CN217952380U

CN217952380U - Quick temperature sensing panel and electromagnetic cooking utensil using same

Info

Publication number: CN217952380U
Application number: CN202221860101.2U
Authority: CN
Inventors: 李敏
Original assignee: Guangdong Shunde Jingwei Glass Products Co ltd
Current assignee: Guangdong Shunde Jingwei Glass Products Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-02
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a quick temperature sensing panel and use its electromagnetism cooking utensil, including panel body, temperature sensor and bottom, the panel body has a plurality of non-through holes that set up from the top down, temperature sensor is a plurality of, temperature sensor installs in each non-through hole one-to-one, the bottom of non-through hole set up with temperature sensor's wire one-to-one first through wires hole; the non-through hole is filled with a heat-conducting medium; the bottom cover is arranged on the bottom surface of the panel body and covers the bottom of the non-through hole. The utility model has the advantage of sensitive temperature sensing.

Description

Quick temperature sensing panel and use its electromagnetism cooking utensil

Technical Field

The utility model relates to an electromagnetism cooking utensil technical field especially relates to a quick temperature sensing panel and use its electromagnetism cooking utensil.

Background

Since the electromagnetic heating technology is applied to the cooking industry, temperature control is always a big problem, and the main electromagnetic oven has the following two structures:

the first structure is as follows: the cooker, the microcrystal panel (about 4 mm) and the sensor component (comprising a shell, an insulating layer and a sensor are sequentially arranged from top to bottom, and the sensor is positioned at the center of the coil panel). Because the micrite panel is flat structure, and the sensor subassembly hugs closely in the bottom surface of micrite panel, the characteristics of this kind of structure are that temperature sensor is too far away from between the pan, and the temperature of pan needs to be conducted the micrite panel of 4mm thick earlier, makes the micrite panel generate heat, then by micrite panel with heat conduction to sensor, consequently has the slow problem of heat conduction. In normal household cooking, the heating temperature generally required does not exceed 280 ℃, but because the temperature cannot be rapidly sensed, a pot which is thin may be burnt red, but the temperature cannot be sensed by the sensor. The results from this phenomenon are as follows: 1. potential safety hazards, severe lagging temperature sensing, can cause the oil to reach the ignition point when the amount of oil is small, causing a fire; 2. too high oil temperature produces large amounts of aromatic hydrocarbons, which are severely carcinogenic. 3. The Chinese dish is cooked and has poor taste.

The second structure is as follows: the hole is formed in the center position of the microcrystalline glass relative to the coil panel, the temperature sensor component is in direct contact with the cooker, and the sensor component comprises a shell, an insulating layer and a sensor. The shell of the sensor is generally made of metal, when a pot is placed on the top of the sensor, the metal shell can generate heat in an alternating magnetic field (all metal can generate heat under the pot of the induction cooker, and the closer the metal is to the pot, the faster the metal is generated), so that the temperature sensing of the sensor is inaccurate; in addition, according to the requirements of safety regulations, an insulating layer is required below the shell of the sensor, engineering plastics which can resist the temperature of about 350 ℃ are generally adopted, and the thermal conductivity is poor. The biggest defect of the structure is that the shell can generate heat to continuously accumulate heat, and in addition, the temperature of the cookware cannot be really judged due to the heating of the shell, so that the breakthrough of the temperature sensing technology cannot be realized. Meanwhile, the water resistance and the aging resistance also need to pay extra cost.

Both of the above structures also have the following common disadvantages: in order to ensure that the sensor does not leak electricity, the outer shell is required to be arranged outside the sensor, so that the size of the sensor assembly is large, a special assembly position needs to be designed on the coil panel, and the heat generation efficiency of the coil panel is considered, so that the sensor assembly is usually required to be designed in the center of the coil panel. The heat generated by electromagnetism is mainly concentrated on a circular ring with the diameter of about 90mm, so that the sensor is too far away from the high-temperature area, and the temperature cannot be accurately fed back. Almost all induction cooker manufacturers need to use their own induction cookers to perform different pot heating experiments, record temperature change curves, compare the temperature change curves with the recorded curves when users use the induction cookers, and evaluate the heating conditions of pots. However, in the actual use process, the quality of the cooker, the type of the cooker and the change of food materials are unpredictable, so that the induction cooker cannot become a mainstream cooking tool and is mainly used for boiling water, making chafing dishes, cooking porridge and the like. In the aspect of panel use, because accurate temperature sensing cannot be carried out, microcrystalline glass with higher temperature resistance is needed to reduce the risk of overhigh heat generation, so that the panel cost of the induction cooker is high; in addition, because the temperature of the panel is high, the coil is required to be kept at a certain distance from the panel when the coil is arranged, so as to avoid damage to the coil caused by overhigh temperature of the panel. In addition, because the panel temperature is high, when the coil is arranged, a certain gap is required to be kept between the coil and the panel so as to avoid damage to the coil caused by the overhigh panel temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick temperature sensing panel and use its electromagnetism cooking utensil to solve above-mentioned problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a rapid temperature sensing panel comprises a panel body, a plurality of temperature sensors and a bottom cover, wherein the panel body is provided with a plurality of non-through holes which are formed from top to bottom, the temperature sensors are arranged in the non-through holes in a one-to-one correspondence manner, and the bottoms of the non-through holes are provided with first threading holes which are in one-to-one correspondence with wires of the temperature sensors; the non-through hole is filled with a heat-conducting medium; the bottom cover is arranged on the bottom surface of the panel body and covers the bottom of the non-through hole.

Preferably, the temperature sensor abuts against a bottom of the non-through hole.

Preferably, the top of the heat transfer medium is not lower than the top surface of the panel body.

Preferably, the bottom cover is provided with second threading holes corresponding to the first threading holes one to one.

Preferably, the temperature sensor further comprises a plurality of conductive cylinders, the conductive cylinders are fixed in the second threading holes in a one-to-one correspondence manner, and the conductive cylinders are electrically connected with and relatively fixed to the lead of the temperature sensor.

Preferably, the heat conducting medium is one or more of heat conducting silicone grease or temperature resistant glue.

An electromagnetic cooking utensil uses the rapid temperature sensing panel.

The utility model discloses a beneficial effect of one of them embodiment is:

1. the temperature sensor is arranged in the non-through hole of the panel body, so that the temperature sensor can detect the temperature of the cookware more sensitively and accurately;

2. the bottom cover is arranged on the bottom surface of the panel body, so that the panel body can be reinforced, and the safety is improved;

3. the temperature sensor can also play an insulating role without additionally installing a shell and can meet the requirement of safety regulations, so that the volume of the temperature sensor is much smaller than that of a temperature sensing device of the traditional electromagnetic cooking appliance, the temperature sensor is almost completely embedded into a non-through hole of a panel body, only two connecting wires penetrate out, no space is required to be reserved for installing the temperature sensor in the electromagnetic cooking appliance, the structure is more compact, and the temperature sensor is more flexibly and freely assembled;

4. because can quick temperature sensing, reduced the temperature resistant demand of panel body, can replace with borosilicate glass, fire-retardant engineering plastics, it also becomes possible even in the future with soda-lime glass as the panel body of electromagnetism stove, can reduce manufacturing cost by a wide margin.

Drawings

The accompanying drawings are used for further explaining the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.

Fig. 1 is a schematic view of an installation structure of a temperature sensor according to an embodiment of the present invention;

fig. 2 is a schematic top view of one embodiment of the present invention;

fig. 3 is a schematic bottom view of one embodiment of the present invention;

fig. 4 is a schematic view of the installation structure of the temperature sensor according to another embodiment of the present invention;

fig. 5 is a schematic view of an installation structure of a temperature sensor according to another embodiment of the present invention;

in the drawings: 1-panel body, 11-non-through hole, 12-first threading hole, 2-temperature sensor, 3-bottom cover, 31-second threading hole, 4-heat-conducting medium and 5-conductive cylinder.

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 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more, and "a plurality" means one or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 5, the rapid temperature sensing panel of this embodiment includes a panel body 1, a plurality of temperature sensors 2, and a bottom cover 3, where the panel body 1 has a plurality of non-through holes 11 formed from top to bottom, the temperature sensors 2 are a plurality of, the temperature sensors 2 are installed in the non-through holes 11 in a one-to-one correspondence manner, and the bottoms of the non-through holes 11 are provided with first threading holes 12 corresponding to wires of the temperature sensors 2 one-to-one; the non-through hole 11 is filled with a heat-conducting medium 4; the bottom cover 3 is disposed on the bottom surface of the panel body 1 and covers the bottom of the non-through hole 11.

The utility model discloses a set up a plurality of non-through hole 11 on panel body 1 to install temperature sensor 2 in non-through hole 11, consequently can make the distance that greatly reduces the top surface of temperature sensor 2 and panel body 1, thereby make temperature sensor 2 be close to the pan more, understandably, the distance between temperature sensor 2 and the pan is less, then temperature sensor 2 then can be more fast the perception to the temperature of pan.

The heat-conducting medium 4 is filled in the non-through hole 11, and because the heat-conducting performance of air is extremely poor, if the temperature sensor 2 is only installed in the non-through hole 11, when the temperature of the inner wall of the non-through hole 11 is high, but the non-through hole 11 is filled with air, the heat of the panel body 1 is difficult to transfer to the temperature sensor 2, and the problem that the temperature sensed by the temperature sensor 2 is greatly different from the actual temperature of the pot still exists; the utility model discloses a pack heat-conducting medium 4 in non-through hole 11, heat-conducting medium 4 is all filled up with the gap between temperature sensor 2 and the non-through hole 11, thereby make almost not have the air between temperature sensor 2 and the non-through hole 11, when the temperature-transfer of pan to panel body 1, panel body 1 is with heat transfer to heat-conducting medium 4 through the inner wall of non-through hole 11, heat-conducting medium 4 can be rapidly with heat transfer to temperature sensor 2, thereby make the whole intensification of temperature sensor 2, thereby realize the effect of quick temperature sensing. In addition, the heat conducting medium 4 not only plays a role in filling gaps between the temperature sensor 2 and the non-through hole 11, but also plays a role in packaging the temperature sensor 2, so that the temperature sensor 2 is prevented from being exposed outside to cause safety risks, the temperature sensor 2 is protected from being damaged by external force, meanwhile, the non-through hole 11 is sealed, and short circuit caused by the fact that soup and porridge permeate into the non-through hole 11 is prevented.

In addition, because the panel body 1 is provided with the plurality of non-through holes 11, the strength of the panel body 1 is reduced, and when the panel body 1 is impacted, the positions provided with the non-through holes 11 are easy to crack; the utility model discloses paste bottom 3 in the bottom surface of panel body 1, and bottom 3 covers whole non-through hole 11, therefore bottom 3 can play the effect of strengthening panel body 1, when the top surface of panel body 1 received the impact, the impact force that panel body 1 received can transmit a part to bottom 3 to reduce the cracked risk of panel body 1; therefore, the panel body 1 of the present invention can have sufficient strength to withstand the impact of the pot even if it is provided with the plurality of non-through holes 11.

The temperature sensor 2 is arranged in the non-through hole 11, and the panel body 1 and the heat-conducting medium 4 are both insulated, so that the temperature sensor 2 of the utility model can also play an insulating role without additionally arranging a shell, and can meet the requirement of safety regulations; because it is not necessary to set up insulating shell in temperature sensor 2's outside, consequently make temperature sensor 2's volume compare in traditional electromagnetic cooking utensil's temperature sensing device to be littleer, temperature sensor 2 is embedded into in the non-through hole 11 of panel body 1 completely, only two connecting wire wear out, need not in the electromagnetic cooking utensil for temperature sensor 2's installation reserved space, the structure is compacter, temperature sensor 2's assembly is nimble more free, can conveniently set up a plurality of temperature sensor 2 in order to detect out the temperature in each region of pan accurately.

The utility model discloses a quick temperature sensing, free assembly: the temperature sensing speed reaches more than ten times of the traditional temperature sensing speed, a special installation space is not required to be provided by a coil panel, and a plurality of sensors can be assembled at extremely low cost. Simultaneously, owing to can quick temperature sensing, let the electromagnetism stove possess the basis that realizes intelligent culinary art, reduced glass panels body 1's temperature resistant demand, can replace with borosilicate glass, fire-retardant engineering plastics, it is also possible as the panel body 1 of electromagnetism stove even with soda-lime glass in the future. The advantages can fully exert the characteristic of high energy conversion efficiency of the induction cooker, greatly reduce the manufacturing cost, improve the assembly efficiency and expand the application range of the induction cooker. After the borosilicate glass and the soda-lime glass are tempered, the physical impact resistance strength of the borosilicate glass and the soda-lime glass is far higher than that of microcrystalline glass, and the safety of the induction cooker is greatly improved under the condition that the temperature resistance requirement is reduced.

Further, as an embodiment, the temperature sensor 2 abuts against the bottom of the non-through hole 11.

Compare in the through-hole, non-through hole 11 plays the supporting role to temperature sensor 2 and heat-conducting medium 4 through offseting with temperature sensor 2, avoids when the pan compresses tightly heat-conducting medium 4, and heat-conducting medium 4 falls out with temperature sensor 2 from the bottom of panel body 1. Moreover, temperature sensor 2 offsets with the bottom of non-through hole 11, can also play the effect of fixing a position temperature sensor 2, when the installation, only need with temperature sensor 2 install the bottom of non-through hole 11 can, temperature sensor 2 is controlled more easily in the position of non-through hole 11, avoid the temperature sensor 2 of every product all inequality in the position of non-through hole 11 and then lead to the temperature sensing speed of every product all inequality problem, through offsetting the bottom of temperature sensor 2 with non-through hole 11 can control the quality of product better.

Further, as an embodiment, the top of the heat conducting medium 4 is not lower than the top surface of the panel body 1.

When panel body 1 is placed to the pan, can make heat-conducting medium 4 can the direct contact pan, thereby make the temperature of pan can direct transmission to heat-conducting medium 4, by the vertical downward transmission of heat-conducting medium 4 to temperature sensor 2, can further improve the speed of temperature sensing like this, if the top of heat-conducting medium 4 is less than the top surface of panel body 1, then can lead to when the pan is placed on panel body 1, still can have the one deck air between pan and the heat-conducting medium 4, the air is hot bad conductor, therefore the unable direct transmission of the temperature of pan to heat-conducting medium 4, need be through panel body 1 with heat transfer to heat-conducting medium 4, be unfavorable for quick temperature sensing. As one embodiment, as shown in fig. 1, the top of the heat conducting medium 4 is flush with the top surface of the panel body 1; as another embodiment, as shown in fig. 4, the top of the heat transfer medium 4 is higher than the top surface of the panel body 1.

Further, as an embodiment, the bottom cover 3 is provided with second threading holes 31 corresponding to the first threading holes 12 one to one.

The second wire passing hole 31 is provided in the bottom cover 3, so that the lead wires of the temperature sensor 2 in the non-through hole 11 can be led out of the bottom cover 3, and the temperature sensor 2 can be electrically connected to other electrical components.

Further, as an embodiment, as shown in fig. 5, the temperature sensor further includes a plurality of conductive cylinders 5, the conductive cylinders 5 are fixed in the second threading holes 31 in a one-to-one correspondence manner, and the conductive cylinders 5 are electrically connected with and relatively fixed to the wires of the temperature sensor 2.

After the temperature sensor 2 is installed in the non-through hole 11 in the panel body 1, the wire of the temperature sensor 2 penetrates out of the threading hole of the bottom cover 3 and then needs to be electrically connected with the wiring terminal, the temperature sensor 2 is connected to a circuit board of the electromagnetic cooking appliance through the wiring terminal, the wire of the temperature sensor 2 can penetrate into the corresponding conductive cylinder 5 and is electrically connected with the conductive cylinder 5, and the wire of the wiring terminal can also be inserted into the conductive cylinder 5 and is electrically connected with the wire of the temperature sensor 2; after the temperature sensor 2 is electrically connected and relatively fixed with the conductive cylinder 5, the non-through hole 11 is filled with the heat-conducting medium 4, and at the moment, the lead of the temperature sensor 2 is fixed with respect to the conductive cylinder 5, so that the temperature sensor 2 cannot move in the non-through hole 11 due to the stress of the lead before the heat-conducting medium 4 is cured. In addition, because the side walls of the conductive cylinder 5 are all conductive, the contact area between the wires of the temperature sensor 2 and the conductive cylinder 5 can be larger, and the problem of poor contact is not easy to occur.

Further, the heat conducting medium 4 is temperature-resistant glue or a combination of the temperature-resistant glue and heat conducting grease.

The heat conducting medium 4 includes, but is not limited to, a temperature-resistant glue or a combination of a temperature-resistant glue and a heat conducting grease, wherein the temperature-resistant glue refers to a glue adapted to the application temperature of the product, and includes, but is not limited to, silicone glue and ceramic glue. For example, an induction cooker, when the upper limit of the temperature is 350 ℃ in the using process, the glue which can resist the temperature of more than 350 ℃ is selected; in another use scenario, for example, a chopping board is heated, the upper limit of the temperature in the use process is 60 ℃, and then glue capable of resisting the temperature of more than 60 ℃ is selected. Of course, the bottom of the non-through hole may be filled with a heat conducting grease, and the top of the non-through hole is sealed with a temperature-resistant adhesive.

An electromagnetic cooking appliance uses the rapid temperature sensing panel. Electromagnetic cooking appliances include, but are not limited to, induction cookers, IH rice cookers, and kitchen warming plates.

In the description of the present specification, reference to the terms "example," "one embodiment," "certain embodiments," "illustrative embodiments," "example," "specific example," or "some examples" or the like means 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, schematic representations of the above terms 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.

The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and is not to be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. A rapid temperature sensing panel is characterized by comprising a panel body, a plurality of temperature sensors and a bottom cover, wherein the panel body is provided with a plurality of non-through holes which are formed from top to bottom; the non-through hole is filled with a heat-conducting medium; the bottom cover is arranged on the bottom surface of the panel body and covers the bottom of the non-through hole.

2. The rapid temperature-sensing panel according to claim 1, wherein the temperature sensor abuts against a bottom of the non-through hole.

3. The rapid temperature-sensing panel according to claim 1, wherein the top of the heat-conducting medium is not lower than the top surface of the panel body.

4. The rapid temperature-sensing panel according to claim 1, wherein the bottom cover is provided with second threading holes corresponding to the first threading holes one to one.

5. The rapid temperature sensing panel according to claim 4, further comprising a plurality of conductive tubes, wherein the conductive tubes are fixed in the second threading holes in a one-to-one correspondence, and the conductive tubes are electrically connected and relatively fixed with the wires of the temperature sensor.

6. The rapid temperature-sensing panel according to claim 1, wherein the heat-conducting medium is one or more of heat-conducting silicone grease or temperature-resistant glue.

7. An electromagnetic cooking appliance, characterized in that a rapid temperature-sensing panel according to any one of claims 1-6 is used.