CN108151087A - Microwave cooking utensil - Google Patents

Abstract

The invention discloses a microwave cooking appliance. The microwave cooking appliance comprises: a cooking body (100). The cooking body (100) has a heating chamber and an electric appliance compartment above the heating chamber. The electric appliance compartment contains low-heating appliances. components and high-heating electric devices; cooling fan (1), the cooling fan is used to cool low-heating electric devices and high-heating electric devices, the cooling fan is located on the upper part of the cooking body (100) and near the rear side, and the cooling fan There are air inlets (11) facing the two sides and air outlets (12) facing the front respectively. Wherein, the cooking main body (100) is also provided with a partition plate (21) between the low-heat generation electric device and the high-heat generation electric device, and the two sides of the partition plate are respectively used for cooling the low-heat generation electric device and the high-heat generation electric device. The air duct of the component; the microwave cooking appliance provided by the present invention can avoid the problem that the hot air from the high-heat generating electrical device flows to the low-heat generating electrical device and cause the temperature rise of the low-heat generating electrical device to be too high.

Description

Microwave Cooking Appliances

technical field

The invention relates to the technical field of household appliances, in particular to a microwave cooking appliance.

Background technique

In the prior art, microwave cooking appliances usually install low-heating electrical devices such as computer boards and high-heating electrical devices such as magnetrons and frequency converters in the electrical compartment at the same time, and the low-heating electrical devices and high-heating electrical devices share the same cooling air duct. .

However, since low-heating electrical devices such as computer boards are more sensitive to temperature rise, the temperature of cooling air flowing through high-heating electrical devices such as magnetrons and frequency converters will become higher. It may cause a high temperature rise of low-heat electric devices and affect their lifespan.

Contents of the invention

The purpose of the present invention is to overcome the problem in the prior art that the temperature rise of the low-heat electric device is high due to the heat of the high-heat electric device flowing to the low-heat electric device.

In order to achieve the above object, the present invention provides a microwave cooking appliance on the one hand, and the microwave cooking appliance includes:

A cooking main body, the cooking main body has a heating chamber and an electrical appliance compartment above the heating chamber, and the electrical appliance compartment contains low-heat generating electric devices and high-heat generating electric devices;

A cooling fan, the cooling fan is used to cool the low-heat generating electric device and the high-heat generating electric device, the cooling fan is located on the upper part of the cooking body and near the rear side, and the cooling fan has The air inlets facing the sides and the air outlets facing the front respectively;

Wherein, the cooking main body is also provided with a partition plate between the low-heat generation electric device and the high-heat generation electric device, and the two sides of the separation board are respectively used to cool the low-heat generation electric device. And the air duct of the high-heat electric device.

Preferably, the partition plate is arranged so that the wind discharged from the air outlet of the cooling fan can enter the air ducts on both sides of the partition plate to cool the low-heat generating electric device and the high-heat generating electric device respectively. .

Preferably, one end of the partition plate close to the air outlet of the cooling fan is bent to form an air deflector.

Preferably, the top plate or the side wall of the outer casing of the cooking main body is provided with a heat dissipation vent at a position corresponding to the low heat generation electric device, and the wind cooling the low heat generation electric device is exhausted from the heat dissipation port.

Preferably, the low-heat electric device includes a computer board, the cooking body is provided with a mounting bracket for mounting the computer board, and the partition board is provided on the mounting bracket.

Preferably, the installation bracket includes a base plate for installing the computer board, and the partition plate stands upright on the base plate.

Preferably, the side walls on both sides of the cooking main body are respectively provided with side air suction ports, and the air inlets on both sides of the cooling fan can suck air from the corresponding side air suction ports; and/or,

The position of the cooking main body below the heating chamber is provided with a lower air suction port, and the wind entering from the lower air suction port flows through the turntable motor at the bottom of the cooking main body and enters the air deflectors arranged along both sides into the cooking body respectively. The two air inlets of the cooling fan described above.

Preferably, two sides of the front wall of the cooking main body are respectively provided with support plates protruding from the side walls of the cooking main body, and front air suction ports are provided on the support plates.

Preferably, the microwave cooking appliance further includes a hot air assembly fixed on the rear side of the cooking body, and the cooling fan is configured to suck hot air flowing through the hot air assembly.

Preferably, the microwave cooking appliance further includes a filter plate fixed on the cooking body and a baffle for blocking the hot air from the hot air assembly from flowing through the filter plate.

Preferably, a ventilation hole is provided on the back panel of the cooking body, and the wind at the rear side of the cooking body enters through the ventilation hole and flows through the hot air assembly before entering the cooling fan;

The filter plate is located at the air inlet on one side of the cooling fan, and the baffle is arranged on the cooling fan to separate the filter plate from the airflow from the hot air assembly.

In the technical solution provided by the present invention, two separate air passages are formed by arranging a partition plate, so as to be able to dissipate heat and cool the electric devices with low heat generation and the electric devices with high heat generation respectively. Therefore, the problem that the temperature rise of the low-heat electric device caused by the hot air flowing through the high-heat electric device to flow to the low-heat electric device can be avoided.

Description of drawings

FIG. 1 is a schematic diagram of the air flow of a microwave cooking appliance according to an embodiment of the present invention;

Figure 2 is a schematic structural view of the mounting bracket;

Fig. 3 is a schematic diagram of the airflow flowing through the low-heat electric device flowing out from the heat dissipation port at the top;

Fig. 4 is a schematic diagram of the airflow flowing through the low-heat electric device flowing out from the heat dissipation port of the side wall;

Fig. 5 is a structural schematic view of the cooking body of the microwave cooking appliance viewed from the front side;

Fig. 6 is a structural schematic view of the cooking body of the microwave cooking appliance viewed from the rear;

Fig. 7 is a schematic view of the airflow seen from the left side of the cooking body (outside airflow);

Fig. 8 is a schematic view of the airflow seen from the right side of the cooking body (outside airflow);

Fig. 9 is a schematic view of the air flow entering the interior from the lower suction port viewed from the left side of the cooking main body;

Fig. 10 is a schematic view of the air flow entering the interior from the lower air suction port viewed from the right side of the cooking body;

Fig. 11 is a schematic diagram of air flow viewed from the bottom of the cooking body;

Fig. 12 is a schematic diagram of the airflow flowing through the hot air assembly viewed from the inside of the cooking body.

Explanation of reference signs

100-Cooking main body; 101-Front suction port; 102-Side suction port; 103-Down suction port; 104-Exhaust port; Fan; 11-air inlet; 12-air outlet; 2-installation bracket; 21-partition plate; 211-wind deflector; 22-bottom plate; - filter plate; 6 - baffle plate; 7 - support plate; 8 - door body.

Detailed ways

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer" etc. Orientation or positional relationship, or the orientation or positional relationship of devices or elements in actual applications, is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, Constructed and operated in a specific orientation and therefore should not be construed as limiting the scope of the invention.

The present invention provides a microwave cooking appliance. As shown in FIG. 1 , the microwave cooking appliance includes a cooking main body 100, the cooking main body 100 has a heating chamber and an electrical appliance compartment above the heating cavity, and the electrical appliance compartment accommodates low-heating Electrical devices and high-heating electrical devices; the microwave cooking appliance also includes a cooling fan 1, which is used to cool low-heating electrical devices and high-heating electrical devices; the cooling fan 1 is located on the upper part of the cooking body 100 and is close to the rear side The cooling fan 1 has air inlets 11 facing both sides and air outlets 12 facing forward. Wherein, the cooking main body 100 is also provided with a partition plate 21 between the low-heat generation electric device and the high-heat generation electric device. air duct. Wherein, low-heating electric devices are components with low heating power, such as computer boards and filter boards with detection and control functions; high-heating electric devices are components with higher heating power than the low-heating electric devices, for example, Magnetrons, frequency converters, etc. used to heat food.

In the technical solution provided by the present invention, by setting the partition plate 21, two separate air passages are formed so as to be able to cool the low-heat generating electric devices and the high-heat generating electric devices respectively. Therefore, the problem of excessive temperature rise of the low-heat electric device caused by the hot air flowing through the high-heat electric device (such as a magnetron, a frequency converter, etc.) flowing to the low-heat electric device can be avoided.

In this embodiment, both low-heat generating electric devices and high-heat generating electric devices are cooled by the air discharged from the air outlet 12 of the cooling fan 1 . The partition plate 21 is arranged so that the air discharged from the air outlet 12 of the cooling fan 1 can respectively enter the air passages on both sides of the partition plate 21 to cool the low-heat generating electric devices and the high-heat generating electric devices respectively.

Specifically, as shown in FIG. 1 , the cooling fan 1 is located on the top of the cooking body 100 and near the rear side. The wind direction is extended to divert the wind discharged from the air outlet 12 of the cooling fan 1 so as to flow to the air duct where the low-heat generating electric device is located and the air duct where the high-heat generating electric device is located.

Wherein, in this embodiment, as shown in FIG. 1, the low-heat generating electric device includes a computer board 3, and the high-heat generating electric device includes a magnetron 4 and a frequency converter, which are used to separate the low-heat generating electric device and the high-heat generating electric device. The partition board 21 is arranged on the installation bracket 2 for installing the computer board 3 .

The specific structure of the mounting bracket 2 is shown in FIG. 2 , the mounting bracket 2 includes a base plate 22 for installing the computer board 3 , and the partition plate 21 stands upright on the base plate 22 . Wherein, one end of the partition plate 21 near the air outlet of the cooling fan 1 is bent to form a wind deflector 211. Since the computer board 3 is close to the side of the cooking main body 100, the wind at the air outlet of the cooling fan 1 can be guided to the computer board. 3. A bent air deflector 211 is provided to guide the air from the cooling fan 1 to the computer board 3 . The installation bracket 2 is also provided with a plurality of installation parts 23 , so that the installation bracket 2 is fixed on the cooking main body 100 through the installation parts 23 .

Of course, it should be understood that the setting of the partition plate 21 is not limited to the setting on the mounting bracket 2 of the computer board 3 in this embodiment, and other forms of partitions that can separate the low-heat electric device and the high-heat electric device boards are available.

In addition, it can also be understood that the cooling method of the low-heat generating electric device and the high-heat generating electric device is not limited to the cooling method using the air blown by the cooling fan 1 in this embodiment. For example, (this mode is not shown in the figure) also can communicate with the air inlet 11 of cooling fan 1 with the air channel that the dividing plate 21 is provided with low-heat generating electric device, promptly low-heat generating electric device enters air through cooling fan 1 Cooling, and then the air outlet of the cooling fan 1 is used to cool the high-heat electric devices with higher temperature.

In this embodiment, preferably, a vent 105 can be provided on the top plate or side wall of the outer casing of the cooking body 100 at a position corresponding to the computer board 3 , and the wind flowing through the computer board 3 can be exhausted from the vent 105 . As shown in FIGS. 3 and 4 , FIG. 3 is a schematic diagram of a heat dissipation vent 105 provided on the top plate of the cooking main body 100 , and FIG. 4 is a schematic diagram of a heat dissipation vent 105 provided on a side wall of the cooking main body 100 .

An air outlet 104 is arranged above the front wall of the cooking main body 100 (as shown in FIG. 5 and viewed in conjunction with FIG. 1 ), and the wind for cooling high-heat generating electric devices is discharged from the air outlet 104 .

The above describes in detail the cooling fan 1 exhausting the air through the air outlet 12 to cool the low-heat and high-heat electrical devices, and the exhaust air duct is exhausted through the heat dissipation port 105 and the front air exhaust port 104 . The air intake duct of the cooling fan 1 will be specifically described below.

As shown in FIG. 1 , the cooling fan 1 is located on the upper part of the cooking main body 100 and close to the rear side. The cooling fan 1 has air inlets 11 facing both sides and air outlets 12 facing forward. Side air inlets 102 are respectively provided on both side walls of the cooking main body 100 , and the air inlets 11 on both sides of the cooling fan 1 can respectively suck air from the corresponding side air inlets 102 .

Since the microwave cooking appliance provided in this embodiment is embedded, that is, it can be embedded in a wall cabinet or a wall, and the door body 8 for closing the heating chamber is turned from bottom to top, of course, it can also be turned from a sideways way. Embedding will cause the air intake at the side wall to be blocked by the wall cabinet or the wall, and the airflow in front of the cooking body 100 needs to be introduced into the side air intake 102 of the side wall. For this reason, the both sides of the front wall of the cooking main body 100 are respectively provided with a support plate 7 protruding from the side wall of the cooking main body 100 in this implementation. 101. As shown in Figures 7 and 8, the wind that enters from the front air suction port 101 in front of the cooking body 100 flows backward along the side wall outer surface of the cooking body 100, then enters the side air suction port 102 and then enters the cooling fan 1. Air inlet 11.

In this embodiment, as shown in FIGS. 9 and 10 , the cooking main body 100 is provided with a lower air suction port 103 at a position below the heating chamber. The air deflectors arranged along both sides respectively enter the two air inlets 11 of the cooling fan 1 .

As shown in Figures 9-11, the cold air enters from the lower air suction port 103, flows backward along the bottom, and when passing through the turntable motor 10, it can cool the turntable motor 10, and then flows upward along the wind guide plate to both sides to cool down. In the air inlet 11 of the fan 1. Wherein the turntable motor 10 is a motor for driving the turntable of the cooking utensil supporting food to rotate.

In addition, in this embodiment, the microwave cooking appliance further includes a hot air assembly 9 fixed on the rear side of the cooking main body 100 . For cooling the hot air motor of the hot air assembly 9, a cooling fan 1 is provided here to absorb the hot air flowing through the hot air assembly 9 and discharge it.

Specifically, ventilation holes are provided on the back panel of the cooking main body 100 for the outside wind to enter to cool the hot air assembly 9 . As shown in FIG. 6 , the ventilation holes on the back panel of the cooking body 100 include shutters 107 at the bottom and meshes 106 at the top. The wind at the rear side of the cooking body 100 can enter from the louvers 107 and the mesh 106 at the bottom. Wherein, similarly, since the cooking appliance is embedded, the wind at the rear side is also provided by the front air suction port 101 at the front. As shown in Fig. 7 and Fig. 8, the wind entering from the front front air suction port 101 flows along the outer surface of the side wall, except a part enters the side air suction port 102, and a part flows toward the rear side to enter the louvers on the rear side 107 and the mesh 106, the airflow that enters the inside to cool the hot air assembly 9 is shown in Figure 12, the airflow flows from bottom to top, and then enters in the cooling fan 1 from the opening 108 on the cooking main body 100 rear wall.

In this embodiment, as shown in FIG. 1, the microwave cooking appliance also includes a filter plate 5 fixed on the cooking body 100. In order to prevent the hot air of the hot air assembly 9 from passing through the filter plate 5 and cause the temperature of the filter plate 5 to rise too high, a The baffle plate 6 blocks the hot air from the hot air assembly 9 from flowing through the filter plate 5 .

Specifically, as shown in FIG. 1 , the filter plate 5 is located at the air inlet 11 on one side of the cooling fan 1 , and the filter plate 5 is cooled by the air intake of the cooling fan 1 . The baffle plate 6 is arranged on the cooling fan 1 and is arranged to separate the filter plate 5 from the air flow from the hot air assembly 9, so as to prevent the air flow of the hot air assembly 9 from entering from the air inlet 11 provided with the filter plate 5, thereby preventing the air flow of the hot air assembly The hot air of 9 passes through the filter plate 5 when entering the cooling fan 1, so as to prevent the temperature rise of the filter plate 5 from being too high.

The air duct arrangement of the microwave cooking appliance provided by the technical solution can effectively cool the low-heat electric devices sensitive to temperature rise, such as the computer board 3 and the filter board 5, and can prevent them from being affected by the heat of the high-temperature components to cause overheating. The phenomenon of rising too high.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention. Combining the specific technical features in any suitable way is included. In order to avoid unnecessary repetition, various possible combinations are not further described in the present invention. However, these simple modifications and combinations should also be regarded as the content disclosed by the present invention, and all belong to the protection scope of the present invention.

Claims (10)

1. a kind of microwave cooking utensil, which is characterized in that the microwave cooking utensil includes：

Main body (100) is cooked, the culinary art main body (100) has heating chamber and the electric appliance above the heating chamber Storehouse accommodates low heating electric device and thermo-electric device occurred frequently in the electrical store；

Cooling blower (1), the cooling blower (1) are cold for being carried out to the low heating electric device and the thermo-electric device occurred frequently But, the cooling blower (1) is positioned at the top of the culinary art main body (100) and close to the position of rear side, and the cooling blower (1) there is the air inlet (11) for being respectively facing both sides and the air outlet (12) towards front；

Wherein, be additionally provided on culinary art main body (100) positioned at the low heating electric device and the thermo-electric device occurred frequently it Between demarcation strip (21), the both sides of the demarcation strip (21), which are formed, is respectively used to cool down the low heating electric device and described occurred frequently The air duct of thermo-electric device.

2. microwave cooking utensil according to claim 1, which is characterized in that the demarcation strip (21) is set as the cooling The air duct that the wind energy that the air outlet of wind turbine (1) is discharged enough respectively enters the demarcation strip (21) both sides is described low to cool down respectively Heating electric device and the thermo-electric device occurred frequently.

3. microwave cooking utensil according to claim 2, which is characterized in that the close cooling of the demarcation strip (21) One end at the air outlet of wind turbine (1) has been bent to form wind deflector (211).

4. microwave cooking utensil according to claim 2, which is characterized in that the outside housing of the culinary art main body (100) Top plate or side wall on be provided with thermovent (105) in the position of the correspondence low heating electric device, cool down the low heating electric The wind of device is discharged from the thermovent (105).

5. microwave cooking utensil according to claim 1, which is characterized in that the low heating electric device includes computer board (3), described cook is provided with the mounting bracket (2) for installing the computer board (3) in main body (100), on the mounting bracket (2) It is provided with the demarcation strip (21).

6. microwave cooking utensil according to claim 5, which is characterized in that the mounting bracket (2) is installed including being used for The bottom plate (22) of the computer board (3), the demarcation strip (21) are stood upright on the bottom plate (22).

7. microwave cooking utensil according to claim 1, which is characterized in that the both sides side wall of the culinary art main body (100) On be respectively arranged with side inlet scoop (102), the air inlet (11) of cooling blower (1) both sides can be respectively from corresponding Side inlet scoop (102) air draught；And/or

The position being located at below the heating chamber of the culinary art main body (100) is provided with lower inlet scoop (103), under described The distinguished and admirable rotary tray motor (10) through described culinary art main body (100) bottom that inlet scoop (103) enters and the wind-guiding set along both sides Plate respectively enters two air inlets (11) of the cooling blower (1).

8. microwave cooking utensil according to claim 1, which is characterized in that the two of the antetheca of the culinary art main body (100) Side is respectively arranged with the support plate (7) for the side wall for stretching out the culinary art main body (100), and preceding suction is provided on the support plate (7) Air port (101).

9. microwave cooking utensil according to claim 1, which is characterized in that the microwave cooking utensil, which further includes, to be fixed on Hot wind component (9) on rear side of the culinary art main body (100), the cooling blower (1) are configured to be pumped through the hot wind The hot wind of component (9).

10. microwave cooking utensil according to claim 9, which is characterized in that the microwave cooking utensil further includes fixation In the filter band (5) cooked in main body (100) and for stopping that it is described that the hot wind from the hot wind component (9) flows through The baffle (6) of filter band (5)；

Ventilation hole is provided on the postnotum of the culinary art main body (100), the wind cooked on rear side of main body (100) leads to from described Air holes enters and flows through the hot wind component (9) and enters the cooling blower (1) afterwards；

At the air inlet (11) of the cooling blower (1) side, the baffle (6) is arranged on described the filter band (5) On cooling blower (1) and it is set as separating the filter band (5) and the air-flow from the hot wind component (9).