CN107978504A - A kind of magnetron energy follower and the magnetron for including the energy follower - Google Patents
A kind of magnetron energy follower and the magnetron for including the energy follower Download PDFInfo
- Publication number
- CN107978504A CN107978504A CN201711496715.0A CN201711496715A CN107978504A CN 107978504 A CN107978504 A CN 107978504A CN 201711496715 A CN201711496715 A CN 201711496715A CN 107978504 A CN107978504 A CN 107978504A
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- magnetron
- energy follower
- antenna
- coupled
- energy
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- 239000002184 metal Substances 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 56
- 238000005476 soldering Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- 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
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- Details Of Aerials (AREA)
- Microwave Tubes (AREA)
Abstract
The present invention discloses a kind of magnetron energy follower and includes the magnetron of the energy follower, energy follower includes output window and metal shell, output window forms annular seal space with metal shell, is equipped with antenna module in annular seal space, two coupled antennas of antenna module include L-type metal segments respectively.The present invention has low reflectance factor and high structural strength.
Description
Technical field
The present invention relates to vacuum electron device technical field.More particularly, to a kind of energy follower of magnetron.
Background technology
Magnetron is the resonant devices for producing high frequency power.In magnetron, cathode includes the surface of emission, heating arrangements and two
The shielding construction at end.Cathode is surround by coaxial anode.Anode includes resonance chamber and the resonance line of rabbet joint, resonance chamber and resonant slots
Seam can be formed by multiple radially-arranged foliaceous electrodes or other structures.Apply electric field between a cathode and an anode, along the moon
Pole axis direction sets magnetic field, in the space that the electronics of emission of cathode will be formed between cathode outer surface and anode with electromagnetism
Field interactions, produces required microwave signal, then by the output window of energy follower by microwave energy the coupling from magnetron
Close output.
Required precision of the energy follower to structure size in existing magnetron is higher, and reflectance factor is higher and structure
Intensity is relatively low, and performance is vulnerable to the influence of ambient mechanical stress.
Accordingly, it is desirable to provide a kind of energy follower and magnetron with low reflectance factor and high structural strength.
The content of the invention
It is an object of the invention to provide a kind of energy follower and magnetic control with low reflectance factor and high structural strength
Pipe.
To reach above-mentioned purpose, the present invention uses following technical proposals：
First aspect present invention provides a kind of energy follower, including output window and metal shell, the output window and gold
Belong to housing and form annular seal space, be equipped with antenna module in the annular seal space, two coupled antennas of the antenna module include L respectively
Type metal segments.
In the energy follower that first aspect present invention provides, two coupled antennas are by the high frequency in magnetron resonator system
Voltage is led in energy follower, and two L-type metal segments play the role of impedance conversion, the frequency electromagnetic waves of antenna module excitation
Exported by output window.The overall structure of the energy follower provided by first aspect present invention, particularly two L-type metal segments bands
Come beneficial effect be：The energy follower that first aspect present invention provides has low reflectance factor, while has relatively high
Structural strength.Low reflectance factor causes the job stability higher of magnetron resonator system, and high structural strength is for magnetic control plumber
The mechanical stress produced during work has the adaptability of higher, is conducive to eliminate or suppresses ambient mechanical stress zone come not
Profit influences.In addition, required precision of the energy follower of first aspect present invention offer to structure size is relatively low, L-type metallic rod
Required precision of the "the" shape impedance transformer being composed with coupled antenna body for bending radius and bending position is very
It is low, make the other sizes precision of device be easier to meet the requirements in the fabrication process.
Preferably, the antenna module has axial antenna export structure.
Preferably, described two coupled antennas include being used for two coaxial interfaces for being connected to anode, and connection respectively
The transmitting antenna of two coupled antenna other ends.Wherein, two coaxial interfaces are used for the high-frequency electrical in magnetron resonator system
Pressure is led in energy follower, and transmitting antenna is used to encourage frequency electromagnetic waves.
Preferably, which further comprises the support being fixed between metal shell and the transmitting antenna
Part.Supporting item is used for the structural strength for further strengthening antenna module, strong further to strengthen the structure of energy follower entirety
Degree.
Preferably, the supporting item is circular metal bar.The supporting item of circular metal rod state is except further strengthening day
Outside the structural strength of line component, it can also realize the thermal energy for producing transmitting antenna during frequency electromagnetic waves are encouraged by metal
Housing conducts.
Preferably, the supporting item is located at the energy follower center.Branch positioned at energy follower center
Support member is more conducive to realize the structural strength for further strengthening antenna module.
Preferably, the distance between two coupled antenna L-type metal segments are more than the distance between coupled antenna coaxial interface,
Or the distance between two coupled antenna L-type metal segments are less than the distance between coupled antenna coaxial interface.So it is more conducive to two
A L-type metallic rod realizes the effect of impedance conversion.
Preferably, the output window, metal shell, antenna module are fixedly connected by soldering.
Second aspect of the present invention provides a kind of magnetron, including energy follower disclosed in first aspect present invention.
Beneficial effects of the present invention are as follows：
Technical solution of the present invention is with low reflectance factor and with high structural strength.Low reflectance factor causes magnetron
The job stability higher of resonator system, high structural strength have higher for the mechanical stress produced in the magnetron course of work
Adaptability, be conducive to eliminate or suppress ambient mechanical stress zone come adverse effect.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings；
Fig. 1 shows the schematic diagram of energy follower.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in Figure 1, An embodiment provides a kind of energy follower, including output window 10 and metal-back
Body, output window 10 form annular seal space with metal shell, and antenna module, two coupled antennas point of antenna module are equipped with annular seal space
Bao Kuo not L-type metal segments.
In energy follower provided in this embodiment, two coupled antennas draw the high frequency voltage in magnetron resonator system
To energy follower, two L-type metal segments play the role of impedance conversion, and the frequency electromagnetic waves of antenna module excitation are by exporting
Window exports.By the overall structure of energy follower provided in this embodiment, the beneficial effect that particularly two L-type metal segments are brought
It is：Energy follower provided in this embodiment has low reflectance factor, while has relatively high structural strength.Low reflectance factor
So that the job stability higher of magnetron resonator system, high structural strength should for the machinery produced in the magnetron course of work
Power has the adaptability of higher, is conducive to eliminate or suppresses the adverse effect that ambient mechanical stress zone comes.In addition, the present embodiment
Required precision of the energy follower of offer to structure size is relatively low, what L-type metallic rod was composed with coupled antenna body
Requirement of the "the" shape impedance transformer for the precision of bending radius and bending position is very low, makes the other sizes precision of device
It is easier to meet the requirements in the fabrication process.
In the specific implementation, the antenna module in energy follower provided in this embodiment has axial antenna output knot
Structure.In the present embodiment, antenna module specifically include introduce annular seal space in the first coaxial interface 20 and the second coaxial interface 30,
The first coupled antenna body 40, the second coupled antenna body 50, the first L-type metal segments 60, the second L-type gold in annular seal space
Belong to the bottom surface difference of section 70, transmitting antenna 80 and supporting item 90, the first coupled antenna body 40 and the second coupled antenna body 50
Be fixedly connected the first coaxial interface 20 and the second coaxial interface 30 introduce annular seal space part (i.e. the first coupled antenna body 40
Bottom surface is fixedly connected with the part that the first coaxial interface 20 introduces annular seal space, and the bottom surface of the second coupled antenna body 50 is fixedly connected with the
Two coaxial interfaces 30 introduce the part of annular seal space), the bottom surface side of the horizontal end arms of the first L-type metal segments and the second L-type metal segments
Edge is respectively fixedly connected with top surface (i.e. the first L-type metal segments 60 of the first coupled antenna body 40 and the second coupled antenna body 50
The bottom edge of horizontal end arms be fixedly connected with the top surface of the first coupled antenna body 40, the transverse end of the second L-type metal segments 70
The bottom edge of arm is fixedly connected with the top surface of the second coupled antenna body 50), the first L-type metal segments 60 and the second L-type metal segments
The top surface of 70 longitudinal end arms be respectively fixedly connected with 80 both ends of transmitting antenna bottom edge (i.e. the first L-type metal segments 60 it is vertical
The bottom edge of 80 one end of transmitting antenna, the top surface of longitudinal end arms of the second L-type metal segments 70 are fixedly connected with to the top surface of end arms
It is fixedly connected with the bottom edge of 80 other end of transmitting antenna), the top and bottom of supporting item 90 are respectively fixedly connected with transmitting antenna
(i.e. the top surface of supporting item 90 is fixedly connected with the bottom center of transmitting antenna 80, supporting item with magnetron tube body for 80 bottom center
90 bottom surface is fixedly connected with magnetron tube body).
In energy follower provided in this embodiment, the first coaxial interface 20, the second coaxial interface 30, the first coupled antenna
40 and second coupled antenna body 50 of body leads to the high frequency voltage in magnetron resonator system in energy follower, the first L
60 and second L-type metal segments 70 of type metal segments play the role of impedance conversion, and transmitting antenna 80 is as transmitting antenna excitation high frequency
Electromagnetic wave, frequency electromagnetic waves are exported by output window 10.Supporting item 90 be used for further strengthen antenna module structural strength, with into
One step strengthens the structural strength of energy follower entirety, and supporting item 90 is located at energy follower center and is more conducive to realize into one
Step strengthens the structural strength of antenna module.
In the present embodiment, transmitting antenna 80 is sheet metal.
In the specific implementation, supporting item 90 is circular metal bar, and the supporting item 90 of circular metal rod state is except further
Outside the structural strength for strengthening antenna module, the heat for producing transmitting antenna 80 during frequency electromagnetic waves are encouraged can be also realized
It can be conducted by metal shell.
In the specific implementation, the distance between two coupled antenna L-type metal segments are more than between coupled antenna coaxial interface
Distance, or the distance between two coupled antenna L-type metal segments are less than the distance between coupled antenna coaxial interface.That is,
Lateral separation between longitudinal end arms of one L-type metal segments 60 and the second L-type metal segments 70 is more than the first coaxial interface 20 and the
Between lateral separation between two coaxial interfaces 30, or longitudinal end arms of the first L-type metal segments 60 and the second L-type metal segments 70
Lateral separation is more than the lateral separation between the first coaxial interface 20 and the second coaxial interface 30, and in the present embodiment, first is same
Lateral separation between 20 and second coaxial interface 30 of axial interface is equal to the first coupled antenna body 40 and the second coupled antenna sheet
Lateral separation between body 50.Such a structure is more conducive to the first L-type metal segments 60 and the second L-type metal segments 70 realize that impedance converts
Effect.
In the specific implementation, output window, metal shell, antenna module are fixedly connected by soldering.In the present embodiment,
The bottom surface of one coupled antenna body 40 and the second coupled antenna body 50 is brazed the first coaxial interface 20 and second and coaxially connects respectively
The bottom edge difference of the horizontal end arms of the part of the introducing annular seal spaces of mouth 30, the first L-type metal segments 60 and the second L-type metal segments 70
It is brazed the top surface of the first coupled antenna body 40 and the second coupled antenna body 50, the first L-type metal segments 60 and the second L-type metal
The top surface of longitudinal end arms of section 70 is brazed the bottom edge at 80 both ends of transmitting antenna, the top and bottom difference of supporting item 90 respectively
It is brazed bottom center and the magnetron tube body of transmitting antenna 80.Wherein, the first L-type metal segments 60 and the first coupled antenna body 40
Can also be integrally machined and form, equally, the second L-type metal segments 70 and the second coupled antenna body 50 can also be integrally machined and
Into.
An alternative embodiment of the invention provides a kind of magnetron, including the energy follower that above-described embodiment provides.
In the description of the present invention, it is necessary to which the orientation of the instruction such as explanation, term " on ", " under " or position relationship are base
In orientation shown in the drawings or position relationship, description description of the invention and simplified, rather than instruction or hint are for only for ease of
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, example
Such as, can be fixedly connected or be detachably connected, or be integrally connected；Can mechanically connect or be electrically connected
Connect；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
It should also be noted that, in the description of the present invention, relational terms such as first and second and the like are only used
To distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these entities or
There are any actual relationship or order between operation.Moreover, term " comprising ", "comprising" or its any other change
Body is intended to non-exclusive inclusion, so that process, method, article or equipment including a series of elements are not only wrapped
Those key elements are included, but also including other elements that are not explicitly listed, or further include as this process, method, article
Or the key element that equipment is intrinsic.In the absence of more restrictions, the key element limited by sentence "including a ...", and
It is not precluded within the process including the key element, method, article or equipment that also there are other identical element.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the art, on the basis of the above description can be with
Make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to the present invention
The obvious changes or variations extended out of technical solution still in protection scope of the present invention row.
Claims (10)
1. a kind of magnetron energy follower, including output window and metal shell, the output window is formed with metal shell and sealed
Chamber, is equipped with antenna module in the annular seal space, it is characterised in that two coupled antennas of the antenna module include L-type respectively
Metal segments.
2. magnetron energy follower according to claim 1, it is characterised in that the antenna module is defeated with axial antenna
Go out structure.
3. magnetron energy follower according to claim 2, it is characterised in that described two coupled antennas include using respectively
In two coaxial interfaces for being connected to anode, and the transmitting antenna of two coupled antenna other ends of connection.
4. magnetron energy follower according to claim 2, it is characterised in that the energy follower further comprises fixing
Supporting item between metal shell and the transmitting antenna.
5. magnetron energy follower according to claim 4, it is characterised in that the supporting item is circular metal bar.
6. according to claim 4 can magnetron amount follower, it is characterised in that the supporting item is located at the energy follower
Center.
7. magnetron energy follower according to claim 3, it is characterised in that between two coupled antenna L-type metal segments
Distance be more than the distance between coupled antenna coaxial interface.
8. magnetron energy follower according to claim 3, it is characterised in that between two coupled antenna L-type metal segments
Distance be less than the distance between coupled antenna coaxial interface.
9. energy follower according to claim 4, it is characterised in that the output window, metal shell, antenna module pass through
Soldering is fixedly connected.
10. a kind of magnetron for including energy follower, it is characterised in that including as claimed in any one of claims 1-9 wherein
Energy follower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496715.0A CN107978504B (en) | 2017-12-31 | 2017-12-31 | Magnetron energy output device and magnetron comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496715.0A CN107978504B (en) | 2017-12-31 | 2017-12-31 | Magnetron energy output device and magnetron comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107978504A true CN107978504A (en) | 2018-05-01 |
| CN107978504B CN107978504B (en) | 2024-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711496715.0A Active CN107978504B (en) | 2017-12-31 | 2017-12-31 | Magnetron energy output device and magnetron comprising same |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146550A (en) * | 2020-01-14 | 2020-05-12 | 四川大学 | Power divider and power distribution assembly based on bottom feed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111146550A (en) * | 2020-01-14 | 2020-05-12 | 四川大学 | Power divider and power distribution assembly based on bottom feed |
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| Publication number | Publication date |
|---|---|
| CN107978504B (en) | 2024-04-12 |
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