CN217403635U - Temperature control probe and stove - Google Patents
Temperature control probe and stove Download PDFInfo
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- CN217403635U CN217403635U CN202221397510.3U CN202221397510U CN217403635U CN 217403635 U CN217403635 U CN 217403635U CN 202221397510 U CN202221397510 U CN 202221397510U CN 217403635 U CN217403635 U CN 217403635U
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- temperature
- probe
- probe body
- temperature control
- heat insulating
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Abstract
The utility model provides a control by temperature change probe and cooking utensils relates to the temperature detection technology field, and the control by temperature change probe encloses to locate including the probe main part at least the heat insulating part on the upper portion of probe main part, heat insulating part is followed the axis of probe main part encircles the probe main part, heat insulating part's top is less than the top of probe main part, heat insulating part's material is advanced ceramic material. The utility model discloses, the heat insulating part adopts advanced ceramic material, fine high temperature resistance has, and the heat insulating part encircles the probe main part along the axis of probe main part, when the hot-flow field temperature is very high around the probe main part, the temperature of the inside and outside of heat insulating part has great difference in temperature, inside temperature can be a lot lower than the high temperature flow field, even lead to the temperature element who transmits the probe main part in, the temperature that also can be than temperature element's temperature measurement object is low, the event can not influence the accuracy nature of temperature sensing of temperature control probe, high temperature gas reduces the influence of temperature control probe by a wide margin on every side.
Description
Technical Field
The utility model relates to a temperature detect technical field, in particular to control by temperature change probe and cooking utensils.
Background
The existing temperature control probes on the market adopt an all-metal form. The probes are arranged in the center of the inner ring fire cover, when the combustor burns, a high-temperature flow field is arranged around the combustor, the temperature of high-temperature flue gas is much higher than the sensing temperature of the top of the probe contacting the bottom of the pot, and because metal conducts heat quickly, the surrounding heat flow field can be conducted to a temperature sensing element at the top of the probe through the side wall (in contact connection with the top) of the probe, so that the temperature sensing of the temperature control probe is not accurate enough and is greatly influenced by the surrounding high-temperature flue gas. Therefore, the situation that the anti-dry heating function of the stove is triggered and judged by mistake often happens.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a control by temperature change probe and cooking utensils in order to overcome among the prior art temperature sensing of control by temperature change probe accurate inadequately, receive the defect that the influence of high temperature flue gas is big on every side.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a temperature control probe comprises a probe body and a heat insulation part at least arranged on the upper part of the probe body in a surrounding mode, wherein the heat insulation part surrounds the probe body along the axis of the probe body, the top end of the heat insulation part is lower than the top end of the probe body, and the heat insulation part is made of advanced ceramic materials.
In this scheme, the heat insulating part adopts advanced ceramic material, has fine high temperature resistance, and the axis that the heat insulating part was followed the probe main part encircles the probe main part, when the hot-flow field temperature was very high around the probe main part, the temperature of the inside and outside of heat insulating part has great difference in temperature, inside temperature can be a lot of than the high temperature flow field, even lead to the temperature measurement component who transmits in the probe main part, also can be than the temperature measurement object's of temperature measurement component temperature measurement temperature low, so can not influence the accuracy nature of the temperature sensing of temperature control probe, the influence of high temperature gas to temperature control probe on every side reduces by a wide margin.
Preferably, the temperature control probe further comprises a base, the base is sleeved on the probe main body and located below the heat insulation portion, and the heat insulation portion is fixed on the base.
In this scheme, through setting up the base, for the installation of thermal-insulated portion provides the support, the skew can not take place for thermal-insulated portion.
Preferably, a protruding portion is arranged on the base, and a recessed portion matched with the protruding portion is arranged at one end, close to the base, of the heat insulation portion.
In this scheme, through the cooperation of bellying with the depressed part, improved the reliability that thermal-insulated portion and base are connected, the fixed of thermal-insulated portion is more stable.
Preferably, the convex part is provided with a plurality of convex parts which are distributed at intervals, and the concave part is provided with a plurality of concave parts which are distributed at intervals.
In this scheme, through setting up a plurality of bellyings and depressed part, further improved the reliability that thermal-insulated portion and base are connected.
Preferably, the probe body includes a moving part, a fixed part, an elastic element and a temperature measuring element, the elastic element is used for contacting with the moving part and enabling the moving part to elastically move up and down through elasticity, the temperature measuring element is arranged on the top of the moving part, and the fixed part is used for supporting the moving part through the elastic element.
In this scheme, elastic element makes the moving part elastic movement from top to bottom through elasticity for the temperature measurement object is inseparabler with the contact of moving part top, and temperature measurement element sets up at moving part's top, and temperature measurement is more accurate.
Preferably, the temperature measuring element comprises a thermistor and a heat collecting plate, the thermistor is attached to the heat collecting plate, and the heat collecting plate is in contact with the temperature measuring object.
In this scheme, through thermal-arrest board and temperature measurement object contact, effectively guaranteed the accuracy of temperature measurement.
Preferably, the fixed part and the moving part are arranged in a hollow manner, and a lead is arranged inside the fixed part and the moving part and is electrically connected with the thermistor.
In this scheme, the wire arrange that on the one hand, the space utilizes rationally, can not occupy the exterior space, on the other hand sets up the wire in fixed part and moving part's inside, and fixed part and moving part have played the guard action to the wire, are difficult for receiving outside high-temperature gas's interference.
Preferably, the elastic element is a spring.
Preferably, the probe main body comprises a temperature measuring element positioned at the top of the probe main body, and the temperature measuring element protrudes out of the heat insulation part.
In the scheme, the heat insulation part can not contact the pot bottom, so that the influence of a high-temperature flow field on temperature sensing of the temperature control probe is further reduced.
Preferably, the temperature measuring element protrudes 1-2mm from the heat insulation part.
In this scheme, provide an optimal protrusion distance, neither can make thermal-insulated portion contact bottom of a boiler, also can not cause the thermal-insulated distance of temperature element protrusion thermal-insulated portion too big, receive the influence of high temperature air current.
Preferably, a gap is provided between the thermal insulation portion and the probe body in a radial direction of the probe body.
In this aspect, there is air separation because the thermal insulation portion and the probe body do not directly contact. The external high temperature can not be directly conducted to the temperature sensing main body through the heat insulation part, so that the high-temperature flow field can not interfere the temperature sensing of the temperature sensing probe, and the accuracy of temperature measurement is effectively ensured.
Preferably, the gap between the thermal insulation part and the probe body is 1-2 mm.
In the scheme, a preferable gap distance is provided, air separation exists between the air inlet and the air outlet, and the overall size cannot be too large.
Preferably, a hob includes a temperature control probe as described above.
In this scheme, the temperature sensing of cooking utensils is more accurate, is difficult for receiving the influence of high temperature flue gas on every side.
The utility model discloses an actively advance the effect and lie in: the heat insulation part adopts advanced ceramic materials, and has good high temperature resistance, and the heat insulation part surrounds the probe main body along the axis of the probe main body, when the temperature of the hot flow field around the probe main body is very high, the temperature of the inner side and the outer side of the heat insulation part has great temperature difference, the internal temperature can be much lower than the high-temperature flow field, even though the temperature measuring element is transmitted to the probe main body, the temperature of the temperature measuring object of the temperature measuring element can be lower than that of the temperature measuring element, so the accuracy of temperature sensing of the temperature control probe can not be influenced, and the influence of surrounding high-temperature gas on the temperature control probe is greatly reduced.
Drawings
Fig. 1 is a schematic perspective view of a temperature control probe according to a preferred embodiment of the present invention;
fig. 2 is an exploded schematic view of a temperature control probe according to a preferred embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a temperature control probe according to a preferred embodiment of the present invention.
Moving part 110
Fixing member 130
Thermistor 141
Conducting wire 400
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present embodiment provides a temperature control probe, which includes a probe body 100 and a thermal insulation part 200 at least enclosing an upper portion of the probe body 100, wherein the thermal insulation part 200 surrounds the probe body 100 along an axis of the probe body 100, a tip of the thermal insulation part 200 is lower than a tip of the probe body 100, and a material of the thermal insulation part 200 is an advanced ceramic material.
The heat insulation part 200 is made of advanced ceramic material and has good high temperature resistance, the heat insulation part 200 surrounds the probe body 100 along the axis of the probe body 100, when the temperature of the hot flow field around the probe body 100 is very high, the temperature inside and outside the heat insulation part 200 has a large temperature difference, the internal temperature can be much lower than the high-temperature flow field, even if the temperature measuring element is transmitted to the temperature measuring element in the probe body 100, the temperature of the temperature measuring object of the temperature measuring element can be lower than that of the temperature measuring object of the temperature measuring element, the accuracy of temperature sensing of the temperature control probe cannot be influenced, and the influence of surrounding high-temperature gas on the temperature control probe is greatly reduced.
In this embodiment, the temperature control probe further includes a base 300, the base 300 is sleeved on the probe body 100 and located below the heat insulation portion 200, and the heat insulation portion 200 is fixed on the base 300. By providing the base 300, support is provided for installation of the heat insulating part 200, and the heat insulating part 200 does not shift. Meanwhile, the heat insulation part 200 prevents the heat of the heat insulation part 200 from being rapidly transferred to the upper end of the probe body 100 through the lower base 300 and the probe body 100. On this basis, the base 300 may be disposed at the lower end of the probe body 100 as much as possible, for example, in the present embodiment, as shown in fig. 2, the position of the base 300 disposed with respect to the probe body 100 is low, so that the temperature of the thermal insulation portion 200 is difficult to be quickly transferred to the upper end of the probe body 100 by means of thermal conduction.
In other embodiments, the lower end of the heat insulating part 200 may be directly connected to the side surface of the probe body 100 so as to be inwardly converged, without providing the base 300, and the heat insulating part 200 may be fixed to the probe body 100 in the same manner.
As shown in fig. 1 and 2, in the present embodiment, a protruding portion is provided on the base 300, and a recessed portion matching the protruding portion is provided at one end of the heat insulation portion 200 close to the base 300. Through the cooperation of bellying and depressed part, improved the reliability that heat insulating part 200 is connected with base 300, heat insulating part 200's fixed is more stable.
In the embodiment, the number of the convex parts is four, the four convex parts are uniformly distributed at intervals along the circumferential direction, the number of the concave parts is also four, and the four concave parts are also uniformly distributed at intervals along the circumferential direction. By providing these convex and concave portions, the reliability of the connection between the heat insulating part 200 and the base 300 is further improved. Of course, in other embodiments, other numbers and locations of the protrusions and recesses may be selected to achieve the same purpose of reliable connection.
Wherein, can set up the bolt hole on the bellying of part, can set up the fixed block to the top of the depressed part that corresponds with the bellying in thermal-insulated portion 200, be provided with the bolt hole that corresponds with the bolt hole of bellying in the fixed block, can connect both through the bolt.
In other embodiments, the base 300 and the thermal insulation part 200 may be directly connected by bolts without providing the protrusions and the depressions.
As shown in fig. 3, in the present embodiment, the probe body 100 includes a moving part 110, a fixed part 130, an elastic element 120, and a temperature measuring element, the elastic element 120 is used to contact with the moving part 110 and make the moving part 110 elastically move up and down by an elastic force, the temperature measuring element is disposed on the top of the moving part 110, and the fixed part 130 is used to support the moving part 110 by the elastic element 120. The elastic element 120 enables the moving part 110 to elastically move up and down through elasticity, so that the temperature measuring object is in close contact with the top of the moving part 110, the temperature measuring element is arranged on the top of the moving part 110, and temperature measurement is more accurate.
In this embodiment, the elastic element 120 is a spring.
In other embodiments, the elastic element 120 may also be rubber, bellows, etc.
In the present embodiment, the temperature measuring element includes a thermistor 141 and a heat collecting plate 142, the thermistor 141 is attached to the heat collecting plate 142, and the heat collecting plate 142 is in contact with the object to be measured. The temperature measurement accuracy is effectively ensured by the contact of the heat collecting plate 142 and the temperature measurement object.
In the present embodiment, the fixed member 130 and the moving member 110 are disposed in a hollow space, and the fixed member 130 and the moving member 110 are internally provided with the lead wire 400, and the lead wire 400 is electrically connected to the thermistor 141. On one hand, the arrangement of the conducting wire 400 is reasonable in space utilization and does not occupy the external space, on the other hand, the conducting wire 400 is arranged inside the fixed part 130 and the moving part 110, and the fixed part 130 and the moving part 110 play a role in protecting the conducting wire 400 and are not easily interfered by external high-temperature gas.
Wherein, a protective case may be installed outside the wire 400.
In this embodiment, the probe body 100 includes a temperature sensing element on the top thereof, which protrudes out of the insulating portion 200. Specifically, the distance from the temperature measuring element to the heat insulation part 200 is 1.5mm, and the heat insulation part 200 cannot contact the bottom of the pot, so that the influence of a high-temperature flow field on temperature sensing of the temperature control probe is further reduced.
In other embodiments, the temperature sensing element can protrude from the insulation 200 a distance in the range of 1-2 mm.
In other embodiments, the temperature sensing element may have a height that is equal to the height of the top end of the insulating portion 200.
In the present embodiment, a gap is provided between the heat insulating portion 200 and the probe body 100 in the radial direction of the probe body 100. Specifically, the gap between the insulation part 200 and the probe body 100 is 1.5mm, because the insulation part 200 and the probe body 100 are not in direct contact, there is an air barrier. The external high temperature can not be directly conducted to the temperature sensing main body through the heat insulation part 200, so that the high temperature flow field can not interfere the temperature sensing of the temperature sensing probe, and the accuracy of temperature measurement is effectively ensured.
In other embodiments, the gap between the insulation 200 and the probe body 100 may also be in the range of 1-2 mm.
In other embodiments, a heat insulating material may be filled between the heat insulating part 200 and the probe body 100 to improve heat insulating effect.
In this embodiment, a cooking appliance is also provided, which includes the above temperature control probe.
In this scheme, the temperature sensing of cooking utensils is more accurate, is difficult for receiving the influence of high temperature flue gas on every side.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that 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 spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (13)
1. The temperature control probe is characterized by comprising a probe body and a heat insulation part at least arranged on the upper part of the probe body in a surrounding mode, wherein the heat insulation part surrounds the probe body along the axis of the probe body, the top end of the heat insulation part is lower than the top end of the probe body, and the heat insulation part is made of advanced ceramic materials.
2. The temperature-controlled probe of claim 1, further comprising a base, wherein the base is sleeved on the probe body and is located below the thermal insulation portion, and the thermal insulation portion is fixed on the base.
3. The temperature control probe according to claim 2, wherein the base is provided with a protrusion, and one end of the thermal insulation part near the base is provided with a recess matching with the protrusion.
4. The temperature control probe of claim 3, wherein there are a plurality of said projections, a plurality of said projections being spaced apart, and a plurality of said recesses being spaced apart.
5. The temperature-controlled probe according to claim 1, wherein the probe body comprises a moving part, a fixed part, an elastic element for contacting the moving part and elastically moving the moving part up and down by an elastic force, and a temperature measuring element provided on a top of the moving part, the fixed part for supporting the moving part by the elastic element.
6. The temperature control probe according to claim 5, wherein the temperature measuring element comprises a thermistor and a heat collecting plate, the thermistor is attached to the heat collecting plate, and the heat collecting plate is in contact with the object to be measured.
7. The temperature controlled probe according to claim 6, wherein said fixed member and said moving member are hollow, and a lead wire is provided inside said fixed member and said moving member, said lead wire being electrically connected to said thermistor.
8. A temperature control probe according to claim 5, wherein the resilient element is a spring.
9. The temperature-controlled probe of claim 1, wherein the probe body includes a temperature-sensing element at a top portion thereof, the temperature-sensing element protruding out of the insulating portion.
10. The temperature control probe of claim 9, wherein the temperature sensing element protrudes 1-2mm from the insulating portion.
11. The temperature controlled probe according to any one of claims 1 to 10, wherein a gap is provided between the thermal insulating portion and the probe body in a radial direction of the probe body.
12. The temperature control probe of claim 11, wherein the gap between the thermal shield and the probe body is 1-2 mm.
13. Hob, characterized in, that it comprises a temperature control probe according to any one of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397510.3U CN217403635U (en) | 2022-06-06 | 2022-06-06 | Temperature control probe and stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397510.3U CN217403635U (en) | 2022-06-06 | 2022-06-06 | Temperature control probe and stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217403635U true CN217403635U (en) | 2022-09-09 |
Family
ID=83147204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221397510.3U Active CN217403635U (en) | 2022-06-06 | 2022-06-06 | Temperature control probe and stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217403635U (en) |
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2022
- 2022-06-06 CN CN202221397510.3U patent/CN217403635U/en active Active
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