CN106872916A - A kind of ferrite detection means - Google Patents
A kind of ferrite detection means Download PDFInfo
- Publication number
- CN106872916A CN106872916A CN201710220032.6A CN201710220032A CN106872916A CN 106872916 A CN106872916 A CN 106872916A CN 201710220032 A CN201710220032 A CN 201710220032A CN 106872916 A CN106872916 A CN 106872916A
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- China
- Prior art keywords
- ferrite
- detection components
- pedestal
- detection means
- detection
- 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
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000005291 magnetic effect Effects 0.000 claims description 17
- 230000006641 stabilisation Effects 0.000 abstract description 6
- 238000011105 stabilization Methods 0.000 abstract description 6
- 241000282472 Canis lupus familiaris Species 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005350 ferromagnetic resonance Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000005418 spin wave Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1253—Measuring galvano-magnetic properties
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
The invention provides a kind of ferrite detection means, it can be used for quickly detecting to ferrite, and ensure the position stabilization of the remaining part of whole device so that detection is reliable and stable.It includes pedestal, the center of the pedestal is provided with inner groovy, the upper surface of the pedestal is additionally provided with two holding wire incoming ends, one load, lower house is located in the inner groovy, the surface loop that the outer ring surface of the lower house corresponds to the pedestal is furnished with N number of recessed location hole, wherein N >=2, the center of the lower house is provided with center inward recess, positioning is equipped with lower detection components in the center inward recess, the outer portion side of the lower detection components is convex three pins, three pins distinguish two holding wire incoming ends that external correspondence connects its correspondence position, one load, ensure each pin to that there should be unique External connecting part, it also includes upper shell, the lower subordinate of the outer ring surface of the upper shell is convex N number of lower dog.
Description
Technical field
The present invention relates to the technical field of wireless telecommunications system, specially a kind of ferritic detection means.
Background technology
In existing wireless communication system, emitter is that have an important part, by power amplifier (PA),
The part such as coupler, circulator/isolator, connector, duplexer and antenna constitutes, and wherein coupler is used for the related prison of link
Brake, circulator or isolator (circulator constitutes isolator with power absorption load combinations) are connected for protecting power tube
Output signal is transferred to duplexer by device.All it is similar design in wireless domain, but with Development of Wireless Communications, to small-sized
The requirement more and more higher of change.
, also known as gyromagnetic ferrite, under high frequency magnetic field effect, plane polarized electromagnetic wave is in ferrite for microwave ferrite
When being propagated according to certain orientation, the Ferrite Material that plane of polarization constantly can rotate around the direction of propagation.With ferromagnetic resonance line width it is small,
Spin wave resonance linewidth is big, in low-frequency range, saturation magnetization is low and magnetocrystalline anisotropy constant is small, dielectric loss is low, stabilization
The performance such as property is high.Using electronic ceramic process, sintering is fabricated by hot pressed sintering or oxygen atmosphere, is mainly used in making millimeter wave
Ferrite device.
In the prior art, circulator/isolator is required to use ferrite, ferrite it is current be powder mixing, pressure
Casting, sintering, machining, brush silver layer are made.So being typically all using measurement appearance and size, flatness, coarse in industry
The parameters such as degree, density, dielectric indirectly assess ferritic gyromagnet performance, and this method can not accurately assess ferritic property
Can, therefore the manufacturer of circulator/isolator also needs further to detect ferrite, so as to assess ferritic performance.
After the production plant of existing isolator receives ferrite, same batch random selection 10 assembles 5 isolators,
The S parameter of isolator is tested, ferritic performance is assessed with this.The method can directly be seen that whether detected ferrite can be with
Meet and require.But because isolator technics comparing is complicated, there are more than ten procedures, commonly taking up expense 1-2 hours can just be tied
By.And conclusion is also easier affected by other factors, such as 5 product magnet differ in the position of respective cavities
Cause, there is deviation etc. all to be impacted to testing result between circuit.
For this circulator/isolator manufacturer be badly in need of it is a kind of can with the device of quick detection ferrite performance so that
So that the ferritic fast and reliable stabilization of detection.
The content of the invention
Regarding to the issue above, the invention provides a kind of ferritic detection means, it can be carried out quickly to ferrite
Detection, and ensure the position stabilization of the remaining part of whole device so that detection is reliable and stable.
A kind of ferritic detection means, it is characterised in that:It includes pedestal, in the center of the pedestal is provided with
Groove, the upper surface of the pedestal is additionally provided with two holding wire incoming ends, a load, and lower house is located at the inner groovy
Interior, the outer ring surface of the lower house is furnished with N number of recessed location hole, wherein N >=2 corresponding to the surface loop of the pedestal, described
The center of lower house is provided with positioning in center inward recess, the center inward recess and lower detection components, the lower inspection is housed
Survey component outer portion side it is convex have three pins, external correspondence connects two holding wires of its correspondence position and connects respectively for three pins
Enter end, a load, it is ensured that to that there should be unique External connecting part, it also includes upper shell to each pin, the upper shell
The lower subordinate of outer ring surface is convex N number of lower dog, and the lower convex portion of the lower dog of detection state corresponds and is flush-mounted in the positioning
In hole, the center lower end of the upper shell is provided with inner chamber, and there is positioning the inner chamber equipped with upper detection components, the upper detection group
It is used to clamp corresponding ferrite to be detected between the upper surface of the lower surface of part and the lower detection components.
It is further characterized by:
The outer collarette of the upper surface of the lower house is furnished with least two screwed holes, and the anchor ring of the upper shell corresponds to institute
The position for stating the screwed hole of lower house is provided with corresponding through hole, and it is right that set screw correspondence is anchored on after the through hole
The screwed hole answered, it is ensured that the lower surface of upper detection components be close to ferritic upper surface to be detected, the lower detection components it is upper
End face is close to ferritic lower surface to be detected;
The correspondence position on the through hole top is provided with avoidance hole slot, and its length for ensuring set screw can be relatively
It is small, it is ensured that operation is quickly carried out;
Spring structure, the spring are disposed between the upper surface of the inner chamber upper wall of the upper shell and the upper detection components
The upper surface of the lower surface of structure and the upper detection components is connected to become black box, the upper surface connection of the spring structure
The inner chamber upper wall of the upper shell, it causes that spring structure can integrally drive the upper detection components to press vertically downward, it is ensured that on
Corresponding ferrite to be detected is clamped between the upper surface of the lower surface of detection components and the lower detection components;
The integral thickness of the lower detection components less than center inward recess thickness, ferrite to be detected be embedded in it is described in
The top layer location arrangements of intracardiac shrinkage pool;
The convex upper surface in the pedestal in upper end of the lower house, the upper end of the lower house externally protrudes out in described
The part ring of pedestal is furnished with three gathering sills, and three pins extend through and two of correspondence position are external in after corresponding gathering sill
Holding wire incoming end, a load;
The lower detection components stack gradually be disposed with circuit part, the first ferrite, the first magnetic conduction sheet, from top to bottom
One magnet, the circuit part is provided with the pin described in three;
The upper detection components stack gradually be disposed with the second magnet, the second magnetic conduction sheet from top to bottom;
Second magnet, the first magnet are same magnet, and first magnetic conduction sheet, the second magnetic conduction sheet are identical magnetic conduction
Piece.
After adopting the above technical scheme, the lower convex portion of the lower dog of detection state corresponds is flush-mounted in the location hole
It is interior so that for clamping corresponding iron oxygen to be detected between the lower surface of upper detection components and the upper surface of the lower detection components
Body, while the two-port of Network Analyzer is respectively connecting to two holding wire incoming ends of the upper surface of pedestal, in network point
See whether the S parameter of the isolator of new composition meets the requirements in analyzer, it just can fast and accurately assess iron before manufacture
The performance of oxysome, greatly improves detection efficiency;And ensuring the position stabilization of the remaining part of whole device so that detection is reliable
Stabilization.
Brief description of the drawings
Fig. 1 is the structural representation stereogram of assembling explosive view of the invention;
Fig. 2 is the three-dimensional figure structure schematic representation after present invention assembling;
Fig. 3 is the schematic diagram that the present invention is tested by Network Analyzer;
Title in figure corresponding to sequence number is as follows:
The RF coaxial of the flanged plate joint of pedestal 1, inner groovy 2, holding wire incoming end 3, PCB 3-1, SMA connects
Connect device 3-2, load 4, lower house 5, location hole 6, center inward recess 7, lower detection components 8, pin 9, upper shell 10, lower dog
11st, inner chamber 12, upper detection components 13, ferrite to be detected 14, screwed hole 15, through hole 16, avoidance hole slot 17, spring structure
18th, gathering sill 19, circuit part 20, the first ferrite 21, the first magnetic conduction sheet 22, the first magnet 23, the second magnet 24, second are led
Magnetic sheet 25, Network Analyzer 26.
Specific embodiment
A kind of ferritic detection means, is shown in Fig. 1, Fig. 2:It includes pedestal 1, and the center of pedestal 1 is provided with indent
Groove 2, the upper surface of pedestal 1 is additionally provided with two holding wire incoming ends, 3, load 4, and lower house 5 is located in inner groovy 2, under
The surface loop that the outer ring surface of housing 5 corresponds to pedestal is furnished with N number of recessed location hole 6, wherein N >=2, the centre bit of lower house 5
Install and be equipped with center inward recess 7, positioning is equipped with lower detection components 8 in center inward recess 7, the outer portion side of lower detection components 8 is convex
There are three pins 9, three pins 9 distinguish two holding wire incoming ends, 3, load 4 that external correspondence connects its correspondence position,
Ensure that each pin 9 pairs there should be unique External connecting part, it also includes upper shell 10, the lower subordinate of the outer ring surface of upper shell 10
Convex to have N number of lower dog 11, the lower convex portion of the lower dog 11 of detection state corresponds and is flush-mounted in location hole 6, upper shell 5
Center lower end is provided with inner chamber 12, and there is positioning inner chamber 12 equipped with upper detection components 13, the lower surface of upper detection components 13 and lower inspection
It is used to clamp corresponding ferrite to be detected 14 between surveying the upper surface of component 8.
The outer collarette of the upper surface of lower house 5 is furnished with least two screwed holes 15, and the anchor ring of upper shell 10 corresponds to lower casing
The position of the screwed hole 15 of body is provided with corresponding through hole 16, and set screw (is not drawn into figure, belongs to existing mature structure)
Correspondence is anchored on corresponding screwed hole 15 after through hole 16, it is ensured that be close to iron oxygen to be detected in the lower surface of upper detection components 13
The lower surface of ferrite to be detected 14 is close in the upper surface of body 14, the upper surface of lower detection components 8;
The correspondence position on the top of through hole 16 is provided with avoidance hole slot 17, and its length for ensuring set screw can be relatively
It is small, it is ensured that operation is quickly carried out;
Spring structure 18, spring structure 18 are disposed between the inner chamber upper wall of upper shell 10 and the upper surface of upper detection components 13
Lower surface and the upper surface of upper detection components 13 be connected to become black box, the upper surface connection upper shell 10 of spring structure 18
Inner chamber upper wall, it causes that spring structure 18 can integrally drive detection components 13 to press vertically downward, it is ensured that upper detection components 13
Lower surface and lower detection components 8 upper surface between clamp corresponding ferrite to be detected 14;
The integral thickness of lower detection components 8 is less than the thickness of center inward recess 7, and ferrite to be detected 14 is embedded in center
The top layer location arrangements of shrinkage pool 7;
The convex upper surface in pedestal 1 in upper end of lower house 5, the upper end of lower house 5 externally protrudes out in the part ring of pedestal 1
It is furnished with three gathering sills 19, three pins 9 extend through two holding wires that correspondence position is external in after corresponding gathering sill 19
3, load 4 of incoming end;
Lower detection components 8 stack gradually be disposed with circuit part 20, the first ferrite 21, the first magnetic conduction sheet from top to bottom
22nd, the pin 3 for being equipped with three is set up separately in the first magnet 23, circuit portion 20;
Upper detection components 13 stack gradually be disposed with the second magnet 24, the second magnetic conduction sheet 25 from top to bottom;
Second magnet 24, the first magnet 23 are same magnet, and the first magnetic conduction sheet 25, the second magnetic conduction sheet 22 are identical magnetic conduction
Piece.
In specific embodiment:Upper shell 5, lower house 10 are steel matter and are made, and pedestal 1 is copper-based seat, and load 4 has
Body is 250W, 50 ohm of radio-frequency resistance, and holding wire incoming end 3 includes penetrating for the PCB flanged plate joint of 3-1 and SMA
Frequency coaxial connector 3-2 combines to be formed.
The surface loop that the outer ring surface of lower house corresponds to pedestal is furnished with 3 recessed location holes, the outer ring surface of upper shell
Lower subordinate is convex 3 lower dogs, and the lower convex portion of the lower dog of detection state corresponds and is flush-mounted in location hole;Lower house
The outer collarette of upper surface is furnished with two screwed holes.
Its operation principle is following, see Fig. 3:The lower convex portion of lower dog 11 corresponds and is flush-mounted in location hole 6 and passes through
Set screw causes that upper shell 10, the lock-bit of lower house 2 are connected, while causing upper detection components 13 in the presence of spring structure 18
Push, and then cause to clamp corresponding iron oxygen to be detected between the lower surface of upper detection components 13 and the upper surface of lower detection components 8
Body 14, while the two-port of Network Analyzer 26 is respectively connecting to two holding wire incoming ends 3 of the upper surface of pedestal 1,
See whether the S parameter of the isolator of new composition meets the requirements on Network Analyzer, it can before manufacture just can be fast and accurately
Ferritic performance is assessed, detection efficiency is greatly improved.
Specific embodiment of the invention has been described in detail above, but content is only the preferable implementation of the invention
Example, it is impossible to be considered as the practical range for limiting the invention.All impartial changes made according to the invention application range
Change and improve etc., all should still belong within this patent covering scope.
Claims (9)
1. a kind of ferrite detection means, it is characterised in that:It includes pedestal, and the center of the pedestal is provided with indent
Groove, the upper surface of the pedestal is additionally provided with two holding wire incoming ends, a load, and lower house is located in the inner groovy,
The surface loop that the outer ring surface of the lower house corresponds to the pedestal is furnished with N number of recessed location hole, wherein N >=2, the lower casing
The center of body is provided with positioning in center inward recess, the center inward recess and lower detection components, the lower detection group is housed
The outer portion side of part is convex three pins, and three pins distinguish two holding wires access that external correspondence connects its correspondence position
End, a load, it is ensured that to that should have unique External connecting part, it also includes upper shell to each pin, outside the upper shell
The lower subordinate of anchor ring is convex N number of lower dog, and the lower convex portion of the lower dog of detection state corresponds and is flush-mounted in the location hole
Interior, the center lower end of the upper shell is provided with inner chamber, and there is positioning the inner chamber equipped with upper detection components, the upper detection components
Lower surface and the lower detection components upper surface between for clamping corresponding ferrite to be detected.
2. a kind of ferrite detection means as claimed in claim 1, it is characterised in that:The periphery of the upper surface of the lower house
Ring is furnished with least two screwed holes, and the position that the anchor ring of the upper shell corresponds to the screwed hole of the lower house is provided with correspondence
Through hole, set screw correspondence is anchored on corresponding screwed hole after the through hole, it is ensured that the lower end of upper detection components
It is close to ferritic upper surface to be detected, the upper surface of the lower detection components and is close to ferritic lower end to be detected in face.
3. a kind of ferrite detection means as claimed in claim 2, it is characterised in that:The correspondence position on the through hole top
It is provided with avoidance hole slot.
4. a kind of ferrite detection means as claimed in claim 1 or 2, it is characterised in that:The inner chamber upper wall of the upper shell
Spring structure, the lower surface of the spring structure and the upper detection components are disposed with and between the upper surface of the upper detection components
Upper surface be connected to become black box, the upper surface of the spring structure connects the inner chamber upper wall of the upper shell.
5. a kind of ferrite detection means as claimed in claim 1, it is characterised in that:The integral thickness of the lower detection components
Less than the thickness of center inward recess, ferrite to be detected is embedded in the top layer location arrangements of the center inward recess.
6. a kind of ferrite detection means as claimed in claim 1, it is characterised in that:The upper end of the lower house it is convex in
The upper surface of the pedestal, the part ring that the upper end of the lower house externally protrudes out in the pedestal is furnished with three gathering sills, three
Pin extends through two holding wire incoming ends, the load that correspondence position is external in after corresponding gathering sill.
7. a kind of ferrite detection means as claimed in claim 1, it is characterised in that:The lower detection components from top to bottom according to
Sublevel laying up is equipped with circuit part, the first ferrite, the first magnetic conduction sheet, the first magnet, and the circuit part is provided with three institutes
The pin stated.
8. a kind of ferrite detection means as claimed in claim 7, it is characterised in that:The upper detection components from top to bottom according to
Sublevel laying up is equipped with the second magnet, the second magnetic conduction sheet.
9. a kind of ferrite detection means as claimed in claim 8, it is characterised in that:Second magnet, the first magnet are
Same magnet, first magnetic conduction sheet, the second magnetic conduction sheet are identical magnetic conduction sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710220032.6A CN106872916B (en) | 2017-04-06 | 2017-04-06 | Ferrite detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710220032.6A CN106872916B (en) | 2017-04-06 | 2017-04-06 | Ferrite detection device |
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Publication Number | Publication Date |
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CN106872916A true CN106872916A (en) | 2017-06-20 |
CN106872916B CN106872916B (en) | 2023-12-05 |
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ID=59160809
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112731039A (en) * | 2020-12-31 | 2021-04-30 | 昆山联滔电子有限公司 | Ferrite testing device and testing method thereof |
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CN203983434U (en) * | 2014-08-22 | 2014-12-03 | 苏州迈授电子通讯科技有限公司 | Upper and lower lamination Split assembled embedded isolator |
CN204741059U (en) * | 2015-06-24 | 2015-11-04 | 南京拓邦微电子有限公司 | Be applied to isolation coupler in microwave debug system |
CN206671520U (en) * | 2017-04-06 | 2017-11-24 | 苏州工业园区凯艺精密科技有限公司 | A kind of ferrite detection means |
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2017
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JP2002189047A (en) * | 2000-12-21 | 2002-07-05 | Murata Mfg Co Ltd | Instrument and method for measuring irreversible circuit element |
CN102411072A (en) * | 2011-08-04 | 2012-04-11 | 苏州易特诺科技股份有限公司 | Test fixture of millimeter-wave circuit device |
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