阅读说明：本技术 一种感应电烤箱 (Induction electric oven ) 是由 郝明君 于 2019-11-18 设计创作，主要内容包括：本发明公开了一种感应电烤箱,它包括在箱体1里面的隔板3将箱体1分割为主箱体8和副箱体7两部分,箱体1的顶部设置有箱体通气孔13,隔板3上设置有穿越电缆的孔,主箱体8前面设置有向下开启主箱体门9,主箱体门9上方设置有门拉手12。副箱体7前面设置有控制显示屏6,副箱体7侧面设置有向外侧开启的副箱体门4,副箱体7里面设置有变频及电气控制装置5,主箱体8里面设置有框架10,在框架10上面设置有感应加热筒11和固定封闭板2。本发明应用高频电磁感应加热的方式提供了一种电功率消耗较小、加热速度快、加热空间小、热损失小、体积小、用于食品烤制的感应电烤箱。(The invention discloses an induction electric oven, which comprises a box body 1 divided into a main box body 8 and an auxiliary box body 7 by a partition plate 3 in the box body 1, wherein the top of the box body 1 is provided with a box body vent hole 13, the partition plate 3 is provided with a hole for passing through a cable, the front of the main box body 8 is provided with a downward opening main box body door 9, and a door handle 12 is arranged above the main box body door 9. The front of the auxiliary box body 7 is provided with a control display screen 6, the side surface of the auxiliary box body 7 is provided with an auxiliary box body door 4 which is opened outwards, a frequency conversion and electrical control device 5 is arranged in the auxiliary box body 7, a frame 10 is arranged in the main box body 8, and an induction heating cylinder 11 and a fixed sealing plate 2 are arranged on the frame 10. The invention provides the induction electric oven which is used for baking food, has the advantages of low electric power consumption, high heating speed, small heating space, small heat loss and small volume by applying a high-frequency electromagnetic induction heating mode.)

1. The utility model provides an induction electric oven, it includes box, frequency conversion and electrical control device, its characterized in that: a plurality of induction heating cylinders are arranged in the box body, each induction heating cylinder is composed of a non-metal cylinder body, an induction coil and a magnetic conduction steel plate food mold, a plurality of single-phase induction coils are wound outside the cylinder body, a plurality of removable magnetic conduction steel plate food molds are arranged inside the cylinder body corresponding to the positions of the single-phase induction coils, a plurality of ferrite magnetic strips are arranged outside the single-phase induction coil, the plurality of induction heating barrels are horizontally arranged and are arranged in the box body in parallel, the induction heating barrels can be arranged in a row in the box body, the induction heating barrels can also be arranged in a plurality of rows in layers in the box body, a fixed sealing device is arranged at the mouth of one side of the induction heating cylinders, a device which can be opened or closed is arranged at the mouth of the other side of the induction heating cylinders, or the openings at the two sides of the induction heating cylinders are provided with devices which can be opened and closed.

2. An induction electric oven comprises a box body, a frequency conversion and electrical control device, wherein a plurality of induction heating cylinders are arranged in the box body, each induction heating cylinder is composed of a non-metal cylinder body, induction coils and a magnetic conduction steel plate food mold, a plurality of single-phase induction coils are wound outside the cylinder body, a plurality of movable magnetic conduction steel plate food molds are arranged inside the cylinder body corresponding to the positions of the single-phase induction coils, a plurality of ferrite magnetic strips are arranged outside the single-phase induction coils, the induction heating cylinders are horizontally arranged and are arranged in the box body in parallel, the induction heating cylinders can be arranged in a row in the box body, the induction heating cylinders can also be arranged in multiple rows in the box body in a layered mode, a fixed closing device is arranged at one side cylinder openings of the induction heating cylinders, and an opening and closing device is arranged at the other side cylinder openings of the induction heating cylinders, or a plurality of induction heating section of thick bamboo both sides nozzle all is provided with and both can open and can closing device, its characterized in that: the induction heating device comprises a box body, a plurality of induction heating barrels and a plurality of induction heating coils, wherein the box body is internally provided with a plurality of induction heating barrels, the induction heating barrels are internally provided with a plurality of induction heating coils, the induction heating coils are arranged in the box body in a row or in a layered mode, the induction heating barrels are arranged in the box body in a corresponding position, the induction heating coils are connected in series, the induction heating barrels are arranged in the box body in a corresponding position, the induction heating coils are arranged in the box body in a layered mode, the induction heating barrels are arranged in the corresponding position, and the single-phase induction coils are connected in series.

3. The induction electric oven of claim 1, wherein: the non-metal cylinder of the induction heating cylinder is made of ceramic materials or toughened glass, the cross section of the cylinder is rectangular, a plurality of vent holes are formed in the cylinder, two cylinder openings of the cylinder are in an open state, the single-phase induction coil is provided with two wire outlet ends, the magnetic conduction steel plate food mold is composed of a lower mold and an upper cover, and a gap is reserved between the lower mold and the upper cover of the food mold.

4. The induction electric oven of claim 1, wherein: the box is made with corrosion resistant plate, the inside baffle that sets up of box is with the inside two parts of cutting apart into mutual confined of box, the inside part of cutting apart the back of box is main box another part for vice box, the inside a plurality of induction heating section of thick bamboo that is provided with layering horizontal arrangement of main box, a plurality of induction heating section of thick bamboo of layering arrangement are fixed to be set up on the inside stainless steel frame of main box, set up the preceding door of outwards opening of main box will the preceding nozzle of a plurality of induction heating section of thick bamboos seals, a plurality of induction heating section of thick bamboo nozzles behind is provided with fixed closing plate, perhaps the main box is preceding and all be provided with the door that outwards opens at the back will the preceding and rear nozzle of a plurality of induction heating section of thick bamboos seals, be provided with the foot pad below the box.

5. The induction electric oven of claim 1, wherein: the air inlet is arranged at the lower part or the bottom of the main box body, the vent hole or the exhaust fan is arranged at the upper part or the top of the main box body, a hole for passing through a cable is arranged on a partition plate between the main box body and the auxiliary box body, and the vent hole is arranged on the auxiliary box body.

6. The induction electric oven of claim 1, wherein: the frequency conversion and electrical control device is arranged in the auxiliary box body, the surface of the auxiliary box body is provided with an operating switch, a display instrument, a signal indicator lamp and an audible and visual alarm, or the surface of the auxiliary box body is provided with a control display screen.

7. The induction electric oven of claim 1, wherein: the frequency conversion and electric control device is composed of a frequency conversion device and an electric control device, wherein the frequency conversion device is a high-frequency alternating current power supply device which converts a power frequency alternating current power supply with the frequency of 50 Hz into the frequency of 20 kHz-30 kHz through an electronic frequency conversion mode, and the electric control device is a device composed of a wiring terminal, an air switch, an electric appliance and an electronic element, an operation switch, a display instrument, a signal indicator lamp and an audible and visual alarm, or the electric control device is a device composed of a wiring terminal, an air switch, an electric appliance and an electronic element and a control display screen.

8. The induction electric oven of claim 1, wherein: the main box body door is a hexahedral sealing door made of a stainless steel plate, or the main box body door is made of a stainless steel plate door frame and a toughened glass panel, and a cable inlet hole and a grounding bolt are arranged below the auxiliary box body.

9. The induction electric oven of claim 2, wherein: the plurality of single-phase induction coils arranged on the plurality of induction heating barrels in the row are electrically connected in series and in parallel, and two joints are reserved.

Technical Field

The invention relates to the technical field of induction heating, in particular to an induction electric oven for baking food.

Background

In the existing food electric oven, a resistance type electrothermal tube oven is adopted. Because the electrothermal tube oven heats the food mold, the food to be baked in the food mold and the inner space of the electrothermal tube oven simultaneously in the process of baking the food, the time for the temperature in the oven to rise to the required temperature is longer, the heat loss is larger, and the electrothermal tube oven has larger electric power consumption and larger volume.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the induction electric oven for baking the food has the advantages of small electric power consumption, high heating speed, small heating space, small heat loss and small volume; the invention also provides a circuit for connecting the plurality of single-phase induction coils on the plurality of induction heating cylinders in series and in parallel, so that the plurality of single-phase induction coils can ensure that all baked foods have the same effect in the baking process at the same time.

The technical problem to be solved by the invention is realized by the following technical scheme:

the utility model provides an induction electric oven, it includes box, frequency conversion and electrical control device, its characterized in that: a plurality of induction heating cylinders are arranged in the box body, each induction heating cylinder is composed of a non-metal cylinder body, an induction coil and a magnetic conduction steel plate food mold, a plurality of single-phase induction coils are wound outside the cylinder body, a plurality of removable magnetic conduction steel plate food molds are arranged inside the cylinder body corresponding to the positions of the single-phase induction coils, a plurality of ferrite magnetic strips are arranged outside the single-phase induction coil, the plurality of induction heating barrels are horizontally arranged and are arranged in the box body in parallel, the induction heating barrels can be arranged in a row in the box body, the induction heating barrels can also be arranged in a plurality of rows in layers in the box body, a fixed sealing device is arranged at the mouth of one side of the induction heating cylinders, a device which can be opened or closed is arranged at the mouth of the other side of the induction heating cylinders, or the openings at the two sides of the induction heating cylinders are provided with devices which can be opened and closed.

An induction electric oven comprises a box body, a frequency conversion and electrical control device, wherein a plurality of induction heating cylinders are arranged in the box body, each induction heating cylinder is composed of a non-metal cylinder body, induction coils and a magnetic conduction steel plate food mold, a plurality of single-phase induction coils are wound outside the cylinder body, a plurality of movable magnetic conduction steel plate food molds are arranged inside the cylinder body corresponding to the positions of the single-phase induction coils, a plurality of ferrite magnetic strips are arranged outside the single-phase induction coils, the induction heating cylinders are horizontally arranged and are arranged in the box body in parallel, the induction heating cylinders can be arranged in a row in the box body, the induction heating cylinders can also be arranged in multiple rows in the box body in a layered mode, a fixed closing device is arranged at one side cylinder openings of the induction heating cylinders, and an opening and closing device is arranged at the other side cylinder openings of the induction heating cylinders, or a plurality of induction heating section of thick bamboo both sides nozzle all is provided with and both can open and can closing device, its characterized in that: the induction heating device comprises a box body, a plurality of induction heating barrels and a plurality of induction heating coils, wherein the box body is internally provided with a plurality of induction heating barrels, the induction heating barrels are internally provided with a plurality of induction heating coils, the induction heating coils are arranged in the box body in a row or in a layered mode, the induction heating barrels are arranged in the box body in a corresponding position, the induction heating coils are connected in series, the induction heating barrels are arranged in the box body in a corresponding position, the induction heating coils are arranged in the box body in a layered mode, the induction heating barrels are arranged in the corresponding position, and the single-phase induction coils are connected in series.

The non-metal cylinder of the induction heating cylinder is made of ceramic materials or toughened glass, the cross section of the cylinder is rectangular, a plurality of exhaust holes are formed in the cylinder, two cylinder openings of the cylinder are in an open state, the single-phase induction coil is provided with two wire outlet ends, the magnetic conduction steel plate food mold is composed of a lower mold and an upper cover, and a gap is reserved between the lower mold and the upper cover of the food mold.

The box is made with corrosion resistant plate, the inside baffle that sets up of box is with the inside two parts of cutting apart into mutual confined of box, the inside part of cutting apart the back of box is main box another part for vice box, the inside a plurality of induction heating section of thick bamboo that is provided with layering horizontal arrangement of main box, a plurality of induction heating section of thick bamboo of layering arrangement are fixed to be set up on the inside stainless steel frame of main box, set up the preceding door of outwards opening of main box will the preceding nozzle of a plurality of induction heating section of thick bamboos seals, a plurality of induction heating section of thick bamboo nozzles behind is provided with fixed closing plate, perhaps the main box is preceding and all be provided with the door that outwards opens at the back will the preceding and rear nozzle of a plurality of induction heating section of thick bamboos seals, be provided with the foot pad below the box.

The air inlet is arranged at the lower part or the bottom of the main box body, the vent hole or the exhaust fan is arranged at the upper part or the top of the main box body, a hole for passing through a cable is arranged on a partition plate between the main box body and the auxiliary box body, and the vent hole is arranged on the auxiliary box body.

The frequency conversion and electrical control device is arranged in the auxiliary box body, the surface of the auxiliary box body is provided with an operating switch, a display instrument, a signal indicator lamp and an audible and visual alarm, or the surface of the auxiliary box body is provided with a control display screen.

The frequency conversion and electric control device consists of a frequency conversion device and an electric control device, wherein the frequency conversion device is a high-frequency alternating current power supply device which converts a power frequency alternating current power supply with the frequency of 50 Hz into the frequency of 20 kHz-30 kHz in an electronic frequency conversion mode, and the electric control device consists of a wiring terminal, an air switch, an electric appliance and an electronic element, an operation switch, a display instrument, a signal indicator lamp and an audible and visual alarm, or the electric control device consists of a wiring terminal, an air switch, an electric appliance and an electronic element and a control display screen.

The main box body door is a hexahedral sealing door made of a stainless steel plate, or the main box body door is made of a stainless steel plate door frame and a toughened glass panel, and a cable inlet hole and a grounding bolt are arranged below the auxiliary box body.

The plurality of single-phase induction coils arranged on the induction heating cylinder in the row are connected in series and in parallel, and then two joints are reserved.

The induction electric oven has the following beneficial effects after being compared with the electrothermal tube oven:

the induction electric oven applies the high-frequency current sent by the frequency conversion device to the induction coil on the induction heating cylinder, and the magnetic conduction steel plate food mold arranged in the induction heating cylinder is rapidly heated under the action of high-frequency electromagnetic induction, and the food mold with the upper cover is wholly heated to directly bake food placed in the mold, so that the baking efficiency is higher, the space in the induction heating cylinder is only provided with a small amount of gaps except the food mold, the heat loss is smaller, and the whole volume of the induction electric oven is smaller than that of an electrothermal tube oven with the same electric power by more than 40%.

In conclusion, compared with the electrothermal tube oven, the induction electric oven has the advantages of small volume, high heating speed, high efficiency and energy conservation.

Drawings

FIG. 1 is a schematic overall view of an induction electric oven of the present invention;

FIG. 2 is a schematic sectional front view of an embodiment of an induction heating cartridge in an induction oven according to the present invention;

FIG. 3 is a schematic diagram of a series and parallel connection of a plurality of single-phase induction coils on a plurality of induction heating cartridges arranged in a row in a transverse direction in an induction electric oven according to the present invention;

in the figure: 1. case body 2, fixed closing plate 3 and partition plate

4. Auxiliary box door 5, frequency conversion and electric control device 6 and control display screen

7. Auxiliary box body 8, main box body 9 and main box body door

10. Frame 11, induction heating cylinder 12, door handle

13. Box body vent hole 14, induction heating cylinder vent hole 15 and induction heating cylinder body

16. Induction coil 17, heat insulation board 18, ferrite magnetic stripe

19. Food mold upper cover 20, food mold lower mold 21 and 1# induction heating cylinder

22. 2# induction heating cylinder 23, 3# induction heating cylinder

24. 1# induction coil 25, 2# induction coil 26, 3# induction coil

27. 4# induction coil 28, 5# induction coil 29, 6# induction coil

30. 7# induction coil 31, 8# induction coil 32, 9# induction coil

33. 1# connector lug 34 and 2# connector lug

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

FIG. 1 is a schematic view of an induction electric oven; FIG. 2 is a schematic sectional front view of an embodiment of an induction heating cartridge in an induction electric oven; the induction electric oven is characterized in that a partition plate 3 made of a stainless steel plate is arranged in a box body 1 made of the stainless steel plate in the overall schematic diagram to divide the box body 1 into a main box body 8 and an auxiliary box body 7, a box body vent hole 13 is formed in the top of the box body 1, a hole penetrating through a cable is formed in the partition plate 3, a main box body door 9 which is opened downwards is arranged in front of the main box body 8, and a door handle 12 is arranged above the main box body door 9. A control display screen 6 is arranged in front of the auxiliary box body 7, an auxiliary box body door 4 which is opened outwards is arranged on the side surface of the auxiliary box body 7, and a frequency conversion and electrical control device 5 is arranged in the auxiliary box body 7. A frame 10 made of stainless steel is arranged in the main box body 8, and an induction heating cylinder 11 and a fixed closing plate 2 are arranged on the frame 10. In the schematic sectional view of the main view of the embodiment of the induction heating cylinder of the induction electric oven, 3 induction coils 16 with the same parameters are wound on a cylinder body 15 of the induction heating cylinder, a heat insulation plate 17 is arranged below the induction coils 16, the heat insulation plate 17 isolates heat in the induction heating cylinder on the cylinder body 15 of the induction heating cylinder, a ferrite magnetic stripe 18 is arranged on the induction coils 16, a lower food mold 20 and an upper food mold 19 are arranged in the cylinder body 15 of the induction heating cylinder corresponding to the induction coils 16, a 2-3 mm ventilation gap is reserved between the lower food mold 20 and the upper food mold 19, and ventilation holes 14 of the induction heating cylinder are arranged on the cylinder body 15 of the induction heating cylinder. The induction heating cylinders 11 in the main box body 8 are arranged on the frame 10 in three layers, 3 induction heating cylinders 11 are arranged in parallel on each layer, all the induction heating cylinders 11 arranged on the frame 10 have the same size specification, and the number and the positions of the induction coils 16 wound on each induction heating cylinder 11 are the same. The front mouths of the induction heating cylinders 11 arranged on the frame 10 are all arranged on the same vertical plane, when the main box body door 9 is opened, the lower food mold die 20 and the upper food mold cover 19 can move in or out from the front mouths of the induction heating cylinders 11, when the main box body door 9 is closed, the front mouths of the induction heating cylinders 11 are sealed, and the rear mouths of the induction heating cylinders 11 are sealed by the fixed sealing plate 2.

In the schematic circuit diagram of the series connection and the parallel connection of the plurality of single-phase induction coils on the plurality of induction heating cartridges arranged in a row in the transverse direction in the induction electric oven of fig. 3, the # 1 induction heating cartridge 21, the # 2 induction heating cartridge 22 and the # 3 induction heating cartridge 23 are arranged in a row in sequence in the transverse direction. One end of the No. 1 induction coil 24 on the No. 1 induction heating cylinder 21 is connected with one end of the No. 2 induction coil 25 on the No. 2 induction heating cylinder 22 in series, the other end of the No. 2 induction coil 25 on the No. 2 induction heating cylinder 22 is connected with one end of the No. 3 induction coil 26 on the No. 3 induction heating cylinder 23 in series, and the No. 1 induction coil 24, the No. 2 induction coil 25 and the No. 3 induction coil 26 are connected in series to form a single-phase induction coil series group. One end of the No. 4 induction coil 27 on the No. 1 induction heating cylinder 21 is connected with one end of the No. 5 induction coil 28 on the No. 2 induction heating cylinder 22 in series, the other end of the No. 5 induction coil 28 on the No. 2 induction heating cylinder 22 is connected with one end of the No. 6 induction coil 29 on the No. 3 induction heating cylinder 23 in series, and the No. 4 induction coil 27, the No. 5 induction coil 28 and the No. 6 induction coil 29 are connected in series to form a single-phase induction coil series group. One end of the 7# induction coil 30 on the 1# induction heating cylinder 21 is connected in series with one end of the 8# induction coil 31 on the 2# induction heating cylinder 22, the other end of the 8# induction coil 31 on the 2# induction heating cylinder 22 is connected in series with one end of the 9# induction coil 32 on the 3# induction heating cylinder 23, and the 7# induction coil 30, the 8# induction coil 31 and the 9# induction coil 32 are connected in series to form a single-phase induction coil series group.

One end of the 1# induction coil 24, the 2# induction coil 25 and the 3# induction coil 26 left by the 1# induction coil 24 and one end of the 4# induction coil 27, the 5# induction coil 28 and the 6# induction coil 29 left by the 4# induction coil 27 and one end of the 7# induction coil 30, the 8# induction coil 31 and the 9# induction coil 32 left by the 7# induction coil 30 are connected in parallel to form a 1# joint 33 in a parallel connection circuit for connecting the plurality of single-phase induction coils in series on the plurality of induction heating cylinders arranged in the row;

one end of the 1# induction coil 24, the 2# induction coil 25 and the 3# induction coil 26 left by the 3# induction coil 26 in the series connection group of the 1# induction coils, the 5# induction coil 28 and the 6# induction coil 29 left by the 6# induction coil 29 in the series connection group of the 4# induction coils, the 5# induction coil 28 and the 6# induction coil 29 and one end of the 7# induction coil 30, the 8# induction coil 31 and the 9# induction coil 32 left by the 9# induction coil 32 in the series connection group of the single phase induction coils are connected in parallel to form a 2# connector 34 in a circuit for connecting the plurality of single phase induction coils in series and in parallel on the plurality of induction heating cylinders arranged in a row;

the frequency conversion and electric control device 5 applies a high-frequency current to the # 1 contact 33 and the # 2 contact 34, and rapidly heats the food mold upper covers 19 and the food mold lower molds 20 inside the plurality of induction heating cylinders 11 under high-frequency electromagnetic induction to finish the baking of the food inside the food molds. The induction electric oven performs food induction heating baking through the series connection of the single-phase induction coils and the parallel connection circuit, so that the food in the food molds has the same effect after being baked.