CN103117469A - Radio frequency coaxial electric connector with contact members - Google Patents
Radio frequency coaxial electric connector with contact members Download PDFInfo
- Publication number
- CN103117469A CN103117469A CN2013100551029A CN201310055102A CN103117469A CN 103117469 A CN103117469 A CN 103117469A CN 2013100551029 A CN2013100551029 A CN 2013100551029A CN 201310055102 A CN201310055102 A CN 201310055102A CN 103117469 A CN103117469 A CN 103117469A
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- Prior art keywords
- plug
- socket
- radio frequency
- contact
- outer conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Abstract
Provided is a radio frequency coaxial electric connector with contact members. Contact members are arranged between a plug outer conductor (11) and a socket out conductor (22), the contact members (14) are in cylindrical shapes, the front portions of the contact members (4) are segmented into a plurality of elastic cantilever beams through an axial groove (142), and the rear portions of the contact members (14) are ring-shape contact rings (143). The front ends of the cantilever beams are provided with annular contacts (141) which protrude outwards radially. The contact members (14) are fixed in a first plug stepped hole by means of interference fit through the rear contact rings (143), wherein the first plug stepped hole (113) is arranged in the plug outer conductor (11), and the contact members (14) are in a tight and elastic contact with the inner wall of the first socket stepped hole (221) through the annular contacts (141) located on the front portions of the elastic cantilever beams. The radio frequency coaxial electric connector has contact members (14) so that the passive intermodulation performance of radio frequency axial connect is improved.
Description
Technical field
The present invention relates to the radio frequency (RF) coaxial connector technical field, relate in particular to a kind of radio frequency coaxial electric connector with contact element, relate in particular to passive intermodulation, impedance matching and the sealing of radio frequency coaxial electric connector.
Background technology
The technical scheme that improves the passive inter-modulation performance of radio frequency (RF) coaxial connector is disclosed in Chinese patent ZL200810068882.X and ZL03103882.4.In ZL200810068882.X, there is no contact element between the outer conductor of two linkage units, but guarantee that by increasing an auxiliary nut and elastic washer the contact-making surface of two outer conductors fits tightly, and improves the passive inter-modulation performance that two unit connect.In ZL03103882.4, arrange one between the outer conductor of two linkage units of connector and annular disk-shapedly have a flexible contact element, two outer conductors all with the closed circumference circular route close contact of contact element, improve the passive inter-modulation performance of connector.
Above-mentioned patented technology adopts respectively different structures to realize closely and stably connecting between plug outer conductor and socket outer conductor in order to improve the passive inter-modulation performance of connector, improves the passive inter-modulation performance of radio frequency (RF) coaxial connector with this.
The present invention adopts different structures to improve the passive inter-modulation performance of radio frequency (RF) coaxial connector, improves the impedance matching performance of radio frequency (RF) coaxial connector and the sealing property of connector.
Summary of the invention
The first purpose of the present invention is to provide a kind of radio frequency coaxial electric connector with contact element, improves passive inter-modulation performance or third order intermodulation performance after the plugging together of plug and socket.
In order to reach this first purpose, described radio frequency coaxial electric connector adopts following technical scheme:
a kind of radio frequency coaxial electric connector with contact element, comprise plug (1) and socket (2), plug (1) comprises plug outer conductor (11), pin insulator (13), plug inner conductor (17), socket (3) comprises socket outer conductor (22), socket dielectric (23), socket inner wire (24), it is characterized in that: between plug outer conductor (11) and socket outer conductor (22), contact element (14) is set, contact element (14) is cylindric, its front portion is divided into a plurality of flexible cantilever beams by axial profile groove (142), its rear portion is circular contact ring (143), the cantilever beam of contact element (14) axially stretches out from contact ring (143), and the front end of cantilever beam is provided with the radially outward ring-type contact (141) of projection, contact element (14) is fixed in the plug first step hole (113) of the interior setting of plug outer conductor (11) by contact ring (143) interference fit at rear portion, stretches in the socket first step hole (221) that arranges in socket outer conductor (22) by the ring-type contact (141) of the flexible cantilever beam in front portion and the tight Elastic Contact of its sidewall.
Preferably, contact element (14) is made by resilient copper alloy.
Preferably, ring-type contact (141) contact line contact or the face contact into ring-type with socket first step hole (221) madial wall.
Preferably, be provided with plug second step hole (114) behind plug first step hole (113), front plug the 3rd stepped hole (112), plug the 4th stepped hole (111) of in succession being provided with in plug first step hole (113); The external diameter of plug the 4th stepped hole (111) is greater than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is greater than the external diameter in plug first step hole (113), and the external diameter in first step hole (113) is greater than the external diameter in plug second step hole (114); Plug second step hole (114) holds and locking-type plug insulator (13).
Contrast prior art ZL 03103882.4, the tight Elastic Contact of sidewall in the socket first step hole (221) in ring-type contact (141) and socket outer conductor, and can be line contact or the face contact of ring-type, not only can increase substantially passive inter-modulation performance or the third order intermodulation performance of radio frequency (RF) coaxial connector, and can improve the high-power characteristic of transmission of radio frequency (RF) coaxial connector.
The second purpose of the present invention is to provide a kind of radio frequency coaxial electric connector with contact element, reduces the space that the connector length direction need to take, and improves the impedance matching performance of radio frequency (RF) coaxial connector, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
In order to reach this second purpose, described radio frequency coaxial electric connector adopts following technical scheme:
Further, described pin insulator (13) is contained in contact element (14) at least in part, on the plug inner conductor between the two ends of pin insulator (13) (17), the inner wire groove (171) of annular is set.
Preferably, the part of the plug inner conductor (17) that described inner wire groove (171) surrounds is set to broad in the middle, the structure that two is little.
Contrast technical scheme as shown in Figure 4, pin insulator (13) is positioned at the back of contact element (14), technique scheme, because pin insulator (13) is contained in contact element (14) at least in part, the pin insulator (13) of locking-type plug inner wire (17) can toward reach, reduce the connector length direction required space that takies.Simultaneously, on the plug inner conductor between the two ends of pin insulator (13) (17), the inner wire groove (171) of annular is set, helps the compensating impedance coupling, reduce the standing-wave ratio of radio frequency (RF) coaxial connector.Preferably, the part of the plug inner conductor (17) that inner wire groove (171) surrounds is set to broad in the middle, and the structure that two is little more helps the raising of impedance matching performance, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
The 3rd purpose of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, improves the sealing property of radio frequency (RF) coaxial connector, prevents from connecting outside gaseous state, liquid material or dust and enters connector inside, affects the electric property of connector.
In order to reach the 3rd purpose, described radio frequency coaxial electric connector adopts following technical scheme:
Further, being provided with a sealing cap (3) is threaded connection and is fixed on socket outer conductor (22), sealing cap (3) is tubulose, socket seal groove (224) is set on socket outer conductor (22), built-in the second sealing ring of socket seal groove (224) (5), plug seal groove (112) is set, built-in the 3rd sealing ring of plug seal groove (119) (4) on plug outer conductor (11); After described plug (1) and socket (2) plugged together, the inwall at sealing cap (3) two pushed respectively the second sealing ring (5) and the 3rd sealing ring (4), realizes the sealing of connector.
Contrast prior art ZL 200820096613.X, by sealing cap (3), socket seal groove (224), plug seal groove (112) are set, and at built-in the second sealing ring of socket seal groove (224) (5), built-in the 3rd sealing ring of plug seal groove (119) (4) is for hermetically sealed connector has played effect.
Description of drawings
Figure 1 shows that the structural representation that a kind of plug and socket docking with radio frequency coaxial electric connector embodiment of contact element according to the present invention connects
Figure 2 shows that the structural representation according to the contact element of a kind of radio frequency coaxial electric connector embodiment with contact element of the present invention
Figure 3 shows that according to a kind of socket schematic diagram with radio frequency coaxial electric connector embodiment of contact element of the present invention
Figure 4 shows that according to a kind of plug construction schematic diagram with radio frequency coaxial electric connector embodiment of contact element of the present invention
Figure 5 shows that according to a kind of another structural representation of plug with radio frequency coaxial electric connector embodiment of contact element of the present invention
Figure 6 shows that the sealed structural representation that a kind of radio-frequency (RF) coaxial with contact element connects according to the present invention
Embodiment
Below in conjunction with accompanying drawing embodiment, a kind of radio frequency coaxial electric connector with contact element of the present invention is described in further detail:
For radio frequency coaxial electric connector, the fast lock jockey that structure miscellaneous is arranged in the prior art, with the quick connection lock of the plug and socket of realizing radio frequency (RF) coaxial connector tightly with separate fast, the fast lock connected mode disclosed in Chinese patent ZL03103882.4.Of this sort fast lock connected mode, after plug and socket plug together locking, can not guarantee direct close contact between plug outer conductor and socket outer conductor, therefore, use the radio frequency (RF) coaxial connector of so fast lock connected mode, can not guarantee that it has good passive inter-modulation performance or third order intermodulation performance.
Be illustrated in figure 1 as the structural representation that a kind of plug and socket docking with radio frequency coaxial electric connector embodiment of contact element according to the present invention connects, shown in figure, described radio frequency coaxial electric connector is provided with above-mentioned similarly fast locking device equally.In order to address the above problem, guarantee that between two outer conductors, contact is good, improve the passive inter-modulation performance of radio frequency coaxial electric connector, the present invention takes the technical conceive identical with Chinese patent ZL03103882.4, sets up a flexible contact element between plug outer conductor and socket outer conductor.
Be illustrated in figure 2 as the structural representation according to the contact element of a kind of radio frequency coaxial electric connector embodiment with contact element of the present invention, shown in figure, contact element 14 is cylindric, its front portion is divided into a plurality of flexible cantilever beams by axial profile groove 142, and its rear portion is circular contact ring 143.The cantilever beam of contact element 14 axially stretches out from contact ring 143, and the front end of cantilever beam is provided with the ring-type contact 141 of radially outer projection.
As shown in Figure 1, contact element 14 is arranged between plug outer conductor 11 and socket outer conductor 22, contact ring 143 interference fit of contact element 14 by the rear portion are fixed in the plug first step hole 113 of plug outer conductor 11 interior settings, stretch into by the ring-type contact 141 of the flexible cantilever beam in front portion in the socket first step hole 221 of socket outer conductor 22 interior settings and the tight Elastic Contact of its sidewall.Contact element 14 is made by resilient metal, for example a kind of suitable copper alloy.
Be illustrated in figure 3 as according to a kind of socket schematic diagram with radio frequency coaxial electric connector embodiment of contact element of the present invention, shown in figure, described socket 3 comprises the component parts such as socket outer conductor 22, socket dielectric 23, socket inner wire 24.Be illustrated in figure 4 as according to a kind of plug construction schematic diagram with radio frequency coaxial electric connector embodiment of contact element of the present invention, shown in figure, described plug 1 comprises the component parts such as plug outer conductor 11, pin insulator 13, plug inner conductor 17.
In this embodiment, in plug outer conductor 11 except above-described plug first step hole 113 is set, be provided with plug second step hole 114 behind plug first step hole 113, in succession be provided with plug the 3rd stepped hole 112, plug the 4th stepped hole 111 before plug first step hole 113.The external diameter of plug the 4th stepped hole 111 is greater than the external diameter of plug the 3rd stepped hole 112, and the external diameter of plug the 3rd stepped hole 112 is greater than the external diameter in plug first step hole 113, and the external diameter in first step hole 113 is greater than the external diameter in plug second step hole 114.Plug first step hole 113 is used for fixedly contact element 14, and guarantee tight and stable electrically contacting between contact element 14 and plug outer conductor, plug second step hole 114 is used for holding and locking-type plug insulator 13, plug the 3rd stepped hole 112 is used for passing the contact ring 143 of contact element 14, and plug the 4th stepped hole 111 is used for the part of receiver socket outer conductor 22.
Further, the space that need to take in order to reduce the connector length direction, improve the impedance matching performance of radio frequency (RF) coaxial connector, reduce the standing-wave ratio of radio frequency (RF) coaxial connector, be illustrated in figure 5 as according to a kind of another structural representation of plug with radio frequency coaxial electric connector embodiment of contact element of the present invention, shown in figure, pin insulator 13 is contained in contact element 14 at least in part, rather than the back that is positioned at contact element 14 as shown in Figure 4.Simultaneously, on the plug inner conductor 17 between the two ends of pin insulator 13, the inner wire groove 171 of annular is set.Further, the part of the plug inner conductor (17) that described inner wire groove 171 surrounds is set to broad in the middle, and the structure that two is little can help to improve the impedance matching performance of radio frequency (RF) coaxial connector better.
in order to improve the sealing property of radio frequency (RF) coaxial connector, prevent from connecting outside gaseous state, liquid material or dust enter connector inside, affect the electric property of connector, be illustrated in figure 6 as the sealed structural representation that a kind of radio-frequency (RF) coaxial with contact element connects according to the present invention, shown in figure, a sealing cap 3 is set to be threaded connection and to be fixed on socket outer conductor 22, sealing cap 3 is tubulose, socket seal groove 224 is set on socket outer conductor 22, built-in the second sealing ring 5 of socket seal groove 224, plug seal groove 112 is set on plug outer conductor 11, built-in the 3rd sealing ring 4 of plug seal groove 119.After above-mentioned plug 1 and socket 2 plugged together, the inwall at sealing cap 3 two pushed respectively the second sealing ring 5 and the 3rd sealing ring 4, realizes the sealing of connector.
Claims (7)
1. radio frequency coaxial electric connector with contact element, comprise plug (1) and socket (2), plug (1) comprises plug outer conductor (11), pin insulator (13), plug inner conductor (17), socket (3) comprises socket outer conductor (22), socket dielectric (23), socket inner wire (24), it is characterized in that: between plug outer conductor (11) and socket outer conductor (22), contact element (14) is set, contact element (14) is cylindric, its front portion is divided into a plurality of flexible cantilever beams by axial profile groove (142), its rear portion is circular contact ring (143), the cantilever beam of contact element (14) axially stretches out from contact ring (143), and the front end of cantilever beam is provided with the radially outward ring-type contact (141) of projection, contact element (14) is fixed in the plug first step hole (113) of the interior setting of plug outer conductor (11) by contact ring (143) interference fit at rear portion, stretches in the socket first step hole (221) that arranges in socket outer conductor (22) by the ring-type contact (141) of the flexible cantilever beam in front portion and the tight Elastic Contact of its sidewall.
2. radio frequency coaxial electric connector according to claim 1, it is characterized in that: contact element (14) is made by resilient copper alloy.
3. radio frequency coaxial electric connector according to claim 1 is characterized in that: it is line contact or the face contact of ring-type that ring-type contact (141) contacts with socket first step hole (221) madial wall.
According to claim 1 to 3 arbitrary described radio frequency coaxial electric connector, it is characterized in that: be provided with plug second step hole (114) behind plug first step hole (113), front plug the 3rd stepped hole (112), plug the 4th stepped hole (111) of in succession being provided with in plug first step hole (113); The external diameter of plug the 4th stepped hole (111) is greater than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is greater than the external diameter in plug first step hole (113), and the external diameter in first step hole (113) is greater than the external diameter in plug second step hole (114); Plug second step hole (114) holds and locking-type plug insulator (13).
According to claim 1 to 3 described radio frequency coaxial electric connector, it is characterized in that: described pin insulator (13) is contained in contact element (14) at least in part, on the plug inner conductor between the two ends of pin insulator (13) (17), the inner wire groove (171) of annular is set.
6. radio frequency coaxial electric connector according to claim 5, it is characterized in that: the part of the plug inner conductor (17) that described inner wire groove (171) surrounds is set to broad in the middle, the structure that two is little.
According to claim 1 to 3 arbitrary described radio frequency coaxial electric connector, it is characterized in that: be provided with a sealing cap (3) and be threaded connection and be fixed on socket outer conductor (22), sealing cap (3) is tubulose, socket seal groove (224) is set on socket outer conductor (22), built-in the second sealing ring of socket seal groove (224) (5), plug seal groove (112) is set, built-in the 3rd sealing ring of plug seal groove (119) (4) on plug outer conductor (11); After described plug (1) and socket (2) plugged together, the inwall at sealing cap (3) two pushed respectively the second sealing ring (5) and the 3rd sealing ring (4), realizes the sealing of connector.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055102.9A CN103117469B (en) | 2013-02-21 | 2013-02-21 | A kind of radio frequency coaxial electric connector with contact element |
| PCT/CN2014/072054 WO2014127708A1 (en) | 2013-02-21 | 2014-02-13 | Radio-frequency coaxial electric connector with contact element |
| EP14753640.3A EP2961004B1 (en) | 2013-02-21 | 2014-02-13 | Radio-frequency coaxial electric connector with contact element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055102.9A CN103117469B (en) | 2013-02-21 | 2013-02-21 | A kind of radio frequency coaxial electric connector with contact element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103117469A true CN103117469A (en) | 2013-05-22 |
| CN103117469B CN103117469B (en) | 2016-08-03 |
Family
ID=48415779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310055102.9A Active CN103117469B (en) | 2013-02-21 | 2013-02-21 | A kind of radio frequency coaxial electric connector with contact element |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2961004B1 (en) |
| CN (1) | CN103117469B (en) |
| WO (1) | WO2014127708A1 (en) |
Cited By (10)
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|---|---|---|---|---|
| CN103337733A (en) * | 2013-06-05 | 2013-10-02 | 四川华丰企业集团有限公司 | A radio frequency coaxial connector |
| CN103414055A (en) * | 2013-08-12 | 2013-11-27 | 上海航天科工电器研究院有限公司 | Connector with rapid unlocking function |
| CN103762453A (en) * | 2014-01-28 | 2014-04-30 | 中航光电科技股份有限公司 | Lockable push-pull type socket of connector |
| WO2014127708A1 (en) * | 2013-02-21 | 2014-08-28 | 上海航天科工电器研究院有限公司 | Radio-frequency coaxial electric connector with contact element |
| CN105490073A (en) * | 2015-12-14 | 2016-04-13 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector with double sealing structure |
| CN106025666A (en) * | 2016-06-28 | 2016-10-12 | 陕西华达科技股份有限公司 | Interface structure of blind matching connector |
| CN106169681A (en) * | 2015-05-21 | 2016-11-30 | Em－动力有限责任公司 | For receiving the socket of heterogeneous plug |
| CN109616830A (en) * | 2018-12-29 | 2019-04-12 | 杭州优朴信息技术有限公司 | A kind of double-layer seal buckle-type power connector |
| CN112864749A (en) * | 2021-01-05 | 2021-05-28 | 北京格润海泰科技有限公司 | Fast-maintenance fast-plugging precise millimeter wave test adapter |
| CN114556707A (en) * | 2019-08-22 | 2022-05-27 | 斯宾纳有限公司 | Coaxial radio frequency connector |
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| EP3443620A1 (en) | 2016-04-15 | 2019-02-20 | Rosenberger Hochfrequenztechnik GmbH & Co. KG | Plug connector |
| CN109038128A (en) * | 2018-07-16 | 2018-12-18 | 镇江市华展电子科技有限公司 | High intermodulation radio frequency (RF) coaxial connector |
| CN108736203A (en) * | 2018-07-28 | 2018-11-02 | 中国电子科技集团公司第四十研究所 | A kind of high-performance floating blind inserting radio frequency coaxial connector |
| CN109301631B (en) * | 2018-10-23 | 2023-09-01 | 苏州华旃航天电器有限公司 | Flexible five-layer dielectric coaxial electric connector and manufacturing process thereof |
| CN109659756B (en) * | 2018-12-28 | 2024-03-08 | 上海航天科工电器研究院有限公司 | Stable intermodulation type radio frequency connector |
| CN109672039A (en) * | 2019-01-09 | 2019-04-23 | 吴通控股集团股份有限公司 | A kind of radio frequency (RF) coaxial connector |
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| WO2014127708A1 (en) * | 2013-02-21 | 2014-08-28 | 上海航天科工电器研究院有限公司 | Radio-frequency coaxial electric connector with contact element |
| CN103337733B (en) * | 2013-06-05 | 2016-02-10 | 四川华丰企业集团有限公司 | A kind of radio frequency (RF) coaxial connector |
| CN103337733A (en) * | 2013-06-05 | 2013-10-02 | 四川华丰企业集团有限公司 | A radio frequency coaxial connector |
| CN103414055A (en) * | 2013-08-12 | 2013-11-27 | 上海航天科工电器研究院有限公司 | Connector with rapid unlocking function |
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| CN106169681A (en) * | 2015-05-21 | 2016-11-30 | Em－动力有限责任公司 | For receiving the socket of heterogeneous plug |
| CN105490073A (en) * | 2015-12-14 | 2016-04-13 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector with double sealing structure |
| CN106025666A (en) * | 2016-06-28 | 2016-10-12 | 陕西华达科技股份有限公司 | Interface structure of blind matching connector |
| CN106025666B (en) * | 2016-06-28 | 2018-06-22 | 陕西华达科技股份有限公司 | A kind of interfacial structure of blind distribution type connector |
| CN109616830A (en) * | 2018-12-29 | 2019-04-12 | 杭州优朴信息技术有限公司 | A kind of double-layer seal buckle-type power connector |
| CN114556707A (en) * | 2019-08-22 | 2022-05-27 | 斯宾纳有限公司 | Coaxial radio frequency connector |
| US11545784B2 (en) | 2019-08-22 | 2023-01-03 | Spinner Gmbh | Coaxial RF connector |
| CN114556707B (en) * | 2019-08-22 | 2023-04-11 | 斯宾纳有限公司 | Coaxial radio frequency connector |
| CN112864749A (en) * | 2021-01-05 | 2021-05-28 | 北京格润海泰科技有限公司 | Fast-maintenance fast-plugging precise millimeter wave test adapter |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2961004A1 (en) | 2015-12-30 |
| EP2961004B1 (en) | 2021-05-05 |
| CN103117469B (en) | 2016-08-03 |
| EP2961004A4 (en) | 2017-01-25 |
| WO2014127708A1 (en) | 2014-08-28 |
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