CN112099549A - Electric roaster capable of intelligently controlling upper and lower temperatures - Google Patents

Abstract

The invention provides an electric baking tool capable of intelligently controlling upper and lower temperatures, which comprises an upper cover and a base, wherein an upper baking tray is fixedly connected to the inner cavity of the upper cover, a groove is formed in the top of the base, a lower baking tray is installed in the groove, heating modules for heating the baking tray are fixedly installed on the upper baking tray and the lower baking tray respectively, each heating module comprises an upper heating module for heating the upper baking tray and a lower heating module for heating the lower baking tray, temperature sensors for detecting the temperatures of the baking trays are arranged in the upper cover and the base respectively, and the upper heating module and the lower heating module can simultaneously and independently heat the upper baking tray and the lower baking tray according to the temperatures detected by the temperature sensors. According to the invention, the temperatures of the upper baking tray and the lower baking tray can be sensed in real time through the matching of the independent upper heating module and the independent lower heating module and the temperature sensor, and the heating powers of the upper baking tray and the lower baking tray can be respectively adjusted according to the temperatures, so that the electric baking device can be suitable for the baking and cooking of different types of food, and the electric baking process can be more intelligent.

Description

Electric roaster capable of intelligently controlling upper and lower temperatures

Technical Field

The invention relates to the technical field of electric baking equipment, in particular to an electric baking tool capable of intelligently controlling the upper temperature and the lower temperature.

Background

The electric oven is a modern popular roasting device without smoke and sticking pan, and has multiple purposes such as frying rice on a flat plate, sticking a wrapper and frying dumplings on beefsteak, not limited to single roasting purpose, but also can be used for roasting mutton shashlik, roast meat and the like.

Present electric roasting tool intelligent degree is lower, can not be in real time to the weight of the food of electricity roast, thickness and the degree of maturity of electricity roast detect, can't reach and set for the purpose of treating roast food degree of maturity through control operating panel, can't realize through control algorithm, the power and the temperature of heating module output electric energy on the automatic control electric roasting tool, can't reach the purpose of carrying out full automation control of electricity roast, can't realize carrying out information combination control with electric roasting tool and user's cell-phone end APP terminal or computer terminal, thereby give people to use the electric roasting tool to bring very big inconvenience.

Thus, the prior art has yet to be improved and enhanced.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide an electric baking tool capable of intelligently controlling upper and lower temperatures, and solves the problems that the existing electric baking tool is low in intelligentization degree, cannot detect the weight and thickness of an electrically baked food and the cooking degree of the electric baking in real time, cannot achieve the purpose of setting the cooking degree of the food to be baked by controlling an operation panel, cannot automatically control the power and temperature of electric energy output by a heating module on the electric baking tool through a control algorithm, cannot achieve the purpose of full-automatic electric baking control, and cannot achieve information combination monitoring of the electric baking tool and a mobile phone terminal APP terminal or a computer terminal of a user.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides an electric baking tool capable of intelligently controlling upper and lower temperatures, which comprises an upper cover and a base, wherein an upper baking tray is fixedly connected to the inner cavity of the upper cover, a groove is formed in the top of the base, a lower baking tray is installed in the groove, heating modules for heating the baking tray are fixedly installed on the upper baking tray and the lower baking tray respectively, each heating module comprises an upper heating module for heating the upper baking tray and a lower heating module for heating the lower baking tray, temperature sensors for detecting the temperatures of the baking trays are arranged in the upper cover and the base respectively, and the upper heating module and the lower heating module can simultaneously and independently heat the upper baking tray and the lower baking tray according to the temperatures detected by the temperature sensors.

In a preferred embodiment, the electric roasting tool capable of intelligently controlling the upper and lower temperatures is characterized in that at least one metal probe used for inserting food to detect the internal temperature of the food is arranged on the upper roasting tray and/or the lower roasting tray, and the metal probe is connected with a probe temperature sensor.

In a preferred embodiment, the electric roasting tool capable of intelligently controlling the upper temperature and the lower temperature is characterized in that the lower roasting tray is movably connected with the groove through a suspension mechanism.

Further, the suspension mechanism comprises a plurality of elastic support assemblies, and weighing sensors are arranged at the bottoms of the elastic support assemblies.

Furthermore, but temperature electric roasting utensil about intelligent control, suspension mechanism still includes the insulating layer, the insulating layer set up in between elastic support subassembly and the lower overware.

Specifically, the electric roasting tool capable of intelligently controlling the upper temperature and the lower temperature comprises an elastic supporting assembly, wherein the elastic supporting assembly comprises a guide cylinder, a guide rod and an elastic component, the guide cylinder is fixedly connected with the groove, the guide rod is fixedly connected with the lower roasting tray, and the elastic component is arranged between the guide rod and the groove.

In a preferred embodiment, the suspension mechanism comprises a linear spring and a pressure sensor, the linear spring is arranged between the lower baking tray and the groove, and the pressure sensor is connected with the linear spring and used for detecting the pressure applied to the linear spring. When the linear spring is stressed and compressed, the deformation amount of the spring can be obtained according to the pressure detected by the pressure sensor and the elastic coefficient of the linear spring, and the sinking distance of the lower baking tray can be obtained.

In a preferred embodiment, the intelligently-controllable upper and lower temperature electric roasting tool is provided with a plurality of upper heating modules and a plurality of lower heating modules, and each heating module can independently heat.

Furthermore, the upper heating modules and the lower heating modules are respectively arranged on the upper baking tray and the lower baking tray in an annular, strip or block shape at intervals.

In a preferred embodiment, the electric roaster capable of intelligently controlling the upper and lower temperatures has a plurality of temperature sensors.

In a preferred embodiment, the temperature sensor is a multi-channel temperature sensor, the multi-channel temperature sensor is provided with a plurality of sensing probes, and the sensing probes are arranged on the upper roasting tray and the lower roasting tray.

Specifically, but temperature electric roasting utensil about intelligent control, last heating module and lower heating module be four and be the bar setting, four last heating modules parallel, set up uniformly on going up the overware, correspondingly, four lower heating modules parallel, set up uniformly on the overware down.

In a preferred embodiment, the electric roaster capable of intelligently controlling upper and lower temperatures further comprises a connecting member, one end of the connecting member is hinged with the upper cover, one side of the base is provided with a sliding groove, and the other end of the connecting member is rotatably arranged in the sliding groove and can slide up and down along the sliding groove.

In a preferred embodiment, the upper cover of the electric roaster capable of intelligently controlling the upper and lower temperatures is provided with a handle, and when the upper cover is opened by 180 degrees, the handle is supported on a table top, so that the heating surface of the upper roasting tray is in a horizontal state.

In a preferred embodiment, the electric roasting tool capable of intelligently controlling upper and lower temperatures is an L-shaped handle, the handle part of the handle points to the opening direction of the upper cover, and the tail end of the handle part of the handle extends out of the edge of the upper cover.

Specifically, but temperature electric roasting utensil about intelligent control, have the protruding surrounding edge of a circle outside on last overware and/or the overware down, under the vacant state, when last overware and lower overware lock, the heating face and the surrounding edge of last overware and lower overware form a confined space jointly.

In a preferred embodiment, the electric roasting tool capable of intelligently controlling the upper and lower temperatures is characterized in that a distance sensor is further arranged on the upper roasting tray and/or the lower roasting tray, and the distance sensor is used for measuring the distance between the upper roasting tray and the lower roasting tray.

In a preferred embodiment, the intelligently-controlled upper and lower temperature electric roasting tool is characterized in that the lower roasting tray is further provided with an oil guide groove, and the oil guide groove is used for concentrating oil juice and preventing the oil juice from overflowing out of the lower roasting tray.

Specifically, but temperature electric roasting utensil about intelligent control still include automatically controlled box, automatically controlled box is located in base or the upper cover, heating module, temperature sensor, probe temperature sensor, weighing sensor and distance sensor all with automatically controlled box electric connection.

Furthermore, the electric baking tool capable of intelligently controlling the upper temperature and the lower temperature comprises an electric control box (6) which comprises a storage module, wherein the storage module is used for storing historical heating parameters.

Compared with the prior art, the invention provides an electric baking tool capable of intelligently controlling upper and lower temperatures, which comprises an upper cover and a base, wherein an upper baking tray is fixedly connected to the inner cavity of the upper cover, a groove is formed in the top of the base, a lower baking tray is installed in the groove, heating modules for heating the baking tray are fixedly installed on the upper baking tray and the lower baking tray respectively, each heating module comprises an upper heating module for heating the upper baking tray and a lower heating module for heating the lower baking tray, temperature sensors for detecting the temperature of the baking tray are arranged in the upper cover and the base respectively, and the upper heating module and the lower heating module can simultaneously and independently heat the upper baking tray and the lower baking tray according to the temperature detected by the temperature sensors. The lower baking tray has certain mobility within a certain range through the suspension mechanism, when the electric baking tray is covered with the upper cover to work, the lower baking tray can adjust the direction along with the shape adaptability of food, so that the food can be better attached to the upper baking tray and the lower baking tray, the food is heated more uniformly, the user can better control the cooking degree of the food, the upper baking tray and the lower baking tray can be buffered and protected, and the situation that the local stress on the surfaces of the baking trays is too large and the service life of parts is influenced (for example, the surface coatings of the baking trays can be damaged) is prevented. Meanwhile, the upper and lower surfaces of the food can be electrically baked at the same time, the temperatures of the upper and lower baking trays can be sensed in real time through the matching of the independent upper and lower heating modules and the temperature sensor, and the heating powers of the upper and lower baking trays can be respectively adjusted according to the temperatures, so that the electric baking oven is suitable for the baking and cooking of different types of food, and the electric baking process can be more intelligent.

Drawings

Fig. 1 is a schematic structural diagram of a first preferred embodiment of an electric grill capable of intelligently controlling upper and lower temperatures according to the present invention.

Fig. 2 is a sectional view of a first preferred embodiment of the electric roaster capable of intelligently controlling upper and lower temperatures according to the present invention.

Fig. 3 is a sectional view of an electric control box structure of a first preferred embodiment of the electric roaster capable of intelligently controlling upper and lower temperatures according to the present invention.

Fig. 4 is a structural schematic block diagram of the electric roasting apparatus capable of intelligently controlling upper and lower temperatures provided by the present invention.

Fig. 5 is a schematic structural diagram of a second preferred embodiment of the electric grill capable of intelligently controlling upper and lower temperatures according to the present invention.

FIG. 6 is a schematic top view of a circular upper baking tray of a second preferred embodiment of the electric baking apparatus capable of intelligently controlling upper and lower temperatures according to the present invention.

Fig. 7 is a schematic top view of a lower baking tray of a second preferred embodiment of the electric baking apparatus capable of intelligently controlling upper and lower temperatures according to the present invention.

FIG. 8 is a schematic top view of a rectangular upper baking tray of a second preferred embodiment of the electric roaster capable of intelligently controlling upper and lower temperatures according to the present invention.

Fig. 9 is an exploded view of a third preferred embodiment of an electric grill (without an upper cover) capable of intelligently controlling upper and lower temperatures according to the present invention.

Fig. 10 is a first structural schematic diagram of a fourth preferred embodiment of the electric grill capable of intelligently controlling upper and lower temperatures according to the present invention.

Fig. 11 is a second structural schematic diagram of a fourth preferred embodiment of the electric grill capable of intelligently controlling upper and lower temperatures according to the present invention.

Reference is made to the accompanying drawings in which: 1 upper cover, 2 base, 3 upper baking tray, 4 grooves, 5 lower baking tray, 6 electric control box, 7 detection control module, 8 power management module, 9 heating module, 91 upper heating module, 92 lower heating module, 10 temperature sensor, 101 upper baking tray temperature sensor, 102 lower baking tray temperature sensor, 11 suspension mechanism, 110 elastic support component, 111 guide cylinder, 112 guide rod, 113 weighing sensor, 114 elastic component, 115 thermal insulation layer, 116 bedplate, 12 mounting hole, 13 distance sensor, 14 operation panel, 15 horn, 16 wireless communication module, 17 plug interface, 18 metal probe, 19 probe temperature sensor, 20 intelligent terminal, 51 oil guide groove, 52 oil outlet hole, 53 oil outlet pin, 54 oil collection box, 21 surrounding edge, 22 connecting component, 23 sliding groove and 24 handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

As shown in fig. 1 to 4, the electric grill capable of intelligently controlling upper and lower temperatures provided by the present invention includes an upper cover 1 and a base 2, an inner cavity of the upper cover 1 is fixedly connected with an upper grill pan 3, a top of the base 2 is provided with a groove 4, a lower grill pan 5 is installed in the groove 4, heating modules 9 for heating the grill pan are fixedly installed on the upper grill pan 3 and the lower grill pan 5, each heating module 9 includes an upper heating module 91 for heating the upper grill pan 9 and a lower heating module 92 for heating the lower grill pan 5, and temperature sensors 10 for detecting temperatures of the grill pan are installed in the upper cover 1 and the base 2. Specifically, the electric roaster capable of intelligently controlling the upper and lower temperatures further comprises an electric control part for receiving and processing related detection information and controlling the output of each heating membrane block, as an example, the electric control part is arranged in the form of an electric control box 6, and the electric control box 6 is arranged in the base 2 or the upper cover 1. In the first preferred embodiment of the present invention, the bottom of the inner wall of the groove 4 is fixedly connected with an electrical control box 6, the bottom of the inner wall of the electrical control box 6 is fixedly provided with a detection control module 7, the top of the inner wall of the electrical control box 6 is fixedly provided with a power management module 8, the detection control module 7 respectively and independently detects the temperature of the temperature sensors on the upper and lower two baking trays and independently controls the heating power and the heating time of the upper and lower two heating modules, the power management module 8 converts the external electric energy into the electric energy required by the interior and provides the electric energy for the modules inside, the detection control module 7 adopts a central processing unit with the model of ARM9, the model of the power management module 8 is MAX15062bat, and the outer surface of the base 2 is respectively and fixedly provided with an operation panel 14, a loudspeaker 15 and a. Preferably, the electronic control box 6 further includes a storage module (not shown in the figure), the storage module is electrically connected to the detection control module 7, and the storage module is configured to store historical heating parameters, where the heating parameters include heating time, heating power (heating time curves of the upper and lower heating modules), and the like, so that a user can directly select and call the historical heating parameters to perform electric baking processing on food when using the electronic control box.

Preferably, a distance sensor 13 is further disposed on the upper roasting tray and/or the lower roasting tray, and the distance sensor 13 is used for measuring a distance between the upper roasting tray 3 and the lower roasting tray 5. In the first preferred embodiment of the present invention, the upper bakeware 3 has a mounting hole 12 on one side of the bottom and the lower bakeware 5 has a mounting hole 12 on one side of the top, a distance sensor 13 is fixedly mounted inside the mounting hole 12, and an operation panel 14, a speaker 15 and a wireless communication module 16 are respectively fixedly mounted on the outer surface of the base 2. The output ends of the distance sensor 13, the temperature sensor 10 and the operation panel 14 are electrically connected with the input end of the detection control module 7, the output end of the detection control module 7 is electrically connected with the input end of the loudspeaker 15, the detection control module 7 is respectively in bidirectional connection with the power management module 8 and the wireless communication module 16, and the output end of the power management module 8 is electrically connected with the input end of the heating module 9. The upper heating module 91 is fixedly installed at the top of the upper roasting tray 3, the lower heating module 92 is fixedly installed at the bottom of the lower roasting tray 5, the input ends of the upper heating module 91 and the lower heating module 92 are electrically connected with the output end of the power management module 8, the temperature sensor 10 comprises an upper roasting tray temperature sensor 101 and a lower roasting tray temperature sensor 102, the upper roasting tray temperature sensor 101 is fixedly installed at the top of the upper roasting tray 3, the lower roasting tray temperature sensor 102 is fixedly installed at the bottom of the lower roasting tray 5, and the output ends of the upper roasting tray temperature sensor 101 and the lower roasting tray temperature sensor 102 are electrically connected with the input end of the detection control module 7. The distance sensor 13 is one of an optical sensor or a magnetic sensor, the wireless communication module 16 is wirelessly connected with the intelligent terminal 20 through a wireless local area network or a 4G network, and the intelligent terminal 20 is a mobile phone terminal or a computer terminal.

Preferably, at least one metal probe 18 penetrates through and is fixedly installed on the upper baking tray 3, the metal probe 18 is connected with a probe temperature sensor 19, and the metal probe 18 is arranged at a specific position on the upper baking tray 3, which is not limited in the present invention. In the first preferred embodiment of the present invention, at least one metal probe 18 penetrates through and is fixedly installed on the upper bakeware 3, and one end of the metal probe 18 located at the top of the upper bakeware 3 is fixedly installed with a probe temperature sensor 19, the upper bakeware temperature sensor 101, the lower bakeware temperature sensor 102 and the probe temperature sensor 19 are all temperature sensors with model number DS18B20, and the output end of the probe temperature sensor 19 is electrically connected with the input end of the detection control module 7.

Preferably, in the electric roasting apparatus capable of intelligently controlling upper and lower temperatures according to the present invention, the suspension mechanism 11 includes a plurality of elastic support assemblies 110, and a weighing sensor 113 is disposed at the bottom of each elastic support assembly 110. The plurality of elastic support assemblies 110 should be symmetrically or uniformly distributed on the bottom of the lower roasting pan 5, so that the component force applied to each elastic support assembly 110 is uniform when the lower roasting pan 5 is parallel to the upper roasting pan 3. In another preferred embodiment, the suspension mechanism 11 comprises a linear spring disposed between the lower tray 5 and the groove 4, and a pressure sensor connected to the linear spring for detecting the pressure applied to the linear spring, wherein the pressure sensor can be disposed above the linear spring (i.e. between the linear spring and the lower tray) or below the linear spring (i.e. between the linear spring and the groove). When the linear spring is stressed and compressed, the deformation amount of the spring can be calculated by the electric control box 6 according to the pressure value detected by the pressure sensor and the elastic coefficient of the linear spring, so that the sinking distance of the lower baking tray 5 can be obtained, and the linear spring can replace the distance sensor 13, so that the structure is simplified, and the production cost is reduced. Specifically, the number of the linear springs is generally 4, the linear springs are used for supporting the lower baking tray 5 at four points, the supporting stability is good, and the pressure sensors and the linear springs are arranged in a one-to-one correspondence manner.

Specifically, the electric roasting tool capable of intelligently controlling the upper and lower temperatures provided by the invention comprises an elastic support assembly 110, wherein the elastic support assembly comprises a guide cylinder 111, a guide rod 112 and an elastic member 114, the guide cylinder 111 is fixedly connected with the groove 4, the guide rod 112 is fixedly connected with the lower roasting pan 5, and the elastic member 114 is arranged between the guide rod 112 and the groove 4. In the first preferred embodiment of the present invention, the guiding cylinder 111 is a straight cylinder, the elastic member 114 is a buffer spring, and two elastic supporting components 114 are adopted, that is, the suspension mechanism 11 adopts two guiding cylinders 111 and two guiding rods 112, the bottom ends of the two guiding cylinders 111 are respectively and symmetrically and fixedly installed at two sides of the bottom of the inner wall of the groove 4, the top ends of the two guiding rods 112 are respectively and symmetrically and fixedly installed at two sides of the bottom of the lower roasting pan 5, the bottom of the inner wall of the guiding cylinder 111 is fixedly installed with the weighing sensor 113, the output end of the weighing sensor 113 is electrically connected with the input end of the detection control terminal 7, the bottom end of the guiding rod 112 penetrates through the guiding cylinder 111 and extends to the inside of the guiding cylinder 111, one end of the guiding rod 112 extending to the inside of the guiding cylinder 111 is fixedly connected with the top of the weighing sensor 113 through the buffer spring, both the, The heating device comprises a metal heat conduction material made of iron or aluminum, wherein the outer surfaces of the upper cover 1 and the bottom are fixedly provided with plug-in interfaces 17 connected with a power management module 8, and the upper heating module 91 and the lower heating module 92 are made of PTC heating materials.

When the first preferred embodiment of the invention is used, the baking tool is powered on through the plug-in interface 17, the required maturity of the beefsteak (steak) to be baked is set through the operation panel 14, such as three-mature, five-mature or seven-mature, the baking tool is automatically heated, when the temperature is heated to a preset temperature, the horn 15 prompts, at the moment, the upper cover 1 is opened, the beefsteak (steak) is put on the lower baking tray 5, the upper cover 1 is covered, the upper and lower baking trays 5 of the baking tool automatically clamp the beefsteak (steak) up and down through the suspension mechanism 11, the weight of the beefsteak (steak) is detected through the weighing sensor 113 inside the suspension mechanism 11, at the moment, the metal probe 18 is inserted into the beefsteak, the temperature inside the beefsteak is detected through the probe temperature sensor 19, the baking tool judges the opening and closing of the upper cover 1 through the distance sensor 13, and simultaneously detects the distance between the upper baking tray 3 and the lower, the device is used for judging the thickness of a beefsteak (steak), and automatically and continuously heating, the baking tool detects the temperature inside the beefsteak (steak) in real time through a metal probe 18 and a probe temperature sensor 19 arranged on the probe, the baking tool detects the temperature of a baking tray in real time through a temperature sensor 10 connected with an upper baking tray 3 and a lower baking tray 5 in a contact way, so as to judge the surface temperature of the upper surface and the lower surface of the beefsteak (steak), a detection control module 7 in the baking tool analyzes the received data information detected by each sensor, puts the beefsteak (steak) into the baking tool, folds an upper cover 1 of the baking tool, detects the weight and the thickness of the beefsteak (steak) and the maturity set through an operation panel 14, automatically controls a power management module 8 to heat the electric energy output by an upper heating module 9 and a lower heating module 9 through algorithm software embedded in the detection control module 7, and according to the set temperature time curve in the algorithm software, the power and time of the output electric energy are controlled, the temperature curves of the upper heating module 91 and the lower heating module 92 are respectively independent, when the internal temperature and the surface temperature of the steak (steak) reach the standard temperature of the maturity degree, the detection control module 7 automatically controls the power management module 8 to cut off the power supply of the heating module, the prompt is given through the loudspeaker 15, the work is completed, the whole process is fully automatic, the baking tool can simultaneously transmit the prompt information of the loudspeaker 15 to the intelligent terminal 20 of the mobile phone end APP or the computer terminal through the wireless communication module 16 for prompt, simultaneously can transmit the internal parameter information and the history record of the use process in the baking tool to the mobile phone APP end or the computer terminal, simultaneously, the algorithm software and the temperature-time curve parameters preset in the baking tool can be modified through the mobile phone APP end or the computer terminal, and after the steak (steak) is baked, the speaker 15 will automatically prompt that the roaster stops working at the same time.

In order to better explain the present invention, the present invention further provides a second preferred embodiment, as shown in fig. 5-7, in the electric baking device capable of intelligently controlling upper and lower temperatures provided in the second preferred embodiment of the present invention, a plurality of temperature sensors 10 are respectively disposed on the upper baking tray 3 and the lower baking tray 5, and are distributed on the baking trays in different zones, and the temperature sensors 10 are electrically connected to the electric control box 6. Preferably, in other embodiments, the temperature sensor 10 may also be a multi-channel temperature sensor, one corresponding to each of the upper and lower bakeware, and the multi-channel temperature sensor, i.e. the multi-point temperature sensor, has a plurality of sensing probes, and the plurality of sensing probes are disposed on the upper bakeware and the lower bakeware, so that the multi-channel temperature sensor has high precision, but also has high cost.

Furthermore, in the second preferred embodiment of the present invention, the metal probes 18 are disposed in the middle of the upper grill plate 3, so that the metal probes 18 can be inserted into the food to detect the temperature inside the food better, and of course, a plurality of metal probes 18 can be disposed to detect the cooking status of a plurality of portions of the food.

Preferably, in the second preferred embodiment, a plurality of upper heating modules 91 and a plurality of lower heating modules 92 are provided, and each of the upper heating modules and the lower heating modules can independently control the heating power and the heating time. The shape of the electric roasting tool mainly includes two shapes, namely a circular shape and a rectangular shape, wherein the circular shape is taken as an example, as shown in fig. 6, the present embodiment is provided with 8 upper heating modules 91 which are distributed at intervals, and the metal probes 18 and the plurality of temperature sensors 10 are arranged in the intervals between the plurality of upper heating modules 91. The upper and lower baking trays of the invention realize zone heating through a plurality of independent heating modules, and the temperature sensor corresponding to each zone monitors the temperature in real time, so that the heating power output by different zones can be intelligently adjusted according to the real-time temperature, and the cooking quality of the electric food baking can be further ensured. Since the plurality of upper heating modules 91 and the plurality of lower heating modules 92 of the present invention are respectively disposed on the upper bakeware 3 and the lower bakeware 5 in a ring shape, a strip shape, or a block shape, and are distributed at intervals, please refer to fig. 8, which illustrates an upper bakeware with a rectangular rounded corner as an example, the plurality of upper heating modules 91 are disposed on the upper bakeware 3 in a ring shape.

Preferably, in a second preferred embodiment of the present invention, further, the electric roasting apparatus capable of intelligently controlling upper and lower temperatures further includes a heat insulation layer 115, wherein the heat insulation layer 115 is disposed between the elastic support assembly 110 and the lower roasting pan 5, so as to ensure the service life of the lower parts of the lower roasting pan. Furthermore, the bottom of lower baking tray 5 is provided with 4 elastic support assemblies 110 that are symmetrically distributed, elastic support assembly 110 includes guide cylinder 111, guide rod 112 and elastic component 114, guide cylinder 111 with recess 4 fixed connection, guide rod 112 with lower baking tray 5 fixed connection, elastic component 114 set up in guide rod 112 with between recess 4, elastic component 114 is buffer spring, guide cylinder 111 is the bucket form, and like this, lower baking tray 5 can incline in any direction in certain angle range to cooperate upper baking tray 3 to closely laminate the surface of food better, thereby can ensure that food is heated more evenly. Furthermore, the load cell 113 at the bottom of each elastic support component 110 will detect the stress condition in real time, and when the food is tilted, the stress of the elastic support components at different positions is different, so that the tilt state of the lower grill pan 5 can be determined, and the tilt of the lower grill pan 5 represents that the thickness of the food is not uniform, so that the heating module 6 can be controlled to apply higher heating power or longer heating time to an area with larger thickness of the food, thereby ensuring the electric baking quality of the food.

Preferably, referring to fig. 5 and 7, in a second preferred embodiment of the present invention, an oil guiding groove 51 is further disposed on the lower grill pan 5, and the oil guiding groove 51 is used for collecting oil juice and preventing the oil juice from overflowing the lower grill pan 5. Further, an oil outlet 52 communicated with the oil guide groove 51 is arranged at one end of the lower baking tray 5, an oil outlet pin 53 for opening and closing the oil outlet 52 is inserted into the oil outlet 52, an oil collecting box 54 is arranged below the oil outlet 52, and the oil collecting box 54 is detachably arranged on one side of the base 2. When the product is used and cleaned by a user, the user pulls out the oil pin 53, then presses one end of the lower baking tray 5 to incline the lower baking tray 5 towards the oil outlet 52, oil juice on the lower baking tray 5 flows downwards along the oil guide groove 51 and is guided into the oil collection box 54 through the oil outlet 52, and then the user can pull out the oil collection box 54 from one side of the base 2 to pour the oil juice in the oil collection box 54 to the outside. It should be noted that the arrangement shape of the oil guide grooves 51 is only an example in the drawings, and the present invention is not limited thereto.

As shown in fig. 9, in the third preferred embodiment of the present invention, four upper heating modules 91 and four lower heating modules 92 are provided, and the upper heating modules 91 and the lower heating modules 92 are respectively arranged on the upper roasting tray 3 and the lower roasting tray 5 in a strip-shaped spaced manner and in parallel with each other. The upper roasting tray 3 and the lower roasting tray 5 are provided with a circle of surrounding edges 21 protruding outwards, and when the upper roasting tray 3 and the lower roasting tray 5 are buckled in an empty state, the heating surfaces of the upper roasting tray 3 and the lower roasting tray 5 and the surrounding edges 21 form a closed space together. The surrounding edge 21 can prevent oil from flowing out of the baking tray during baking, and can ensure that the upper and lower baking trays are tightly and stably buckled. Preferably, in the third preferred embodiment of the present invention, the suspension mechanism 11 includes 4 elastic support elements 110 and a platen 116, which are symmetrically disposed, the elastic support element 110 includes a compression spring, the compression spring is a conical compression spring, a conical portion of the compression spring is directed upward, the compression spring is mounted on the platen 116, the platen 116 is mounted in the groove 4, and specifically, a weighing sensor (not shown in the drawings) is disposed between the platen 116 and a bottom of the groove. The above embodiment presents an example of another form of the suspension mechanism 11 of the present invention. In addition, the base 2 is generally hinged to an upper cover (upper grill plate), and in the present invention, a latch (not numbered in the drawing) for locking the base 2 and the upper cover (upper grill plate) is provided on the opening side of the base 2 and the upper cover (upper grill plate) to hold the upper grill plate 3 in a fixed state after the upper grill plate is latched.

Referring to fig. 10 and 11, the electric roaster capable of intelligently controlling upper and lower temperatures according to the fourth preferred embodiment of the present invention further includes a connecting member 22, wherein one end of the connecting member 22 is hinged to the upper cover 1, and in this embodiment, the connecting member 22 is vertically disposed with the upper roasting pan 3. One side of the base 2 is provided with a sliding groove 23, the other end of the connecting member 22 is rotatably installed in the sliding groove 23 and can slide up and down along the sliding groove 23, the other end of the connecting member 22 can be provided with a shaft hole (not numbered in the figure), a sliding shaft (not shown in the figure) is arranged in the shaft hole in a penetrating manner, and the sliding shaft is limited in the sliding groove 23 to vertically slide up and down. Further, the upper cover 1 is provided with a handle 24, and when the upper cover is opened by 180 degrees, the handle 24 is supported on the table top, so that the heating surface of the upper roasting tray 3 is in a horizontal state. Preferably, in the electric roasting tool capable of intelligently controlling upper and lower temperatures according to the fourth preferred embodiment of the present invention, the handle 24 is an L-shaped handle, the handle of the handle 24 points to the opening direction of the upper cover 1, and the end of the handle 24 extends out of the edge of the upper cover 1, that is, the end of the handle 24 passes through a vertical plane where the edge of the upper cover 1 is located. Here through the setting of mobilizable connecting elements 22, upper cover 1 both can carry out the upset lock action of certain angle within range (0 ~ 180 °), also can reciprocate the adjustment perpendicularly with certain angle during the lock to adapt to the food of different thickness, cooperation suspension mechanism can make the upper and lower surface of food laminate with upper and lower overware better, makes the heating of food more even, is favorable to further guaranteeing the culinary art quality of food. In addition, the upper cover 1 can be completely opened and flatly placed on a table top, so that the upper baking tray and the lower baking tray can be used as a dual-oven barbecue grill, the use functions of the dual-oven barbecue grill are widened, the market competitiveness of products is improved, and preferably, the tail end of the handle part of the handle 24 extends out of the edge of the upper cover, so that a user can conveniently open and buckle the upper cover, and the operation experience of the user is improved. Furthermore, the invention can also be used as an electronic scale, when the upper cover is opened, the weight of food placed on the lower baking tray can be detected through the weighing sensor, when the upper cover is buckled, the upper cover can move up and down due to the existence of the connecting component, and the weight can be weighed by placing the object on the surface of the upper cover.

In summary, the lower baking tray has certain mobility within a certain range through the suspension mechanism, when the electric baking tray is covered by the upper cover to work, the lower baking tray can adjust the orientation along with the shape adaptability of the food, so that the food can be better attached to the upper and lower baking trays, the food is heated more uniformly, the user can better control the cooking degree of the food, the upper and lower baking trays can be protected in a buffering manner, and the situation that the local stress on the surfaces of the baking trays is too large to influence the service life of parts (for example, the surface coatings of the baking trays can be damaged) is prevented. Meanwhile, the invention can sense the temperatures of the upper and lower baking trays in real time through the matching of the independent upper and lower heating modules and the temperature sensor, and can respectively adjust the heating power of the upper and lower baking trays according to the temperatures, thereby being suitable for the frying and baking cooking of different types of food and enabling the electric baking process to be more intelligent. In addition, in the fourth preferred embodiment of the present invention, through the arrangement of the movable connecting member 22, the upper cover 1 can be turned and fastened within a certain angle range (0-180 °), and can also be vertically moved up and down at a certain angle during fastening to adapt to foods with different thicknesses. In addition, the upper cover 1 can be completely opened and flatly placed on a table top, so that the upper baking tray and the lower baking tray can be used as a double-oven barbecue grill, the using functions of the double-oven barbecue grill are widened, and the market competitiveness of products is favorably improved. Furthermore, the invention can also be used as an electronic scale, when the upper cover is opened, the weight of food placed on the lower baking tray can be detected through the weighing sensor, when the upper cover is buckled, the upper cover can move up and down due to the existence of the connecting component, and the weight can be weighed by placing the object on the surface of the upper cover.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.

Claims (20)

1. An electric roasting tool capable of intelligently controlling the upper and lower temperature is characterized by comprising an upper cover (1) and a base (2), an upper baking tray (3) is fixedly connected with the inner cavity of the upper cover (1), a groove (4) is formed in the top of the base (2), a lower baking tray (5) is installed in the groove (4), it is characterized in that the upper baking tray (3) and the lower baking tray (5) are both fixedly provided with heating modules (9) for heating the baking trays, the heating module (9) comprises an upper heating module (91) for heating the upper baking tray (3) and a lower heating module (92) for heating the lower baking tray (5), temperature sensors (10) for detecting the temperature of the baking tray are arranged in the upper cover (1) and the base (2), the upper heating module (91) and the lower heating module (92) can respectively heat the upper baking tray (3) and the lower baking tray (5) simultaneously and independently according to the temperature detected by the temperature sensor (10).

2. The electric roaster capable of intelligently controlling upper and lower temperatures according to claim 1, wherein at least one metal probe (18) for inserting food to detect the internal temperature of the food is installed on the upper roasting tray (3) and/or the lower roasting tray (5), and the metal probe (18) is connected with a probe temperature sensor (19).

3. The electric roaster capable of intelligently controlling upper and lower temperatures according to claim 1, wherein the lower roasting pan (5) is movably connected with the groove (4) through a suspension mechanism (11).

4. The electric barbecue capable of intelligently controlling upper and lower temperatures according to claim 3, wherein the suspension mechanism (11) comprises a plurality of elastic support components (110), and a weighing sensor (113) is arranged at the bottom of each elastic support component (110).

5. The electric roaster capable of intelligently controlling upper and lower temperatures according to claim 1, wherein the suspension mechanism (11) comprises a linear spring and a pressure sensor, the linear spring is arranged between the lower roasting pan (5) and the groove (4), and the pressure sensor is connected with the linear spring and used for detecting the pressure applied to the linear spring.

6. The electric barbecue set capable of intelligently controlling upper and lower temperatures according to claim 5, wherein the number of the linear springs is 4.

7. The electric barbecue set capable of intelligently controlling upper and lower temperatures according to claim 4, wherein the suspension mechanism (11) further comprises a heat insulation layer (115), and the heat insulation layer (115) is arranged between the elastic support component (110) and the lower barbecue plate (5).

8. The electric roaster capable of intelligently controlling upper and lower temperatures according to claim 7, wherein the elastic support assembly (110) comprises a guide cylinder (111), a guide rod (112) and an elastic member (114), the guide cylinder (111) is fixedly connected with the groove (4), the guide rod (112) is fixedly connected with the lower roasting pan (5), and the elastic member (114) is disposed between the guide rod (112) and the groove (4).

9. The electric grill capable of intelligently controlling upper and lower temperatures according to claim 1, wherein the upper heating module (91) and the lower heating module (92) are provided in plural numbers, each of which can independently perform heating.

10. The electric roaster capable of intelligently controlling upper and lower temperatures according to claim 9, wherein the plurality of upper heating modules (91) and the plurality of lower heating modules (92) are respectively arranged on the upper roasting tray (3) and the lower roasting tray (5) in an annular, strip-shaped or block-shaped interval distribution.

11. The electric roasting tool capable of intelligently controlling upper and lower temperatures according to claim 10, wherein the upper heating modules (91) and the lower heating modules (92) are four and arranged in a strip shape, and the four upper heating modules (91) or the four lower heating modules (92) are arranged on the upper roasting tray (3) or the lower roasting tray (5) in parallel and uniformly.

12. The intelligent upper and lower temperature electric roaster according to claim 9, wherein the temperature sensor (10) has a plurality; or the temperature sensor (10) is a multi-channel temperature sensor which is provided with a plurality of sensing probes, and the sensing probes are arranged on the upper baking tray (3) and the lower baking tray (5).

13. The electric roasting apparatus capable of intelligently controlling upper and lower temperatures according to claim 1, further comprising a connecting member (22), wherein one end of the connecting member (22) is hinged to the upper cover (1), one side of the base (2) is provided with a sliding groove (23), and the other end of the connecting member (22) is rotatably installed in the sliding groove (23) and can slide up and down along the sliding groove (23).

14. The electric roaster capable of intelligently controlling upper and lower temperatures according to claim 13, wherein the upper cover (1) is provided with a handle (24), and when the upper cover is opened by 180 degrees, the handle (24) is supported on a table top, so that the heating surface of the upper roasting tray (3) is in a horizontal state.

15. The electric barbecue capable of intelligently controlling upper and lower temperatures according to claim 14, wherein the handle (24) is an L-shaped handle, the handle part of the handle (24) points to the opening direction of the upper cover (1), and the tail end of the handle part of the handle (24) extends out of the edge of the upper cover (1).

16. The electric roasting apparatus capable of intelligently controlling upper and lower temperatures according to claim 1, wherein the upper roasting tray (3) and/or the lower roasting tray (5) is provided with a circle of surrounding edge (21) protruding outwards, and when the upper roasting tray (3) and the lower roasting tray (5) are buckled in an empty state, the heating surfaces of the upper roasting tray (3) and the lower roasting tray (5) and the surrounding edge (21) form a closed space together.

17. The electric roasting apparatus capable of intelligently controlling upper and lower temperatures according to claim 1, wherein a distance sensor (13) is further disposed on the upper roasting tray (3) and/or the lower roasting tray (5), and the distance sensor (13) is used for measuring a distance between the upper roasting tray (3) and the lower roasting tray (5).

18. The electric roaster capable of intelligently controlling upper and lower temperatures according to claim 1, wherein the lower roasting tray (5) is further provided with an oil guiding groove (51), and the oil guiding groove (51) is used for collecting oil juice and preventing the oil juice from overflowing the lower roasting tray (5).

19. The electric roaster capable of intelligently controlling upper and lower temperatures according to any one of claims 1-18, further comprising an electric control box (6), wherein the electric control box (6) is arranged in the base (2) or the upper cover (1), and the heating module (9), the temperature sensor (10), the probe temperature sensor (19), the weighing sensor (113) and the distance sensor (13) are electrically connected with the electric control box (6).

20. The intelligently controllable upper and lower temperature electric broiler set forth in claim 19, wherein said electric control box (6) comprises a memory module for storing historical heating parameters.

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