CN103975412B - Magnetron and device using microwaves - Google Patents
Magnetron and device using microwaves Download PDFInfo
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- CN103975412B CN103975412B CN201280059927.1A CN201280059927A CN103975412B CN 103975412 B CN103975412 B CN 103975412B CN 201280059927 A CN201280059927 A CN 201280059927A CN 103975412 B CN103975412 B CN 103975412B
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- yoke
- wave guide
- guide unit
- magnetron
- tongue part
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/12—Vessels; Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
- H01J23/40—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
- H01J25/587—Multi-cavity magnetrons
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Abstract
Magnetron 1 is provided with：Anodal barrel (112) with high frequency waves output unit (111), be arranged on anodal barrel two ends permanent magnet (122) and internally accommodate the yoke (121) of anodal barrel and permanent magnet.The high frequency waves outlet side of yoke is provided with multiple and cuts tongue part (1213), and meet high frequency waves output unit and cut the metallic plate (125) of tongue portion between permanent magnet and yoke, anodal barrel and yoke thereby interfix.The high frequency waves output unit of magnetron is firmly fixed therefore, it is possible to the waveguide elements relative to yoke, device using microwaves etc., without complicating structure and assemble method.
Description
Technical field
The present invention relates to the magnetron for being suitable for being used in the microwave oscillation equipment of such as device using microwaves.
Background technology
Magnetron is roughly divided into inner vacuum tube member and external component.Inner vacuum tube member is set including its inner wall surface
Have the anodal barrel of the multiple blades for radially extending, with the defeated of the cathode construction being arranged on the central shaft of anodal barrel
Enter unit and high frequency waves output unit.External component includes permanent magnet, constitutes the yoke and cooling unit of magnetic circuit.
In the presence of the various methods for coming positioning vacuum duct member and external component relative to each other.For example, such as Figure 10 institutes
Show, in the magnetron disclosed in patent document 1, cyclic rib 31 is from the first yoke 3 for being disposed in high frequency waves outlet side
Inner surface is protruded.As shown in Figure 9, location-plate 4 is sandwiched between the first yoke 3 and permanent magnet 122, the external diameter of location-plate 4 with
The internal diameter of cyclic rib 31 is matched so that location-plate 4 is just assemblied in cyclic rib 3, and location-plate 4 internal diameter and height
The external diameter of frequency ripple output unit is matched so that location-plate 4 is just arranged on high frequency waves output unit.Inner vacuum tube member and outer
Location-plate 4 (is assembled in cyclic rib 31 and assembles high frequency waves and exported by portion's part by being inserted in the location-plate 4 of between which
Unit 111) and be positioned relative to each other and interfix.
As shown in Figure 9, in patent document 1, cooling unit has a helical structure and location-plate have baffle plate 41 with
Just cooling airflow is hindered through invalid ventilating duct.
Relevant technical literature
Patent document
Patent document 1：JP-A-S59-81834
The content of the invention
Technical problem
However, in above-mentioned conventional configuration, because the yoke is formed with rib, the projecting height of rib has limitation, and
Even and if assembling is also possible in the state of location-plate 4 is not assembled in cyclic rib 31.
Additionally, having the structure of baffle plate 41 using location-plate 4, there is directionality in assembling.As a result, assembling is complicated
And the possibility that location-plate 4 rises on cyclic rib 31 is high.
Further, the rib being formed on yoke only has the positioning by being inserted in the middle of inner vacuum tube member and external component
Plate 4 and be positioned relative to each other inner vacuum tube member and external component and come and fixed function；Do not consider to be utilized relative to microwave
Wave guide unit of equipment etc. is positioned.
Therefore, in the case of using only common attachment screw, magnetron becomes relative to the position of Wave guide unit
Change, so as to produce the problem that electric discharge is likely to occur between high frequency waves output unit and Wave guide unit.
The present invention is made that for above-mentioned situation, and it is single it is an object of the invention to provide a kind of output of magnetron high frequency waves
Unit, it can reliably position relative to Wave guide unit of its yoke and device using microwaves etc. and be fixed to its yoke and micro-
Wave guide unit of Pohle equipment etc., without complicating its structure and assemble method.
Technological means
In order to solve the above mentioned problem in correlation technique, the present invention provides a kind of magnetron, and it includes：It is defeated including high frequency waves
Go out the anodal barrel of unit；It is arranged in two permanent magnets of opposite side of anodal barrel；And internally accommodate the sun
The yoke of pole cylinder and the permanent magnet, wherein, the part positioned at high frequency waves outlet side of yoke is formed with multiple and cuts tongue
Part, and with high frequency waves output unit and cut that the metallic plate that tongue part matches is sandwiched in permanent magnet one and yoke it
Between, thus anodal barrel and yoke are located opposite to each other and are fixed.
Using this configuration, the high frequency waves output unit of magnetron can be relative to the waveguide of yoke and device using microwaves
Unit is reliably positioned, without complicating its structure or assemble method.
In above-mentioned magnetron, the Wave guide unit of the attachment magnetron of device using microwaves is formed with cuts tongue part, described
Cut tongue part and matched by the hole that tongue part formed of cutting in yoke, and the tongue part of cutting of Wave guide unit is assembled in yoke
Hole in, thus yoke and Wave guide unit are located opposite to each other and fix.
In above-mentioned magnetron, the Wave guide unit of the attachment magnetron of device using microwaves is formed with protuberance, described prominent
Go out portion to match with the hole for cutting the formation of tongue part in yoke, and the protuberance of Wave guide unit is assembled in the hole of yoke,
Thus yoke and Wave guide unit are located opposite to each other and fix.
In above-mentioned magnetron, the Wave guide unit of the attachment magnetron of device using microwaves is formed with hole, the hole and magnetic
The tongue part of cutting of yoke matches, and the tongue part of cutting of yoke is assembled in the hole of Wave guide unit, thus yoke and waveguide list
Unit is located opposite to each other and fixes.
Using said structure, it is free to set the height of cutting tongue part and therefore, it is possible to suppress positioning metal plate
Deviation.
Because form it is the multiple cut tongue part, positioning metal plate need not have directionality and be endowed profit
In the simple structure of assembling.
Because the tongue part of cutting being formed in yoke is assembled in the corresponding hole being formed in Wave guide unit or cuts
Tongue part or the protuberance being formed in the Wave guide unit of device using microwaves are assembled in cuts tongue part institute shape by yoke
Into corresponding hole in structure, thus yoke and Wave guide unit are located opposite to each other and fix.As a result, high frequency output unit and
Wave guide unit is located opposite to each other and fixes, thus, it is possible to suppress the electric discharge between high frequency output unit and Wave guide unit.
The present invention also provides a kind of magnetron, and it includes：Anodal barrel including high frequency waves output unit；It is arranged in
Two permanent magnets of opposite side of anodal barrel；And the yoke of anodal barrel and permanent magnet is internally accommodated, wherein, yoke
Multiple holes are formed with positioned at a part for high frequency waves outlet side, the metallic plate matched with high frequency waves output unit and hole is sandwiched in
One in permanent magnet is and yoke between, and locating rod is inserted into corresponding hole, thus anodal barrel and yoke phase each other
To positioning and fixing.
In above-mentioned magnetron, the Wave guide unit of the attachment magnetron of device using microwaves is formed with hole, the hole and magnetic
The respective aperture of yoke matches, and yoke and Wave guide unit are located opposite to each other and are fixed by locating rod.
Using said structure, it is free to set locating rod and therefore, it is possible to suppress between positioning metal plate and yoke
Deviation.
Because locating rod is inserted into corresponding hole, positioning metal plate need not have directionality and having been assigned to be beneficial to
The simple structure of assembling.
Metallic plate, yoke and Wave guide unit are located opposite to each other and are fixed by locating rod.As a result, high frequency output list
Unit and Wave guide unit are located opposite to each other and fix, thus, it is possible to suppress the electric discharge between high frequency output unit and Wave guide unit.
Device using microwaves, device using microwaves are applied to it is possible thereby in performance side by by magnetron described above
Face is more stable and is strengthened.
Beneficial effect
Magnetron of the invention and device using microwaves make it possible to be utilized relative to the yoke and microwave of magnetron
Wave guide unit of equipment etc. reliably position the high frequency waves output unit of magnetron and be fixed to magnetron yoke and
Wave guide unit of device using microwaves etc., without complicating their structure and assemble method.
Brief description of the drawings
Fig. 1 is the front view of magnetron according to the first embodiment of the invention.
Fig. 2 is the yoke of magnetron according to the first embodiment of the invention and the stereogram of metallic plate.
Fig. 3 is the partial section view of the magnetron with Wave guide unit according to the first embodiment of the invention.
Fig. 4 is the stereogram of the yoke of magnetron second embodiment of the invention.
Fig. 5 is the partial section view of the magnetron with Wave guide unit second embodiment of the invention.
Fig. 6 is the front view of the magnetron of the 3rd implementation method of the invention.
Fig. 7 is the stereogram of the bar of the magnetron of the 3rd implementation method of the invention.
Fig. 8 is the partial section view of the magnetron with Wave guide unit of the 3rd implementation method of the invention.
Fig. 9 is the front view of conventional magnetron.
Figure 10 is the yoke of conventional magnetron and the stereogram of location-plate.
Specific embodiment
First invention provides a kind of magnetron, and it includes：Anodal barrel including high frequency waves output unit；It is arranged in
Two permanent magnets of opposite side of anodal barrel；And the yoke of anodal barrel and permanent magnet is internally accommodated, wherein, yoke
Be formed with multiple positioned at a part for high frequency waves outlet side and cut tongue part, and with high frequency waves output unit and cut tongue part phase
The metallic plate matched somebody with somebody is sandwiched in permanent magnet and yoke between, and thus anodal barrel and yoke are located opposite to each other and consolidate
It is fixed.Using this configuration, the high frequency waves output unit of magnetron can be relative to yoke and the Wave guide unit of device using microwaves
The Wave guide unit of yoke and device using microwaves is reliably positioned and is fixed to, without making its structure and assemble method complicated
Change, and simple structure is conducive to assembling.
Second invention provides the magnetron of first invention, especially, wherein, device using microwaves are attached magnetron
Wave guide unit be formed with and cut tongue part, it is described to cut tongue part and matched by the hole that tongue part formed of cutting in yoke, and
And the tongue part of cutting of Wave guide unit is assembled in the hole of yoke, thus yoke and Wave guide unit are located opposite to each other and fix.
Using this configuration, the change of the relative position of high frequency waves output unit and Wave guide unit can be suppressed, and can suppress high
The appearance of the electric discharge between frequency ripple output unit and Wave guide unit.
3rd invention provides the magnetron of the first invention, especially, wherein, the ripple of the attachment magnetron of device using microwaves
Lead unit and be formed with protuberance, the protuberance and matched by the hole that tongue part formed of cutting in yoke, and waveguide list
The protuberance of unit is assembled in the hole of yoke, and thus yoke and Wave guide unit are located opposite to each other and fix.Matched somebody with somebody using this
Put, the change of the relative position of high frequency waves output unit and Wave guide unit can be suppressed, and it is single to suppress high frequency waves output
The appearance of the electric discharge between unit and Wave guide unit.
4th invention provides the magnetron of the first invention, especially, wherein, device using microwaves are attached magnetron
Wave guide unit is formed with hole, and the tongue part of cutting of the hole and yoke matches, and the tongue part of cutting of yoke is assembled in waveguide
In the hole of unit, thus yoke and Wave guide unit are located opposite to each other and fix.Using this configuration, high frequency waves can be suppressed defeated
The change gone out in the relative position of unit and Wave guide unit, and can suppress between high frequency waves output unit and Wave guide unit
The appearance of electric discharge.
5th invention provides magnetron, and it includes：Anodal barrel including high frequency waves output unit；It is arranged in anode
Two permanent magnets of opposite side of cylinder；And internally accommodate the yoke of anodal barrel and permanent magnet, wherein, yoke is located at
A part for high frequency waves outlet side forms multiple holes, and the metallic plate matched with high frequency waves output unit and the hole is sandwiched in forever
One in magnet is and yoke between, and locating rod is inserted into corresponding hole, and thus anodal barrel and yoke are relative to each other
Position and fix.Using this configuration, the high frequency waves output unit of magnetron can be relative to yoke and device using microwaves
Wave guide unit is reliably positioned and is fixed to yoke and the Wave guide unit of device using microwaves, without making its structure and assembling side
Method is complicated, and simple structure is conducive to.
6th invention provides the magnetron of the 5th invention, especially, wherein, device using microwaves are attached magnetron
Wave guide unit is formed with hole, and the corresponding hole of the hole and yoke matches, and yoke and Wave guide unit are by locating rod
It is located opposite to each other and fixes.Using this configuration, in can suppressing the relative position of high frequency waves output unit and Wave guide unit
Change, and the appearance of electric discharge between high frequency waves output unit and Wave guide unit can be suppressed.
7th invention provides the device using microwaves for including the magnetron of any one in the first to the 6th invention, its
Can be with more stable and strengthened in aspect of performance.
Embodiments of the present invention will be described below with reference to figure.Implementation method is not necessarily to be construed as the limitation present invention.
(implementation method 1)
Fig. 1 is the front view of magnetron according to the first embodiment of the invention.Fig. 2 is of the invention first real
Apply the yoke of the magnetron of mode and the stereogram of metallic plate.
As shown in fig. 1, magnetron 1 includes inner vacuum tube member 11 and external component 12.Inner vacuum tube member 11 includes anode
Cylinder 112, input block (not shown) and high frequency waves output unit 111.External component includes permanent magnet 122, constitutes magnetic circuit
Yoke 121, the cooling unit 123 including multiple cooling fins and the filter unit 124 for being powered to input block.
Yoke 121 includes being arranged in the first yoke 1211 of high frequency waves outlet side and is arranged in the second yoke of filter side
1212, the first yoke 1211 and the second yoke 1212 are connected with each other by calking (caulking).
The thickness of metallic plate 125 is about the 30% of the thickness of yoke 121, and is sandwiched in the yoke of permanent magnet 122 and first
Between 1211.Packing ring 126 is kept and to be prevented from from the leakage of the radio wave of the output of high frequency waves output unit 111.
As shown in Figure 2, the first yoke 1211 is formed with four and cuts tongue part 1213, cuts tongue part 1213 for described four and exists
The height at the invalid ventilation road part of wind with the about thickness three times of yoke 121 is cooled down, to be protruded towards the inner side of yoke
And radially and it is arranged symmetrically so as not to directionality.Tongue part 1213 is cut to be formed to conform exactly to metal
Plate 125, the external diameter of metallic plate 125 is approximately equal to and cuts the diameter of a circle connect in the end face of tongue part 1213.
Metallic plate 125 is formed in this way：Its internal diameter is approximately equal to the high frequency waves output of inner vacuum tube member 11
The external diameter of unit 111 so that metallic plate 125 conforms exactly to high frequency waves output unit 111.
Using said structure, inner vacuum tube member 111 is positioned relative to the first yoke 1211, and wherein metallic plate 125 is inserted
Between the yoke 1211 of inner vacuum tube member 111 and first, because the inboard portion (in radial directions) of metallic plate 125 is provided with
The Outboard Sections (in radial directions) of high frequency waves output unit 111 and metallic plate 125 are assembled in and the first yoke 1211
The end face for cutting tongue (cut and raised) part 1213 in the circle that connects.
Used as each result for cutting tongue part 1213 is formed, the first yoke 1211 has hole 1214.
Fig. 3 is the partial section view of the magnetron with Wave guide unit according to the first embodiment of the invention.
As shown in Figure 3, the part that attach magnetron 1 of Wave guide unit 2 is formed with four and cuts tongue part 21, described
Cut tongue part 21 for four and the corresponding hole 1214 that tongue part 1213 is formed is being cut by the first yoke 1211 for being assembled to
Position at there is the height of the about thickness twice of yoke 121, so as to towards the protruding outside of Wave guide unit 2.Wave guide unit 2
Cut tongue part 21 and be partially fitted in and the corresponding hole 1214 that tongue part 1213 is formed is cut by the first yoke 1211.
Using this structure, magnetron 1 and Wave guide unit 2 are located opposite to each other, and the first yoke 1211 and waveguide list
Unit 2 is fixed to one another by screw.
It is described below how the magnetron for configuring above works.
First, the no directionality of metallic plate 125 of shape video disc and making it possible to realizes simple assembling.Because cutting tongue
The height of part 1213 is substantially greater than the thickness of metallic plate 125, so metallic plate 125 will not rise to cuts tongue part 1213
On.
Because the inner vacuum tube member 11 of magnetron 1 is positioned relative to the first yoke 1211, wherein metallic plate 125 is inserted in
Between the yoke 1211 of inner vacuum tube member 11 and first, it is possible to the change in location of the component involved during assembling is reduced, and
Can suppress deviation when magnetron 1 is through vibrated or impact.
Additionally, because magnetron 1 is positioned relative to Wave guide unit 2 and is fixed to Wave guide unit 2, largely
On can suppress deviation of the high frequency waves output unit 111 relative to Wave guide unit 2, can thereby suppress high frequency waves output unit
The appearance of the electric discharge between 111 and Wave guide unit 2 and can reliably guide radio wave.
Further, it is formed at the invalid ventilation road part of cooling wind because cutting tongue part 1213, they are also
As baffle plate, enabling cooling wind efficiently is applied into cooling fin.
After hitting and cutting tongue part 1213, part cooling airflow via cut hole 1214 that tongue part 1213 formed and
Wave guide unit is flowed into by by the hole 22 that tongue part 21 formed of cutting of Wave guide unit 2, to produce convection current in Wave guide unit
Property air-flow.It is anticipated that the appearance of the electric discharge between high frequency waves output unit 111 and Wave guide unit 2 can further be suppressed.
Preferably, it is arranged symmetrically even number and cuts tongue part with without directionality.However, cutting the quantity of tongue part, chi
Very little, position, shape, direction and angle are at all unrestricted, as long as they make it possible to realize relative to metallic plate and waveguide list
Unit's positioning.
Could be separately formed the positioning for metallic plate cut tongue part and those of positioning for Wave guide unit are cut
Tongue part.
Although preferably make metallic plate that there is such simple structure with without directionality, but metallic plate can just have
There is any structure, as long as it can be positioned relative to yoke.
(implementation method 2)
Fig. 4 is the stereogram of the yoke of magnetron second embodiment of the invention.Fig. 5 is according to identical implementation
The partial section view of the magnetron with Wave guide unit of mode.
As shown in Figure 4, the first yoke 1215 is formed with four first and cuts tongue part 1216, and described four first are cut tongue
Part 1216 has the height of the about thickness three times of yoke so as to towards the inner side of yoke at the invalid ventilation road part of cooling wind
It is prominent and radioactively and be arranged symmetrically so as to no directionality.First cuts tongue part 1216 is formed and conforms exactly to gold
Category plate 125, the diameter of a circle connect in the end face that the external diameter of metallic plate 125 is approximately equal to cut tongue part 1216 with first.
First yoke 1215 is formed with two second and cuts tongue part 1217, and described two second cut tongue part 1217 has about
For the thickness twice of yoke height so as to towards the protruding outside of yoke and by radioactively and be arranged symmetrically so as to without side
Tropism.
Used as each the first result for cutting tongue part 1216 is formed, the first yoke 1215 has hole 1214.
In addition to the first yoke 1215, magnetron is configured according to identical mode in the first embodiment.
Using said structure, inner vacuum tube member 11 is positioned relative to the first yoke 1215, and wherein metallic plate 125 is inserted in very
Between the yoke 1215 of hollow tubular member 11 and first, because the inboard portion (in radial directions) of metallic plate 125 is provided with high frequency
The Outboard Sections (in radial directions) of ripple output unit 111 and metallic plate 125 are assembled in be cut with the first yoke 1215
In the circle connect in the end face of tongue part 1216.
As shown in Figure 5, the part that be attached magnetron 1 of Wave guide unit 2 will meet the corresponding of the first yoke 1215
Second cut and be formed with the position of tongue part 1,217 first hole 23.
Additionally, tongue part is being cut in the part that be attached magnetron 1 of Wave guide unit 2 with by the first of the first yoke 1215
The second hole 24 is formed with the 1216 identical positions of corresponding hole 1214 for being formed.The second of first yoke 1215 cuts tongue part
1217 are partially fitted in corresponding first hole 23 of Wave guide unit 2.
Using this structure, magnetron 1 and Wave guide unit 2 are located opposite to each other, and the first yoke 1215 and waveguide list
Unit 2 is interfixed by screw.
It is described below how the magnetron for configuring above works.
First, the no directionality of metallic plate 125 of shape video disc and making it possible to realizes simple assembling.
Because the thickness of the first height substantially greater than metallic plate 125 for cutting tongue part 1216, metallic plate 125 will not
First is risen to cut on tongue part 1216.
Because the inner vacuum tube member 11 of magnetron 1 is positioned relative to the first yoke 1215, wherein metallic plate 125 is inserted in very
Between the yoke 1215 of blank pipe 11 and first, it is possible to reducing the change in location of the component involved in assembling and in magnetic control
Can suppress deviation when pipe 1 is through vibrated or impact.
Additionally, because magnetron 1 is positioned relative to Wave guide unit 2 and is fixed to Wave guide unit 2, largely
On can suppress deviation of the high frequency waves output unit 111 relative to Wave guide unit 2, can thereby suppress high frequency waves output unit
The appearance of the electric discharge between 111 and Wave guide unit 2 and can reliably guide radio wave.
Further, because first cut tongue part 1216 be formed on cooling wind invalid ventilation road part at, it
Also serve as baffle plate, enabling efficiently will cooling wind be applied to cooling fin.
After hitting first and cutting tongue part 1216, part cooling airflow cuts the hole that tongue part 1216 is formed via first
1214 and Wave guide unit is flowed into by second hole 24 of Wave guide unit 2, to produce convective air flow in Wave guide unit.Cause
This also is expected to further suppress the appearance of the electric discharge between high frequency waves output unit 111 and Wave guide unit 2.
Preferably, it is arranged symmetrically even number and cuts tongue part by with without directionality.However, cut the quantity of tongue part,
Size, position, shape, direction and angle are at all unrestricted, as long as they make it possible to realize relative to metallic plate and waveguide
Cell location.
While it is preferred that make metallic plate that there is such simple structure with without directionality, but it can have it is any
Structure, as long as it can be positioned relative to yoke.
Preferably, for cross-ventilated purpose, Wave guide unit 2 is formed with addition to those holes for relative positioning
Other holes.However, the quantity in hole, position and shape are at all unrestricted, as long as they are made it possible to relative to magnetron
Carry out aligning wave guides unit.
(implementation method 3)
Fig. 6 is the front view of the magnetron of the 3rd implementation method of the invention.Fig. 7 is the of the invention 3rd real
Apply the stereogram of the bar of the magnetron of mode.
As shown in fig. 6, the first yoke 1218 near metallic plate 125 at the invalid ventilation road part of cooling wind
Four holes 1219 are formed with outer circumference, are made the hole 1219 radioactively and is arranged symmetrically so as to no directionality.
Bar 127 is inserted into inwardly or outwardly to protrude about the same by four corresponding holes 1219 of the first yoke 1218
Length.
As shown in fig. 7, each bar 127 has the length of semi-cylindrical form and five times of the thickness with about yoke.
Bar 127 is pressed into cooperation in the corresponding hole 1219 of the first yoke 1218.
Bar 127 is made of aluminum.
Metallic plate 125 is assembled in the circle connect in the circular arc with four bars 127, and thus relative to the first yoke 1218
Positioning.
In addition to the first yoke 1218 and bar 127, magnetron is matched somebody with somebody according to identical mode in the first embodiment
Put.
Using said structure, inner vacuum tube member 11 is positioned relative to the first yoke 1218, and wherein metallic plate 125 is inserted in very
Between the yoke 1218 of blank pipe 11 and first, because to be provided with high frequency waves defeated for the inboard portion (in radial directions) of metallic plate 125
The Outboard Sections (in radial directions) for going out unit 111 and metallic plate 125 are assembled in and are pressed into cooperation in the first yoke
In the circle connect in the circular arc of the bar 127 in 1218.
Fig. 8 is the partial section view of the magnetron with Wave guide unit of the 3rd implementation method of the invention.
As shown in figure 8, the part that be attached magnetron 1 of Wave guide unit 2 is being pressed into cooperation in the first magnetic for assembling
Hole 25 is formed with the position of the corresponding bar 127 in yoke 1218.Bar 127 is assembled in the corresponding hole 25 of Wave guide unit 2.
Using this structure, magnetron 1 and Wave guide unit 2 are located opposite to each other, and the first yoke 1215 and waveguide list
Unit 2 is interfixed by screw.
It is described below how the magnetron for configuring above works.
First, the no directionality of metallic plate 125 of shape video disc and making it possible to realizes simple assembling.Because bar
127 height is substantially greater than the thickness of metallic plate 125, so metallic plate 125 will not be risen on bar 127.
Because bar 127 is not magnetic, it is possible to suppressing magnetic loss.Because the inner vacuum tube member 11 of magnetron 1 via
Metallic plate 125 and bar 127 are positioned relative to the first yoke 1218, it is possible to reducing the position of the component involved in assembling
Change and can suppress deviation when magnetron 1 is through vibrated or impact.
Additionally, because magnetron 1 is positioned relative to Wave guide unit 2 and is fixed to Wave guide unit 2, largely
On can suppress deviation of the high frequency waves output unit 111 relative to Wave guide unit 2, can thereby suppress high frequency waves output unit
The appearance of the electric discharge between 111 and Wave guide unit 2 and can reliably guide radio wave.
Further, because bar 127 is protruded at the invalid ventilation road part of cooling wind, they also serve as baffle plate,
Make it possible to that cooling wind efficiently is applied into cooling fin.
And, because bar 127 has semi-cylindrical form, after bar 127 is hit, part cooling airflow is via hole
1219 and the hole that is limited of bar 127 and Wave guide unit is flowed into by the hole limited by the hole 25 and bar 127 of Wave guide unit 2,
To produce convective air flow in Wave guide unit.It is anticipated that high frequency waves output unit 111 and waveguide list can further be suppressed
The appearance of the electric discharge between unit 2.
Preferably, even number bar is arranged symmetrically so as to no directionality.However, the quantity of bar, size, position, shape
And direction is at all unrestricted, as long as they make it possible to realize being positioned relative to metallic plate and Wave guide unit.
Bar 127 need not be pressed into cooperation, as long as they make it possible to realize being positioned relative to metallic plate and Wave guide unit.
Although preferably make metallic plate that there is such simple structure with without directionality, but it can have it is any
Structure, as long as it can be positioned relative to yoke.
In order to suppress magnetic loss, bar is preferably made by nonmagnetic substance.However, bar can be made up of any material, only
Them are wanted to make it possible to realize being positioned relative to metallic plate and Wave guide unit.
Although describe in detail the present invention by reference to particular implementation, for those skilled in the art
It is readily apparent that various changes and modifications are possible without departing from the spirit and scope of the present invention for member.
The application is based on the Japanese patent application No. 2011-266565 for submitting on December 6th, 2011, and the disclosure of which is led to
Reference is crossed to be incorporated herein.
Industrial usability
Magnetron of the invention and device using microwaves make it possible to be utilized relative to the yoke and microwave of magnetron
Wave guide unit of equipment etc. reliably position the high frequency waves output unit of magnetron and be fixed to magnetron yoke and
Wave guide unit of device using microwaves etc., to suppress the electric discharge between high frequency waves output unit and Wave guide unit, reliably guides
Radio wave, without complicating their structure and assemble method.Similarly, they can be applied to or as such as micro-
The device using microwaves of ripple stove.
Reference is described
1：Magnetron
11：Inner vacuum tube member
111：High frequency waves output unit
112：Anodal barrel
12：External component
121：Yoke
1211：First yoke
1212：Second yoke
1213：Cut tongue part
1214：Hole
1215：First yoke
1216：First cuts tongue part
1217：Second cuts tongue part
1218：First yoke
1219：Hole
122：Permanent magnet
123：Cooling unit
124：Filter unit
125：Metallic plate
126：Packing ring
127：Bar
2：Wave guide unit
21：Cut tongue part
22：Hole
23：First hole
24：Second hole
25：Hole
3：First yoke
31：Cyclic rib
4：Location-plate
41：Baffle plate
Claims (3)
1. a kind of magnetron, the magnetron includes：
Anodal barrel including high frequency waves output unit；
It is arranged in two permanent magnets of opposite side of the anodal barrel；And
The yoke that the anodal barrel and the permanent magnet hold internally is accommodated,
Wherein, the multiple that is formed in part with positioned at high frequency waves outlet side of the yoke cuts tongue part, and with the high frequency waves
Output unit and cut that the metallic plate that tongue part matches is sandwiched in the permanent magnet one between the yoke, by
This described anodal barrel and the yoke are located opposite to each other and fix,
Wherein, the Wave guide unit of the attachment magnetron of device using microwaves is formed with protuberance, the protuberance and by institute
State in yoke it is described cut the hole that tongue part formed and match, and the protuberance of the Wave guide unit is assembled in institute
State in the hole of yoke, thus the yoke and the Wave guide unit are located opposite to each other and fix,
Wherein, the metallic plate do not have baffle plate, be assembled in in the circle connect in the end face for cutting tongue part, it is described to cut tongue
Part is formed at the invalid ventilation road part of cooling wind and cuts tongue part institute via described for use as baffle plate, part cooling airflow
The hole that is formed and the Wave guide unit is flowed into by the hole.
2. magnetron according to claim 1, wherein, the Wave guide unit is formed with cuts tongue part, this cut tongue part and
The hole that tongue part formed is cut as described in the yoke to match, and the described of the Wave guide unit cuts tongue part and is filled
Fit in the hole of the yoke, thus the yoke and the Wave guide unit are located opposite to each other and fix.
3. a kind of device using microwaves, the device using microwaves include magnetron according to claim 1 and 2.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-266565 | 2011-12-06 | ||
| JP2011266565A JP6171162B2 (en) | 2011-12-06 | 2011-12-06 | Microwave equipment |
| PCT/JP2012/007827 WO2013084497A1 (en) | 2011-12-06 | 2012-12-06 | Magnetron and microwave-using equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103975412A CN103975412A (en) | 2014-08-06 |
| CN103975412B true CN103975412B (en) | 2017-05-31 |
Family
ID=48573886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280059927.1A Active CN103975412B (en) | 2011-12-06 | 2012-12-06 | Magnetron and device using microwaves |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2790204B1 (en) |
| JP (1) | JP6171162B2 (en) |
| CN (1) | CN103975412B (en) |
| WO (1) | WO2013084497A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252182A (en) * | 2016-09-14 | 2016-12-21 | 南京三乐微波技术发展有限公司 | A kind of continuous wave magnetron waveguide excitation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1411019A (en) * | 2001-09-25 | 2003-04-16 | 三洋电机株式会社 | Magnetron |
| CN101281850A (en) * | 2007-04-03 | 2008-10-08 | 三星电子株式会社 | Magnetron and electromagnetic wave shielding gasket |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192037U (en) * | 1975-01-23 | 1976-07-23 | ||
| JPS589537B2 (en) * | 1975-09-19 | 1983-02-21 | 株式会社日立製作所 | magnetron |
| JPS539463A (en) * | 1976-07-14 | 1978-01-27 | Matsushita Electronics Corp | Magnetron unit |
| JPS5755724Y2 (en) * | 1977-11-24 | 1982-12-01 | ||
| JPS58178264U (en) * | 1982-05-25 | 1983-11-29 | 株式会社東芝 | magnetron |
| JPS5981834A (en) * | 1982-11-01 | 1984-05-11 | Hitachi Ltd | Magnetron |
| JPS6321725A (en) * | 1986-07-16 | 1988-01-29 | Matsushita Electric Ind Co Ltd | Magnetron |
| JPH0230036A (en) * | 1988-02-03 | 1990-01-31 | Sanyo Electric Co Ltd | Magnetron |
| JP2002033056A (en) * | 2000-07-14 | 2002-01-31 | Toshiba Corp | Pulse magnetron device and method of manufacturing the same |
| CN102334174B (en) * | 2009-02-27 | 2014-04-30 | 松下电器产业株式会社 | Magnetron and microwave utilization device |
-
2011
- 2011-12-06 JP JP2011266565A patent/JP6171162B2/en not_active Expired - Fee Related
-
2012
- 2012-12-06 EP EP12855050.6A patent/EP2790204B1/en active Active
- 2012-12-06 CN CN201280059927.1A patent/CN103975412B/en active Active
- 2012-12-06 WO PCT/JP2012/007827 patent/WO2013084497A1/en active Search and Examination
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1411019A (en) * | 2001-09-25 | 2003-04-16 | 三洋电机株式会社 | Magnetron |
| CN101281850A (en) * | 2007-04-03 | 2008-10-08 | 三星电子株式会社 | Magnetron and electromagnetic wave shielding gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6171162B2 (en) | 2017-08-02 |
| WO2013084497A1 (en) | 2013-06-13 |
| EP2790204A4 (en) | 2015-04-15 |
| EP2790204A1 (en) | 2014-10-15 |
| CN103975412A (en) | 2014-08-06 |
| EP2790204B1 (en) | 2021-02-03 |
| JP2013120628A (en) | 2013-06-17 |
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