CN215597349U - 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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- CN215597349U CN215597349U CN202122011739.0U CN202122011739U CN215597349U CN 215597349 U CN215597349 U CN 215597349U CN 202122011739 U CN202122011739 U CN 202122011739U CN 215597349 U CN215597349 U CN 215597349U
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Abstract
The utility model discloses an anti-dry-heating temperature sensing probe, an anti-dry-heating device and a stove, wherein the anti-dry-heating temperature sensing probe comprises a moving part, an elastic element, a temperature measuring element and a force measuring sensor; 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 moving component changes the stretching state of the elastic element through movement, and the force cell is used for measuring the elastic force of the elastic element. According to the utility model, the moving part changes the stretching state of the elastic element through moving, and then the force transducer is used for measuring the elasticity of the elastic element to generate different feedback signals, so that the shape of the pot bottom can be identified according to the different feedback signals, different dry burning prevention protection temperatures can be formulated according to the shapes of the different pot bottoms and the measured pot bottom temperature, 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 temperature measuring element and a force measuring sensor, 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 moving component changes the stretching state of the elastic element through movement, and the load cell is used for measuring the elastic force of the elastic element.
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, one end of the load cell abuts against the elastic element, and the other end of the load cell abuts against the fixing member.
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 force sensor comprises any one of a tension sensor and a pressure sensor.
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 force measuring sensor;
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 pot bottom is tightly attached to the moving part through the contact of the elastic element and the moving part and the elastic force, the temperature is measured by the temperature measuring element arranged at the top of the moving part, when the moving part is pressed down by a pot, the moving part is changed through movement, the elastic element is in a telescopic state, the elastic force of the elastic element is measured by the force measuring sensor to generate different feedback signals, the shape of the pot bottom can be recognized according to different feedback signals, different dry burning prevention protection temperatures can be formulated according to the shape of different pot bottoms and the measured pot bottom temperatures, the accuracy and timeliness of dry burning prevention control are greatly improved, the safety of a kitchen is guaranteed, and the use experience of a user is also 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 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 temperature measuring element, a load cell 4, and a fixing member 5.
Specifically, the elastic element 2 is in contact with the moving part 1 and enables the moving part 1 to be tightly attached to the bottom of the pot through elastic force, wherein the temperature measuring element is arranged on the top of the moving part 1, the moving part 1 changes the telescopic state of the elastic element 2 through moving movement, then the elastic force of the elastic element 2 is measured by the force cell 4 to generate different feedback signals, and the fixed part 5 is used for supporting the moving part 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, one end of the load cell 4 abuts the elastic element 2 and the other end of the load cell 4 abuts the fixed part 5. Wherein, the force sensor comprises any one of a tension sensor and a pressure sensor.
In a specific scenario, that is, as shown in fig. 1, if the load cell 4 is a pressure sensor, specifically, as the moving component 1 is pressed down by the pot, the elastic element 2 is under pressure, and the stretching state changes, that is, the larger the pressing down movement of the moving component 1 is, the larger the elastic force of the elastic element 2 acting on the pressure sensor is, that is, the larger the pressure received by the pressure sensor is, so that the pressure sensor generates different feedback signals. For example, the pressure sensor converts the pressure signal into a voltage signal or a current signal, and in the embodiment, the pressure sensor converts the pressure signal into a voltage signal, and the pressure sensor is not under the pressure action of the elastic element 2 under the normal condition, but when the moving part 1 is pressed down by the pot to move, the pressure received by the pressure sensor is gradually increased, and the output voltage signal is also gradually increased.
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 measuring element comprises a thermistor 31 and a heat collecting plate 32;
specifically, the thermistor 31 is attached to the heat collecting plate 32, and the heat collecting plate 32 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 part 5 and the moving part 1 are hollow, and the fixed part 5 and the moving part 1 are provided with wires inside, and are electrically connected with the thermistor 31 through the wires.
In a preferred embodiment, the dry-heating prevention temperature sensing probe further comprises a protective shell 6, the protective shell 6 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.
The anti-dry heating temperature sensing probe of the embodiment enables the moving part to be tightly attached to the pot bottom through the elastic force by arranging the elastic element to be in contact with the moving part, 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 a pot, the moving part changes the stretching state of the elastic element through movement, and then the elastic force of the elastic element is measured by the force measuring sensor to generate different feedback signals, so that the shape of the pot bottom can be identified according to different feedback signals, and different anti-dry heating protection temperatures can be formulated by combining the measured pot bottom temperatures based on the shapes of different pot bottoms, the accuracy and timeliness of anti-dry heating control are greatly improved, the safety of a kitchen are guaranteed, and meanwhile, the use experience of a user is also improved.
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 7 and an anti-dry heating temperature sensing probe of embodiment 1;
in an alternative embodiment, the controller 7 is configured to receive a feedback signal output by the load cell 4; the feedback signal, that is, the moving member 1 changes the stretching state of the elastic element 2 by moving, and then the load cell measures different feedback signals generated by the elastic force of the elastic element, the pressing distances of different pot bottom shapes are different, and the generated pressure is different, for example, the larger the pressing movement of the moving member 1 is, the larger the elastic force of the elastic element 2 acting on the pressure sensor is, that is, the larger the pressure received by the pressure sensor is.
Specifically, the controller 7 is used for determining the shape of the bottom of the pot by the feedback signal output by the load cell 4, for example, generating a first control signal according to a first pressure and a second control signal according to a second pressure, wherein the first pressure is smaller than the second pressure, and the first pressure and the second pressure can be set by a person skilled in the art according to a use scenario; when the two control signals are not received, determining that no cookware is placed; when only the first control signal is received, determining that the pan bottom is flat; and when the first control signal and the second control signal are received, determining that the shape of the pot bottom is a convex bottom.
In an alternative embodiment, the controller 7 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 7 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 identified 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 7 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 temperature measuring element and a force measuring sensor;
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 moving component changes the stretching state of the elastic element through movement, and the load cell is used for measuring the elastic force of the elastic element.
2. 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.
3. The dry-heating prevention temperature-sensitive probe according to claim 2, wherein one end of the load cell abuts against the elastic member, and the other end of the load cell abuts against the fixing member.
4. The dry-heating prevention temperature-sensing probe of claim 2, 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 temperature-sensing probe of 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 force sensor comprises any one of a tension sensor and a pressure sensor.
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 according to any one of claims 1 to 7;
the controller is used for receiving a feedback signal output by the force measuring sensor;
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 according to 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 |
|---|---|---|---|
| CN202122011739.0U CN215597349U (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 |
|---|---|---|---|
| CN202122011739.0U CN215597349U (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 |
|---|---|
| CN215597349U true CN215597349U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122011739.0U Active CN215597349U (en) | 2021-08-25 | 2021-08-25 | Dry burning prevention temperature sensing probe, dry burning prevention device and stove |
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| Country | Link |
|---|---|
| CN (1) | CN215597349U (en) |
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2021
- 2021-08-25 CN CN202122011739.0U patent/CN215597349U/en active Active
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