Efficient and uniform-heating oven

Abstract

The utility model discloses an efficient and even heating oven, which relates to the technical field of ovens, and comprises an oven body, an electric heating plate used for contact type heating is mounted at the inner bottom of the oven body, an upper heating assembly used for radiation and heat convection heating is mounted at the inner top of the oven body, an oven tray is placed in the oven body, and a lower heating assembly used for radiation and heat convection heating is mounted at the inner top of the oven body. An opening of the baking tray faces upwards, the bottom of the baking tray makes contact with the electric heating tray, the upper heating assembly comprises an assembling frame, a plurality of strip-shaped open holes are formed in the lower surface of the assembling frame, an electric heating radiation pipe is installed in the assembling frame, a cover plate is installed above the assembling frame, and a second temperature sensor is installed on the outer wall of the cover plate. The problems that when an existing oven is used, although the temperature rising efficiency is improved through a graphene coating, heat needs to be blown to food through a fan after temperature rising, in the process, heating is conducted completely depending on gas convection generated by the fan, and the efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oven technical field, concretely is a kind of high efficiency and even heating oven. BACKGROUND

[0002] Electric oven is a kind of kitchen appliance by electric heating element generates heat, and then cooking food in enclosed space. It can accurately control temperature and time, so that food even heating, retain the original taste and nutrition of food. Electric oven usually has baking, roasting, oven barbecue and other multiple functions, suitable for preparing various food.

[0003] Publication No. CN217243862U, named "a kind of oven", including oven body and heating pipe, heating pipe is located in oven body, for heating the food in oven body, heating pipe includes high-temperature-resistant insulating tube, graphene coating, positive pole ear and negative pole ear, graphene coating is coated on the inner wall of high-temperature-resistant insulating tube, graphene coating can be heated, positive pole ear and negative pole ear are respectively arranged at the two ends of high-temperature-resistant insulating tube and are connected with graphene coating, positive pole ear and negative pole ear can be connected with external power supply by lead wire. In the above oven, it also includes fan, fan is used to blow the heat generated by graphene coating to the food in oven.

[0004] The above existing oven when using, although it improves the heating efficiency by graphene coating, but it needs to blow heat to food by fan after heating, in this process, completely rely on fan to make gas convection heating, efficiency is low;Therefore, it does not meet the existing demand, and a kind of high efficiency and even heating oven is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high efficiency and even heating oven, to solve the above background art proposed in the prior art oven when using, although it improves the heating efficiency by graphene coating, but it needs to blow heat to food by fan after heating, in this process, completely rely on fan to make gas convection heating, efficiency is low The problem of low.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high efficiency and even heating oven, comprising: box, the inner bottom of the box is equipped with the electric heating disc for being contacted and heated, the inner top of the box is equipped with the upper heating assembly for being heated by radiation and hot convection, the box is placed with baking tray, the opening of the baking tray is upward, and its bottom contacts electric heating disc.

[0007] Preferably, the upper heating assembly includes assembly frame, the lower surface of the assembly frame is provided with a plurality of strip-shaped holes, and the inside of the assembly frame is provided with electric heating radiation tube.

[0008] Preferably, a cover plate is installed above the assembling frame, a second temperature sensor is installed on the outer wall of the cover plate, and the detection end of the second temperature sensor extends into the assembling frame, and a second fan is installed at the middle position of the cover plate.

[0009] Preferably, a first fan is installed on the rear end wall of the box body, an exhaust valve is arranged at the rear end of the first fan, and a first temperature sensor is installed on one side of the first fan.

[0010] Preferably, the baking tray comprises a tray body, an outer edge is arranged above the tray body, and a plurality of through holes are formed in the outer wall of the outer edge.

[0011] Preferably, a plurality of vertically spaced supporting blocks are arranged on the inner walls of the two sides of the box body, and the supporting blocks form a limiting cavity for displacement and placement of the outer edge.

[0012] Preferably, a control layer is installed above the box body, the control layer comprises a controller, the input end of the controller is electrically connected with the output end of each temperature sensor, the output end of the controller is electrically connected with the input end of each heating element and each fan, a touch screen is installed at the front end of the controller, and an air inlet is arranged at the rear end of the control layer and connected with the second fan through a pipeline.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) In the utility model, the bottom of the baking tray contacts the electric heating plate, and the top of the baking tray is provided with an opening. During baking, the electric heating plate at the bottom transmits heat through contact with the bottom of the baking tray, and the top is heated by the electric heating radiation pipe, so that the food in the baking tray can be heated from the top and bottom directions, thereby effectively improving the heating efficiency. The second fan is arranged to drive the internal gas to form convection during heating, further improving the heating efficiency and solving the problem that the existing oven improves the heating efficiency through the graphene coating, but needs to blow the heat to the food after heating through the fan. The process completely relies on the fan to make the gas convection for heating, and the efficiency is low.

[0015] (2) In the utility model, the outer edge protrudes from the tray body, so that the baking tray can place the outer edge on the supporting blocks and move and take the operation through the limiting cavity between the supporting blocks. The through holes are arranged to allow the gas heated above to pass through the through holes to the side of the tray body below the outer edge, so that the gas can heat the place, and the bottom surface, four side surfaces and the upper opening of the baking tray can be affected by the heat source, thereby improving the baking uniformity and baking efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall front view of the utility model;

[0017] Figure 2 It is the overall internal view of the utility model;

[0018] Figure 3 It is the overall rear view of the utility model;

[0019] Figure 4 It is the external view of the assembly frame of the utility model;

[0020] Figure 5 It is the internal view of the assembly frame of the utility model;

[0021] Figure 6 It is the schematic view of the baking tray structure of the utility model;

[0022] In the drawing: 1, box body; 101, supporting block; 102, limiting cavity; 103, first fan; 104, first temperature sensor; 105, exhaust valve; 2, control layer; 201, controller; 202, touch screen; 203, air inlet; 3, baking tray; 301, tray body; 302, outer edge; 303, through hole; 4, electric heating tray; 5, upper heating assembly; 501, assembly frame; 502, cover plate; 503, second temperature sensor; 504, second fan; 505, electric heating radiant tube; 506, opening. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figure 2 , Figure 3 The utility model provides an embodiment: an efficient and uniform heating oven, include: box body 1, install first fan 103 on the rear end wall of box body 1, the rear end of first fan 103 is provided with exhaust valve 105, first fan 103 is used to exhaust gas to the outside, plays the effect of exhaust, in the user use process, can according to exhaust valve 105 control the opening and closing state of exhaust, according to the rotating speed control exhaust intensity of first fan 103.

[0025] As Figure 2 , Figure 4 , Figure 5As shown, the inner bottom of the box body 1 is provided with an electric heating disc 4 for contact heating, the inner top of the box body 1 is provided with an upper heating assembly 5 for radiation and heat convection heating, and the box body 1 is placed with a baking tray 3, the opening of the baking tray 3 faces upward, and the bottom of the baking tray 3 contacts the electric heating disc 4, the upper heating assembly 5 comprises an assembling frame 501, a plurality of strip-shaped openings 506 are formed in the lower surface of the assembling frame 501, an electric heating radiation pipe 505 is installed in the assembling frame 501, a cover plate 502 is installed above the assembling frame 501, and a second fan 504 is installed at the middle position of the cover plate 502; when the baking tray 3 is placed, the bottom of the baking tray 3 contacts the electric heating disc 4, and the top of the baking tray 3 is provided with an opening, in the baking process, the electric heating disc 4 at the bottom transmits heat through the contact of the bottom of the baking tray 3, and the top is heated by the electric heating radiation pipe 505, so that the food in the baking tray 3 can be heated in two directions, thereby effectively improving the heating efficiency, and the second fan 504 can drive the internal gas to form convection in the heating process, further improving the heating efficiency.

[0026] Please refer to Figure 2 、 Figure 6 , the baking tray 3 comprises a disc body 301, an outer edge 302 is arranged above the disc body 301, a plurality of through holes 303 are formed in the outer wall of the outer edge 302, a plurality of vertical and spaced supporting blocks 101 are arranged on the inner walls of the two sides of the box body 1, and the supporting blocks 101 form a limiting cavity 102 for displacement and placement of the outer edge 302; the outer edge 302 protrudes from the disc body 301, so that the baking tray 3 can place the outer edge 302 on the supporting blocks 101 and move and take the outer edge 302 through the limiting cavity 102 between the supporting blocks 101, the through holes 303 can make the gas heated above pass through the through holes 303 to the side of the disc body 301 below the outer edge 302, so that the gas can heat the place, the bottom surface, the four side surfaces and the upper opening of the baking tray 3 can be affected by the heat source, thereby improving the baking uniformity and the baking efficiency.

[0027] Please refer to Figure 1 、 Figure 2 、 Figure 4The outer wall of the cover plate 502 is provided with a second temperature sensor 503, and the detection end of the second temperature sensor 503 extends into the assembling frame 501. One side of the first fan 103 is provided with a first temperature sensor 104. The upper portion of the box body 1 is provided with a control layer 2. The control layer 2 comprises a controller 201. The input end of the controller 201 is electrically connected with the output end of each temperature sensor. The output end of the controller 201 is electrically connected with the input end of each heating element and each fan. The front end of the controller 201 is provided with a touch screen 202. The rear end of the control layer 2 is provided with an air inlet 203, and the air inlet 203 is connected with the second fan 504 through a pipeline. The first temperature sensor 104 is used for detecting the temperature change in the baking cavity. The second temperature sensor 503 is used for detecting the temperature change in the assembling frame 501. The electric heating disc 4 can also be provided with a temperature sensor (not shown in the figure). The temperature change at different positions is detected through the temperature sensor, so that the user can conveniently adjust the heating temperature at different positions. According to the different temperatures, the top and bottom heat sources can be alternately heated during heating, or the top and bottom can be simultaneously heated.

[0028] The control layer 2 only lists part of the functional components in the oven. The internal functional components are also conventional techniques of the oven in the field, and the control mode and electrical connection mode are the same as those of the oven in the field. Therefore, the above description is not repeated here.

[0029] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A high efficiency and uniform heating oven comprising a cabinet (1), characterized in that: The inner bottom of the box (1) is provided with an electric heating disc (4) for contact heating, the inner top of the box (1) is provided with an upper heating assembly (5) for radiation and heat convection heating, and the box (1) is internally provided with a baking tray (3) with an opening facing upwards and a bottom contacting the electric heating disc (4).

2. The efficient and even heating oven of claim 1, wherein: The upper heating assembly (5) comprises an assembling frame (501) provided with a plurality of strip-shaped holes (506) on the lower surface, and an electric heating radiation tube (505) is installed in the assembling frame (501).

3. The efficient and even heating oven of claim 2, wherein: A cover plate (502) is installed above the assembling frame (501), a second temperature sensor (503) is installed on the outer wall of the cover plate (502), the detection end of the second temperature sensor (503) extends into the assembling frame (501), and a second fan (504) is installed at the middle position of the cover plate (502).

4. The efficient and even heating oven of claim 1, wherein: A first fan (103) is installed on the rear end wall of the box (1), an exhaust valve (105) is arranged at the rear end of the first fan (103), and a first temperature sensor (104) is installed on one side of the first fan (103).

5. The efficient and even heating oven of claim 1, wherein: The baking tray (3) comprises a disc body (301) provided with an outer edge (302) on the top, and a plurality of through holes (303) are formed in the outer wall of the outer edge (302).

6. The efficient and even heating oven of claim 5, wherein: A plurality of vertically spaced supporting blocks (101) are arranged on the inner walls of both sides of the box (1), and the supporting blocks (101) form a limiting cavity (102) for displacement and placement of the outer edge (302).

7. The high efficiency and even heating oven of claim 3, wherein: An upper control layer (2) is installed on the box (1), the control layer (2) comprises a controller (201), the input end of the controller (201) is electrically connected with the output end of each temperature sensor, the output end of the controller (201) is electrically connected with the input end of each heating element and each fan, a touch screen (202) is installed at the front end of the controller (201), and an air inlet (203) is arranged at the rear end of the control layer (2) and connected with the second fan (504) through a pipeline.

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