CN113758585A - Low-delay temperature probe and electromagnetic cooking appliance applying same - Google Patents
Low-delay temperature probe and electromagnetic cooking appliance applying same Download PDFInfo
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- CN113758585A CN113758585A CN202111057757.0A CN202111057757A CN113758585A CN 113758585 A CN113758585 A CN 113758585A CN 202111057757 A CN202111057757 A CN 202111057757A CN 113758585 A CN113758585 A CN 113758585A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a low-delay temperature probe and an electromagnetic cooking appliance applying the same, and relates to the technical field of temperature probes. A low-latency temperature probe, comprising: the temperature-resistant insulating elastic part comprises a shell, a temperature-resistant insulating elastic part, a temperature sensor and an ejector part, wherein the ejector part comprises an ejector part and an assembling part, the assembling part is fixedly connected with the outer wall of the shell, and the ejector part ejects the temperature sensor to be tightly attached to the top surface of the first cavity. The temperature-resistant insulating elastic piece is pushed by the pushing part, so that the temperature-resistant insulating elastic piece is deformed by pushing force, the bottom of the second cavity is raised upwards to lift the temperature sensor arranged in the second cavity, the temperature sensor is tightly attached to the top surface of the first cavity, the heat transfer path of the temperature of the shell to the temperature sensor is shortened, the heat transfer time and the heat loss are reduced, the heat transfer hysteresis is smaller, the heat loss is less, the temperature sensing time of the temperature probe is favorably shortened, and the accuracy of the temperature probe is favorably improved.
Description
Technical Field
The invention relates to the technical field of temperature probes, in particular to a low-delay temperature probe and an electromagnetic cooking appliance applying the same.
Background
The electromagnetic cooker has the advantages of quick heating, no open fire, no smoke, safety, convenience and the like, and is more and more favored and approved by consumers. The electromagnetic cooker in the prior art is provided with a temperature probe to measure the temperature data of a cooker so as to prevent the cooker from being dried.
The structure of the existing temperature probe for the electromagnetic cooker comprises an outer shell, a fixing seat and a temperature sensor, wherein the fixing seat is arranged inside the outer shell, a heat conduction cavity is formed between the fixing seat and the inner wall of the outer shell, the temperature sensor is arranged in the heat conduction cavity and fixedly connected with the fixing seat, and in addition, heat conduction silicone grease is filled in the heat conduction cavity. So, when the temperature conduction of pan comes, can arrive temperature sensor after shell body and heat conduction silicone grease in proper order.
However, the structure of the existing temperature probe has the problems that during production and assembly, the temperature sensor is difficult to be tightly attached to the outer shell so as to shorten the heat conduction path and reduce heat loss, so that certain hysteresis exists in the temperature detection of the existing temperature probe, a large temperature detection error exists between the temperature value detected by the temperature probe in practical application and the actual temperature of a cookware, and the accuracy of the temperature detection is difficult to ensure.
Disclosure of Invention
The invention aims to provide a low-delay temperature probe and an electromagnetic cooking appliance applying the same, and aims to solve the problems that the temperature sensor is difficult to be tightly attached to an outer shell of the conventional temperature probe, so that the temperature measurement hysteresis is poor and the accuracy of temperature detection is difficult to ensure.
In order to solve the above technical problem, a first aspect of the present invention discloses a low-delay temperature probe, including: the shell is provided with a first cavity with a downward opening;
the temperature-resistant insulating elastic piece is provided with a second cavity and an insulating line pressing part, the opening of the second cavity is arranged upwards, and the insulating line pressing part is arranged in a protruding manner relative to the inner side wall of the second cavity; the temperature-resistant insulating elastic piece is arranged in the first cavity;
the temperature sensor is arranged in the second cavity, and the lead end of the temperature sensor is abutted against at least part of the insulating crimping part;
the pushing piece comprises a pushing part and an assembling part, the assembling part is fixedly connected with the outer wall of the shell, and the top surface of the pushing part is abutted against the bottom surface of the temperature-resistant insulating elastic piece so as to push the temperature sensor to be tightly attached to the top surface of the first cavity.
As an optional implementation manner, in the first aspect of the present invention, the temperature-resistant insulating elastic member is provided with at least two first outlet holes arranged at intervals, an inlet end of each first outlet hole is communicated to the second cavity, a lead wire at one end of the temperature sensor penetrates through one first outlet hole, and a lead wire at the other end of the temperature sensor penetrates through the other first outlet hole.
As an optional implementation manner, in the first aspect of the present invention, the ejector is provided with at least one second outlet hole, and the lead wires at two ends of the temperature sensor penetrate through the first outlet hole and then are communicated to the outside from the second outlet hole.
As an alternative implementation manner, in the first aspect of the present invention, the assembling portion is screwed with the housing, the assembling portion is provided with an internal thread at a portion higher than the pushing top portion, and an external thread matching with the internal thread is provided on an outer wall of the housing.
As an optional implementation manner, in the first aspect of the present invention, the number of the second outlet holes is one, and the second outlet holes are disposed in the middle of the push top portion.
As an alternative, in the first aspect of the present invention, the second cavity is filled with a paste-like heat conductive and insulating material.
As an optional implementation manner, in the first aspect of the present invention, the housing further includes a connecting portion and a limiting portion, the limiting portion is disposed to protrude from an outer side wall of the connecting portion, and the limiting portion is configured to limit the connecting portion from moving up and down.
As an optional implementation manner, in the first aspect of the present invention, the position-limiting surface of the position-limiting portion is provided with a seal filling groove, and the seal filling groove is used for filling a sealing material.
As an alternative implementation manner, in the first aspect of the present invention, the assembling portion is fixedly connected to the housing by a snap connection, an interference connection, or an adhesive connection.
In a second aspect of the present invention, there is disclosed an electromagnetic cooking appliance comprising the low-delay temperature probe of any one of the first aspect of the present invention and a faceplate, wherein the faceplate is provided with at least three mounting holes which are arranged non-linearly, the housing is mounted in the mounting holes and at least a portion of the housing protrudes from the faceplate.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, the pushing part pushes the temperature-resistant insulating elastic part to enable the temperature-resistant insulating elastic part to deform under the pushing force, so that the bottom of the second cavity is raised upwards to lift the temperature sensor arranged in the second cavity, and the temperature sensor is tightly attached to the top surface of the first cavity, thereby shortening the heat transfer path of transferring the temperature of the shell to the temperature sensor, reducing the heat transfer time and heat loss, enabling the heat transfer hysteresis to be smaller, enabling the heat loss to be less, and being beneficial to shortening the temperature sensing time of the temperature probe and improving the accuracy of the temperature probe.
It is worth to say that, when the bottom of the second cavity lifts up the temperature sensor due to the pushing force of the pushing piece, the insulating pressing line part which is convexly arranged relative to the inner side wall of the second cavity abuts against and deforms with the lead end of the temperature sensor, so that the temperature sensor is tightly attached to the top surface of the first cavity, the heat transfer path of the shell for transferring the temperature to the temperature sensor is shortened, the leads at the two ends of the temperature sensor cannot exceed the second cavity and contact with the shell due to the lifting of the temperature sensor, the problem of electric leakage of the temperature sensor is effectively solved, and the safety standard is met.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
FIG. 3 is a schematic diagram of the traces of a temperature sensor according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of the traces of a temperature sensor according to another embodiment of the present invention;
FIG. 5 is a schematic view of one embodiment of the present invention mounted to a panel;
FIG. 6 is a schematic view of another embodiment of the present invention mounted to a panel;
in the drawings: 100-shell, 110-first cavity, 120-connecting part, 130-limiting part, 131-sealing filling groove, 200-temperature-resistant insulating elastic part, 210-second cavity, 220-insulating wire pressing part, 230-first wire outlet, 300-temperature sensor, 400-ejector part, 410-ejector part, 420-assembling part, 430-second wire outlet, 500-heat-conducting insulating material and 600-panel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
A low-delay temperature probe according to an embodiment of the present invention is described below with reference to fig. 1 to 6, including:
the shell 100 is provided with a first cavity 110 with a downward opening;
the temperature-resistant insulating elastic piece 200 is provided with a second cavity 210 and an insulating crimping part 220, an opening of the second cavity 210 is arranged upwards, and the insulating crimping part 220 is arranged in a protruding manner relative to the inner side wall of the second cavity 210; the temperature-resistant insulating elastic piece 200 is arranged in the first cavity 110; specifically, the temperature-resistant insulating elastic member 200 may be a bushing made of silicon or plastic and having elasticity. The second cavity 210 may be a circular cavity or a regular polygon cavity, and when the second cavity 210 is a circular cavity or a regular polygon cavity, the insulating crimping portion 220 is an annular boss. The second cavity 210 may also be an elongated cavity, and when the second cavity 210 is an elongated cavity, the insulating crimping portion 220 may be a convex portion disposed at two ends of the elongated cavity.
A temperature sensor 300, wherein the temperature sensor 300 is disposed in the second cavity 210, and a lead end of the temperature sensor 300 is abutted against at least a portion of the insulating crimping portion 220; specifically, the temperature sensor 300 may be a temperature sensor 300 such as a thermocouple sensor, a thermistor sensor, or a resistance temperature detector.
The ejector 400 comprises an ejector part 410 and an assembling part 420, the assembling part 420 is fixedly connected with the outer wall of the casing 100, and the top surface of the ejector part 410 is abutted against the bottom surface of the temperature-resistant insulating elastic member 200 so as to push the temperature sensor 300 to be tightly attached to the top surface of the first cavity 110. The temperature sensor 300 is used to detect the temperature of the housing 100.
Specifically, in the embodiment of the present invention, the assembling portion 420 may be an annular wall surrounding the outer wall of the casing 100, and the pushing portion 410 may be a boss inserted into the first cavity 110 to abut against the temperature-resistant insulating elastic member 200. Certainly, in some embodiments, the pushing portion 410 may also be a flat plate, specifically, if the pushing portion 410 is a flat plate, the bottom surface of the temperature-resistant insulating elastic member 200 penetrates through the first cavity 110, and when the assembling portion 420 is fixedly connected with the housing 100, the flat plate serves as the pushing portion 410 to cover the opening of the first cavity 110 and abut against the temperature-resistant insulating elastic member 200, so that the bottom surface of the temperature-resistant insulating elastic member 200 is retracted to the opening of the first cavity 110, and the pushing temperature sensor 300 is tightly attached to the top surface of the first cavity 110.
In the embodiment of the present invention, the top portion 410 pushes the temperature-resistant insulating elastic member 200, so that the temperature-resistant insulating elastic member 200 is deformed by the pushing force, and the bottom of the second cavity 210 protrudes upward to lift the temperature sensor 300 disposed inside the second cavity 210, so that the temperature sensor 300 is tightly attached to the top surface of the first cavity 110, thereby shortening the heat transfer path of the temperature of the housing 100 transferred to the temperature sensor 300, reducing the heat transfer time and heat loss, making the heat transfer hysteresis smaller, and reducing the heat loss, and being beneficial to shortening the temperature sensing time of the temperature probe and improving the accuracy of the temperature probe.
It should be noted that, when the bottom of the second cavity 210 lifts the temperature sensor 300 by the pushing force of the pushing member 400, the insulating wire pressing portion 220 protruding from the inner sidewall of the second cavity 210 abuts against and deforms the lead end of the temperature sensor 300, so that the temperature sensor 300 is not only tightly attached to the top surface of the first cavity 110, the heat transfer path for transferring the temperature of the housing 100 to the temperature sensor 300 is shortened, but also the leads at the two ends of the temperature sensor 300 do not exceed the second cavity 210 and contact the housing 100 due to the lifting of the temperature sensor 300, thereby effectively solving the problem of electrical leakage of the temperature sensor 300 and meeting the safety regulations.
In another embodiment, the temperature-resistant insulating elastic member 200 is provided with at least two first wire outlet holes 230 arranged at intervals, the wire inlet ends of the first wire outlet holes 230 are communicated to the second cavity 210, a lead wire at one end of the temperature sensor 300 passes through one of the first wire outlet holes 230, and a lead wire at the other end of the temperature sensor 300 passes through the other first wire outlet hole 230.
The first wire outlet holes 230 are arranged at least two intervals, so that the first wire outlet holes 230 are not communicated with each other, a lead at one end of the temperature sensor 300 penetrates out of one first wire outlet hole 230, and a lead at the other end of the temperature sensor 300 penetrates out of the other first wire outlet hole 230, and therefore the situation that the leads at two ends of the temperature sensor 300 are contacted to cause short circuit of the temperature sensor 300 is avoided. The temperature sensor 300 is prevented from having a leakage risk, and the safety standard is met. Specifically, as shown in fig. 3, in the preferred embodiment, the temperature sensor 300 is horizontally disposed in the second cavity 210, the number of the first wire outlets 230 is two, and the distance between the two first wire outlets 230 is greater than or equal to the distance between the lead ends at two sides of the temperature sensor 300, so that the first wire outlets 230 are located at two sides of the temperature sensor 300, and thus the leads at two ends of the temperature sensor 300 can enter the first wire outlets 230 without bending toward the center, thereby further avoiding the technical problem that the ejector 400 pushes the temperature-resistant insulating elastic member 200 to break the leads of the temperature sensor 300.
More specifically, in an embodiment of the present invention, the first wire outlet 230 extends downward from the bottom surface of the second cavity 210, and after the leads at the two ends of the temperature sensor 300 pass through the first wire outlet 230, two heat shrinkable tubes are inserted into the first cavity 110 to cover the leads passing through the first wire outlet 230, and the heat shrinkable tubes are heated and shrunk to cover the leads at the two ends of the temperature sensor 300, so as to achieve an insulating effect. Then set up the through wires hole that supplies the both ends lead wire that the cladding has the pyrocondensation pipe to wear out at casing 100, realize that temperature sensor 300's both ends lead wire wears out the external world, avoid temperature sensor 300's both ends lead wire contact casing 100 and have the electric leakage risk, accord with the safety standard.
It should be noted that, the first wire outlet 230 is disposed in the temperature-resistant insulating elastic member 200, and the temperature-resistant insulating elastic member 200 has an insulating effect, so that a heat shrinkable tube does not need to be sleeved on a lead section penetrating through the first wire outlet 230 for insulation, and only the first wire outlet 230 disposed at an interval needs to be disposed, so that the usage amount of the heat shrinkable tube can be reduced, the assembly is convenient, and the production efficiency is improved. In addition, the larger the aperture of the first outlet hole 230 is, the worse the strength of the heat-resistant insulating elastic member 200 in the vertical direction is, so when the pushing member 400 presses against the heat-resistant insulating elastic member 200, the heat-resistant insulating elastic member 200 is easily compressed and distorted, and it is difficult to transmit the pushing force in the vertical direction to the bottom of the second cavity 210 so as to push the temperature sensor 300 to be tightly attached to the top surface of the first cavity 110, therefore, in order to ensure the strength of the heat-resistant insulating elastic member 200 in the vertical direction, the aperture of the first outlet hole 230 should not be too large. The diameter of the two end leads sleeved with the heat shrink tube is increased, which is not beneficial to the two end leads to penetrate out of the first outlet hole 230. Therefore, in this embodiment, the heat shrink tube is not sleeved in the lead section penetrating through the first wire outlet 230 for insulation processing, which not only meets the safety specification, but also facilitates the assembly of the temperature sensor 300, and can ensure that the temperature sensor 300 can be effectively pressed on the top surface of the first cavity 110 when the ejector 400 is fixed to the housing, thereby ensuring the accuracy of temperature detection, and avoiding the problem of difficult assembly caused by inserting the heat shrink tube into the first wire outlet 230.
In another embodiment, the ejector 400 is provided with at least one second outlet hole 430, and the leads at two ends of the temperature sensor 300 penetrate through the first outlet hole 230 and then are communicated with the outside through the second outlet hole 430.
Specifically, in some embodiments, as shown in fig. 3, the number of the second wire outlet holes 430 is one, and the leads at two ends of the temperature sensor 300 penetrate through the first wire outlet hole 230 and then intensively penetrate through one second wire outlet hole 430 to the outside, so that the number of the second wire outlet holes 430 can be reduced, the ejector 400 can be processed conveniently, and a hole does not need to be formed in the side wall of the housing 100, so as to improve the strength of the housing 100. It should be noted that, after the pushing member 400 pushes the temperature-resistant insulating elastic member 200 and fixes the temperature-resistant insulating elastic member in the first cavity 110, two heat-shrinkable tubes are inserted from the second wire hole 430, and the two heat-shrinkable tubes are sleeved on the two end leads penetrating out from the first wire hole 230 in a one-to-one correspondence manner, so that the two end leads of the temperature sensor 300 are wrapped by the heat-shrinkable tubes, and thus, there is no need to worry about the short-circuit risk existing in the two end leads of the temperature sensor 300 in the same second wire hole 430, so as to meet the safety standard.
In other embodiments, as shown in fig. 4, the number of the second wire outlets 430 is the same as the number of the first wire outlets 230, and the second wire outlets 430 are arranged in a one-to-one correspondence with the first wire outlets 230. Specifically, the first wire outlet hole 230 extends downward from the bottom surface of the second cavity 210, the second wire outlet hole 430 extends downward from the top surface of the ejector 400, and the wire outlet end of the first wire outlet hole 230 is connected to the wire inlet end of the second wire outlet hole 430. Thus, the leads at the two ends of the temperature sensor 300 pass through the first wire outlet 230 and then enter the corresponding second wire outlet 430 to pass through to the outside, and there is no need to form a hole on the side wall of the housing 100, which is beneficial to improving the strength of the housing 100.
Preferably, the assembling portion 420 is in threaded connection with the housing 100, an internal thread is disposed on a portion of the assembling portion 420 higher than the pushing top portion 410, and an external thread matched with the internal thread is disposed on an outer wall of the housing 100.
In this embodiment, the pushing member 400 can slowly push the heat insulation sleeve upwards by using the threaded connection, so that the temperature sensor 300 can slowly cling to the top surface of the first cavity 110, which is beneficial to controlling the movement amount of the temperature sensor 300. The technical problem that the temperature sensor 300 is damaged due to overlarge pressure stress is effectively solved. It should be noted that the assembling portion 420 is provided with an internal thread at a portion higher than the ejector 410, so as to prevent the ejector 410 from obstructing the tapping of the assembling portion 420, and facilitate the formation of the internal thread on the inner wall of the assembling portion 420.
It should be noted that, when the ejector 400 is fixedly connected to the housing 100 by a threaded connection, the number of the second wire holes 430 is one, and the second wire holes 430 are disposed in the middle of the ejector 410. Thus, the second wire holes 430 are disposed in the middle of the pushing part 410, so that the leads at the two ends of the temperature sensor 300 are collected into the same second wire hole 430 and penetrate out of the outside after penetrating out of the two first wire holes 230, thereby preventing the leads at the two ends of the temperature sensor 300 from being twisted when the pushing part 400 rotates, and facilitating the assembly and disassembly of the temperature probe structure.
In another embodiment, the second cavity 210 is filled with a thermally conductive and insulating material 500 in a paste form. It should be noted that, if the thermal conductive insulating material 500 is a liquid, the liquid insulating material may leak from the wire outlet, and there is a technical problem that the thermal conductive insulating material 500 cannot be fixed between the top of the first cavity 110 and the temperature sensor 300, so that the space between the top of the first cavity 110 and the temperature sensor 300 cannot be filled to empty the air between the top of the first cavity 110 and the temperature sensor 300. If the heat conductive insulating material 500 is a solid, since the space between the top of the first cavity 110 and the temperature sensor 300 is changed when the pushing member 400 pushes the temperature-resistant insulating elastic member 200, the solid heat conductive insulating material 500 is difficult to fill the space between the top of the first cavity 110 and the temperature sensor 300, and cannot exhaust the air between the top of the first cavity 110 and the temperature sensor 300.
In this embodiment, the paste-shaped heat conductive insulating material 500 is used, when the pushing member 400 pushes the temperature-resistant insulating elastic member 200 upwards, the paste-shaped heat conductive insulating material 500 flows under pressure, the temperature sensor 300 is covered by the second cavity 210, and the air at the top of the first cavity 110 and the air inside the second cavity 210 are removed, so as to prevent the air from reducing the accuracy of the temperature sensor 300. The shape of the heat-conducting insulating material 500 is changed along with the change of the space between the top of the first cavity 110 and the temperature sensor 300, the air at the top of the first cavity 110 and the inside of the second cavity 210 can be exhausted, and the temperature sensor 300 is coated by the heat-conducting insulating material 500, so that the accuracy of the temperature sensor 300 is ensured. More specifically, in a preferred embodiment of the present invention, the thermally conductive and insulating material 500 in the form of a paste is thermally conductive silicone grease.
In another embodiment, the housing 100 further includes a connecting portion 120 and a position-limiting portion 130, the position-limiting portion 130 is protruded relative to an outer sidewall of the connecting portion 120, and the position-limiting portion 130 is used for limiting the connecting portion 120 to move up and down. For better describing the technical solution, the embodiment of the temperature probe structure mounted on the panel 600 of the electromagnetic cooking apparatus is taken as an illustration, but it is not understood and limited that the temperature probe structure can only be mounted on the panel 600 of the electromagnetic cooking apparatus. Specifically, the panel 600 is provided with a mounting hole, the connecting portion 120 is used for being fixedly connected with the mounting hole in a penetrating manner, and the limiting portion 130 abuts against the top surface or the bottom surface of the panel 600. The connecting portion 120 is a portion inserted into the mounting hole of the panel 600 and an extending portion thereof, and taking the structure shown in fig. 5 and 6 as an example, a portion between two dotted lines is the connecting portion 120, and a portion other than the two dotted lines is the stopper portion 130. It should be noted that, when the position-limiting portion 130 abuts against the bottom surface of the panel 600 to prevent the pot from colliding and damaging the position-limiting portion 130, the position-limiting portion 130 may abut against and be fixed on the bottom surface of the panel 600 by an adhesive method, so that the position-limiting portion 130 can still limit the connecting portion 120 from moving up and down. More specifically, in the preferred embodiment of the present invention, the position-limiting part 130 is circumferentially disposed on the outer wall of the connecting part 120, and the first cavity 110 is disposed in the connecting part 120.
In another embodiment, the position-limiting surface of the position-limiting portion 130 is formed with a sealing filling groove 131, and the sealing filling groove 131 is used for filling a sealing material. It should be noted that the limiting surface is a surface where the limiting portion 130 abuts against the panel 600, for example, when the limiting portion 130 abuts against the top surface of the panel 600, the limiting surface is a bottom surface of the limiting portion 130; when the position-limiting portion 130 abuts against the bottom surface of the panel 600, the position-limiting surface is the top surface of the position-limiting portion 130. By opening the sealing filling groove 131 on the limiting surface of the limiting portion 130, a sealing material, specifically, a sealing ring or a sealing gasket, can be filled in the sealing filling groove 131, so as to prevent water drops falling to the panel during cooking from flowing into the cooking appliance from the gap between the mounting hole and the connecting portion 120, and damage to the internal circuit is prevented. More preferably, sealing material chooses the sealed material of silicone for use, not only can play the bonding effect to realize the bonding between spacing portion 130 and the panel, can also play waterproof leak protection's effect, prevent to drop to the water droplet of panel in the culinary art process and flow into to cooking utensil's inside from the clearance between mounting hole and the connecting portion 120, cause the internal circuit to damage.
In another embodiment, the assembling portion 420 is fixedly connected to the housing 100 by a snap connection, an interference connection, or an adhesive connection. Thus, the pushing portion 410 is fixedly abutted against the bottom of the temperature-resistant insulating elastic member 200 to push the temperature sensor 300 to be closely attached to the top surface of the first cavity 110, so as to prevent the temperature sensor 300 from being reset due to the backward movement of the pushing member 400 caused by the reaction force. So as to ensure that the ejector 400 can shorten the heat transfer path for transferring the temperature of the casing 100 to the temperature sensor 300, reduce the heat transfer time and heat loss, reduce the heat transfer lag, reduce the heat loss, shorten the temperature sensing time of the temperature probe, and improve the accuracy of the temperature probe.
The invention also discloses an electromagnetic cooking appliance, which comprises the low-delay temperature probe and the panel 600 of any one of the embodiments, wherein the panel 600 is provided with at least three mounting holes which are arranged in a non-linear manner, the shell 100 is mounted in the mounting holes, and at least part of the shell 100 is protruded from the panel 600.
Specifically, in some embodiments, the panel 600 is provided with at least three mounting holes in a non-linear arrangement along a vertical direction, the housing 100 is mounted in each of the mounting holes, and at least a portion of the housing 100 protrudes from an upper surface of the panel 600. When the pot is placed on the panel 600, the pot is jacked up on the panel 600 by the shell 100 because the shell 100 is raised on the panel, so that the pot is suspended above the panel 600; preferably, according to the principle that three points define a plane, the number of the housings 100 is at least three or more, and the plurality of housings 100 are arranged in a non-linear manner to stably support the cookware, so that at least three mounting holes arranged in a non-linear manner need to be formed in the panel 600, and specifically, at least three mounting holes arranged in a non-linear manner means that all the mounting holes are not arranged in the same line. Specifically, for more stable contact heat conduction and support with the cookware, the mounting holes may be arranged on three vertexes of a triangle or in a shape like a circular ring or the like according to the shape of the cookware. Therefore, the shell 100 can be directly contacted with the cookware, the heat conduction path is further shortened, the temperature probe with low delay can directly detect the temperature data of the cookware, the error of the detected data is smaller, and the temperature measurement hysteresis of the temperature probe structure is reduced. In addition, the cooker is supported by the casing 100, so that heat transfer of the cooker to the panel 600 can be reduced, and the panel 600 can be made of borosilicate glass, so that the cost can be effectively reduced compared with the traditional microcrystal panel electromagnetic cooking appliance; in addition, after heat is transmitted to the panel 600, the heat is transmitted to the inside of the electromagnetic cooking appliance from the panel 600, so that the temperature of the inside of the electromagnetic cooking appliance is lower in the cooking process, and the heat radiation burden of the electromagnetic cooking appliance is reduced.
The electromagnetic cooking device may be an electromagnetic cooking device that uses electromagnetic heating, such as an induction cooker or an IH rice cooker.
Because this electromagnetism cooking utensil has adopted the whole technical scheme of all embodiments of above-mentioned temperature probe structure, consequently at least be equipped with all beneficial effects that the technical scheme of above-mentioned embodiment brought, no longer repeated description here.
Other configurations and operations of a low-delay temperature probe and an electromagnetic cooking apparatus using the same according to an embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A low-delay temperature probe, comprising:
the shell is provided with a first cavity with a downward opening;
the temperature-resistant insulating elastic piece is provided with a second cavity and an insulating line pressing part, the opening of the second cavity is arranged upwards, and the insulating line pressing part is arranged in a protruding manner relative to the inner side wall of the second cavity; the temperature-resistant insulating elastic piece is arranged in the first cavity;
the temperature sensor is arranged in the second cavity, and the lead end of the temperature sensor is abutted against at least part of the insulating crimping part;
the pushing piece comprises a pushing part and an assembling part, the assembling part is fixedly connected with the outer wall of the shell, and the top surface of the pushing part is abutted against the bottom surface of the temperature-resistant insulating elastic piece so as to push the temperature sensor to be tightly attached to the top surface of the first cavity.
2. A low latency temperature probe according to claim 1, wherein: the temperature-resistant insulating elastic piece is provided with at least two first wire outlet holes arranged at intervals, the wire inlet ends of the first wire outlet holes are communicated with the second cavity, a lead at one end of the temperature sensor penetrates out of one first wire outlet hole, and a lead at the other end of the temperature sensor penetrates out of the other first wire outlet hole.
3. A low latency temperature probe according to claim 2, wherein: the ejector is provided with at least one second wire outlet hole, and leads at two ends of the temperature sensor penetrate out of the first wire outlet hole and then are communicated to the outside from the second wire outlet hole.
4. A low latency temperature probe according to claim 3, wherein: the assembling portion is in threaded connection with the shell, an inner thread is arranged on the portion, higher than the ejector portion, of the assembling portion, and an outer thread matched with the inner thread is arranged on the outer wall of the shell.
5. A low latency temperature probe according to claim 4, wherein: the number of the second wire outlet holes is one, and the second wire outlet holes are formed in the middle of the push top.
6. A low latency temperature probe according to claim 1, wherein: and the second cavity is filled with a paste-shaped heat-conducting insulating material.
7. A low latency temperature probe according to claim 1, wherein: the shell further comprises a connecting portion and a limiting portion, the limiting portion is arranged in a protruding mode relative to the outer side wall of the connecting portion, and the limiting portion is used for limiting the connecting portion to move up and down.
8. A low latency temperature probe according to claim 7, wherein: and a sealing filling groove is formed in the limiting surface of the limiting part and is used for filling sealing materials.
9. A low latency temperature probe according to claim 1, wherein: the assembling part is fixedly connected with the shell in a buckling connection mode, an interference connection mode or a bonding mode.
10. An electromagnetic cooking appliance comprising a low-delay temperature probe according to any one of claims 1 to 9 and a faceplate, said faceplate defining at least three non-linearly arranged mounting holes, said housing being mounted to said mounting holes and at least a portion of said housing protruding above said faceplate.
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| CN202111057757.0A CN113758585A (en) | 2021-09-09 | 2021-09-09 | Low-delay temperature probe and electromagnetic cooking appliance applying same |
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| CN202111057757.0A CN113758585A (en) | 2021-09-09 | 2021-09-09 | Low-delay temperature probe and electromagnetic cooking appliance applying same |
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| CN113758585A true CN113758585A (en) | 2021-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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