CN107854000A - A kind of Electromagnetic Heating utensil - Google Patents

Abstract

The invention provides an electromagnetic heating appliance. An electromagnetic heating appliance, comprising a base and a container part arranged on the base, wherein, the base is provided with an electromagnetic heating coil and a control main board, the electromagnetic heating coil is electrically connected with the control main board, and the bottom of the container part is provided with an electromagnetic heating coil that cooperates with the electromagnetic heating coil. The electromagnetic heating element, the bottom wall of the container part is provided with a temperature-sensing probe that is close to the bottom wall, and the position corresponding to the temperature-sensing probe is provided on the bottom wall of the container part with an upper core electrical connection connected to the two poles of the temperature-sensing probe The top of the base corresponds to the position of the electromagnetic heating coil, and a lower core electrical connector matched with the upper core electrical connector is provided, and the lower core electrical connector is electrically connected to the control main board. The invention can make the ingredients in the container part be heated evenly, and can ensure accurate temperature monitoring of the ingredients in the container part.

Description

An electromagnetic heating appliance

technical field

The present invention relates to the technical field of small household appliances, and more specifically, relates to an electromagnetic heating appliance.

Background technique

At present, most of the health pots on the market are heated by heating plate electric heating, that is, a metal electric heating plate is installed at the bottom of the container part, and the ingredients in the container part are heated by the heat generated by the metal electric heating plate. However, this method makes the bottom of the container part have some charged components, and the heating of the metal electric heating plate is not very uniform. Devices, so the container part cannot be directly immersed in water for cleaning, which brings great inconvenience to the cleaning of the container part. In addition, when the health pot is used, it is necessary to monitor the temperature of the ingredients inside the container in real time. In the prior art, a temperature probe is installed on the metal electric heating plate to monitor the temperature inside the container. This method actually monitors the metal electric heating plate. Due to its own heating, the temperature of the metal electric heating plate is actually higher than the temperature of the ingredients in the container, which causes a certain error in monitoring the temperature of the ingredients in the container, which affects the optimal temperature of the ingredients. cook.

Contents of the invention

The present invention provides an electromagnetic heating appliance to overcome at least one defect of the above-mentioned prior art. The present invention adopts electromagnetic heating, and a temperature probe is arranged at a position greater than the maximum electromagnetic induction distance of electromagnetic heating, so that the food in the container part is heated evenly, and the temperature monitoring of the food in the container part can be ensured accurately.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: an electromagnetic heating appliance, including a base and a container part arranged on the base, wherein, an electromagnetic heating coil and a control main board are arranged in the base, and the electromagnetic heating The coil is electrically connected to the control mainboard, the bottom of the container part is provided with an electromagnetic heating element that cooperates with the electromagnetic heating coil, and the bottom wall of the container part is provided with a temperature sensing probe that is close to the bottom wall. The position corresponding to the temperature-sensing probe on the bottom wall of the container part is provided with an upper core electrical connector connected to the two poles of the temperature-sensing probe, and the top of the base is provided at a position corresponding to the electromagnetic heating coil. A lower core electrical connector matched with the upper core electrical connector, the lower core electrical connector is electrically connected to the control main board. The container part is detachably arranged on the base through the cooperation of the upper core electrical connector and the lower core electrical connector. When using the electromagnetic heating appliance to cook food, the control board controls the electromagnetic heating coil to work to generate a magnetic field, and the electromagnetic heating at the bottom of the container part Under the action of electromagnetic induction, the whole body heats up rapidly by itself to cook the ingredients in the container part. Like this, just do not have any electrified components and parts on the whole container part, when cleaning the container part, just can immerse the whole container part in water to clean, and cleaning is convenient and thorough. The temperature sensing probe on the bottom wall of the container part transmits the detected temperature value back to the control board, so as to control the temperature of the cooking material.

Further, the bottom wall of the container part is provided with a groove that is recessed to the inside of the container part, and the distance between the bottom wall of the groove and the electromagnetic heating coil is greater than that between the electromagnetic heating element and the electromagnetic heating coil. The coil matches the maximum magnetic induction distance for heat generation, the temperature sensing probe is arranged on the bottom wall of the groove, and the upper core electrical connector is arranged in the groove. Since the temperature-sensing probe is in close contact with the bottom wall of the groove, and the distance between the bottom wall of the groove and the electromagnetic heating coil is greater than the maximum magnetic induction distance between the electromagnetic heating element and the electromagnetic heating coil for heating, this is The temperature detected by the temperature-sensing probe is not affected by the self-heating of the electromagnetic heating element, so that it is closer to the real temperature of the food in the container, and the temperature control of the cooking of the food is more accurate.

In the present invention, the structure of the container part includes the following two forms: the first form is that the container part includes a container wall and a metal plate connected to the bottom of the container wall, and the connection between the container wall and the metal plate In this form, the metal plate is an electromagnetic heating element, and the groove is arranged on the metal plate.

Further, in the form above, the upper-core electrical connector is a two-core electrical connector, and one end of the first core I and the second core II of the upper-core electrical connector are respectively connected to the temperature-sensing probe The two-pole connection of the lower core electrical connector is a three-core electrical connector, and one end of the first core A and the second core B of the lower core electrical connector is electrically connected to the lower core at the upper core electrical connector When mated with the connector, they are respectively in contact with the other ends of the first core I and the second core II of the upper core electrical connector, and the other ends of the first core A and the second core B of the lower core electrical connector are in contact with the When the upper core electrical connector is matched with the lower core electrical connector, one end of the third core C of the lower core electrical connector is in contact with the side wall of the groove, and the third core C The other end of C is grounded through the control board. In this way, the detection of the temperature of the food material in the container part by the temperature-sensing probe is realized, and the grounding of the metal plate at the bottom of the container part is realized, thereby ensuring the safety of the user.

The second form is that the container part is an integrally formed glass container, and the inner wall of the bottom of the container part is provided with a metal coating, and the metal coating is an electromagnetic heating element. In this form, the metal coating cooperates with the electromagnetic heating coil to heat itself to heat the food in the container portion.

In the present invention, the top of the container part is provided with a cover, the cover includes a large cover and a small cover, the large cover is provided with a circular through hole, and the small cover is closed on the circular through hole .

Further, a stew pot or a tea basket can also be set on the lid, the stew pot or tea basket is placed in the circular through hole, and the small lid is closed on the stew pot or tea basket.

Further, a cooling fan is provided under the electromagnetic heating coil, an air inlet is provided at the bottom of the base corresponding to the cooling fan, and an air outlet is provided on the side wall of the base. The cooling fan draws the cold air from the outside into the base, then takes away the heat around the electromagnetic heating coil, and finally discharges it through the air outlet to realize heat dissipation inside the base.

Further, the top surface of the base is made of non-metallic material, so as not to affect the normal operation of the electromagnetic heating element at the bottom of the container part.

Further, the side of the container part is provided with a handle, which is convenient for the user to take the container part.

Compared with prior art, the beneficial effect of the present invention:

In the present invention, an electromagnetic heating coil is arranged in the base, and an electromagnetic heating element is arranged at the bottom of the container part. The electromagnetic heating element cooperates with the electromagnetic heating coil. The ingredients in the part are heated more evenly, and it is not easy to have a sticky bottom; and this also makes the whole container part free of any charged components. When cleaning the container part, the whole container part can be immersed in water for cleaning, which is convenient and convenient thorough.

In the present invention, a groove that is sunken to the inside of the container part is arranged at the bottom of the container part, and the temperature sensing probe is arranged on the bottom wall of the groove, and the distance between the bottom wall of the groove and the electromagnetic heating coil is greater than the The electromagnetic heating element cooperates with the electromagnetic heating coil to generate the maximum magnetic induction distance, which makes the temperature detected by the temperature sensing probe not affected by the self-heating of the electromagnetic heating element, thereby being closer to the real temperature of the food in the container, making the food Cooking temperature control is more accurate.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the overall explosion when the lid of the present invention is provided with a stew pot.

Fig. 3 is an overall explosion schematic diagram when the lid of the present invention is provided with a tea basket.

Fig. 4 is a schematic structural view of the container part of the present invention.

Fig. 5 is a structural schematic diagram of the base of the present invention.

Fig. 6 is a schematic view of the internal structure of the base of the present invention.

Fig. 7 is a longitudinal sectional view of the container portion of the present invention.

Fig. 8 is a partial enlarged view of A in Fig. 7 .

Fig. 9 is a longitudinal sectional view of the base of the present invention.

Fig. 10 is a schematic diagram of the top structure of the upper core electrical connector of the present invention.

Detailed ways

The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

Example 1

As shown in Fig. 1 to Fig. 4 and Fig. 6, an electromagnetic heating appliance includes a base 1 and a container part 2 arranged on the base 1, wherein the base 1 is provided with an electromagnetic heating coil 4 and a control board 5, The electromagnetic heating coil 4 is electrically connected to the control board 5, the bottom of the container part 2 is provided with an electromagnetic heating element that cooperates with the electromagnetic heating coil 4, and the bottom wall of the container part 2 is provided with a bottom wall. The temperature sensing probe 7 close to the wall, the position corresponding to the temperature sensing probe 7 on the bottom wall of the container part 2 is provided with an upper core electrical connector 8 connected to the two poles of the temperature sensing probe 7, the The position corresponding to the electromagnetic heating coil 4 on the top of the base 1 is provided with a lower core electrical connector 9 matched with the upper core electrical connector 8, and the lower core electrical connector 9 is electrically connected to the control main board 5 . The container part 2 is detachably arranged on the base 1 through the cooperation of the upper core electrical connector 8 and the lower core electrical connector 9. When using the electromagnetic heating appliance to cook food, the control board 5 controls the electromagnetic heating coil 4 to work to generate a magnetic field. Under the action of electromagnetic induction, the electromagnetic heating element at the bottom of the container part 2 heats up rapidly by itself to cook the ingredients in the container part 2 . In this way, there is no charged component on the whole container part 2. When cleaning the container part 2, the whole container part 2 can be immersed in water for cleaning, which is convenient and thorough. The temperature probe 7 on the bottom wall of the container part 2 transmits the detected temperature value back to the control board 5, so as to control the temperature of the cooking food.

As shown in Figure 4, the bottom wall of the container part 2 is provided with a groove 6 that is recessed to the inside of the container part 2, and the distance between the bottom wall of the groove 6 and the electromagnetic heating coil 4 is greater than that of the electromagnetic heating coil 4. The maximum magnetic induction distance that the electromagnetic heating element cooperates with the electromagnetic heating coil 4 to generate heat, the temperature sensing probe 7 is arranged on the bottom wall of the groove 6, and the upper core electrical connector 8 is arranged on the groove 6 Inside. Since the temperature-sensing probe 7 is in close contact with the bottom wall of the groove 6, and the distance between the bottom wall of the groove 6 and the electromagnetic heating coil 4 is greater than the maximum heat generated by the cooperation of the electromagnetic heating element and the electromagnetic heating coil 4 Magnetic induction distance, which makes the temperature detected by the temperature probe 7 not affected by the self-heating of the electromagnetic heating element, thereby being closer to the real temperature of the food in the container part 2, so that the temperature control of the cooking of the food is more accurate.

As shown in FIG. 4 , the container part 2 includes a container wall 21 and a metal plate 22 connected to the bottom of the container wall 21, and a cladding shell 23 is provided at the connection between the container wall 21 and the metal plate 22, In this form, the metal disk 22 is an electromagnetic heating element, and the groove 6 is provided on the metal disk 22 .

As shown in Figures 8 to 10, the upper core electrical connector 8 is a two-core electrical connector, and one end of the first core I81 and the second core II82 of the upper core electrical connector 8 are respectively connected to the temperature sensitive The two poles of the probe 7 are connected, the lower core electrical connector 9 is a three-core electrical connector, and one end of the first core A91 and the second core B92 of the lower core electrical connector 9 is connected to the upper core electrical connector 8 When mating with the lower-core electrical connector 9, they contact the other ends of the first core I81 and the second core II82 of the upper-core electrical connector 8 respectively, and the first core A91 and the second core II82 of the lower-core electrical connector 9 The other end of the two cores B92 is electrically connected to the control board 5, and one end of the third core C93 of the lower core electrical connector 9 is connected to the lower core electrical connector 9 when the upper core electrical connector 8 is matched with the lower core electrical connector 9. The side walls of the groove 6 are in contact, and the other end of the third core C93 is grounded through the control board 5 . In this way, the detection of the temperature of the food material in the container part 2 by the temperature sensing probe 7 is realized, and the grounding of the metal plate 22 at the bottom of the container part 2 is realized, thereby ensuring the safety of the user.

As shown in Figure 2 and Figure 3, the top of the container part 2 is provided with a cover 3, the cover 3 includes a large cover 31 and a small cover 32, the large cover 31 is provided with a circular through hole 33, the The small cover 32 covers the circular through hole 33 .

As shown in Figures 2 and 3, a stew pot 34 or a tea basket 35 can also be set on the lid 3, and the stew pot 34 or the tea basket 35 is placed in the circular through hole 33, and the small cover 32 Cover and close on the stewing pot 34 or the tea basket 35 .

As shown in Figures 5 and 9, a cooling fan 10 is provided below the electromagnetic heating coil 4, an air inlet 11 is provided at the bottom of the base 1 corresponding to the cooling fan 10, and an air inlet 11 is provided on the side of the base 1. An air outlet 12 is provided on the wall. The cooling fan 10 sucks the cold air from the outside into the base 1 from the air inlet 11 , then takes away the heat around the electromagnetic heating coil 4 , and finally discharges it through the air outlet 12 to realize heat dissipation inside the base 1 .

In this implementation, the top surface of the base 1 is made of non-metallic material in order not to affect the normal operation of the electromagnetic heating element at the bottom of the container part 2 .

As shown in FIGS. 1 to 4 , a handle 13 is provided on the side of the container part 2 to facilitate the user to take the container part 2 .

Example 2

This embodiment is similar to Embodiment 1, the difference is that the container part 2 is an integrally formed glass container, the inner wall of the bottom of the container part 2 is provided with a metal coating, and the metal coating is an electromagnetic heating element . In this form, the metal coating cooperates with the electromagnetic heating coil 4 to heat itself to heat the food in the container part 2, and the upper core electrical connector 8 and the lower core electrical connector 9 are two-core electrical connectors , to ensure the normal operation of the temperature probe 7. Other structures and working principles of this embodiment are the same as those of Embodiment 1.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, on the basis of the above description, other changes or changes in different forms can also be made. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. a kind of Electromagnetic Heating utensil, including base（1）With located at base（1）On container part（2）, it is characterised in that institute State base（1）It is interior to be provided with electromagnetic heating coil（4）And control mainboard（5）, the electromagnetic heating coil（4）With the control mainboard （5）Electrical connection, the container part（2）Bottom be provided with and the electromagnetic heating coil（4）The electromagnetic heating body of cooperation, it is described Container part（2）Bottom wall be provided with the temperature-sensing probe be close to bottom wall（7）, the container part（2）Bottom wall on it is described Temperature-sensing probe（7）Corresponding position is provided with and the temperature-sensing probe（7）The two poles of the earth connection upper core electric connector（8）, the bottom Seat（1）Top and the electromagnetic heating coil（4）Corresponding position is provided with and the upper core electric connector（8）The lower core coordinated Electric connector（9）, the lower core electric connector（9）With the control mainboard（5）Electrical connection.

A kind of 2. Electromagnetic Heating utensil according to claim 1, it is characterised in that the container part（2）Bottom wall on Provided with to container part（2）The groove of inner recess（6）, the groove（6）Bottom wall and the electromagnetic heating coil（4）Between Distance be more than the electromagnetic heating body and the electromagnetic heating coil（4）Coordinate the maximum magnetic flux distance of reaction of heating, the sense Temperature probe（7）It is located at the groove（6）Bottom wall on, the upper core electric connector（8）It is located at the groove（6）It is interior.

A kind of 3. Electromagnetic Heating utensil according to claim 1, it is characterised in that the container part（2）Including container Wall（21）Be connected to the chamber wall（21）The metal dish of bottom（22）, the chamber wall（21）With the metal dish（22）'s Junction is provided with cladding shell（23）, the metal dish（22）As electromagnetic heating body.

A kind of 4. Electromagnetic Heating utensil according to claim 3, it is characterised in that the upper core electric connector（8）For two Core electric connector, the upper core electric connector（8）The first core I（81）With the second core II（82）One end respectively with the temperature-sensitive Probe（7）The two poles of the earth connection, the lower core electric connector（9）For three core electric connectors, the lower core electric connector（9）First Core A（91）With the second core B（92）One end on described core electric connector（8）With lower core electric connector（9）During cooperation, respectively with The upper core electric connector（8）The first core I（81）With the second core II（82）Another end in contact, the lower core electric connector （9）The first core A（91）With the second core B（92）The other end and the control mainboard（5）Electrical connection, the lower core electric connector （9）The 3rd core C（93）One end on described core electric connector（8）With lower core electric connector（9）During cooperation, with the groove （6）Side wall contact, the 3rd core C（93）The other end pass through the control mainboard（5）Ground connection.

A kind of 5. Electromagnetic Heating utensil according to claim 1, it is characterised in that the container part（2）It is integrated into The glass container of type, the container part（2）The inwall of bottom is provided with metal coating, and the metal coating is electromagnetic heating Body.

A kind of 6. Electromagnetic Heating utensil according to claim 1, it is characterised in that the container part（2）Top set There is lid（3）, the container part（2）Sidepiece be provided with handle（13）.

A kind of 7. Electromagnetic Heating utensil according to claim 6, it is characterised in that the lid（3）Including big lid（31） And tegillum（32）, the big lid（31）It is provided with manhole（33）, the tegillum（32）Cover in the manhole（33） On.

A kind of 8. Electromagnetic Heating utensil according to claim 7, it is characterised in that the lid（3）It is provided with stew cup （34）Or tea basket（35）, the stew cup（34）Or tea basket（35）It is placed in the manhole（33）In, the tegillum（32）Cover In the stew cup（34）Or tea basket（35）On.

A kind of 9. Electromagnetic Heating utensil according to claim 1, it is characterised in that the electromagnetic heating coil（4）Under Side is provided with radiator fan（10）, the base（1）Bottom and the radiator fan（10）Corresponding position is provided with air inlet （11）, the base（1）Side wall be provided with air outlet（12）.

A kind of 10. Electromagnetic Heating utensil according to claim 1, it is characterised in that the base（1）Top surface by non-gold Category material is made.