CN104121610B - A kind of high efficiency and heat radiation built-in microwave oven - Google Patents
A kind of high efficiency and heat radiation built-in microwave oven Download PDFInfo
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- CN104121610B CN104121610B CN201310339366.7A CN201310339366A CN104121610B CN 104121610 B CN104121610 B CN 104121610B CN 201310339366 A CN201310339366 A CN 201310339366A CN 104121610 B CN104121610 B CN 104121610B
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- fire door
- surface frame
- wind scooper
- microwave oven
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Abstract
The invention discloses a kind of high efficiency and heat radiation built-in microwave oven, including surface frame, shell, it is placed in inside the shell and the cooking cavity that is arranged side by side and electric apparatus room, surface frame both sides are provided with air inlet, surface frame upper and lower ends are provided with venthole, space between case surface and cabinet preformed hole inwall forms inlet channel, outer casing top surface and bottom surface are equipped with wind scooper, it is provided with dividing plate in the middle part of electric apparatus room, the present invention adopts independent cooling air channel design, cooperation speed-changing draught fan and temperature probe setting, can flexible cooling air quantity and blast, lifting cooling effect, and the indoor dividing plate of electrical equipment then divides the flow into upper and lower two strands, respectively different electric elements are cooled down, cooling effect is more preferable.
Description
Technical field
The present invention relates to a kind of microwave oven, it is embedding that more particularly, to a kind of good heat dissipation effect, fire door glass are difficult to haze
Enter type micro-wave stove.
Background technology
With the pay attention to day by day stepping up with health perception of people's living standard, clean integral cabinet attractive in appearance and come into
Huge numbers of families, common microwave stove is also designed to embedded being placed in cabinet, because cabinet interior space is narrow, configuration tight
Gather, the heat dissipation ventilation of microwave oven is not good, higher internal temperature gently then easily causes microwave oven and damages or service life shortening, weight
Wooden cabinet is then easily caused to damage or initiation fire, in order to solve the radiating of built-in microwave oven, China Patent No. is
A kind of utility model patent of ZL201020049960.4, entitled high efficiency and heat radiation built-in microwave oven, discloses embedded
The cooling down mode of microwave oven, takes away microwave oven electronics by arranging the air blast cooling measure of cooling blower in microwave oven
Device radiating and food heat dissipation capacity, prevent the damage of microwave oven or the generation of fire, but due to this cooling air channel, air intake air outlet
Setting unreasonable, radiating effect is poor, and the temperature difference of fire door viewing glass both sides is larger is also easy to produce aerosol, to use
Make troubles.
Content of the invention
Present invention mainly solves existing built-in microwave oven cooling air channel, inlet and outlet design unreasonable, radiating effect
Poor, the larger technical problem being also easy to produce aerosol of fire door viewing glass temperature difference；Provide a kind of good heat dissipation effect, fire door
Glass is difficult the built-in microwave oven hazing.
In order to solve above-mentioned technical problem, the present invention mainly adopts following technical proposals：
A kind of high efficiency and heat radiation built-in microwave oven of the present invention, is flush-mounted in cabinet, including surface frame, shell, is placed in shell
Interior and the cooking cavity that is arranged side by side and electric apparatus room, described surface frame is matched with cabinet preformed hole, on the two side of described cooking cavity
It is provided with air vent, described surface frame is provided with fire door, control panel, described electrical equipment interior placement magnetron, bulb, transformator, electricity
Hold and the electric elements such as electric-controlled plate, the back side of electric apparatus room is provided with perforate, and described perforate is provided with cooling blower, a left side for described surface frame
Right both sides or one side are provided with air inlet, and surface frame upper and lower ends are respectively equipped with venthole and lower production well, described case surface with
Space between cabinet preformed hole inwall forms inlet channel, and the front end of described inlet channel is connected with described air inlet, described
Sheath top plate is provided with vent, and cover top portion is provided with the upper wind scooper affixed with sheath top plate, before described upper wind scooper
End communicate with described upper venthole and integral cover on vent, the air vent that cooking cavity passes through side is connected with electric apparatus room, cold
But air-flow flow to cooking cavity from electric apparatus room and sequentially passes through the upper vent entrance of the air vent of cooking cavity opposite side, sheath top plate
Outside upper wind scooper discharge machine, shell bottom plate is provided with the lower vent of insertion electric apparatus room bottom surface, and outer casing bottom is provided with and shell bottom
The affixed lower wind scooper of plate, the front end of described lower wind scooper connect with described lower production well and integral cover under vent, cooling
Air-flow passes through lower vent to enter outside discharge machine in lower wind scooper, respectively electric apparatus room and cooking cavity is carried out by force using cooling blower
Refrigeration but, good heat dissipation effect, meanwhile, the design of upper wind scooper and lower wind scooper also improve the flow velocity of air-flow and blast it is ensured that
Cooling air-flow pressure drop is relatively low and will not form turbulent flow.
Preferably, being provided with the dividing plate of level in the middle part of described electric apparatus room, electric apparatus room is divided into upper and lower two chambers by described dividing plate,
Upper chamber places magnetron, bulb, and lower chamber places transformator, electric capacity and panel, and cooling blower is sucked by dividing plate
Cooling air-flow is divided into upper and lower two strands, and one cooling air-flow is blown over magnetron, passed through electric apparatus room and cooking cavity total side wall after bulb
Air vent enter cooking cavity, another burst of cooling air-flow is blown over and is passed through under electric apparatus room base plate after transformator, electric capacity and panel
Vent enters in lower wind scooper, and cooling air-flow is separated into upper and lower two strands, respectively to different by electrical equipment interior setting demarcation strip
Electric elements are cooled down, good cooling results, and meanwhile, a part of air-flow passes through the air vent of electric apparatus room and cooking cavity common side wall
Enter culinary art intracavity, mix and carry partial heat and the steam that heating food produces, enter from the air vent of cooking cavity opposite side
Enter outside discharge machine in upper wind scooper, and the lower steam vent that another part air-flow then passes through electric apparatus room bottom surface enters row in lower wind scooper
Go out outside machine, this fraction, because not mixed with the air-flow of culinary art intracavity, is relatively dried and cleans, cooling air-flow is divided into two strands,
Different circulation paths are adopted according to different cooling objects, radiating effect is notable and does not interfere with one another.
Preferably, the fire door in described surface frame is in hollow form, fire door is provided with observation window, surface frame top end face and bottom
End face is equipped with through hole, and described through hole is communicated with the hollow cavity of fire door, and fire door bottom through hole is communicated with lower wind scooper, fire door top
End through hole communicates with upper wind scooper, and the relatively dry hot blast that electric apparatus room bottom is discharged flows out from lower wind scooper, a part directly from
Outside lower production well discharge machine, another part is then entered by the through hole of fire door bottom end face in the hollow cavity of fire door and flows through sight
Examine glass pane, and flow out from the through hole of fire door top end face, together with the hot blast discharged with upper wind scooper, discharge machine along upper venthole
Outward, improve the temperature in hollow cavity, reduce the temperature difference of viewing glass both sides, make observation window lean on the side of cooking cavity
Glass surface is not easy to haze or condenses.
Preferably, described air inlet is on the side wall of described surface frame, described fire door upper and lower end face and surface frame are provided with seam
Gap, the upper venthole in surface frame is directed downward and just to fire door top end face, the lower production well in surface frame is directed downward and just right
In fire door bottom end face, the thermal current of discharge is sprayed onto in described gap by upper venthole and lower production well and is hindered by fire door end face
Gear turns to outside discharge machine, and upper venthole and lower production well are arranged in fire door and the gap of surface frame, and gas outlet is hidden, does not interfere with
The outward appearance of microwave oven.
Preferably, described fire door top end faces outwardly downward-sloping, described fire door bottom end face is inclined upwardly outwardly, inclines
Oblique fire door end face can make the thermal current vapour lock that microwave oven is discharged little, and hot and cold air is Compartmentalization more preferably, it is to avoid air inlet is inhaled again
Enter hot-air and cause cooling effect not good.
Preferably, described upper venthole and lower production well are all in grid-like, pore draught area is big, and gas-flow resistance is little.
Preferably, the tapping at the described electric apparatus room back side is provided with drainage screen, drainage screen can prevent impurity or little article from entering
Enter electric apparatus room and cause equipment fault or damage, be also prevented from electronic device surface area dust and cause radiating to be deteriorated.
Preferably, the front end gradually flat narrow of described upper wind scooper and the described upper venthole of docking, described lower wind-guiding
The front end gradually flat narrow of cover and the described lower production well of docking, the gas velocity of aerofluxuss can be improved in the wind scooper front end of flat
Degree, make the hot blast flow velocity of discharge faster, blast is higher, spray hot wind obtain farther, reduce hot and cold air mixing probability.
Preferably, described cooling blower is variable speed electric motors, particularly, it is equipped with described upper wind scooper and lower wind scooper and controls
The temperature probe of plate electrical connection, using speed-changing draught fan and with reference to the temperature probe in wind scooper, can the work of real-time detection microwave oven
When the gas flow temperature discharged, when the temperature of such as air-flow exceedes design temperature, illustrate that cooling air quantity is inadequate or blast is low, radiating is imitated
Really poor, there is potential safety hazard, now the rotating speed of cooling blower can be improved, so that air flow rate is increased or blast improves, more
The cooling air-flow of flow can take away more heats, reduces the surface temperature of electric elements it is ensured that the normal work of microwave oven.
The invention has the beneficial effects as follows：Using independent microwave oven cooling air channel design, cooperation speed-changing draught fan and temperature are visited
Head setting, can flexible cooling air quantity and blast, energy saving, lifted cooling effect, and electrical equipment interior setting dividing plate, then
Cooling air-flow is separated into upper and lower two strands, respectively the electric elements of different temperatures is cooled down, being relatively dried of lower chamber is clear
Clean cooling air-flow enters in the hollow cavity of fire door, reduces the temperature difference of viewing glass both sides, makes viewing glass table
Face is difficult to haze or condenses.
Brief description
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the backsight structural representation of Fig. 1.
Fig. 3 is the exploded perspective view of Fig. 1 structure.
Fig. 4 is the cooking cavity structural representation in Fig. 1
Fig. 5 is the door structure schematic diagram in Fig. 1.
Fig. 6 is the internal gas flow flow schematic diagram of Fig. 1 structure.
In figure 1. surface frame, 11. fire doors, 12. control panels, 13. air inlets, venthole on 14., 15. lower production wells, 16.
Hollow cavity, 17. through holes, 18. observation windows, 19. gaps, 2. shell, vent on 21., wind scooper on 22., 23. times air drafts
Hole, 24. times wind scoopers, 3. cooking cavity, 31. air vents, 4. electric apparatus room, 41. magnetrons, 42. bulbs, 43. transformators, 44. electricity
Hold, 45. perforates, 46. cooling blowers, 47. dividing plates, 5. cabinet, 51. inlet channels.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment 1：A kind of high efficiency and heat radiation built-in microwave oven of the present embodiment 1, is flush-mounted in cabinet 5, as shown in Figure 1, Figure 2 and
Shown in Fig. 3, including surface frame 1, shell 2, it is placed in inside the shell and the cooking cavity 3 that is arranged side by side and electric apparatus room 4, cooking cavity and electric apparatus room
There is a common sidewall paneling, surface frame is matched with cabinet preformed hole, so that microwave oven is embedded whole with cabinet formation one in cabinet
Body, surface frame is designed with fire door 11 and control panel 12, and fire door upper and lower end face and surface frame are provided with gap 19, in the left and right two of surface frame
Side is designed with air inlet 13, is respectively designed with grid-like upper venthole 14 and lower production well 15 in the upper and lower ends face of surface frame,
Upper venthole in surface frame is directed downward and just to fire door top end face, the lower production well direction in surface frame upward and is right against stove
Door bottom end face, fire door top end faces outwardly the gradually wide gap of downward-sloping formation, and fire door bottom end face is oblique outwardly facing updip
Become gradually wide gap；Space between case surface and cabinet preformed hole inwall constitutes inlet channel 51, the front end of inlet channel
Connect with air inlet, vent 21 is had on sheath top plate, cover top portion is provided with top board fastening on cuboid
Wind scooper 22, the front end of upper guide housing is gradually flat narrow and to connecting vent on venthole integral cover, good airproof performance,
The lower vent 23 of insertion electric apparatus room bottom surface is had on shell bottom plate, is provided with outer casing bottom affixed with shell bottom plate rectangular
Wind scooper 24 under body, the front end of lower wind scooper is gradually flat and docks vent under lower production well integral cover, as Fig. 4 institute
Show, air vent 31 is all had on the two side of cooking cavity；As shown in fig. 6, being designed with perforate 45, perforate at the back side of electric apparatus room
On cooling blower 46 is installed, the indoor middle part of electrical equipment is designed with the dividing plate 47 of level, and electric apparatus room is divided into upper and lower two chambeies by dividing plate
Room, upper chamber places magnetron 41, bulb 42, lower chamber setting transformator 43, electric capacity 44 and panel, and cooling blower is inhaled
The cooling air-flow entering is partitioned into upper and lower two strands, and one is blown over magnetron, passes through after bulb electric apparatus room and cooking cavity common
Air vent on the wall of side enters cooking cavity, under another stock passes through on electric apparatus room base plate after blowing over transformator, electric capacity and panel
Vent enters in lower wind scooper.
As shown in fig. 6, opening cooling blower, air flow causes air intake passage in cooling air-flow direction when microwave oven uses
Interior generation negative pressure, cool ambient air is continuously entered air intake passage and is inhaled into electric apparatus room by the air inlet of surface frame both sides
Interior, the cold air of suction is separated into two strands of air-flows by the indoor dividing plate of electrical equipment, and one air-flow blows over the magnetron of upper chamber, lamp
Bubble is directed to the air vent of electric apparatus room side wall and through air vent entrance cooking cavity by lampshade after absorbing heat dissipation capacity, mixes and carries
The partial heat that heating food produces and steam flow to upper wind scooper from the opposite side air vent of cooking cavity, and mixed airflow edge is above led
Pass through outside upper venthole discharge machine after the front end lifting flow velocity of fan housing gradually flat narrow, and another strand of air-flow blows over lower chamber
Transformator, electric capacity, panel pass through lower steam vent to enter in lower guide housing after absorbing heat, and gradually flat along lower wind scooper
Pass through outside lower production well discharge machine after narrow front end lifting flow velocity, the cold and hot isolation of whole cooling procedure, good heat dissipation effect, electrical equipment
Indoor temperature rise is less, greatly extends the use of microwave ovens life-span.
Embodiment 2：A kind of high efficiency and heat radiation built-in microwave oven of the present embodiment 2, including surface frame, shell, is placed in inside the shell
And the cooking cavity that is arranged side by side and electric apparatus room, surface frame is designed with fire door and control panel, as shown in figure 5, fire door is in hollow form,
Observation window 18 is designed with fire door, all has through hole 17, the hollow of through hole and fire door in the top end face of surface frame and bottom end face
Cavity 16 communicates, and fire door hollow cavity is communicated with lower wind scooper by the through hole of fire door bottom end face, and fire door hollow cavity passes through
The through hole of fire door top end face is communicated with upper wind scooper, the cooling air-flow one of the dry cleansing discharged from electric apparatus room lower chamber
Point along lower wind scooper directly through lower production well discharge machine outside, another part then passes through the hollow that fire door bottom through hole enters fire door
In cavity, improving the air themperature in hollow cavity, correspondingly reducing the temperature difference of fire door viewing glass both sides it is ensured that seeing
Examine glass pane to be difficult to haze or condense, the other parts of the present embodiment 2 are all similar with the appropriate section of embodiment 1, herein no longer
Repeat.
Embodiment 3：A kind of high efficiency and heat radiation built-in microwave oven of the present embodiment 3, is flush-mounted in cabinet, including surface frame, outward
Shell, it is placed in inside the shell and the cooking cavity that is arranged side by side and electric apparatus room, the tapping at the electric apparatus room back side is provided with drainage screen, filters
Net can prevent cooling blower from sucking, and impurity, dust or foreign body entrance electrical equipment interior cause high-voltage electrical apparatus short-circuit or damage electrical equipment is first
Part, makes radiating be deteriorated prevented also from electric elements surface laying dust and causes fault, the other parts of the present embodiment 3 all with embodiment 1
Appropriate section similar, repeat no more herein.
Embodiment 4：A kind of high efficiency and heat radiation built-in microwave oven of the present embodiment 4, is flush-mounted in cabinet, including surface frame, outward
Shell, it is placed in inside the shell and the cooking cavity that is arranged side by side and electric apparatus room, the back side of electric apparatus room is designed with perforate, perforate is provided with cold
But blower fan, cooling blower is variable speed electric motors, particularly, is mounted on the temperature electrically connecting with panel in upper wind scooper and lower wind scooper
Probe, during microwave oven work, the delivery temperature in wind scooper in temperature probe real-time monitoring and in lower wind scooper, work as delivery temperature
When exceeding design temperature, cooling blower rotating speed improves, and increases suction air volume and blast, improving radiating effect, prevents electrical equipment interior
Electric elements are overheated, and the other parts of the present embodiment 4 are all similar with the appropriate section of embodiment 1, repeat no more herein.
Described above not the present invention has been made to limit, the present invention is also not limited to the citing of described above, and this technology is led
Change that the those of ordinary skill in domain is made in the essential scope of the present invention, retrofit, increase or replace, be regarded as this
Bright protection domain.
Claims (8)
1. a kind of high efficiency and heat radiation built-in microwave oven, is flush-mounted in cabinet（5）Interior, including surface frame（1）, shell（2）, be placed in inside the shell
And the cooking cavity being arranged side by side（3）And electric apparatus room（4）, described surface frame matched with cabinet preformed hole, the both sides of described cooking cavity
Wall is provided with air vent（31）, described surface frame is provided with fire door（11）And control panel（12）, described electrical equipment interior placement magnetic control
Pipe（41）, bulb（42）, transformator（43）, electric capacity（44）And electric-controlled plate, the back side of electric apparatus room is provided with perforate（45）, described perforate
It is provided with cooling blower（46）It is characterised in that：The left and right sides of described surface frame or one side are provided with air inlet（13）, surface frame is upper and lower
It is respectively arranged at two ends with venthole（14）And lower production well（15）, space between described case surface and cabinet preformed hole inwall
Form inlet channel（51）, the front end of described inlet channel connected with described air inlet, and described sheath top plate is provided with air draft
Hole（21）, cover top portion is provided with the upper wind scooper affixed with sheath top plate（22）, the front end of described upper wind scooper with described on go out
Pore communicate and integral cover on vent, cooking cavity connected with electric apparatus room by the air vent of side, and shell bottom plate is provided with
The lower vent of insertion electric apparatus room bottom surface（23）, outer casing bottom is provided with the lower wind scooper affixed with shell bottom plate（24）, described under
The front end of wind scooper connect with described lower production well and integral cover under vent, described electric apparatus room（4）Middle part is provided with level
Dividing plate（47）, electric apparatus room is divided into upper and lower two chambers by described dividing plate, and upper chamber places magnetron（41）, bulb（42）, bottom
Chamber places transformator（43）, electric capacity（44）And panel, the cooling air-flow that cooling blower sucks is divided into upper and lower two strands by dividing plate,
One cooling air-flow is blown over magnetron, is passed through electric apparatus room and cooking cavity after bulb（3）The air vent of total side wall enters cooking cavity,
Another burst of cooling air-flow passes through the lower vent of electric apparatus room base plate after blowing over transformator, electric capacity and panel（23）Enter lower wind-guiding
Cover（24）Interior.
2. a kind of high efficiency and heat radiation built-in microwave oven according to claim 1 it is characterised in that：Described surface frame（1）On
Fire door（11）In hollow form, fire door is provided with observation window（18）, fire door top end face and bottom end face are equipped with through hole（17）, institute
State the hollow cavity in through hole and fire door（16）Communicate, the bottom through hole of fire door and lower wind scooper（24）Communicate, the top of fire door
Through hole and upper wind scooper（22）Communicate.
3. a kind of high efficiency and heat radiation built-in microwave oven according to claim 1 it is characterised in that：Described air inlet（13）If
In described surface frame（1）Side wall on, described fire door（11）Upper and lower end face and surface frame are provided with gap（19）, upper venthole in surface frame
（14）It is directed downward and just to fire door top end face, the lower production well in surface frame（15）It is directed downward and is right against fire door bottom end
Face.
4. a kind of high efficiency and heat radiation built-in microwave oven according to claim 3 it is characterised in that：Described fire door（11）Top
End face is downward-sloping outwardly, and described fire door bottom end face is inclined upwardly outwardly.
5. a kind of high efficiency and heat radiation built-in microwave oven according to claim 1 or 3 or 4 it is characterised in that：Give vent to anger on described
Hole（14）And lower production well（15）All in grid-like.
6. a kind of high efficiency and heat radiation built-in microwave oven according to claim 1 it is characterised in that：Described electric apparatus room（4）The back of the body
The perforate in face（45）Place is provided with drainage screen.
7. a kind of high efficiency and heat radiation built-in microwave oven according to claim 1 it is characterised in that：Described upper wind scooper（22）
Front end gradually flat narrow and dock described upper venthole（14）, described lower wind scooper（24）Front end gradually flat narrow and
Dock described lower production well（15）.
8. a kind of high efficiency and heat radiation built-in microwave oven according to claim 1 it is characterised in that：Described cooling blower（46）
For variable speed electric motors, particularly, described upper wind scooper（22）With lower wind scooper（24）Inside it is equipped with the temperature probe electrically connecting with panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339366.7A CN104121610B (en) | 2013-08-06 | 2013-08-06 | A kind of high efficiency and heat radiation built-in microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339366.7A CN104121610B (en) | 2013-08-06 | 2013-08-06 | A kind of high efficiency and heat radiation built-in microwave oven |
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| Publication Number | Publication Date |
|---|---|
| CN104121610A CN104121610A (en) | 2014-10-29 |
| CN104121610B true CN104121610B (en) | 2017-03-08 |
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ID=51767135
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| CN201310339366.7A Active CN104121610B (en) | 2013-08-06 | 2013-08-06 | A kind of high efficiency and heat radiation built-in microwave oven |
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| CN101225974A (en) * | 2008-01-25 | 2008-07-23 | 宁波方太厨具有限公司 | Embedded microwave oven |
| JP2010286121A (en) * | 2009-06-09 | 2010-12-24 | Hitachi Appliances Inc | Desktop type cooker |
| CN201662112U (en) * | 2010-01-18 | 2010-12-01 | 浙江德意厨具有限公司 | Embedded microwave oven |
| CN201652500U (en) * | 2010-05-07 | 2010-11-24 | 美的集团有限公司 | Embedded microwave oven |
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| CN104121610A (en) | 2014-10-29 |
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