CN104373971A - Microwave oven and exciter for microwave oven - Google Patents

Microwave oven and exciter for microwave oven Download PDF

Info

Publication number
CN104373971A
CN104373971A CN201410648095.8A CN201410648095A CN104373971A CN 104373971 A CN104373971 A CN 104373971A CN 201410648095 A CN201410648095 A CN 201410648095A CN 104373971 A CN104373971 A CN 104373971A
Authority
CN
China
Prior art keywords
guide box
mast
wave guide
microwave
micro
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410648095.8A
Other languages
Chinese (zh)
Other versions
CN104373971B (en
Inventor
张斐娜
唐相伟
黎晓云
傅文杰
刘民勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201410648095.8A priority Critical patent/CN104373971B/en
Publication of CN104373971A publication Critical patent/CN104373971A/en
Application granted granted Critical
Publication of CN104373971B publication Critical patent/CN104373971B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/72Radiators or antennas

Landscapes

  • Physics & Mathematics (AREA)
  • 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

Micro-wave oven and the driver for micro-wave oven
Technical field
The present invention relates to micro-wave oven technical field, particularly a kind of micro-wave oven and the driver for micro-wave oven.
Background technology
At present, the driver that micro-wave oven mainly adopts is the structure directly probe or antenna being inserted rectangular waveguide box, and the driver of this structure effectively can not suppress microwave power reflection, have impact on the efficiency of transmission of driver.And easily damage semiconductor microactuator wave source when this structure being applied on semiconductor microwave oven.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of driver for micro-wave oven, and the described driver for micro-wave oven has the advantage that efficiency of transmission is high, reflection power is little, irradiated with microwave radiation scope is wide.
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 comprises the microwave generator for generation of microwave, described driver comprises: wave guide box, in described wave guide box, there is cavity, along the open at one end of described cavity on the length direction of described wave guide box and the other end close; Coaxial connector, described coaxial connector is positioned at 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 connected to be configured at least one closed loop configuration with described coaxial connector, described wave guide box.
According to the driver for micro-wave oven of the present invention, at least one closed loop configuration is jointly configured to by utilizing mast, coaxial connector and wave guide box, efficiency of transmission between the microwave that microwave generator is produced and cavity is higher, not only be conducive to design debug, microwave can also be made in conductive process to be converted to waveguide by propagating co-axial propagate, and then reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
According to one embodiment of present invention, the roof of described wave guide box is provided with through hole, the central point of described through hole is positioned on the vertical median plane extended along its length of described wave guide box, and described coaxial connector is connected in described through hole.
According to one embodiment of present invention, the vertical range of the central point of described through hole and the blind end of described wave guide box is L, L=1/4 λ * n, and wherein n is 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 greater than the height of described wave guide box.
Further, the width of described wave guide box is a and meets 60≤a≤100mm, and the height of described wave guide box is b and meets 30≤b≤50mm.
Preferably, the side on the plane at described mast place and the width of described wave guide box is parallel or vertical.
According to some embodiments of the present invention, described mast takes the shape of the letter U, and described mast comprises: first paragraph, and 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 to make the roof and wall structure of described mast, described coaxial connector and described cavity become single closed loop configuration.
Preferably, described linkage section 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 E shape, and described mast comprises: first paragraph, and described first paragraph is connected with described coaxial connector; Second segment and the 3rd section, described second segment is all connected with the roof of described cavity with described 3rd section; Linkage section, described linkage section is connected to described first paragraph, described second segment, the same side of described 3rd section become double circle structure to make described mast with the roof and wall structure of described coaxial connector, described cavity.
Preferably, described first paragraph is between described second segment and described 3rd section, and distance between described first paragraph and described second segment is 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 at least one free end, and described free end is extended by described mast and is positioned at same plane with described mast.
Provide a kind of micro-wave oven according to a further aspect in the invention, comprising: casing, described casing has heating chamber; In order to produce the microwave generator of microwave; And driver as above, described driver is connected with described microwave generator, and the described open end of described wave guide box is communicated with described heating chamber, with in the described microwave transmission produced by described microwave generator to described heating chamber.
According to micro-wave oven of the present invention, at least one closed loop configuration is jointly configured to by utilizing mast, coaxial connector and wave guide box, efficiency of transmission between the microwave that microwave generator is produced and cavity is higher, not only be conducive to design debug, microwave can also be made in conductive process to be converted to waveguide by propagating co-axial propagate, and then reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
Accompanying drawing explanation
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 of the driver for micro-wave oven according to different embodiments of the invention;
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 numeral:
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.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The driver 100 for micro-wave oven 200 according to the embodiment of the present invention is described in detail referring to Fig. 1-Fig. 7.It should be noted that, micro-wave oven 200 can comprise the microwave generator 220 for generation of microwave, and microwave generator 220 is connected with driver 100.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, according to the driver 100 for micro-wave oven 200 of the embodiment of the present invention, comprising: wave guide box 110, coaxial connector 120 and mast 130.
Specifically, as depicted in figs. 1 and 2, there is in wave guide box 110 cavity 111, along the open at one end of the length direction upper cavity 111 of wave guide box 110 and the other end close.Here length direction refers to left and right directions as shown in Figure 1, and that is, the right-hand member of wave guide box 110 can be open end 112, and left end can be blind end 113.Mast 130 to be located in cavity 111 and to be communicated with coaxial connector 120.Coaxial connector 120 is positioned at cavity 111 and upper end is connected with the roof 114 of wave guide box 110.Here " upper end " refers to one end of (top as shown in Figure 1) upward of coaxial connector 120.Be not specifically limited for the connected mode between coaxial connector 120 and wave guide box 110, such as, coaxial connector 120 can directly be welded 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 to be configured at least one closed loop configuration with coaxial connector 120, wave guide box 110.Here " closed loop configuration " can refer to the loop configuration closed.Such as, in example as shown in Figure 3, mast 130, coaxial connector 120 are connected with the roof 114 of wave guide box 110 respectively, and mast 130 is connected the loop configuration that is configured to close with coaxial connector 120.
Probe or antenna directly insert in wave guide box by traditional driver, and part microwave will produce microwave power reflection in the process propagated, and thus reduces the efficiency of transmission of microwave.Meanwhile, when being applied on semiconductor microwave oven by the driver of this structure, easily damage is caused to the microwave source of micro-wave oven.Compared with correlation technique, according to the driver 100 for micro-wave oven 200 of the embodiment of the present invention, at least one closed loop configuration is jointly configured to by utilizing mast 130, coaxial connector 120 and wave guide box 110, efficiency of transmission between the microwave that microwave generator 220 is produced and cavity 111 is higher, not only be conducive to design debug, microwave can also be made in conductive process to be converted to waveguide by propagating co-axial propagate, and then reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
According to the driver for micro-wave oven of the embodiment of the present invention, at least one closed loop configuration is jointly configured to by utilizing mast 130, coaxial connector 120 and wave guide box 110, efficiency of transmission between the microwave that microwave generator 220 is produced and cavity 111 is higher, not only be conducive to design debug, microwave can also be made in conductive process to be converted to waveguide by propagating co-axial propagate, 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, and the central point of through hole 115 is positioned on the vertical median plane 116 extended along its length of wave guide box 110, and coaxial connector 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 the center line that (left and right directions as shown in Figure 2) in left-right direction of cavity 111 roof 114 extends and the plane vertical with the roof 114 of cavity 111.Thus, the radiation scope of microwave can be improved further, improve the efficiency of transmission of microwave.As shown in Figure 2, the vertical range of the central point of through hole 115 and the blind end 113 of wave guide box 110 is L, then L=1/4 λ * n, and wherein, n is positive integer, and λ is the wavelength of microwave.Thus, the efficiency of transmission of microwave can be improved further.
As shown in Figure 2, coaxial connector 120 can comprise: inner wire 121 and outer conductor 122.Particularly, inner wire 121 is positioned at cavity 111 and its upper end is stretched out by through hole 115.Such as, in example as shown in Figure 3, the upper end of inner wire 121 is extend out to the outside of wave guide box 110 by through hole 115, lower end is positioned at cavity 111 and is communicated with mast 130.Be set in outside the upper end of inner wire 121 above the roof 114 that outer conductor 122 is positioned at wave guide box 110.Alternatively, outer conductor 122 can weld with roof 114, also can pass through ring flange (scheming not shown) and be connected with roof 114.Be understandable that, by coaxial connector 120, microwave generator 220 is communicated with mast 130, make the transmission means of microwave be converted to waveguide type circulation way by coaxial-type circulation way, thereby reduce the reflection power of microwave in communication process, improve 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, and the width of wave guide box 110 is greater than the height of wave guide box 110.Here, the width of wave guide box 110 refers to the length of wave guide box 110 on fore-and-aft direction (fore-and-aft direction as shown in Figure 1), and the height of wave guide box 110 refers to the length of wave guide box 110 on above-below direction (above-below direction as shown in Figure 1).That is, in example as shown in Figure 1, the width of wave guide box 110 is a, and the height of wave guide box 110 is b, then a > b.Preferably, the width of wave guide box 110 is 60mm-100mm, i.e. 60mm≤a≤100mm; The height of wave guide box 110 is 30mm-50mm, i.e. 30mm≤b≤50mm.Certainly, the shape of wave guide box 110 is not limited to this, such as, according to one embodiment of present invention, wave guide box 110 can also be formed as wedge-shaped waveguide box 110, and the cross-sectional area in the longitudinal direction of wedge-shaped waveguide box 110 is increased gradually by blind end 113 to open end 112.
As shown in Figure 6 and Figure 7, mast 130 is provided with at least one free end 134, and free end 134 is extended by mast 130 and is positioned at same plane with mast 130.Thus, the radiation scope of microwave can be expanded further, reduce reflection power, improve the efficiency of transmission of microwave.
Be understandable that, particular determination is not done for the position relationship between the side in the plane at mast 130 place and the width of wave guide box 110, such as, the size of the angle between the side on the plane at mast 130 place and the width of wave guide box 110 can be determined according to the wavelength of the structure of driver 100, micro-wave frequency or microwave.Such as, the side on the plane at mast 130 place and the width of wave guide box 110 is parallel or vertical.Here " side on the width of wave guide box 110 " refers in the perpendicular extended along the vertical direction, the plane parallel with the fore-and-aft direction (fore-and-aft direction as shown in Figure 1) of wave guide box 110.In example as shown in Figure 1, the plane at open end 112 place of wave guide box 110 is a side on the width of wave guide box 110, and the plane at mast 130 place can be parallel or vertical with the plane at open end 112 place.Thus, be not only conducive to design debug, also reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
Mast 130 shape according to the driver 100 for micro-wave oven 200 of the present invention is described in detail referring to several different embodiment.It should be noted that, in embodiment 1 and embodiment 2, mast 130 is connected to be configured to single closed loop configuration with coaxial connector 120, wave guide box 110; In embodiment 3, mast 130 is connected to be configured to double circle structure with coaxial connector 120, wave guide box 110; In example 4, mast 130 is connected with coaxial connector 120, wave guide box 110 to be configured to a closed loop configuration, and mast 130 has a free end 134; In example 4, mast 130 is connected with coaxial connector 120, wave guide box 110 to be configured to two closed loop configuration, and mast 130 has two free ends 134.Be worth understanding, the following example is exemplary illustration, instead of to concrete restriction of 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 comprises: first paragraph 131, second segment 132 and linkage section 135.Wherein, the first paragraph 131 of mast 130 is connected with coaxial connector 120, the second segment 132 of mast 130 is connected with the roof 114 of cavity 111, and linkage section 135 is connected with first paragraph 131 and second segment 132 to make mast 130 be configured to single closed loop configuration with the roof 114 of coaxial connector 120, cavity 111.As shown in Figure 3, the portion top wall 114 of first paragraph 131, linkage section 135, second segment 132, cavity 111 and coaxial connector 120 are configured to the loop configuration closed jointly.The plane at mast 130 place is parallel with the side on the width of wave guide box 110.Thus, be not only conducive to design debug, also reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
For the efficiency of transmission reducing reflection power further, expand the radiation scope of microwave, improve 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 and second segment 132 are parallel to each other, linkage section 135 is vertically connected between first paragraph 131 and second segment 132 and linkage section 135 is connected to one end of (below as shown in Figure 3) downward of first paragraph 131 and second segment 132, and the distance between first paragraph 131 and second segment 132 is the length m of linkage section 135.
Embodiment 2
As shown in Figure 4, as different from Example 1, in this embodiment, the lateral vertical on the plane at mast 130 place and the width of wave guide box 110.Thus, be not only conducive to design debug, also reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
Embodiment 3
As shown in Figure 5, in this embodiment, mast 130 can be E shape, and mast 130 comprises: 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, to be connected with the roof 114 of cavity 111 respectively for the 3rd section 133, linkage section 135 is connected to first paragraph 131, second segment 132, the same side of the 3rd section 133, is configured to double circle structure to make mast 130 with the roof 114 of coaxial connector 120, cavity 111.Such as, as shown in Figure 5, the portion top wall 114 of the second segment 132 of mast 130, part linkage section 135, first paragraph 131, coaxial connector 120 and cavity 111 is configured to a closed loop configuration in double circle structure jointly; The 3rd section 133 of mast 130, part linkage section 135, first paragraph 131, coaxial connector 120 and cavity 111 portion top wall 114 be jointly configured in double circle structure another closed loop configuration.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 between second segment 132 and the 3rd section 133, and distance between first paragraph 131 and second segment 132 is equal with the distance between first paragraph 131 and the 3rd section 133.Thus, be not only conducive to design debug, 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.Such as, 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 is vertically connected on one end downward of first paragraph 131, second segment 132 and the 3rd section 133, and the distance between second segment 132 and the 3rd section 133 is the length m of linkage section 135.
Certainly, the size of the angle between the side on the plane at E shape mast place and the width of wave guide box 110 can also be determined according to factors such as the wavelength of the structure of driver 100, micro-wave frequency or microwave, as long as its radiation scope that can expand microwave, the efficiency of transmission reducing reflection power, improve microwave, the plane at such as E shape mast place can be parallel with the side on the width of wave guide box 110, also can with the lateral vertical on the width of wave guide box 110.
Embodiment 4
As shown in Figure 6, in this embodiment, mast 130 is provided with a free end 134, and free end 134 is extended by mast 130 and is positioned at same plane with mast 130.Such as, as shown in Figure 6, free end 134 is extended by one end of the linkage section 135 of mast 130, and in this embodiment, mast 130 is roughly in F shape.Thus, be not only conducive to design debug, also expand the radiation scope of microwave, reduce reflection power, improve the efficiency of transmission of microwave.
Embodiment 5
As shown in Figure 7, in this embodiment, mast 130 is provided with two free ends, 134, two free ends 134 and extends by mast 130 and be positioned at same plane with mast 130.Such as, as shown in Figure 7, one in two free ends 134 is extended towards left direction by the left end of linkage section 135, and another free end is extended towards right direction by the right-hand member of linkage section 135.Thus, be not only conducive to design debug, also expand the radiation scope of microwave, reduce reflection power, improve the efficiency of transmission of microwave.
8 the micro-wave oven 200 according to the embodiment of the present invention is described with reference to the accompanying drawings.
As shown in Figure 8, according to the micro-wave oven 200 of the embodiment of the present invention, comprising: casing 210, microwave generator 220 and driver 100.Wherein, casing 210 has heating chamber (scheming not shown), and food to be heated can be placed in heating chamber.Driver 100 is connected with microwave generator 220, and the open end 112 of the wave guide box 110 of driver 100 is communicated with heating chamber, with the microwave transmission produced by microwave generator 220 in heating chamber.
According to the micro-wave oven 200 of the embodiment of the present invention, at least one closed loop configuration is jointly configured to by utilizing mast 130, coaxial connector 120 and wave guide box 110, efficiency of transmission between the microwave that microwave generator 220 is produced and cavity 111 is higher, not only be conducive to design debug, microwave can also be made in conductive process to be converted to waveguide by propagating co-axial propagate, and then reduce reflection power, expand the radiation scope of microwave, improve the efficiency of transmission of microwave.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.

Claims (13)

1. for a driver for micro-wave oven, described micro-wave oven comprises the microwave generator for generation of microwave, it is characterized in that, described driver comprises:
Wave guide box, has cavity in described wave guide box, along the open at one end of described cavity on the length direction of described wave guide box and the other end close;
Coaxial connector, described coaxial connector is positioned at 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 connected to be configured at least one closed loop configuration with described coaxial connector, described wave guide box.
2. the driver for micro-wave oven according to claim 1, it is characterized in that, the roof of described wave guide box is provided with through hole, and the central point of described through hole is positioned on the vertical median plane extended along its length of described wave guide box, and described coaxial connector is connected in described through hole.
3. the driver for micro-wave oven according to claim 2, is characterized in that, the vertical range of the central point of described through hole and the blind end of described wave guide box is L, L=1/4 λ * n, and wherein n is positive integer, and λ is the wavelength of described microwave.
4. the driver for micro-wave oven according to claim 1, is characterized in that, described Waveguide box-shape becomes rectangular shape, and the width of described wave guide box is greater than the height of described wave guide box.
5. the driver for micro-wave oven according to claim 4, is characterized in that, the width of described wave guide box is a and meets 60≤a≤100mm, and 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, is characterized in that, the plane at described mast place is parallel or vertical with the side on the width of described wave guide box.
7. the driver for micro-wave oven according to any one of claim 1-6, it is characterized in that, described mast takes the shape of the letter U, described mast comprises:
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 to make the roof and wall structure of described mast, described coaxial connector and described cavity become single closed loop configuration.
8. the driver for micro-wave oven according to claim 7, is characterized in that, described linkage section length is m, and the width of described 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 characterized in that, described mast is E shape, and described mast comprises:
First paragraph, described first paragraph is connected with described coaxial connector;
Second segment and the 3rd section, described second segment is all connected with the roof of described cavity with described 3rd section;
Linkage section, described linkage section is connected to described first paragraph, described second segment, the same side of described 3rd section become double circle structure to make described mast with the roof and wall structure of described coaxial connector, described cavity.
10. the driver for micro-wave oven according to claim 9, it is characterized in that, described first paragraph is between described second segment and described 3rd section, and distance between described first paragraph and described second segment is equal with the distance between described first paragraph and described 3rd section.
11. drivers for micro-wave oven according to claim 9, is characterized in that, the length of described linkage section is m, and the width of described wave guide box is a, and a/6≤m≤a/3.
12. drivers for micro-wave oven according to any one of claim 1-11, it is characterized in that, described mast is provided with at least one free end, and described free end is extended by described mast and is positioned at same plane with described mast.
13. 1 kinds of micro-wave ovens, is characterized in that, comprising:
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, and the described open end of described wave guide box is communicated with described heating chamber, with in the described microwave transmission produced by described microwave generator to described heating chamber.
CN201410648095.8A 2014-11-13 2014-11-13 Microwave oven and exciter for microwave oven Active CN104373971B (en)

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

Publications (2)

Publication Number Publication Date
CN104373971A true CN104373971A (en) 2015-02-25
CN104373971B CN104373971B (en) 2017-02-22

Family

ID=52553040

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410648095.8A Active CN104373971B (en) 2014-11-13 2014-11-13 Microwave oven and exciter for microwave oven

Country Status (1)

Country Link
CN (1) CN104373971B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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
WO2020166410A1 (en) * 2019-02-13 2020-08-20 パナソニックIpマネジメント株式会社 High-frequency heating apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6515845A (en) * 1964-12-11 1966-06-13
CN1300919A (en) * 1999-12-07 2001-06-27 三洋电机株式会社 Microwave oven
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6515845A (en) * 1964-12-11 1966-06-13
CN1300919A (en) * 1999-12-07 2001-06-27 三洋电机株式会社 Microwave oven
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

Cited By (5)

* Cited by examiner, † Cited by third party
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
WO2020166410A1 (en) * 2019-02-13 2020-08-20 パナソニックIpマネジメント株式会社 High-frequency heating apparatus
CN113330822A (en) * 2019-02-13 2021-08-31 松下知识产权经营株式会社 High-frequency heating device
JPWO2020166410A1 (en) * 2019-02-13 2021-12-09 パナソニックIpマネジメント株式会社 High frequency heating device
JP7329736B2 (en) 2019-02-13 2023-08-21 パナソニックIpマネジメント株式会社 High frequency heating device

Also Published As

Publication number Publication date
CN104373971B (en) 2017-02-22

Similar Documents

Publication Publication Date Title
CN104676675A (en) Microwave oven and exciter for microwave oven
CN204332695U (en) For the film capacitor of electric automobile
CN204313328U (en) Micro-wave oven and the driver for micro-wave oven
CN101944658A (en) Dielectric antenna
CN107425237B (en) Rectangular waveguide TE10Mode-to-circular waveguide TE21Mode exciter for a mode
CN103117442A (en) Ridge waveguide directional coupler
US20140253403A1 (en) Low Profile Double-Ridged Horn Antenna For Mobile Communications
CN201749954U (en) Feedforward parabolic antenna feed system
CN103956568B (en) A kind of box shape fan-shaped beam antenna
JP4453696B2 (en) Waveguide-high frequency line converter and wireless communication device
KR20170113298A (en) Microstrip-waveguide transition and method for transmitting electromagnetic signals
CN105098298B (en) A kind of phase shifter, antenna
CN104373971A (en) Microwave oven and exciter for microwave oven
CN104538271B (en) Comb line slow wave structure working on high-order pass band
KR102125949B1 (en) Horn antenna apparatus
CN104332712B (en) Present broadband and wide wave beam ridged horn in a kind of end
CN102255144A (en) Radiating unit, radiating array and machining forming method
CN112072250A (en) Terahertz waveguide-coaxial conversion structure based on waveguide narrow-wall crank arm coaxial probe
CN202333107U (en) Ridge waveguide directional coupler
CN102315507B (en) High-power waveguide directional coupler
CN105491702B (en) Antenna and micro-wave oven for microwave heating equipment
CN109473772B (en) Dual polarized ultra wideband antenna
JP2010166226A (en) Tm01 mode coupler
CN203163007U (en) Microwave oven
CN103094672A (en) Antenna

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant