CN203932270U - Rfid circulator - Google Patents
Rfid circulator Download PDFInfo
- Publication number
- CN203932270U CN203932270U CN201320689534.0U CN201320689534U CN203932270U CN 203932270 U CN203932270 U CN 203932270U CN 201320689534 U CN201320689534 U CN 201320689534U CN 203932270 U CN203932270 U CN 203932270U
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- Prior art keywords
- center conductor
- microwave ferrite
- pin
- rfid
- magnet
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- Expired - Lifetime
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- 239000004020 conductor Substances 0.000 claims abstract description 51
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
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- Non-Reversible Transmitting Devices (AREA)
Abstract
The utility model discloses a kind of RFID circulator, comprise housing, upper magnet, upper microwave ferrite, center conductor, lower microwave ferrite, lower magnet and cover plate, described housing is provided with groove, described cover plate is covered on groove top and forms cavity, described upper magnet, upper microwave ferrite, center conductor, lower microwave ferrite and lower magnet are stacked to be fixed in cavity, it also comprises equal magnetic sheet, lower equal magnetic sheet and dielectric, described equal magnetic sheet is between upper magnet and upper microwave ferrite, described lower pottery sheet is between lower magnet and lower microwave ferrite, described dielectric is between upper microwave ferrite and lower microwave ferrite, and described center conductor is fastened on dielectric, the pin of described center conductor is provided with towards the bending part of housing bottom direction bending.The utility model is easy to assembly, and power is large, and reliability is high, is applicable to large-scale production.
Description
Technical field
The utility model relates to a kind of circulator, relates in particular to a kind of RFID circulator.
Background technology
Circulator is a multiport device, and wherein electromagnetic transmission can only be gone in ring along one direction, isolates in the other direction.All will be with the go in ring device of characteristic of one direction in modern age radar and micro multi-channel communication system.For example, in the radar system of the shared common antenna of transceiver, conventional circulator is made duplexer.In micro multi-channel communication system, with circulator, the signal of different frequency can be separated.Circulator of the prior art comprises housing, center conductor, ferrite, magnet and cover plate, and described housing is provided with groove, the fixing cavity that forms of cover plate and housing, and magnet, ferrite and center conductor are arranged in cavity.
Circulator in said structure is when assembling, and center conductor easily departs from the plane of symmetry, assembling inconvenience, and the qualification rate of circulator is not high; Longitudinally inhomogeneous between center conductor and ground plane, magnetic field magnetisation is inhomogeneous, has upset the field distribution of circulator, poor-performing; Add, the pin on center conductor is straight line pin, when external, easily contact with housing and produces the problem of ground connection.
Utility model content
The utility model provides a kind of RFID circulator, and what mainly solve is that the pin that circulator center conductor of the prior art easily departs from the plane of symmetry and center conductor is straight line pin, assembling trouble, the problem that performance is not high.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of RFID circulator is provided, comprise housing, upper magnet, upper microwave ferrite, center conductor, lower microwave ferrite, lower magnet and cover plate, described housing is provided with groove, described cover plate is covered on groove top and forms cavity, described upper magnet, upper microwave ferrite, center conductor, lower microwave ferrite and lower magnet are stacked to be fixed in cavity, also comprise equal magnetic sheet, lower equal magnetic sheet and dielectric, described equal magnetic sheet is between upper magnet and upper microwave ferrite, described lower pottery sheet is between lower magnet and lower microwave ferrite, described dielectric is between upper microwave ferrite and lower microwave ferrite, and described center conductor is fastened on dielectric, the pin of described center conductor is provided with towards the bending part of housing bottom direction bending.
Wherein, the material of described pin is copper, and the bending of described pin bending part is Z-shaped, and the end of pin stretches out housing.
Wherein, described dielectric comprises three collets spaced apart, and the gap between adjacent collets is equipped with the pin on center conductor.
Wherein, the sidewall of described housing is provided with breach, the Pin locations setting of the corresponding center conductor of described breach, and breach bottom is lower than pin lower surface.
Wherein, described equal magnetic sheet is special-shaped all magnetic sheets, and the position of the corresponding breach of the equal magnetic sheet of described abnormal shape is provided with flange.
Wherein, described housing adjacent wall connecting portion forms depressed part towards housing central concave.
Wherein, the bight of described housing bottom is provided with installing hole.
Wherein, described cover plate is provided with position, hole.
Useful technique effect of the present utility model is: being different from the pin that in prior art, circulator center conductor easily departs from the plane of symmetry and center conductor is straight line pin, assembling trouble, the problem that performance is not high.The utility model provides a kind of RFID circulator, adopts equal magnetic sheet is set between center conductor and magnet, and the magnetic field that can make magnet produce is even, thereby makes the performance of circulator better; In addition, also comprise the dielectric that polylith is spaced apart, the pin of accommodating center conductor between dielectric and dielectric, fixes the position of center conductor, is convenient to assembling; Add, the pin of center conductor is provided with bending part, when pin docks with external devices, the end of bending part is directly connected in external devices, and while repeatedly installing, the distortion of bending part is little, can not contact ground connection with housing, thereby guarantee the normal work of circulator, extend its useful life.To sum up, the utility model is easy to assembly, and power is large, and reliability is high, is applicable to the large-scale beneficial effect of producing.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the utility model RFID circulator;
Fig. 2 is the structural representation of the center conductor of the utility model RFID circulator;
Fig. 3 is the overall structure schematic diagram of the utility model RFID.
Label declaration:
1-housing, 2-lower magnet, equal magnetic sheet under 3-, 4-collets, microwave ferrite under 5-, 6-center conductor, 61-pin, 62-conductor disc, the upper microwave ferrite of 7-, the upper equal magnetic sheet of 8-, 9-upper magnet, 10-cover plate, position, 101-hole, 11-installing hole, 12-breach, 13-depressed part.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized object and effect, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1 to Fig. 3, a kind of RFID circulator of present embodiment, comprise housing 1, upper magnet 9, upper microwave ferrite 7, center conductor 6, lower microwave ferrite 5, lower magnet 2 and cover plate 10, described housing 1 is provided with groove, described cover plate 10 is covered on groove top and forms cavity, described upper magnet 9, upper microwave ferrite 7, center conductor 6, lower microwave ferrite 5 and lower magnet 2 are stacked to be fixed in cavity, it also comprises equal magnetic sheet 8, lower equal magnetic sheet 3 and dielectric, described equal magnetic sheet 8 is between upper magnet 9 and upper microwave ferrite 7, described lower pottery sheet is between lower magnet 2 and lower microwave ferrite 5, described dielectric is between upper microwave ferrite 7 and lower microwave ferrite 5, and described center conductor 6 is fastened on dielectric, the pin 61 of described center conductor 6 is provided with towards the bending part of housing 1 bottom direction bending.The magnetic field that above-mentioned upper equal magnetic sheet 8 and lower equal magnetic sheet 3 can make magnet produce is even, thereby makes the performance of circulator better; Described dielectric is between upper microwave ferrite 7 and lower microwave ferrite 5, and described center conductor 6 is fastened on dielectric.This dielectric can fixed center conductor 6 position, make the work of circulator more stable, radiation effect is good, meets powerful requirement.Wherein, above-mentioned upper magnet 9 and the material of lower magnet 2 are SmCo magnetic, and stable magnetic field, is convenient to the guiding to signal.And bending part is directly connected in external devices, can repeatedly install, the distortion of bending part is little, can not contact ground connection with housing 1, thereby guarantees the normal work of circulator.
In a specific embodiment, the material of described pin 61 is copper, and described pin 61 bending part bendings are Z-shaped, and the end of pin 61 stretches out housing 1.Consult Fig. 2, center conductor 6 comprises conductor disc 62 and draws three pins 61 from conductor disc 62, on this pin 61, is equipped with Z-shaped bending part, is easy to external devices and repeatedly docks.
In a specific embodiment, described dielectric comprises three collets spaced apart 4, and the gap between adjacent collets 4 is equipped with the pin 61 on center conductor 6.As shown in Figure 1, dielectric is by three spaced apart forming of collets 4, and three collets 4 surround ring-type, and pin 61 on center conductor 6 has three, and three pins 61 lay respectively at the interstitial site between collets 4, and the position of center conductor 6 is fixed.The pin 61 that is noted that other quantity also available above-mentioned interstitial structure fixes.
In a specific embodiment, the sidewall of described housing 1 is provided with breach 12, and pin 61 positions of the corresponding center conductor 6 of described breach 12 arrange, and breach 12 bottoms are lower than pin 61 lower surfaces.This breach 12 can be convenient to the operation to pin 61, can guarantee that housing 1 does not contact with pin 61 simultaneously, and assurance circulator is normally worked.
In a specific embodiment, described equal magnetic sheet 8 is special-shaped all magnetic sheets, and the position of the corresponding breach 12 of the equal magnetic sheet of described abnormal shape is provided with flange.Flange can block part breach 12, protects its internal components.
In a specific embodiment, described housing 1 adjacent wall connecting portion forms depressed part 13 towards housing 1 central concave.Depressed part 13 can be saved the material of housing 1, can shorten the length of screw simultaneously.
In a specific embodiment, the bight of described housing 1 bottom is provided with installing hole 11.During installation, screw, through installing hole 11, is fixed on housing 1 on other devices.
In a specific embodiment, described cover plate 10 is provided with position, hole 101.During assembling, cover plate 10 need to be clamped to position, hole 101 and screw in slot opening, compress the laminated member of inside cavity.In Fig. 2, be provided with position, two holes, the position, hole of other quantity, if three or four etc. are also feasible programs.
Useful technique effect of the present utility model is: being different from the pin that in prior art, circulator center conductor easily departs from the plane of symmetry and center conductor is straight line pin, assembling trouble, the problem that performance is not high.The utility model provides a kind of RFID circulator, adopts equal magnetic sheet is set between center conductor and magnet, and the magnetic field that can make magnet produce is even, thereby makes the performance of circulator better; In addition, also comprise the dielectric that polylith is spaced apart, the pin of accommodating center conductor between dielectric and dielectric, fixes the position of center conductor, is convenient to assembling; Add, the pin of center conductor is provided with bending part, when pin docks with external devices, the end of bending part is directly connected in external devices, and while repeatedly installing, the distortion of bending part is little, can not contact ground connection with housing, thereby guarantee the normal work of circulator, extend its useful life.To sum up, the utility model is easy to assembly, and power is large, and reliability is high, is applicable to the large-scale beneficial effect of producing.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a RFID circulator, comprise housing, upper magnet, upper microwave ferrite, center conductor, lower microwave ferrite, lower magnet and cover plate, described housing is provided with groove, described cover plate is covered on groove top and forms cavity, described upper magnet, upper microwave ferrite, center conductor, lower microwave ferrite and lower magnet are stacked to be fixed in cavity, it is characterized in that, also comprise equal magnetic sheet, lower equal magnetic sheet and dielectric, described equal magnetic sheet is between upper magnet and upper microwave ferrite, and described lower equal ceramics is between lower magnet and lower microwave ferrite; Described dielectric is between upper microwave ferrite and lower microwave ferrite, and described center conductor is fastened on dielectric; The pin of described center conductor is provided with towards the bending part of housing bottom direction bending.
2. RFID circulator according to claim 1, is characterized in that, the material of described pin is copper, and the bending of described pin bending part is Z-shaped, and the end of pin stretches out housing.
3. RFID circulator according to claim 1, is characterized in that, described dielectric comprises three collets spaced apart, and the gap between adjacent collets is equipped with the pin on center conductor.
4. RFID circulator according to claim 3, is characterized in that, the sidewall of described housing is provided with breach, the Pin locations setting of the corresponding center conductor of described breach, and breach bottom is lower than pin lower surface.
5. RFID circulator according to claim 4, is characterized in that, described equal magnetic sheet is special-shaped all magnetic sheets, and the position of the corresponding breach of the equal magnetic sheet of described abnormal shape is provided with flange.
6. RFID circulator according to claim 1, is characterized in that, described housing adjacent wall connecting portion forms depressed part towards housing central concave.
7. RFID circulator according to claim 1, is characterized in that, the bight of described housing bottom is provided with installing hole.
8. according to the RFID circulator described in claim 1-7 any one, it is characterized in that, described cover plate is provided with position, hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689534.0U CN203932270U (en) | 2013-11-04 | 2013-11-04 | Rfid circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689534.0U CN203932270U (en) | 2013-11-04 | 2013-11-04 | Rfid circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203932270U true CN203932270U (en) | 2014-11-05 |
Family
ID=51828034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320689534.0U Expired - Lifetime CN203932270U (en) | 2013-11-04 | 2013-11-04 | Rfid circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203932270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072246A (en) * | 2020-09-07 | 2020-12-11 | 上海东前电子科技有限公司 | Central conductor |
| CN113300067A (en) * | 2021-06-11 | 2021-08-24 | 浙江省东阳市东磁诚基电子有限公司 | Isolator and implementation method thereof |
| CN113540728A (en) * | 2021-07-30 | 2021-10-22 | 浙江省东阳市东磁诚基电子有限公司 | A miniaturized surface mount circulator and its realization method |
-
2013
- 2013-11-04 CN CN201320689534.0U patent/CN203932270U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072246A (en) * | 2020-09-07 | 2020-12-11 | 上海东前电子科技有限公司 | Central conductor |
| CN113300067A (en) * | 2021-06-11 | 2021-08-24 | 浙江省东阳市东磁诚基电子有限公司 | Isolator and implementation method thereof |
| CN113540728A (en) * | 2021-07-30 | 2021-10-22 | 浙江省东阳市东磁诚基电子有限公司 | A miniaturized surface mount circulator and its realization method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170216 Address after: 518000 Guangdong city of Shenzhen province Baoan District Shajing District Hung Tin South Road No. 128 Heng Changrong High-tech Industrial Park 1 building 7 floor Patentee after: SHENZHEN HUAYANG TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 437000 Xianning economic and Technological Development Zone, Yangtze River Industrial Park, Hubei Patentee before: WUHAN HUAYANG COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |