CN207800859U - A kind of microstrip circulator - Google Patents
A kind of microstrip circulator Download PDFInfo
- Publication number
- CN207800859U CN207800859U CN201721816534.7U CN201721816534U CN207800859U CN 207800859 U CN207800859 U CN 207800859U CN 201721816534 U CN201721816534 U CN 201721816534U CN 207800859 U CN207800859 U CN 207800859U
- Authority
- CN
- China
- Prior art keywords
- cover board
- ferrite
- center conductor
- microstrip circulator
- pedestal
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of microstrip circulators, including pedestal and cover board, it is opened up on the pedestal fluted, the cover board be set to groove opening, from bottom portion of groove to cover board from set gradually the first even magnetic sheet, the first ferrite, center conductor, the second ferrite, the second even magnetic sheet and the second permanent magnet；Relative to traditional microstrip circulator, the utility model is by pedestal and cover board by encapsulated by structures such as even magnetic sheet, ferrite and center conductors, three stabilizer blades of center conductor are introduced by the micro-strip plate on open slot outside cavity, the magnetic circuit of the microstrip circulator of the utility model is closed, leakage field is small, magnetic aggregation is good, the structure made is easy to minimize, and adhesive is not necessarily between element connection, reliability is high, bears that power is big, use temperature range is wide, is suitable for the large-scale production of microstrip circulator.
Description
Technical field
The utility model belongs to field of radio frequency communication, and in particular to a kind of high-power microstrip circulator.
Background technology
With the rapid development of Micro-package technique, since the reliability and consistency of Micro-package technique are high, phased array at present
Radar T/R components gradually adopt micro- assembling mode to be assembled.Micro-group reload request is that device is microstrip structure, i.e. band
The circulator of shape cable architecture cannot meet technology requirement, and current microstrip circulator power is small, maximum bear power less than
10W, far from the requirement for meeting the generally minimum 200W of power, moreover, the microstrip line of microstrip circulator is relatively thin, long-time temperature
Impact easily makes micro-strip thread breakage or stripping, causes product failure, reliability is relatively low, moreover, because the circuit system of microstrip circulator
Make and ferrite substrate machining accuracy requires very high, the high processing costs of product, therefore, is made at present using ferrite substrate
For the microstrip circulator of circuit board, the requirement of high-power present situation, high reliability, inexpensive phased-array radar cannot be met.
Invention content
In view of the deficiencies in the prior art, the utility model provides a kind of microstrip circulator, solves existing
Microstrip circulator cannot meet the requirement of high-power and high-reliability, inexpensive phased-array radar.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution is achieved：
A kind of high-power microstrip circulator, including pedestal and cover board open up fluted, described cover board on the pedestal
Set on the opening of groove, from bottom portion of groove to cover board from set gradually the first even magnetic sheet, the first ferrite, center conductor,
Two ferrites, the second even magnetic sheet and the second permanent magnet；
The center conductor is in Y types, and three stabilizer blades of center conductor are mutually 120 ° symmetrically, on the side wall of the pedestal
Open slot corresponding with three stabilizer blades of center conductor is offered, the open slot is equipped with micro-strip plate, the micro-strip plate
Micro-strip plate face is equipped with conductive adhesive layer, and three stabilizer blades of the center conductor are connected on conductive adhesive layer.
The utility model also has following distinguishing feature：
First ferrite and the second ferrite periphery is arranged with locating ring.
Revolution is provided between second permanent magnet and cover board to stop.
The outer shape of the pedestal is cuboid, and the groove is cylinder.
The cover board side is equipped with screw thread, and the recess sidewall is equipped with the corresponding screw thread of screw thread of cover board.
It is additionally provided with the first permanent magnet between the first even magnetic sheet and bottom portion of groove.
Compared with prior art, the utility model has the beneficial effects that：
Relative to traditional microstrip circulator, the utility model is by pedestal and cover board by even magnetic sheet, ferrite and center
Three stabilizer blades of the encapsulated by structures such as conductor, center conductor are introduced by the micro-strip plate on open slot outside cavity, the utility model
The magnetic circuit of microstrip circulator is closed, leakage field is small, magnetic aggregation is good, and the structure made is easy to minimize, and between element connection
Without adhesive, reliability is high, bears that power is big, use temperature range is wide, is suitable for the large-scale production of microstrip circulator.
Other feature and advantage of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Fig. 1 is the explosive view of the microband connector of the utility model.
Fig. 2 is the schematic diagram after the microband connector installation of the utility model.
Each label is expressed as in figure：1- pedestals, 2- cover boards, the first permanent magnets of 3-, the first even magnetic sheets of 4-, 5- the first iron oxygen
Body, 6- center conductors, the second ferrites of 7-, the second even magnetic sheets of 8-, the second permanent magnets of 9-, 10- micro-strip plates, 11- conductive adhesive layers,
12- locating rings, 13- revolutions stop；
(1-1)-groove, (1-2)-open slot.
Explanation is further explained in detail to the particular content of the utility model below in conjunction with the drawings and specific embodiments.
Specific implementation mode
Be given below specific embodiment of the present utility model, it should be noted that the utility model be not limited to it is following
Specific embodiment, all equivalent transformations made on the basis of the technical solutions of the present application each fall within this scope of protection of the utility model.
As shown in Figure 1, the utility model discloses a kind of high-power microstrip circulator, including pedestal 1 and cover board 2, pedestal 1
On open up fluted 1-1, the cover board 2 is set to the opening of groove 1-1, from the bottoms groove 1-1 to cover board 2 from set gradually
First even magnetic sheet 4, the first ferrite 5, center conductor 6, the second ferrite 7, the second even magnetic sheet 8 and the second permanent magnet 9；It leads at center
Body 6 is in Y types, and three stabilizer blades of center conductor 6 are mutually 120 ° symmetrically, three with center conductor 6 are offered on the side wall of pedestal 1
The corresponding open slot 1-2 of stabilizer blade, open slot extend to base upper surface；Open slot 1-2 is equipped with micro-strip plate 10, wherein micro-strip
Plate can be connected to opening trench bottom with welding or the mode being glued；10 surface of micro-strip plate is equipped with conductive adhesive layer 11, center conductor 6
Three stabilizer blades are connected on conductive adhesive layer 11, and the stabilizer blade of center conductor after overlapping on micro-strip plate by guiding to outside cavity, three ends
The impedance of mouth is 50 Ω.
Specifically, the center conductor 6 of the utility model uses the copper strips of thickness 0.2mm to replace thickness for 3 μm~5 μm
Goldleaf, avoid goldleaf fracture and it is high-power when the breakdown phenomenon of goldleaf.
Relative to traditional microstrip circulator, the utility model is by pedestal and cover board by even magnetic sheet, ferrite and center
Three stabilizer blades of the encapsulated by structures such as conductor, center conductor are introduced by the micro-strip plate on open slot outside cavity, the utility model
The magnetic circuit of microstrip circulator is closed, leakage field is small, magnetic aggregation is good, and the structure made is easy to minimize, and between element connection
Without adhesive, reliability is high, bears that power is big, use temperature range is wide, is suitable for the large-scale production of microstrip circulator.
Specifically, the outer shape of pedestal 1 is cuboid, groove 1-1 is cylinder.So that each in circulator internal cavity
The Distribution of Magnetic Field at place is uniform.
Specifically, pedestal 1 be steel, surface may be used it is gold-plated, silver-plated, can also nickel plating.First ferrite 4 and second
Ferrite 6 can be the silver-plated microwave ferrite disk of two panels single side, and center conductor 5 is clipped in the first ferrite 4 and the second ferrite 6
The not centre of silvered face.Permanent magnet 8 can choose corresponding material according to product frequency characteristic, can be barium ferrite permanent magnetism
Body, or samarium cobalt permanent magnet body.5 electroplate of center conductor.
Specifically, 2 side of cover board is equipped with screw thread, groove 1-1 side walls are equipped with the corresponding screw thread of screw thread of cover board.Due to
It is screw threads for fastening structure between integral structure cover board and pedestal, after reducing screw connection unstability and shrinked aldehyde drying glue aging
Unreliable factor；The screw for reducing strip line circulator and connection connects, and product is suitble to the high reliable request such as aerospace, missile-borne.
Further, the first ferrite 5 and 7 periphery of the second ferrite are arranged with locating ring 12, and locating ring is stuck in ferrite
Between groove inner wall so that center conductor and ferritic concentricity are more accurate.Locating ring can be polytetrafluoroethylene ring or pottery
Ceramic ring while capable of being positioned to ferrite, shortens the transmission wavelength of electromagnetic wave, further reduces center conductor dimensions
And then reduce small product size.
Further, it is provided with revolution between the second permanent magnet 9 and cover board 2 and stops 13.Specifically, revolution only 10 can basis
Product temperature characteristic chooses corresponding material, can be dilval, or ferroalloy.When cover board screws in, the revolution
Mutual dislocation of material when spiral cover screws in caused by the mutual turn of storeroom between material deformation and material can only be prevented.
Further, it is uniform magnetization preferably to be carried out to ferrite, between the first even magnetic sheet 4 and the bottoms groove 1-1
It is additionally provided with the first permanent magnet 3.Due to ferritic uniform magnetization, be conducive to the extension of product bandwidth, realize that product is further
Miniaturization.
When assembly, micro-strip plate is welded on open slot 1-2 first；Then pedestal 1 is put into assembling jig, in groove
The bottoms 1-1 are sequentially placed into the first permanent magnet 3, the first even magnetic sheet 4 and locating ring 12, and locating ring is interference fit with groove walls, will
First ferrite 5 is bumped into locating ring 12, places into center conductor 6 so that three stabilizer blades of center conductor are overlapped on open slot
On the conductive adhesive layer 11 of three micro-strip plates 10 at place；Then locating ring 9, the second ferrite 7, the second even magnetic sheet 8, are sequentially placed into
Two permanent magnets 9 and revolution stop 13, are then threaded into magnetic conduction cover board 2.Compared with the prior art, the utility model is closed with magnetic circuit
It is good, leakage field is small, without adhesive and screw, be easy to that miniaturization, integrated level is high, reliability is high, big, temperature range of bearing power
Width, device overall performance is good, is easily assembled, and is suitable for high reliability environment and uses.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means, it is same as long as it is without prejudice to the thought of the utility model
It should be considered as content disclosed in the utility model.
Claims (6)
1. a kind of microstrip circulator, which is characterized in that including pedestal (1) and cover board (2), offered on the pedestal (1) recessed
Slot (1-1), the cover board (2) be set to groove (1-1) opening, from the groove bottom (1-1) to cover board (2) at set gradually
First even magnetic sheet (4), the first ferrite (5), center conductor (6), the second ferrite (7), the second even magnetic sheet (8) and the second permanent magnetism
Body (9)；
The center conductor (6) is in Y types, and three stabilizer blades of center conductor (6) are mutually 120 ° symmetrically, the pedestal (1)
Open slot (1-2) corresponding with three stabilizer blades of center conductor (6) is offered on side wall, the open slot (1-2) is equipped with
Micro-strip plate (10), described micro-strip plate (10) the micro-strip plate face are equipped with conductive adhesive layer (11), three branch of the center conductor (6)
Foot is connected on conductive adhesive layer (11).
2. microstrip circulator as described in claim 1, which is characterized in that first ferrite (5) and the second ferrite
(7) periphery is arranged with locating ring (12).
3. microstrip circulator as described in claim 1, which is characterized in that between second permanent magnet (9) and cover board (2)
It is provided with revolution and stops (13).
4. microstrip circulator as described in claim 1, which is characterized in that the outer shape of the pedestal (1) is cuboid,
The groove (1-1) is cylinder.
5. microstrip circulator as described in claim 1, which is characterized in that described cover board (2) side is equipped with screw thread, described
Groove (1-1) side wall is equipped with screw thread corresponding with the screw thread of cover board.
6. microstrip circulator as described in claim 1, which is characterized in that the first even magnetic sheet (4) and the bottom groove (1-1)
The first permanent magnet (3) is additionally provided between portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816534.7U CN207800859U (en) | 2017-12-22 | 2017-12-22 | A kind of microstrip circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816534.7U CN207800859U (en) | 2017-12-22 | 2017-12-22 | A kind of microstrip circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800859U true CN207800859U (en) | 2018-08-31 |
Family
ID=63280861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721816534.7U Expired - Fee Related CN207800859U (en) | 2017-12-22 | 2017-12-22 | A kind of microstrip circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800859U (en) |
-
2017
- 2017-12-22 CN CN201721816534.7U patent/CN207800859U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |