CN210443519U - Magnetic field assembly for large magnetron - Google Patents
Magnetic field assembly for large magnetron Download PDFInfo
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- CN210443519U CN210443519U CN201922014024.3U CN201922014024U CN210443519U CN 210443519 U CN210443519 U CN 210443519U CN 201922014024 U CN201922014024 U CN 201922014024U CN 210443519 U CN210443519 U CN 210443519U
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Abstract
The utility model discloses a magnetic field subassembly for large-scale magnetron, including the same and each other one-tenth axial symmetry's of structure left magnet steel assembly and right magnet steel assembly, left side magnet steel assembly with right side magnet steel assembly can dismantle the connection. The utility model comprises a left magnetic steel component and a right magnetic steel component which are fastened and folded by screws; the first two layers of magnetic steel and the third magnetic steel are divided into three layers of magnetic steel, wherein the inner arc polarity of the first two layers of magnetic steel is one pole, and the third magnetic steel is the opposite pole; the shell, the first inner ring and the third inner ring are made of magnetic materials; the hoop 1, the hoop 2, the second inner ring and the partition plate are made of nonmagnetic materials; the magnetic steel material is a high remanence neodymium iron boron material; after the magnetic conduction pole shoe is installed, the axial magnetic field of the pole shoe reaches 300 mT-400 mT, and the length of the uniform area is more than or equal to 120 mm; the diameter of the uniform area is more than or equal to 50 mm; the deviation of the uniform area is +/-10 mT; the magnetic field intensity and uniformity provided are further improved; and the utility model discloses a three-layer magnet steel design, even district length further extends.
Description
Technical Field
The utility model belongs to the technical field of the magnetic field subassembly, concretely relates to magnetic field subassembly for large-scale magnetron.
Background
A magnetron is an electric vacuum device used to generate microwave energy. Essentially a diode placed in a constant magnetic field. Under the control of the constant magnetic field and the constant electric field which are vertical to each other, electrons in the tube interact with the high-frequency electromagnetic field to convert energy obtained from the constant electric field into microwave energy, thereby achieving the purpose of generating the microwave energy.
The existing magnetron magnetic fields are all small-sized magnetron magnetic fields, and the provided magnetic field intensity and uniformity are not high; and the magnetic field of the existing magnetron is designed by two layers of magnetic steel, and the length of a uniform area is not long.
Accordingly, there is a need to provide a magnetic field assembly for large scale magnetron to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic field subassembly for large-scale magnetron for solve the technical problem that exists among the prior art, for example: the existing magnetron magnetic fields are all small-sized magnetron magnetic fields, and the provided magnetic field intensity and uniformity are not high; and the magnetic field of the existing magnetron is designed by two layers of magnetic steel, and the length of a uniform area is not long.
In order to achieve the above object, the utility model adopts the following technical scheme:
a magnetic field component for a large magnetron comprises a left magnetic steel component and a right magnetic steel component which have the same structure and are in axial symmetry with each other, wherein the left magnetic steel component and the right magnetic steel component are detachably connected;
left side magnetic steel subassembly with right side magnetic steel subassembly all includes: the device comprises a first clamp, a first inner ring, first magnetic steel, a partition plate, second magnetic steel, a shell, a second inner ring, third magnetic steel, a third inner ring and a second clamp;
the first magnetic steel and the third magnetic steel are respectively arranged at two ends of the supporting cylinder, the second magnetic steel is arranged in the middle of the supporting cylinder, one end of a third inner ring is correspondingly arranged on the inner arc surface of the third magnetic steel, the other end of the third inner ring is fixedly connected with the supporting cylinder, the second hoop is arranged on the end surface of the third magnetic steel, the outer arc surface of the third magnetic steel is in adaptive connection with the inner arc surface of the shell, the second inner ring is in adaptive connection with one end of the second magnetic steel and the inner arc surface of the second magnetic steel, one end of the clapboard is fixedly connected with the other end of the second magnetic steel, the outer arc surface of the second magnetic steel is in adaptive connection with the inner arc surface of the shell, the other end of the clapboard is fixedly connected with one end of the first magnetic steel, the outer arc surface of the clapboard is in adaptive connection with the inner arc surface of the shell, and the first inner ring is correspondingly arranged on the inner arc surface of the, the outer arc surface of the first magnetic steel is connected with the inner arc surface of the shell in an adaptive manner, the first clamp is arranged on the end surface of the other end of the first magnetic steel, and one end, close to the third magnetic steel, of the supporting cylinder is fixedly provided with a magnetic conduction pole shoe;
the polarity of the first magnetic steel inner arc surface is the same as that of the second magnetic steel inner arc surface, and the polarity of the first magnetic steel inner arc surface is opposite to that of the third magnetic steel inner arc surface.
Preferably, two ends of the outer arc surface of the shell are provided with fixing blocks.
Preferably, the fixing block is welded to the housing.
Preferably, the left magnetic steel component and the right magnetic steel component are fixedly connected through screws.
Preferably, the housing, the first inner ring and the third inner ring are all made of magnetic conductive materials.
Preferably, first clamp, second inner ring and baffle all adopt no magnetism material to make.
Preferably, the first magnetic steel, the second magnetic steel and the third magnetic steel are all made of high-remanence N52 NdFeB materials.
The utility model has the beneficial technical effects that: the utility model comprises a left magnetic steel component and a right magnetic steel component which are fastened and folded by screws; the first two layers of magnetic steel and the third magnetic steel are divided into three layers of magnetic steel, wherein the inner arc polarity of the first two layers of magnetic steel is one pole, and the third magnetic steel is the opposite pole; the shell, the first inner ring and the third inner ring are made of magnetic materials; the hoop 1, the hoop 2, the second inner ring and the partition plate are made of nonmagnetic materials; the magnetic steel material is a high remanence neodymium iron boron material; after the magnetic conduction pole shoe is installed, the axial magnetic field of the pole shoe reaches 300 mT-400 mT, and the length of the uniform area is more than or equal to 120 mm; the diameter of the uniform area is more than or equal to 50 mm; the deviation of the uniform area is +/-10 mT; the magnetic field intensity and uniformity provided are further improved; and the utility model discloses a three-layer magnet steel design, even district length further extends.
Drawings
Fig. 1 shows a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a side view of embodiment 2 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-2 of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 and 2, a magnetic field assembly for a large magnetron comprises a left magnetic steel assembly and a right magnetic steel assembly which have the same structure and are axisymmetrical with each other, wherein the left magnetic steel assembly is detachably connected with the right magnetic steel assembly;
left side magnetic steel subassembly with right side magnetic steel subassembly all includes: the device comprises a first clamp 1, a first inner ring 2, a first magnetic steel 3, a partition plate 4, a second magnetic steel 5, a shell 7, a second inner ring 6, a third magnetic steel 8, a third inner ring 10 and a second clamp 11;
the first magnetic steel 3 and the third magnetic steel 8 are respectively arranged at two ends of a supporting cylinder 13, the second magnetic steel 5 is arranged in the middle of the supporting cylinder 13, one end of a third inner ring 10 is correspondingly arranged on the inner arc surface of the third magnetic steel 8, the other end of the third inner ring 10 is fixedly connected with the supporting cylinder 13, a second clamp 11 is arranged on the end surface of the third magnetic steel 8, the outer arc surface of the third magnetic steel 8 is in adaptive connection with the inner arc surface of the shell 7, the second inner ring 6 is in adaptive connection with one end of the second magnetic steel 5 and the inner arc surface of the second magnetic steel 5, one end of the clapboard 4 is fixedly connected with the other end of the second magnetic steel 5, the outer arc surface of the second magnetic steel 5 is in adaptive connection with the inner arc surface of the shell 7, the other end of the clapboard 4 is fixedly connected with one end of the first magnetic steel 3, the outer arc surface of the clapboard 4 is in adaptive connection with the inner arc surface of the shell 7, the first inner ring 2 is correspondingly arranged on the inner arc surface of the first magnetic steel 3, the outer arc surface of the first magnetic steel 3 is in adaptive connection with the inner arc surface of the shell 7, the first clamp 1 is arranged on the end surface of the other end of the first magnetic steel 3, and one end of the supporting cylinder 13, which is close to the third magnetic steel 8, is fixedly provided with a magnetic conduction pole shoe 9;
the polarity of the first magnet steel 3 inner arc surface is the same as that of the second magnet steel 5 inner arc surface, and the polarity of the first magnet steel 3 inner arc surface is opposite to that of the third magnet steel 8 inner arc surface.
Left magnetic steel component, right magnetic steel component mounting means all adopt: the third magnetic steel 8 is arranged on the inner arc surface at one end of the shell 7 and is fixed by glue and locking screws, so that the magnetic steel is more stable in assembly and use; a third inner ring 10 is arranged on the inner arc surface of the third magnetic steel 8 and is fixed by glue, so that the third inner ring 10 is prevented from shifting under the action of suction; a second clamp 11 is arranged on the end face of the third magnetic steel 8 and is fastened by a countersunk head screw, and the second clamp 11 mainly has the function that the screw penetrates through the screw hole to fold the left magnetic steel component and the right magnetic steel component; mounting a second inner ring 6 and fastening by using screws; placing the second magnetic steel 5 into the second inner ring 6, and fixing by using glue and a set screw; the other end of the second magnetic steel 5 is provided with a clapboard 4 which is fastened by screws; the partition plate 4 plays a role in positioning the first magnetic steel 3; a first magnetic steel 3 is arranged on the inner arc surface of the other end of the shell 7, and one end of the first magnetic steel is attached to the partition plate 4 and fixed by glue and a set screw; a first inner ring 2 is arranged on the inner arc surface of the first magnetic steel 3 and is fastened by glue, so that the first inner ring 2 is prevented from shifting due to suction force; a first clamp 1 is arranged on the end face of the first magnetic steel 3 and is fastened by a countersunk head screw, and the first clamp 1 mainly has the function that the screw penetrates through the screw hole to fold the left magnetic steel component and the right magnetic steel component; the two sides of the shell 7 are welded with fixing blocks 12, and the fixing blocks 12 are mainly used for enabling the left magnetic steel component and the right magnetic steel component to be folded through screws penetrating through screw holes; the reliability of the folding of the left magnetic steel component and the right magnetic steel component is higher through the fastening and folding of the first clamp 1, the second clamp 11 and the fixing block 12.
Preferably, the outer shell 7, the first inner ring 2 and the third inner ring 10 are made of magnetic conductive materials.
Preferably, the first clamp 1, the second clamp 11, the second inner ring 6 and the partition plate 4 are made of non-magnetic materials.
Preferably, the first magnetic steel 3, the second magnetic steel 5 and the third magnetic steel 8 are all made of high remanence N52 neodymium iron boron material.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (7)
1. A magnetic field component for a large magnetron is characterized by comprising a left magnetic steel component and a right magnetic steel component which have the same structure and are in axial symmetry with each other, wherein the left magnetic steel component and the right magnetic steel component are detachably connected;
left side magnetic steel subassembly with right side magnetic steel subassembly all includes: the device comprises a first clamp, a first inner ring, first magnetic steel, a partition plate, second magnetic steel, a shell, a second inner ring, third magnetic steel, a third inner ring and a second clamp;
the first magnetic steel and the third magnetic steel are respectively arranged at two ends of the supporting cylinder, the second magnetic steel is arranged in the middle of the supporting cylinder, one end of a third inner ring is correspondingly arranged on the inner arc surface of the third magnetic steel, the other end of the third inner ring is fixedly connected with the supporting cylinder, the second hoop is arranged on the end surface of the third magnetic steel, the outer arc surface of the third magnetic steel is in adaptive connection with the inner arc surface of the shell, the second inner ring is in adaptive connection with one end of the second magnetic steel and the inner arc surface of the second magnetic steel, one end of the clapboard is fixedly connected with the other end of the second magnetic steel, the outer arc surface of the second magnetic steel is in adaptive connection with the inner arc surface of the shell, the other end of the clapboard is fixedly connected with one end of the first magnetic steel, the outer arc surface of the clapboard is in adaptive connection with the inner arc surface of the shell, and the first inner ring is correspondingly arranged on the inner arc surface of the, the outer arc surface of the first magnetic steel is connected with the inner arc surface of the shell in an adaptive manner, the first clamp is arranged on the end surface of the other end of the first magnetic steel, and one end, close to the third magnetic steel, of the supporting cylinder is fixedly provided with a magnetic conduction pole shoe;
the polarity of the first magnetic steel inner arc surface is the same as that of the second magnetic steel inner arc surface, and the polarity of the first magnetic steel inner arc surface is opposite to that of the third magnetic steel inner arc surface.
2. The magnetic field assembly of claim 1, wherein the outer arc surface of the housing has fixing blocks at both ends.
3. The magnetic field assembly of claim 2, wherein the mounting block is welded to the housing.
4. The magnetic field assembly of claim 3, wherein the left magnetic steel assembly and the right magnetic steel assembly are fixedly connected by screws.
5. The field assembly of claim 1, wherein the housing, the first inner ring, and the third inner ring are made of a magnetically conductive material.
6. The field assembly of claim 1, wherein the first yoke, the second inner ring, and the spacer are made of a non-magnetic material.
7. The magnetic field assembly of claim 1, wherein the first, second, and third magnetic steels are made of high remanence N52 ndfeb material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014024.3U CN210443519U (en) | 2019-11-20 | 2019-11-20 | Magnetic field assembly for large magnetron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014024.3U CN210443519U (en) | 2019-11-20 | 2019-11-20 | Magnetic field assembly for large magnetron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443519U true CN210443519U (en) | 2020-05-01 |
Family
ID=70412237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922014024.3U Active CN210443519U (en) | 2019-11-20 | 2019-11-20 | Magnetic field assembly for large magnetron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443519U (en) |
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2019
- 2019-11-20 CN CN201922014024.3U patent/CN210443519U/en active Active
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Address after: No. 818, wangcong East Road, Chengdu modern industrial port, Pidu District, Chengdu, Sichuan 610000 Patentee after: Chengdu 899 Technology Co.,Ltd. Address before: No. 818, wangcong East Road, Chengdu modern industrial port, Pidu District, Chengdu, Sichuan 610000 Patentee before: CHENGDU 899 SCIENCE AND TECHNOLOGY Co.,Ltd. |
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