CN215597354U - 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
- Publication number
- CN215597354U CN215597354U CN202122019100.7U CN202122019100U CN215597354U CN 215597354 U CN215597354 U CN 215597354U CN 202122019100 U CN202122019100 U CN 202122019100U CN 215597354 U CN215597354 U CN 215597354U
- Authority
- CN
- China
- Prior art keywords
- dry
- moving part
- temperature
- sensing probe
- hall element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cookers (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
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 element, a Hall element and a temperature measuring element; 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 on the top of the moving part; the Hall element is used for sensing the magnetic field intensity generated by the magnetic element; the moving part is used for changing the magnetic field intensity sensed by the Hall element through moving. According to the utility model, when the moving part is pressed down by the cooker, the Hall element and the magnetic element are relatively displaced, the magnetic field intensity sensed by the Hall 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 element, a Hall element and a temperature measuring element, 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 Hall element is used for sensing the magnetic field intensity generated by the magnetic element;
the moving component is used for changing the magnetic field intensity sensed by the Hall element through moving.
Preferably, the magnetic element is arranged on the moving part, and the hall element is fixedly arranged;
or the like, or, alternatively,
the Hall element is arranged on the moving component, and the magnetic element is fixedly arranged.
Preferably, the dry-heating prevention temperature sensing probe further comprises a fixing part;
the fixed part is used for supporting the moving part through the elastic element;
if the magnetic element is arranged on the moving component, the Hall element is fixedly arranged on the fixed component;
and if the Hall element is arranged on the moving part, the magnetic element is fixedly arranged on the fixed part.
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;
and/or the presence of a gas in the gas,
the elastic element comprises a spring;
and/or the presence of a gas in the gas,
the magnetic element includes any one of a magnet and an electromagnetic coil.
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 Hall 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 dry burning prevention 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: make 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 to push down, hall element and magnetic element take place relative displacement, hall 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 protection temperatures of preventing dry combustion, the accuracy and the promptness of preventing dry combustion control have been promoted widely, the security in kitchen has been ensured, user's use experience sense has also been promoted simultaneously.
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 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
In the present embodiment, as shown in fig. 1, the dry-heating prevention temperature sensing probe of the present embodiment includes a moving member 1, an elastic element 2, a magnetic element 3, a hall element 4, a temperature measuring element, and a fixed member 6.
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 Hall element 4 is used for sensing the magnetic field intensity generated by the magnetic element 3, the moving component 1 is used for changing the magnetic field intensity sensed by the Hall element 4 through movement, and the fixing 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, the magnetic element 3 is arranged on the moving part 1, and the hall element 4 is fixedly arranged; alternatively, the hall element 4 is provided on the moving member 1, and the magnetic element 3 is fixedly provided.
In a specific scenario, i.e. as shown in fig. 1, if the magnetic element 3 is disposed on the moving part 1, the hall element 4 is fixedly disposed on the fixed part 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 hall element 4 fixed on the fixed component 6 generate relative displacement, that is, the magnetic field intensity sensed by the hall element 4 changes along with the movement of the magnetic element 3, so that the hall element 4 correspondingly generates different feedback signals according to different moving distances of the moving component 1.
In another specific scenario, if the hall element 4 is disposed on the moving part 1, the magnetic element 3 is fixedly disposed on the fixed part 6; specifically, as the moving part 1 is pressed down by the pot to move, the hall element 4 arranged on the moving part 1 also moves along with the movement of the moving part 1, at this time, the hall element 4 and the magnetic element 3 fixed on the fixed part 6 generate relative displacement, that is, the magnetic field intensity sensed by the hall element 4 changes along with the movement of the hall element 4, so that the hall element 4 correspondingly generates different feedback signals according to different moving distances of the moving part 1. For example, the hall element 4 outputs a voltage signal, and the hall element 4 outputs a constant value under normal conditions, if the moving component 1 is pressed down by the pot to move, the hall element 4 also moves along with the moving component, and at this time, the output value of the hall element 4 is proportional to the magnitude of the sensed magnetic field intensity, that is, the closer the magnetic element 3 is to the hall element 4, the larger the voltage signal output by the hall element 4 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 7, the protective shell 7 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 of the present embodiment includes a spring; and/or, the magnetic element 3 of the present embodiment includes any one of a magnet and an electromagnetic coil. The skilled person can choose the application according to the actual situation, in this embodiment, the elastic element 2 is preferably a spring, and the magnetic element 3 is preferably a magnet.
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 measuring element who sets up at the moving part top to measure the temperature, and when the moving part receives the pan and pushes down, relative displacement takes place for hall element and magnetic element, hall 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 measured bottom of a boiler temperature to formulate different anti-dry heating protection temperatures 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. 2, the anti-dry heating device of the present embodiment includes a controller 8 and an anti-dry heating temperature sensing probe of embodiment 1;
in an alternative embodiment, the controller 8 is configured to receive a feedback signal output by the hall element 4; in this embodiment, the feedback signal is a voltage signal output by the hall element 4.
Specifically, the controller 8 is configured to receive the voltage signal output by the hall 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 8 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 8 sets a plurality of dry-burning 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-burning prevention protection temperature is set according to the shape, for example, the pot at the concave bottom corresponds to a first dry-burning prevention temperature threshold, the pot at the flat bottom corresponds to a second dry-burning prevention temperature threshold, and the pot at the convex bottom corresponds to a third dry-burning prevention temperature threshold, wherein the first dry-burning prevention temperature threshold, the second dry-burning prevention temperature threshold and the third dry-burning 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 8 is further capable of generating an anti-dry heating control instruction to execute 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 element, a Hall element and a temperature measuring element;
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 Hall element is used for sensing the magnetic field intensity generated by the magnetic element;
the moving component is used for changing the magnetic field intensity sensed by the Hall element through moving.
2. The dry-heating prevention temperature sensing probe according to claim 1, wherein the magnetic element is disposed on the moving member, and the hall element is fixedly disposed;
or the like, or, alternatively,
the Hall element is arranged on the moving component, and the magnetic element is fixedly arranged.
3. The dry-heating prevention temperature-sensing probe of claim 2, further comprising a fixing member;
the fixed part is used for supporting the moving part through the elastic element;
if the magnetic element is arranged on the moving component, the Hall element is fixedly arranged on the fixed component;
and if the Hall element is arranged on the moving part, the magnetic element is fixedly arranged on the fixed part.
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 includes any one of a magnet and an electromagnetic coil.
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 Hall 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 |
|---|---|---|---|
| CN202122019100.7U CN215597354U (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 |
|---|---|---|---|
| CN202122019100.7U CN215597354U (en) | 2021-08-25 | 2021-08-25 | Dry burning prevention temperature sensing probe, dry burning prevention device and stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215597354U true CN215597354U (en) | 2022-01-21 |
Family
ID=79882829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122019100.7U Active CN215597354U (en) | 2021-08-25 | 2021-08-25 | Dry burning prevention temperature sensing probe, dry burning prevention device and stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215597354U (en) |
-
2021
- 2021-08-25 CN CN202122019100.7U patent/CN215597354U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5503013B2 (en) | Cooker | |
| US8492684B2 (en) | Method for detecting the presence of a cooking vessel on an induction cooking hob and hob using such method | |
| US8217321B2 (en) | Method for generating, processing and analysing a signal correlated to temperature and corresponding device | |
| CN107143893B (en) | Control method of electromagnetic oven cooker and electromagnetic oven cooker | |
| CN109237531A (en) | The control method and anti-dry system of anti-dry | |
| CN110043926B (en) | Dry burning prevention device and method, smoke machine and smoke stove complete equipment | |
| CN215597354U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| CN215597356U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| CN215597353U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| CN220471694U (en) | Temperature measuring assembly based on infrared thermopile array and stove | |
| CN215597352U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| CN215597349U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| CN215597350U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| CN215597351U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| CN110848746A (en) | Control method of gas stove and gas stove | |
| CN110848754A (en) | Control method of gas stove and gas stove | |
| CN215597355U (en) | Dry burning prevention temperature sensing probe, dry burning prevention device and stove | |
| JP2003249341A (en) | Induction heating cooker | |
| CN2859297Y (en) | Temperature-sensing and measuring structure for electromagnetic stove | |
| CN110848755A (en) | Control method of gas stove and gas stove | |
| CN209214772U (en) | A kind of contactless electromagnetic oven temperature detection device and electromagnetic oven | |
| CN206177478U (en) | Detecting system and electromagnetic heating kitchen utensils and appliances of electromagnetic heating pot utensil temperature | |
| CN100595488C (en) | Electrical-heating cooking utensil with accurate temperature measurement and method for measuring temperature thereby | |
| CN113390106B (en) | Control method, cooking appliance and storage medium | |
| CN206149527U (en) | Detect system and electromagnetic heating kitchen utensils and appliances of electromagnetic heating pot utensil temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |