Multifunctional electric heating device with heating and microwave functions

Abstract

The invention provides a multifunctional electric heating device with heating and microwave functions, and relates to the technical field of heating. The multifunctional electric heating device with the heating function and the microwave function comprises a base, an electric heating module, a microwave module, a control system and a power supply system. Through combination of mature electric heating and microwave technologies, diversified requirements of users for heating and food heating are met at the same time, the occupied space of the device is saved, through function integration, safety improvement and intelligent control of the control system, the shielding door is arranged to be in the mode that the shielding door is firstly opened forwards and then opened upwards, the toppling problem can be effectively avoided, and the safety of the device is improved. The safety is further improved by arranging the balancing weight for balancing weight, the door opening structure of the shielding door is hidden in the hand buckling groove, the hiding effect is achieved, meanwhile, the opening force of the opening structure is controlled through the elastic force of the spring and the adsorption force between the permanent magnet and the inductive switch, and the situation that children touch the opening structure by mistake is effectively avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of heating, and specifically to a multifunctional electric heating and heating device that combines heating and microwave functions. Background Art

[0002] With the acceleration of the urbanization process and the improvement of people's living standards, consumers have put forward higher requirements for the multifunctionality, intelligence, energy conservation and environmental protection of household equipment. Traditional heating equipment and microwave heating equipment have single functions and occupy a large space, unable to meet the diverse needs of modern families and office places. The per capita living area in first-tier cities in China is less than 30 square meters, and miniaturized and multifunctional household appliances have become a necessity. According to data from JD.com Home Appliances, the search volume for "all-in-one machines" has been continuously increasing, but the market supply is still mainly dominated by categories such as washing and drying all-in-one machines, and products that combine heating and microwave have not yet appeared. Therefore, developing a multifunctional electric heating and heating device that combines heating and microwave has important market significance and technical value.

[0003] This project aims to combine mature electric heating and microwave technologies to design an efficient, safe and intelligent multifunctional device to meet the dual needs of users for heating and food heating while occupying less space. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a multifunctional electric heating and heating device that combines heating and microwave, solving the problems of single functions and large space occupation of heating and microwave products in the prior art.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions: A multifunctional electric heating and heating device that combines heating and microwave, including a base, an electric heating and heating module, a microwave module, a control system and a power supply system. The electric heating and heating module includes a heating housing, a heating element, a heat dissipation element and a temperature control element. The heating element, the heat dissipation element and the temperature control element are all arranged inside the heating housing. The heating housing is fixedly connected to the upper wall of the base. The microwave module includes a microwave housing, a shielding door, a magnetron, a waveguide element and a microwave cavity. The microwave housing is fixedly connected to the upper wall of the heating housing. The magnetron, the waveguide element and the microwave cavity are all arranged inside the microwave housing. The shielding door is arranged on the front side of the microwave housing. The control system includes a touch panel, and the touch panel is arranged on the top of the microwave housing. A weight structure for counterweight to prevent the device from tipping over is arranged inside the base, and a rolling structure for facilitating the movement of the device is arranged at the bottom of the base. A viewing window is arranged on the inner wall of the shielding door, and a bimetallic mesh is arranged inside the viewing window.

[0006] By combining mature electric heating and microwave technologies, it can meet the diverse needs of users for heating and food heating, save the occupied space of the device, and through function integration, safety improvement, and intelligent control of the control system, the product will become an ideal choice for families and workplaces.

[0007] Preferably, a handle groove is provided on the lower wall of the shielding door and is located at the center position from left to right. A sunken groove is provided on the inner upper wall of the handle groove. An opening structure is provided between the inside of the sunken groove and the microwave housing. Sliding grooves are provided on the rear wall of the shielding door and are close to both sides from left to right. A slider is slidably connected to the inner side wall of the sliding groove. An upper limit block is provided on the front wall of the slider and is close to the upper end position. A lower limit block is provided on the inner front wall of the sliding groove and is close to the lower opening position. A boosting structure for assisting the shielding door to rise is provided between the slider and the shielding door. A sliding structure for the shielding door to slide back and forth is provided between the slider and the microwave housing. An adsorption structure for sucking the shielding door to avoid microwave leakage when the microwave module is working is provided between the shielding door and the microwave housing.

[0008] To facilitate opening the shielding door with one hand, preferably, the opening structure includes a handle block, a permanent magnet block, and an induction switch. A switch groove is provided on the front wall of the microwave housing and is close to the lower wall. The induction switch is fixedly connected to the inner rear wall of the switch groove. The handle block is slidably connected to the inner side wall of the sunken groove. Two groups of springs are provided between the front wall of the handle block and the inner front wall of the sunken groove. Two connecting bars are fixedly connected to the rear wall of the handle block. One end of the two connecting bars away from the handle block penetrates through the inner rear wall of the sunken groove and extends to the rear side of the shielding door. The ends of the two connecting bars extending to the rear side of the shielding door are commonly fixedly connected to a connecting plate. The permanent magnet block is fixedly connected to the rear wall of the connecting plate.

[0009] Setting the opening structure inside the handle groove can play a role in concealment, avoiding accidental triggering by children. Adults can hold the handle block with one hand and pull the handle block forward, separating the permanent magnet block from the induction switch, causing the induction switch to generate a one-time opening signal. To further improve safety, preferably, the sum of the spring force and the adsorption force between the permanent magnet block and the induction switch is greater than 15 N.

[0010] By setting the sum of the elastic force and the adsorption force, a pressing force of 15 N is usually difficult for children to press, which can effectively prevent children from pulling the handle block, further improving the safety of the device and avoiding microwave leakage caused by accidental opening of the shielding door during the operation of the microwave module.

[0011] To improve the convenience of opening the door with one hand, preferably, the boosting structure includes two groups of hydraulic boosting rods. Installation holes communicating with the upper ends of the sliders are provided inside the two groups of sliders. The two groups of hydraulic boosting rods are respectively arranged inside one group of installation holes. The end portions of the extending shafts of the two groups of hydraulic boosting rods are fixedly connected to the inner upper wall of the sliding groove.

[0012] When the shielding door is held with one hand and lifted upward, the hydraulic assist rod can greatly reduce the opening difficulty and improve the convenience of use.

[0013] To avoid excessive change in the center of gravity of the device after the shielding door is opened, preferably, the sliding structure includes four groups of sliding rods and four groups of sliding holes. The four groups of sliding rods are fixedly connected to the rear wall of a group of sliders in pairs of two. The four groups of sliding holes are all arranged on the front wall of the microwave housing. One end of the four groups of sliding rods away from the slider is slidably connected to the inner side wall of a group of sliding holes. The ends of the sliding rods away from the slider are respectively provided with a front limit ring and a rear limit ring in the front-back distribution. A sliding sleeve is slidably connected to the outer wall of the sliding rod between the front limit ring and the rear limit ring. The outer wall of the sliding sleeve is slidably connected to the inner side wall of the sliding hole.

[0014] When opening the door, the shielding door first slides forward through the sliding structure, so that the part of the shielding door extending into the microwave cavity exits from the inside of the microwave cavity, and then the shielding door is slid upward through the sliding connection state between the slider and the sliding groove. This opening method makes the overall center of gravity of the device change little and will not tip over, improving the safety of device use; To avoid microwave leakage, preferably, the adsorption structure includes an electric telescopic rod, an electromagnet, and an adsorption block. An adsorption groove is arranged on the front wall of the microwave housing above the door opening structure. The electric telescopic rod is fixedly connected to the inner rear wall of the adsorption groove. The electromagnet is fixedly connected to the end of the extending shaft of the electric telescopic rod. The adsorption block is fixedly connected to the rear wall of the shielding door and corresponds to the position of the electromagnet.

[0015] When the microwave module works, the shielding door abuts against the microwave housing. The extending shaft of the electric telescopic rod extends, driving the electromagnet to abut against the adsorption block. After the electromagnet is energized, it generates strong magnetism to adsorb and fix the adsorption block and the shielding door, preventing the shielding door from being opened during the operation of the microwave module. When opening the door, after the induction switch sends a door opening signal once, the extending shaft of the electric telescopic rod retracts, driving the electromagnet to separate from the adsorption block, thus releasing the adsorption state and facilitating the opening of the shielding door.

[0016] To improve the use stability of the device, preferably, the weight structure is a weight block. A weight bin is arranged inside the base, and the weight block is fixedly connected to the inner lower wall of the weight bin.

[0017] By setting the weight block, the stability of the device is improved, and the situation of tipping over during use is avoided.

[0018] To facilitate the movement of the device, preferably, the rolling structure includes four groups of rollers. The four groups of rollers are all rotatably connected to the lower wall of the base. The four groups of rollers are respectively close to the four corners of the lower wall of the base. Two of the four groups of rollers on the rear side are both provided with brakes.

[0019] The device can be conveniently moved by four sets of rollers. Push the device to the appropriate position as needed, and then lock the rollers with the foot brake to fix the position of the device.

[0020] Preferably, an air outlet net is provided on the front wall of the heating housing, an air inlet window is provided on the rear wall of the heating housing, and heat dissipation windows are provided on both the left and right sides of the microwave housing.

[0021] The present invention provides a multifunctional electric heating and heating device that combines heating and microwave functions. It has the following beneficial effects: 1. Compared with the prior art, this multifunctional electric heating and heating device that combines heating and microwave functions combines mature electric heating and microwave technologies to simultaneously meet the diverse needs of users for heating and food heating, saving the space occupied by the device. Through function integration, safety improvement, and intelligent control of the control system, the product will become an ideal choice for homes and workplaces.

[0022] 2. Compared with the prior art, this multifunctional electric heating and heating device that combines heating and microwave functions has a shielding door configured to open forward first and then upward, which can effectively avoid the problem that the traditional front-opening method easily causes the center of gravity of the device to change and the device to tip over. Moreover, by setting a counterweight block for counterweight, the safety of opening and closing the shielding door is further improved.

[0023] 3. Compared with the prior art, this multifunctional electric heating and heating device that combines heating and microwave functions hides the door opening structure of the shielding door in the handle groove, which has a hidden effect. At the same time, the opening force of the switch structure [1] being opened is controlled by the spring force and the adsorption force between the permanent magnet block and the induction switch, effectively avoiding the situation where children accidentally touch and open it, and further improving the safety of the device. Adults can open the shielding door with one hand through the switch structure, which is very convenient. Description of the Drawings

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the back of the overall structure of the present invention; Figure 3 It is a partial cross-sectional view of the side of the connection structure of the base, rollers, and counterweight block of the present invention; Figure 4 It is a schematic diagram of the back of the connection structure of the shielding door, handle block, and permanent magnet block of the present invention; Figure 5 It is a partial cross-sectional view of the side of the connection structure of the microwave housing, shielding door, slider, hydraulic assist rod, and slide rod of the present invention; Figure 6 For the present invention Figure 5 The partial enlarged view at A in; Figure 7Schematic top view of the connection structure of the slider, hydraulic assist rod, sliding rod, and sliding sleeve of the present invention; Figure 8 Partial side sectional view of the shield door, microwave housing, door opening structure, and adsorption structure of the present invention.

[0025] Among them, 1. Base; 2. Heating housing; 3. Microwave housing; 4. Shield door; 5. Touch panel; 6. Air outlet grille; 7. Visual window; 8. Heat dissipation window; 9. Handle groove; 901. Sunk groove; 10. Roller; 11. Air inlet window; 12. Counterweight bin; 13. Counterweight block; 14. Sliding groove; 15. Lower limit block; 16. Handle block; 17. Connecting bar; 18. Connecting plate; 19. Permanent magnet block; 20. Spring; 21. Slider; 22. Upper limit block; 23. Hydraulic assist rod; 24. Sliding rod; 25. Front limit ring; 26. Rear limit ring; 27. Sliding sleeve; 28. Sliding hole; 29. Switch groove; 30. Inductive switch; 31. Adsorption groove; 32. Electric telescopic rod; 33. Electromagnet; 34. Adsorption block. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Embodiment: As Figures 1 to 8As shown in the figure, an embodiment of the present invention provides a multifunctional electric heating and heating device with both heating and microwave functions, including a base 1, an electric heating and heating module, a microwave module, a control system, and a power supply system. The electric heating and heating module includes a heating housing 2, a heating element, a heat dissipation element, and a temperature control element. The heating element, the heat dissipation element, and the temperature control element are all arranged inside the heating housing 2. The heating housing 2 is fixedly connected to the upper wall of the base 1. The microwave module includes a microwave housing 3, a shielding door 4, a magnetron, a waveguide element, and a microwave cavity. The microwave housing 3 is fixedly connected to the upper wall of the heating housing 2. The magnetron, the waveguide element, and the microwave cavity are all arranged inside the microwave housing 3. The shielding door 4 is arranged on the front side of the microwave housing 3. A boss extending into the microwave cavity to close the microwave cavity is also arranged on the rear wall of the shielding door 4. The control system includes a touch panel 5. The control system also includes an intelligent voice control program based on the Internet of Things commonly seen in the current market. The touch panel 5 is arranged on the top of the microwave housing 3. A visual window 7 is arranged on the inner wall of the shielding door 4. A bimetal mesh is arranged inside the visual window 7. An air outlet net 6 is arranged on the front wall of the heating housing 2. An air inlet window 11 is arranged on the rear wall of the heating housing 2. Heat dissipation windows 8 are arranged on both the left and right sides of the microwave housing 3. The heating element can be a very mature PTC ceramic heater on the market. As a mainstream electric heating technology, its positive temperature coefficient characteristic can achieve automatic constant temperature, with high safety, and the energy efficiency ratio is increased by more than 30% compared with traditional resistance wires. The magnetron can be a relatively mature variable-frequency magnetron on the market. Compared with the traditional fixed-frequency magnetron, the variable-frequency technology can save more than 20% of energy and achieve precise temperature control. The control system supports Wi-Fi connection and voice control, and can realize intelligent operation. By combining mature electric heating and microwave technologies, it can simultaneously meet the diverse needs of users for heating and food heating, save the space occupied by the device, and through function integration, safety improvement, and intelligent control of the control system, the product will become an ideal choice for families and office places; In order to facilitate opening the shielding door 4 with one hand, a handle groove 9 is provided on the lower wall of the shielding door 4 and at the center position from left to right. A sunken groove 901 is provided on the upper wall inside the handle groove 9. An opening structure is provided between the inside of the sunken groove 901 and the microwave housing 3. The opening structure includes a handle block 16, a permanent magnet block 19, and an induction switch 30. A switch groove 29 is provided on the front wall of the microwave housing 3 and near the lower wall. The induction switch 30 is fixedly connected to the rear wall inside the switch groove 29. The handle block 16 is slidably connected to the inner wall of the sunken groove 901. Two groups of springs 20 are provided between the front wall of the handle block 16 and the front inner wall of the sunken groove 901. Two groups of connecting bars 17 are fixedly connected to the rear wall of the handle block 16. One end of the two groups of connecting bars 17 away from the handle block 16 penetrates the rear wall inside the sunken groove 901 and extends to the rear side of the shielding door 4. The ends of the two groups of connecting bars 17 extending to the rear side of the shielding door 4 are jointly fixedly connected to a connecting plate 18. The permanent magnet block 19 is fixedly connected to the rear wall of the connecting plate 18. Setting the opening structure inside the handle groove 9 can play a role in concealment, avoiding accidental triggering by children. An adult can hold the handle block 16 with one hand and pull the handle block 16 forward, so that the permanent magnet block 19 is separated from the induction switch 30, causing the induction switch 30 to generate a primary opening signal; To further improve safety, the sum of the elastic force of the spring 20 and the adsorption force between the permanent magnet block 19 and the induction switch 30 is greater than 15 N. By setting the sum of the elastic force and the adsorption force, it can effectively prevent children from pulling the handle block 16, further improving the safety of the device and avoiding microwave leakage caused by accidental opening of the shielding door 4 during the operation of the microwave module; To avoid excessive change in the center of gravity of the device after the shielding door 4 is opened, sliding grooves 14 are provided on the rear wall of the shielding door 4 and near both left and right sides. The inner wall of the sliding groove 14 is slidably connected to a slider 21. An upper limit block 22 is provided on the front wall of the slider 21 and near the upper end. A lower limit block 15 is provided on the front inner wall of the sliding groove 14 and near the lower opening. When opening the door, the shielding door 4 first slides forward through the sliding structure, so that the part of the shielding door 4 extending into the microwave cavity withdraws from the inside of the microwave cavity, and then the shielding door 4 is slid upward through the sliding connection state between the slider 21 and the sliding groove 14. This opening method makes the overall center of gravity of the device change little and will not tip over, improving the safety of device use; To improve the convenience of opening the door with one hand, an assisting structure for assisting the shielding door 4 to rise is provided between the slider 21 and the shielding door 4. The assisting structure includes two groups of hydraulic assisting rods 23. Installation holes communicating with the upper end of the slider 21 are provided inside the two groups of sliders 21. The two groups of hydraulic assisting rods 23 are respectively arranged inside one group of installation holes. The end parts of the extending shafts of the two groups of hydraulic assisting rods 23 are fixedly connected to the upper inner wall of the sliding groove 14. When opening the shielding door 4 upward with one hand supported, the assistance of the hydraulic assisting rods 23 can greatly reduce the opening difficulty and improve the convenience of use; To facilitate the exit of the boss on the rear wall of the shielding door 4 from the microwave cavity when opening the door, a sliding structure for the front and back sliding of the shielding door 4 is provided between the slider 21 and the microwave housing 3. The sliding structure includes four groups of slide bars 24 and four groups of sliding holes 28. The four groups of slide bars 24 are fixedly connected in pairs on the rear wall of a group of sliders 21. The four groups of sliding holes 28 are all arranged on the front wall of the microwave housing 3. The ends of the four groups of slide bars 24 away from the slider 21 are respectively slidably connected to the inner side walls of a group of sliding holes 28. The ends of the slide bars 24 away from the slider 21 are respectively provided with a front limit ring 25 and a rear limit ring 26 in the front and back distribution. A sliding sleeve 27 is slidably connected to the outer wall of the slide bar 24 between the front limit ring 25 and the rear limit ring 26. The outer wall of the sliding sleeve 27 is slidably connected to the inner side wall of the sliding hole 28. The slider 21 is slidably connected to the sliding hole 28 through the slide bar 24 and the sliding sleeve 27, which can provide guidance for the front and back movement of the shielding door 4 and facilitate the entry and exit of the boss on the rear wall of the shielding door 4 into and out of the microwave cavity; To avoid microwave leakage, an adsorption structure for sucking the shielding door 4 to avoid microwave leakage when the microwave module is working is provided between the shielding door 4 and the microwave housing 3. The adsorption structure includes an electric telescopic rod 32, an electromagnet 33 and an adsorption block 34. An adsorption groove 31 is arranged on the front wall of the microwave housing 3 and above the door opening structure. The electric telescopic rod 32 is fixedly connected to the inner rear wall of the adsorption groove 31. The electromagnet 33 is fixedly connected to the end of the extending shaft of the electric telescopic rod 32. The adsorption block 34 is fixedly connected to the rear wall of the shielding door 4 and corresponds to the position of the electromagnet 33. When the microwave module is working, the shielding door 4 abuts against the microwave housing 3. The extending shaft of the electric telescopic rod 32 extends, driving the electromagnet 33 to abut against the adsorption block 34. After the electromagnet 33 is energized, it generates strong magnetism to adsorb and fix the adsorption block 34 and the shielding door 4, avoiding the shielding door 4 being opened during the operation of the microwave module. When opening the door, after the induction switch 30 issues a door opening signal once, the extending shaft of the electric telescopic rod 32 retracts, driving the electromagnet 33 to separate from the adsorption block 34, thereby releasing the adsorption state and facilitating the opening of the shielding door 4; To improve the use stability of the device, a weight structure for counterweight to avoid the device from tipping over is arranged inside the base 1. The weight structure is a weight block 13. A weight bin 12 is arranged inside the base 1. The weight block 13 is fixedly connected to the inner lower wall of the weight bin 12. By setting the weight block 13, the stability of the device is improved and the situation of tipping over during use is avoided; To facilitate the movement of the device, a rolling structure for facilitating the movement of the device is arranged at the bottom of the base 1. The rolling structure includes four groups of rollers 10. The four groups of rollers 10 are all rotatably connected to the lower wall of the base 1. The four groups of rollers 10 are respectively close to the four corners of the lower wall of the base 1. Two of the four groups of rollers 10 on the rear side are provided with foot brakes. Through the four groups of rollers 10, the device can be conveniently moved. The device can be pushed to a suitable position according to needs, and then the rollers 10 are locked by the foot brakes to fix the position of the device.

[0028] Working principle: By combining mature electric heating and microwave technologies, it can meet the diverse needs of users for heating and food warming while saving the space occupied by the device. Through function integration, safety improvement, and intelligent control of the control system, the product will become an ideal choice for homes and workplaces; the door opening structure is arranged inside the handle groove 9, which can play a concealed role to prevent children from accidentally triggering it. An adult can hold the handle block 16 with one hand and pull the handle block 16 forward, causing the permanent magnet block 19 to separate from the induction switch 30, generating a primary door opening signal from the induction switch 30; by setting the total sum of the elastic force and adsorption force, it can effectively prevent children from pulling the handle block 16, further enhancing the safety of the device and avoiding microwave leakage caused by the shielding door 4 being accidentally opened during the operation of the microwave module; when opening the door, the shielding door 4 first slides forward through the sliding structure, causing the part of the shielding door 4 extending into the microwave cavity to withdraw from the microwave cavity, and then slides the shielding door 4 upward through the sliding connection state between the slider 21 and the sliding groove 14. This opening method results in little change in the overall center of gravity of the device and prevents it from tipping over, improving the safety of device use; when holding the shielding door 4 with one hand and lifting it upward, the hydraulic assist rod 23 provides assistance, greatly reducing the opening difficulty and improving the convenience of use; the slider 21 is slidably connected to the sliding hole 28 through the slide rod 24 and the sliding sleeve 27, which can provide guidance for the forward and backward movement of the shielding door 4, facilitating the protrusion on the rear wall of the shielding door 4 to enter and exit the microwave cavity; when the microwave module is operating, the shielding door 4 abuts against the microwave housing 3, the extending shaft of the electric telescopic rod 32 extends, driving the electromagnet 33 to abut against the adsorption block 34. After the electromagnet 33 is energized, it generates a strong magnetic force to adsorb and fix the adsorption block 34 and the shielding door 4, preventing the shielding door 4 from being opened during the operation of the microwave module. When opening the door, after the induction switch 30 issues a primary door opening signal, the extending shaft of the electric telescopic rod 32 retracts, driving the electromagnet 33 to separate from the adsorption block 34, thus releasing the adsorption state and facilitating the opening of the shielding door 4; by setting the counterweight block 13, the stability of the device is improved, preventing it from tipping over during use; through the four sets of rollers 10, the device can be conveniently moved. Push the device to the appropriate position as needed, and then lock the rollers 10 with the foot brake to fix the position of the device.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional electric heating and heating device with both heating and microwave functions, characterized in that: It includes a base (1), an electric heating heating module, a microwave module, a control system and a power supply system. The electric heating heating module includes a heating housing (2), a heating element, a heat dissipation element and a temperature control element. The heating element, the heat dissipation element and the temperature control element are all arranged inside the heating housing (2). The heating housing (2) is fixedly connected to the upper wall of the base (1). The microwave module includes a microwave housing (3), a shielding door (4), a magnetron, a waveguide element and a microwave cavity. The microwave housing (3) is fixedly connected to the upper wall of the heating housing (2). The magnetron, the waveguide element and the microwave cavity are all arranged inside the microwave housing (3). The shielding door (4) is arranged on the front side of the microwave housing (3). The control system includes a touch panel (5). The touch panel (5) is arranged on the top of the microwave housing (3). A counterweight structure for counterweight to prevent the device from tipping over is arranged inside the base (1). A rolling structure for facilitating the movement of the device is arranged at the bottom of the base (1). A visual window (7) is arranged on the inner wall of the shielding door (4). A bimetallic mesh is arranged inside the visual window (7).

2. The multifunctional electric heating and heating device with both heating and microwave functions according to claim 1, characterized in that: A handle groove (9) is arranged on the lower wall of the shielding door (4) and at the left-right center position. A sunk groove (901) is arranged on the inner upper wall of the handle groove (9). An opening structure is arranged between the inside of the sunk groove (901) and the microwave housing (3). Sliding grooves (14) are arranged on the rear wall of the shielding door (4) and close to both left and right sides. A slider (21) is slidably connected to the inner side wall of the sliding groove (14). An upper limit block (22) is arranged on the front wall of the slider (21) and close to the upper end position. A lower limit block (15) is arranged on the inner front wall of the sliding groove (14) and close to the lower opening position. A boosting structure for assisting the shielding door (4) to rise is arranged between the slider (21) and the shielding door (4). A sliding structure for the shielding door (4) to slide back and forth is arranged between the slider (21) and the microwave housing (3). An adsorption structure for sucking the shielding door (4) to prevent microwave leakage when the microwave module works is arranged between the shielding door (4) and the microwave housing (3).

3. The multifunctional electric heating and heating device with both heating and microwave functions according to claim 2, characterized in that: The opening structure includes a handle block (16), a permanent magnet block (19) and an induction switch (30). A switch groove (29) is arranged on the front wall of the microwave housing (3) and close to the lower wall. The induction switch (30) is fixedly connected to the inner rear wall of the switch groove (29). The handle block (16) is slidably connected to the inner side wall of the sunk groove (901). Two groups of springs (20) are arranged between the front wall of the handle block (16) and the inner front wall of the sunk groove (901). Two groups of connecting bars (17) are fixedly connected to the rear wall of the handle block (16). One ends of the two groups of connecting bars (17) far away from the handle block (16) penetrate through the inner rear wall of the sunk groove (901) and extend to the rear side of the shielding door (4). The ends of the two groups of connecting bars (17) extending to the rear side of the shielding door (4) are jointly fixedly connected to a connecting plate (18). The permanent magnet block (19) is fixedly connected to the rear wall of the connecting plate (18).

4. The multifunctional electric heating and heating device with both heating and microwave functions according to claim 3, characterized in that: The sum of the elastic force of the spring (20) and the adsorption force between the permanent magnet block (19) and the induction switch 30 is greater than 15 N.

5. The multifunctional electric heating and heating device with both heating and microwave functions according to claim 4, characterized in that: The boosting structure includes two sets of hydraulic boosting rods (23). Installation holes communicating with the upper ends of the sliders (21) are arranged inside both sets of the sliders (21). The two sets of the hydraulic boosting rods (23) are respectively arranged inside one set of the installation holes, and the end parts of the extending shafts of the two sets of the hydraulic boosting rods (23) are fixedly connected to the inner upper wall of the sliding groove (14).

6. The multifunctional electric heating and heating device with both heating and microwave functions according to claim 5, characterized in that: The sliding structure includes four sets of sliding rods (24) and four sets of sliding holes (28). The four sets of the sliding rods (24) are pairwise fixedly connected to the rear walls of one set of the sliders (21). The four sets of the sliding holes (28) are all arranged on the front wall of the microwave housing (3). The ends of the four sets of the sliding rods (24) far from the sliders (21) are respectively slidably connected to the inner side walls of one set of the sliding holes (28). Front limiting rings (25) and rear limiting rings (26) are respectively arranged at the front and rear of the ends of the sliding rods (24) far from the sliders (21). A sliding sleeve (27) is slidably connected between the front limiting ring (25) and the rear limiting ring (26) on the outer wall of the sliding rod (24), and the outer wall of the sliding sleeve (27) is slidably connected to the inner side wall of the sliding hole (28).

7. A multifunctional electric heating and heating device with both heating and microwave functions according to claim 6, characterized in that: The adsorption structure includes an electric telescopic rod (32), an electromagnet (33) and an adsorption block (34). An adsorption groove (31) is arranged on the front wall of the microwave housing (3) and above the door opening structure. The electric telescopic rod (32) is fixedly connected to the inner rear wall of the adsorption groove (31). The electromagnet (33) is fixedly connected to the end part of the extending shaft of the electric telescopic rod (32). The adsorption block (34) is fixedly connected to the rear wall of the shielding door (4) and corresponds to the position of the electromagnet (33).

8. A multifunctional electric heating and heating device with both heating and microwave functions according to claim 7, characterized in that: The counterweight structure is a counterweight block (13). A counterweight bin (12) is arranged inside the base (1), and the counterweight block (13) is fixedly connected to the inner lower wall of the counterweight bin (12).

9. The multifunctional electric heating and heating device with both heating and microwave functions according to claim 8, characterized in that: The rolling structure includes four sets of rollers (10). The four sets of the rollers (10) are all rotatably connected to the lower wall of the base (1). The four sets of the rollers (10) are respectively close to the four corner positions of the lower wall of the base (1), and foot brakes are arranged on the two sets of the rollers (10) at the rear side.

10. A multifunctional electric heating and heating device with both heating and microwave functions according to claim 9, characterized in that: An air outlet net (6) is arranged on the front wall of the heating housing (2), an air inlet window (11) is arranged on the rear wall of the heating housing (2), and heat dissipation windows (8) are arranged on both the left and right sides of the microwave housing (3).

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