WO2021115106A1 - 抽屉式微波炉 - Google Patents

抽屉式微波炉 Download PDF

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Publication number
WO2021115106A1
WO2021115106A1 PCT/CN2020/130655 CN2020130655W WO2021115106A1 WO 2021115106 A1 WO2021115106 A1 WO 2021115106A1 CN 2020130655 W CN2020130655 W CN 2020130655W WO 2021115106 A1 WO2021115106 A1 WO 2021115106A1
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WO
WIPO (PCT)
Prior art keywords
air
fan
partition
cover plate
air inlet
Prior art date
Application number
PCT/CN2020/130655
Other languages
English (en)
French (fr)
Inventor
封梁旺
李丰
Original Assignee
广东格兰仕集团有限公司
广东格兰仕微波生活电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东格兰仕集团有限公司, 广东格兰仕微波生活电器制造有限公司 filed Critical 广东格兰仕集团有限公司
Priority to US17/442,293 priority Critical patent/US20220167472A1/en
Priority to CA3134166A priority patent/CA3134166C/en
Publication of WO2021115106A1 publication Critical patent/WO2021115106A1/zh

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/80Apparatus for specific applications
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/642Cooling of the microwave components and related air circulation systems
    • H05B6/6423Cooling of the microwave components and related air circulation systems wherein the microwave oven air circulation system is also used as air extracting hood
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/6414Aspects relating to the door of the microwave heating apparatus
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/642Cooling of the microwave components and related air circulation systems
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/6426Aspects relating to the exterior of the microwave heating apparatus, e.g. metal casing, power cord

Definitions

  • the invention relates to the technical field of microwave ovens, in particular to a drawer type microwave oven.
  • the door and cabinet of the microwave oven are connected by hinges or sliding rails.
  • the hinged door is a rotating door and the sliding door is a drawer-type door.
  • the whole machine is usually called a drawer-type microwave oven.
  • the drawer type microwave oven uses a slide rail motor to drive the slide rail to move back and forth, thereby automatically opening or closing the door.
  • the food will produce high-temperature water vapor after being heated.
  • the high-temperature water vapor is generally discharged to the side wall and the box through the outlet mesh opening on the side wall of the cooking cavity. In the space between the side walls of the shell, it is discharged to the outside of the box.
  • the drawer type microwave oven includes slide rails located on both sides of the cooking cavity and a driving motor for driving the slide rails. Since the control system needs to precisely control the drive motor and drive the slide rail to move accurately, both the slide rail and the drive motor are arranged in the space between the side wall of the cooking cavity and the side wall of the casing of the box. However, after the drawer type microwave oven has been working for a long time, the slide rail and the drive motor are prone to damage and cannot work normally.
  • a drawer type microwave oven comprising: a box body and a door body, the box body including a shell and a cooking cavity arranged in the shell, the shell and the cooking cavity are both provided with
  • the door body corresponds to the mouth, the door body can be opened to cover the mouth, the shell includes a first side cover plate and a second side cover plate oppositely arranged, and the cooking cavity
  • An air outlet mesh is provided on the cavity wall opposite to the first side cover plate; the front plate is arranged around the circumference of the mouth of the cooking cavity, and the bottom of the front plate is provided with a through hole.
  • a first interval area is formed between the first side cover plate and the cavity wall of the cooking cavity, and the front air outlet is communicated with the first interval area
  • the door body and the front plate are attached to seal the mouth; the first slide rail, the second slide rail and the drive motor, the first slide rail is arranged in the cooking cavity
  • the first side cover, the second slide rail is provided between the cooking cavity and the second side cover, and the drive motor is provided between the second side cover and the second side cover.
  • the driving motor is used to drive the second slide rail to move; a drainage assembly, where the air inlet end of the drainage assembly is in communication with the air outlet mesh, The air outlet end of the drainage assembly is arranged at the bottom of the first interval area.
  • the high-temperature water vapor inside the cooking cavity is discharged into the drainage assembly through the air outlet mesh, and is drained and discharged by the drainage assembly to the bottom of the first compartment, and then flows along the bottom of the cooking cavity through
  • the front air outlet is discharged to the outside of the box, so as to avoid high temperature water vapor from contacting and damaging the first slide rail, and high temperature water vapor will not contact the second slide rail and the drive motor, which can greatly reduce the sliding of high temperature water vapor.
  • the degree of erosion of the rail and the drive motor can make the slide rail and the drive motor of the drawer type microwave oven less prone to damage and achieve long-term normal operation.
  • the housing further includes a rear cover plate connected to the first side cover plate and the second side cover plate respectively, and the rear cover plate is different from the rear wall of the cooking cavity.
  • a third separation area is formed between the airflow guide;
  • the air guiding assembly includes a first air guiding hood, a side partition and a second air guiding hood; the first air guiding hood is arranged outside the air outlet mesh, and the side partition Is arranged at the junction of the first interval area and the third interval area, the first interval area is isolated from the third interval area by the side partitions, and two partitions are provided on the side partitions.
  • the second air guide cover is arranged outside the two air guide openings of the side partitions, and the first air guide cover passes through one of the air guide openings and the second air guide cover Are in communication with each other, and the other air guide port forms the air outlet end of the air guide assembly.
  • the drawer type microwave oven further includes a cooling fan, a variable frequency power supply and a magnetron; the cooling fan, the variable frequency power supply and the magnetron are all arranged in the third compartment area, The outlet air of the cooling fan passes through the magnetron and the variable frequency power supply;
  • the housing further includes a bottom cover plate provided at the bottom of the cooking cavity, and the bottom cover plate is respectively connected to the first side cover plate, the rear cover plate, and the second side cover plate;
  • At least one of the bottom cover plate, the first side cover plate, and the rear cover plate is provided with an air inlet mesh that communicates with the third separation area; the rear of the cooking cavity
  • the wall is provided with air inlet mesh.
  • the housing further includes a top cover plate provided on the top of the cooking cavity, and the top cover plate is respectively connected to the first side cover plate and the rear cover plate;
  • a fourth interval area is formed between the top wall of the cooking cavity and the top cover plate, and the fourth interval area is respectively communicated with the first interval area and the third interval area.
  • a side of the top wall of the cooking cavity away from the door body is provided with a transverse edge, the transverse edge is attached to the top cover plate, and the transverse edge The two ends of the are respectively spaced apart from the first side cover plate and the second side cover plate.
  • the lateral surrounding edge includes a main body surrounding edge and an arc-shaped surrounding edge connected to one end of the main body surrounding edge, and the arc-shaped surrounding edge is used to guide the wind to the first interval area.
  • the top wall of the cooking cavity is also provided with a guiding edge, a ventilation interval is provided between the guiding edge and the other end of the main body surround, and the guiding edge extends toward the middle part of the cooking cavity Set up.
  • the second air deflector is located on a side of the side partition away from the front plate, and the heat dissipation fan and the air inlet mesh are both arranged in the third interval One end of the area is close to the drainage assembly.
  • the heat dissipation fan includes a first fan that dissipates heat to the variable frequency power supply and a second fan that dissipates heat to the magnetron;
  • the air inlet mesh includes a side air inlet mesh and a bottom inlet air hole.
  • the first side cover is close to the rear cover and one of the corners of the bottom cover is provided with the side air inlet mesh, and the bottom cover is close to the first One of the corners of one side cover and the rear cover is provided with the bottom air inlet mesh;
  • the surface of the air inlet of the first fan is arranged obliquely with respect to the bottom cover, the first The air inlet of the fan faces the side air inlet mesh and the bottom air inlet mesh, the air outlet of the first fan faces the variable frequency power supply, and the air inlet of the second fan Where is facing the bottom air intake mesh or the side air intake mesh, and the air outlet of the second fan is located facing the magnetron.
  • the rear cover plate is provided with a rear air inlet mesh close to one of the corners of the first side cover plate and the bottom cover plate.
  • the first fan is arranged above the second fan, and the included angle between the central axis of the first fan and the central axis of the second fan is A, and A is less than 90°.
  • the second fan is a vortex fan
  • the upper surface and the lower surface of the vortex fan are provided with air inlets
  • the lower surface of the vortex fan is connected with a third wind deflector
  • the first The top plate of the three wind deflector is provided with a first vent communicating with the air inlet on the lower surface of the vortex fan
  • the motor of the vortex fan is arranged in the third wind deflector
  • the third wind deflector The cover is arranged in a part of the bottom air inlet mesh, and the projection of the first fan on the bottom cover plate along the vertical direction is located in another part of the bottom air inlet mesh.
  • a ventilation gap is provided between the first fan and the second fan.
  • the housing of the variable frequency power supply is provided with a first transverse ventilation channel
  • the air outlet of the first fan is connected to one of the ports of the first transverse ventilation channel
  • the first The outer wall of the other port of the transverse ventilation channel is connected with a vertical partition and a transverse partition, the vertical partition and the transverse partition are arranged on the periphery of the magnetron, and the vertical partition is on the A second vent is provided, and the air outlet of the second fan communicates with the second vent.
  • the power connection joint of the magnetron is arranged adjacent to the transverse partition; the transverse partition is provided with a third ventilation corresponding to the power connector of the magnetron The third vent is located on the side of the horizontal partition close to the vertical partition.
  • the drawer type microwave oven further includes a fourth air deflector
  • the radiator shell of the magnetron is provided with a second transverse ventilation channel
  • the fourth air deflector is arranged at the With regard to the air inlet mesh, the second air vent, the second lateral air flow channel, and the air inlet of the fourth air deflector are connected in sequence.
  • a heat conducting edge is provided at the air inlet of the fourth wind deflector, and the heat conducting edge is attached to the magnetron.
  • the drawer type microwave oven further includes a first partition that is connected to the bottom edge of the front plate or is connected to the bottom of the bottom cover plate close to the mouth. Connected to the side, the first partition is located below the door body and is formed with a front air outlet with the bottom end of the door body, and the bottom side of the bottom cover plate of the housing is provided with a downward protrusion The supporting foot, the first partition and the supporting surface on which the supporting foot is placed are formed with a front air inlet.
  • the drawer type microwave oven further includes a second partition, a fifth partition area is formed between the cavity wall of the cooking cavity and the bottom cover plate, and the second partition is disposed at the In the fifth compartment area, the bottom space of the first compartment area is separated from each other by the second partition and the bottom space of the second compartment area.
  • FIG. 1 is a schematic structural view of one perspective view of the drawer type microwave oven according to an embodiment of the present invention when the door is opened and the top cover is opened;
  • FIG. 2 is a schematic structural view of another perspective view of the drawer type microwave oven according to an embodiment of the present invention when the door is opened and the top cover is opened;
  • FIG. 3 is a schematic diagram of an exploded structure of a drawer type microwave oven according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of the drawer type microwave oven with the first side cover and the rear cover opened according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram from another perspective when the first side cover and the rear cover of the drawer type microwave oven according to an embodiment of the present invention are opened;
  • FIG. 6 is a schematic diagram of an exploded structure of a drawer type microwave oven according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of the drawer type microwave oven according to an embodiment of the present invention when the first side cover and the rear cover are opened, and the drainage assembly and the fourth wind hood are exploded;
  • FIG. 8 is a schematic structural diagram of the drawer type microwave oven according to an embodiment of the present invention, with the door body removed and the drainage assembly and the fourth air guide hood disassembled;
  • FIG. 9 is a schematic structural diagram of the drawer type microwave oven according to an embodiment of the present invention when the first side cover and the rear cover are opened and the fourth air guide hood is exploded;
  • Fig. 10 is a schematic diagram of the internal structure of the open rear cover of the drawer type microwave oven according to an embodiment of the present invention.
  • First fan 6111, central axis; 612, second fan; 6121, fan motor; 6122, central axis; 613, ventilation gap; 62, variable frequency power supply; 621, housing; 63. Magnetron; 631. Power connection connector; 632. Radiator shell; 64. Hot air component; 641. Heating tube; 642. Hot stirring fan; 643. Hot air motor; 65. Control box; 66.
  • Third air guide Cover 661, baffle; 662, mounting plate; 71, horizontal edge; 711, main body edge; 712, curved edge; 72, guide edge; 73, ventilation interval; 74, vertical partition; 741, The second vent; 75, the horizontal partition; 751, the third vent; 76, the fourth wind hood; 761, the heat conduction side; 81, the first partition; 82, the second partition; 83, the front side outlet tuyere.
  • first and second are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include at least one of the features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • a drawer type microwave oven includes a box body 10, a door body 20, a front plate 30, a first slide rail 41, a second slide rail 42, and a drive motor 43 and drainage assembly 50.
  • the box body 10 includes a shell 11 and a cooking cavity 12 arranged in the shell 11. Both the housing 11 and the cooking cavity 12 are provided with a mouth corresponding to the door body 20, and the door body 20 can be opened to cover the mouth.
  • the housing 11 includes a first side cover 111 and a second side cover 112 opposite to each other.
  • An air outlet mesh 121 is provided on the cavity wall of the cooking cavity 12 opposite to the first side cover 111.
  • the front plate 30 is arranged around the circumference of the mouth of the cooking cavity 12, and the bottom of the front plate 30 is provided with a front side air outlet 31 penetrating the front plate 30.
  • a first interval area is formed between the first side cover 111 and the cavity wall of the cooking cavity 12, and the front side air outlet 31 communicates with the first interval area.
  • the first sliding rail 41 is disposed between the cooking cavity 12 and the first side cover 111
  • the second sliding rail 42 is disposed between the cooking cavity 12 and the second side cover 111 112
  • the driving motor 43 is arranged in a second interval area between the second side cover 112 and the cavity wall of the cooking cavity 12, and the driving motor 43 is used to drive the second sliding The rail 42 moves.
  • the air intake end of the drainage assembly 50 is communicated with the air outlet mesh 121, and the air outlet end of the drainage assembly 50 is disposed at the bottom of the first interval area.
  • the high-temperature water vapor inside the cooking cavity 12 is discharged into the drainage assembly 50 through the air outlet mesh 121, is drained and discharged to the bottom of the first compartment area by the drainage assembly 50, and then follows the cooking cavity 12 Flow through the bottom of the front side air outlet 31 to the outside of the box body 10, so as to avoid high temperature water vapor contact and damage to the first slide rail 41, high temperature water vapor will not contact the second slide rail 42 and the drive motor 43. That is, it can greatly reduce the erosion degree of high temperature water vapor to the slide rail and the drive motor 43, so that the slide rail and the drive motor 43 of the drawer type microwave oven are not easily damaged, and long-term normal operation can be realized.
  • the housing 11 further includes a rear cover plate 113 connected to the first side cover plate 111 and the second side cover plate 112 respectively.
  • a third separation area is formed between the rear cover plate 113 and the rear wall of the cooking cavity 12.
  • the air guiding assembly 50 includes a first air guiding cover 51, a side partition 52 and a second air guiding cover 53.
  • the first air duct 51 is arranged outside the air outlet mesh 121
  • the side partition 52 is arranged at the junction of the first interval area and the third interval area, and the first interval area
  • the side partition 52 is isolated from the third compartment area, the side partition 52 is provided with two air guide openings 521, and the second air guide 53 covers the side partition 52.
  • the first air guide 51 communicates with the second air guide 53 through one of the air guide openings 521, and the other air guide 521 forms the air guide assembly 50 The venting end.
  • the high-temperature water vapor discharged from the air outlet mesh 121 is drained and discharged to the bottom of the first compartment area through the drainage assembly 50.
  • the side partition 52 can prevent the high temperature water vapor from entering the third compartment area and affecting the normal operation of the electronic components (for example, the variable frequency power supply 62 and the magnetron 63).
  • the side partitions 52 are arranged at the junction of the first compartment area and the third compartment area, the cold air entering the third compartment area contacts the drainage assembly 50.
  • the high-temperature water vapor of the drainage assembly 50 plays a role of rapid air cooling, thereby reducing the temperature of the high-temperature water vapor, and reducing the erosion degree of the first slide rail 41 by the high-temperature water vapor discharged from the outlet end of the drainage assembly 50.
  • the separation of the first partition area from the third partition area by the side partition 52 means that the opposite side edges of the side partition 52 are connected to the cooking cavity 12 respectively.
  • the cavity wall is attached to the first side cover 111, the bottom edge of the side partition 52 is attached to the bottom cover 114, and the top edge of the side partition 52 extends vertically upward to the top cover 115.
  • the drawer type microwave oven further includes a cooling fan, a variable frequency power supply 62 and a magnetron 63.
  • the heat dissipation fan, the variable frequency power supply 62 and the magnetron 63 are all arranged in the third interval area, and the air discharged from the heat dissipation fan passes through the magnetron 63 and the variable frequency power supply 62.
  • the housing 11 further includes a bottom cover 114 disposed at the bottom of the cooking cavity 12, and the bottom cover 114 is connected to the first side cover 111, the rear cover 113, and the second cover respectively. The side cover 112 is connected.
  • At least one of the bottom cover 114, the first side cover 111 and the rear cover 113 is provided with an air inlet mesh that communicates with the third separation area.
  • the rear wall of the cooking cavity 12 is provided with an air inlet hole 122.
  • the outside cold air enters the third compartment area through the air inlet mesh under the action of the cooling fan, and air-cools the variable frequency power supply 62 and the magnetron 63.
  • Part of the wind enters the inside of the cooking cavity 12 through the air inlet mesh 122 and is discharged from the outlet mesh 121; the other part of the wind faces the second compartment, the top wall of the cooking cavity 12 and the top cover 115
  • the flow in the fourth interval area between them will finally be discharged through the first interval area and the front air outlet 31 in sequence.
  • the housing 11 further includes a top cover 115 provided on the top of the cooking cavity 12.
  • the top cover 115 is connected to the first side cover 111 and the rear cover 113 respectively.
  • a fourth interval area is formed between the top wall of the cooking cavity 12 and the top cover 115, and the fourth interval area is respectively communicated with the first interval area and the third interval area. In this way, the wind in the third interval area flows to the fourth interval area, flows toward the first interval area through the fourth interval area and flows to the bottom of the first interval area, and finally passes through the first interval area and the front air outlet 31 to Exhaust.
  • the water vapor discharged from the air outlet end of the drainage assembly 50 can be suppressed, so that the water vapor does not flow upward to contact the first slide rail 41, thereby enabling The degree of erosion on the first slide rail 41 is further reduced.
  • a hot air assembly 64 is provided on the top wall of the cooking cavity 12.
  • the hot air assembly 64 includes a heating tube 641, a hot stirring fan 642 with metal fan blades, and a hot air motor 643 driving the hot stirring fan 642.
  • the hot air motor 643 can be dissipated, preventing heat from accumulating on the top of the box 10 and affecting the control box 65 located on the side of the hot air assembly 64.
  • a control box 65 is provided on the top cover 115.
  • the control box 65 is, for example, arranged on the top cover 115 on a side close to the door body 20 to facilitate the operation of the control box 65.
  • the control box 65 can also be arranged at other positions on the top cover 115.
  • the top wall of the cooking cavity 12 is provided with a lateral edge 71 on the side away from the door 20, and the lateral edge 71 is connected to the
  • the top cover plate 115 is attached to each other, and both ends of the lateral surrounding edge 71 are spaced apart from the first side cover plate 111 and the second side cover plate 112 respectively.
  • the horizontal enclosure 71 separates the hot air assembly 64 from the variable frequency power supply 62 and the magnetron 63, which can prevent the heat generated by the hot air assembly 64 from jumping to the variable frequency power supply 62 and the magnetron 63 behind the horizontal enclosure 71, thereby affecting To the normal operation of the variable frequency power supply 62 and the magnetron 63.
  • the lateral surrounding edge 71 includes a main body surrounding edge 711 and an arc-shaped surrounding edge 712 connected to one end of the main body surrounding edge 711.
  • the arc-shaped surrounding edge 712 is used to guide the wind to the first interval area.
  • the top wall of the cooking cavity 12 is further provided with a guiding edge 72, a ventilation interval 73 is provided between the guiding edge 72 and the other end of the main body 711, and the guiding edge 72 faces the cooking cavity
  • the middle part of the body 12 extends.
  • a part of the wind discharged by the cooling fan flows along the lateral border 71 and enters the first compartment area, and then is discharged from the front air outlet 31 of the front plate 30; the other part of the wind discharged by the cooling fan
  • the wind enters the top of the cooking cavity 12 from the ventilation interval 73, then flows through the hot air assembly 64 and enters the first interval area, and is also discharged from the front air outlet 31 of the front plate 30.
  • the second air deflector 53 is located on the side of the side partition 52 away from the front plate 30, and the heat dissipation fan is connected to the
  • the air inlet meshes are all arranged at one end of the third separation area close to the drainage assembly 50. In this way, the outside cold wind entering the end of the third compartment close to the drainage assembly 50 will contact the drainage assembly 50, so as to achieve a better cooling effect on the high-temperature water vapor in the drainage assembly 50, which is conducive to the final view from the front side.
  • the temperature of the gas discharged from the air outlet 31 is relatively low, so that the operator will not feel uncomfortable due to the high temperature of the discharged gas.
  • the cooling fan includes a first fan 611 for dissipating heat to the variable frequency power supply 62 and a second fan 612 for dissipating heat to the magnetron 63.
  • the air intake mesh includes a side air intake mesh 1111 and a bottom air intake mesh 1141.
  • the first side cover 111 is close to the rear cover 113 and one of the corners of the bottom cover 114 is provided with the side air inlet mesh 1111, and the bottom cover 114 is close to the One of the corners of the first side cover 111 and the rear cover 113 is provided with the bottom air inlet mesh 1141.
  • the air inlet of the first fan 611 is located obliquely with respect to the bottom cover 114, and the air inlet of the first fan 611 faces the side air inlet mesh 1111 and the bottom air inlet.
  • Mesh 1141, the air outlet of the first fan 611 is located facing the variable frequency power supply 62, and the air inlet of the second fan 612 is located facing the bottom air inlet mesh 1141 or the side inlet.
  • the first fan 611 draws in the air outside the cabinet 10 through the side air inlet mesh 1111 and the bottom air inlet mesh 1141, and blows it to the variable frequency power source 62 to dissipate the variable frequency power source 62, and the amount of air that enters Larger, it has a good heat dissipation effect on the variable frequency power supply 62.
  • the second fan 612 draws in the air outside the cabinet 10 through the bottom air inlet mesh 1141 or the side air inlet mesh 1111, and blows it to the magnetron 63.
  • the first fan 611 can be arranged to a certain extent relative to the horizontal arrangement. The horizontal space occupied by the first fan 611 is reduced, so that the volume of the cooking cavity 12 is increased while the heat dissipation effect is improved.
  • the rear cover plate 113 is close to the first side cover plate 111 and one of the corners of the bottom cover plate 114 is provided with a rear air inlet Mesh 1131.
  • the outside air of the box body 10 can also enter the box body 10 through the rear air inlet mesh 1131 to increase the air inlet air volume and ensure a better heat dissipation effect.
  • the first fan 611 is disposed above the second fan 612, and the central axis 6111 of the first fan 611 is connected to the second fan
  • the included angle of the central axis 6122 of 612 is A, and A is less than 90°.
  • the central axis 6111 of the first fan 611 refers to the axis line perpendicular to the surface of the air inlet of the first fan 611
  • the central axis 6122 of the second fan 612 refers to the axis perpendicular to the second fan 612.
  • the included angle A between the central axis 6111 of the first fan 611 and the central axis 6122 of the second fan 612 is 30°-40°, preferably, A is 36°.
  • the second fan 612 is a vortex fan
  • the upper and lower surfaces of the vortex fan are provided with air inlets
  • a third wind deflector 66 is connected.
  • the top plate of the third wind deflector 66 is provided with a first vent communicating with the air inlet on the lower surface of the vortex fan, and the motor of the vortex fan is arranged on the In the third air guide 66, the third air guide 66 is provided on a part of the bottom air inlet mesh 1141, and the first fan 611 is installed on the bottom cover 114 along the vertical direction.
  • the projection of is located in another part of the bottom air inlet mesh 1141.
  • the third air guide hood 66 can divide the air entering the housing 11 from the bottom air inlet mesh 1141 into two independently isolated winds, one of which is sucked in by the air inlet of the first fan 611, and the other The air is sucked in by the air inlet of the second fan 612, and the two air streams will not be confused and partially offset, which improves the utilization rate of cold air and ensures the heat dissipation effect;
  • the fan motor 6121 of the vortex fan is arranged in the third air guide 66 and enters The air flow into the third air deflector 66 has a heat dissipation effect on the fan motor 6121, which improves the service life of the fan motor 6121.
  • the third wind deflector 66 includes two baffles 661 arranged at intervals and a mounting plate 662 connecting the two baffles 661.
  • the first vent is formed on the installation board 662.
  • the baffle 661 is connected to the rear wall of the cooking cavity 12 and the rear cover 113 respectively.
  • the fan motor 6121 of the second fan 612 is arranged between the two baffles 661.
  • the area between the two baffles 661 is opposite to the rear air inlet mesh 1131 of the rear cover plate 113, and outside air can enter between the two baffles 661 through the rear air inlet mesh 1131.
  • the mounting plate 662 is opposite to the bottom air inlet mesh 1141 of the bottom cover plate 114, and outside air can also enter the third air guide hood 66 through the bottom air inlet mesh 1141.
  • a ventilation gap 613 is provided between the first fan 611 and the second fan 612.
  • a part of the wind enters the third air duct 66 through the bottom air intake mesh 1141 and enters the air intake on the lower surface of the second fan 612, and the other part enters the housing through the bottom air intake mesh 1141 and the side air intake mesh 1111. 11, and enters the air inlet on the upper surface of the second fan 612 from the ventilation gap 613 between the first fan 611 and the second fan 612, thereby increasing the cold air inlet volume of the second fan 612 and having better heat dissipation effect.
  • the housing 621 of the variable frequency power supply 62 is provided with a first transverse ventilation channel, and the air outlet of the first fan 611 communicates with the first transverse direction.
  • One of the ports of the air flow channel is communicated, and the outer wall of the other port of the first transverse ventilation flow channel is connected with a vertical partition 74 and a transverse partition 75.
  • the vertical partition 74 and the transverse partition 75 are arranged on the periphery of the magnetron 63, the vertical partition 74 is provided with a second vent 741, and the air outlet of the second fan 612 It communicates with the second vent 741.
  • the cold air sent from the air outlet of the first fan 611 enters the first lateral ventilation channel to achieve better heat dissipation of the variable frequency power supply 62; on the other hand, the role of the vertical partition 74 and the horizontal partition 75 Bottom, the two air currents will not be confused but partially offset, improve the utilization rate of cold air, and ensure the heat dissipation effect.
  • the horizontal partition 75 is also connected to the rear wall of the cooking cavity 12 and the rear cover 113 respectively.
  • the vertical partition 74 is also connected to the rear wall of the cooking cavity 12 and the rear cover 113 respectively.
  • the power connection joint 631 of the magnetron 63 is arranged adjacent to the transverse partition 75.
  • the transverse partition 75 is provided with a third vent 751 corresponding to the power connector of the magnetron 63.
  • the third vent 751 is located on the side of the horizontal partition 75 close to the vertical partition 74. In this way, after the cold air of the first fan 611 flows out through the first transverse ventilation channel, part of the wind flows into the space area where the magnetron 63 is located through the third vent 751, and flows into the magnetron 63 from top to bottom. When it is in the area, the full heat exchange contact with the magnetron 63 can lower the temperature of the magnetron 63 better. In addition, it is possible to prevent a cyclone in the area where the magnetron 63 is located.
  • the drawer type microwave oven further includes a fourth air deflector 76
  • the radiator housing 632 of the magnetron 63 is provided with a second transverse ventilation flow channel
  • the fourth air deflector 76 is arranged at the With respect to the air inlet mesh 122, the second air vent 741, the second lateral air flow channel, and the air inlet of the fourth air guide 76 are connected in sequence. In this way, the cold air from the second fan 612 enters the fourth air guide hood 76 through the second vent 741 and the second lateral ventilation channel, and then enters the cooking cavity 12 through the air inlet mesh 122.
  • the fourth air guide 76 is provided with a thermally conductive edge 761 at the air inlet, and the thermally conductive edge 761 is attached to the magnetron 63 .
  • the heat conducting edge 761 is attached to the radiator housing 632 of the magnetron 63, and the heat conduction principle is used to conduct the heat on the radiator housing 632 of the magnetron 63 to the fourth air deflector 76 to improve the magnetron. The heat dissipation effect of the tube 63.
  • the power connection joint 631 of the magnetron 63 is arranged adjacent to the transverse partition 75, and the transverse partition 75 There is a third vent 751 corresponding to the power connector of the magnetron 63, and the third vent 751 is located on the side of the transverse partition 75 close to the vertical partition 74 .
  • the built-in microwave oven further includes a fourth air guide 76, the radiator housing 632 of the magnetron 63 is provided with a second transverse ventilation flow channel, and the rear wall of the cooking cavity 12 is provided with air inlet meshes. 122.
  • the fourth air deflector 76 is arranged on the air inlet mesh 122, and the second air vent 741, the second lateral ventilation channel, and the air inlet of the fourth air deflector 76 are arranged in sequence Connected. In this way, when there is only the wind blown by the second fan 612 in the fourth wind deflector 76, whirlwind is easily generated in the fourth wind deflector 76, and after the third vent 751 is provided on the transverse partition 75, The wind blown by the first fan 611 can enter the area where the magnetron 63 is located from top to bottom through the third vent 751, and enters the fourth wind deflector 76, thereby helping to avoid the generation of cyclone, and at the same time to the magnetron
  • the control tube 63 has a good heat dissipation effect.
  • the drawer type microwave oven also includes a container connected with the door body 20 for placing cooking objects.
  • the drawer type microwave oven further includes a first partition 81.
  • the first partition 81 is connected to the bottom edge of the front panel 30 or to the side of the bottom cover 114 close to the mouth, and the first partition 81 is located on the door body 20.
  • a front air outlet 83 is formed below and with the bottom end of the door body 20, a supporting leg 1142 protruding downward is provided on the bottom side of the bottom cover 114, and the first partition 81 is connected to the
  • the supporting surface (for example, the bottom wall of the cabinet) on which the supporting feet 1142 are placed is formed with a front air inlet.
  • the first partition 81 can prevent the cold air from the front air inlet and the hot air from the front air outlet 83 from mixing with each other, and prevent the hot air from the front air outlet 83 from directly entering the front air inlet and entering the cabinet 10 Inside, it has a better buffering effect, that is, the hot air is discharged from the front air outlet 83 and dissipates heat from the outside air, and then enters the cabinet 10 after passing through the front air inlet; in addition, the front air outlet 83 is discharged The hot air can be reflected to the upper front side of the box body 10 through the first partition 81, so that it is not easy to be sucked in by the front air inlet.
  • the drawer type microwave oven further includes a second partition 82.
  • a fifth partition area is formed between the cavity wall of the cooking cavity 12 and the bottom cover 114, the second partition 82 is disposed in the fifth partition area, and the bottom space of the first partition area passes The second partition 82 is isolated from the bottom space of the second separation area.
  • the second partition 82 can divide the fifth partition area into two left and right spaces, which can prevent the high temperature water vapor discharged from the outlet mesh 121 from entering the second partition area, thereby preventing the high temperature water vapor from corroding the second slide rail 42 With the drive motor 43.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)

Abstract

一种抽屉式微波炉,包括箱体(10)、门体(20)、前板(30)、第一滑轨(41)、第二滑轨(42)、驱动电机(43)及引流组件(50)。引流组件(50)的进气端与出气网孔(121)相连通,引流组件(50)的出气端设置于第一间隔区域的底部。抽屉式微波炉工作时,烹饪腔体(12)的内部的高温水汽通过出气网孔(121)排出到引流组件(50)中,由引流组件(50)引流排出到第一间隔区域的底部,然后顺着烹饪腔体(12)的底部流动,经前侧出风孔向外排放到箱体(10)的外部,从而能避免高温水汽接触损坏到第一滑轨(41),高温水汽更不会接触到第二滑轨(42)与驱动电机(43)。

Description

抽屉式微波炉 技术领域
本发明涉及微波炉技术领域,特别是涉及一种抽屉式微波炉。
背景技术
微波炉的门体与箱体的连接结构采用铰接或滑轨连接,其中采用铰接方式的为转动门体,采用滑轨连接的为抽屉式门体,而整机通常也叫抽屉式微波炉。其中,抽屉式微波炉采用滑轨电机来驱动滑轨前后移动,进而实现自动打开或关闭门体。抽屉式微波炉在加热过程中,尤其是带电热管的微波炉加热时,食物受热后会产生高温水汽,高温水汽一般通过烹饪腔体的侧壁所开设的出气网孔排放到腔体侧壁与箱体外壳侧壁之间的空间内,再排到箱体外界。此外,抽屉式微波炉包括位于烹饪腔体两侧的滑轨、及用于驱动滑轨的驱动电机。由于控制系统需要精密地控制驱动电机并带动滑轨精确移动,滑轨和驱动电机均设置于烹饪腔体的侧壁与箱体的外壳侧壁之间的空间内。然而,抽屉式微波炉长期工作后,滑轨与驱动电机容易出现损坏现象而导致无法正常工作。
发明内容
基于此,有必要克服现有技术的缺陷,提供一种抽屉式微波炉,它能够使得抽屉式微波炉的滑轨与驱动电机不容易出现损坏现象,能实现长期正常工作。
其技术方案如下:一种抽屉式微波炉,包括:箱体与门体,所述箱体包括外壳及设置于所述外壳内的烹饪腔体,所述外壳与所述烹饪腔体均设有与所述门体对应的口部,所述门体可打开地盖合于所述口部,所述外壳包括相对设置的第一侧盖板与第二侧盖板,所述烹饪腔体的与所述第一侧盖板相对设置的腔壁上设有出气网孔;前板,所述前板绕所述烹饪腔体的口部的周向设置,所述前板的底部设有贯穿所述前板的前侧出风孔,所述第一侧盖板与所述烹饪腔体的腔壁之间形成第一间隔区域,所述前侧出风孔和所述第一间隔区域相连通,当关门时,所述门体与所述前板相贴合封住所述口部;第一滑轨、第二滑轨与驱动电机,所述第一滑轨设置于所述烹饪腔体与所述第一侧盖板之间,所述第二滑轨设置于所述烹饪腔体与所述第二侧盖板之间,所述驱动电机设置于所述第二侧盖板与所述烹饪腔体的腔壁之间的第二间隔区域,所述驱动电机用于驱动所述第二滑轨移动;引流组件,所述引流组件的进气端与所述出气网孔相连通,所述引流组件的出气端设置于所述第一间隔区域的底部。
上述的抽屉式微波炉工作时,烹饪腔体的内部的高温水汽通过出气网孔排出到引流组件中,由引流组件引流排出到第一间隔区域的底部,然后顺着烹饪腔体的底部流动,经前侧出风孔向外排放到箱体的外部,从而能避免高温水汽接触损坏到第一滑轨,高温水汽更不会接触到第二滑轨与驱动电机,即能大大降低高温水汽对滑轨与驱动电机的侵蚀程度,从而能使得抽屉式微波炉的滑轨与驱动电机不容易出现损坏现象,实现长期正常工作。
在其中一个实施例中,所述外壳还包括分别与所述第一侧盖板、所述第二侧盖板相连的后盖板,所述后盖板与所述烹饪腔体的后壁之间形成第三间隔区域;所述引流组件包括第一导风罩、侧隔板与第二导风罩;所述第一导风罩罩设于所述出气网孔外,所述侧隔板设置于所述第一间隔区域与所述第三间隔区域的交界处,所述第一间隔区域通过所述侧隔板与所述第三间隔区域相隔离,所述侧隔板上设有两个导风口,所述第二导风罩罩设于所述侧隔板的 两个所述导风口外,所述第一导风罩通过其中一个所述导风口与所述第二导风罩相连通,另一个所述导风口形成所述引流组件的出气端。
在其中一个实施例中,所述的抽屉式微波炉还包括散热风扇、变频电源与磁控管;所述散热风扇、所述变频电源与所述磁控管均设置于所述第三间隔区域,所述散热风扇的出风经过所述磁控管与所述变频电源;
所述外壳还包括设置于所述烹饪腔体的底部的底盖板,所述底盖板分别与所述第一侧盖板、所述后盖板、所述第二侧盖板相连;
所述底盖板、所述第一侧盖板与所述后盖板中的至少一个板件上设有与所述第三间隔区域相连通的进风网孔;所述烹饪腔体的后壁上设有入风网孔。
在其中一个实施例中,所述外壳还包括设置于所述烹饪腔体的顶部的顶盖板,所述顶盖板分别与所述第一侧盖板、所述后盖板相连;所述烹饪腔体的顶壁与所述顶盖板之间形成有第四间隔区域,所述第四间隔区域分别与所述第一间隔区域、所述第三间隔区域相连通。
在其中一个实施例中,所述烹饪腔体的顶壁远离于所述门体的一侧设有横向围边,所述横向围边与所述顶盖板相贴合,所述横向围边的两端分别与所述第一侧盖板、所述第二侧盖板间隔设置。
在其中一个实施例中,所述横向围边包括主体围边及与所述主体围边的一端相连的弧形围边,所述弧形围边用于将风导向到所述第一间隔区域;所述烹饪腔体的顶壁上还设有导向边,所述导向边与所述主体围边的另一端之间设有通风间隔,所述导向边朝向所述烹饪腔体的中部部位延伸设置。
在其中一个实施例中,所述第二导风罩位于所述侧隔板的远离于所述前板的一侧,所述散热风扇与所述进风网孔均设置于所述第三间隔区域的靠近于所述引流组件的一端。
在其中一个实施例中,所述散热风扇包括给所述变频电源散热的第一风扇和给所述磁控管散热的第二风扇;所述进风网孔包括侧进风网孔与底进风网孔;所述第一侧盖板靠近于所述后盖板、所述底盖板的其中一个角部部位设有所述侧进风网孔,所述底盖板靠近于所述第一侧盖板、所述后盖板的其中一个角部部位设有所述底进风网孔;所述第一风扇的进风口的所在面相对于所述底盖板倾斜设置,所述第一风扇的进风口的所在面对着所述侧进风网孔与所述底进风网孔,所述第一风扇的出风口的所在面对着变频电源设置,所述第二风扇的进风口的所在面对着所述底进风网孔或所述侧进风网孔,所述第二风扇的出风口的所在面对着磁控管设置。
在其中一个实施例中,所述后盖板靠近于所述第一侧盖板、所述底盖板的其中一个角部部位设有后进风网孔。
在其中一个实施例中,所述第一风扇设置于所述第二风扇的上方,所述第一风扇的中心轴与所述第二风扇的中心轴的夹角为A,A小于90°。
在其中一个实施例中,所述第二风扇为涡流风扇,所述涡流风扇的上表面与下表面均设有进风口,所述涡流风扇的下表面连接有第三导风罩,所述第三导风罩的顶板设有与所述涡流风扇的下表面的进风口相连通的第一通风口,所述涡流风扇的电机设置于所述第三导风罩中,所述第三导风罩罩设于所述底进风网孔的一部分区域,所述第一风扇沿着竖向方向在所述底盖板上的投影位于所述底进风网孔的另一部分区域。
在其中一个实施例中,所述第一风扇与所述第二风扇之间设有通风间隙。
在其中一个实施例中,所述变频电源的外壳设有第一横向通风流道,所述第一风扇的出 风口与所述第一横向通风流道的其中一个端口相连通,所述第一横向通风流道的另一个端口的外壁连接有竖向隔板与横向隔板,所述竖向隔板与所述横向隔板设置于所述磁控管的外围,所述竖向隔板上设有第二通风口,所述第二风扇的出风口与所述第二通风口相连通。
在其中一个实施例中,所述磁控管的电源连接接头与所述横向隔板相邻设置;所述横向隔板上设有与所述磁控管的电源连接头相对应的第三通风口,所述第三通风口位于所述横向隔板上靠近于所述竖向隔板的一侧。
在其中一个实施例中,所述的抽屉式微波炉还包括第四导风罩,所述磁控管的散热器外壳设有第二横向通风流道,所述第四导风罩罩设于所述入风网孔,所述第二通风口、所述第二横向通风流道、所述第四导风罩的入风口依次连通。
在其中一个实施例中,所述第四导风罩的入风口处设有导热边,所述导热边与所述磁控管相贴合。
在其中一个实施例中,所述的抽屉式微波炉还包括第一隔板,所述第一隔板与所述前板的底边相连或者与所述底盖板的靠近于所述口部的侧边相连,所述第一隔板位于所述门体的下方并与所述门体的底端形成有前侧出风口,所述外壳的底盖板的底侧面上设有向下凸伸的支撑脚,所述第一隔板与所述支撑脚所放置的支撑面形成有前侧进风口。
在其中一个实施例中,所述的抽屉式微波炉还包括第二隔板,所述烹饪腔体的腔壁与底盖板之间形成有第五间隔区域,所述第二隔板设置于所述第五间隔区域中,所述第一间隔区域的底部空间通过所述第二隔板与所述第二间隔区域的底部空间相互隔离。
附图说明
图1为本发明一实施例所述的抽屉式微波炉的门体拉开时且顶盖板打开后的其中一视角结构示意图;
图2为本发明一实施例所述的抽屉式微波炉的门体拉开时且顶盖板打开后的另一视角结构示意图;
图3为本发明一实施例所述的抽屉式微波炉的分解结构示意图;
图4为本发明一实施例所述的抽屉式微波炉打开第一侧盖板与后盖板的其中一视角结构示意图;
图5为本发明一实施例所述的抽屉式微波炉打开第一侧盖板与后盖板的另一视角结构示意图;
图6为本发明一实施例所述的抽屉式微波炉的分解结构示意图;
图7为本发明一实施例所述的抽屉式微波炉的打开第一侧盖板与后盖板并分解出引流组件与第四导风罩的结构示意图;
图8为本发明一实施例所述的抽屉式微波炉的去掉门体并分解出引流组件与第四导风罩的结构示意图;
图9为本发明一实施例所述的抽屉式微波炉的打开第一侧盖板与后盖板并分解出第四导风罩的结构示意图;
图10为本发明一实施例所述的抽屉式微波炉的打开后盖板的内部结构示意图。
附图标记:
10、箱体;11、外壳;111、第一侧盖板;1111、侧进风网孔;112、第二侧盖板;113、后盖板;1131、后进风网孔;114、底盖板;1141、底进风网孔;1142、支撑脚;115、顶盖 板;12、烹饪腔体;121、出气网孔;122、入风网孔;20、门体;30、前板;31、前侧出风孔;41、第一滑轨;42、第二滑轨;43、驱动电机;50、引流组件;51、第一导风罩;52、侧隔板;521、导风口;53、第二导风罩;611、第一风扇;6111、中心轴;612、第二风扇;6121、风扇电机;6122、中心轴;613、通风间隙;62、变频电源;621、外壳;63、磁控管;631、电源连接接头;632、散热器外壳;64、热风组件;641、发热管;642、热搅拌风扇;643、热风电机;65、控制盒;66、第三导风罩;661、挡板;662、安装板;71、横向围边;711、主体围边;712、弧形围边;72、导向边;73、通风间隔;74、竖向隔板;741、第二通风口;75、横向隔板;751、第三通风口;76、第四导风罩;761、导热边;81、第一隔板;82、第二隔板;83、前侧出风口。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图对本发明的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于在此描述的其它方式来实施,本领域技术人员可以在不违背本发明内涵的情况下做类似改进,因此本发明不受下面公开的具体实施例的限制。
在本发明的描述中,需要理解的是,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。
在本发明的描述中,需要理解的是,当一个元件被认为是“连接”另一个元件,可以是直接连接到另一个元件或者可能同时存在中间元件。相反,当元件为称作“直接”与另一元件连接时,不存在中间元件。
一般地,高温水汽一般通过烹饪腔体的侧壁所开设的出气网孔排放到腔体侧壁与箱体的外壳侧壁之间的空间内时,高温水汽会侵蚀滑轨和驱动电机,导致滑轨和驱动电机损坏,在抽屉式微波炉长期使用后便无法进行正常工作。
在一个实施例中,请参阅图1、图4至图8,一种抽屉式微波炉,包括箱体10、门体20、前板30、第一滑轨41、第二滑轨42、驱动电机43及引流组件50。
所述箱体10包括外壳11及设置于所述外壳11内的烹饪腔体12。所述外壳11与所述烹饪腔体12均设有与所述门体20对应的口部,所述门体20可打开地盖合于所述口部。所述外壳11包括相对设置的第一侧盖板111与第二侧盖板112。所述烹饪腔体12的与所述第一侧盖板111相对设置的腔壁上设有出气网孔121。
所述前板30绕所述烹饪腔体12的口部的周向设置,所述前板30的底部设有贯穿所述前板30的前侧出风孔31。所述第一侧盖板111与所述烹饪腔体12的腔壁之间形成第一间隔区域,所述前侧出风孔31和所述第一间隔区域相连通,当关门时,所述门体20与所述前板30相贴合封住所述口部。
所述第一滑轨41设置于所述烹饪腔体12与所述第一侧盖板111之间,所述第二滑轨42设置于所述烹饪腔体12与所述第二侧盖板112之间,所述驱动电机43设置于所述第二侧盖板112与所述烹饪腔体12的腔壁之间的第二间隔区域,所述驱动电机43用于驱动所述第二滑轨42移动。
所述引流组件50的进气端与所述出气网孔121相连通,所述引流组件50的出气端设置 于所述第一间隔区域的底部。
上述的抽屉式微波炉工作时,烹饪腔体12的内部的高温水汽通过出气网孔121排出到引流组件50中,由引流组件50引流排出到第一间隔区域的底部,然后顺着烹饪腔体12的底部流动,经前侧出风孔31向外排放到箱体10的外部,从而能避免高温水汽接触损坏到第一滑轨41,高温水汽更不会接触到第二滑轨42与驱动电机43,即能大大降低高温水汽对滑轨与驱动电机43的侵蚀程度,从而能使得抽屉式微波炉的滑轨与驱动电机43不容易出现损坏现象,实现长期正常工作。
进一步地,请参阅图1至图4,所述外壳11还包括分别与所述第一侧盖板111、所述第二侧盖板112相连的后盖板113。所述后盖板113与所述烹饪腔体12的后壁之间形成第三间隔区域。所述引流组件50包括第一导风罩51、侧隔板52与第二导风罩53。所述第一导风罩51罩设于所述出气网孔121外,所述侧隔板52设置于所述第一间隔区域与所述第三间隔区域的交界处,所述第一间隔区域通过所述侧隔板52与所述第三间隔区域相隔离,所述侧隔板52上设有两个导风口521,所述第二导风罩53罩设于所述侧隔板52的两个所述导风口521外,所述第一导风罩51通过其中一个所述导风口521与所述第二导风罩53相连通,另一个所述导风口521形成所述引流组件50的出气端。如此,一方面,从出气网孔121排出的高温水汽经过引流组件50引流排出到第一间隔区域的底部,另一方面,由于第一间隔区域通过侧隔板52与第三间隔区域相隔离,侧隔板52能避免高温水汽进入到第三间隔区域而影响到电子元器件(例如变频电源62与磁控管63)的正常工作。此外,高温水汽经过引流组件50的过程中,由于侧隔板52设置于第一间隔区域与第三间隔区域的交界处,这样第三间隔区域内所进入到外界冷空气接触到引流组件50对引流组件50的高温水汽起到快速风冷作用,从而降低高温水汽的温度,降低引流组件50的出气端外排的高温水汽对第一滑轨41的侵蚀程度。
可以理解的是,所述第一间隔区域通过所述侧隔板52与所述第三间隔区域相隔离指的是所述侧隔板52的相对两侧边缘分别与所述烹饪腔体12的腔壁、所述第一侧盖板111相贴合,侧隔板52的底部边缘与底盖板114相贴合,侧隔板52的顶部边缘竖直向上延伸到顶盖板115。
进一步地,请参阅图4、图7、图9与图10,所述的抽屉式微波炉还包括散热风扇、变频电源62与磁控管63。所述散热风扇、所述变频电源62与所述磁控管63均设置于所述第三间隔区域,所述散热风扇的出风经过所述磁控管63与所述变频电源62。所述外壳11还包括设置于所述烹饪腔体12的底部的底盖板114,所述底盖板114分别与所述第一侧盖板111、所述后盖板113、所述第二侧盖板112相连。所述底盖板114、所述第一侧盖板111与所述后盖板113中的至少一个板件上设有与所述第三间隔区域相连通的进风网孔。所述烹饪腔体12的后壁上设有入风网孔122。如此,外界冷空气在散热风扇的作用下通过进风网孔进入到第三间隔区域中,对变频电源62与磁控管63进行风冷。其中一部分风通过入风网孔122进入到烹饪腔体12的内部,并由出气网孔121向外排出;另一部分风则朝向第二间隔区域、烹饪腔体12的顶壁与顶盖板115之间的第四间隔区域流动,最终依次通过第一间隔区域、前侧出风孔31向外排出。
进一步地,请参阅图4、图7、图9与图10,所述外壳11还包括设置于所述烹饪腔体12的顶部的顶盖板115。所述顶盖板115分别与所述第一侧盖板111、所述后盖板113相连。所述烹饪腔体12的顶壁与所述顶盖板115之间形成有第四间隔区域,所述第四间隔区域分别与所述第一间隔区域、所述第三间隔区域相连通。如此,第三间隔区域内的风流向第四间隔区域,经过第四间隔区域朝向第一间隔区域流动并流动到第一间隔区域的底部,最终通过第一 间隔区域、前侧出风孔31向外排出。在第四间隔区域内的风流向第一间隔区域的底部的过程中,能压制引流组件50的出气端向外排出的水汽,使得水汽不会往上流动接触到第一滑轨41,从而能进一步降低对第一滑轨41的侵蚀程度。
具体而言,请参阅图4、图7、图9与图10,所述烹饪腔体12的顶壁上设有热风组件64。热风组件64包括发热管641,带金属风扇叶的热搅拌风扇642,驱动热搅拌风扇642的热风电机643。第三间隔区域的风流向第四间隔区域中时,能对热风电机643进行散热,防止热量堆积在箱体10顶部而影响到位于热风组件64边上的控制盒65。此外,顶盖板115上设有控制盒65。控制盒65例如设置于顶盖板115上靠近于门体20的一侧,以便于操作控制盒65。当然,控制盒65也可以设置于顶盖板115上的其它位置。
进一步地,请参阅图4、图7、图9与图10,所述烹饪腔体12的顶壁远离于所述门体20的一侧设有横向围边71,所述横向围边71与所述顶盖板115相贴合,所述横向围边71的两端分别与所述第一侧盖板111、所述第二侧盖板112间隔设置。如此,横向围边71实现热风组件64与变频电源62、磁控管63相隔离开,可以防止热风组件64产生的热量蹿到横向围边71后方的变频电源62与磁控管63上,而影响到变频电源62与磁控管63的正常工作。
进一步地,请参阅图4、图7、图9与图10,所述横向围边71包括主体围边711及与所述主体围边711的一端相连的弧形围边712。所述弧形围边712用于将风导向到所述第一间隔区域。所述烹饪腔体12的顶壁上还设有导向边72,所述导向边72与所述主体围边711的另一端之间设有通风间隔73,所述导向边72朝向所述烹饪腔体12的中部部位延伸设置。如此,散热风扇排出的风的其中一部分风沿着横向围边71流动并进入到第一间隔区域,然后再从前板30的前侧出风孔31向外排出;散热风扇排出的风的另一部分风则从通风间隔73进入到烹饪腔体12的顶部,接着流经热风组件64并进入到第一间隔区域,同样再从前板30的前侧出风孔31向外排出。
进一步地,请参阅图4至图7、图9与图10,所述第二导风罩53位于所述侧隔板52的远离于所述前板30的一侧,所述散热风扇与所述进风网孔均设置于所述第三间隔区域的靠近于所述引流组件50的一端。如此,第三间隔区域的靠近于所述引流组件50的一端进入的外界冷风会接触引流组件50,从而能实现对引流组件50内的高温水汽起到较好的降温作用,有利于最终从前侧出风孔31向外排出的气体温度较低,使得操作者不会因为排出的气体温度较高而产生不适感。
进一步地,请参阅图4至图7、图9与图10,所述散热风扇包括给所述变频电源62散热的第一风扇611和给所述磁控管63散热的第二风扇612。所述进风网孔包括侧进风网孔1111与底进风网孔1141。所述第一侧盖板111靠近于所述后盖板113、所述底盖板114的其中一个角部部位设有所述侧进风网孔1111,所述底盖板114靠近于所述第一侧盖板111、所述后盖板113的其中一个角部部位设有所述底进风网孔1141。所述第一风扇611的进风口的所在面相对于所述底盖板114倾斜设置,所述第一风扇611的进风口的所在面对着所述侧进风网孔1111与所述底进风网孔1141,所述第一风扇611的出风口的所在面对着变频电源62设置,所述第二风扇612的进风口的所在面对着所述底进风网孔1141或所述侧进风网孔1111,所述第二风扇612的出风口的所在面对着磁控管63设置。如此,一方面,第一风扇611将箱体10外界的空气通过侧进风网孔1111、底进风网孔1141抽入,并吹向变频电源62上给变频电源62进行散热,进入的风量较大,对变频电源62有良好的散热效果,第二风扇612则将箱体10外界的空气通过底进风网孔1141或侧进风网孔1111抽入,并吹向磁控管63进行散热, 实现磁控管63良好的散热效果;另一方面,由于第一风扇611以其进风口的所在面相对于所述底盖板114倾斜设置,从而相对于水平设置的方式,能一定程度地减小第一风扇611占用水平向的空间,如此提高烹饪腔体12的容积的同时能提高散热效果。
进一步地,请参阅图3至图7、图9与图10,所述后盖板113靠近于所述第一侧盖板111、所述底盖板114的其中一个角部部位设有后进风网孔1131。如此,在第一风扇611、第二风扇612工作时,箱体10的外界空气还可以通过后进风网孔1131进入到箱体10内,以提高进风风量,保证较好的散热效果。
进一步地,请参阅图3至图7、图9与图10,所述第一风扇611设置于所述第二风扇612的上方,所述第一风扇611的中心轴6111与所述第二风扇612的中心轴6122的夹角为A,A小于90°。需要解释的是,第一风扇611的中心轴6111指的是垂直于第一风扇611的进风口的所在面的轴心线,第二风扇612的中心轴6122指的是垂直于第二风扇612的进风口的所在面的轴心线。具体而言,第一风扇611的中心轴6111与第二风扇612的中心轴6122之间的夹角A为30°~40°,较好地,A为36°。
进一步地,请参阅图3至图7、图9与图10,所述第二风扇612为涡流风扇,所述涡流风扇的上表面与下表面均设有进风口,所述涡流风扇的下表面连接有第三导风罩66,所述第三导风罩66的顶板设有与所述涡流风扇的下表面的进风口相连通的第一通风口,所述涡流风扇的电机设置于所述第三导风罩66中,所述第三导风罩66罩设于所述底进风网孔1141的一部分区域,所述第一风扇611沿着竖向方向在所述底盖板114上的投影位于所述底进风网孔1141的另一部分区域。如此,第三导风罩66能实现将从底进风网孔1141进入到外壳11内的空气划分为独立隔离的两股风,其中一股风由第一风扇611的进风口吸入,另一股风由第二风扇612的进风口吸入,两股风流不会混乱而部分抵消,提高冷风利用率,保证散热效果;此外,涡流风扇的风扇电机6121设置于第三导风罩66内,进入到第三导风罩66内的风流对风扇电机6121起到散热作用,提高风扇电机6121的使用寿命。
具体而言,请参阅图3至图7、图9与图10,第三导风罩66包括间隔设置的两个挡板661以及连接两个所述挡板661的安装板662。第一通风口开设形成于安装板662上。挡板661分别与烹饪腔体12的后壁、后盖板113相连。第二风扇612的风扇电机6121设置于两个挡板661之间。两个挡板661之间的区域与后盖板113的后进风网孔1131相对,外界空气可以经后进风网孔1131进入到两个挡板661之间。此外,安装板662与底盖板114的底进风网孔1141相对,外界空气也可以经底进风网孔1141进入到第三导风罩66内。
进一步地,请参阅图3至图7、图9与图10,所述第一风扇611与所述第二风扇612之间设有通风间隙613。如此,一部分风经底进风网孔1141进入到第三导风罩66进入到第二风扇612下表面的进风口,另一部分经底进风网孔1141、侧进风网孔1111进入到外壳11内,并从第一风扇611与第二风扇612之间的通风间隙613进入到第二风扇612的上表面的进风口,从而提高了第二风扇612的冷风进风量,具有更好的散热效果。
进一步地,请参阅图3至图7、图9与图10,所述变频电源62的外壳621设有第一横向通风流道,所述第一风扇611的出风口与所述第一横向通风流道的其中一个端口相连通,所述第一横向通风流道的另一个端口的外壁连接有竖向隔板74与横向隔板75。所述竖向隔板74与所述横向隔板75设置于所述磁控管63的外围,所述竖向隔板74上设有第二通风口741,所述第二风扇612的出风口与所述第二通风口741相连通。如此,一方面,第一风扇611的出风口送出的冷风进入到第一横向通风流道中实现对变频电源62较好地散热;另一方面,在 竖向隔板74与横向隔板75的作用下,两股风流不会混乱而部分抵消,提高冷风利用率,保证散热效果。
进一步地,横向隔板75还分别与烹饪腔体12的后壁、后盖板113相连。同样地,竖向隔板74还分别与烹饪腔体12的后壁、后盖板113相连。
进一步地,所述磁控管63的电源连接接头631与所述横向隔板75相邻设置。所述横向隔板75上设有与所述磁控管63的电源连接头相对应的第三通风口751。所述第三通风口751位于所述横向隔板75上靠近于所述竖向隔板74的一侧。如此,第一风扇611的冷风通过第一横向通风流道流出后,其中一部分风再通过第三通风口751流入到磁控管63所在的空间区域,并从上至下流入到磁控管63所在的区域时,与磁控管63充分换热接触,能较好地降低磁控管63的温度。此外,能避免磁控管63的所在区域产生回旋风。
进一步地,所述的抽屉式微波炉还包括第四导风罩76,所述磁控管63的散热器外壳632设有第二横向通风流道,所述第四导风罩76罩设于所述入风网孔122,所述第二通风口741、所述第二横向通风流道、所述第四导风罩76的入风口依次连通。如此,第二风扇612的冷风经过第二通风口741、第二横向通风流道进入到第四导风罩76内,再经入风网孔122进入到烹饪腔体12的内部。
进一步地,请参阅图3至图7、图9与图10,所述第四导风罩76的入风口处设有导热边761,所述导热边761与所述磁控管63相贴合。具体而言,导热边761与磁控管63的散热器外壳632相贴合,利用导热原理将磁控管63的散热器外壳632上的热量传导到第四导风罩76上,提高磁控管63的散热效果。
在一个具体的实施例中,请参阅图3至图7、图9与图10,所述磁控管63的电源连接接头631与所述横向隔板75相邻设置,所述横向隔板75上设有与所述磁控管63的电源连接头相对应的第三通风口751,所述第三通风口751位于所述横向隔板75上靠近于所述竖向隔板74的一侧。所述的嵌入式微波炉还包括第四导风罩76,所述磁控管63的散热器外壳632设有第二横向通风流道,所述烹饪腔体12的后壁设有入风网孔122,所述第四导风罩76罩设于所述入风网孔122,所述第二通风口741、所述第二横向通风流道、所述第四导风罩76的入风口依次连通。如此,当第四导风罩76内仅只是第二风扇612吹出的风时,容易在第四导风罩76内产生回旋风,而在横向隔板75上设置有第三通风口751后,第一风扇611吹出的风可以通过第三通风口751自上而下地进入到磁控管63所在的区域,并进入到第四导风罩76内,从而有利于避免产生回旋风,同时对磁控管63具有较好地散热效果。
所述的抽屉式微波炉还包括与所述门体20连接的用于放置烹饪物的容器。
进一步地,请参阅图4,所述的抽屉式微波炉还包括第一隔板81。所述第一隔板81与所述前板30的底边相连或者与所述底盖板114的靠近于所述口部的侧边相连,所述第一隔板81位于所述门体20的下方并与所述门体20的底端形成有前侧出风口83,所述底盖板114的底侧面上设有向下凸伸的支撑脚1142,所述第一隔板81与所述支撑脚1142所放置的支撑面(例如柜子的底壁)形成有前侧进风口。如此,第一隔板81能避免前侧进风口进入的冷风与前侧出风口83排出的热风相互混流,以及避免前侧出风口83排出的热风直接进入到前侧进风口后进入箱体10内,起到较好地缓冲作用,即热风从前侧出风口83排出后先与外界空气之间进行散热后,再通过前侧进风口后进入箱体10内;此外,前侧出风口83排出的热风可以通过第一隔板81往箱体10前方上侧反射,从而不容易被前侧进风口吸入。
进一步地,请参阅图3与图4,所述的抽屉式微波炉还包括第二隔板82。所述烹饪腔体 12的腔壁与底盖板114之间形成有第五间隔区域,所述第二隔板82设置于所述第五间隔区域中,所述第一间隔区域的底部空间通过所述第二隔板82与所述第二间隔区域的底部空间相互隔离。如此,第二隔板82能将第五间隔区域分成左右两个空间,能避免出气网孔121向外排出的高温水汽进入到第二间隔区域中,从而能防止高温水汽侵蚀第二滑轨42与驱动电机43。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。

Claims (18)

  1. 一种抽屉式微波炉,其特征在于,包括:
    箱体与门体,所述箱体包括外壳及设置于所述外壳内的烹饪腔体,所述外壳与所述烹饪腔体均设有与所述门体对应的口部,所述门体可打开地盖合于所述口部,所述外壳包括相对设置的第一侧盖板与第二侧盖板,所述烹饪腔体的与所述第一侧盖板相对设置的腔壁上设有出气网孔;
    前板,所述前板绕所述烹饪腔体的口部的周向设置,所述前板的底部设有贯穿所述前板的前侧出风孔,所述第一侧盖板与所述烹饪腔体的腔壁之间形成第一间隔区域,所述前侧出风孔和所述第一间隔区域相连通,当关门时,所述门体与所述前板相贴合封住所述口部;
    第一滑轨、第二滑轨与驱动电机,所述第一滑轨设置于所述烹饪腔体与所述第一侧盖板之间,所述第二滑轨设置于所述烹饪腔体与所述第二侧盖板之间,所述驱动电机设置于所述第二侧盖板与所述烹饪腔体的腔壁之间的第二间隔区域,所述驱动电机用于驱动所述第二滑轨移动;
    引流组件,所述引流组件的进气端与所述出气网孔相连通,所述引流组件的出气端设置于所述第一间隔区域的底部。
  2. 根据权利要求1所述的抽屉式微波炉,其特征在于,所述外壳还包括分别与所述第一侧盖板、所述第二侧盖板相连的后盖板,所述后盖板与所述烹饪腔体的后壁之间形成第三间隔区域;所述引流组件包括第一导风罩、侧隔板与第二导风罩;所述第一导风罩罩设于所述出气网孔外,所述侧隔板设置于所述第一间隔区域与所述第三间隔区域的交界处,所述第一间隔区域通过所述侧隔板与所述第三间隔区域相隔离,所述侧隔板上设有两个导风口,所述第二导风罩罩设于所述侧隔板的两个所述导风口外,所述第一导风罩通过其中一个所述导风口与所述第二导风罩相连通,另一个所述导风口形成所述引流组件的出气端。
  3. 根据权利要求2所述的抽屉式微波炉,其特征在于,还包括散热风扇、变频电源与磁控管;所述散热风扇、所述变频电源与所述磁控管均设置于所述第三间隔区域,所述散热风扇的出风经过所述磁控管与所述变频电源;
    所述外壳还包括设置于所述烹饪腔体的底部的底盖板,所述底盖板分别与所述第一侧盖板、所述后盖板、所述第二侧盖板相连;
    所述底盖板、所述第一侧盖板与所述后盖板中的至少一个板件上设有与所述第三间隔区域相连通的进风网孔;所述烹饪腔体的后壁上设有入风网孔。
  4. 根据权利要求3所述的抽屉式微波炉,其特征在于,所述外壳还包括设置于所述烹饪腔体的顶部的顶盖板,所述顶盖板分别与所述第一侧盖板、所述后盖板相连;所述烹饪腔体的顶壁与所述顶盖板之间形成有第四间隔区域,所述第四间隔区域分别与所述第一间隔区域、所述第三间隔区域相连通。
  5. 根据权利要求4所述的抽屉式微波炉,其特征在于,所述烹饪腔体的顶壁远离于所述门体的一侧设有横向围边,所述横向围边与所述顶盖板相贴合,所述横向围边的两端分别与所述第一侧盖板、所述第二侧盖板间隔设置。
  6. 根据权利要求5所述的抽屉式微波炉,其特征在于,所述横向围边包括主体围边及与所述主体围边的一端相连的弧形围边,所述弧形围边用于将风导向到所述第一间隔区域;所述烹饪腔体的顶壁上还设有导向边,所述导向边与所述主体围边的另一端之间设有通风间隔, 所述导向边朝向所述烹饪腔体的中部部位延伸设置。
  7. 根据权利要求3所述的抽屉式微波炉,其特征在于,所述第二导风罩位于所述侧隔板的远离于所述前板的一侧,所述散热风扇与所述进风网孔均设置于所述第三间隔区域的靠近于所述引流组件的一端。
  8. 根据权利要求7所述的抽屉式微波炉,其特征在于,所述散热风扇包括给所述变频电源散热的第一风扇和给所述磁控管散热的第二风扇;所述进风网孔包括侧进风网孔与底进风网孔;所述第一侧盖板靠近于所述后盖板、所述底盖板的其中一个角部部位设有所述侧进风网孔,所述底盖板靠近于所述第一侧盖板、所述后盖板的其中一个角部部位设有所述底进风网孔;所述第一风扇的进风口的所在面相对于所述底盖板倾斜设置,所述第一风扇的进风口的所在面对着所述侧进风网孔与所述底进风网孔,所述第一风扇的出风口的所在面对着变频电源设置,所述第二风扇的进风口的所在面对着所述底进风网孔或所述侧进风网孔,所述第二风扇的出风口的所在面对着磁控管设置。
  9. 根据权利要求8所述的抽屉式微波炉,其特征在于,所述后盖板靠近于所述第一侧盖板、所述底盖板的其中一个角部部位设有后进风网孔。
  10. 根据权利要求8所述的抽屉式微波炉,其特征在于,所述第一风扇设置于所述第二风扇的上方,所述第一风扇的中心轴6111与所述第二风扇的中心轴6122的夹角为A,A小于90°。
  11. 根据权利要求10所述的抽屉式微波炉,其特征在于,所述第二风扇为涡流风扇,所述涡流风扇的上表面与下表面均设有进风口,所述涡流风扇的下表面连接有第三导风罩,所述第三导风罩的顶板设有与所述涡流风扇的下表面的进风口相连通的第一通风口,所述涡流风扇的电机设置于所述第三导风罩中,所述第三导风罩罩设于所述底进风网孔的一部分区域,所述第一风扇沿着竖向方向在所述底盖板上的投影位于所述底进风网孔的另一部分区域。
  12. 根据权利要求11所述的抽屉式微波炉,其特征在于,所述第一风扇与所述第二风扇之间设有通风间隙。
  13. 根据权利要求11所述的抽屉式微波炉,其特征在于,所述变频电源的外壳设有第一横向通风流道,所述第一风扇的出风口与所述第一横向通风流道的其中一个端口相连通,所述第一横向通风流道的另一个端口的外壁连接有竖向隔板与横向隔板,所述竖向隔板与所述横向隔板设置于所述磁控管的外围,所述竖向隔板上设有第二通风口,所述第二风扇的出风口与所述第二通风口相连通。
  14. 根据权利要求13所述的抽屉式微波炉,其特征在于,所述磁控管的电源连接接头与所述横向隔板相邻设置;所述横向隔板上设有与所述磁控管的电源连接头相对应的第三通风口,所述第三通风口位于所述横向隔板上靠近于所述竖向隔板的一侧。
  15. 根据权利要求13所述的抽屉式微波炉,其特征在于,还包括第四导风罩,所述磁控管的散热器外壳设有第二横向通风流道,所述第四导风罩罩设于所述入风网孔,所述第二通风口、所述第二横向通风流道、所述第四导风罩的入风口依次连通。
  16. 根据权利要求15所述的抽屉式微波炉,其特征在于,所述第四导风罩的入风口处设有导热边,所述导热边与所述磁控管相贴合。
  17. 根据权利要求1所述的抽屉式微波炉,其特征在于,还包括第一隔板,所述第一隔板与所述前板的底边相连或者与所述外壳的底盖板的靠近于所述口部的侧边相连,所述第一隔板位于所述门体的下方并与所述门体的底端形成有前侧出风口,所述底盖板的底侧面上设 有向下凸伸的支撑脚,所述第一隔板与所述支撑脚所放置的支撑面形成有前侧进风口。
  18. 根据权利要求1至17任意一项所述的抽屉式微波炉,其特征在于,还包括第二隔板,所述烹饪腔体的腔壁与底盖板之间形成有第五间隔区域,所述第二隔板设置于所述第五间隔区域中,所述第一间隔区域的底部空间通过所述第二隔板与所述第二间隔区域的底部空间相互隔离。
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