Electric heating cooking device

Abstract

The utility model relates to the technical field of household appliances, and provides an electric heating cooking device which comprises a base provided with a heating body, a first ventilation opening communicated with outside air is formed in the base, a check block is arranged in the base and corresponds to the inner side of the first ventilation opening, and the check block extends upwards to be arranged on the inner bottom wall of the base. The stop blocks form a water retaining rib structure used for preventing liquid from entering the base along the first ventilation opening. The first ventilation opening is close to the side portion of the base, the check block is arranged in the length direction of the first ventilation opening, and the first end and / or the second end of the check block abut against the inner side of the base. Liquid or water vapor is effectively prevented from entering the base along the first ventilation opening, a circuit board, a heating element and the like in the base are prevented from being affected with damp and damaged, and water vapor is prevented from entering the base.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household appliances, in particular to an electric heating cooking device. BACKGROUND

[0002] An electric ceramic stove or an electric induction cooker is a cooking device that uses the principle of electric heat radiation for heating. Due to its uniform heating and precise temperature control, it is widely used in households and commercial kitchens. The base of the electric ceramic stove is one of its core components, usually containing heating elements, control circuits, heat dissipation fans, and other components. In order to ensure the stable operation and heat dissipation of the electric ceramic stove, the electric ceramic stove or the electric induction cooker generates a large amount of heat during operation, especially in the heating element and control circuit parts. In order to ensure that the equipment does not overheat, the base is usually designed with an air outlet and equipped with a heat dissipation fan, which discharges hot air through the air outlet to dissipate heat. The design of the air outlet not only serves to dissipate heat, but also promotes air circulation inside the base to prevent local temperature from rising too high. However, this design also brings the problem of easy entry of water vapor into the base. The air outlet, as an air circulation channel, is usually designed as an open or semi-open design, which makes it easy for external environment water vapor (such as cooking steam, moisture during cleaning, or high humidity air) to enter the base through the air outlet, which may adversely affect the performance and life of the equipment. SUMMARY

[0003] The utility model provides an electric heating cooking device, the inside bottom wall of base is provided with the baffle to the inside of first vent, the baffle is formed the water retaining rib structure for blocking liquid and enters the inside of base along first vent.

[0004] An electric heating cooking device designed for this purpose includes a base with a heating element, a first vent on the base that communicates with the outside air, and a baffle inside the base corresponding to the inside of the first vent. The baffle is upwardly extended and arranged on the inner bottom wall of the base, and the baffle forms a water retaining rib structure for blocking liquid from entering the inside of the base along the first vent.

[0005] The first vent is arranged near the side of the base, and the baffle is arranged along the length direction of the first vent, with the first end and / or the second end of the baffle abutting on the inner side of the base.

[0006] The baffle is detachably mounted on the inner bottom wall of the base, or the baffle is upwardly extended and arranged from the inner bottom wall of the base.

[0007] The baffle is in the form of a long strip, a curved segment, or a straight segment.

[0008] The base is internally provided with a plurality of first connecting blocks arranged at intervals, a first gap for forming a first ventilation opening is arranged between two adjacent first connecting blocks, the first end of the first connecting block is connected with the stop block, the second end of the first connecting block is abutted on the inner side of the base, and the cooperation between the first connecting block and the stop block forms a reinforcing rib structure for increasing the mechanical strength of the base.

[0009] The plurality of first connecting blocks are arranged on the inner bottom wall of the base.

[0010] The inner side of the base is provided with a plurality of second connecting blocks arranged at intervals, a second gap for forming a second ventilation opening is arranged between two adjacent second connecting blocks, each second connecting block is arranged obliquely on the inner side of the base, the first end of the second connecting block is connected with the first connecting block, and the other end of the second connecting block is abutted on the inner side of the base.

[0011] The base is provided with a heat dissipation fan for assisting the heat dissipation of the heat generating body, the base is provided with an air inlet corresponding to the lower side of the heat dissipation fan, the air inlet, the heat dissipation fan and the first ventilation opening are sequentially communicated and form a heat dissipation channel of the heat generating body.

[0012] The base is provided with a wind baffle corresponding to the heat dissipation fan, and the wind baffle is arranged on the inner bottom wall of the base in an upward extending manner.

[0013] The base is provided with a connecting plate, the connecting plate is provided with a threading opening, the base is provided with a first limiting block and a second limiting block arranged at intervals, an installation groove for installing a circuit board is formed between the first limiting block and the second limiting block, and a gap groove for wiring is arranged on the first limiting block and / or the second limiting block.

[0014] The base is provided with a connecting frame, the connecting frame is provided with a third ventilation opening for communicating with external air, and the third ventilation opening and the first ventilation opening are arranged on the same side of the electric heating cooking device.

[0015] The connecting frame is provided with a positioning rib block on the inner circumferential side, a positioning gap is arranged between the positioning rib block and the inner circumferential side of the connecting frame, the top of the base is provided with a top surrounding edge arranged in an upward extending manner, the connecting frame is arranged on the base, and the top surrounding edge is inserted into the positioning gap of the positioning rib block.

[0016] The connecting frame and the base are fixedly connected through the connecting column assembly.

[0017] The connecting frame is provided with a positioning step for installing a panel, the panel is provided with an operation module, the operation module includes a mechanical knob, an operation key or a touch type control display screen, the panel is provided below with an operation module circuit board electrically connected with the operation module, and the panel, the connecting frame and the base form an electrical bin for installing electrical elements.

[0018] The heat generating body is an electromagnetic coil heat generating body, an electric ceramic stove disc heat generating body or a heat generating disc pipe heat generating body.

[0019] The beneficial technical effects of the present application are as follows:

[0020] The base is internally provided with a baffle corresponding to the inner side of the first air vent, the baffle is upwardly extended and arranged on the inner bottom wall of the base, the baffle forms a water blocking rib structure for blocking liquid from entering the base through the first air vent, effectively blocks liquid or water vapor from entering the interior of the base through the first air vent, avoids the circuit board and heating element in the interior of the base from being damaged due to moisture, prevents water vapor from entering the base to adhere to the circuit board or electronic components in the base, avoids the electronic components in the base from short circuiting or corroding, and affects the normal operation of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0022] Figure 1 It is a perspective structural schematic view of an electric heating cooking device according to an embodiment of the present application.

[0023] Figure 2 It is an assembly exploded structural schematic view of an electric heating cooking device according to an embodiment of the present application.

[0024] Figure 3 It is an assembly structural schematic view of a base and a connecting frame according to an embodiment of the present application.

[0025] Figure 4 It is Figure 3 It is an enlarged view of A in FIG. 5.

[0026] Figure 5 It is an assembly exploded structural schematic view of a base and a connecting frame according to an embodiment of the present application.

[0027] Figure 6 It is a perspective structural schematic view of a base according to an embodiment of the present application. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. In order to make the above purposes, features and advantages of the present application more obvious and easy to understand, many specific details are described in the following description in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0029] Referring to Figures 1-6The utility model provides an electric heating cooking device, including the base 1 that is equipped with the heating element 2, be equipped with the first vent 3 that communicates outside air on the base 1, the first vent 3 inboard is equipped with the stopper 4 in the base 1, and the stopper 4 is extended and set up on the inner bottom wall of base 1, and the stopper 4 forms the water blocking rib structure for blocking liquid along the first vent 3 into the base 1, effectively blocks liquid or water vapor along the first vent 3 into the base 1, avoids the circuit board and heating element in the base 1 to be easily dampened and damaged, prevents water vapor from entering the base 1 to adhere on the circuit board or electronic component in the base 1, avoids the short circuit or corrosion of electronic component in the base 1, influences the normal operation of equipment.

[0030] The first vent 3 is arranged close to the side of the base 1, and the stopper 4 is arranged along the length direction of the first vent 3, effectively blocking water vapor or liquid from entering the base 1 through the first vent 3, preventing water from entering the base 1, and the first end and / or the second end of the stopper 4 abuts against the inner side of the base 1.

[0031] The stopper 4 is detachably mounted on the inner bottom wall of the base 1, or the stopper 4 is extended and arranged upward from the inner bottom wall of the base 1.

[0032] The stopper 4 can be integrally arranged with the base 1 by injection molding, so that the stopper 4 is not missed during assembly of the base 1.

[0033] The stopper 4 is detachably mounted on the inner bottom wall of the base 1, which can simplify the mold structure of the base 1. The stopper 4 is provided with a sealing groove for mounting a sealing device at the bottom, and the stopper 4 is provided with a fixing block for fixing on the base 1 at the end, and the fixing block is fixed on the inner bottom wall of the base 1 by screws.

[0034] The stopper 4 is in the shape of a long and curved or straight section.

[0035] The base 1 is provided with a plurality of first connecting blocks 5 arranged at intervals, and a first gap is formed between two adjacent first connecting blocks 5 to form the first vent 3. The first end of the first connecting block 5 is connected with the stopper 4, and the second end of the first connecting block 5 abuts against the inner side of the base 1. The cooperation between the first connecting block 5 and the stopper 4 forms a reinforcing rib structure for increasing the mechanical strength of the base 1, which significantly improves the mechanical strength and anti-deformation ability of the base 1.

[0036] The plurality of first connecting blocks 5 are arranged on the inner bottom wall of the base 1.

[0037] The inner side of the base 1 is provided with a plurality of second connecting blocks 6 arranged at intervals, and a second gap is formed between two adjacent second connecting blocks 6 to form a second vent 7. Each second connecting block 6 is arranged obliquely on the inner side of the base 1. The first end of the second connecting block 6 is connected with the first connecting block 5, and the other end of the second connecting block 6 abuts against the inner side of the base 1.

[0038] Each second connecting block 6 is obliquely arranged on the inner side of the base 1, and the first end of the second connecting block 6 is connected with the first connecting block 5, thereby further enhancing the overall structural stability of the base 1.

[0039] The base 1 is provided with a heat dissipation fan 8 for assisting the heat dissipation of the heat generating body 2, and the base 1 is provided with an air inlet 9 corresponding to the heat dissipation fan 8 below, which communicates with the outside air. The air inlet 9, the heat dissipation fan 8 and the first air vent 3 are sequentially communicated and form a heat dissipation channel of the heat generating body 2, so as to ensure that the heat generating body 2 can be quickly cooled during work, thereby avoiding overheating.

[0040] In this embodiment, a boss is arranged on the inner bottom wall of the base 1, and the boss extends upward on the base 1 to form a pit on the outer side of the base 1. The air inlet 9 is arranged on the boss, and the pit is beneficial to increase the air inlet amount of the base 1.

[0041] The base 1 is provided with two heat dissipation fans 8, and the heat dissipation fan 8 is provided with a connecting bracket. The base 1 is provided with a positioning column on the inner bottom wall, and the positioning column extends upward on the base 1. The positioning column is integrally arranged with the base 1 by injection molding. The connecting bracket is fixed on the positioning column of the base 1 by screws.

[0042] One of the heat dissipation fans 8 is arranged close to the circuit board 15, so as to assist the heat dissipation of the circuit board 15.

[0043] The base 1 is provided with a baffle 10 corresponding to the heat dissipation fan 8, and the baffle 10 extends upward on the inner bottom wall of the base 1.

[0044] The baffle 10 is arranged in an arc shape and along the outer side of the heat dissipation fan 8. The baffle 10 has a half-open structure. When the heat dissipation fan 8 is started, the airflow collides on the baffle 10 under the centrifugal force of the heat dissipation fan 8. After the airflow collides on the baffle 10, the airflow blows to the heat generating body 2, and then is discharged out of the base 1 from the vent structure of the base 1.

[0045] The base 1 is provided with a connecting plate 11, and the connecting plate 11 is provided with a wire hole 12. The base 1 is provided with a first limiting block 13 and a second limiting block 14 arranged at intervals. The first limiting block 13 and the second limiting block 14 form a mounting groove 16 for mounting the circuit board 15. The first limiting block 13 and / or the second limiting block 14 are provided with a notch groove 17 for wiring, so as to avoid the lead connected with the heat dissipation fan 8 from moving randomly in the base 1.

[0046] The base 1 is provided with a first air vent 3 and a second air vent 7 on one side. The base 1 is provided with another air vent structure corresponding to the side adjacent to the first air vent 3 and the second air vent 7. The air vent structure is arranged opposite to the heat dissipation fan 8.

[0047] The base 1 is provided with a connecting frame 18, and the connecting frame 18 is provided with a third air vent 19 communicating with the air outside, and the third air vent 19 and the first air vent 3 are arranged on the same side of the electric heating cooking device.

[0048] The third air vent 19 and the first air vent 3 increase the air outlet area of the base 1, increase the heat dissipation efficiency, and form a multi-channel ventilation system with the third air vent 19 and the first air vent 3, further improving the heat dissipation effect.

[0049] The connecting frame 18 is provided with a positioning rib block 20 on the inner circumferential side, and the positioning rib block 20 and the inner circumferential side of the connecting frame 18 are provided with a positioning gap 22, and the top of the base 1 is provided with a top surrounding edge 21 extending upward, and the connecting frame 18 is arranged on the base 1, and the top surrounding edge 21 is inserted into the positioning gap 22 of the positioning rib block 20.

[0050] The connecting frame 18 is positioned and installed on the top of the base 1 through the positioning gap 22, preventing the connecting frame 18 from moving left and right on the base 1, and the design of the positioning rib block 20 and the positioning gap 22 ensures the precise butt joint of the connecting frame 18 and the base 1, avoiding misalignment or looseness.

[0051] The connecting frame 18 and the base 1 are provided with a connecting column assembly 23, and the connecting frame 18 and the base 1 are fixedly connected through the connecting column assembly 23, and the structure between the connecting frame 18 and the base 1 is stable and easy to disassemble.

[0052] The connecting frame 18 is provided with a positioning step 25 for installing a panel 24, and the panel 24 is provided with an operation module 26, and the operation module 26 includes a mechanical knob, an operation key or a touch control display screen, and the panel 24 is provided below with an operation module circuit board 27 electrically connected with the operation module 26, and the panel 24, the connecting frame 18 and the base 1 form an electrical bin for installing electrical components.

[0053] The connecting column assembly 23 includes a plug-in column arranged on the inner side of the connecting frame 18 and a connecting column arranged on the base 1, and the connecting column is provided with a plug-in cavity, and the connecting frame 18 is installed on the base 1, and the plug-in column is inserted into the plug-in cavity of the connecting column. The screw is inserted into the plug-in column from the bottom of the base 1 towards the connecting column, so that the base 1 and the connecting frame 18 are fixedly connected.

[0054] The panel 24 is a microcrystalline panel, which has a flat plate structure, or the microcrystalline panel is provided with a positioning ring, and the center of the microcrystalline panel is provided with a center through hole for installing a recessed microcrystalline panel.

[0055] The heating body 2 is an electromagnetic coil heating body, an electric ceramic stove disc heating body or a heating disc pipe heating body.

[0056] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrically heated cooking apparatus comprising a base (1) provided with a heating element (2), characterized in that: The base (1) is provided with a first ventilation opening (3) communicating with the outside air, and a baffle (4) is arranged on the inner bottom wall of the base (1) corresponding to the inner side of the first ventilation opening (3), the baffle (4) extends upward and is arranged on the inner bottom wall of the base (1), and the baffle (4) forms a water-blocking rib structure for blocking liquid from entering the base (1) through the first ventilation opening (3).

2. The electric heating cooking device according to claim 1, characterized in that: The first ventilation opening (3) is arranged close to the side of the base (1), and the baffle (4) is arranged along the length direction of the first ventilation opening (3), and the first end and / or the second end of the baffle (4) abuts against the inner side of the base (1).

3. The electric heating cooking device according to claim 1, characterized in that: The baffle (4) is detachably mounted on the inner bottom wall of the base (1), or the baffle (4) extends upward from the inner bottom wall of the base (1).

4. The electric heating cooking device according to claim 1, wherein: The baffle (4) is in the form of a long strip-shaped curved section or a straight section.

5. The electric heating cooking device according to claim 1, wherein: The base (1) is provided with a plurality of first connecting blocks (5) arranged at intervals, a first gap forming the first ventilation opening (3) is arranged between adjacent two first connecting blocks (5), the first end of the first connecting block (5) is connected with the baffle (4), the second end of the first connecting block (5) abuts against the inner side of the base (1), and the cooperation between the first connecting block (5) and the baffle (4) forms a reinforcing rib structure for increasing the mechanical strength of the base (1). The plurality of first connecting blocks (5) are arranged on the inner bottom wall of the base (1).

6. The electric heating cooking device according to claim 5, characterized in that: The inner side of the base (1) is provided with a plurality of second connecting blocks (6) arranged at intervals, a second gap forming a second ventilation opening (7) is arranged between adjacent two second connecting blocks (6), each second connecting block (6) is arranged obliquely on the inner side of the base (1), the first end of the second connecting block (6) is connected with the first connecting block (5), and the other end of the second connecting block (6) abuts against the inner side of the base (1).

7. The electric heating cooking device according to claim 1, wherein: The base (1) is provided with a heat dissipation fan (8) for assisting heat dissipation of the heating body (2), the base (1) is provided with an air inlet (9) communicating with the outside air below the heat dissipation fan (8), the air inlet (9), the heat dissipation fan (8) and the first ventilation opening (3) are sequentially communicated and form a heat dissipation channel of the heating body (2). The base (1) is provided with a baffle (10) corresponding to the heat dissipation fan (8), and the baffle (10) extends upward and is arranged on the inner bottom wall of the base (1).

8. The electric heating cooking device according to claim 7, characterized in that: The base (1) is provided with a connecting plate (11), the connecting plate (11) is provided with a threading opening (12), the base (1) is provided with a first limiting block (13) and a second limiting block (14) arranged at intervals, a mounting groove (16) for mounting a circuit board (15) is formed between the first limiting block (13) and the second limiting block (14), and a gap groove (17) for wiring is arranged on the first limiting block (13) and / or the second limiting block (14).

9. The electric heating cooking device according to claim 1, wherein: The base (1) is provided with a connecting frame (18), the connecting frame (18) is provided with a third ventilation opening (19) communicating with the outside air, and the third ventilation opening (19) and the first ventilation opening (3) are arranged on the same side of the electric heating cooking device. The positioning rib block (20) is positioned on the inner circumferential side of the connecting frame (18), and a positioning gap (22) is arranged between the positioning rib block (20) and the inner circumferential side of the connecting frame (18); the top of the base (1) is provided with an upwardly extending top surrounding edge (21); the connecting frame (18) is arranged on the base (1); and the top surrounding edge (21) is inserted into the positioning gap (22) of the positioning rib block (20). The connecting column assembly (23) is arranged between the connecting frame (18) and the base (1), and the connecting frame (18) and the base (1) are fixedly connected through the connecting column assembly (23).

10. The electric heating cooking device according to claim 9, characterized in that: The connecting frame (18) is provided with a positioning step (25) for mounting a panel (24); the panel (24) is provided with an operation module (26); the operation module (26) comprises a mechanical knob, an operation key or a touch control display screen; the panel (24) is provided below with an operation module circuit board (27) electrically connected with the operation module (26); and the panel (24), the connecting frame (18) and the base (1) form an electrical compartment for mounting electrical components. The heating body (2) is an electromagnetic coil heating body, an electric ceramic stove disc heating body or a heating disc pipe heating body.

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