CN104373971B - Microwave oven and exciter for microwave oven - Google Patents
Microwave oven and exciter for microwave oven Download PDFInfo
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- CN104373971B CN104373971B CN201410648095.8A CN201410648095A CN104373971B CN 104373971 B CN104373971 B CN 104373971B CN 201410648095 A CN201410648095 A CN 201410648095A CN 104373971 B CN104373971 B CN 104373971B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/72—Radiators or antennas
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- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
The invention discloses a microwave oven and an exciter for the microwave oven. The exciter comprises a waveguide box, a coaxial connector and an antenna mast, wherein the waveguide box is internally provided with a cavity, one end of the cavity positioned along the length direction of the waveguide box is open, and the other end of the cavity is closed; the coaxial connector is positioned in the cavity, and the upper end of the coaxial connector is connected with the top wall of the waveguide box; the antenna mast is arranged in the cavity, and the antenna mast is connected with the coaxial connector and the waveguide box to form at least one closed loop structure. According to the exciter for the microwave oven, at least one closed loop structure is formed by utilizing the antenna mast, the coaxial connector and the waveguide box together, so that higher transmission efficiency is achieved between a microwave generated by a microwave generator and the cavity; the design debugging is facilitated, and the microwave can be changed from coaxial propagation to waveguide propagation in a conducting process, so that the reflection power is reduced, the microwave radiation range is enlarged, and the transmission efficiency of the microwave is improved.
Description
Technical field
The present invention relates to micro-wave oven technical field, the driver particularly to a kind of micro-wave oven and for micro-wave oven.
Background technology
At present, the driver that micro-wave oven mainly adopts is the structure that probe or antenna directly insert rectangular waveguide box, this
The driver planting structure can not effectively suppress microwave power reflection, have impact on the efficiency of transmission of driver.And by this knot
It is easily damaged semiconductor microactuator wave source when structure is applied on semiconductor microwave oven.
Content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this reason, the present invention carries
Go out a kind of driver for micro-wave oven, the described driver for micro-wave oven has that efficiency of transmission is high, reflection power is little, microwave
The wide advantage of radiation scope.
The present invention also proposes a kind of micro-wave oven, and described micro-wave oven has above-mentioned driver.
Provide a kind of driver for micro-wave oven according to an aspect of the present invention, described micro-wave oven is included for producing
The microwave generator of raw microwave, described driver includes：Wave guide box, has cavity in described wave guide box, along described wave guide box
The open at one end of described cavity and other end closing on length direction；Coaxial connector, described coaxial connector is located at described chamber
Internal and upper end is connected with the roof of described wave guide box；And mast, described mast is located in described cavity, and described sky
Line bar is connected with described coaxial connector, described wave guide box to be configured at least one closed loop configuration.
According to the present invention for the driver of micro-wave oven, it is total to by using mast, coaxial connector and wave guide box
Isomorphism causes at least one closed loop configuration, makes the efficiency of transmission between the microwave of microwave generator generation and cavity higher, not only has
Beneficial to design debugging, microwave can also be made to be converted to waveguide by propagating co-axial in conductive process and to propagate, and then reduce reflection
Power, expands the radiation scope of microwave, improves the efficiency of transmission of microwave.
According to one embodiment of present invention, through hole, the central point of described through hole are provided with the roof of described wave guide box
On the vertical median plane extending along its length of described wave guide box, described coaxial connector is connected to described through hole
Interior.
According to one embodiment of present invention, the vertical range of the blind end of the central point of described through hole and described wave guide box
For L, L=1/4 λ * n, wherein n are positive integer, and λ is the wavelength of described microwave.
According to one embodiment of present invention, described Waveguide box-shape becomes rectangular shape, and the width of described wave guide box is big
Height in described wave guide box.
Further, the width of described wave guide box is a and meets 60≤a≤100mm, the height of described wave guide box be b and
Meet 30≤b≤50mm.
Preferably, the plane that described mast is located is parallel or vertical with the side on the width of described wave guide box.
According to some embodiments of the present invention, described mast takes the shape of the letter U, and described mast includes：First paragraph, described first
Section is connected with described coaxial connector；Second segment, described second segment is connected with the roof of described cavity；And linkage section, described
Linkage section is connected between described first paragraph and described second segment so that described mast, described coaxial connector and described chamber
The roof and wall structure of body becomes single closed loop configuration.
Preferably, described connection segment length is m, and the width of described wave guide box is a, and a/12≤m≤a/6.
According to some embodiments of the present invention, described mast is in E shape, and described mast includes：First paragraph, described
One section is connected with described coaxial connector；Second segment and the 3rd section, described second segment and described 3rd section all with described cavity
Roof connects；Linkage section, described linkage section be connected to described first paragraph, described second segment, described 3rd section the same side so that
Described mast becomes double circle structure with the roof and wall structure of described coaxial connector, described cavity.
Preferably, described first paragraph is located between described second segment and described 3rd section, and described first paragraph and described the
The distance between two sections equal with the distance between described first paragraph and described 3rd section.
Preferably, the length of described linkage section is m, and the width of described wave guide box is a, and a/6≤m≤a/3.
According to some embodiments of the present invention, described mast is provided with least one free end, and described free end is by institute
State in mast extended and be generally aligned in the same plane with described mast.
Provide a kind of micro-wave oven according to a further aspect in the invention, including：Casing, described casing has heating chamber；With
To produce the microwave generator of microwave；And as above driver, described driver is connected with described microwave generator, institute
The described open end stating wave guide box is connected with described heating chamber, by the described microwave transmission of described microwave generator generation to institute
State in heating chamber.
According to the micro-wave oven of the present invention, it is collectively configured at least by using mast, coaxial connector and wave guide box
One closed loop configuration, makes the efficiency of transmission between the microwave of microwave generator generation and cavity higher, is not only advantageous to design debugging,
Microwave can also be made to be converted to waveguide by propagating co-axial in conductive process propagate, and then reduce reflection power, expand micro-
The radiation scope of ripple, improves the efficiency of transmission of microwave.
Brief description
Fig. 1 is the perspective view of the driver for micro-wave oven according to an embodiment of the invention；
Fig. 2 is the top view of the driver in Fig. 1；
Fig. 3-Fig. 6 is the perspective view according to different embodiments of the invention for the driver of micro-wave oven；
Fig. 7 is the structural representation of the mast of the driver for micro-wave oven according to an embodiment of the invention；
Fig. 8 is the perspective view of micro-wave oven according to an embodiment of the invention.
Reference：
Driver 100,
Wave guide box 110, cavity 111, open end 112, blind end 113, roof 114, through hole 115, vertical median plane 116,
Coaxial connector 120, inner wire 121, outer conductor 122,
Mast 130, first paragraph 131, second segment 132, the 3rd section 133, free end 134, linkage section 135, micro-wave oven
200,
Casing 210, microwave generator 220.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
Describe the driver 100 for micro-wave oven 200 according to embodiments of the present invention referring to Fig. 1-Fig. 7 in detail.Need
It is noted that micro-wave oven 200 can include the microwave generator 220 for producing microwave, microwave generator 220 and driver
100 are connected.Here, micro-wave oven 200 can be semiconductor microwave oven, and microwave generator 220 can be semiconductor microwave source.
As shown in Fig. 1-Fig. 7, the driver 100 for micro-wave oven 200 according to embodiments of the present invention, including：Wave guide box
110th, coaxial connector 120 and mast 130.
Specifically, as depicted in figs. 1 and 2, in wave guide box 110, there is cavity 111, along the length direction of wave guide box 110
The open at one end of upper cavity 111 and other end closing.Here length direction refers to left and right directions as shown in Figure 1, that is,
Say, the right-hand member of wave guide box 110 can be open end 112, and left end can be blind end 113.Mast 130 is located in cavity 111
And connect with coaxial connector 120.Coaxial connector 120 is located in cavity 111 and upper end is connected with the roof 114 of wave guide box 110
Connect.Here " upper end " refers to one end of (top as shown in Figure 1) upward of coaxial connector 120.For coaxially connecting
The connected mode connecing between device 120 and wave guide box 110 is not specifically limited, and for example, coaxial connector 120 can be directly welded at
On wave guide box 110；For another example, coaxial connector 120 can also be fixed by screws on wave guide box 110.
Mast 130 is located in cavity 111, and mast 130 is connected with coaxial connector 120, wave guide box 110 to construct
Become at least one closed loop configuration.Here " closed loop configuration " can refer to the loop configuration closed.For example, show in as shown in Figure 3
Example in, mast 130, coaxial connector 120 are connected with the roof 114 of wave guide box 110 respectively, and mast 130 with coaxially connect
Connect device 120 to connect to be configured to the loop configuration closed.
Directly by probe or antenna insertion wave guide box, part microwave will produce during propagating traditional driver
Raw microwave power reflection, thus reduces the efficiency of transmission of microwave.Meanwhile, the driver of this structure is applied to semiconductor microactuator
When on ripple stove, easily the microwave source of micro-wave oven is caused to damage.Compared with correlation technique, according to embodiments of the present invention for micro-
The driver 100 of ripple stove 200, is collectively configured at least by using mast 130, coaxial connector 120 and wave guide box 110
One closed loop configuration, makes the efficiency of transmission between the microwave of microwave generator 220 generation and cavity 111 higher, is not only advantageous to set
Meter debugging, can also make microwave be converted to waveguide by propagating co-axial in conductive process and propagate, and then reduce reflection power, expand
The big radiation scope of microwave, improves the efficiency of transmission of microwave.
Driver for micro-wave oven according to embodiments of the present invention, by using mast 130, coaxial connector 120
And wave guide box 110 is collectively configured at least one closed loop configuration, make between microwave and the cavity 111 of microwave generator 220 generation
Efficiency of transmission higher, be not only advantageous to design debugging, microwave can also be made to be converted to ripple by propagating co-axial in conductive process
Lead propagation, and then reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
As shown in Figure 1 and Figure 2, according to one embodiment of present invention, the roof 114 of wave guide box 110 is provided with through hole
115, the central point of through hole 115 is located on the vertical median plane 116 extending along its length of wave guide box 110, coaxially connected
Device 120 is connected in through hole 115.It should be noted that in example as shown in Figure 2, vertical median plane 116 referred to cavity
The center line that (left and right directions as shown in Figure 2) extends in left-right direction of 111 roofs 114 and the roof 114 with cavity 111
Vertical plane.Thus, it is possible to improve the radiation scope of microwave further, improve the efficiency of transmission of microwave.As shown in Fig. 2 it is logical
The central point in hole 115 is L, then L=1/4 λ * n with the vertical range of the blind end 113 of wave guide box 110, and wherein, n is positive integer, λ
Wavelength for microwave.Thus, it is possible to improve the efficiency of transmission of microwave further.
As shown in Fig. 2 coaxial connector 120 can include：Inner wire 121 and outer conductor 122.Specifically, inner wire 121
In cavity 111 and its upper end is stretched out by through hole 115.For example, in example as shown in Figure 3, the upper end of inner wire 121 by
Through hole 115 extend out to the outside of wave guide box 110, and lower end is located in cavity 111 and is connected with mast 130.Outer conductor 122 is located at
Roof 114 top of wave guide box 110 and being set in outside the upper end of inner wire 121.Alternatively, outer conductor 122 can be with roof 114
Welding is it is also possible to be connected with roof 114 by ring flange (not shown).It is understood that pass through coaxial connector 120 will
Microwave generator 220 is connected with mast 130, makes the transmission means of microwave be converted to waveguide type by coaxial-type circulation way and propagates
Mode, thereby reduces the reflection power in communication process for the microwave, improves the efficiency of transmission of microwave.
For expanding the radiation scope of microwave further, as shown in figure 1, wave guide box 110 can be formed as rectangular shape, ripple
The width leading box 110 is more than the height of wave guide box 110.Here, the width of wave guide box 110 refers to wave guide box 110 in fore-and-aft direction
Length on (fore-and-aft direction as shown in Figure 1), the height of wave guide box 110 refer to wave guide box 110 in above-below direction (as Fig. 1 institute
The above-below direction showing) on length.That is, in example as shown in Figure 1, the width of wave guide box 110 is a, wave guide box
110 height is b, then a ＞ b.Preferably, the width of wave guide box 110 is 60mm-100mm, i.e. 60mm≤a≤100mm；Waveguide
The height of box 110 is 30mm-50mm, i.e. 30mm≤b≤50mm.Certainly, the shape of wave guide box 110 is not limited to this, for example, root
According to one embodiment of the present of invention, wave guide box 110 may be formed as wedge-shaped waveguide box 110, wedge-shaped waveguide box 110 in length
Cross-sectional area on direction is gradually increased to open end 112 by blind end 113.
As shown in Figure 6 and Figure 7, mast 130 is provided with least one free end 134, and free end 134 is by mast 130
In extending and being generally aligned in the same plane with mast 130.Thus, it is possible to expand the radiation scope of microwave further, reduce reflection
Power, improves the efficiency of transmission of microwave.
It is understood that for mast 130 be located plane and wave guide box 110 width on side between
Position relationship do not do particular determination, for example, side on the width of plane and wave guide box 110 that mast 130 is located
Between angle size can be according to the wavelength of the structure of driver 100, the frequency of microwave or microwave depending on.For example, antenna
The plane that bar 130 is located is parallel or vertical with the side on the width of wave guide box 110.Here " the width of wave guide box 110
Side on direction " refers in vertically extending perpendicular, (as shown in Figure 1 with the fore-and-aft direction of wave guide box 110
Fore-and-aft direction) parallel plane.In example as shown in Figure 1, the plane that the open end 112 of wave guide box 110 is located is ripple
Lead a side on the width of box 110, the plane that the plane that mast 130 is located can be located with open end 112 is put down
Row or vertical.Thus, it is not only advantageous to design debugging, also reduce reflection power, expand the radiation scope of microwave, improve
The efficiency of transmission of microwave.
Describe the driver 100 for micro-wave oven 200 according to the present invention referring to several different embodiments in detail
Mast 130 shape.It should be noted that in embodiment 1 and embodiment 2, mast 130 and coaxial connector 120, ripple
Lead box 110 to connect to be configured to single closed loop configuration；In embodiment 3, mast 130 and coaxial connector 120, wave guide box 110
Connect to be configured to double circle structure；In example 4, mast 130 is connected with coaxial connector 120, wave guide box 110 with structure
Cause a closed loop configuration, and a free end 134 is had on mast 130；In example 4, mast 130 with coaxially connect
Connect device 120, wave guide box 110 connects to be configured to two closed loop configuration, and two free ends 134 are had on mast 130.It is worth
It is understood by, the following example is exemplary illustration, rather than the concrete restriction to the present invention.
Embodiment 1
As shown in figure 3, in this embodiment, mast 130 can take the shape of the letter U, and mast 130 includes：First paragraph 131,
Second segment 132 and linkage section 135.Wherein, the first paragraph 131 of mast 130 is connected with coaxial connector 120, mast 130
Second segment 132 is connected with the roof 114 of cavity 111, and linkage section 135 is connected with first paragraph 131 and second segment 132 so that mast
130 are configured to single closed loop configuration with coaxial connector 120, the roof 114 of cavity 111.As shown in figure 3, first paragraph 131, connection
Section 135, second segment 132, the portion top wall 114 of cavity 111 and coaxial connector 120 are collectively configured to the ring junction closed
Structure.The plane that mast 130 is located is parallel with the side on the width of wave guide box 110.Thus, it is not only advantageous to design to adjust
Examination, also reduces reflection power, expands the radiation scope of microwave, improve the efficiency of transmission of microwave.
For reducing reflection power further, expanding the radiation scope of microwave, improve the efficiency of transmission of microwave, as shown in figure 3,
The length of linkage section 135 is m, and the width of wave guide box 110 is a, and a/12≤m≤a/6.Preferably, as shown in figure 3, first paragraph
131 are parallel to each other with second segment 132, and linkage section 135 is vertically connected between first paragraph 131 and second segment 132 and linkage section 135
It is connected to one end, first paragraph 131 and the second segment of (lower section as shown in Figure 3) downward of first paragraph 131 and second segment 132
The distance between 132 is length m of linkage section 135.
Embodiment 2
As shown in figure 4, as different from Example 1, in this embodiment, mast 130 is located plane and wave guide box
Side on 110 width is vertical.Thus, it is not only advantageous to design debugging, also reduce reflection power, expand microwave
Radiation scope, improve the efficiency of transmission of microwave.
Embodiment 3
As shown in figure 5, in this embodiment, mast 130 can be in E shape, and mast 130 includes：First paragraph 131,
Second segment 132, the 3rd section 133 and linkage section 135.Wherein, the first paragraph of mast 130 is connected with 131 coaxial connectors 120,
The second segment 132 of mast 130, it is connected with the roof 114 of cavity 111 respectively for the 3rd section 133, linkage section 135 is connected to first
Section 131, second segment 132, the 3rd section 133 the same side, so that mast 130 and coaxial connector 120, the roof of cavity 111
114 are configured to double circle structure.For example, as shown in figure 5, the second segment 132 of mast 130, part linkage section 135, first paragraph
131st, the portion top wall 114 of coaxial connector 120 and cavity 111 is collectively configured to one of double circle structure closed loop knot
Structure；The 3rd section 133 of mast 130, part linkage section 135, the portion of first paragraph 131, coaxial connector 120 and cavity 111
Roof 114 is divided to be collectively configured to another closed loop configuration in double circle structure.Thus, expand the radiation scope of microwave, also
Reduce reflection power, improve the efficiency of transmission of microwave.
Preferably, as shown in figure 5, the first paragraph 131 of mast 130 is located between second segment 132 and the 3rd section 133, and
The distance between first paragraph 131 and second segment 132 are equal with the distance between first paragraph 131 and the 3rd section 133.Thus, not only
Be conducive to design debugging, also reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
Preferably, the length of the linkage section 135 of mast 130 is m, and the width of wave guide box is a, and a/6≤m≤a/3.Example
As shown in figure 5, the width of wave guide box is a, first paragraph 131, second segment 132 and the 3rd section 133 are parallel to each other, linkage section 135
It is vertically connected on one end downward of first paragraph 131, second segment 132 and the 3rd section 133, second segment 132 and the 3rd section 133
The distance between for linkage section 135 length m.
Certainly, the size of the angle between the side in plane and the width of wave guide box 110 that E shape mast is located
Depending on can also be according to factors such as the wavelength of the structure of driver 100, the frequency of microwave or microwave, as long as it can expand microwave
Radiation scope, the efficiency of transmission reducing reflection power, improving microwave, the plane at such as E shape mast place can be with
Side on the width of wave guide box 110 parallel it is also possible to vertical with the side on the width of wave guide box 110.
Embodiment 4
As shown in fig. 6, in this embodiment, mast 130 is provided with a free end 134, and free end 134 is by mast
130 extend and be generally aligned in the same plane with mast 130 in.For example, as shown in fig. 6, free end 134 by mast 130 company
The one end connecing section 135 is extended, and in this embodiment, mast 130 is in substantially F shape.Thus, it is not only advantageous to design debugging,
Also expand the radiation scope of microwave, reduce reflection power, improve the efficiency of transmission of microwave.
Embodiment 5
As shown in fig. 7, in this embodiment, mast 130 is provided with two free ends 134, two free ends 134 by
In mast 130 is extended and is generally aligned in the same plane with mast 130.For example, as shown in fig. 7, in two free ends 134 one
The individual left end by linkage section 135 extends towards left direction, another free end by linkage section 135 right-hand member towards right side side
To extending.Thus, it is not only advantageous to design debugging, also expand the radiation scope of microwave, reduce reflection power, improve
The efficiency of transmission of microwave.
8 micro-wave oven 200 according to embodiments of the present invention is described with reference to the accompanying drawings.
As shown in figure 8, micro-wave oven 200 according to embodiments of the present invention, including：Casing 210, microwave generator 220 and
Driver 100.Wherein, casing 210 has heating chamber (not shown), and food to be heated can be placed in heating chamber.Swash
Encourage device 100 to be connected with microwave generator 220, and the open end 112 of the wave guide box 110 of driver 100 is connected with heating chamber, will
The microwave transmission that microwave generator 220 produces is to heating chamber.
Micro-wave oven 200 according to embodiments of the present invention, by using mast 130, coaxial connector 120 and wave guide box
110 are collectively configured at least one closed loop configuration, make the efficiency of transmission between the microwave of microwave generator 220 generation and cavity 111
Higher, it is not only advantageous to design debugging, microwave can also be made to be converted to waveguide by propagating co-axial in conductive process and propagate, and then
Reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axial ",
" radially ", the orientation of the instruction such as " circumferential " or position relationship are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention with simplify description, rather than instruction or the hint device of indication or element must have specific orientation, with
Specific azimuth configuration and operation, are therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, permissible
It is the connection of two element internals or the interaction relationship of two elements, limit unless otherwise clear and definite.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example
Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (13)
1. a kind of driver for micro-wave oven, described micro-wave oven includes the microwave generator for producing microwave, and its feature exists
In described driver includes：
Wave guide box, has cavity in described wave guide box, along along the length direction of described wave guide box the open at one end of described cavity and
The other end is closed；
Coaxial connector, described coaxial connector is located in described cavity and upper end is connected with the roof of described wave guide box；And
Mast, described mast is located in described cavity, and described mast is with described coaxial connector, described wave guide box even
Connect to be configured at least one closed loop configuration.
2. the driver for micro-wave oven according to claim 1 is it is characterised in that set on the roof of described wave guide box
There is through hole, the central point of described through hole is located on the vertical median plane extending along its length of described wave guide box, described same
Mandrel connector is connected in described through hole.
3. the driver for micro-wave oven according to claim 2 it is characterised in that the central point of described through hole with described
The vertical range of the blind end of wave guide box is L, and L=1/4 λ * n, wherein n are positive integer, and λ is the wavelength of described microwave.
4. the driver for micro-wave oven according to claim 1 is it is characterised in that described Waveguide box-shape becomes cuboid
Shape, the width of described wave guide box is more than the height of described wave guide box.
5. the driver for micro-wave oven according to claim 4 it is characterised in that described wave guide box width be a and
Meet 60≤a≤100mm, the height of described wave guide box is b and meets 30≤b≤50mm.
6. the driver for micro-wave oven according to claim 1 it is characterised in that described mast be located plane with
Side on the width of described wave guide box is parallel or vertical.
7. the driver for micro-wave oven according to any one of claim 1-6 is it is characterised in that described mast is in
U-shaped, described mast includes：
First paragraph, described first paragraph is connected with described coaxial connector；
Second segment, described second segment is connected with the roof of described cavity；And
Linkage section, described linkage section is connected between described first paragraph and described second segment so that described mast, described coaxial
The roof and wall structure of connector and described cavity becomes single closed loop configuration.
8. the driver for micro-wave oven according to claim 7 is it is characterised in that described connection segment length is m, described
The width of wave guide box is a, and a/12≤m≤a/6.
9. the driver for micro-wave oven according to any one of claim 1-6 is it is characterised in that described mast is in
E shape, and described mast includes：
First paragraph, described first paragraph is connected with described coaxial connector；
Second segment and the 3rd section, described second segment and described 3rd section are all connected with the roof of described cavity；
Linkage section, described linkage section is connected to described first paragraph, described second segment, described 3rd section the same side so that described sky
Line bar becomes double circle structure with the roof and wall structure of described coaxial connector, described cavity.
10. the driver for micro-wave oven according to claim 9 is it is characterised in that described first paragraph is located at described the
Between two sections and described 3rd section, and the distance between described first paragraph and described second segment and described first paragraph and the described 3rd
The distance between section is equal.
11. drivers for micro-wave oven according to claim 9 it is characterised in that described linkage section length be m,
The width of described wave guide box is a, and a/6≤m≤a/3.
12. drivers for micro-wave oven according to claim 1 are it is characterised in that described mast is provided with least
One free end, in described free end is extended and be generally aligned in the same plane with described mast by described mast.
A kind of 13. micro-wave ovens are it is characterised in that include：
Casing, described casing has heating chamber；
In order to produce the microwave generator of microwave；And
Driver according to any one of claim 1-12, described driver is connected with described microwave generator, described
The open end of wave guide box is connected with described heating chamber, the described microwave transmission extremely described heating that described microwave generator is produced
In chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648095.8A CN104373971B (en) | 2014-11-13 | 2014-11-13 | Microwave oven and exciter for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648095.8A CN104373971B (en) | 2014-11-13 | 2014-11-13 | Microwave oven and exciter for microwave oven |
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| Publication Number | Publication Date |
|---|---|
| CN104373971A CN104373971A (en) | 2015-02-25 |
| CN104373971B true CN104373971B (en) | 2017-02-22 |
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| CN201410648095.8A Active CN104373971B (en) | 2014-11-13 | 2014-11-13 | Microwave oven and exciter for microwave oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430786A (en) * | 2015-12-22 | 2016-03-23 | 广东美的厨房电器制造有限公司 | Microwave heating equipment |
| US20220086971A1 (en) * | 2019-02-13 | 2022-03-17 | Panasonic Intellectual Property Management Co., Ltd. | High-frequency heating apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3366769A (en) * | 1964-12-11 | 1968-01-30 | Philips Corp | High frequency heating apparatus |
| JP3600094B2 (en) * | 1999-12-07 | 2004-12-08 | 三洋電機株式会社 | microwave |
| CN2624085Y (en) * | 2003-05-31 | 2004-07-07 | 海尔集团公司 | Three-dimensional double source microwave oven |
| CN203757795U (en) * | 2014-03-20 | 2014-08-06 | 广东美的厨房电器制造有限公司 | Microwave oven and semiconductor microwave generator connection structure thereof |
| CN204313328U (en) * | 2014-11-13 | 2015-05-06 | 广东美的厨房电器制造有限公司 | Micro-wave oven and the driver for micro-wave oven |
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