CN205860137U - Microwave cooking device - Google Patents
Microwave cooking device Download PDFInfo
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- CN205860137U CN205860137U CN201620699864.1U CN201620699864U CN205860137U CN 205860137 U CN205860137 U CN 205860137U CN 201620699864 U CN201620699864 U CN 201620699864U CN 205860137 U CN205860137 U CN 205860137U
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Abstract
The utility model discloses a kind of microwave cooking device, including culinary art cavity and door body, there is in described cooking cavity body upper surface and open wide and cooking chamber in cuboid；Described door body is arranged on described culinary art cavity to open and close the upper surface of described cooking chamber turningly.According to microwave cooking device of the present utility model, have easy to operate, be prone to observe and cleaning, take up room the advantage such as little.
Description
Technical field
This utility model relates to electrical equipment manufacturing technology field, especially relates to a kind of microwave cooking device.
Background technology
Microwave cooking device in correlation technique, user needs distance culinary art cavity farther out when opening and closing door body,
Cause switch gate and pick and place the operation inconvenience such as food, and, the culinary art situation of culinary art inside cavity, cooking cavity are observed in user's inconvenience
Internal portion is not easily cleaned.Additionally, this microwave cooking device is difficult to realize embedded design, take up room bigger.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.To this end, this utility model carries
Go out a kind of microwave cooking device, described microwave cooking device have easy to operate, be prone to observe and cleaning, take up room little etc. excellent
Point.
Microwave cooking device according to this utility model embodiment, including: culinary art cavity, have in described cooking cavity body on
Surface is opened wide and cooking chamber in cuboid；Door body, described door body is arranged on described culinary art cavity to open turningly
With the upper surface closing described cooking chamber.
Microwave cooking device according to this utility model embodiment, by being designed as cuboid and making culinary art by cooking chamber
The upper surface of room opens wide, and is arranged on turning for door body on culinary art cavity, thus, facilitates subscriber switch door and picks and places food
Deng operation, it is simple to user observes culinary art situation and the cleaning cooking chamber of cooking chamber, and, it is easy to accomplish embedded design, take
Space is little.
It addition, also have the technical characteristic added as follows according to the microwave cooking device of this utility model embodiment:
According to embodiments more of the present utility model, the tailing edge of described door body is arranged on described culinary art cavity turningly
The top of rear wall.
According to embodiments more of the present utility model, when described door body closes the upper surface of described cooking chamber, described door body
Upper surface constitute operating table surface.
According to embodiments more of the present utility model, described door body is the Transparent Parts with micro-wave screening function.
According to embodiments more of the present utility model, when described door body closes the upper surface of described cooking chamber, described door body
Upper surface be provided with display screen.
According to embodiments more of the present utility model, the length direction of described cooking chamber orients in left-right direction, described in cook
The left side wall of room of preparing food is provided with first antenna feed-in mouth, and the right side wall of described cooking chamber is provided with the second antenna feed entrance；Described
Microwave cooking device also includes: microwave source, and described microwave source is arranged on described culinary art cavity and is positioned at below described cooking chamber；
First antenna, described first antenna has the first feed side being connected with described microwave source and by described first antenna feed-in mouth
Stretch into the first transmitting terminal of described cooking chamber；Second antenna, described second antenna has the second feedback being connected with described microwave source
Enter end and stretched into the second transmitting terminal of described cooking chamber by described second antenna feed entrance.
In embodiments more of the present utility model, a length of L of described cooking chamber, width are W, height is H, wherein,
300mm≤L≤360mm, 220mm≤W≤280mm, 66mm≤H≤126mm.
Further, the center of the first feed side of described first antenna and the rear surface of described cooking chamber are at fore-and-aft direction
On distance be W1, the center of the first feed side of described first antenna and the top wall surface of described cooking chamber are in the vertical direction
Distance is H1, wherein, and 68mm≤W1≤78mm, 40mm≤H1≤50mm.
Further, the center of the second feed side of described second antenna and the rear surface of described cooking chamber are at fore-and-aft direction
On distance be W2, the center of the second feed side of described second antenna and the top wall surface of described cooking chamber are in the vertical direction
Distance is H2, wherein, and 130mm≤W2≤140mm, 45mm≤H2≤55mm.
In embodiments more of the present utility model, each in described first antenna and described second antenna includes:
Mast, described mast is divided axially into the feed-in section being connected with described microwave source, the transmitter section stretching into described cooking chamber along it
And it being connected to the changeover portion between described feed-in section and described transmitter section, described feed side is formed in described feed-in section and institute
Stating transmitting terminal to be formed on described transmitter section, the cross-sectional area of described transmitter section is more than the cross-sectional area of described feed-in section and described
The cross-sectional area of changeover portion is along being gradually increased from the direction of described feed-in section to described transmitter section.
Alternatively, described feed-in section is respectively cylinder with described transmitter section, and described changeover portion is truncated cone-shaped.
Preferably, a diameter of Φ 1 of described feed-in section, a length of L1, a length of L2 of described changeover portion, described transmitter section
A diameter of Φ 2, a length of L3, wherein, 2.5mm≤Φ 1≤3.5mm, 4.9mm≤Φ 2≤5.9mm, 10.9mm≤L1≤
11.9mm, 6.5mm≤L2≤7.5mm, 6.5mm≤L3≤7.5mm.
In embodiments more of the present utility model, each in described first antenna and described second antenna is also wrapped
Including: the earth plate insulated from each other with described mast, described earth plate has the endoporus inserted for described feed-in section and with described
Culinary art cavity is altogether.
Alternatively, described feed-in section is joined directly together with described microwave source or indirect with described microwave source by radio frequency connector
It is connected.
Advantageously, described feed-in section, described changeover portion are one-body molded with described transmitter section.
According to embodiments more of the present utility model, described culinary art cavity also includes: for preventing the chokes front tooth of leaky wave,
Described chokes front tooth be located on described culinary art cavity and described door body close described cooking chamber upper surface time be positioned at described in cook
Prepare food between cavity and described door body.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the microwave cooking device according to this utility model embodiment；
Fig. 2 is the structural representation of the cooking chamber of the microwave cooking device according to this utility model embodiment；
Fig. 3 is the axonometric chart of the mast of the microwave cooking device according to this utility model embodiment；
Fig. 4 is the structural representation of the mast of the microwave cooking device according to this utility model embodiment；
Fig. 5 is the structural representation of the first antenna (the second antenna) of the microwave cooking device according to this utility model embodiment
Figure；
Fig. 6 is the standing wave curve synoptic diagram during microwave cooking device heating 1Kg water according to this utility model embodiment；
Fig. 7 is the isolation curve synoptic diagram during microwave cooking device heating 1Kg water according to this utility model embodiment；
Fig. 8 is the standing wave curve during microwave cooking device heating 100mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Fig. 9 is the standing wave curve during microwave cooking device heating 200mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Figure 10 is the standing wave curve during microwave cooking device heating 300mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Figure 11 is the standing wave curve during microwave cooking device heating 400mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Figure 12 is the standing wave curve during microwave cooking device heating 500mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Figure 13 is the standing wave curve during microwave cooking device heating 600mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Figure 14 is the standing wave curve during microwave cooking device heating 700mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Figure 15 is the standing wave curve during microwave cooking device heating 800mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram；
Figure 16 is the standing wave curve during microwave cooking device heating 900mL water according to this utility model embodiment and isolation
Degree curve synoptic diagram.
Reference:
Microwave cooking device 1, operating table surface 2,
Culinary art cavity 100, cooking chamber 101, first antenna feed-in mouth 111, the second antenna feed entrance 112, door body 120, grip
Stream front tooth 130,
Microwave source 200,
First antenna 310, the first feed side 311, the first transmitting terminal 312, the second antenna 320, the second feed side 321, the
Two transmitting terminals 322, mast 301, feed-in section 3011, changeover portion 3012, transmitter section 3013, earth plate 302,
Power supply 400, controls device 500.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
Describing the microwave cooking device 1 according to this utility model embodiment below with reference to Fig. 1-Figure 16, this microwave cooking fills
Put 1 have easy to operate, be prone to observe and cleaning, take up room the advantage such as little.
As shown in Fig. 1-Figure 16, according to the microwave cooking device 1 of this utility model embodiment, including culinary art cavity 100 He
Door body 120.
Specifically, in culinary art cavity 100, there is upper surface to open wide and cooking chamber 101 in cuboid.Door body 120 can
It is arranged on turningly on culinary art cavity 100, to open and close the upper surface of cooking chamber 101.So, the design of upward-acting door makes
User without distance door body 120 the most just can switch gate smoothly, and food can put into cooking chamber from top easily
101, the heated food in cooking chamber 101 can take out from top easily, and meanwhile, user can clear up from top easily
Cooking chamber 101, the culinary art situation in cooking chamber 101 also allows for user and observes.Further, it is also possible to by whole microwave cooking device 1
It is embedded into operating board 2 internal, when door body 120 closes the upper surface of cooking chamber 101, the upper surface of door body 120 and whole operating board
Face 2 keeps level, to save space.
Microwave cooking device 1 according to this utility model embodiment, by being designed as cuboid by cooking chamber 101 and making
The upper surface of cooking chamber 101 opens wide, and is arranged on turning for door body 120 on culinary art cavity 100, hereby it is achieved that upward-acting door
Design, thus facilitate subscriber switch door and pick and place the operations such as food, it is simple to user observes culinary art situation and the cleaning of cooking chamber 101
Cooking chamber 101, and, it is easy to accomplish embedded design, take up room little.
Further, as it is shown in figure 1, the tailing edge of door body 120 is arranged on the top of the rear wall of culinary art cavity 100 turningly
Portion, thus further facilitate user and use.Advantageously, when door body 120 closes the upper surface of cooking chamber 101, the upper table of door body 120
Face may be constructed operating table surface, effectively to utilize the shop front area of door body 120；Or, door body 120 closes the upper of cooking chamber 101
During surface, the upper surface of door body 120 can be provided with display screen, thus space availability ratio is high.Preferably, door body 120 can be tool
There is the Transparent Parts of micro-wave screening function such that it is able to reduce leaky wave, and user can clearly observe cooking of cooking chamber 101
Prepare food situation.
According to embodiments more of the present utility model, as depicted in figs. 1 and 2, the length direction of cooking chamber 101 is along right and left
To orientation, the left side wall of cooking chamber 101 is provided with first antenna feed-in mouth, and the right side wall of cooking chamber 101 is provided with the second antenna
Feed-in mouth.Microwave cooking device 1 can also include microwave source 200, first antenna 310 and the second antenna 320.Microwave source 200 is pacified
It is contained on culinary art cavity 100 and is positioned at below cooking chamber 101.First antenna 310 has the first feed side 311 and the first transmitting terminal
312, the first feed side 311 is connected with microwave source 200, and the first transmitting terminal 312 stretches into cooking chamber by first antenna feed-in mouth
101.Second antenna 320 has the second feed side 321 and the second transmitting terminal 322, and the second feed side 321 is connected with microwave source 200,
Second transmitting terminal 322 stretches into cooking chamber 101 by the second antenna feed entrance.
It is appreciated that the shape of the shape for first antenna feed-in mouth and the second antenna feed entrance does not the most make special limit
Fixed, as long as ensureing that the first feed side 311 of first antenna 310 can be by the of first antenna feed-in mouth and the second antenna 320
The second antenna feed entrance can be passed through in two feed sides 321, and such as, first antenna feed-in mouth and the second antenna feed entrance are respectively
For circular port.Thus, after first antenna 310 and the second antenna 320 are respectively connecting to microwave source 200, microwave source 200 produces
Microwave signal can be respectively from the first feed side 311 feed-in first antenna 310 and from second feed side 321 feed-in the second antenna
320, launch to cooking chamber 101 finally by the first transmitting terminal 312 and the second transmitting terminal 322, thus in heating cooking room 101
Food.
In correlation technique, utilizing standing wave to weigh microwave transmission efficiency, such as, standing wave value is that (this is theoretical value to 1-1.04, real
Border application is difficult to reach), represent that microwave transmission efficiency now is 100%；Standing wave value is 1.3, represents that microwave now passes
Defeated efficiency is 98.3%；Standing wave value is 1.6, represents that microwave transmission efficiency now is 94.7%；Standing wave value is 2, represents now
Microwave transmission efficiency be 88.9%.So, less standing wave value represents higher microwave transmission efficiency.
Owing to the microwave cooking device 1 according to this utility model embodiment has first antenna 310 and the second antenna 320,
Therefore, also needing to weigh the isolation between first antenna 310 and the second antenna 320, such as, isolation is-10dB, represents first
The decay times of power transmission between microwave transmission passage and the microwave transmission passage of the second antenna 320 work of antenna 310 work
Number is 10 times, so, when two microwave transmission passages work, if the microwave transmission passage of first antenna 310 work is sent out simultaneously
The microwave power penetrated is 100W, then have the microwave transmission channel reception that the microwave power of 10W is worked by the second antenna 320, i.e.
The 100W microwave power of the microwave transmission channel emission of first antenna 310 work, wherein has 10W not arrive food to be heated.
In like manner, if the microwave power of the microwave transmission channel emission of the second antenna 320 work is 100W, then there is 10W
The microwave transmission channel reception that worked by the second antenna 320 of microwave power.So, isolation the highest (such as, isolation be-
20dB represents decay 100 times, and isolation represents decay 1000 times for-30dB), on the one hand show between two microwave transmission passages
The microwave power mutually absorbed is the fewest, and the microwave power i.e. arriving food to be heated is the most；On the other hand two microwaves can be reduced
The reflection power of transmission channel, prevents reflection power excessive and burns microwave source 200, improves safety.
As shown in Fig. 6-Figure 16, according to the microwave cooking device 1 of this utility model embodiment, the work of first antenna 310
The working frequency range of frequency range and the second antenna 320 is 2.4GHz-2.5GHz, respectively to 1Kg, 100ml, 200ml, 300ml,
When the water of 400ml, 500ml, 600ml, 700ml, 800ml and 900ml heats, first antenna 310 and the second antenna 320
Standing wave value is less and isolation is higher, thus the microwave power arriving hot water to be added is relatively big, and microwave transmission efficiency is high.
In sum, according to the microwave cooking device 1 of this utility model embodiment, long by cooking chamber 101 is designed as
Cube shape, and on the left side wall and right side wall of cooking chamber 101, it is respectively equipped with first antenna 310 and the second antenna 320, thus,
Being obtained in that bigger microwave power, thus microwave transmission efficiency is high, microwave heating effects is good.
In embodiments more of the present utility model, as in figure 2 it is shown, a length of L of cooking chamber 101, width are W, highly
For H, wherein, 300mm≤L≤360mm, 220mm≤W≤280mm, 66mm≤H≤126mm.So, can by microwave effectively
It is strapped in cooking chamber 101, thus obtains excellent by heat space, be beneficial to improve the microwave heating performance of microwave cooking device 1.
Further, as in figure 2 it is shown, the rear wall of the center of the first feed side 311 of first antenna 310 and cooking chamber 101
Face distance in the longitudinal direction is W1, the center of the first feed side 311 of first antenna 310 and the top wall surface of cooking chamber 101
Distance in the vertical direction is H1, wherein, and 68mm≤W1≤78mm, 40mm≤H1≤50mm.So, it is beneficial to increase first day
The microwave power that line 310 is launched to food to be heated, improves microwave transmission efficiency.
Further, as in figure 2 it is shown, the rear wall of the center of the second feed side 321 of the second antenna 320 and cooking chamber 101
Face distance in the longitudinal direction is W2, the center of the second feed side 321 of the second antenna 320 and the top wall surface of cooking chamber 101
Distance in the vertical direction is H2, wherein, and 130mm≤W2≤140mm, 45mm≤H2≤55mm.So, beneficially increase second
The microwave power that antenna 320 is launched to food to be heated, improves microwave transmission efficiency.
In embodiments more of the present utility model, as shown in Figure 3-Figure 5, in first antenna 310 and the second antenna 320
Each includes mast 301, mast 301 be divided axially into along it be connected with microwave source 200 feed-in section 3011, stretch into culinary art
The transmitter section 3013 of room 101 and the changeover portion 3012 being connected between feed-in section 3011 and transmitter section 3013, feed side is formed
In feed-in section 3011 and transmitting terminal is formed on transmitter section 3013, the cross-sectional area of transmitter section 3013 is more than feed-in section 3011
Cross-sectional area, the cross-sectional area of changeover portion 3012 is along being gradually increased from feed-in section 3011 to the direction of transmitter section 3013.So, sky
Line bar 301 spreads along the direction from feed side to transmitting terminal and extends, and microwave is from the less feed-in section of the cross-sectional area of mast 301
After 3011 feed-ins, through diffusion extend changeover portion 3012 gradually to transmitter section 3013 diffusion transport, finally bigger from cross-sectional area
Transmitter section 3013 stable and launch equably to cooking chamber 101, thus improve microwave heating effects.
Specifically, the first feed side 311 of first antenna 310 is formed at the feed-in section of mast 301 of first antenna 310
On 3011 and on the transmitter section 3013 of the first transmitting terminal 312 mast 301 of being formed at first antenna 310, the second antenna 320
In the feed-in section 3011 of the mast 301 that the second feed side 321 is formed at the second antenna 320 and the second transmitting terminal 322 is formed at
On the transmitter section 3013 of the mast 301 of the second antenna 320.
Thus, the mast 301 of first antenna 310 spreads along from the direction of the first feed side 311 to the first transmitting terminal 312
Extending, microwave, after feed-in section 3011 feed-in that the cross-sectional area of the mast 301 of first antenna 310 is less, extends through diffusion
Changeover portion 3012 gradually to transmitter section 3013 diffusion transport, finally stable from the transmitter section 3013 that cross-sectional area is bigger and uniformly
Ground is launched to cooking chamber 101；The mast 301 of the second antenna 320 is along from the second feed side 321 to the second transmitting terminal 322
Direction diffusion extend, microwave after feed-in section 3011 feed-in that the cross-sectional area of the mast 301 of the second antenna 320 is less, warp
The changeover portion 3012 that diffusion extends is gradually to transmitter section 3013 diffusion transport, finally steady from the transmitter section 3013 that cross-sectional area is bigger
Determining and launch equably to cooking chamber 101, thus the directivity of first antenna 310 and the second antenna 320 is good, microwave transmission is imitated
Rate is high, and energy loss is little, is beneficial to simplify the structure of microwave cooking device 1, improves the safety of microwave cooking device 1.
Alternatively, as shown in Figure 3-Figure 5, feed-in section 3011 is respectively cylinder with transmitter section 3013, and changeover portion 3012 is
Truncated cone-shaped, thus adapt to the transmission of microwave, reduce power loss.Preferably, as shown in Figure 4, a diameter of Φ of feed-in section 3011
1, a length of L1, a length of L2 of changeover portion 3012, a diameter of Φ 2 of transmitter section 3013, a length of L3, wherein, 2.5mm≤Φ
1≤3.5mm, 4.9mm≤Φ 2≤5.9mm, 10.9mm≤L1≤11.9mm, 6.5mm≤L2≤7.5mm, 6.5mm≤L3≤
7.5mm such that it is able to obtaining stable and efficient power output, power attenuation is little, and microwave transmission efficiency is high, is beneficial to improve microwave
The overall performance of cooker 1.
In the embodiment shown in fig. 5, each in first antenna 310 and the second antenna 320 also includes and mast
301 earth plates 302 insulated from each other, earth plate 302 has the endoporus inserted for feed-in section 3011 and is total to culinary art cavity 100
Ground.So, microwave transmission path can from endoporus through earth plate 302, thus be beneficial to reduce microwave leakage on the transmit path
Ripple, optimizes the power match between each several part.It is appreciated that earth plate 302 can be direct with the shell of microwave source 200 or pedestal
It is connected, it is also possible to be indirectly connected to by shell or the pedestal of the outer conductor of radio frequency connector with microwave source 200.
Alternatively, feed-in section 3011 is joined directly together or by radio frequency connector with micro-with the power take-off of microwave source 200
Wave source 200 is indirectly connected to, thus improves the motility of connected mode, it is simple to optimize the structure design of microwave cooking device 1.Example
As, feed-in section 3011 can be connected with the power take-off of microwave source 200 by the inner wire of radio frequency connector.Advantageously, feedback
The section of entering 3011, changeover portion 3012 are one-body molded with transmitter section 3013, thus reduce and connect the power attenuation brought, and simplify antenna
The structure of bar 301.Preferably, the impedance of first antenna 310 and the impedance of the second antenna 320 are respectively by normal impedance (50 Ω-70
Ω) design.
According to embodiments more of the present utility model, as it is shown in figure 1, culinary art cavity 100 could be included for anti-leak-stopping
The chokes front tooth 130 of ripple, chokes front tooth 130 is located on culinary art cavity 100, and chokes front tooth 130 closes cooking chamber in door body 120
101 upper surface time culinary art cavity 100 and door body 120 between.
It is appreciated that the microwave cooking device 1 according to this utility model embodiment can also include power supply 400 and control dress
Putting 500, power supply 400 and control device 500 are separately mounted to cook on cavity 100 and be respectively positioned on below cooking chamber 101, control dress
Put 500 respectively with power supply 400 and microwave source 200 communication, culinary art timed unit 500 control power supply 400 and microwave source 200 work
Make, thus realize the microwave heating to food.
Below with reference to the accompanying drawings the microwave cooking device 1 according to a specific embodiment of the present utility model is described in detail, value
Must be understood by, simply exemplary illustration described below, and it is not intended that to restriction of the present utility model.
As shown in Fig. 1-Figure 16, according to the microwave cooking device 1 of this utility model embodiment, including culinary art cavity 100, door
Body 120, microwave source 200, first antenna the 310, second antenna 320, power supply 400 and control device 500.
Specifically, culinary art cavity 100 has the cooking chamber 101 of the cuboid that upper surface opens wide, culinary art cavity 100
Left side wall is provided with first antenna feed-in mouth, and the right side wall of culinary art cavity 100 is provided with the second antenna feed entrance.Door body 120 is
Having the Transparent Parts of micro-wave screening function, the tailing edge of door body 120 is arranged on the top of the rear wall of culinary art cavity 100 turningly,
To open and close the upper surface of cooking chamber 101.Culinary art cavity 100 is provided with chokes front tooth 130, and chokes front tooth 130 is at door
Cooking between cavity 100 and door body 120 when body 120 closes the upper surface of cooking chamber 101.Microwave source 200, power supply 400 and
Control device 500 to be separately mounted to cook on cavity 100 and be respectively positioned on below cooking chamber 101, wherein microwave source 200 be two and
It is respectively adjacent to cook left side wall and the right side wall of cavity 100, controls device 500 and lead to power supply 400 and two microwave sources 200 respectively
News.
As shown in Figure 3-Figure 5, each in first antenna 310 and the second antenna 320 includes mast 301 and and antenna
The earth plate 302 that bar 301 is insulated from each other, mast 301 is divided axially into feed-in section 3011, transmitter section 3013 along it and is connected to
Changeover portion 3012 between feed-in section 3011 and transmitter section 3013, feed-in section 3011 is respectively cylinder, mistake with transmitter section 3013
The section of crossing 3012 is truncated cone-shaped, and the cross-sectional area of transmitter section 3013 is more than the cross-sectional area of feed-in section 3011, the horizontal stroke of changeover portion 3012
Sectional area is along being gradually increased from feed-in section 3011 to the direction of transmitter section 3013.Earth plate 302 has confession feed-in section 3011 and inserts
Endoporus and with culinary art cavity 100 altogether.Specifically, a diameter of Φ 1 of feed-in section 3011, a length of L1, changeover portion 3012
A length of L2, a diameter of Φ 2 of transmitter section 3013, a length of L3, wherein, 2.5mm≤Φ 1≤3.5mm, 4.9mm≤Φ 2≤
5.9mm, 10.9mm≤L1≤11.9mm, 6.5mm≤L2≤7.5mm, 6.5mm≤L3≤7.5mm.
First antenna 310 has the first feed side 311 and the first transmitting terminal 312, and the second antenna 320 has the second feed side
321 and second transmitting terminal 322, the first feed side 311 of first antenna 310 is formed at the feedback of the mast 301 of first antenna 310
In the section of entering 3011 and on the transmitter section 3013 of the first transmitting terminal 312 mast 301 of being formed at first antenna 310, the second antenna
In the feed-in section 3011 of the mast 301 that second feed side 321 of 320 is formed at the second antenna 320 and the second transmitting terminal 322 shape
Become on the transmitter section 3013 of the mast 301 of the second antenna 320.The power of the microwave source 200 in the first feed side 311 and left side
Outfan is joined directly together, and the first transmitting terminal 312 stretches into cooking chamber 101 by first antenna feed-in mouth, and the second feed side 321 is with right
The power take-off of the microwave source 200 of side is joined directly together, and the second transmitting terminal 322 stretches into cooking chamber by the second antenna feed entrance
101。
As in figure 2 it is shown, the length direction of cooking chamber 101 orients in left-right direction, a length of L of cooking chamber 101, width are
W, height be H, the center of the first feed side 311 of first antenna 310 and the rear surface of cooking chamber 101 in the longitudinal direction away from
From for W1, the center of the first feed side 311 of first antenna 310 and the top wall surface of cooking chamber 101 distance in the vertical direction
For H1, the center of the second feed side 321 of the second antenna 320 with the rear surface of cooking chamber 101 distance is in the longitudinal direction
W2, the center of the second feed side 321 of the second antenna 320 and the top wall surface of cooking chamber 101 distance in the vertical direction are H2,
Wherein, 300mm≤L≤360mm, 220mm≤W≤280mm, 66mm≤H≤126mm, 68mm≤W1≤78mm, 40mm≤H1≤
50mm, 130mm≤W2≤140mm, 45mm≤H2≤55mm.
Thus, during cooking food, open up door body 120, then food to be heated is put into cooking chamber 101, control
Device 500 controls power supply 400 and two microwave sources 200 work, and the microwave signal that two microwave sources 200 produce can be respectively from the
One feed side 311 feed-in first antenna 310 and from second feed side 321 feed-in the second antenna 320, microwave is through changeover portion 3012
Diffusion after transmit to transmitter section 3013, finally by the first transmitting terminal 312 with the second transmitting terminal 322 is stable and efficiently to cooking
Room 101 of preparing food is launched, thus the food in heating cooking room 101.
Microwave cooking device 1 according to this utility model embodiment, the working frequency range of first antenna 310 and the second antenna
The working frequency range of 320 is 2.4GHz-2.5GHz.Microwave cooking according to this utility model embodiment is described with reference to the accompanying drawings
The water of 1Kg, 100ml, 200ml, 300ml, 400ml, 500ml, 600ml, 700ml, 800ml and 900ml is carried out by device 1 respectively
During heating, in 2.4GHz-2.5GHz frequency range the standing wave value of the first feed side 311 and the standing wave value of the second feed side 321 and
Isolation between first antenna 310 and the second antenna 320.
As shown in Figure 6, when heating 1Kg water according to the microwave cooking device 1 of this utility model embodiment, first antenna 310
Standing wave maximum at full frequency band (2.4GHz-2.5GHz) is 1.417 (this time frequency point is 2.5GHz), and minimum transfer efficiency is
97%；Second antenna 320 is 1.583 (this time frequency point is 2.5GHz) at the standing wave maximum of full frequency band (2.4GHz-2.5GHz),
Minimum transfer efficiency is 96%.
During as it is shown in fig. 7, heat 1Kg water according to the microwave cooking device 1 of this utility model embodiment, first antenna 310
And the isolation maximum between the second antenna 320 is-20dB (decaying 100 times), i.e. first antenna 310 and the second antenna 320
Between the microwave power that mutually absorbs less, and the reflection power of the reflection power of first antenna 310 and the second antenna 320 is the most relatively
Little.
As shown in Fig. 8-Figure 16, heat 100mL-900mL water according to the microwave cooking device 1 of this utility model embodiment
Time, the maximum of the standing wave of first antenna 310 and the standing wave of the second antenna 320 is 3, and standing wave value is the lowest on the frequency of 95%
In 2；Isolation between first antenna 310 with the second antenna 320 only compares heating 100mL water when comparatively speaking
Difference, the close-10dB of isolation on the frequency of 70%, when first antenna 310 and the second antenna 320 are operated in this case
Time, the isolation frequency more than-10dB can be avoided by regulating frequency, so that first antenna 310 and the second antenna 320
It is operated in remaining frequency district of 30% respectively, it is ensured that the safety of microwave source 200.
In sum, according to the microwave cooking device 1 of this utility model embodiment, on the one hand owing to using upward-acting door to set
Meter, it is possible to avoid and the door body 120 that cause long relative to the height of door body 120 due to the length of door body 120 at life-time service
Middle generation deformation, and the horizontal space taken is smaller, user without stand in distant location just can switch gate smoothly, pick and place
Food is convenient.Meanwhile, user can clear up cooking chamber 101 easily from top, and the culinary art situation in cooking chamber 101 also allows for using
Family is observed.Additionally, the design using the design relatively side of upward-acting door to open the door increases shop front area, because being horizontal positioned, permissible
Effectively utilize the area increased, thus realize embedded design, take up room little.
On the other hand, according to the microwave cooking device 1 of this utility model embodiment, long by cooking chamber 101 is designed as
Cube shape, is respectively equipped with first antenna 310 and the second antenna 320 on the left side wall and right side wall of cooking chamber 101, and to culinary art
The length of room 101 and first antenna 310 and the second antenna 320 are optimized design in the position of cooking chamber 101 respectively,
So, when the load, microwave matching changes, in the case of arbitrary load cooking chamber 101 stationary wave characteristic and every
Requirement can be met from degree, it is possible to ensure higher microwave transmission efficiency, thus microwave heating effects is good, and safety is high.
Other of microwave cooking device 1 according to this utility model embodiment constitute and operate skill common for this area
It is all known for art personnel, is not detailed herein.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ",
Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " are based on shown in the drawings
Orientation or position relationship, be for only for ease of and describe this utility model and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, except as otherwise noted, the implication of " multiple "
It is two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
In the description of this specification, reference term " embodiment ", " some embodiments ", " specific embodiment ", " can
Select embodiment ", the description of " example " or " some examples " etc. means to combine this embodiment or example describes specific features, knot
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
In the case of without departing from principle of the present utility model and objective, these embodiments can be carried out multiple change, revise, replace
And modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (16)
1. a microwave cooking device, it is characterised in that including:
Culinary art cavity, has upper surface and opens wide and cooking chamber in cuboid in described cooking cavity body；
Door body, described door body is arranged on described culinary art cavity to open and close the upper surface of described cooking chamber turningly.
Microwave cooking device the most according to claim 1, it is characterised in that the tailing edge of described door body is arranged on turningly
The top of the rear wall of described culinary art cavity.
Microwave cooking device the most according to claim 1, it is characterised in that described door body closes the upper table of described cooking chamber
During face, the upper surface of described door body constitutes operating table surface.
Microwave cooking device the most according to claim 1, it is characterised in that described door body is to have micro-wave screening function
Transparent Parts.
Microwave cooking device the most according to claim 1, it is characterised in that described door body closes the upper table of described cooking chamber
During face, the upper surface of described door body is provided with display screen.
6. according to the microwave cooking device according to any one of claim 1-5, it is characterised in that the length side of described cooking chamber
To orienting in left-right direction, the left side wall of described cooking chamber is provided with first antenna feed-in mouth, on the right side wall of described cooking chamber
Being provided with the second antenna feed entrance, described microwave cooking device also includes:
Microwave source, described microwave source is arranged on described culinary art cavity and is positioned at below described cooking chamber；
First antenna, described first antenna is had the first feed side being connected with described microwave source and is presented by described first antenna
Entrance stretches into the first transmitting terminal of described cooking chamber；
Second antenna, described second antenna has the second feed side being connected with described microwave source and by described second antenna feed
Entrance stretches into the second transmitting terminal of described cooking chamber.
Microwave cooking device the most according to claim 6, it is characterised in that a length of L of described cooking chamber, width be W,
It is highly H, wherein, 300mm≤L≤360mm, 220mm≤W≤280mm, 66mm≤H≤126mm.
Microwave cooking device the most according to claim 7, it is characterised in that in the first feed side of described first antenna
The rear surface of the heart and described cooking chamber distance in the longitudinal direction is W1, the center of the first feed side of described first antenna with
The top wall surface of described cooking chamber distance in the vertical direction is H1, wherein, and 68mm≤W1≤78mm, 40mm≤H1≤50mm.
Microwave cooking device the most according to claim 7, it is characterised in that in the second feed side of described second antenna
The rear surface of the heart and described cooking chamber distance in the longitudinal direction is W2, the center of the second feed side of described second antenna with
The top wall surface of described cooking chamber distance in the vertical direction is H2, wherein, and 130mm≤W2≤140mm, 45mm≤H2≤
55mm。
Microwave cooking device the most according to claim 6, it is characterised in that described first antenna and described second antenna
In each include:
Mast, described mast be divided axially into along it be connected with described microwave source feed-in section, stretch into described cooking chamber send out
The section of penetrating and be connected to the changeover portion between described feed-in section and described transmitter section, described feed side is formed in described feed-in section
And described transmitting terminal is formed on described transmitter section, the cross-sectional area of described transmitter section more than described feed-in section cross-sectional area and
The cross-sectional area of described changeover portion is along being gradually increased from the direction of described feed-in section to described transmitter section.
11. microwave cooking devices according to claim 10, it is characterised in that described feed-in section is with described transmitter section respectively
For cylinder, described changeover portion is truncated cone-shaped.
12. microwave cooking devices according to claim 11, it is characterised in that a diameter of Φ 1 of described feed-in section, length
For L1, a length of L2 of described changeover portion, a diameter of Φ 2 of described transmitter section, a length of L3, wherein, 2.5mm≤Φ 1≤
3.5mm, 4.9mm≤Φ 2≤5.9mm, 10.9mm≤L1≤11.9mm, 6.5mm≤L2≤7.5mm, 6.5mm≤L3≤7.5mm.
13. microwave cooking devices according to claim 10, it is characterised in that described first antenna and described second antenna
In each also include:
The earth plate insulated from each other with described mast, described earth plate has the endoporus inserted for described feed-in section and with described
Culinary art cavity is altogether.
14. microwave cooking devices according to claim 10, it is characterised in that described feed-in section is direct with described microwave source
It is connected or is indirectly connected to described microwave source by radio frequency connector.
15. microwave cooking devices according to claim 10, it is characterised in that described feed-in section, described changeover portion and institute
State transmitter section one-body molded.
16. microwave cooking devices according to claim 1, it is characterised in that described culinary art cavity also includes:
For preventing the chokes front tooth of leaky wave, described chokes front tooth is located on described culinary art cavity and closes in described door body described
During the upper surface of cooking chamber between described culinary art cavity and described door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699864.1U CN205860137U (en) | 2016-07-05 | 2016-07-05 | Microwave cooking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699864.1U CN205860137U (en) | 2016-07-05 | 2016-07-05 | Microwave cooking device |
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| Publication Number | Publication Date |
|---|---|
| CN205860137U true CN205860137U (en) | 2017-01-04 |
Family
ID=57645314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620699864.1U Active CN205860137U (en) | 2016-07-05 | 2016-07-05 | Microwave cooking device |
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| CN (1) | CN205860137U (en) |
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| CN108924982A (en) * | 2017-12-20 | 2018-11-30 | 恩智浦美国有限公司 | Thawing equipment and its operating method |
| US10917948B2 (en) | 2017-11-07 | 2021-02-09 | Nxp Usa, Inc. | Apparatus and methods for defrosting operations in an RF heating system |
| US10917065B2 (en) | 2017-11-17 | 2021-02-09 | Nxp Usa, Inc. | RF heating system with phase detection for impedance network tuning |
| US10952289B2 (en) | 2018-09-10 | 2021-03-16 | Nxp Usa, Inc. | Defrosting apparatus with mass estimation and methods of operation thereof |
| US11039511B2 (en) | 2018-12-21 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with two-factor mass estimation and methods of operation thereof |
| US11039512B2 (en) | 2016-08-05 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with lumped inductive matching network and methods of operation thereof |
| US11166352B2 (en) | 2018-12-19 | 2021-11-02 | Nxp Usa, Inc. | Method for performing a defrosting operation using a defrosting apparatus |
| CN113685857A (en) * | 2021-08-31 | 2021-11-23 | 广东美的厨房电器制造有限公司 | Door body assembly of microwave cooking utensil and microwave cooking utensil with door body assembly |
| US11570857B2 (en) | 2018-03-29 | 2023-01-31 | Nxp Usa, Inc. | Thermal increase system and methods of operation thereof |
| US11632829B2 (en) | 2016-08-05 | 2023-04-18 | Nxp Usa, Inc. | Apparatus and methods for detecting defrosting operation completion |
| US11800608B2 (en) | 2018-09-14 | 2023-10-24 | Nxp Usa, Inc. | Defrosting apparatus with arc detection and methods of operation thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11039512B2 (en) | 2016-08-05 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with lumped inductive matching network and methods of operation thereof |
| US11632829B2 (en) | 2016-08-05 | 2023-04-18 | Nxp Usa, Inc. | Apparatus and methods for detecting defrosting operation completion |
| US10917948B2 (en) | 2017-11-07 | 2021-02-09 | Nxp Usa, Inc. | Apparatus and methods for defrosting operations in an RF heating system |
| US10917065B2 (en) | 2017-11-17 | 2021-02-09 | Nxp Usa, Inc. | RF heating system with phase detection for impedance network tuning |
| CN108924982A (en) * | 2017-12-20 | 2018-11-30 | 恩智浦美国有限公司 | Thawing equipment and its operating method |
| US11382190B2 (en) | 2017-12-20 | 2022-07-05 | Nxp Usa, Inc. | Defrosting apparatus and methods of operation thereof |
| US11570857B2 (en) | 2018-03-29 | 2023-01-31 | Nxp Usa, Inc. | Thermal increase system and methods of operation thereof |
| US10952289B2 (en) | 2018-09-10 | 2021-03-16 | Nxp Usa, Inc. | Defrosting apparatus with mass estimation and methods of operation thereof |
| US11800608B2 (en) | 2018-09-14 | 2023-10-24 | Nxp Usa, Inc. | Defrosting apparatus with arc detection and methods of operation thereof |
| US11166352B2 (en) | 2018-12-19 | 2021-11-02 | Nxp Usa, Inc. | Method for performing a defrosting operation using a defrosting apparatus |
| US11039511B2 (en) | 2018-12-21 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with two-factor mass estimation and methods of operation thereof |
| CN113685857A (en) * | 2021-08-31 | 2021-11-23 | 广东美的厨房电器制造有限公司 | Door body assembly of microwave cooking utensil and microwave cooking utensil with door body assembly |
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