CN215597343U

CN215597343U - Dry-burning-preventing temperature measurement sensor probe for stove and stove

Info

Publication number: CN215597343U
Application number: CN202121670589.8U
Authority: CN
Inventors: 邵海忠; 徐强; 姚青
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-21
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses an anti-dry-burning temperature measurement sensor probe for a stove and the stove. The stove comprises a gas mixing chamber, a fire cover arranged on the gas mixing chamber, a mounting seat and a dry-burning-prevention temperature measurement sensor probe for the stove, wherein the gas mixing chamber is arranged on the mounting seat, and the dry-burning-prevention temperature measurement sensor probe for the stove is fixed on the mounting seat. According to the anti-dry-burning temperature measurement sensor probe for the kitchen range and the kitchen range, the first protrusion protruding outwards is arranged on the heat dissipation part, so that the heat exchange area of the heat dissipation part in contact with air is increased, the heat dissipation quantity of the heat dissipation part to the outside air in unit time is increased, the heat dissipation effect of the heat dissipation part is improved, and the inaccurate temperature measurement caused by the overhigh local temperature of the anti-dry-burning temperature measurement sensor probe for the kitchen range is avoided.

Description

Dry-burning-preventing temperature measurement sensor probe for stove and stove

Technical Field

The utility model relates to an anti-dry-burning temperature measurement sensor probe for a stove and the stove.

Background

When the cooker is used for heating a cooker, in order to prevent the cooker from being overhigh in temperature caused by dry burning in the cooker, the temperature of the cooker needs to be measured, and when the cooker is monitored to be in a dry burning state, the cooker is timely turned off. The existing Temperature sensor probe is to install NTC (Negative Temperature Coefficient) thermistor material at the head of the Temperature sensor probe to realize Temperature measurement of the pot bottom, and the existing Temperature sensor probe causes too high Temperature of the Temperature sensor probe due to the influence of the surrounding environment, which causes too large Temperature difference between the pot bottom Temperature measured by the Temperature sensor probe and the actual pot bottom Temperature, even causes the condition that the flame of the cooker is extinguished by mistake. The existing installation mode of the temperature measuring sensor probe enables a base plate (located below a table top) used for sealing in a stove to be communicated with the upper portion of the table top, downward heat radiation generated by burning flame can heat the base plate, hot air in the base plate can rise around the temperature measuring sensor probe after being thermally expanded, the temperature difference between the temperature of a pot bottom measured by the temperature measuring sensor probe and the actual temperature of the pot bottom is too large, and even the flame of the stove is extinguished by mistake.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defect of deviation in temperature measurement of the conventional dry-burning-prevention temperature sensor, and provides a dry-burning-prevention temperature sensor probe for a stove and the stove.

The utility model solves the technical problems through the following technical scheme:

the anti-dry-burning temperature measurement sensor probe for the cooker comprises a probe main body, and further comprises a heat dissipation part, wherein the heat dissipation part surrounds the upper part of the probe main body, first protrusions protruding outwards are arranged on the outer surface of the heat dissipation part, the first protrusions extend along the direction parallel to the axial direction of the probe main body, and the first protrusions are distributed at intervals in the circumferential direction of the heat dissipation part.

In this scheme, through set up the first arch of outside salient on the radiating part, the heat transfer area of increase radiating part and air contact improves the radiating part in the unit interval and to external heat dissipation capacity, improves the radiating effect of radiating part, avoids cooking utensils to lead to the temperature measurement inaccurate with preventing dry combustion method temperature measurement sensor probe local high temperature.

Preferably, the heat dissipation part is further provided with a second protrusion extending in a direction parallel to the axial direction of the probe body.

In this scheme, through set up the second that outwards extrudes on the radiating part and protruding, further increase the heat transfer area of radiating part and air on setting up first prominent basis, the radiating part is to external heat dissipation capacity in the further improvement unit interval, further improves the radiating effect of radiating part, avoids cooking utensils to lead to the temperature measurement inaccurate with preventing dry combustion method temperature measurement sensor probe local high temperature.

Preferably, the first protrusions and the second protrusions are spaced apart from each other in a circumferential direction of the heat dissipation portion.

In this scheme, through setting up the protruding interval of first arch and second, first arch and second as much as possible are protruding on the circumferencial direction along the radiating part, with the heat transfer area of increase radiating part and outside air, improve the heat dissipation capacity of radiating part to outside air in the unit interval, improve the radiating effect of radiating part, reduce cooking utensils with preventing that dry combustion method temperature measurement sensor probe leads to the possibility that the unsafe condition of temperature measurement appears because of self high temperature, improve cooking utensils with preventing that dry combustion method temperature measurement sensor probe to the accuracy of pan temperature measurement.

Preferably, a valley is provided between two adjacent first protrusions, and the second protrusion is provided in the valley between the adjacent first protrusions.

In this scheme, through set up the valley between two first archs to set up the second protruding in the valley, further increase the radiating part and external radiating surface area, improve the heat dissipation capacity of radiating part to the outside air in the unit interval, improve the radiating effect of radiating part.

Preferably, the first protrusions have smoothly transitioning peaks and valleys, adjacent first protrusions smoothly transitioning at valleys, the second protrusions being disposed intermediate adjacent first protrusions; and/or, the second protrusion is fin-shaped.

In this scheme, through protruding the setting to the fin-shaped with the second, the second of fin-shaped is protruding to have light in weight, and the advantage that heat radiating area is big can increase the heat transfer area of heat radiating part under the prerequisite of as little as possible increase heat radiating part weight load, improves the heat dissipation capacity of heat radiating part to the outside air in the unit interval, improves the radiating effect of heat radiating part.

Preferably, one end of the heat dissipation part is fixedly connected to the top end of the probe body, and the heat dissipation part extends along the axial direction of the probe body.

In this scheme, NTC thermistor material is installed to the probe main part, and the temperature of probe main part department influences the temperature measurement result of the temperature measurement sensor probe of preventing dry combustion method for cooking utensils most greatly, through connecting the radiating part in the top of probe main part, the heat at probe main part top passes through the radiating part and transmits to the air in, reduces the temperature of probe main part, improves the accuracy of the temperature measurement sensor probe of preventing dry combustion method for cooking utensils.

Preferably, a gap is provided between the heat dissipation part and the probe body in a radial direction of the probe body.

In this scheme, through set up the clearance between radiating part and probe main part, increase radiating part and air contact's heat radiating area improves the radiating effect of radiating part.

Preferably, the upper end of the heat dissipating part gradually extends inward until being connected to the probe body.

In this scheme, through the upper end inwardly extending with the radiating part with the probe main part be connected to realize that the radiating part is connected with the top of probe main part, the reinforcing probe main part is equipped with the radiating effect of NTC thermistor material department.

The utility model provides a stove, the cooking utensils include the gas mixing chamber, set up fire lid, mount pad and cooking utensils are with preventing dry combustion method temperature measurement sensor probe on the gas mixing chamber, the gas mixing chamber is located on the mount pad, the cooking utensils are with preventing dry combustion method temperature measurement sensor probe is fixed in on the mount pad, and run through the gas mixing chamber with the center of fire lid.

In this scheme, through set up cooking utensils with preventing dry combustion method temperature measurement sensor probe inside the fire lid at cooking utensils to can the problem of accurate measurement pan, prevent to dry combustion method and lead to the pan high temperature.

Preferably, the lower part of the air mixing chamber is provided with a secondary air channel for providing air to the fire cover, and the secondary air channel is communicated with the bottom of the mounting hole.

In this scheme, through setting up the secondary air passageway in the lower part of air mixing chamber, in cooking utensils combustion process, the gas is at fire lid department burning formation negative pressure, outside air passes through the secondary air passageway and supplys to fire lid burning department, the air temperature of supplementarily is lower, microthermal air can reduce near the temperature of cooking utensils with preventing dry combustion method temperature measurement sensor probe, improve the cooking utensils with preventing dry combustion method temperature measurement sensor probe and external difference in temperature, the heat exchange efficiency of reinforcing radiating part, and secondary air forms the compulsory heat transfer air current near the dry combustion method temperature measurement sensor probe for cooking utensils, the radiating effect of reinforcing radiating part, can reduce the temperature of cooking utensils with preventing dry combustion method temperature measurement sensor probe, reduce the influence of the high temperature of cooking utensils with preventing dry combustion method temperature measurement sensor probe self to the temperature measurement result, improve the accuracy of temperature measurement.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the utility model.

The positive progress effects of the utility model are as follows:

according to the anti-dry-burning temperature measurement sensor probe for the kitchen range and the kitchen range, the first protrusion protruding outwards is arranged on the heat dissipation part, so that the heat exchange area of the heat dissipation part contacting air is increased, the heat dissipation quantity of the heat dissipation part and the outside air in unit time is increased, the heat dissipation effect of the heat dissipation part is improved, and the inaccurate temperature measurement caused by the overhigh local temperature of the anti-dry-burning temperature measurement sensor probe for the kitchen range is avoided.

Drawings

FIG. 1 is a schematic diagram of a dry-heating prevention temperature measurement sensor probe for a stove.

FIG. 2 is a front view of the dry-burning prevention temperature measurement sensor probe for the kitchen range of the present invention.

FIG. 3 is a cross-sectional view of the dry-burning prevention temperature sensor probe for the kitchen range of the present invention.

FIG. 4 is a longitudinal sectional view of the dry-burning prevention temperature sensor probe for the kitchen range of the present invention.

Fig. 5 is a schematic structural view of a cooktop of the utility model.

Fig. 6 is a schematic cross-sectional view of a cooktop of the utility model.

Description of reference numerals:

dry burning prevention temperature measurement sensor probe 100 for stove

Probe body 1

Heat dissipation part 2

First protrusion 21

Second protrusion 22

Valley 23

Cooking utensils 200

Gas mixing chamber 201

Fire lid 202

Mounting seat 203

Secondary air passage 204

Cooktop panel 205

Detailed Description

The present invention is further illustrated by the following examples, but is not limited thereby in the scope of the examples described below.

As shown in figure 1, the utility model provides an anti-dry-heating temperature measurement sensor probe 100 for a stove, which comprises a probe main body 1, wherein the probe main body 1 is integrally in a cylindrical rod shape. An NTC (Negative Temperature Coefficient) thermistor material is arranged on the top of the probe body 1 (i.e., the upper portion in the vertical direction in fig. 1), the resistance characteristics of the NTC thermistor material can be changed according to the Temperature change, and a suitable measuring circuit is connected to the periphery of the NTC material, so that the Temperature of the probe body 1 can be measured.

The oven is with preventing dry combustion method temperature measurement sensor probe 100 still includes radiating part 2, radiating part 2 encloses the upper portion of locating probe main part 1, radiating part 2 is made for metal material, the one end fixed connection of radiating part 2 is in the upper portion of probe main part 1, oven is with preventing dry combustion method temperature measurement sensor probe 100 easily receives ambient temperature's influence and leads to the temperature of probe main part 1 department to be higher than the actual temperature of pan bottom in the use, so lead to probe main part 1 department measured temperature too high and wrong report police easily. In order to dissipate heat at the probe body 1, the present embodiment increases the heat dissipation efficiency of the probe body 1 by increasing the contact area of the probe body 1 and the outside air for heat dissipation. Top fixed connection in probe body 1 of heat dissipation part 2, the heat of probe body 1 can be given for heat dissipation part 2 to the area of heat dissipation part 2 and air contact is greater than the area of probe body 1 and air contact, can distribute away the high temperature of surrounding environment better, improves the radiating effect.

The outer surface of the heat dissipation part 2 is provided with a first protrusion 21 protruding outward, the heat dissipation part 2 is a cylinder as a whole, and the heat dissipation part 2 extends in the axial direction of the probe body 1 as a whole. The first protrusion 21 is elongated, the longitudinal direction of the first protrusion 21 is parallel to the axial direction of the probe body 1, and the first protrusion 21 may be integrally formed with the other part of the heat dissipation portion 2. The first protrusion 21 protrudes outward from the heat dissipation portion 2 in the radial direction of the probe body 1, that is, the first protrusion 21 extends from the heat dissipation portion 2 in a direction away from the probe body 1.

The first protrusions 21 are arranged at intervals in the circumferential direction of the heat dissipation part 2, that is, a plurality of first protrusions 21 are provided on the heat dissipation part 2 in the circumferential direction of the probe body 1; preferably, each first protrusion 21 is the same in shape, and a plurality of first protrusions 21 are uniformly arranged along the circumferential direction, so that the heat dissipation of the periphery of the probe body 1 is uniform, and the accuracy and the stability of the detection result are guaranteed.

As shown in fig. 2, the upper end of the heat dissipation part 2 gradually extends inward until being connected to the probe body 1, so that a distance exists between the first protrusion 21 and the probe body 1, which is beneficial to heat insulation and also improves the heat dissipation effect. As shown in fig. 4, a gap is provided between the heat radiating portion 2 and the side wall of the probe body 1 in the radial direction of the probe body 1, and both surfaces of the heat radiating portion 2 can contact with air to exchange heat, thereby improving the heat radiating effect of the heat radiating portion 2. The top of heat dissipation portion 2 is equipped with connecting portion, and the lower extreme fixed connection of connecting portion is in heat dissipation portion 2, and the upper end fixed connection of connecting portion is in probe body 1, and the connecting portion is with probe body 1 fixed connection of heat dissipation portion 2. The connecting part can be an annular plate, the connecting part is provided with a bend, the inner ring of the bent connecting part is higher than the outer ring of the bent connecting part, the inner ring of the bent connecting part is connected with the probe body 1, the outer ring of the bent connecting part is connected with the heat dissipation part 2, and the connecting part and the heat dissipation part 2 can be integrally formed.

As shown in fig. 3, the heat dissipation portion 2 is further provided with a second protrusion 22 extending in a direction parallel to the axial direction of the probe body 1. The second protrusion 22 is also of an elongated configuration overall. The second protrusion 22 is fixedly connected to the heat dissipation portion 2, the second protrusion 22 may be disposed parallel to the first protrusion 21, a length direction of the second protrusion 22 is parallel to an axial direction of the probe body 1, the second protrusion 22 protrudes outward from the heat dissipation portion 2 along a radial direction of the probe body 1, that is, the second protrusion 22 extends from a surface of the heat dissipation portion 2 to a direction away from the probe body 1, so that a heat dissipation area is increased by the second protrusion 22, and a heat dissipation effect is improved. The heat dissipation portion 2 is provided with a plurality of second protrusions 22 along the circumferential direction of the probe body 1, the shape and size of each second protrusion 22 may be the same, and the plurality of second protrusions 22 are uniformly provided along the circumferential direction, so that the heat dissipation around the probe body 1 is relatively uniform.

The first protrusions 21 and the second protrusions 22 are arranged at intervals in the circumferential direction of the heat sink 2, that is, the second protrusions 22 are arranged between two adjacent first protrusions 21, and the first protrusions 21 are arranged between two adjacent second protrusions 22. The first protrusions 21 and the second protrusions 22 are arranged at intervals, so that the surface area of the heat dissipation surface of the heat dissipation part 2 is increased as much as possible by fully utilizing the characteristics of the first protrusions and the second protrusions, the heat dissipation around the probe body 1 is uniform, and the heat dissipation effect of the heat dissipation part 2 is improved.

The valley 23 is arranged between two adjacent first protrusions 21, the valley 23 which is recessed inwards along the radial direction of the probe body 1 is arranged between two adjacent first protrusions 21, and the valley 23 can further increase the surface area of the outer surface of the heat dissipation part 2 so as to enhance the heat dissipation effect. The second protrusions 22 are provided in the valleys 23 between the adjacent first protrusions 21, the root portions of the second protrusions 22 are provided at the midpoint positions of the two adjacent first protrusions 21, and the second protrusions 22 protrude outward in the radial direction of the probe body 1 from the concavity and convexity between the two adjacent first protrusions 21.

It is also understood that the first protrusions 21 have smoothly transitioning peaks and valleys, wherein the valleys are used to form the valleys 23 described above, adjacent first protrusions 21 smoothly transition at the valleys, and the second protrusion 22 is disposed intermediate adjacent first protrusions 21.

The second protrusions 22 are fin-shaped. The second protrusions 22 are elongated thin pieces, and the thickness of the side of the second protrusions 22 connected to the heat sink 2 is larger than the thickness of the side of the second protrusions 22 away from the heat sink 2, so that the second protrusions 22 not only increase the heat dissipation area, but also contribute to enhancing the strength of the second protrusions 22, and the connection between the second protrusions 22 and the heat sink 2 can be stable and reliable.

As shown in fig. 1, the upper end of the heat dissipation unit 2 is fixedly connected to the distal end of the probe body 1. The heat dissipation part 2 extends downwards along the axial direction of the probe body 1, the heat dissipation part 2 can be divided into a conical section and a cylindrical section from top to bottom, the top of the conical section is fixedly connected to the probe body 1, and the bottom of the conical section is fixedly connected to the cylindrical section. The diameter of the conical section is gradually increased from top to bottom. There is the clearance between the cylinder section of heat dissipation portion 2 and the probe main part 1 to heat dissipation portion 2 can block flame on every side and to probe main part 1 transmission heat, and heat dissipation portion 2's both sides can both dispel the heat to the air simultaneously, and the area of contact of increase heat dissipation portion 2 and air improves heat dissipation portion 2's radiating effect.

As shown in fig. 5-6, the present invention also provides a cooktop 200. The cooker 200 comprises a gas mixing chamber 201, the gas mixing chamber 201 is used for containing gas and air to be mixed to form mixed gas for subsequent combustion, and the gas and the air are fully mixed and then combusted to contribute to full combustion of the gas, so that the gas is completely combusted in the combustion process as much as possible, and the incomplete combustion condition is avoided. The cooker 200 further comprises a fire cover 202 arranged on the gas mixing chamber 201, and the fire cover 202 is used for spraying and burning the mixed gas in the gas mixing chamber 201. The kitchen range 200 is also internally provided with a mounting seat 203, one of the functions of the mounting seat 203 is to fixedly mount the anti-dry-burning temperature measurement sensor probe 100 for the kitchen range, the mounting seat 203 is provided with an opening, and the size of the opening can be matched with the bottom of the probe main body 1 of the anti-dry-burning temperature measurement sensor probe 100 for the kitchen range, so that the bottom of the probe main body 1 can be inserted into the opening of the mounting seat 203, and the stable mounting of the anti-dry-burning temperature measurement sensor probe 100 for the kitchen range is realized.

The cooker 200 further comprises the dry-burning prevention temperature measurement sensor probe 100 for the cooker, the dry-burning prevention temperature measurement sensor probe 100 for the cooker is used for measuring the temperature of the bottom of the cooker, when no object in the cooker is dried, the temperature of the cooker can be gradually increased and exceeds the temperature of normal cooking, when the dry-burning prevention temperature measurement sensor probe 100 for the cooker detects that the temperature of the cooker is abnormally high, the gas supply is automatically cut off, and the danger caused by overhigh temperature of the cooker is avoided. The gas mixing chamber 201 is arranged on the mounting seat 203, and the dry-burning prevention temperature measurement sensor probe 100 for the stove is fixed on the mounting seat 203 and penetrates through the centers of the gas mixing chamber 201 and the fire cover 202. The center of the fire cover 202 is provided with a through hole, the stove anti-dry-burning temperature sensor probe 100 penetrates through the through hole at the center of the fire cover 202 and protrudes upwards out of the fire cover 202, so that the stove anti-dry-burning temperature sensor probe 100 is close to the bottom of a pot as much as possible to detect the temperature of the pot.

As shown in fig. 6, the lower portion of the air mixing chamber 201 has a secondary air channel 204 for providing air to the fire cover 202, the secondary air channel 204 is used for supplementing air to the flame root of the fire cover 202, the supplemented air can make the mixed gas burn more fully, a part of air flows to the dry-burning-proof temperature measurement sensor probe 100 for the kitchen range through the secondary air channel 204, the heat of the heat dissipation part 2 can be taken away, the temperature of the probe body 1 is reduced, the secondary air can not only reduce the ambient temperature around the heat dissipation part 2, but also enhance the air flow around the heat dissipation part 2, so that even when the hot air in the kitchen range chassis flows upwards to the dry-burning-proof temperature measurement sensor probe 100 for the kitchen range, the heat dissipation can be accelerated under the disturbance of the air flow, the heat dissipation effect of the heat dissipation part 2 is improved, the probe body 1 is not affected by the ambient temperature, and the temperature detected by the boiler is closer to the true temperature of the kitchen range, the accuracy of the temperature measurement of the dry burning prevention temperature measurement sensor probe 100 for the stove is improved.

The secondary air channel 204 is communicated with the bottom of the mounting hole, air is sucked from the side surface of the secondary air channel 204 and then flows to the flame root of the fire cover 202, and the secondary air channel 204 is located above the cooker panel 205 and is low in temperature. The secondary air passage 204 communicates with the bottom of the mounting seat 203, and after air flows into the secondary air passage 204, the air is blown upward to the heat dissipation portion 2 through the bottom of the mounting seat 203, so that the heat dissipation effect of the heat dissipation portion 2 is enhanced.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model 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 scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. The anti-dry-burning temperature measurement sensor probe for the cooker comprises a probe main body and is characterized by further comprising a heat dissipation part, wherein the heat dissipation part is arranged on the upper portion of the probe main body in a surrounding mode, first protrusions protruding outwards are arranged on the outer surface of the heat dissipation part, the first protrusions extend in the direction parallel to the axial direction of the probe main body, and the first protrusions are arranged on the heat dissipation part at intervals in the circumferential direction.

2. The dry-heating prevention temperature measurement sensor probe for the kitchen range according to claim 1, wherein the heat dissipation part is further provided with a second protrusion extending in a direction parallel to the axial direction of the probe body.

3. The dry-heating prevention temperature measurement sensor probe for the kitchen range according to claim 2, wherein the first protrusion and the second protrusion are spaced apart from each other in a circumferential direction of the heat dissipation portion.

4. The anti-dry heating temperature sensor probe for the cooking utensils of claim 3, wherein a valley is arranged between two adjacent first protrusions, and the second protrusion is arranged in the valley between the adjacent first protrusions.

5. The anti-dry heating temperature measurement sensor probe for the cooking appliance according to claim 2,

the first protrusions have smoothly-transitioned peaks and valleys, adjacent first protrusions smoothly transition at valleys, and the second protrusions are disposed intermediate adjacent first protrusions; and/or the presence of a gas in the gas,

the second protrusion is fin-shaped.

6. The anti-dry heating temperature sensor probe for the kitchen range according to claim 5, wherein one end of the heat dissipation part is fixedly connected to the top end of the probe body, and the heat dissipation part extends along the axial direction of the probe body.

7. The dry-heating prevention temperature measurement sensor probe for the kitchen range according to claim 6, wherein a gap is provided between the heat dissipation part and the probe body in a radial direction of the probe body.

8. The dry-heating prevention temperature measurement sensor probe for the kitchen range according to any one of claims 1 to 7, wherein the upper end of the heat dissipation part gradually extends inwards until being connected with the probe body.

9. A stove is characterized by comprising a gas mixing chamber, a fire cover arranged on the gas mixing chamber, a mounting seat and the dry-burning-prevention temperature measurement sensor probe for the stove as claimed in any one of claims 1 to 8, wherein the gas mixing chamber is arranged on the mounting seat, and the dry-burning-prevention temperature measurement sensor probe for the stove is fixed on the mounting seat and penetrates through the gas mixing chamber and the center of the fire cover.

10. The cooktop of claim 9, wherein a lower portion of the plenum has a secondary air passage that provides air to the fire lid, the secondary air passage communicating with a bottom of the mounting base.