Base structure of cooking electric appliance

Abstract

The utility model relates to the technical field of cooking electric appliances, and provides a base structure of a cooking electric appliance, which comprises a base body, a ventilation structure arranged on the base body and communicated with outside air, a connecting rib arranged on the base body corresponding to the ventilation structure, a cooling fan matched with the ventilation structure and an air deflector arranged on the base body corresponding to the cooling fan. An air guide block extending towards the ventilation structure is arranged on one side of the air guide plate, one end of the air guide block is connected with one connecting rib, the cooling fan drives airflow to move, and part of airflow flows to the ventilation structure along the air guide plate and / or the air guide block. By arranging the ventilation structure, the cooling fan, the air guide plate and the air guide block, a definite airflow path is formed, it is ensured that heat can be rapidly discharged out of the cooking electric appliance, the first reinforcing rib structures and the second reinforcing rib structures are formed among the connecting ribs, the transverse ribs and the longitudinal ribs, the deformation resistance of the base is effectively improved, and the service life of the base is prolonged in the high-temperature environment. The base is not prone to thermal deformation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cooking electric appliances, and particularly relates to a base structure of a cooking electric appliance. BACKGROUND

[0002] In the design of cooking electric appliances, the base structure not only needs to carry the main functional components of the electric appliance (such as heating bodies, control circuit boards, and corresponding electric appliance elements), but also needs to have good heat dissipation performance to ensure the stability and safety of the electric appliance in a long-time high-temperature working environment. The existing base structure of cooking electric appliances usually adopts simple ventilation design, such as opening ventilation holes on the base or installing heat dissipation fans. However, these designs have the following problems:

[0003] Insufficient heat dissipation efficiency: the traditional ventilation structure design is single, and the airflow path is not clear, which leads to limited heat dissipation effect, especially in high-power working state, heat is easily accumulated inside the electric appliance, which affects the performance and service life.

[0004] Insufficient structural strength: the base is prone to thermal deformation in a high-temperature environment, especially when the base material has poor heat resistance, which may cause structural deformation or even damage.

[0005] Poor waterproof performance: steam or liquid splashing may occur during cooking, and the existing base structure lacks effective waterproof design, which may cause internal electrical elements to be damp or short-circuited. SUMMARY

[0006] The utility model provides a base structure of a cooking electric appliance, which forms a clear airflow path by setting a ventilation structure, a heat dissipation fan, a wind guide plate, and a wind guide block, ensures that heat can be quickly discharged outside the cooking electric appliance, and the design of connecting ribs, transverse ribs, and longitudinal ribs forms a first reinforcing rib structure and a second reinforcing rib structure, which effectively improves the anti-deformation ability of the base, especially in a high-temperature environment, the base is not prone to thermal deformation. The connecting ribs and the transverse ribs arranged obliquely further enhance the stability of the structure.

[0007] A base structure of a cooking electric appliance designed for this purpose includes a seat body, a ventilation structure that communicates with external air is provided on the seat body, the seat body is provided with a plurality of connecting ribs corresponding to the ventilation structure, the connecting ribs are arranged on the inner side of the seat body at intervals, and the first end of the connecting rib abuts on the inner side of the seat body, and the second end of the connecting rib abuts on the inner bottom wall or the inner side of the seat body. The seat body is also provided with a heat dissipation fan cooperating with the ventilation structure, the seat body is provided with a wind guide plate corresponding to the heat dissipation fan, one side of the wind guide plate is provided with a wind guide block extending towards the ventilation structure, one end of the wind guide block is connected with one of the connecting ribs, the heat dissipation fan drives the movement of the airflow, and part of the airflow flows towards the ventilation structure along the wind guide plate and / or the wind guide block.

[0008] The opening for forming the ventilation structure is arranged between every two adjacent connecting ribs, and a transverse rib is arranged between every two adjacent connecting ribs, the connecting rib is arranged on the inner side of the seat body, and the first reinforcing rib structure for increasing the deformation resistance of the seat body is formed between the connecting rib and the transverse rib.

[0009] The side of the seat body corresponding to the connecting rib and the transverse rib is arranged to be inclined to the outer side of the seat body.

[0010] The longitudinal rib is arranged between the transverse rib and the side of the seat body, the longitudinal rib is arranged vertically or obliquely on the side of the seat body, the first end of the longitudinal rib is connected with the transverse rib, the second end of the longitudinal rib abuts on the inner side of the seat body, and the second reinforcing rib structure for increasing the deformation resistance of the seat body is formed between the transverse rib and the longitudinal rib.

[0011] When the longitudinal rib is arranged obliquely, the longitudinal rib is arranged to be inclined to the inner side of the seat body.

[0012] The seat body is provided with a boss corresponding to the heat dissipation fan, the boss is arranged protruding on the inner bottom wall of the seat body, an air inlet for communicating with external air is arranged on the boss, the suction end of the heat dissipation fan is arranged corresponding to the air inlet, and the air inlet, the heat dissipation fan and the ventilation structure are sequentially communicated to form a first heat dissipation channel in the seat body.

[0013] The outer side of the boss is provided with a positioning column extending upwardly to the inner bottom wall of the seat body, and a bracket is arranged on the heat dissipation fan, and the end of the bracket is connected with the positioning column.

[0014] The height of the position of the air deflector on the seat body is higher than the height of the position of the positioning column on the seat body, a limiting groove is arranged on the air deflector corresponding to the end of the bracket, and the end of the bracket is limited in the limiting groove and connected with the positioning column.

[0015] The seat body is provided with a panel, a positioning step for mounting the panel is arranged on the seat body, an electrical cavity is formed between the seat body and the panel, a heating body is arranged in the electrical cavity, and the heating body is located above the heat dissipation fan.

[0016] The heat generated by the working of the heating body is discharged out of the electrical cavity through the heat dissipation fan and the ventilation structure.

[0017] The heating body is an electromagnetic coil heating disc, an electric ceramic stove heating disc or an electric heating tube heating disc.

[0018] A main control circuit board is arranged in the electrical cavity, the heat dissipation fan is provided with two, one of the heat dissipation fans is arranged corresponding to the main control circuit board, an exhaust heat dissipation opening is arranged on the seat body, the main control circuit board and the heat dissipation fan are arranged opposite to the exhaust heat dissipation opening respectively, an air inlet for communicating with external air is arranged on the seat body, and the air inlet, the heat dissipation fan and the exhaust heat dissipation opening are sequentially communicated to form a second heat dissipation channel in the seat body.

[0019] The water blocking ribs are arranged on the bottom wall of the seat body and protrude upward.

[0020] The first limiting plate and the second limiting plate are arranged in the seat body, the main control circuit board is limited between the first limiting plate and the second limiting plate, an open mounting groove part for limiting the installation of the main control circuit board is formed between the first limiting plate and the second limiting plate, the first end of the open mounting groove part is arranged corresponding to the cooling fan, and the second end of the open mounting groove part is arranged corresponding to the exhaust heat dissipation port.

[0021] The technical scheme of the utility model optimizes the base structure design, significantly improves the heat dissipation performance, structural strength and waterproof performance of the cooking electrical appliance, and specific technical effects are as follows:

[0022] 1. By setting the ventilation structure, the cooling fan, the air deflector and the air guide block, a clear airflow path is formed to ensure that heat can be quickly discharged outside the cooking electrical appliance.

[0023] 2. The design of the first cooling channel and the second cooling channel respectively meets the heat dissipation requirements of the heating body and the main control circuit board, realizes multi-point heat dissipation, and significantly improves the heat dissipation efficiency.

[0024] 3. The opposite arrangement of the cooling fan, the air inlet and the exhaust heat dissipation port further optimizes the airflow flow and reduces heat accumulation.

[0025] 4. The design of the connecting rib, the horizontal rib and the vertical rib forms the first reinforcing rib structure and the second reinforcing rib structure, effectively improves the anti-deformation ability of the base, and especially in a high temperature environment, the base is not easy to be deformed by heat. The connecting rib and the horizontal rib arranged obliquely further enhance the stability of the structure.

[0026] 5. The design of the water blocking rib effectively prevents liquid or steam from entering the electrical cavity and protects the safety of the internal electrical elements.

[0027] 6. The design of the boss, the positioning column and the bracket makes the installation of the cooling fan more stable, and facilitates disassembly and maintenance.

[0028] 7. The open mounting groove part formed by the first limiting plate and the second limiting plate makes the installation of the main control circuit board more convenient, and facilitates the direct heat dissipation of the cooling fan to the circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0029] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0030] Figure 1 It is a three-dimensional structure schematic view of the cooking electrical appliance of the utility model.

[0031] Figure 2The utility model discloses a cooking electric appliance's assembly decomposition structure schematic diagram.

[0032] Figure 3 The utility model discloses a cooking electric appliance seat body's three-dimensional structure schematic diagram.

[0033] Figure 4 The utility model discloses a cooking electric appliance seat body's another orientation's three-dimensional structure schematic diagram.

[0034] Figure 5 The utility model discloses a cooking electric appliance seat body's three-dimensional cross section structure schematic diagram.

[0035] Figure 6 For Figure 5 The middle A place enlarged view. Specific embodiments

[0036] The technical scheme in the embodiments of the utility model will be apparently, completely and clearly described in conjunction with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. In order to make the above purpose, features and advantages of the application more obvious and easy to understand, a lot of specific details are set forth in the following description to facilitate full understanding of the application. But the application can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the application, therefore the application is not limited by the following disclosed specific embodiments.

[0037] Referring to Figures 1-6 A base structure of a cooking electric appliance, comprising a seat body 1, the seat body 1 is provided with a ventilation structure 2 communicating with ambient air, the seat body 1 is provided with a plurality of connecting ribs 3 corresponding to the ventilation structure 2, the plurality of connecting ribs 3 are arranged on the inner side of the seat body 1 at intervals, and the first end of the connecting rib 3 is abutted on the inner side of the seat body 1, the second end of the connecting rib 3 is abutted on the inner bottom wall or the inner side of the seat body 1, the seat body 1 is further provided with a cooling fan 5 matched with the ventilation structure 2, the seat body 1 is provided with a wind deflector 6 corresponding to the cooling fan 5, one side of the wind deflector 6 is provided with a wind guide block 7 extending towards the ventilation structure 2, one end of the wind guide block 7 is connected with one of the connecting ribs 3, the cooling fan 5 drives airflow movement, and part of the airflow flows to the ventilation structure 2 along the wind deflector 6 and / or the wind guide block 7.

[0038] In the embodiment, the heat-generating body 17 is arranged above the heat-dissipating fan 5, and the heat generated by the operation of the heat-generating body 17 is discharged out of the seat body 1 through the heat-dissipating fan 5 and the ventilation structure 2; the air guide plate 6 is in an arc shape and forms an open type fence structure which semi-surrounds the heat-dissipating fan 5; when the heat-dissipating fan 5 operates, the airflow flows to the ventilation structure 2 along the air guide plate 6 and the air guide block 7, so that the airflow cannot spread in all directions in the seat body 1, the airflow path is effectively optimized, and the deformation resistance and structural stability of the seat body 1 are significantly improved through the design of the reinforcing rib structure, especially in a high temperature environment, the seat body 1 is not easy to be deformed or damaged by heat.

[0039] In addition, the air guide block 7 of the air guide plate 6 is arranged to extend towards the ventilation structure 2 and is connected with the connecting rib 3, so as to further improve the deformation resistance and structural stability of the seat body 1.

[0040] An opening of the ventilation structure 2 is arranged between every two adjacent connecting ribs 3, and a transverse rib 4 is arranged between every two adjacent connecting ribs 3, the connecting rib 3 is arranged to protrude on the inner side of the seat body 1, and a first reinforcing rib structure for increasing the deformation resistance of the seat body 1 is formed between the connecting rib 3 and the transverse rib 4.

[0041] The side of the seat body 1 corresponding to the connecting rib 3 and the transverse rib 4 is arranged to be inclined towards the outer side of the seat body 1, and the connecting rib 3 is arranged to be inclined on the side of the seat body 1.

[0042] A longitudinal rib 8 is arranged between the transverse rib 4 and the side of the seat body 1, the longitudinal rib 8 is arranged to be vertical or inclined on the side of the seat body 1, the first end of the longitudinal rib 8 is connected with the transverse rib 4, the second end of the longitudinal rib 8 abuts on the inner side of the seat body 1, and a second reinforcing rib structure for increasing the deformation resistance of the seat body 1 is formed between the transverse rib 4 and the longitudinal rib 8.

[0043] When the longitudinal rib 8 is arranged to be inclined, it is arranged to be inclined towards the inner side of the seat body 1. The inclined arrangement of the connecting rib 3 and the longitudinal rib 8 further enhances the mechanical strength of the base and prolongs the service life of the product.

[0044] The seat body 1 is provided with a boss 9 corresponding to the heat-dissipating fan 5, the boss 9 is arranged to protrude on the inner bottom wall of the seat body 1, an air inlet 10 for communicating with the outside air is arranged on the boss 9, the suction end of the heat-dissipating fan 5 is arranged corresponding to the air inlet 10, and a wind inlet area 11 is formed between the boss 9 and the outer side of the bottom of the seat body 1; the wind inlet area 11, the heat-dissipating fan 5 and the ventilation structure 2 are sequentially communicated and form a first heat-dissipating channel in the seat body 1.

[0045] In the embodiment, the bottom of the seat body 1 is provided with supporting feet, which make the bottom of the seat body 1 have a gap with the supporting surface, and the boss 9 is protrudingly arranged on the inner bottom wall of the seat body 1, and forms a concave air inlet area 11 relative to the outside of the bottom of the seat body 1, so that the air inlet amount of the outside air into the seat body 1 is effectively increased, and the outside cold air can quickly enter the inside of the seat body 1 and discharge corresponding heat through the ventilation structure.

[0046] The outer side of the boss 9 is provided with a positioning column 12, which extends upward towards the inner bottom wall of the seat body 1, and the heat dissipation fan 5 is provided with a bracket 13, the end of which is connected with the positioning column 12.

[0047] In the embodiment, the positioning column 12 is internally provided with a screw column, the end of the bracket 13 is provided with a screw, and the bracket 13 is fixedly connected with the positioning column 12 through the screw, and the boss 9 is provided with the positioning column 12 on both sides.

[0048] The height of the position of the air guide plate 6 on the seat body 1 is higher than the height of the position of the positioning column 12 on the seat body 1, the air guide plate 6 is provided with a limiting groove part 14 corresponding to the end of the bracket 13, and the end of the bracket 13 is limited on the limiting groove part 14 and connected with the positioning column 12.

[0049] In the embodiment, the end of the bracket 13 is limited on the limiting groove part 14, so that the bracket 13 is prevented from being randomly moved after installation.

[0050] The seat body 1 is provided with a panel 15, and the seat body 1 is provided with a positioning step 16 for installing the panel 15, and an electrical cavity is formed between the seat body 1 and the panel 15, and a heating body 17 is arranged in the electrical cavity, and the heating body 17 is located above the heat dissipation fan 5.

[0051] The heat generated by the working of the heating body 17 is discharged out of the electrical cavity through the heat dissipation fan 5 and the ventilation structure 2.

[0052] The heating body 17 is an electromagnetic coil heating disc, an electric ceramic stove heating disc or an electric heating tube heating disc.

[0053] In the embodiment, the heating body 17 is positioned and installed in the seat body 1 through a supporting column, the seat body 1 is provided with the supporting column, and the seat body 1 and the structures arranged in the seat body 1 (except for corresponding electrical elements) can be integrally arranged through injection molding.

[0054] The electrical cavity is provided with a main control circuit board, the heat dissipation fan 5 is provided with two, one of which is arranged corresponding to the main control circuit board, the seat body 1 is provided with an exhaust heat dissipation opening 18, the main control circuit board and the heat dissipation fan 5 are respectively arranged opposite to the exhaust heat dissipation opening 18, the seat body 1 is provided with an air inlet 10 for communicating with the outside air, and the air inlet 10, the heat dissipation fan 5 and the exhaust heat dissipation opening 18 are sequentially communicated and form a second heat dissipation channel in the seat body 1.

[0055] The water baffle 21 is upwardly protrudingly arranged on the bottom wall in the seat body 1.

[0056] In the embodiment, the water baffles 21 are upwardly protrudingly arranged on the bottom wall in the seat body 1 and connected at the ends, and arranged corresponding to the air exhaust vent 18 and the ventilation structure 2.

[0057] The seat body 1 is provided with the first limiting plate 19 and the second limiting plate 20, the main control circuit board is limited between the first limiting plate 19 and the second limiting plate 20, and the open installation groove part for limiting and installing the main control circuit board is formed between the first limiting plate 19 and the second limiting plate 20.

[0058] In the embodiment, the second heat dissipation channel is designed to meet the heat dissipation requirement of the main control circuit board, so that the main control circuit board can keep running in the high load working state and avoid performance decline or damage caused by overheating.

[0059] The above is only a preferred embodiment of the present application, and is not used 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. A base structure of a cooking appliance, comprising a seat body (1) provided with a ventilation structure (2) for communicating with outside air, characterized in that: The seat body (1) is provided with a plurality of connecting ribs (3) corresponding to the ventilation structure (2), the plurality of connecting ribs (3) are arranged on the inner side of the seat body (1) at intervals, and the first end of the connecting rib (3) abuts on the inner side of the seat body (1), and the second end of the connecting rib (3) abuts on the inner bottom wall or the inner side of the seat body (1), and the seat body (1) is further provided with a heat dissipation fan (5) cooperating with the ventilation structure (2), the seat body (1) is provided with a guide vane (6) corresponding to the heat dissipation fan (5), one side of the guide vane (6) is provided with a guide block (7) extending towards the ventilation structure (2), one end of the guide block (7) is connected with one of the connecting ribs (3), the heat dissipation fan (5) drives the movement of the airflow, and part of the airflow flows to the ventilation structure (2) along the guide vane (6) and / or the guide block (7).

2. The base structure of a cooking appliance according to claim 1, characterized in that: An opening forming the ventilation structure (2) is arranged between every two adjacent connecting ribs (3), and a transverse rib (4) is arranged between every two adjacent connecting ribs (3), the connecting rib (3) is protrudingly arranged on the inner side of the seat body (1), and a first reinforcing rib structure for increasing the deformation resistance of the seat body (1) is formed between the connecting rib (3) and the transverse rib (4).

3. The base structure of a cooking appliance according to claim 2, characterized in that: The side of the seat body (1) corresponding to the connecting rib (3) and the transverse rib (4) is obliquely arranged towards the outer side of the seat body (1); A longitudinal rib (8) is arranged between the transverse rib (4) and the side of the seat body (1), the longitudinal rib (8) is vertically or obliquely arranged on the side of the seat body (1), the first end of the longitudinal rib (8) is connected with the transverse rib (4), the second end of the longitudinal rib (8) abuts on the inner side of the seat body (1), and a second reinforcing rib structure for increasing the deformation resistance of the seat body (1) is formed between the transverse rib (4) and the longitudinal rib (8).

4. The base structure of a cooking appliance according to claim 3, characterized in that: When the longitudinal rib (8) is obliquely arranged, it is obliquely arranged towards the inner side of the seat body (1).

5. The base structure of a cooking appliance according to claim 1, characterized in that: The seat body (1) is provided with a boss (9) corresponding to the heat dissipation fan (5), the boss (9) is protrudingly arranged on the inner bottom wall of the seat body (1), the boss (9) is provided with an air inlet (10) communicating with the outside air, the suction end of the heat dissipation fan (5) is arranged corresponding to the air inlet (10), and the boss (9) and the bottom outer side of the seat body (1) form an air inlet area (11); the air inlet area (11), the heat dissipation fan (5) and the ventilation structure (2) are sequentially communicated and form a first heat dissipation channel in the seat body (1).

6. The base structure of a cooking appliance according to claim 5, characterized in that: The outer side of the boss (9) is provided with a positioning column (12), the positioning column (12) extends upwards towards the inner bottom wall of the seat body (1), and the heat dissipation fan (5) is provided with a bracket (13), the end of the bracket (13) is connected with the positioning column (12).

7. The base structure of a cooking appliance according to claim 6, characterized in that: The position height of the guide vane (6) on the seat body (1) is higher than the position height of the positioning column (12) on the seat body (1), the guide vane (6) is provided with a limiting groove portion (14) corresponding to the end of the bracket (13), and the end of the bracket (13) is limited in the limiting groove portion (14) and connected with the positioning column (12).

8. The base structure of a cooking appliance according to claim 1, characterized in that: The seat body (1) is provided with a panel (15), the seat body (1) is provided with a positioning step (16) for installing the panel (15), an electrical cavity is formed between the seat body (1) and the panel (15), a heating body (17) is arranged in the electrical cavity, and the heating body (17) is located above the cooling fan (5); The heat generated by the working of the heating body (17) is discharged out of the electrical cavity through the cooling fan (5) and the ventilation structure (2); The heating body (17) is an electromagnetic coil heating disc, an electric ceramic stove heating disc or an electric tube heating disc.

9. The base structure of a cooking appliance according to claim 8, characterized in that: A main control circuit board is arranged in the electrical cavity, the cooling fan (5) is provided with two, one of the cooling fans (5) is arranged in correspondence with the main control circuit board, the seat body (1) is provided with an exhaust cooling port (18), the main control circuit board and the cooling fan (5) are arranged opposite to the exhaust cooling port (18) respectively, the seat body (1) is provided with an air inlet (10) for communicating with external air, the air inlet (10), the cooling fan (5) and the exhaust cooling port (18) are sequentially communicated and form a second cooling channel in the seat body (1). Corresponding to the exhaust cooling port (18) and / or the ventilation structure (2), the seat body (1) is provided with a water blocking rib (21), and the water blocking rib (21) is upwardly protrudingly arranged on the inner bottom wall of the seat body (1).

10. The base structure of a cooking appliance according to claim 9, characterized in that: The seat body (1) is provided with a first limiting plate (19) and a second limiting plate (20), the main control circuit board is limited between the first limiting plate (19) and the second limiting plate (20), an open type mounting groove part for limiting the installation of the main control circuit board is formed between the first limiting plate (19) and the second limiting plate (20), a first end of the open type mounting groove part is arranged in correspondence with the cooling fan (5), and a second end of the open type mounting groove part is arranged in correspondence with the exhaust cooling port (18).

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