CN110179324B - Cooking device - Google Patents
Cooking device Download PDFInfo
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- CN110179324B CN110179324B CN201910550890.6A CN201910550890A CN110179324B CN 110179324 B CN110179324 B CN 110179324B CN 201910550890 A CN201910550890 A CN 201910550890A CN 110179324 B CN110179324 B CN 110179324B
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- assembly
- main control
- control board
- air duct
- cooking device
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Ovens (AREA)
Abstract
本发明涉及家用电器领域，公开了一种烹饪装置，所述烹饪装置包括炉腔本体(100)、设置在所述炉腔本体(100)外的发热元器件以及设置在所述炉腔本体(100)的下方的启动散热风扇(63)，所述启动散热风扇(63)与至少部分的所述发热元器件之间形成有用于冷却散热的元器件散热风道。在本发明中，可将各功能部件设置在炉腔本体的顶部空间和外周部空间，以更便于紧凑排布、拆装、散热，而元器件散热风道能够有效控制温升，大大降低部件功能失效或出现漏电、火灾等事故的风险，从而有效提高安全性、可靠性。
The invention relates to the field of household appliances, and discloses a cooking device, which comprises a furnace cavity body (100), a heating element arranged outside the furnace cavity body (100), and a heating element arranged on the furnace cavity body (100). 100) below the startup cooling fan (63), a component cooling air duct for cooling and cooling is formed between the startup cooling fan (63) and at least part of the heating components. In the present invention, each functional component can be arranged in the top space and the outer peripheral space of the furnace cavity body, so as to be more convenient for compact arrangement, disassembly, and heat dissipation, and the component heat dissipation air duct can effectively control the temperature rise and greatly reduce the number of components. Function failure or the risk of leakage, fire and other accidents, thereby effectively improving safety and reliability.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a cooking device.
Background
At present, the cooking devices with microwave, steam and barbecue functions on the market have more parts and complex structures, so that the volume of the whole cooking device is larger, but generally, consumers tend to prefer light products. On the other hand, when the product function is diversified and the product performance is improved, the temperature rise problem of parts is accompanied, for example, the function failure can be caused by the overproof temperature rise of electrical elements, electric leakage or fire can be caused when the temperature rise is more serious, and the use safety risk of consumers is threatened.
Therefore, how to make a product have multiple functions and high performance on the premise of ensuring light weight and solve the problem of temperature rise at the same time is a technical problem which needs to be solved urgently at the present stage.
Disclosure of Invention
In view of the above-mentioned drawbacks or deficiencies of the prior art, the present invention provides a cooking device that can compactly arrange various functional components and form a high-efficiency heat dissipation duct by reasonably utilizing the space inside the cooking device, so as to ensure light weight, versatility, safety, and reliability.
In order to achieve the above purpose, the present invention provides a cooking device, which includes a furnace chamber body, a heating component disposed outside the furnace chamber body, and a starting heat dissipation fan disposed below the furnace chamber body, wherein a component heat dissipation air duct for cooling and dissipating heat is formed between the starting heat dissipation fan and at least a portion of the heating component.
Optionally, the cooking device includes a frequency converter assembly disposed outside the cavity body, and a frequency converter heat dissipation air duct is disposed in the frequency converter assembly, and the frequency converter heat dissipation air duct is capable of guiding air flow at an air outlet end of the starting heat dissipation fan to cool the frequency converter body.
Optionally, the cooking device includes a magnetron and a temperature sensing assembly respectively disposed outside the oven cavity body, the frequency converter heat dissipation air duct includes a first split heat dissipation air duct and a second split heat dissipation air duct branched from the air duct air inlet, the first split heat dissipation air duct is provided with a first split air outlet facing the magnetron for exhausting air, and the second split heat dissipation air duct is provided with a second split air outlet facing the temperature sensing assembly for exhausting air.
Optionally, the frequency converter assembly and the magnetron are arranged on two lateral sides of a rear wall of the oven cavity body at intervals, the first split heat dissipation air duct extends laterally, the temperature sensing assembly is arranged on the top of the oven cavity body, the second split heat dissipation air duct extends vertically, the cooking device further comprises a steam generator arranged on a side wall of the oven cavity body, which is relatively close to the magnetron, and the first split heat dissipation air duct and the second split heat dissipation air duct can converge and pass through the steam generator.
Optionally, the frequency converter assembly and the magnetron are both disposed on a rear wall of the oven cavity body, the cooking device includes a filter plate assembly disposed below the oven cavity body and adjacent to the frequency converter assembly in a front-rear direction, and the frequency converter cooling air duct further includes a third outflow air opening disposed on a front side wall of the frequency converter assembly to exhaust air toward the filter plate assembly.
Optionally, the frequency converter assembly includes a first frequency converter bracket cover and a second frequency converter bracket cover that can be covered with each other, and a diversion cooling fan installed in a cover closing cavity of the first frequency converter bracket cover and the second frequency converter bracket cover, and the frequency converter body, the cover closing cavity is formed into the frequency converter cooling air duct.
Optionally, the cooking device comprises a main control board assembly and a bottom board assembly, wherein the main control board assembly and the bottom board assembly are arranged below the furnace chamber body and are arranged up and down, the main control board assembly comprises a main control board support, a main control board body fixedly arranged on the main control board support and a starting heat dissipation fan, a support inner cavity of the main control board support is formed into a main control board heat dissipation air channel, and the bottom board assembly and the main control board support are respectively provided with an air inlet hole communicated with the main control board heat dissipation air channel.
Optionally, the face of main control board body is the horizontal plate face just the main control board body with start radiator fan and arrange the setting in proper order along the horizontal direction, start radiator fan's rotation axis cross section with form the tilt up contained angle between the horizontal plate face, the fan air-out end orientation that starts radiator fan the last face of main control board body and fan air inlet end orientation the bottom plate subassembly sets up.
Optionally, the bottom plate assembly is provided with a power line fixing hole, and the air outlet of the main control board heat dissipation air duct is arranged towards a power line penetrating into the power line fixing hole.
Optionally, a bottom plate air inlet hole is formed in the bottom plate assembly, and at least part of the bottom plate air inlet hole surrounds and is spaced from the power line fixing hole.
Optionally, the cooking device includes a filter plate assembly disposed below the oven cavity body and adjacent to the main control plate assembly in the horizontal direction, and a main control plate air exhaust gap communicated with the main control plate heat dissipation air duct is disposed between the main control plate assembly and the filter plate assembly.
Optionally, a bottom plate air outlet for discharging heat dissipation airflow passing through the filter plate assembly is formed in the bottom plate assembly of the cooking device.
Optionally, at least part of the heating element is a side wall element arranged on the side wall of the furnace chamber body, the starting heat dissipation fan is arranged along the side edge of the bottom wall of the furnace chamber body, and a bottom plate air exhaust gap communicated with the main control panel heat dissipation air duct and located on the same side with the side wall element is formed between the starting heat dissipation fan and the bottom plate assembly.
Optionally, the sidewall component comprises a light emitting element and a microswitch assembly.
Optionally, the cooking device includes a hot air convection assembly and a rear cover disposed on a rear wall of the oven cavity body, the hot air convection assembly includes a motor cover, a hot air motor, and a motor cooling fan fixedly connected to a motor shaft of the hot air motor, the rear cover is provided with a rear cover air inlet, and the motor cover is provided with a motor cover air inlet and a motor cover air outlet;
and/or the outer wall of the furnace chamber body is provided with a heat insulation piece;
and/or, the cooking device comprises a side cover, and the side cover is provided with a side cover air outlet.
In the cooking device, the starting heat radiation fan is arranged below the oven cavity body, so that the top space and the peripheral space of the oven cavity body can be vacated, the compact arrangement, the disassembly and the heat radiation of all functional parts are more convenient, and the multifunctional and light-weight design is more easily realized. In addition, some functional units are heating components themselves, and through forming the components and parts heat dissipation wind channel between start-up radiator fan and at least partial heating components, can effectively control the temperature rise range, greatly reduced part function failure or the risk of accidents such as electric leakage, conflagration appear to improve security, reliability.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is an exploded view of a partial structure of a cooking apparatus according to an embodiment of the present invention;
fig. 2 and 3 are partial exploded views of the cooking device of fig. 1 with the oven body at different angles;
FIG. 4 is a rear perspective view of the portion of the furnace body of FIG. 2 with the floor assembly and rear cover removed, and with arrows indicating the flow paths of the heat dissipating airflow after exiting the main control panel assembly;
FIG. 5 is an enlarged, fragmentary view of the portion of the furnace body of FIG. 4, with the arrows showing the flow paths of the cooling air after it has been exhausted through the bottom exhaust gap;
FIG. 6 is a rear view of the furnace section of FIG. 4, with arrows indicating the flow paths of the heat dissipating air flows in the heat dissipating air ducts of the frequency converter;
FIG. 7 is another rear perspective view of the portion of the oven of FIG. 4, with the arrows showing the flow paths of the cooling air after exiting the converter cooling air duct;
fig. 8 is an assembly view of a frequency converter assembly, a main control board assembly and a filter board assembly of a cooking apparatus according to an embodiment of the present invention, in which arrows indicate a flow path of a heat dissipation airflow after being discharged from a third sub-air outlet;
FIG. 9 is a rear perspective view of a first transducer carrier cover of the transducer assembly of FIG. 8;
FIG. 10 is a rear perspective view of a second converter bracket cover of the converter assembly of FIG. 8;
fig. 11 is a front perspective view of the second inverter bracket cover in fig. 10;
fig. 12 is an exploded view of another portion of the cooking device of fig. 1, with arrows indicating the flow paths of the heat dissipating airflow in the base plate assembly and the main control plate assembly;
FIG. 13 is a top perspective view of the master control plate assembly of FIG. 12;
FIG. 14 is a rear perspective view of the portion of the furnace body of FIG. 4 with the frequency converter assembly removed, illustrating the positional relationship between the filter plate assembly and the main control plate assembly;
FIG. 15 is a bottom perspective view of the furnace body section of FIG. 14;
FIG. 16 is a top perspective view of the filter plate assembly of FIG. 14;
fig. 17 is an assembly view of a frequency converter assembly, a main control board assembly and a filter board assembly of a cooking apparatus according to an embodiment of the present invention, in which arrows indicate flow paths of a heat dissipating air flow in the main control board assembly and after being discharged from a main control board exhaust gap;
fig. 18 is an exploded view of another partial structure of the body portion of the cooking device of fig. 1, with arrows illustrating the flow paths of the heat dissipating airflow in the bottom plate assembly and in the top wall of the cavity body;
FIG. 19 is a top view of the baseplate assembly of FIG. 18;
fig. 20 is an exploded view of the rear cover and the hot air convection assembly of the cooking apparatus according to the embodiment of the present invention, in which arrows indicate the flow paths of the heat dissipating air flows in the rear cover and the hot air convection assembly;
FIG. 21 is a front perspective view of the convection assembly of FIG. 20 with arrows showing the flow paths of the cooling air flow exiting the motor housing outlet vents;
fig. 22 is an exploded view of another portion of the body of the cooking assembly of fig. 1 showing insulation.
Description of reference numerals:
100 furnace chamber body 200 side cover
300 rear cover 400 heat shield
200a side cover air outlet 300a rear cover air inlet
1 frequency converter assembly 2 magnetron
3 temperature sensing subassembly 4 steam generator
5 Filter 6 main control board subassembly of board subassembly
7 backplane assembly 8 light emitting element
9 hot-blast convection current subassembly of micro-gap switch subassembly 10
11 frequency converter body 12 diversion cooling fan
13 frequency converter heat dissipation air duct 14 first frequency converter support cover
15 second frequency converter support cover 31 heating wire component
32 infrared component 51 filter plate support
52 filtering board body 61 main control board support
62 main control board body 63 starts radiator fan
64 main control board radiating air duct 71 bottom plate air inlet
72 bottom plate air outlet 73 power cord fixing hole
101 motor cover 102 hot air motor
103 motor cooling fan
13a first split heat-radiating air duct 13b second split heat-radiating air duct
13c first branch outlet 13d second branch outlet
13e third branch outlet 61a bracket air inlet
101a motor cover air inlet hole 101b motor cover air outlet hole
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.
A cooking apparatus according to the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 22, the cooking apparatus of the present invention includes a cavity body 100, a heat generating component disposed outside the cavity body 100, and a heat dissipating fan 63 disposed below the cavity body 100. A component heat dissipation air duct for cooling and dissipating heat is formed between the starting heat dissipation fan 63 and at least a part of the heat generating components.
It can be seen that, in the cooking apparatus of the present invention, by disposing the start-up heat dissipation fan 63 below the cavity body 100, the top space and the peripheral space of the cavity body 100 can be vacated, which is more convenient for the compact arrangement, disassembly and assembly, and heat dissipation of the functional components, thereby facilitating the realization of a multi-functional and lightweight design. In addition, some functional units are heating components (for example, electronic components and the like), and a component heat dissipation air channel is formed between the starting heat dissipation fan 63 and at least part of the heating components, so that the temperature rise amplitude can be effectively controlled, the risk of component function failure or accidents such as electric leakage and fire can be greatly reduced, and the durability, safety and reliability of the product can be improved.
In some embodiments, the cooking apparatus includes the frequency converter assembly 1 disposed outside the cavity body 100, and in this structure, the frequency converter heat dissipation air duct 13 can be directly formed in the assembly structure of the frequency converter assembly 1, so that the frequency converter heat dissipation air duct 13 can guide the air flow at the air outlet end of the starting heat dissipation fan 63 into the frequency converter assembly 1, so as to achieve a more direct cooling and heat dissipation effect on the frequency converter body 11. In other words, by skillfully designing the heat dissipation air duct in the compact assembly structure, the heat dissipation efficiency of the frequency converter body 11 can be improved, and the space occupied by the air duct is effectively saved due to no need of separately arranging the heat dissipation air duct, so that the structure compactness is ensured, and the higher heat dissipation efficiency is also ensured.
In the above embodiment, the cooking apparatus may further include the magnetron 2 and the temperature sensing assembly 3 respectively disposed outside the cavity body 100, that is, the cooking apparatus of the present invention may have a microwave function. Because the magnetron 2 and the temperature sensing assembly 3 generate a large amount of heat, it is necessary to preferably provide an air duct for direct heat dissipation, and the number of independent air ducts should be reduced as much as possible in view of ensuring the compactness of the structure and saving the space. Therefore, a first branch heat dissipation air duct 13a and a second branch heat dissipation air duct 13b branched from the air inlet of the air duct may be further provided in the frequency converter heat dissipation air duct 13. Wherein, set up the first branch air outlet 13c in the first branch heat dissipation flue 13a, and make the first branch air outlet 13c directly exhaust towards magnetron 2, and set up the second branch air outlet 13d in the second branch heat dissipation flue 13b, and make the second branch air outlet 13d exhaust towards temperature sensing assembly 3, thus realize the direct heat dissipation to magnetron 2 and temperature sensing assembly 3, guarantee its safe and reliable work.
Of course, the first heat dissipation air duct 13a or the second heat dissipation air duct 13b is not limited to directly dissipate heat only from the magnetron 2 and the temperature sensing assembly 3, that is, the magnetron 2 and the temperature sensing assembly 3 may be replaced by other heating components with large heat generation. The present invention is made in view of the above embodiments, and it is an object of the present invention to provide a heat dissipation device for a vehicle, which is capable of dividing a plurality of divided heat dissipation air channels into a same heat dissipation air channel, and is significantly superior to a case where a plurality of heat dissipation air channels are independently provided, in most cases, and is not limited by the present invention. In addition, on the basis of the first and second split heat dissipation air ducts 13a and 13b, more split heat dissipation air ducts may be branched from the frequency converter heat dissipation air duct 13 to directly dissipate heat of other heat generating components, that is, in this embodiment, the frequency converter heat dissipation air duct 13 is a branched split heat dissipation air duct.
As shown in fig. 4, 6 and 7, the frequency converter assembly 1 and the magnetron 2 may be disposed at intervals at both lateral sides of the rear wall of the cavity body 100, and the first diverging heat dissipation air passage 13a may be disposed to extend in the lateral direction. The temperature sensing assembly 3 may be disposed on the top of the oven cavity body 100, and the second heat dissipation air duct 13b may extend vertically. It is thus clear that through dividing the regional setting with converter subassembly 1, magnetron 2 and temperature sensing subassembly 3, except having based on other special considerations, this arrangement structure is favorable to the heat production of dispersion each part, avoids the heat in the local region to excessively superpose, promptly through the rationality that improves structural arrangement in order to reduce the risk that the local region temperature rise exceeds standard. In addition, on the premise of reasonable space occupation, the path of each shunting heat dissipation air channel is prolonged, stable and continuous heat dissipation air flow is favorably formed, and the heat dissipation effect can be better ensured.
Further, the cooking appliance may have a steam function, i.e., may further include a steam generator 4 disposed on a side wall of the cavity body 100, which is a side relatively close to the magnetron 2. Therefore, the heat dissipation air flow discharged from the first branch air outlet 13c of the first branch heat dissipation air duct 13a can continue to flow to the side wall steam generator 4 after passing through the magnetron 2. And the heat dissipation air flow discharged from the second branch air outlet 13d of the second branch heat dissipation air duct 13b can be diffused along the top wall of the oven cavity body 100 after passing through the top temperature sensing assembly 3 (generally including the heating wire assembly 31 and the infrared assembly 32), and part of the diffused air flow can continue to flow downwards and pass through the steam generator 4 on the side wall. In other words, the heat radiation gas flows respectively discharged from the first and second branch air outlets 13c and 13d can converge through the steam generator 4, thereby cooling the steam generator 4 to radiate heat.
It should be noted that if the independent heat dissipation air duct for the steam generator 4 is provided, it obviously occupies more space, which is not beneficial to realizing light weight of the product. If the branch of the heat dissipation air duct 13 of the frequency converter is led out of the split heat dissipation air duct for the steam generator 4, the split heat dissipation air duct needs to be bent at an angle of approximately 90 degrees to extend from the rear wall to the side wall of the furnace chamber body 100, which will undoubtedly increase the processing difficulty, and the wind resistance in the bent air duct is large, so that the continuous and stable heat dissipation air flow is difficult to form, and therefore the heat dissipation efficiency is difficult to ensure. Therefore, based on the comprehensive consideration of the heat dissipation effect, the processing difficulty and the like, the steam generator 4 can be skillfully arranged on the side wall of the furnace chamber body 100 close to one side of the magnetron 2, the flow characteristic that the heat dissipation air flow discharged from the first branch air outlet 13c and the second branch air outlet 13d can be finally converged is utilized, the heat dissipation convergence with large air quantity and stability is obtained so as to efficiently dissipate heat of the steam generator 4, meanwhile, the arrangement of an independent heat dissipation air channel or a branch heat dissipation air channel aiming at the steam generator 4 can be omitted, and the structure is effectively simplified and the cost is reduced.
As shown in fig. 6, 8 and 14 to 17, the cooking apparatus may further include a filter plate assembly 5 located below the cavity body 100 and disposed adjacent to the front and rear of the frequency converter assembly 1, the filter plate assembly 5 including a filter plate bracket 51 and a filter plate body 52 mounted on the filter plate bracket 51. Because frequency converter subassembly 1 and filter plate subassembly 5 arrange compactly, can directly set up third reposition of redundant personnel air outlet 13e at the preceding lateral wall of frequency converter subassembly 1 to make third reposition of redundant personnel air outlet 13e arrange air towards filter plate subassembly 5, thereby save additionally to set up third reposition of redundant personnel scattered hot air duct. Of course, when the filter plate assembly 5 is disposed at other positions, an independent heat dissipation air duct or the third sub-flow heat dissipation air duct may be disposed, but it is necessary to ensure the internal structure and heat dissipation efficiency.
As shown in fig. 9 to 11, the frequency converter assembly 1 may include a first frequency converter bracket cover 14 and a second frequency converter bracket cover 15 that can be covered with each other, and a diversion heat dissipation fan 12 and a frequency converter body 11 that are installed in a covering cavity of the first frequency converter bracket cover 14 and the second frequency converter bracket cover 15, and make the covering cavity form a frequency converter heat dissipation air duct 13. More specifically, the induced-draft cooling fan 12 may be installed at the duct air intake end of the inverter cooling duct 13, and the inverter body 11 may be installed at the first split cooling duct 13 a. Therefore, the radiating air duct is formed in the assembly type structure, the structure compactness and the radiating efficiency can be simultaneously considered, and the requirements of light weight, safety, reliability and the like are met.
As shown in fig. 1 to 4, 6, 12 and 13, 15, 18 and 19, the cooking apparatus may include a main panel assembly 6 and a bottom panel assembly 7 disposed below the cavity body 100, with the main panel assembly 6 and the bottom panel assembly 7 being disposed up and down. Wherein, main control board subassembly 6 includes main control board support 61, main control board body 62 and the start radiator fan 63 of fixed mounting on main control board support 61, starts radiator fan 63 promptly and belongs to the component part of main control board subassembly 6, is favorable to improving compact structure nature. In addition, the inner cavity of the main control board bracket 61 is formed into a main control board heat dissipation air duct 64, that is, the internal structure of the assembly is directly utilized to form the heat dissipation air duct, which can simultaneously take account of the compactness and the heat dissipation efficiency. Specifically, the bottom plate assembly 7 and the main control board bracket 61 can be respectively provided with air inlet holes communicated with the main control board heat dissipation air duct 64, and the air inlet holes correspond to the bottom plate air inlet holes 71 and the bracket air inlet holes 61a respectively. Further, at least a portion of the bottom plate air inlet holes 71 may be disposed around and spaced apart from the power cord fixing holes 73 of the bottom plate assembly 7 to dissipate heat of the power cord in time. Therefore, the structure of the plurality of air inlet holes is beneficial to ensuring that the air inlet amount in the heat dissipation air duct is sufficient, so that continuous and stable heat dissipation air flow is formed, and the heat dissipation effect is ensured.
In some specific models, the main control board body 62 is arranged horizontally, and the main control board body 62 and the start-up cooling fan 63 are arranged in sequence along the horizontal direction. Under this structure and arrangement, if the start-up cooling fan 63 is an axial fan and the rotation axis is perpendicular to the horizontal plane of the main control board body 62, the amount of cooling airflow directly passing through the main control board body 62 is small, which may result in poor cooling effect of the main control board body 62. If the starting heat dissipation fan 63 is an axial fan and the rotating shaft is parallel to and spaced from the horizontal plate surface of the main control board body 62, although the heat dissipation effect of the main control board body 62 can be ensured, the bottom plate assembly 7 (also provided with a heat generating component) cannot be efficiently dissipated. In other words, the installation angle of the start-up cooling fan 63 needs to be selected while the heat dissipation effect between the balance base plate assembly 7 and the main control board body 62 is considered.
Therefore, in some preferred embodiments, an upward inclined angle is formed between the cross section of the rotating shaft of the starting heat dissipation fan 63 and the horizontal plate surface, and the fan air outlet end of the starting heat dissipation fan 63 faces the upper plate surface of the main control board body 62 and the fan air inlet end is arranged towards the bottom plate assembly 7, so as to ensure that a certain amount of heat dissipation airflow is passed through at the bottom plate assembly 7 and the main control board body 62, thereby obtaining heat dissipation balance of each area.
In some embodiments, to fully utilize the main control board heat dissipation air duct 64, the air outlet of the air duct can be disposed toward the power cord passing through the power cord fixing hole 73, so as to prevent the power cord from excessively heating and affecting the normal operation.
As shown in fig. 6, 8 and 14 to 17, the filter plate assembly 5 may be disposed adjacent to the main control plate assembly 6 along the horizontal direction, and a main control plate air discharge gap communicated with the main control plate heat dissipation air duct 64 is formed between the main control plate assembly 6 and the filter plate assembly 5. In other words, part of the heat dissipation airflow circulating through the main control board heat dissipation air duct 64 can be discharged to the filter board assembly 5 through the main control board air discharge gap, so as to cool and dissipate the heat. In combination with the above, the filter plate assembly 5 is also disposed adjacent to the front and rear of the frequency converter assembly 1, and can cool and dissipate heat through the third branch air outlet 13e on the front side wall of the frequency converter assembly 1. Therefore, in summary, the filter plate assembly 5 can be cooled and dissipated by the main control board air exhaust gap and the third outflow air opening 13e, and both the structural compactness and the heat dissipation efficiency can be taken into consideration. More specifically, referring to the figures, a main control panel vent gap may be formed between the main control panel assembly 6 and the frequency converter assembly 1.
In order to discharge the heat dissipation airflow passing through the filter plate assembly 5 in time, the bottom plate air outlet 72 may be disposed on the bottom plate assembly 7, and the bottom plate air outlet 72 is preferably disposed close to the filter plate assembly 5, so as to achieve rapid heat dissipation in a local area.
As shown in fig. 1, 4 and 5, at least a portion of the heat generating component is a sidewall component disposed on a sidewall of the cavity body 100. In the illustrated embodiment, the start-up heat dissipation fan 63 is disposed along the bottom wall side edge of the furnace chamber body 100, so as to skillfully utilize the bottom plate air exhaust gap formed between the start-up heat dissipation fan 63 and the bottom plate assembly 7, and the bottom plate air exhaust gap is communicated with the main control board heat dissipation air duct 64 and is located at the same side as the side wall component, so that part of the heat dissipation air flow in the main control board heat dissipation air duct 64 can be guided out to the side wall of the furnace chamber body 100 through the bottom plate air exhaust gap, thereby cooling and dissipating heat of the side wall. For example, the side wall components may be the light emitting elements 8 (light bulbs, etc.) and the micro switch assembly 9, and the conductive circuit on the side wall of the cavity body 100 is also cooled and dissipated.
It should be further noted that, in order to ensure that the bottom plate ventilation gap can be utilized to cool and dissipate heat of the side wall component, the first premise is to arrange the activated heat dissipation fan 63 along the side edge of the bottom wall of the cavity body 100. Otherwise, if the start-up heat dissipation fan 63 is disposed at the middle position below the oven cavity body 100, the heat dissipation airflow discharged from the bottom plate air exhaust gap will be spread around the lower edge of the oven cavity body 100, so that only a very small portion of the air volume can pass through the side wall of the oven cavity body 100, and obviously no effective heat dissipation effect can be provided. Of course, if the heat dissipation duct for the side wall component is additionally provided, the specific position of the starting heat dissipation fan 63 does not need to be limited, but based on the illustrated embodiment, the starting heat dissipation fan 63 is arranged along the side edge of the bottom wall of the oven cavity body 100, so that the structure is relatively simple and compact, and the requirements of light weight and low cost are better satisfied.
In addition, as shown in fig. 4, 20 and 21, the cooking apparatus may have a grill function, that is, may include a hot air convection assembly 10 disposed at a rear wall of the cavity body 100, and the hot air convection assembly 10 includes a motor cover 101, a hot air motor 102 and a motor heat radiation fan 103 fixedly connected to a motor shaft of the hot air motor 102. In addition, the cooking apparatus further includes a rear cover 300. Wherein, back shroud 300 is equipped with back shroud fresh air inlet 300a, and motor cover 101 is equipped with motor cover fresh air inlet 101a and motor cover exhaust vent 101 b.
When the cooking device uses a barbecue function, the hot air motor 102 starts to work, and simultaneously the motor heat dissipation fan 103 is driven to rotate, the motor heat dissipation fan 103 immediately drives heat dissipation airflow to sequentially pass through the rear cover air inlet hole 300a and the motor cover air inlet hole 101a to cool and dissipate heat of the hot air motor 102, and then the heat dissipation airflow can be discharged outside through the motor cover air outlet hole 101b, so that the hot air motor 102 is ensured to normally work at a proper temperature all the time.
As shown in fig. 22, a heat insulating member 400, such as heat insulating cotton having a low cost, may be further provided on an outer wall of the cavity body 100. This heat insulating part 400 can effectively obstruct the heat in the furnace chamber body 100 to the heating element transmission that sets up outside the furnace chamber body 100 to avoid heating element to be heated excessively.
As shown in fig. 1, the cooking apparatus further includes a side cover 200, and the side cover 200 is provided with a side cover outlet hole 200 a. When the heat dissipation fan 63 is started to work, the heat dissipation airflow is firstly guided from the bottom plate air inlet holes 71 and the bracket air inlet holes 61a, and is finally discharged from the side cover air outlet holes 200a after the heat dissipation airflow cools and dissipates heat of each heating element. Because the side cover exhaust vent 200a is located the side position, can not blow the user directly when hot-blast discharge in the built-in, use experience is better.
In addition, as can be known in the whole text, the cooking device of the invention can be a microwave oven, a steam box, an oven or a micro-steaming and baking all-in-one machine and other household appliances for heating food.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (12)
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| CN201910550890.6A CN110179324B (en) | 2019-06-24 | 2019-06-24 | Cooking device |
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| CN201910550890.6A CN110179324B (en) | 2019-06-24 | 2019-06-24 | Cooking device |
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| CN110179324B true CN110179324B (en) | 2021-05-07 |
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| CN110913522A (en) * | 2019-11-29 | 2020-03-24 | 广东美的厨房电器制造有限公司 | Cooling air duct and microwave oven having the same |
| CN110848764B (en) * | 2019-12-11 | 2024-12-31 | 广东格兰仕集团有限公司 | Built-in microwave oven |
| CN110946478A (en) * | 2019-12-31 | 2020-04-03 | 广东美的厨房电器制造有限公司 | Heat dissipation assembly and cooking equipment |
| CN113116172B (en) * | 2019-12-31 | 2024-11-08 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN112021951A (en) * | 2020-07-09 | 2020-12-04 | 广东美的厨房电器制造有限公司 | cooking equipment |
| CN112167955B (en) * | 2020-10-10 | 2022-09-20 | 广东美的厨房电器制造有限公司 | Heat dissipation assembly of cooking utensil and cooking utensil with same |
| CN112773209B (en) * | 2021-01-28 | 2022-04-19 | 宁波方太厨具有限公司 | Steaming cooking device with less discharged steam |
| CN113543608B (en) * | 2021-08-18 | 2024-03-19 | 广东美的厨房电器制造有限公司 | Fan base, air duct components and cooking utensils |
| CN114060868B (en) * | 2021-10-18 | 2024-07-26 | 杭州永耀科技股份有限公司 | Heating cooking device |
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