to contact with the bottom of the pan, the temperature judgment is inaccurate, and misjudgment and flameout occur; meanwhile, the temperature of the side wall of the temperature measuring probe is influenced by flame heat radiation and high-temperature smoke heat convection, so that the temperature is easily overhigh, and misjudgment and flameout are caused; in addition, the existing temperature measuring probe has no overheat protection device, is exposed to a high-temperature environment for a long time, is easy to thermally fatigue, and shortens the service life.
Disclosure of Invention
The invention aims to overcome the defects that the temperature judgment of an anti-dry-heating temperature measuring probe is inaccurate and misjudgment is easy to occur in the prior art, and provides the anti-dry-heating temperature measuring probe, a pot bottom temperature measuring method and a burner.
The invention solves the technical problems by the following technical scheme:
the utility model provides a prevent dry combustion method temperature probe, prevent dry combustion method temperature probe includes inner ring subassembly and outer loop subassembly, the inner ring subassembly includes inner ring moving part and inner ring temperature measuring part, the inner ring temperature measuring part with inner ring moving part heat conduction contact, the outer loop subassembly includes a plurality of outer loop moving parts and a plurality of outer loop temperature measuring part, single outer loop moving part heat conduction contact has a plurality of outer loop temperature measuring part, follows prevent dry combustion method temperature probe's radial, from inside to outside, the inner ring moving part, a plurality of outer loop moving part interval sets up.
In the scheme, the dry-heating-preventing temperature measuring probe is provided with the inner ring moving part and the plurality of outer ring moving parts, the suitability of the dry-heating-preventing temperature measuring probe and the bottom of the cooker and the positioning accuracy are improved by the arrangement of the plurality of ring bodies, and the defect that a single ring body is easy to contact with the bottom of the cooker in the traditional scheme is avoided; the inner ring temperature measuring piece and the plurality of outer ring temperature measuring pieces can carry out multipoint temperature measurement on the bottom of the cooker, so that temperature measurement errors are reduced, and the defect that inaccurate temperature measurement is easily caused by a single temperature measuring point in the traditional scheme is avoided; the inner ring moving parts and the outer ring moving parts are arranged at intervals, namely, air interlayers are arranged between the inner ring moving parts and the adjacent outer ring moving parts and between the outer ring moving parts, and have good heat insulation effect, so that heat transfer between the inner ring moving parts and the outer ring moving parts can be reduced. Through the structure, the dry-heating-preventing temperature measuring probe is guaranteed to be closely attached to the bottom of the cooker, multi-point temperature measurement is achieved, accuracy of the dry-heating-preventing temperature measuring probe in temperature measurement is improved, misjudgment is avoided, and when the temperature of the bottom of the cooker reaches the threshold value of a temperature measuring piece, gas supply is cut off, so that the cooker is prevented from being burnt.
Preferably, a plurality of outer ring temperature measuring pieces in heat conduction contact with a single outer ring moving piece are uniformly arranged along the circumferential direction of the outer ring moving piece.
In this scheme, a plurality of outer loop temperature measurement spare are evenly set up along the circumference of outer loop moving part, have realized the even selection of temperature measurement point, are favorable to reducing the temperature measurement error, improve the temperature measurement precision, have avoided the temperature measurement point to concentrate on a certain region and have led to the problem that the temperature measurement error is big.
Preferably, the single outer ring moving member is in heat conduction contact with an even number of outer ring temperature measuring members, and the outer ring temperature measuring members are symmetrically arranged in pairs along the radial direction of the outer ring moving member.
In this scheme, even number outer loop temperature measurement piece pairwise is a pair of radial symmetry setting along outer loop moving member, has further guaranteed the rationality that the temperature measurement point distributes, and especially when the pan slope was placed, the temperature measurement piece that radial symmetry set up can be through the slope condition of temperature difference reaction play pan, and then can adjust the pan position correspondingly.
Preferably, the outer ring temperature measuring members adjacent to the outer ring moving member are arranged in line.
In the scheme, the outer ring temperature measuring pieces of the adjacent outer ring moving pieces are arranged in a collinear manner, so that the temperature change of the bottom of the pot along the line, namely, the straight line where a certain radial direction of the dry-heating preventing temperature measuring probe is located, can be reflected more accurately, and the position where the center of the bottom of the pot is located can be judged more accurately.
Preferably, the dry-heating preventing temperature measuring probe further comprises a bottom bracket;
the inner ring assembly further comprises an inner ring elastic piece, and two ends of the inner ring elastic piece are respectively contacted with the inner ring moving piece and the collet along the vertical direction;
the outer ring assembly further comprises a plurality of outer ring elastic pieces, the outer ring elastic pieces and the outer ring moving pieces are arranged in one-to-one correspondence, and two ends of the outer ring elastic pieces are respectively contacted with the outer ring moving pieces and the bottom support along the vertical direction.
In the scheme, the bottom bracket is used as a supporting component of the dry-heating-preventing temperature measuring probe, so that the stability of the dry-heating-preventing temperature measuring probe is improved; the setting of inner ring elastic component and outer loop elastic component for the removal of inner ring moving component and outer loop moving component is more nimble, and when the pan applys decurrent effort to preventing dry combustion method temperature probe, inner ring elastic component and outer loop elastic component respectively applys ascending effort to inner ring moving component and outer loop moving component, makes the laminating of preventing dry combustion method temperature probe and pan bottom inseparabler, and then improves the accuracy of temperature measurement.
Preferably, the inner ring moving member comprises an inner ring abutting portion and an inner ring side wall, the inner ring temperature measuring member is connected to the inner ring abutting portion, the inner ring abutting portion is used for abutting against the bottom of the pot, the inner ring side wall extends downwards along the side edge of the inner ring abutting portion and encloses an inner ring accommodating cavity with the inner ring abutting portion, and the inner ring elastic member is at least partially located in the inner ring accommodating cavity.
In the scheme, the inner ring temperature measuring piece is connected to the inner ring abutting part, and the inner ring abutting part is used for abutting with the bottom of the cooker, so that the measuring point of the inner ring temperature measuring piece is positioned at the center of the bottom of the cooker, and the accuracy of the temperature measuring position is improved; the inner ring side wall has certain protection effect and limiting effect on part of the inner ring temperature measuring piece and part of the elastic piece which are positioned in the inner ring accommodating cavity, and the inner ring side wall has certain heat insulation effect, so that the influence of external heat on the temperature measurement of the inner ring temperature measuring piece is reduced.
Preferably, the outer ring moving member comprises an outer ring abutting portion, an outer ring inner side wall and an outer ring outer side wall, the outer ring abutting portion is annular, the outer ring temperature measuring member is connected to the outer ring abutting portion, the outer ring abutting portion is used for abutting with the bottom of the cooker, the outer ring inner side wall and the outer ring outer side wall extend downwards along the inner side edge and the outer side edge of the outer ring abutting portion respectively and enclose an outer ring accommodating cavity with the outer ring abutting portion, and the outer ring elastic member is at least partially located in the outer ring accommodating cavity.
In the scheme, the outer ring temperature measuring piece is connected to the outer ring abutting part, and the outer ring abutting part is used for abutting with the bottom of the cooker, so that the measuring point of the outer ring temperature measuring piece is closer to the center position of the bottom of the cooker, and the accuracy of the temperature measuring position is improved; the outer ring abutting part is annular and can be attached to the bottom of the cooker along the circumferential direction of the outer ring abutting part, so that the attachment of the outer ring abutting part and the bottom of the cooker is more stable, and dislocation movement is not easy to occur between the outer ring abutting part and the bottom of the cooker; the inner side wall and the outer side wall of the outer ring have certain protection and limit functions on the outer ring elastic piece.
Preferably, the lower end of the outer ring outer side wall of the outer ring moving member on the outermost side of the outer ring assembly is not higher than the lower end of the outer ring elastic member and not higher than the lower end of the inner ring elastic member.
In the scheme, the outer ring outer side wall of the outer ring moving part at the outermost side of the outer ring assembly can completely enclose the outer ring elastic part and the inner ring elastic part, so that the influence of flame heat radiation and high-temperature flue gas heat convection on the outer ring elastic part and the inner ring elastic part is reduced, and the outer ring elastic part and the inner ring elastic part have a good protection effect.
Preferably, the lower end of the inner ring side wall is lower than the lower end of the inner ring temperature measuring thermosensitive part of the inner ring temperature measuring member and higher than the lower end of the inner ring elastic member, and the lower ends of the outer ring side wall and the outer ring inner side wall are lower than the lower end of the outer ring temperature measuring thermosensitive part of the outer ring temperature measuring member and higher than the lower end of the outer ring elastic member except the outer ring side wall of the outer ring moving member at the outermost side of the outer ring assembly.
In this scheme, because prevent that dry combustion method temperature probe inside interior ring elastic component and outer loop elastic component can produce certain deformation when receiving the pressure of pan bottom, and prevent dry combustion method temperature probe in order being convenient for install, the volume can set up less generally, and then for interior ring elastic component and outer loop elastic component set up for the deformation space that leaves is less relatively, through above-mentioned structure setting for interior ring elastic component and outer loop elasticity are in the state of being surrounded by the part, have both played the spacing effect to interior ring elastic component and outer loop elastic component, can reduce again to preventing occupation of dry combustion method temperature probe's inner space, thereby reserve sufficient space for the compressive deformation of interior ring elastic component and outer loop elastic component.
Preferably, the outer ring moving member further comprises a limiting portion, the limiting portion is located in the outer ring accommodating cavity and connected to the inner side wall of the outer ring or the outer side wall of the outer ring, along the vertical direction, the horizontal plane where the upper surface of the limiting portion is located is not higher than the horizontal plane where the lower end of the inner ring temperature-measuring thermosensitive portion is located and is not higher than the horizontal plane where the lower end of the outer ring temperature-measuring thermosensitive portion is located, the limiting portion divides the outer ring accommodating cavity into an upper cavity and a lower cavity, the outer ring elastic member is at least partially located in the lower cavity, and two ends of the outer ring elastic member are respectively contacted with the limiting portion and the bottom support.
In the scheme, the limiting part can serve as one abutting end of the outer ring elastic piece, the outer ring accommodating cavity is divided into the upper cavity and the lower cavity, the upper cavity is an air cavity, a good heat insulation effect is achieved, the lower cavity has a certain limiting effect on the outer ring elastic piece, and the outer ring elastic piece is prevented from being deviated; and because the horizontal plane at the upper surface of the limiting part is not higher than the horizontal plane at the lower end of the outer ring temperature-measuring thermosensitive part and is not higher than the horizontal plane at the lower end of the inner ring temperature-measuring thermosensitive part, the upper cavity can form a surrounding on the outer ring temperature-measuring thermosensitive part and the inner ring temperature-measuring thermosensitive part in the vertical direction, the upper cavity is fully used as an air cavity to insulate heat, the influence of external flame heat radiation and high-temperature flue gas heat convection on the inner ring temperature-measuring thermosensitive part and the outer ring temperature-measuring thermosensitive part is reduced, and the accuracy of the temperature measurement of the inner ring temperature-measuring part and the outer ring temperature-measuring part is improved.
The pan bottom temperature measuring method of the dry-heating preventing temperature measuring probe is suitable for the dry-heating preventing temperature measuring probe and comprises the following steps of:
and judging whether the temperatures of the outer ring temperature measuring piece and the inner ring temperature measuring piece exceed a threshold value or not sequentially from outside to inside along the radial direction of the dry-heating prevention temperature measuring probe, if not, continuing to measure the temperature or judging whether the temperature of the outer ring temperature measuring piece adjacent to the outer ring temperature measuring piece exceeds the threshold value, if so, judging whether the temperature of the inner ring temperature measuring piece adjacent to the outer ring temperature measuring piece or the inner ring temperature measuring piece exceeds the threshold value until the temperature of the inner ring temperature measuring piece exceeds the threshold value, and cutting off the gas supply of the burner.
In this scheme, through the ring by ring temperature measurement, carry out the multiple spot temperature measurement to the pan bottom through a plurality of outer loop temperature measurement spare and inner loop temperature measurement spare promptly to judge in proper order, can reduce the temperature measurement error, avoided single temperature measurement point to cause the inaccurate defect of temperature measurement easily in traditional scheme. By the pan bottom temperature measuring method, the accuracy of the dry-heating prevention temperature measuring probe temperature measurement is improved, the multipoint temperature measurement is realized, misjudgment is avoided, and when the temperature of the bottom of the pan reaches the threshold value of the temperature measuring piece, the gas supply is cut off, so that the pan is prevented from being burnt.
The burner comprises a fire cover, wherein a mounting channel is formed in the middle of the fire cover, the burner further comprises the dry-heating-preventing temperature measuring probe, and the dry-heating-preventing temperature measuring probe is arranged in the mounting channel.
In the scheme, the dry-heating prevention temperature measuring probe is arranged in the installation channel in the middle of the fire cover of the burner, and when the cooker is placed above the burner, the dry-heating prevention temperature measuring probe can be aligned with the bottom of the cooker, so that the accuracy of the temperature measuring position is improved; the dry-heating-preventing temperature measuring probe is arranged through the inner ring assembly and the outer ring assembly, so that the compactness of the dry-heating-preventing temperature measuring probe and the bottom of the cooker is guaranteed, multi-point temperature measurement is realized, the accuracy of temperature measurement of the dry-heating-preventing temperature measuring probe is further improved, misjudgment is avoided, and when the temperature of the bottom of the cooker reaches the threshold value of a temperature measuring piece, the gas supply of a burner is cut off, and the cooker is prevented from being burnt.
Preferably, the top of the dry-heating prevention temperature measurement probe is higher than the top of the fire cover.
In this scheme, when the pan was placed in the top of combustor, prevent dry combustion method temperature probe's height is enough to make its bottom that contacts the pan to receive the pressure from the pan bottom, can guarantee to prevent dry combustion method temperature probe and pan bottom closely laminating.
The invention has the positive progress effects that:
the dry-heating-preventing temperature measuring probe is provided with the inner ring moving part and the plurality of outer ring moving parts, the suitability of the dry-heating-preventing temperature measuring probe and the bottom of the cooker and the positioning accuracy are improved by the arrangement of the plurality of ring bodies, and the defect that a single ring body is easy to contact with the bottom of the cooker in the traditional scheme is avoided; the inner ring temperature measuring piece and the plurality of outer ring temperature measuring pieces can carry out multipoint temperature measurement on the bottom of the cooker, so that temperature measurement errors are reduced, and the defect that inaccurate temperature measurement is easily caused by a single temperature measuring point in the traditional scheme is avoided; the inner ring moving parts and the outer ring moving parts are arranged at intervals, namely, air interlayers are arranged between the inner ring moving parts and the adjacent outer ring moving parts and between the outer ring moving parts, and have good heat insulation effect, so that heat transfer between the inner ring moving parts and the outer ring moving parts can be reduced. Through the structure, the dry-heating-preventing temperature measuring probe is guaranteed to be closely attached to the bottom of the cooker, multi-point temperature measurement is achieved, accuracy of the dry-heating-preventing temperature measuring probe in temperature measurement is improved, misjudgment is avoided, and when the temperature of the bottom of the cooker reaches the threshold value of a temperature measuring piece, gas supply is cut off, so that the cooker is prevented from being burnt.
Drawings
FIG. 1 is a block diagram of an anti-dry-fire temperature probe of the present invention.
FIG. 2 is a front view of the dry-fire prevention temperature probe of the present invention.
FIG. 3 is a top view of the dry-fire prevention temperature probe of the present invention.
FIG. 4 is a cross-sectional view of the dry-fire prevention temperature probe of the present invention.
FIG. 5 is an exploded view of the dry-fire prevention temperature probe of the present invention.
Fig. 6 is a structural view of the burner of the present invention.
Fig. 7 is a front view of the burner of the present invention.
Fig. 8 is a top view of the burner of the present invention.
Reference numerals illustrate:
inner ring assembly 1
Inner ring moving member 11
Inner ring contact portion 111
Inner ring sidewall 112
Inner ring receiving cavity 113
Inner ring temperature measuring member 12
Inner ring temperature measuring thermosensitive part 121
Inner ring elastic member 13
Outer ring assembly 2
Outer ring moving member 21
Outer ring abutment 211
Outer ring inner sidewall 212
Outer ring outer side wall 213
Outer ring receiving cavity 214
Upper chamber 2141
Lower chamber 2142
Outer ring temperature measuring part 22
Outer ring temperature measuring thermosensitive part 221
Outer ring elastic member 23
Limit part 24
Bottom bracket 3
Burner 100
Fire cover 101
Mounting channel 1011
Dry-heating-preventing temperature measuring probe 102
Detailed Description
The invention will now be more fully described by way of example only and with reference to the accompanying drawings, but the invention is not thereby limited to the embodiments described.
As shown in fig. 1 to 5, the embodiment provides a dry-heating preventing temperature measuring probe 102, the dry-heating preventing temperature measuring probe 102 includes an inner ring assembly 1 and an outer ring assembly 2, the inner ring assembly 1 includes an inner ring moving member 11 and an inner ring temperature measuring member 12, the inner ring temperature measuring member 12 is in heat conduction contact with the inner ring moving member 11, the outer ring assembly 2 includes a plurality of outer ring moving members 21 and a plurality of outer ring temperature measuring members 22, the single outer ring moving member 21 is in heat conduction contact with the plurality of outer ring temperature measuring members 22, and the inner ring moving member 11 and the plurality of outer ring moving members 21 are arranged at intervals along the radial direction of the dry-heating preventing temperature measuring probe 102 from inside to outside. The dry-heating prevention temperature measurement probe 102 is provided with the inner ring moving part 11 and the plurality of outer ring moving parts 21, the suitability and the positioning accuracy of the dry-heating prevention temperature measurement probe 102 and the bottom of the cooker are improved by the arrangement of the plurality of ring bodies, and the defect that a single ring body is easy to contact with the bottom of the cooker in the traditional scheme is avoided; the inner ring temperature measuring piece 12 and the plurality of outer ring temperature measuring pieces 22 can carry out multipoint temperature measurement on the bottom of the cooker, so that temperature measurement errors are reduced, and the defect that inaccurate temperature measurement is easily caused by a single temperature measuring point in the traditional scheme is avoided; the inner ring moving members 11 and the plurality of outer ring moving members 21 are arranged at intervals, namely, air separation layers are arranged between the inner ring moving members 11 and the adjacent outer ring moving members 21 and between the plurality of outer ring moving members 21, and have a good heat insulation effect, so that heat transfer between the inner ring moving members 11 and the plurality of outer ring moving members 21 can be reduced. Through the structure, the dry-heating-preventing temperature measuring probe 102 is guaranteed to be tightly attached to the bottom of the cooker, multi-point temperature measurement is achieved, the accuracy of the dry-heating-preventing temperature measuring probe 102 in temperature measurement is improved, misjudgment is avoided, and when the temperature of the bottom of the cooker reaches the threshold value of a temperature measuring piece, gas supply is cut off, so that the cooker is prevented from being burnt.
Specifically, in this embodiment, the outer ring assembly 2 includes two outer ring moving members 21, that is, the inner ring assembly 1 and the outer ring assembly 2 divide the dry-heating-preventing temperature probe 102 into three movable areas together, so that the degree of freedom of the contact surface between the dry-heating-preventing temperature probe 102 and the bottom of the pot in the vertical direction is increased, and the pot can adapt to pots with different profiles, in particular to a pot with a sharp bottom. In other embodiments, the number and size of the inner ring moving member 11 and the outer ring moving member 21 may be different according to the size of the installation channel 1011 of the burner 100 for installing the dry-heating preventing temperature measuring probe 102 and the shape of the pot, and is not limited to the present embodiment.
In this embodiment, the plurality of outer ring temperature measuring members 22 in thermal conductive contact with the single outer ring moving member 21 are uniformly arranged along the circumferential direction of the outer ring moving member 21, so that uniform selection of temperature measuring points is realized, temperature measuring errors are reduced, temperature measuring precision is improved, and the problem that temperature measuring errors are large due to concentration of temperature measuring points in a certain area is avoided.
In this embodiment, the single outer ring moving member 21 is in heat conduction contact with an even number of outer ring temperature measuring members 22, and the plurality of outer ring temperature measuring members 22 are symmetrically arranged in pairs along the radial direction of the outer ring moving member 21, so that the rationality of temperature measuring point distribution is further ensured, and especially when the cooker is obliquely placed, the temperature measuring members which are symmetrically arranged in the radial direction can reflect the inclination condition of the cooker through the temperature difference, and then the position of the cooker can be correspondingly adjusted.
In this embodiment, the outer ring temperature measuring members 22 of the adjacent outer ring moving members 21 are arranged in a collinear manner, so that a straight line along the line, i.e. a certain radial direction of the dry-heating preventing temperature measuring probe 102, can be reflected more accurately, and the temperature change of the bottom of the pot can be determined more accurately.
In this embodiment, the dry-heating preventing temperature measurement probe 102 further includes a base 3; the inner ring assembly 1 further comprises an inner ring elastic member 13, and two ends of the inner ring elastic member 13 respectively contact the inner ring moving member 11 and the collet 3 along the vertical direction; the outer ring assembly 2 further comprises a plurality of outer ring elastic members 23, the plurality of outer ring elastic members 23 are arranged in one-to-one correspondence with the plurality of outer ring moving members 21, and two ends of the outer ring elastic members 23 respectively contact the outer ring moving members 21 and the collet 3 along the vertical direction. The bottom bracket 3 is used as a supporting component of the dry-heating-preventing temperature measuring probe 102, so that the stability of the dry-heating-preventing temperature measuring probe 102 is improved; the setting of inner ring elastic member 13 and outer loop elastic member 23 for the removal of inner ring moving member 11 and outer loop moving member 21 is more nimble, and when the pan applys decurrent effort to preventing dry combustion method temperature probe 102, inner ring elastic member 13 and outer loop elastic member 23 respectively applys ascending effort to inner ring moving member 11 and outer loop moving member 21, makes the laminating of preventing dry combustion method temperature probe 102 and pan bottom inseparabler, and then improves the accuracy of temperature measurement.
In this embodiment, the inner ring moving member 11 includes an inner ring abutting portion 111 and an inner ring side wall 112, the inner ring temperature measuring member 12 is connected to the inner ring abutting portion 111, and the inner ring abutting portion 111 is used for abutting against the bottom of the pan, so that the measuring point of the inner ring temperature measuring member 12 is located at the center position of the bottom of the pan, and accuracy of the temperature measuring position is improved; the inner ring side wall 112 extends downwards along the side edge of the inner ring abutting part 111 and encloses the inner ring accommodating cavity 113 with the inner ring abutting part 111, the inner ring elastic member 13 is at least partially positioned in the inner ring accommodating cavity 113, the inner ring side wall 112 has a certain protection effect and a certain limiting effect on part of the inner ring temperature measuring member 12 and part of the elastic member positioned in the inner ring accommodating cavity 113, and the inner ring side wall 112 has a certain heat insulation effect, so that the influence of external heat on the temperature measurement of the inner ring temperature measuring member 12 is reduced.
In this embodiment, the outer ring moving member 21 includes an outer ring abutting portion 211, an outer ring inner side wall 212 and an outer ring outer side wall 213, the outer ring abutting portion 211 is annular, and the outer ring abutting portion 211 can be attached to the bottom of the pan along the circumferential direction thereof, so that the attachment of the outer ring abutting portion 211 and the bottom of the pan is more stable, and dislocation movement is not easy to occur between the outer ring abutting portion 211 and the bottom of the pan; the outer ring temperature measuring piece 22 is connected to the outer ring abutting part 211, and the outer ring abutting part 211 is used for abutting with the bottom of the cooker, so that the measuring point of the outer ring temperature measuring piece 22 is closer to the center position of the bottom of the cooker, and the accuracy of the temperature measuring position is improved; the outer ring inner side wall 212 and the outer ring outer side wall 213 extend downwards along the inner side edge and the outer side edge of the outer ring abutting portion 211 respectively, and enclose an outer ring accommodating cavity 214 with the outer ring abutting portion 211, and the outer ring elastic member 23 is at least partially located in the outer ring accommodating cavity 214, and the outer ring inner side wall 212 and the outer ring outer side wall 213 have a certain protection effect and a certain limiting effect on the outer ring elastic member 23.
Specifically, in the present embodiment, the shape of the outer ring abutment portion 211 is a circular ring, and in other embodiments, the shape of the outer ring abutment portion 211 may be other rings, such as an elliptical ring, a polygonal ring, or the like, without being limited to a circular ring. The annular outer ring contact portion 211 may be integrally formed or may be formed by joining together.
Specifically, in the present embodiment, the inner ring temperature measuring member 12 is connected to the lower surface of the inner ring abutment 111 by a welding point, and the outer ring temperature measuring member 22 is connected to the lower surface of the outer ring abutment 211 by a welding point. In other embodiments, the inner ring temperature measuring member 12 may be connected to the lower surface of the inner ring abutment 111 by gluing, and the outer ring temperature measuring member 22 may be connected to the lower surface of the outer ring abutment 211 by gluing.
In the present embodiment, the lower end of the outer ring outer side wall 213 of the outermost outer ring moving member 21 of the outer ring assembly 2 is not higher than the lower end of the outer ring elastic member 23 and not higher than the lower end of the inner ring elastic member 13. The outer ring outer side wall 213 of the outer ring moving member 21 at the outermost side of the outer ring assembly 2 can completely enclose the outer ring elastic member 23 and the inner ring elastic member 13 therein, so that the influence of flame heat radiation and high-temperature flue gas heat convection on the outer ring elastic member 23 and the inner ring elastic member 13 is reduced, and the outer ring elastic member 23 and the inner ring elastic member 13 have a better protection effect.
In the present embodiment, the lower end of the inner ring side wall 112 is lower than the lower end of the inner ring temperature sensing portion 121 of the inner ring temperature measuring member 12 and higher than the lower end of the inner ring elastic member 13, and the lower ends of the outer ring side wall 213 and the inner ring side wall 212 are lower than the lower end of the outer ring temperature sensing portion 221 of the outer ring temperature measuring member 22 and higher than the lower end of the outer ring elastic member 23 except for the outer ring side wall 213 of the outermost outer ring moving member 21 of the outer ring assembly 2. Because the inner ring elastic member 13 and the outer ring elastic member 23 inside the dry-heating prevention temperature measurement probe 102 can generate certain deformation when being subjected to pressure of the bottom of the cooker, the volume of the dry-heating prevention temperature measurement probe 102 is usually smaller for convenient installation, and further the deformation space reserved for the inner ring elastic member 13 and the outer ring elastic member 23 is relatively smaller.
In this embodiment, the outer ring moving member 21 further includes a limiting portion 24, the limiting portion 24 is located in the outer ring accommodating cavity 214 and connected to the inner side wall 212 or the outer side wall 213 of the outer ring, along the vertical direction, the level of the upper surface of the limiting portion 24 is not higher than the level of the lower end of the inner ring temperature-measuring and heat-sensing portion 121 and not higher than the level of the lower end of the outer ring temperature-measuring and heat-sensing portion 221, the limiting portion 24 divides the outer ring accommodating cavity 214 into an upper cavity 2141 and a lower cavity 2142, the outer ring elastic member 23 is at least partially located in the lower cavity 2142, and two ends of the outer ring elastic member 23 respectively contact the limiting portion 24 and the collet 3. The limiting part 24 can serve as an abutting end of the outer ring elastic member 23, and on the other hand, the outer ring accommodating cavity 214 is divided into an upper cavity 2141 and a lower cavity 2142, the upper cavity 2141 is an air cavity and has a good heat insulation effect, and the lower cavity 2142 has a certain limiting effect on the outer ring elastic member 23 to prevent the outer ring elastic member 23 from shifting; because the horizontal plane of the upper surface of the limiting part 24 is not higher than the horizontal plane of the lower end of the outer ring temperature-measuring thermosensitive part 221 and is not higher than the horizontal plane of the lower end of the inner ring temperature-measuring thermosensitive part 121, the upper chamber 2141 can form a surrounding on the outer ring temperature-measuring thermosensitive part 221 and the inner ring temperature-measuring thermosensitive part 121 in the vertical direction, the heat insulation effect of the upper chamber 2141 serving as an air chamber is fully exerted, the influence of external flame heat radiation and high-temperature flue gas heat convection on the inner ring temperature-measuring thermosensitive part 121 and the outer ring temperature-measuring thermosensitive part 221 is reduced, and the temperature measuring accuracy of the inner ring temperature-measuring part 12 and the outer ring temperature-measuring part 22 is improved.
The embodiment also provides a bottom temperature measuring method of the dry-heating preventing temperature measuring probe 102, which is applicable to the dry-heating preventing temperature measuring probe 102, and comprises the following steps: in the radial direction of the dry-heating prevention temperature measuring probe 102, whether the temperature of each outer ring temperature measuring element 22 and each inner ring temperature measuring element 12 exceeds a threshold value is sequentially judged from outside to inside, if not, the temperature measurement is continued or whether the temperature of the outer ring temperature measuring element 22 adjacent to the temperature measuring element exceeds the threshold value is judged, if so, whether the temperature of the outer ring temperature measuring element 22 or the inner ring temperature measuring element 12 adjacent to the temperature measuring element exceeds the threshold value is judged, until the temperature of the inner ring temperature measuring element 12 exceeds the threshold value, and the gas supply of the burner 100 is cut off. Through the ring by ring temperature measurement, namely through a plurality of outer ring temperature measurement piece 22 and interior ring temperature measurement piece 12 to the pan bottom carries out the multiple spot temperature measurement to judge in proper order, can reduce the temperature measurement error, avoided single temperature measurement point to cause the inaccurate defect of temperature measurement easily in traditional scheme. By the pan bottom temperature measuring method, the accuracy of temperature measurement of the dry-heating prevention temperature measuring probe 102 is improved, multipoint temperature measurement is realized, misjudgment is avoided, and when the temperature of the bottom of the pan reaches the threshold value of the temperature measuring piece, gas supply is cut off, so that the pan is prevented from being burnt.
Specifically, in this embodiment, the method for measuring the temperature of the bottom of the pan specifically includes the following steps:
step S1, the pan bottom is contacted with an anti-dry heating temperature measuring probe 102, a cooker is started, and the temperature of the pan bottom is collected by an outer ring temperature measuring piece 22 and an inner ring temperature measuring piece 12;
step S2, judging whether the outer ring temperature measuring piece 22 of the outer ring moving piece 21 at the outermost side exceeds a threshold value, if not, continuing to measure the temperature, and if so, performing the following step S3;
step S3, judging whether the outer ring temperature measuring piece 22 of the outer ring moving piece 21 adjacent to the outermost outer ring moving piece 21 exceeds the threshold value, if not, performing step S2, if so, judging whether the outer ring temperature measuring piece 22 of the outer ring moving piece 21 adjacent to the inner ring moving piece 11 exceeds the threshold value, and performing judgment by analogy until the following step S4 is performed;
step S4, judging whether the outer ring temperature measuring piece 22 of the outer ring moving piece 21 adjacent to the inner ring moving piece 11 exceeds a threshold value, if not, judging whether the outer ring temperature measuring piece 22 of the outer ring moving piece 21 adjacent to the inner ring moving piece 11 far away from the inner ring moving piece exceeds the threshold value, and if so, performing the following step S5;
step S5, judging whether the outer ring temperature measuring piece 22 of the inner ring moving piece 11 exceeds the threshold value, if yes, cutting off the gas supply of the kitchen range, otherwise, executing the step S4.
As shown in fig. 6 to 8, the present embodiment further provides a combustor 100, including a fire cover 101, wherein an installation channel 1011 is provided in the middle of the fire cover 101, the combustor 100 further includes the above dry-heating-preventing temperature probe 102, and the dry-heating-preventing temperature probe 102 is disposed in the installation channel 1011. The dry-heating prevention temperature measurement probe 102 is arranged in the mounting channel 1011 in the middle of the fire cover 101 of the burner 100, when the cooker is placed above the burner 100, the dry-heating prevention temperature measurement probe 102 can be aligned with the bottom of the cooker, and the accuracy of the temperature measurement position is improved; the setting of preventing dry combustion method temperature probe 102 through inner ring subassembly 1 and outer loop subassembly 2 has guaranteed that prevent dry combustion method temperature probe 102 and pan bottom laminating ground compactness, and has realized the multiple spot temperature measurement, and then has improved the temperature measurement's of preventing dry combustion method temperature probe 102 accuracy, avoids taking place the misjudgement, when the temperature of pan bottom reaches the threshold value of temperature measurement spare, cuts off the gas supply of combustor 100, prevents that the pan from drying out.
In this embodiment, the top of the dry-fire prevention temperature measurement probe 102 is higher than the top of the fire cover 101. When the cooker is placed above the burner 100, the height of the dry-heating prevention temperature measurement probe 102 is enough to enable the dry-heating prevention temperature measurement probe to contact the bottom of the cooker, and the dry-heating prevention temperature measurement probe 102 can be tightly attached to the bottom of the cooker under the pressure from the bottom of the cooker.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (13)
1. The utility model provides a prevent dry combustion method temperature probe, its characterized in that, prevent dry combustion method temperature probe includes inner ring subassembly and outer loop subassembly, inner ring subassembly includes inner ring moving member and inner ring temperature measuring member, inner ring temperature measuring member with inner ring moving member heat conduction contact, outer loop subassembly includes a plurality of outer loop moving member and a plurality of outer loop temperature measuring member, single outer loop moving member heat conduction contact has a plurality of outer loop temperature measuring member, follows prevent dry combustion method temperature probe's radial, from inside to outside, inner ring moving member, a plurality of outer loop moving member interval sets up.
2. The dry-fire prevention temperature measurement probe of claim 1, wherein a plurality of the outer ring temperature measurement members in thermal contact with a single outer ring moving member are uniformly arranged along the circumferential direction of the outer ring moving member.
3. The dry-heating prevention temperature measurement probe according to claim 1, wherein an even number of outer ring temperature measurement members are in heat conduction contact with a single outer ring moving member, and a plurality of outer ring temperature measurement members are symmetrically arranged in pairs along the radial direction of the outer ring moving member.
4. The dry-fire prevention temperature probe of claim 1 wherein said outer ring temperature measurement members adjacent said outer ring displacement member are disposed co-linearly.
5. The dry-fire prevention temperature probe of claim 1, further comprising a shoe;
the inner ring assembly further comprises an inner ring elastic piece, and two ends of the inner ring elastic piece are respectively contacted with the inner ring moving piece and the collet along the vertical direction;
the outer ring assembly further comprises a plurality of outer ring elastic pieces, the outer ring elastic pieces and the outer ring moving pieces are arranged in one-to-one correspondence, and two ends of the outer ring elastic pieces are respectively contacted with the outer ring moving pieces and the bottom support along the vertical direction.
6. The dry heating prevention temperature measurement probe of claim 5, wherein the inner ring moving member comprises an inner ring abutting portion and an inner ring side wall, the inner ring temperature measurement member is connected to the inner ring abutting portion, the inner ring abutting portion is used for abutting against the bottom of the pot, the inner ring side wall extends downwards along the side edge of the inner ring abutting portion and encloses an inner ring accommodating cavity with the inner ring abutting portion, and the inner ring elastic member is at least partially located in the inner ring accommodating cavity.
7. The dry heating preventing temperature measuring probe of claim 6, wherein the outer ring moving member comprises an outer ring abutting portion, an outer ring inner side wall and an outer ring outer side wall, the outer ring abutting portion is annular, the outer ring temperature measuring member is connected to the outer ring abutting portion, the outer ring abutting portion is used for abutting against the bottom of the pot, the outer ring inner side wall and the outer ring outer side wall extend downwards along the inner side edge and the outer side edge of the outer ring abutting portion respectively and enclose an outer ring accommodating cavity with the outer ring abutting portion, and the outer ring elastic member is at least partially located in the outer ring accommodating cavity.
8. The dry-fire prevention temperature probe of claim 7, wherein a lower end of the outer ring outer sidewall of the outer ring moving member at an outermost side of the outer ring assembly is not higher than a lower end of the outer ring elastic member and not higher than a lower end of the inner ring elastic member.
9. The dry-fire prevention temperature measurement probe of claim 8, wherein the lower end of the inner ring side wall is lower than the lower end of the inner ring temperature measurement thermosensitive portion of the inner ring temperature measurement member and higher than the lower end of the inner ring elastic member, and the lower ends of the outer ring side wall and the outer ring inner side wall are lower than the lower end of the outer ring temperature measurement thermosensitive portion of the outer ring temperature measurement member and higher than the lower end of the outer ring elastic member except the outer ring side wall of the outer ring moving member at the outermost side of the outer ring assembly.
10. The dry-heating-preventing temperature measurement probe according to claim 9, wherein the outer ring moving member further comprises a limiting portion, the limiting portion is located in the outer ring accommodating cavity and connected to the inner side wall of the outer ring or the outer side wall of the outer ring, a horizontal plane where an upper surface of the limiting portion is located is not higher than a horizontal plane where a lower end of the inner ring temperature measurement temperature sensing portion is located and is not higher than a horizontal plane where a lower end of the outer ring temperature measurement temperature sensing portion is located, the limiting portion divides the outer ring accommodating cavity into an upper cavity and a lower cavity, the outer ring elastic member is located at least partially in the lower cavity, and two ends of the outer ring elastic member are respectively contacted with the limiting portion and the bottom support.
11. A bottom temperature measurement method of a dry-heating prevention temperature measurement probe, which is characterized in that the bottom temperature measurement method is suitable for the dry-heating prevention temperature measurement probe according to any one of claims 1 to 10, and comprises the following steps:
and judging whether the temperatures of the outer ring temperature measuring piece and the inner ring temperature measuring piece exceed a threshold value or not sequentially from outside to inside along the radial direction of the dry-heating prevention temperature measuring probe, if not, continuing to measure the temperature or judging whether the temperature of the outer ring temperature measuring piece adjacent to the outer ring temperature measuring piece exceeds the threshold value, if so, judging whether the temperature of the inner ring temperature measuring piece adjacent to the outer ring temperature measuring piece or the inner ring temperature measuring piece exceeds the threshold value until the temperature of the inner ring temperature measuring piece exceeds the threshold value, and cutting off the gas supply of the burner.
12. A burner comprising a fire cover, wherein a mounting channel is formed in the middle of the fire cover, and the burner further comprises a dry-burning-prevention temperature measurement probe according to any one of claims 1-10, wherein the dry-burning-prevention temperature measurement probe is arranged in the mounting channel.
13. The burner of claim 12, wherein the top of the dry-fire prevention temperature probe is higher than the top of the fire cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692678.5A CN117288347A (en) | 2022-06-17 | 2022-06-17 | Dry-heating-preventing temperature measuring probe, pot bottom temperature measuring method and burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692678.5A CN117288347A (en) | 2022-06-17 | 2022-06-17 | Dry-heating-preventing temperature measuring probe, pot bottom temperature measuring method and burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117288347A true CN117288347A (en) | 2023-12-26 |
Family
ID=89252275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210692678.5A Pending CN117288347A (en) | 2022-06-17 | 2022-06-17 | Dry-heating-preventing temperature measuring probe, pot bottom temperature measuring method and burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117288347A (en) |
-
2022
- 2022-06-17 CN CN202210692678.5A patent/CN117288347A/en active Pending
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