CN213345248U - Steam sensor and cooking utensil - Google Patents
Steam sensor and cooking utensil Download PDFInfo
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- CN213345248U CN213345248U CN202020791825.0U CN202020791825U CN213345248U CN 213345248 U CN213345248 U CN 213345248U CN 202020791825 U CN202020791825 U CN 202020791825U CN 213345248 U CN213345248 U CN 213345248U
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Abstract
The invention discloses a steam sensor and a cooking utensil, and the technical scheme of the first aspect of the invention comprises the following steps: the temperature control frame is arranged on the temperature sensor and the lead in the temperature control frame; the technical scheme of another aspect includes: a steam sensor of the first aspect, and a main board that controls cooking. The steam sensor has the advantages that the steam sensor in the first aspect is sensitive and quick in response to small temperature changes, and the sensitivity and the response speed of the steam sensor can be kept consistent no matter the temperature changes from low to high or from high to low; on the other hand, with the steam sensor setting of first aspect on cooking utensil, not only effectively solved the problem that adopts current temperature control device cooking utensil to exist, still enlarged cooking utensil and used the material range of application of container to for cooking utensil's continuous boiling, not puff the automatic control who overflows again provides the guarantee, and then reach and synthesize the purpose that promotes cooking utensil performance, satisfy consumer's requirement.
Description
Technical Field
The invention relates to the technical field of kitchen utensils, in particular to a steam sensor and a cooking utensil.
Background
At present, all household or commercial cooking appliances sold on the market realize the automatic heating control method by the following steps: a method of measuring the temperature of the bottom or side of a container, or a method of measuring the temperature of the interior of a container. However, in any temperature measurement method, large-area contact with the container or the upper cover is required to be generated to ensure the installation tightness and the reliability of temperature measurement, for example, a temperature control device at the bottom or the side of the electric cooker uses the elastic force of a spring to ensure the contact between a metal shell and the bottom or the side wall of an inner pot, and a temperature control device at the bottom of an electric kettle or the upper cover of the electric cooker is directly fixed on the kettle bottom or the upper cover by bolts.
Therefore, when the existing temperature measurement method is influenced by different altitudes, the change of the capacity of the contained material, different temperature states of the container and the contained material, the heat stored by temperature measurement parts, the deformation of the container and the like, the problem of inaccurate control or failure is very easy to occur, the measurement and control signal capability of providing continuous boiling and no puffing and overflowing for the appliance is not provided, and the use of the material of the container is also limited, for example, the appliance adopting the non-metal material container can only depend on timing control or low-power slow stewing.
Disclosure of Invention
The invention aims to provide the steam sensor, the temperature sensing main body of the temperature sensor is in a suspended state in a large area, the influence of the heat stored by the temperature control frame is extremely small, and steam and/or air is used as a detection object, so that the steam sensor has the characteristics of sensitive and quick response to the tiny temperature change of gas and no influence of temperature high-low conversion, and the new technical scheme at least solves one of the problems of the existing temperature measurement method or the related technology; on the other hand, the steam sensor of the first aspect is arranged on the cooking appliance, steam is generated only by boiling, and unequal steam is generated by boiling in different degrees, and the steam sensor of the first aspect converts the generated tiny temperature change into a temperature electric signal required by automatic control of the cooking appliance when the steam and air alternately and/or jointly act, so that the problems of the cooking appliance using the conventional temperature measuring method are effectively solved, the selection range of the cooking appliance for the application of container materials is expanded, continuous boiling and no spill are realized for the cooking appliance, a practical, effective and reliable measurement and control scheme is provided, the comprehensive performance of the cooking appliance is further comprehensively improved, and the higher requirements of consumers on the cooking appliance are met.
In order to achieve the above object, the technical solution of the first aspect of the present invention is: a vapor sensor, comprising:
the temperature control frame, a temperature sensor arranged in the temperature control frame and a lead connected with the temperature sensor;
a temperature sensor: the temperature sensor is a combined device which is composed of a shell, a thermistor sleeved in the shell and insulating tubes sleeved at two ends of the thermistor, and shows different resistance values at different temperatures in a U shape;
a temperature control frame: the temperature control frame is made of plastic materials and consists of a platform, two upright posts arranged on the platform, through holes penetrating the upright posts and the platform and grooves arranged at the top ends of the upright posts;
conducting wires: the lead is an electric connecting wire which is connected with two ends of the thermistor and is used for carrying out electric signal transmission;
through holes: the through hole is in clearance fit with the insulating tube;
groove: the depth of the groove is larger than the outer size of the shell, and the width of the groove is in clearance fit with the outer size of the shell.
Furthermore, a steam sensor, its characterized in that, with "U" type temperature sensor's both ends, pass the through-hole of two stands of the control by temperature change frame of making with silica gel, then fix in the recess on control by temperature change frame stand top, after riveting or welding the wire with temperature sensor's both ends again, only temperature sensor's both ends and stand recess contact, and temperature sensor's temperature sensing main part is unsettled in the control by temperature change frame for temperature sensor does not receive the control by temperature change frame temperature influence, and the small temperature change response that brings steam and/or air is sensitive, quick.
An additional technical scheme of the first aspect of the invention is as follows:
the temperature control frame is made of silica gel, or rubber, or soft plastic.
The technical scheme of the other aspect of the invention is as follows:
a cooking appliance, comprising: a steam sensor according to any of the first aspect, and a main board for controlling cooking.
Further, the cooking utensil is characterized by comprising: an electric kettle, a health preserving kettle, a wall breaking machine, an electric cooker, an electric steamer, an electric chafing dish, an electric stewpot, an electric pressure cooker, an air fryer, a deep fryer and an electric heating multipurpose pot.
Further, the cooking appliance is characterized in that after the steam sensor in any one of the first aspect is electrically connected with the main board through a wire, the temperature sensor transmits a current air temperature electric signal when no steam is generated, after steam is generated by heating, the temperature sensor transmits a changed temperature electric signal under the alternating and/or combined action of steam and air, after the steam completely replaces the air, the temperature sensor transmits a boiling steam temperature electric signal, after heating is stopped and no steam is generated, the temperature sensor transmits a changed temperature electric signal under the alternating and/or combined action of air and steam, and after the air completely replaces the steam, the temperature sensor transmits a current air temperature electric signal.
The additional technical scheme of the other aspect of the invention is as follows:
the vapor sensor of any of the first aspect, wherein the vapor sensor is a self-sealing mounting structure that is in an interference fit with an appliance.
The cooking appliance is characterized in that due to the structural characteristics of the steam sensor in the first aspect, the temperature sensing body of the temperature sensor mounted on the appliance does not contact with any part and/or part of the appliance.
The steam sensor has the advantages that the steam sensor in the first aspect has high sensitivity and high speed in response to small temperature changes, and the sensitivity and the response speed of the steam sensor can be kept consistent no matter the temperature changes from low to high or from high to low, so that one of the problems of the existing temperature control device and the related technology is effectively solved; on the other hand, set up the steam sensor of first aspect on cooking utensil, because temperature sensor's unsettled technical scheme for temperature sensor has avoided receiving the influence of cooking utensil component part, consequently, has not only effectively solved the problem that adopts current temperature control device cooking utensil to exist, has still enlarged the material range of application of cooking utensil use container, and for the continuous boiling of cooking utensil, the automatic control that can not puff again provides the guarantee, and then reaches comprehensive promotion cooking utensil performance, satisfies the purpose that the consumer required. Additional features and advantages will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is an isometric exploded view of an embodiment vapor sensor;
FIG. 2 is a cross-sectional view of an embodiment vapor sensor;
FIG. 3 is an isometric view of an embodiment of a temperature control rack with different views;
FIG. 4 is a cross-sectional view of an embodiment temperature controlled rack;
FIG. 5 is an isometric exploded view of an embodiment temperature sensor.
Reference numerals: 2. a temperature control frame; 20. a platform; 21. a column; 22. a through hole; 23. a groove; 3. a temperature sensor; 31. a thermistor; 32. a housing; 33. an insulating tube.
The specific implementation mode is as follows:
embodiments of the invention will now be described in detail with reference to the drawings, wherein like reference numerals designate identical or similar elements or elements having identical or similar functions. The following examples are illustrative only for the purpose of illustrating the present invention and are not to be construed as simply limiting the invention.
The present invention relates to a description of nouns and terms. A temperature sensing main body: the PTC thermistor or the NTC thermistor has the most obvious temperature induction; electrical connection: the term "electrical connection" is used broadly to refer to the collection of all electrical circuits in an electrical product, including power connections such as power plugs, power terminals, etc., power cords, internal conductors, internal connections, etc., and the term "electrical connection" is used only to refer to all ways of connecting different conductors within a product. The terms "housing", "insulating tube", "main plate", "alternate action", "co-action", and the like are to be construed broadly based on the known art and in conjunction with the description herein, unless otherwise expressly specified or limited. Therefore, the meanings of the above-mentioned nouns and terms in the present invention can be understood according to specific situations by those skilled in the art.
A steam sensor and a cooking appliance of the present invention will be described in detail with reference to fig. 1 to 5.
As shown in fig. 1 to 5, a vapor sensor according to a first aspect of the present invention includes: the temperature control device comprises a temperature control frame (2), a temperature sensor (3) arranged in the temperature control frame (2), and a lead connected to the temperature sensor (3).
The temperature sensor (3) is composed of a shell (32), a PTC or NTC thermistor (31) sleeved in the shell (32), and an insulating tube (33) made of silica gel or rubber or Polytetrafluoroethylene (PTFE) sleeved at two ends of the thermistor (31) as shown in FIG. 5, and is a combined device which is U-shaped and shows different resistance values at different temperatures.
A temperature control frame (2), as shown in fig. 3 and 4, the temperature control frame (2) is made of silica gel, or rubber, or soft plastic, the temperature control frame (2) is composed of a platform (20), two upright posts (21) arranged on the platform (20), through holes (22) penetrating through the upright posts (21) and the platform (20), and grooves (23) arranged at the top ends of the upright posts (21); furthermore, the through hole (22) is in clearance fit or transition fit with the insulating tube (33), the depth of the groove (23) is greater than the outer dimension of the shell (32), and the width of the groove (23) is in clearance fit or transition fit with the outer dimension of the shell (32); in order to ensure that the temperature control frame (2) has good sealing property and supporting effect and has the characteristics of health and environmental protection, the temperature control frame (2) is preferably prepared by silica gel with the Shore hardness of more than 30 degrees and by adopting twice vulcanization.
The lead is an electric connecting wire which is connected to two ends of the thermistor (31) and is used for transmitting temperature electric signals, and the lead and the thermistor (31) are connected through riveting or welding. (since the conductive lines are well known in the art, they are not described or identified in detail in the specification and drawings attached thereto)
Further, as shown in fig. 1 and 2, the steam sensor is characterized in that two ends of a U-shaped temperature sensor (3) penetrate through holes (22) of two upright posts (21) of a temperature control frame (2) made of silica gel, then the U-shaped temperature sensor is fixed in a groove (23) at the top end of the upright post (21) of the temperature control frame (2), and then after two ends of the temperature sensor (3) are riveted or welded with wires, only two ends of the temperature sensor (3) are in contact with the groove (23) of the upright post (21), and a temperature sensing main body of the temperature sensor (3) is suspended in the temperature control frame (2), so that the temperature sensor (3) is not affected by the temperature of the temperature control frame (2), and is sensitive and rapid to the small temperature change brought by steam and/or air; wherein, the relation of temperature sensor (3) both ends and through-hole (22), preferably have self-sealing effect transition fit, after temperature sensor (3) is fixed in recess (23), in order to ensure temperature sensor (3) in practical application, the temperature sensing main part can not touch cooking utensil's component parts, and preferred stand (21) top surface is higher than shell (32) more than 1 mm.
In another aspect of the present invention, a cooking appliance includes:
a steam sensor according to any of the first aspect, and a main board for controlling cooking.
Further, the cooking utensil is characterized in that the steam sensor of any one of the first aspect is a self-sealing installation structure which is in interference fit with the utensil, and due to the structural characteristics of the steam sensor, a temperature sensing body of the temperature sensor (3) installed on the utensil cannot be in contact with any part and/or part of the utensil; therefore, when the steam sensor in any one of the first aspect is electrically connected with the main board through a wire, the temperature sensor (3) transmits a current air temperature electric signal when no steam is generated, the temperature sensor (3) transmits a changed temperature electric signal under the alternating and/or combined action of the steam and the air after the steam is heated to generate the steam, the temperature sensor (3) transmits a boiling steam temperature electric signal after the steam completely replaces the air, the temperature sensor (3) transmits a changed temperature electric signal under the alternating and/or combined action of the air and the steam after the heating is stopped and no steam exists, and the temperature sensor (3) transmits a current air temperature electric signal after the air completely replaces the steam.
Further, the cooking utensil is characterized by comprising: an electric kettle, a health preserving kettle, a wall breaking machine, an electric cooker, an electric steamer, an electric chafing dish, an electric stewpot, an electric pressure cooker, an air fryer, a deep fryer and an electric heating multipurpose pot.
Claims (7)
1. A vapor sensor, comprising:
the temperature control frame, a temperature sensor arranged in the temperature control frame and a lead connected with the temperature sensor;
a temperature sensor: the temperature sensor is a combined device which is composed of a shell, a thermistor sleeved in the shell and insulating tubes sleeved at two ends of the thermistor, and shows different resistance values at different temperatures in a U shape;
a temperature control frame: the temperature control frame is made of plastic materials and consists of a platform, two upright posts arranged on the platform, through holes penetrating the upright posts and the platform and grooves arranged at the top ends of the upright posts;
conducting wires: the lead is an electric connecting wire which is connected with two ends of the thermistor and is used for carrying out electric signal transmission;
through holes: the through hole is in clearance fit with the insulating tube;
groove: the depth of the groove is larger than the outer size of the shell, and the width of the groove is in clearance fit with the outer size of the shell.
2. The steam sensor according to claim 1, wherein the two ends of the "U" -shaped temperature sensor are inserted through holes of two vertical columns of the temperature control rack made of silica gel, and then fixed in grooves at the top ends of the vertical columns of the temperature control rack, and then after the two ends of the temperature sensor are riveted or welded with wires, only the two ends of the temperature sensor are in contact with the grooves of the vertical columns, and the temperature sensing body of the temperature sensor is suspended in the temperature control rack, so that the temperature sensor is not affected by the temperature of the temperature control rack, and is sensitive and fast in response to small temperature changes brought by steam and/or air.
3. A vapor sensor according to claim 1, wherein: the temperature control frame is made of silica gel, or rubber, or soft plastic.
4. A cooking appliance, comprising: a steam sensor according to any of claims 1 to 3, and a main board for controlling cooking.
5. The cooking appliance of claim 4, comprising: an electric kettle, a health preserving kettle, a wall breaking machine, an electric cooker, an electric steamer, an electric chafing dish, an electric stewpot, an electric pressure cooker, an air fryer, a deep fryer and an electric heating multipurpose pot.
6. The cooking appliance according to claim 4, wherein the temperature sensing body of the temperature sensor mounted on the appliance does not contact any part and/or part of the appliance due to the structural characteristics of the steam sensor according to any one of claims 1 to 3.
7. The cooking appliance according to claim 4, wherein the steam sensor of any one of claims 1 to 3 is electrically connected to the main board through a wire, the temperature sensor transmits a current air temperature electric signal when no steam is generated, the temperature sensor transmits a changed temperature electric signal under the alternating and/or combined action of steam and air when steam is generated by heating, the temperature sensor transmits a steam temperature electric signal when the steam completely replaces the air, the temperature sensor transmits a steam temperature electric signal when the steam stops heating and no steam exists, the temperature sensor transmits a changed temperature electric signal under the alternating and/or combined action of air and steam when the air completely replaces the steam, and the temperature sensor transmits a current air temperature electric signal when the air completely replaces the steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791825.0U CN213345248U (en) | 2020-05-08 | 2020-05-08 | Steam sensor and cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791825.0U CN213345248U (en) | 2020-05-08 | 2020-05-08 | Steam sensor and cooking utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213345248U true CN213345248U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020791825.0U Active CN213345248U (en) | 2020-05-08 | 2020-05-08 | Steam sensor and cooking utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213345248U (en) |
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- 2020-05-08 CN CN202020791825.0U patent/CN213345248U/en active Active
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