CN209016243U - A kind of microwave ferrite isolator cavity - Google Patents
A kind of microwave ferrite isolator cavity Download PDFInfo
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- CN209016243U CN209016243U CN201821716563.0U CN201821716563U CN209016243U CN 209016243 U CN209016243 U CN 209016243U CN 201821716563 U CN201821716563 U CN 201821716563U CN 209016243 U CN209016243 U CN 209016243U
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- microwave ferrite
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Abstract
The utility model provides a kind of microwave ferrite isolator cavity, is related to isolator cavity design field.Realize easy to produce and assembling, high production efficiency, small volume, the high effect of integration.The microwave ferrite isolator cavity, including upper cover plate, lower cover plate, isolating device and attachment device, the lower cover plate is fixedly mounted on the bottom end of upper cover plate, the isolating device is fixedly mounted between upper cover plate and lower cover plate, the attachment device is fixedly mounted on the junction of upper cover plate Yu lower cover plate two sides, stepped hole is offered at the top of the shell, the internal activity of the stepped hole is connected with bolt, recessed groove is provided at the top of the shell, the inside on the bottom plate top is fixedly installed with locating slot.This kind of microwave ferrite isolator cavity by the interference fit for component and squeezes positioning, easy to produce and assembling, high production efficiency, and increases inside cavity space to reduce the volume of isolator entirety, and integration is high.
Description
Technical field
The utility model relates to isolator cavity design technical fields, are particularly a kind of microwave ferrite isolator chamber
Body.
Background technique
Ferrite is the ceramics magnetic material that a kind of metal oxide is constituted, using this material in D.C. magnetic field and micro-
The gyromagnetic effect showed under wave field collective effect can be made into microwave ferrite isolator, can play intermediate interval in electronic system
From, prevent string resistance interference guard, it is anti-matching, antenna duplexer and go misfortune effect, so that reaching protection system improves its stability, reliably
The purpose of property, the fast development of modern communication and radar system also promote the development of microwave ferrite isolator, and gradually
Play its increasingly important role.
But the requirement with the continuous progress of science and technology, for microwave ferrite isolator volume is also higher and higher, traditional
Isolator is slowly unable to satisfy requirement of the instrument for integrated level, and the most important core component of isolator is exactly cavity, now
The manufacture of cavity is mostly monoblock cast and two kinds of components welding, monoblock cast higher cost, and technology difficulty is larger and low efficiency, group
Although part welding efficiency in component production is higher, due to small volume, welding difficulty is high.
Utility model content
Goal of the invention provided by the utility model is to provide a kind of microwave ferrite isolator cavity, the microwave ferrite
Isolator cavity, benefit are by the interference fit for component and to squeeze positioning, easy to produce and assembling, production efficiency
Height, small volume, integration are high.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of microwave ferrite isolation
Device cavity, including upper cover plate, lower cover plate, isolating device and attachment device, the lower cover plate are fixedly mounted on the bottom end of upper cover plate,
The isolating device is fixedly mounted between upper cover plate and lower cover plate, and the attachment device is fixedly mounted on upper cover plate and lower cover plate
The junction of two sides.
The upper cover plate includes shell, stepped hole, bolt, recessed groove, and stepped hole, institute are offered at the top of the shell
The internal activity for stating stepped hole is connected with bolt, is provided with recessed groove at the top of the shell.
The lower cover plate includes bottom plate, copper sheet, supported chip, fixed column, locating slot, the fixed peace in the top of the bottom plate
Equipped with copper sheet, supported chip is fixedly installed at the top of the copper sheet, the top of the bottom plate is fixedly installed with fixed column, described
The inside on bottom plate top is fixedly installed with locating slot.
The isolating device includes that cavity, positive stop strip, permanent magnet, even magnetic sheet, dielectric ring, microwave ferrite, center are led
Body, the first pin, second pin, third pin, temperature-compensating plate, magnetic circuit plate are fixedly installed with limit on the inside of the cavity
Item, the bottom end of the inside cavity are fixedly installed with permanent magnet, and the top of the permanent magnet is connected with even magnetic sheet, described even
The top of magnetic sheet is connected with dielectric ring, and the top of the dielectric ring is connected with microwave ferrite, the microwave iron oxygen
The top of body is connected with center conductor, and the periphery of the center conductor is fixedly installed with the first pin, second pin and
Three pins, the top of the center conductor are connected with temperature-compensating plate, and the top of the temperature-compensating plate is connected with
Magnetic circuit plate.
The attachment device includes positioning column, half slot, rectangular channel, connector, fixed ring, limited block, the positioning
The inside of column offers half slot, and the bottom end of the half slot offers rectangular channel, connection is fixedly connected on the positioning column
Head is fixedly installed with fixed ring on the outside of the connector, and the upper and lower ends of the fixed ring are fixedly installed with limited block.
Preferably, the bottom end of upper cover plate corresponding to the recessed groove has the rotary table of protrusion, and the two sides of the shell are opened
Equipped with slot symmetrical in positioning column.
Preferably, the inside of the fixed top end offers screw thread, and the upper cover plate and lower cover plate are bolted
Connection.
Preferably, the quantity of the locating slot and cavity is three, and the locating slot and cavity are interference fit.
Preferably, first pin, second pin and third pin are each passed through the gap between three cavitys, and institute
It states the first pin and third pin is fixedly connected with the connector at both ends, the second pin is fixedly connected with supported chip.
Preferably, the permanent magnet, even magnetic sheet, dielectric ring, microwave ferrite, center conductor, temperature-compensating plate and magnetic circuit
Plate is movably connected in the inside of cavity, and the diameter of the magnetic circuit plate is greater than positive stop strip race diameter, less than the inner ring of cavity
Diameter.
The utility model provides a kind of microwave ferrite isolator cavity.Have it is following the utility model has the advantages that
1, the microwave ferrite isolator cavity, interference fit and shell bottom by locating slot on cavity and lower cover plate
End protrusion rotary table and squeeze, complete positioning for cavity, assembling is simple, improves the efficiency of production.
2, the microwave ferrite isolator cavity, the fixed dress of connector being fixedly mounted by upper cover plate and lower cover plate two sides
It sets, assembling is simple and does not need the retaining elements such as welding or other screws, has saved cost, has improved isolator inner space
The volume for just reducing isolator entirety simultaneously, ensure that the integration of isolator.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model isolating device；
Fig. 3 is the cross-sectional view of the utility model attachment device structure.
In figure: 1 upper cover plate, 11 shells, 12 stepped holes, 13 bolts, 14 recessed grooves, 2 lower cover plates, 21 bottom plates, 22 copper sheets, 23
Supported chip, 24 fixed columns, 25 locating slots, 3 isolating devices, 31 cavitys, 32 positive stop strips, 33 permanent magnets, 34 even magnetic sheets, 35 media
Ring, 36 microwave ferrites, 37 center conductors, 371 first pins, 372 second pins, 373 third pins, 38 temperature-compensating plates,
39 magnetic circuit plates, 4 attachment devices, 41 positioning columns, 42 half slots, 43 rectangular channels, 44 connectors, 45 fixed rings, 46 limited blocks.
Specific embodiment
As shown in Figure 1-3, a kind of microwave ferrite isolator cavity, including upper cover plate 1, lower cover plate 2,3 and of isolating device
Attachment device 4, lower cover plate 2 are fixedly mounted on the bottom end of upper cover plate 1, and isolating device 3 is fixedly mounted on upper cover plate 1 and lower cover plate 2
Between, attachment device 4 is fixedly mounted on the junction of upper cover plate 1 Yu 2 two sides of lower cover plate.
Upper cover plate 1 includes shell 11, stepped hole 12, bolt 13, recessed groove 14, and the top of shell 11 offers stepped hole
12, the internal activity of stepped hole 12 is connected with bolt 13, and the top of shell 11 is provided with recessed groove 14, corresponding to recessed groove 14
The bottom end of upper cover plate 1 has the rotary table of protrusion, and the two sides of shell 11 offer and slot symmetrical in positioning column 41.
Lower cover plate 2 includes bottom plate 21, copper sheet 22, supported chip 23, fixed column 24, locating slot 25, the top of bottom plate 21
It is fixedly installed with copper sheet 22, the top of copper sheet 22 is fixedly installed with supported chip 23, and the top of bottom plate 21 is fixedly installed with fixation
Column 24, the inside on 24 top of fixed column offer screw thread, upper cover plate 1 and lower cover plate 2 and are fixedly connected by bolt 13, and bottom plate 21 pushes up
The inside at end is fixedly installed with locating slot 25, and locating slot 25 and the quantity of cavity 31 are three, and locating slot 25 is with cavity 31
Interference fit.
Isolating device 3 includes cavity 31, positive stop strip 32, permanent magnet 33, even magnetic sheet 34, dielectric ring 35, microwave ferrite
36, center conductor 37, the first pin 371, second pin 372, third pin 373, temperature-compensating plate 38, magnetic circuit plate 39, cavity
31 inside is fixedly installed with positive stop strip 32, and the bottom end inside cavity 31 is fixedly installed with permanent magnet 33, the top of permanent magnet 33
It is connected with even magnetic sheet 34, the top of even magnetic sheet 34 is connected with dielectric ring 35, and the top of dielectric ring 35 is connected with
Microwave ferrite 36, the top of microwave ferrite 36 are connected with center conductor 37, and the periphery of center conductor 37 is fixedly mounted
There are the first pin 371, second pin 372 and third pin 373, the first pin 371, second pin 372 and third pin 373 divide
Gap not across three cavitys 31, and the first pin 371 and third pin 373 and the fixed company of the connector 44 at both ends
It connects, second pin 372 is fixedly connected with supported chip 23, and the top of center conductor 37 is connected with temperature-compensating plate 38, temperature
The top of degree compensating plate 38 is connected with magnetic circuit plate 39, permanent magnet 33, even magnetic sheet 34, dielectric ring 35, microwave ferrite 36, in
Heart conductor 37, temperature-compensating plate 38 and magnetic circuit plate 39 are movably connected in the inside of cavity 31, and the diameter of magnetic circuit plate 39 is greater than
32 race diameter of positive stop strip passes through the interference fit of locating slot 25 on cavity 31 and lower cover plate 2 less than the inner ring diameter of cavity 31
And 11 bottom end of shell protrusion rotary table and squeeze, complete positioning for cavity 31, assembling is simple, improves the effect of production
Rate.
Attachment device 4 includes positioning column 41, half slot 42, rectangular channel 43, connector 44, fixed ring 45, limited block 46,
The inside of positioning column 41 offers half slot 42, and the bottom end of half slot 42 offers rectangular channel 43, is fixedly connected on positioning column 41
There is connector 44, the outside of connector 44 is fixedly installed with fixed ring 45, and the upper and lower ends of fixed ring 45 are fixedly installed with limit
Block 46, the fixed device of connector 44 being fixedly mounted by upper cover plate 1 and 2 two sides of lower cover plate, assembling is simple and does not need to weld
Or the retaining elements such as other screws, cost has been saved, isolator entirety is just reduced while improving isolator inner space
Volume, ensure that the integration of isolator.
In use, first copper sheet 22 and supported chip 23 are fixedly mounted on bottom plate 21, by cavity 31 and bottom plate 21
The interference fit of locating slot 25 is fixedly connected on cavity 31 on bottom plate 21, then by permanent magnet 33, even magnetic sheet 34, dielectric ring
35, microwave ferrite 36, center conductor 37, temperature-compensating plate 38 and magnetic circuit plate 39 are fixedly connected sequentially in the inside of cavity 31,
It is fixedly connected with the first pin 371, second pin 372 and third pin 373 on center conductor 37, and is each passed through three cavitys
Gap between 31, the first pin 371 and third pin 373 are fixedly connected on the connector 44 at both ends, and second pin 372 is solid
Surely it is connected on supported chip 23, and magnetic circuit plate 39 is located on the positive stop strip 32 inside cavity 31, through bolt 13 under
Upper cover plate 1 is fixedly connected by the fixed column on cover board 2 with lower cover plate 2, and the rotary table of 11 bottom end of shell protrusion and upper surface can be right
Magnetic circuit plate 39 and cavity 31 are squeezed, and the closed and secondary extrusion of 31 upper end of cavity is fixed in realization, and upper cover plate 1 is under
The fixation device of connector 44 and half slot 42, rectangular channel 43 and compatible fixed ring 45 of the fixed installation of 2 two sides of cover board,
The design of limited block 46 completes the fixed installation for connector 44, thus complete in the case where not needing welding and screw fixing situation
In pairs in the installation of isolator whole components.
Claims (6)
1. a kind of microwave ferrite isolator cavity, including upper cover plate (1), lower cover plate (2), isolating device (3) and attachment device
(4), it is characterised in that: the lower cover plate (2) is fixedly mounted on the bottom end of upper cover plate (1), and the isolating device (3) is fixedly mounted
Between upper cover plate (1) and lower cover plate (2), the attachment device (4) is fixedly mounted on upper cover plate (1) and lower cover plate (2) two sides
Junction；
The upper cover plate (1) includes shell (11), stepped hole (12), bolt (13), recessed groove (14), the shell (11)
Top offers stepped hole (12), and the internal activity of the stepped hole (12) is connected with bolt (13), the top of the shell (11)
Portion is provided with recessed groove (14)；
The lower cover plate (2) includes bottom plate (21), copper sheet (22), supported chip (23), fixed column (24), locating slot (25),
The top of the bottom plate (21) is fixedly installed with copper sheet (22), is fixedly installed with supported chip at the top of the copper sheet (22)
(23), the top of the bottom plate (21) is fixedly installed with fixed column (24), and the inside on bottom plate (21) top is fixedly installed with
Locating slot (25)；
The isolating device (3) includes cavity (31), positive stop strip (32), permanent magnet (33), even magnetic sheet (34), dielectric ring
(35), microwave ferrite (36), center conductor (37), the first pin (371), second pin (372), third pin (373), temperature
Compensating plate (38), magnetic circuit plate (39) are spent, are fixedly installed with positive stop strip (32) on the inside of the cavity (31), in the cavity (31)
The bottom end in portion is fixedly installed with permanent magnet (33), and the top of the permanent magnet (33) is connected with even magnetic sheet (34), described even
The top of magnetic sheet (34) is connected with dielectric ring (35), and the top of the dielectric ring (35) is connected with microwave ferrite
(36), the top of the microwave ferrite (36) is connected with center conductor (37), and the periphery of the center conductor (37) is solid
Dingan County is equipped with the first pin (371), second pin (372) and third pin (373), the top activity of the center conductor (37)
It is connected with temperature-compensating plate (38), the top of the temperature-compensating plate (38) is connected with magnetic circuit plate (39)；
The attachment device (4) includes positioning column (41), half slot (42), rectangular channel (43), connector (44), fixed ring
(45), the inside of limited block (46), the positioning column (41) offers half slot (42), and the bottom end of the half slot (42) opens up
Have rectangular channel (43), is fixedly connected with connector (44) on the positioning column (41), the fixed peace in the outside of the connector (44)
Equipped with fixed ring (45), the upper and lower ends of the fixed ring (45) are fixedly installed with limited block (46).
2. a kind of microwave ferrite isolator cavity according to claim 1, it is characterised in that: recessed groove (14) institute
The bottom end of corresponding upper cover plate (1) has the rotary table of protrusion, and the two sides of the shell (11) offer and positioning column (41) interior phase
Mutual symmetrical slot.
3. a kind of microwave ferrite isolator cavity according to claim 1, it is characterised in that: fixed column (24) top
The inside at end offers screw thread, and the upper cover plate (1) is fixedly connected with lower cover plate (2) by bolt (13).
4. a kind of microwave ferrite isolator cavity according to claim 1, it is characterised in that: the locating slot (25) with
The quantity of cavity (31) is three, and the locating slot (25) and cavity (31) are interference fit.
5. a kind of microwave ferrite isolator cavity according to claim 1, it is characterised in that: first pin
(371), second pin (372) and third pin (373) are each passed through the gap between three cavitys (31), and described first draws
Foot (371) and third pin (373) are fixedly connected with the connector (44) at both ends, the second pin (372) and supported chip
(23) it is fixedly connected.
6. a kind of microwave ferrite isolator cavity according to claim 1, it is characterised in that: the permanent magnet (33),
Even magnetic sheet (34), dielectric ring (35), microwave ferrite (36), center conductor (37), temperature-compensating plate (38) and magnetic circuit plate (39)
It is movably connected in the inside of cavity (31), and the diameter of the magnetic circuit plate (39) is greater than positive stop strip (32) race diameter, is less than
The inner ring diameter of cavity (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716563.0U CN209016243U (en) | 2018-10-23 | 2018-10-23 | A kind of microwave ferrite isolator cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716563.0U CN209016243U (en) | 2018-10-23 | 2018-10-23 | A kind of microwave ferrite isolator cavity |
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| Publication Number | Publication Date |
|---|---|
| CN209016243U true CN209016243U (en) | 2019-06-21 |
Family
ID=66839496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821716563.0U Active CN209016243U (en) | 2018-10-23 | 2018-10-23 | A kind of microwave ferrite isolator cavity |
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| CN (1) | CN209016243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258744A1 (en) * | 2020-06-22 | 2021-12-30 | 深圳市华扬通信技术有限公司 | Low-field assembled isolator |
-
2018
- 2018-10-23 CN CN201821716563.0U patent/CN209016243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258744A1 (en) * | 2020-06-22 | 2021-12-30 | 深圳市华扬通信技术有限公司 | Low-field assembled isolator |
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