CN106057613A - C-shaped magnetic assembly for magnetron - Google Patents
C-shaped magnetic assembly for magnetron Download PDFInfo
- Publication number
- CN106057613A CN106057613A CN201610639248.1A CN201610639248A CN106057613A CN 106057613 A CN106057613 A CN 106057613A CN 201610639248 A CN201610639248 A CN 201610639248A CN 106057613 A CN106057613 A CN 106057613A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- yoke
- magnetron
- magnetic assembly
- pole
- 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
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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
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/10—Magnet systems for directing or deflecting the discharge along a desired path, e.g. a spiral path
-
- 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
Landscapes
- Microwave Tubes (AREA)
Abstract
The invention relates to a C-shaped magnetic assembly for a magnetron. The magnetic assembly comprises a pedestal (1) and two magnet yoke assemblies, the two magnet yoke assemblies are symmetrically fixed in the left and right sides on the pedestal (1) respectively to form a C-shaped structure, each magnet yoke assembly comprises a yoke (2), a fixing and sealing cylinder (3), magnet steel (4) and a pole panel (6), the lower end of each yoke (2) is fixed on the pedestal (1), a magnet steel abutting seat (5) is fixed in one side of the magnet steel (4), the magnet steel (4) and the magnet steel abutting seat (5) are filled into the fixing and sealing cylinder (3), the pole panel (6) is fixed in the other side of the magnet steel (4) and covers the end portion of the fixing and sealing cylinder (3), the magnet steel abutting seat (5) is fixed on the yoke (2), and the pole panels (6) of the two magnet yoke assemblies are arranged opposite to each other. The C-shaped magnetic assembly for the magnetron has the advantages of small size, low weight, high magnetic field uniformity and high reliability.
Description
Technical field
The present invention relates to magnetic field component, particularly a kind of magnetron c-type magnetic assembly.
Background technology
Magnetron is a kind of electron tube for producing microwave energy.Substantially two be placed in stationary magnetic field
Pole is managed.In pipe, electronics is under the control of orthogonal stationary magnetic field and steady electric field, interacts with electromagnetic field of high frequency,
Become microwave energy obtaining energy conversion from steady electric field, thus reach to produce the purpose of microwave energy.Meanwhile, magnetron is one
Plant consumable goods, the most aging and demagnetization.
Requiring there is the strongest stationary magnetic field when magnetron normally works, its magnetic induction intensity is generally thousands of Gauss.Work
Working frequency is the highest, and added magnetic field is the strongest.The magnetic circuit system of magnetron is exactly the device producing stationary magnetic field.Existing magnetron tube
Long-pending relatively big, weight is big, and magnetic field's regularity is poor, and reliability is low.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that a kind of volume is little, lightweight, magnetic field homogeneity is good
The magnetron c-type magnetic assembly high with reliability.
The purpose of the present invention is achieved through the following technical solutions: a kind of magnetron c-type magnetic assembly, including base and two
Individual yoke assembly, two yoke assembly symmetries are fixed on the left and right sides above base, and form c-type structure, described yoke assembly
Including yoke, sealing cylinder, magnet steel and pole-face plate, the lower end of described yoke is fixed on base, and the side of described magnet steel is fixed with
Magnet steel seat, magnet steel and magnet steel seat load in sealing cylinder, and the opposite side of described magnet steel is fixed with pole-face plate, and pole-face plate covers
The end of sealing cylinder, magnet steel seat is fixed on yoke, and the pole-face plate of two yoke assemblies is oppositely arranged.
Described magnet steel is bonding integral by structure glue with magnet steel seat.
Described yoke is connected by securing member A is fixing with magnet steel seat.
Circumferentially arranged on the sidewall of described sealing cylinder have multiple securing member B, securing member B to be locked on magnet steel seat.
Described base is connected by securing member C is fixing with yoke.
Securing member A, securing member B and securing member C are sunk screw.
Described pole-face plate is bonded on the surface of magnet steel by structure glue.
The opposite face opposite polarity of two blocks of magnet steel, and central field value is between 250～270mT.
The invention have the advantages that
1, the base of the present invention and yoke assembly form c-type structure, and form magnetic loop, its magnetic field reach 250～270mT it
Between, improve magnetic field's regularity.
2, using high performance samarium-cobalt permanent-magnetic material, the Curie temperature of SmCo is more than 800 degree, substantially increases reliability.
3, the volume of the present invention is little, lightweight, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the plan structure schematic diagram of Fig. 1；
In figure: 1-base, 2-yoke, 3-sealing cylinder, 4-magnet steel, 5-magnet steel seat, 6-pole-face plate, 7-securing member A, 8-securing member
B, 9-securing member C.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As depicted in figs. 1 and 2, a kind of magnetron c-type magnetic assembly, including base 1 and two yoke assemblies, two yokes
Assembly symmetry is fixed on the left and right sides above base 1, and forms c-type structure, described yoke assembly include yoke 2, sealing cylinder 3,
Magnet steel 4 and pole-face plate 6, the lower end of described yoke 2 is fixed on base 1, and the side of described magnet steel 4 is fixed with magnet steel seat 5, magnetic
Steel 4 and magnet steel seat 5 load in sealing cylinder 3, and the opposite side of described magnet steel 4 is fixed with pole-face plate 6, and pole-face plate 6 covers in sealing
The end of cylinder 3, magnet steel seat 5 is fixed on yoke 2, and the pole-face plate 6 of two yoke assemblies is oppositely arranged.
Described magnet steel 4 is bonding integral by structure glue with magnet steel seat 5, after putting into sealing cylinder 3, and magnet steel 4 and magnet steel
Seat 5 is close together, and promotes its reliability.
Described yoke 2 is connected by securing member A7 is fixing with magnet steel seat 5, and the sidewall of described sealing cylinder 3 circumferentially sets
Being equipped with multiple securing member B8, securing member B8 is locked on magnet steel seat 5, and described base 1 and yoke 2 are fixing even by securing member C9
Connect.In the present embodiment, securing member A7, securing member B8 and securing member C9 are sunk screw, and sunk screw is not take up extra sky
Between, be conducive to reducing overall volume.
Described pole-face plate 6 is bonded on the surface of magnet steel 4 by structure glue, and two blocks of pole-face plates 6 are parallel to each other.
The opposite face opposite polarity of two blocks of magnet steel 4, and central field value is between 250～270mT.
Although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art,
Technical scheme described in foregoing embodiments still can be modified by it, or carries out wherein portion of techniques feature
With replacing, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in this
Within the protection domain of invention.
Claims (8)
1. a magnetron c-type magnetic assembly, it is characterised in that: include base (1) and two yoke assemblies, two yoke assemblies
Symmetry is fixed on the left and right sides, base (1) top, and forms c-type structure, and described yoke assembly includes yoke (2), sealing cylinder
(3), magnet steel (4) and pole-face plate (6), the lower end of described yoke (2) is fixed on base (1), and the side of described magnet steel (4) is fixed
Having magnet steel seat (5), magnet steel (4) and magnet steel seat (5) to load in sealing cylinder (3), the opposite side of described magnet steel (4) is fixed with pole
Panel (6), pole-face plate (6) covers in the end of sealing cylinder (3), and magnet steel seat (5) is fixed on yoke (2), two yoke groups
The pole-face plate (6) of part is oppositely arranged.
A kind of magnetron c-type magnetic assembly, it is characterised in that: described magnet steel (4) and magnet steel seat
(5) bonding integral by structure glue.
A kind of magnetron c-type magnetic assembly, it is characterised in that: described yoke (2) and magnet steel seat
(5) by securing member A(7) fixing connection.
A kind of magnetron c-type magnetic assembly, it is characterised in that: on the sidewall of described sealing cylinder (3)
Circumferentially arranged have multiple securing member B(8), securing member B(8) it is locked on magnet steel seat (5).
A kind of magnetron c-type magnetic assembly, it is characterised in that: described base (1) and yoke (2)
By securing member C(9) fixing connection.
6. according to magnetron c-type magnetic assembly a kind of described in claim 3,4 or 5, it is characterised in that: securing member A(7), fasten
Part B(8) and securing member C(9) it is sunk screw.
A kind of magnetron c-type magnetic assembly, it is characterised in that: described pole-face plate (6) passes through structure
Glue bond is on the surface of magnet steel (4).
A kind of magnetron c-type magnetic assembly, it is characterised in that: the opposite face pole of two pieces of magnet steel (4)
Property contrary, and central field value is between 250～270mT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639248.1A CN106057613B (en) | 2016-08-08 | 2016-08-08 | A kind of magnetron c-type magnetic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639248.1A CN106057613B (en) | 2016-08-08 | 2016-08-08 | A kind of magnetron c-type magnetic assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106057613A true CN106057613A (en) | 2016-10-26 |
| CN106057613B CN106057613B (en) | 2017-12-29 |
Family
ID=57480180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610639248.1A Expired - Fee Related CN106057613B (en) | 2016-08-08 | 2016-08-08 | A kind of magnetron c-type magnetic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106057613B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459378A (en) * | 2019-09-11 | 2019-11-15 | 西南应用磁学研究所 | A kind of permanent magnetic device generating space uniform magnetic field |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214980A (en) * | 2010-04-01 | 2011-10-12 | 戴珊珊 | Method and device for generating mechanical reciprocating bistable motion by virtue of electromagnetism |
| CN203746602U (en) * | 2013-11-27 | 2014-07-30 | 西南应用磁学研究所 | Permanent magnet device |
| CN205881863U (en) * | 2016-08-08 | 2017-01-11 | 成都八九九科技有限公司 | C type magnetic component for magnetron |
-
2016
- 2016-08-08 CN CN201610639248.1A patent/CN106057613B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214980A (en) * | 2010-04-01 | 2011-10-12 | 戴珊珊 | Method and device for generating mechanical reciprocating bistable motion by virtue of electromagnetism |
| CN203746602U (en) * | 2013-11-27 | 2014-07-30 | 西南应用磁学研究所 | Permanent magnet device |
| CN205881863U (en) * | 2016-08-08 | 2017-01-11 | 成都八九九科技有限公司 | C type magnetic component for magnetron |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459378A (en) * | 2019-09-11 | 2019-11-15 | 西南应用磁学研究所 | A kind of permanent magnetic device generating space uniform magnetic field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106057613B (en) | 2017-12-29 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20200808 |