CN106872916A - A kind of ferrite detection means - Google Patents

A kind of ferrite detection means Download PDF

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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
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CN201710220032.6A
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CN106872916B (en
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王义方
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SUZHOU INDUSTRIAL PARK KAYMAX PRECISION ENGINEERING Co Ltd
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SUZHOU INDUSTRIAL PARK KAYMAX PRECISION ENGINEERING Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/12Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1253Measuring galvano-magnetic properties

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  • 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

A kind of ferrite detection means
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.
CN201710220032.6A 2017-04-06 2017-04-06 Ferrite detection device Active CN106872916B (en)

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CN201710220032.6A CN106872916B (en) 2017-04-06 2017-04-06 Ferrite detection device

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CN106872916B CN106872916B (en) 2023-12-05

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Cited By (1)

* Cited by examiner, † Cited by third party
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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Publication number Priority date Publication date Assignee Title
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
CN102544664A (en) * 2012-01-14 2012-07-04 彭龙 Miniaturized S waveband micro-strip ferrite circulator
CN102565462A (en) * 2011-12-26 2012-07-11 北京中微普业科技有限公司 Self-calibration high-precision microwave measuring clamp and calibration method
CN203658565U (en) * 2013-12-11 2014-06-18 广州赛宝计量检测中心服务有限公司 Test fixture for measurement of ferromagnetic resonance parameters
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102565462A (en) * 2011-12-26 2012-07-11 北京中微普业科技有限公司 Self-calibration high-precision microwave measuring clamp and calibration method
CN102544664A (en) * 2012-01-14 2012-07-04 彭龙 Miniaturized S waveband micro-strip ferrite circulator
CN203658565U (en) * 2013-12-11 2014-06-18 广州赛宝计量检测中心服务有限公司 Test fixture for measurement of ferromagnetic resonance parameters
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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