CN215597352U - Dry burning prevention temperature sensing probe, dry burning prevention device and stove - Google Patents
Dry burning prevention temperature sensing probe, dry burning prevention device and stove Download PDFInfo
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- CN215597352U CN215597352U CN202122018168.3U CN202122018168U CN215597352U CN 215597352 U CN215597352 U CN 215597352U CN 202122018168 U CN202122018168 U CN 202122018168U CN 215597352 U CN215597352 U CN 215597352U
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Abstract
The utility model discloses an anti-dry-burning temperature-sensing probe, an anti-dry-burning device and a stove, wherein the anti-dry-burning temperature-sensing probe comprises a moving part, an elastic element, a magnetic induction element, a temperature measuring element and a mounting bracket; the elastic element is used for contacting with the moving part and enabling the moving part to be clung to the bottom of the pot through elastic force; the magnetic induction element is used for inducing the magnetic field intensity generated by the magnetic element; the moving component is used for changing the magnetic field intensity induced by the magnetic induction element through moving; the mounting bracket is arranged on the moving component and is used for mounting the magnetic element. According to the utility model, when the moving part is pressed down by the cooker, the magnetic induction element and the magnetic element generate relative displacement, the magnetic field intensity sensed by the magnetic induction element is changed to generate different feedback signals, the shape of the cooker bottom is identified according to the different feedback signals, different dry burning prevention protection temperatures are formulated by combining the measured cooker bottom temperatures based on the shapes of the different cooker bottoms, and the accuracy and timeliness of dry burning prevention control are greatly improved.
Description
Technical Field
The utility model relates to the technical field of temperature sensing probes, in particular to an anti-dry-heating temperature sensing probe, an anti-dry-heating device and a stove.
Background
The cooker is indispensable in a household kitchen, brings great convenience to cooking, but the condition that the cooker is dried to be burnt due to careless use often happens, for example, important calls come suddenly during cooking, mobile phones are played during cooking, the most common people are old people, the memory of the old people is reduced, and the cooker is more easily dried to be burnt, so that potential safety hazards are caused.
The temperature of the bottom of a pot is detected by an anti-dry-burning temperature sensing probe which is generally used for preventing dry burning of a pot in the prior art, and a controller determines whether to control a gas valve to cut off a gas source or not according to the temperature detected by the anti-dry-burning temperature sensing probe so as to prevent safety accidents caused by dry burning of the pot. However, the accuracy of the existing contact temperature measurement is greatly influenced by the shape of the pot, for example, the concave top, the flat bottom, the sharp pot (shallow) and the sharp pot (deep) can cause different pressing distances of the temperature probe, so that the lengths of the temperature probes exposed out of the burner are different, and during combustion, the more the temperature probes are exposed out of the burner, the larger the interference of high-temperature smoke is, and the conditions that the temperature measurement is inaccurate, the false dry combustion protection is caused, or the dry combustion protection is not carried out even when the temperature is too high are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that an anti-dry-heating temperature probe in the prior art cannot detect the shape of a pot bottom, and provides an anti-dry-heating temperature sensing probe, an anti-dry-heating device and a stove.
The utility model solves the technical problems through the following technical scheme:
the utility model provides an anti-dry heating temperature-sensing probe, which comprises a moving part, an elastic element, a magnetic induction element, a temperature measuring element and a mounting bracket, wherein the moving part is arranged on the moving part;
the elastic element is used for contacting with the moving part and enabling the moving part to be clung to the bottom of the pot through elastic force; wherein, the temperature measuring element is arranged at the top of the moving part;
the magnetic induction element is used for inducing the magnetic field intensity generated by the magnetic element;
the moving component is used for changing the magnetic field intensity sensed by the magnetic induction element through moving;
the mounting bracket set up in on the moving part, the mounting bracket is provided with the holding part, the holding part has the holding area that is used for holding magnetic element, wherein, magnetic induction element is fixed to be set up.
Preferably, the mounting bracket comprises a bottom plate, a guide sliding groove is formed in the bottom plate, and the accommodating part is movably connected with the guide sliding groove.
Preferably, the dry-heating prevention temperature sensing probe further comprises a fixing part;
the fixed member is used for supporting the moving member through the elastic element.
Preferably, the temperature measuring element comprises a thermistor and a heat collecting plate;
the thermistor is attached to the heat collecting plate;
the heat collecting plate is in contact with the bottom of the pot.
Preferably, the fixed part and the moving part are arranged in a hollow manner;
the fixed part and the moving part are internally provided with leads;
the lead is electrically connected with the thermistor.
Preferably, the dry-heating prevention temperature sensing probe further comprises a protective shell, and the protective shell is fixedly arranged on the outer surface of the moving part.
Preferably, the elastic element comprises a spring;
and/or the presence of a gas in the gas,
the magnetic element comprises any one of a magnet and an electromagnetic coil;
and/or the presence of a gas in the gas,
the magnetic induction element comprises any one of a Hall element, a reed pipe element and a magneto-resistance element.
The utility model also provides an anti-dry heating device, which comprises a controller and the anti-dry heating temperature sensing probe;
the controller is used for receiving a feedback signal output by the magnetic induction element;
the controller is provided with a plurality of dry burning prevention temperature thresholds, wherein different feedback signals correspond to different dry burning prevention temperature thresholds.
The utility model also provides a cooker which comprises the anti-dry heating device.
Preferably, the cooktop further comprises a burner;
the dry-burning-prevention temperature sensing probe is arranged at the center of the burner.
The positive progress effects of the utility model are as follows: the elastic element is contacted with the moving part and the moving part is tightly attached to the bottom of the pan through elasticity, the temperature measuring element arranged at the top of the moving part is used for measuring the temperature, when the moving part is pressed down by the cooker, the magnetic induction element and the magnetic element generate relative displacement, the magnetic field intensity generated by the magnetic induction element inducting the magnetic element is also changed to generate different feedback signals, therefore, the shape of the pot bottom can be identified according to different feedback signals, different dry burning prevention protection temperatures can be formulated based on the shapes of different pot bottoms and the measured pot bottom temperature, the accuracy and timeliness of dry burning prevention control are greatly improved, the safety of a kitchen is guaranteed, and the shape of the pot bottom is determined by the installation bracket and the guide sliding groove, the magnetic element is opposite to the magnetic induction element, the optimal feedback effect of magnetic induction is guaranteed, and the use experience of a user is improved.
Drawings
Fig. 1 is a schematic structural view of an anti-dry heating temperature sensing probe according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a mounting bracket of an anti-dry-heating temperature-sensing probe according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of an anti-dry heating apparatus according to embodiment 2 of the present invention.
Detailed Description
The utility model is further illustrated by the following examples, which are not intended to limit the scope of the utility model.
Example 1
The present embodiment provides an anti-dry heating temperature sensing probe, as shown in fig. 1, the anti-dry heating temperature sensing probe of the present embodiment includes a moving component 1, an elastic element 2, a magnetic element 3, a magnetic induction element 4, a temperature measuring element, a fixed component 6 and a mounting bracket;
specifically, the elastic element 2 is in contact with the moving component 1 and enables the moving component 1 to be tightly attached to the bottom of the pot through elastic force, wherein the temperature measuring element is arranged at the top of the moving component 1, the magnetic induction element 4 is used for inducing the magnetic field intensity generated by the magnetic element 3, the moving component 1 is used for changing the magnetic field intensity induced by the magnetic induction element 4 through movement, and the fixed component 6 is used for supporting the moving component 1 through the elastic element 2. The anti-dry-burning temperature-sensing probe can be applied to kitchen scenes, wherein the area where the cooker burner is located is provided with the anti-dry-burning temperature-sensing probe, when a cooker is placed on the cooker burner, the anti-dry-burning temperature-sensing probe can be pressed downwards to move downwards, and the elastic element 2 is pressed downwards by the cooker to generate elastic force so that the moving part 1 can be tightly attached to the bottom of the cooker in any shape, so that the temperature measuring element can directly and accurately measure the temperatures of the bottoms of the cookers in different shapes.
In an alternative embodiment, a mounting bracket is provided on the moving part 1, the mounting bracket is provided with a receiving part 71, the receiving part 71 has a receiving area for receiving the magnetic element 3, wherein the magnetic induction element 4 is fixedly arranged.
Specifically, as shown in fig. 2, the mounting bracket includes a bottom plate 72, a guiding chute 721 is disposed on the bottom plate 72, the accommodating component 71 is movably connected to the guiding chute 721, and the magnetic sensing feedback effect is ensured by adjusting the position of the accommodating component 71 in the guiding chute 721 so that the magnetic elements 3 can both face the magnetic sensing element 4.
In a preferred embodiment, the bottom plate 72 is provided with a plurality of guide chutes 721 at intervals along the annular direction, and each guide chute 721 is correspondingly provided with the accommodating part 71, so that the magnetic induction element 4 does not limit a fixed point, i.e. any position below the bottom plate 72 can be selected to be fixed, and the magnetic induction element 3 can be directly opposite to the magnetic induction element 4, thereby further ensuring the magnetic induction feedback effect.
In a specific scenario, namely as shown in fig. 1, the magnetic element 3 is mounted on the moving component 1 through a mounting bracket, and the magnetic induction element 4 is fixedly arranged on the fixed component 6; specifically, as the moving component 1 is pushed down by the pot to move, the magnetic element 3 arranged on the moving component 1 also moves along with the movement of the moving component 1, at this time, the magnetic element 3 and the magnetic induction element 4 fixed on the fixed component 6 generate relative displacement, that is, the magnetic field intensity sensed by the magnetic induction element 4 changes along with the movement of the magnetic element 3, so that the magnetic induction element 4 correspondingly generates different feedback signals according to different moving distances of the moving component 1. For example, in the present embodiment, the magnetic sensing element 4 is a hall element, the hall element outputs a voltage signal, and the hall element outputs a constant value under normal conditions, if the moving component 1 is pressed down by the pot to move, the magnetic element 3 moves along with the moving component, and at this time, the output value of the hall element is proportional to the magnitude of the sensed magnetic field strength, that is, the closer the magnetic element 3 is to the hall element, the larger the output voltage signal of the hall element is.
Furthermore, the shape of the bottom of the cookware is identified according to different feedback signals, and then different dry burning prevention protection temperatures are formulated based on the combination of the shapes of the bottoms of different cookware and the measured temperature of the bottom of the cookware, namely, the dry burning prevention protection temperatures corresponding to the shapes of the different bottoms of the cookware are adapted to the self, so that the scheme of uniform dry burning prevention control for all cookware is avoided, and the timely effectiveness of the dry burning prevention control is effectively guaranteed.
In an alternative embodiment, the temperature sensing element comprises a thermistor 51 and a heat collection plate 52;
specifically, the thermistor 51 is attached to the heat collecting plate 52, and the heat collecting plate 52 is in direct contact with the bottom of the pot, so that the accuracy of temperature measurement is effectively guaranteed.
In an alternative embodiment, the fixed member 6 and the moving member 1 are hollow, and the fixed member 6 and the moving member 1 are provided with wires inside, and are electrically connected with the thermistor 51 through the wires.
In a preferred embodiment, the dry-heating prevention temperature sensing probe further comprises a protective shell 8, the protective shell 8 is fixedly arranged on the outer surface of the moving part 1, and the influence of high temperature on the moving part and the temperature measuring element can be avoided by arranging the protective shell.
In an embodiment, the elastic element 2 comprises a spring; and/or, the magnetic element 3 comprises any one of a magnet and an electromagnetic coil; and/or the magnetic induction element 4 comprises any one of a Hall element, a reed pipe element and a magneto-resistance element. The skilled person can select the magnetic sensor according to the actual application scenario, in the present embodiment, the elastic element 2 is preferably a spring, the magnetic element 3 is preferably a magnet, and the magnetic induction element 4 is preferably a hall element.
The anti-dry-heating temperature sensing probe of this embodiment makes the moving part hug closely the bottom of a boiler through setting up elastic element and moving part contact and through elasticity, utilize the temperature measurement element who sets up at the moving part top to measure the temperature, and when the moving part receives the pan and pushes down, magnetic induction element and magnetic element take place relative displacement, magnetic induction element senses the magnetic field intensity that magnetic element produced and also changes in order to generate different feedback signal, thereby can be according to the shape of different feedback signal discernment bottom of a boiler, and, can also combine the measured bottom of a boiler temperature to formulate different anti-dry-heating protection temperature based on the shape of different bottoms of a boiler, the accuracy and the promptness of anti-dry-heating control have been promoted widely, the security in kitchen has been ensured, user's use experience sense has also been promoted simultaneously.
Example 2
The present embodiment provides an anti-dry heating device, as shown in fig. 3, the anti-dry heating device of the present embodiment includes a controller 9 and an anti-dry heating temperature sensing probe of embodiment 1;
in an alternative embodiment, the controller 9 is configured to receive a feedback signal output by the magnetic induction element 4; the information type of the feedback signal is determined by the characteristics of the magnetic induction element itself, for example, if the magnetic induction element is a magnetoresistive element, the feedback signal is resistance information output by the magnetoresistive element, wherein the feedback signal is a voltage signal output by the magnetic induction element 4 in this embodiment.
Specifically, the controller 9 is configured to receive the voltage signal output by the magnetic induction element 4 to determine the shape of the bottom of the pot, for example, when the voltage signal is equal to a first voltage setting threshold, it is determined that no pot is placed; when the voltage signal is greater than a first voltage set threshold and less than a second voltage set threshold, determining that the pot bottom is concave; when the voltage signal is greater than a second voltage set threshold and less than a third voltage set threshold, determining that the pot bottom is flat; and when the voltage signal is greater than a third voltage setting threshold, determining that the shape of the pot bottom is a convex bottom, wherein a person skilled in the art can set specific values of the first voltage setting threshold, the second voltage setting threshold and the third voltage setting threshold according to a use scene.
In an alternative embodiment, the controller 9 is provided with a plurality of dry-heating prevention temperature thresholds, wherein different feedback signals correspond to different dry-heating prevention temperature thresholds.
Specifically, the controller 9 sets a plurality of dry-heating prevention temperature thresholds according to different feedback signals, that is, the shape of the bottom of the pot is recognized by different feedback signals, and then the dry-heating prevention protection temperature is set according to the shape, for example, the pot at the concave bottom corresponds to a first dry-heating prevention temperature threshold, the pot at the flat bottom corresponds to a second dry-heating prevention temperature threshold, and the pot at the convex bottom corresponds to a third dry-heating prevention temperature threshold, wherein the first dry-heating prevention temperature threshold, the second dry-heating prevention temperature threshold and the third dry-heating prevention temperature threshold can be set by those skilled in the art by combining the material of the pot and the shape of the bottom of the pot.
In a preferred embodiment, the controller 9 is further capable of generating an anti-dry heating control instruction to perform a fire-off operation when the temperature information of the pan bottom reaches an anti-dry heating threshold value.
The influence of different pot bottom shapes (as the indent, flat bottom, evagination etc.) to the accurate temperature measurement of pan is considered to the anti-dry combustion method device of this embodiment, the pot bottom shape of pan is confirmed to the distance of pushing down through the anti-dry combustion method temperature sensing probe, and then obtain corresponding anti-dry combustion method protection temperature based on different pot bottom shapes, the different anti-dry combustion method protection temperature of the pan of different pot bottom shapes is formulated promptly, avoid leading to the emergence of the condition such as mistake dry combustion method protection because of the temperature measurement is inaccurate, the too high temperature also does not carry out the emergence of dry combustion method protection, improve the control by temperature change accuracy effectively, the accuracy and the promptness of anti-dry combustion method control have been promoted widely, the security in kitchen has been ensured, user's use experience sense has also been promoted simultaneously.
Example 3
The embodiment provides a cooker, and the cooker of the embodiment comprises the dry burning prevention device of the embodiment 2.
In a preferred embodiment, the hob further comprises a burner.
Specifically, the dry-burning prevention temperature sensing probe is arranged in the center of the burner.
The cooking utensils of this embodiment prevent dry combustion method protection temperature through preventing dry combustion method device to the formulation difference of the pan of different pot bottom shapes, avoid because of the inaccurate mistake dry combustion method protection that leads to of temperature measurement, the too high emergence of the condition such as also carrying out dry combustion method protection of temperature, improve the control by temperature change accuracy effectively, promoted the accuracy and the promptness of preventing dry combustion method control widely, ensured the security in kitchen, also promoted user's use simultaneously and experienced the sense.
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 (10)
1. The dry-heating-preventing temperature-sensing probe is characterized by comprising a moving part, an elastic element, a magnetic induction element, a temperature measuring element and a mounting bracket;
the elastic element is used for contacting with the moving part and enabling the moving part to be clung to the bottom of the pot through elastic force; wherein, the temperature measuring element is arranged at the top of the moving part;
the magnetic induction element is used for inducing the magnetic field intensity generated by the magnetic element;
the moving component is used for changing the magnetic field intensity sensed by the magnetic induction element through moving;
the mounting bracket set up in on the moving part, the mounting bracket is provided with the holding part, the holding part has the holding area that is used for holding magnetic element, wherein, magnetic induction element is fixed to be set up.
2. The dry-heating prevention temperature sensing probe of claim 1, wherein the mounting bracket comprises a bottom plate, a guide sliding groove is formed on the bottom plate, and the accommodating part is movably connected with the guide sliding groove.
3. The dry-heating prevention temperature-sensing probe of claim 1, further comprising a fixing member;
the fixed member is used for supporting the moving member through the elastic element.
4. The dry-heating prevention temperature-sensing probe of claim 3, wherein the temperature measuring element comprises a thermistor and a heat collecting plate;
the thermistor is attached to the heat collecting plate;
the heat collecting plate is in contact with the bottom of the pot.
5. The dry-heating prevention temperature-sensing probe according to claim 4, wherein the fixed member and the moving member are hollow;
the fixed part and the moving part are internally provided with leads;
the lead is electrically connected with the thermistor.
6. The dry-heating prevention temperature-sensing probe according to any one of claims 1 to 5, further comprising a protective case, wherein the protective case is fixedly arranged on the outer surface of the moving part.
7. The dry-heating prevention temperature-sensing probe of claim 1, wherein the elastic element comprises a spring;
and/or the presence of a gas in the gas,
the magnetic element comprises any one of a magnet and an electromagnetic coil;
and/or the presence of a gas in the gas,
the magnetic induction element comprises any one of a Hall element, a reed pipe element and a magneto-resistance element.
8. An anti-dry heating device, characterized in that the anti-dry heating device comprises a controller and the anti-dry heating temperature sensing probe of any one of claims 1 to 7;
the controller is used for receiving a feedback signal output by the magnetic induction element;
the controller is provided with a plurality of dry burning prevention temperature thresholds, wherein different feedback signals correspond to different dry burning prevention temperature thresholds.
9. Hob, characterized in that it comprises a dry-burning protection device as claimed in claim 8.
10. The cooktop of claim 9, further comprising a burner;
the dry-burning-prevention temperature sensing probe is arranged at the center of the burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018168.3U CN215597352U (en) | 2021-08-25 | 2021-08-25 | Dry burning prevention temperature sensing probe, dry burning prevention device and stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018168.3U CN215597352U (en) | 2021-08-25 | 2021-08-25 | Dry burning prevention temperature sensing probe, dry burning prevention device and stove |
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| Publication Number | Publication Date |
|---|---|
| CN215597352U true CN215597352U (en) | 2022-01-21 |
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| CN202122018168.3U Active CN215597352U (en) | 2021-08-25 | 2021-08-25 | Dry burning prevention temperature sensing probe, dry burning prevention device and stove |
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| CN (1) | CN215597352U (en) |
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- 2021-08-25 CN CN202122018168.3U patent/CN215597352U/en active Active
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