WO2021060630A1 - Commutateur optique passif - Google Patents

Commutateur optique passif Download PDF

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Publication number
WO2021060630A1
WO2021060630A1 PCT/KR2020/001735 KR2020001735W WO2021060630A1 WO 2021060630 A1 WO2021060630 A1 WO 2021060630A1 KR 2020001735 W KR2020001735 W KR 2020001735W WO 2021060630 A1 WO2021060630 A1 WO 2021060630A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
stopping
arm
hole
rotation
Prior art date
Application number
PCT/KR2020/001735
Other languages
English (en)
Korean (ko)
Inventor
이민오
김평구
Original Assignee
주식회사 샤펜프렛
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 샤펜프렛 filed Critical 주식회사 샤펜프렛
Publication of WO2021060630A1 publication Critical patent/WO2021060630A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3524—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive
    • G02B6/3526—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive the optical element being a lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types

Definitions

  • the present invention relates to an optical switch, and in particular, to a passive optical switch that can conveniently and quickly perform inspection of the presence or absence of communication, loss, etc. for an MPO (Multiport Optic) cable [MPO connector].
  • MPO Multiport Optic
  • MPO (8 to 32 core fiber) cable [MPO connector] was developed to deliver more memory (10G ⁇ 100G) in optical cables (1-core fiber) used for optical communication.
  • the MPO cable (MPO connector) can be inspected conveniently and quickly. It is to do.
  • the inspection time is shortened so that it can help improve productivity in the case of the production line.
  • the size of the product is made compact so that it is convenient to carry and can be used conveniently in the field.
  • the occurrence of backlash can be prevented by a coil spring connected to the fixed end on one side and connected to the lens rotation arm on the other side, so that even in the case of repeated inspections more than thousands of times, the lens rotation arm can always be placed in the same position. In this way, repeatability and reproducibility can be guaranteed, so that the measurement reliability of the product can be guaranteed.
  • the stopping plate formed identically to the lens array plate, and the stopping arm (and stopping ball corresponding to the fixing hole) that rotates integrally at the same position as the lens rotation arm (and fixing hole). It is to be perfectly aligned with a simple configuration.
  • the objective is to provide a passive optical switch suitable for making it easy to install the rotating shaft by forming an incision in the lens rotating arm and the stopping arm, and to be firmly fastened without a gap after installation.
  • a passive optical switch for achieving the above object includes: a lens array plate 120 in which the fitting holes 121 are arranged in a columnar shape; A stopping plate 140 disposed in parallel with the lens array plate 120 and having a plurality of stopping grooves 141 formed thereon; A plurality of receiving lenses (L2) fixed to the fitting holes 121; A transmission lens (L1) aligned with any one of the plurality of reception lenses (L2); A rotation shaft 130 passing through the lens array plate 120 and the stopping plate 140; A lens rotation arm 110 that rotates about the rotation shaft 130 and has a fixing hole 121 in which the transmission lens L1 is disposed; And a stopping ball that rotates about the rotation shaft 130 as an axis, and is caught in any one of the plurality of stopping grooves 141 so that the transmission lens L1 is aligned parallel to the reception lens L2. It includes a stopping arm 150 on which 163 is disposed.
  • the passive optical switch according to the present invention is fixed to the lens array plate 120 formed by arranging a plurality of fitting holes 121 in a columnar shape, and the fitting hole 121 of the lens array plate 120
  • the receiving lens (L2), a plurality of receiving optical fibers (C2) attached to the receiving lens (L2), and the rotation shaft 130 that rotates in one direction or the other direction apart from the lens array plate 120 It is fastened and rotates according to the rotation of the rotation shaft 130, and is aligned with any one of the plurality of receiving lenses (L2) provided in the fitting hole 121 of the lens array plate 120 according to the rotation in one direction or the other direction.
  • the receiving lens (L2) is provided in the lens rotation arm 110 in which the fixing hole 121 for providing the (align) transmission lens L1 is formed, and the fixing hole 111 of the lens rotation arm 110
  • a transmission lens (L1) that transmits an optical signal to a transmission lens (L1), a transmission optical fiber (C1) attached to the transmission lens (L1) inserted in the fitting hole (121) of the lens rotation arm (110), and the lens rotation arm ( 110), a rotation shaft 130 that rotates the lens rotation arm 110 in one direction or another direction, and is provided in front of the lens rotation arm 110, and corresponds to the fitting hole 121
  • the stopping plate 140 in which the stopping groove 141 is formed at the same position and at the same interval as the fitting hole 121 and the rotation shaft 130 as an axis, the same as the lens rotation arm 110 It is fixed to the rotation shaft 130 in parallel with the lens rotation arm 110 at a circumferential angle, and rotates according to the rotation of the rotation shaft 130 to selectively stop any one of the plurality of stopping grooves 141 Stopping
  • the passive optical switch of the present invention having the above configuration has the following effects.
  • the size of the product is compact, so it is convenient to carry, and there is an effect that can be used conveniently in the field.
  • the force to push the stopping ball can be adjusted, so that the stopping ball is stopped in the stopping groove, but the stopping arm There is an effect of minimizing noise generation during rotation.
  • FIG. 1 is a configuration diagram of a passive optical switch 100 according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a passive optical switch 100 according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of FIG. 1.
  • FIG. 4 is a diagram illustrating a state of use of the passive optical switch 100 according to an embodiment of the present invention.
  • the passive optical switch according to an embodiment of the present invention is an optical device for inspecting, for example, whether an MPO cable (M2) is disconnected (communication), a loss value, or an optical characteristic, or to switch an optical cable. .
  • M2 MPO cable
  • the passive optical switch according to an embodiment of the present invention can be mainly used for inspection of the MPO cable (M2).
  • FIG. 1 is a perspective view of a passive optical switch 100 according to an embodiment of the present invention.
  • the fitting hole 121 is arranged in a columnar lens array plate 120; A stopping plate 140 disposed in parallel with the lens array plate 120 and having a plurality of stopping grooves 141 formed thereon; A plurality of receiving lenses (L2) fixed to the fitting hole 121; A transmission lens (L1) aligned with any one of the plurality of reception lenses (L2); A rotation shaft 130 passing through the lens array plate 120 and the stopping plate 140; A lens rotation arm 110 that rotates around the rotation shaft 130 and has a fixing hole 121 in which the transmission lens L1 is disposed; And a stopping ball 163 that is rotated about the rotation shaft 130 as an axis, and is caught in any one of the plurality of stopping grooves 141 so that the transmitting lens L1 is aligned parallel to the receiving lens L2. It includes a stopping arm 150 disposed.
  • FIG. 2 is an exploded perspective view of a passive optical switch 100 according to an embodiment of the present invention.
  • 3 is a cross-sectional view of FIG. 1.
  • a passive optical switch according to an embodiment of the present invention includes an insert member 161 fastened to a mounting hole 151 formed in the stopping arm 150; And an elastic member 162 that contacts the insert member 161 and the other side contacts the stopping ball 163 to push the stopping ball 163 into the stopping groove 141.
  • a screw groove is formed on the inner circumferential surface of the mounting hole 151, a thread is formed on the outer circumferential surface of the insert member 161, and the insert member 161 is an elastic member 162 ) Is screwed into the mounting hole 151 to adjust the elastic force.
  • a passive optical switch includes: a transmission optical fiber C1 connected to one side of the light source and the other side of the transmission lens L1; And a plurality of receiving optical fibers C2 connected to the plurality of receiving lenses L2 for receiving an optical signal transmitted from the transmitting lens L1 and transmitting an optical signal, and a plurality of receiving optical fibers C2 One of them transmits the optical signal transmitted from any one transmission lens L1 aligned with the transmission lens L1.
  • the transmitting lens L1 and the stopping ball 163 simultaneously rotate the rotation shaft 130 by the same angle along the axis to match the focus points of the transmitting lens L1 and the receiving lens L2.
  • the rotation shaft 130, the stopping ball 163, the stopping arm 150, and the lens rotation arm 110 rotate at the same angle.
  • the passive optical switch 100 is, for example, a semicircular plate shape, and a lens formed by arranging a plurality of fitting holes 121 in a cylindrical shape.
  • the array plate 120, the receiving lens L2 fixed to the fitting hole 121 of the lens array plate 120, a plurality of receiving optical fibers C2 connected to the receiving lens L2, and a lens array plate It is separated from the front of 120 and is fastened to the other side of the rotating shaft 130 that rotates in one direction or the other direction, and rotates according to the rotation of the rotation shaft 130, and the lens array plate 120 according to the rotation in one direction or the other direction.
  • a lens rotation arm 110 having a fixing hole 121 for providing a transmission lens L1 aligned with any one of the plurality of receiving lenses L2 provided in the fitting hole 121 of ), and A transmission lens (L1) provided in the fixing hole 111 of the lens rotation arm 110 to transmit an optical signal to the reception lens (L2), and a transmission lens inserted into the fitting hole 121 of the lens rotation arm 110
  • a transmission optical fiber C1 connected to (L1), a rotation shaft 130 that is installed on one side of the lens rotation arm 110 to rotate the lens rotation arm 110 in one direction or another direction, and a lens rotation arm ( 110) is provided in front of the fitting hole 121, corresponding to the fitting hole 121 and at the same position and at the same interval as the fitting hole 121 (that is, arranged in a circumferential thread in the same manner as the fitting hole 121) stopping groove 141
  • the stopping plate 140 is formed and is formed in a plate shape of substantially the same shape as the lens array plate 120, and is provided to be spaced apart from the stopping plate 140
  • the fixing hole 111 is aligned with the fitting hole 121 so that the optical signal of the transmitting optical fiber C1 is transmitted to the receiving optical fiber C2.
  • a mounting hole 151 is formed through the upper side of the stopping arm 150 at the same position in the fixing hole 111 with respect to the horizontal direction.
  • the stop members 161, 162, 163 are fastened to the mounting hole 151 and the insert member 161 having a hollow portion 161a formed therein, One end of the elastic member 162 and the elastic member 162, which pushes the stopping ball 163 to the stopping plate 140 by being pressed against the bottom of the hollow part 161a of the insert member 161 It is elastically supported between the other end and the stopping groove 141, and is selectively seated in the stopping groove 141 by the push force of the elastic member 162, so that the stopping arm 150 is provided with a plurality of stopping grooves ( It characterized in that it is configured to include a stopping ball 163 to stop in any one of the stopping groove 141 of 141).
  • a screw groove is formed on the inner circumferential surface of the mounting hole 151, and a thread is formed on the outer circumferential surface of the insert member 161, so that the insert member 161 ) Is screwed into the mounting hole 151, and by screwing the insert member 161 in a screw manner, the elastic member 162 is characterized in that it is possible to adjust the force that pushes the stopping ball 163.
  • the passive optical switch 100 in a state that is wound in one direction, for example, several times (if this is wound several times, a restoring force is generated to restore the coil spring 170 to its original state.
  • the rear end is fixed to the rotating lens arm 110 and the front end is fixed to the fixing plate 140 [thus, the rear end of the coil spring acts as a free end and the front end acts as a fixed end.]
  • the stopping ball 163 is one, its shape and radius of curvature remain unchanged, but the stopping groove 141 is plural, and an error of, for example, 1/1000 units may occur due to the limit of curvature.
  • Backlash may occur when the position moves according to the rotation of 110), but the coil spring installed by winding it to one side (in one direction) several times at the time of initial installation always has a restoring force to one side no matter where the lens rotation arm 110 is located. As this occurs, this backlash can be caught.
  • One end and the other end of the coil spring 170 are formed in a linear shape, and are inserted into the first tangy hole 117 and the second tangy hole 147 respectively to be fixed.
  • the stopping ball 163 in order for the stopping ball 163 to smoothly move the neighboring stopping groove 141 in any one stopping groove 141, It is characterized in that it is configured by including a guide groove 142 formed between the stopping groove 141 and the stopping groove 141 adjacent to each other.
  • the stopping arm 150 moves from any one stopping groove 141 to the neighboring stopping groove 141, it can be rotated along the guide groove 142, so that the rotation is smooth and noise is not generated. .
  • a first fastening hole 110a is formed in the lens rotation arm 110, and a second fastening hole 150a is formed in the stopping arm 150.
  • a first insertion hole 120a is formed in the lens array plate 120
  • a second insertion hole 140a is formed in the stopping plate 140
  • the rotation shaft 130 is 1 Insertion hole (120a) and the second insertion hole (140a) is inserted so as to be rotatable, the rotation shaft 130 is fastened to the first fastening hole (110a) and the second fastening hole (150a), the lens rotation arm 110 ) And the stopping arm 150 are simultaneously rotated at the same angle.
  • the passive optical switch 100 while communicating with the first fastening hole 110a of the lens rotation arm 110, a first cutout 112 formed to be cut outward, and a first cutout
  • the first screw hole 113 formed to communicate with the first cutout 112 and the first screw hole 113 is screwed into the first cutout 112 by tightening the rotation shaft 130
  • the first screw (P1) to securely fasten the second, while communicating with the second fastening hole (150a) of the stopping arm 150, a second cut-out part 152 and a second cut-out part 152 formed to be cut outward.
  • a second screw hole 153 formed in communication with the second screw hole 153 and a second screw P2 that is screwed into the second screw hole 153 and tightens the second incision 152 to securely fasten the rotation shaft 130 It is characterized in that it is included and configured.
  • the rotating shaft 130 can be easily inserted into the lens rotating arm 110 and the stopping arm 150, and after being inserted, the first and second screws (P1)
  • the lens rotation arm 110 and the stopping arm 150 with respect to the rotation shaft 130 can be firmly fastened so that there is no error from each other and there is no occurrence of backlash. .
  • a support 181 in which a support hole 181a is formed, and a third bearing br3 inserted and fixed in the support hole 181a are included. It is configured, and the other side of the rotation shaft 130 is supported so as to be rotatable in the first insertion hole 120a, and one side of the rotation shaft 130 is supported so as to be rotatable by being built in a third bearing (br3). do.
  • the other side of the rotation shaft 130 is supported so as to be rotatable in the first insertion hole 120a, and one side of the rotation shaft 130 is inserted into the second It characterized in that it is supported so as to be rotatable in the ball (140a). According to this, even if the rotating shaft is long, it is possible to stably support it.
  • a first bearing (br1) inserted into the first insertion hole (120a), and a second bearing (br2) inserted into the second insertion hole (140a). ) Is included, and the rotation shaft 130 is supported so as to be rotatable by being built on the first and second bearings br1 and br2.
  • the base 101 the front plate 102 standing upright on the base 101, and provided on the front plate 102, the light source 10
  • a first connector (T1) for connecting the single-core cable (M1) connected to the transmission optical fiber (C1)
  • an MPO It is characterized by including a second connector (T2) for connecting the multiport optic) cable [multi-core cable] (M2) and the plurality of receiving optical fibers (C2).
  • the lens array plate 120 and the stopping plate 140 may additionally be installed on a flat plate-shaped support plate B1, and the support plate B1 is installed on the base 101.
  • the knob (R1) and knob (R1) that are fastened in front of the rotation shaft 130 and exposed from the front plate 102 to be gripped by the user, and the knob (R1). It is characterized in that the fiber core line number display portion (D1) formed on the front plate 102 to the outside is included and configured.
  • the channel number (the number of the receiving optical fiber C1) is printed on the core line number display unit D1, there is an advantage of facilitating channel change.
  • a screw thread 130a is formed at the rear end of the rotation shaft 130, and a nut N1 that is screwed with the screw thread 130a is included.
  • Reference numeral N2 which is not described, is a bushing N2 inserted between the first bearing br1 and the nut N1.
  • the depth of the guide groove 142 (for example, 0.2 mm) is characterized in that it is smaller than the depth of the stopping groove 141 (for example, 0.4 mm).
  • the light source 10 and the measuring instrument 20 may be configured separately or integrated into one device.
  • the stopping arm 150 and the lens rotation arm 110 are fixed at the same circumferential angle so as to coincide with each other.
  • the stopping arm 150 and the lens rotation arm 110 rotate at the same time, and the moment the stopping ball 163 is stopped in the stopping groove 141, the lens rotation arm 110
  • the transmitting lens L1 is aligned parallel to the receiving lens L2.
  • the channel By appropriately rotating the rotation shaft 130, the channel can be changed to the transmission lens L1 of the transmission optical fiber C1 to be measured.
  • the restoring force of the coil spring acts on the lens rotation arm 110 to prevent the occurrence of backlash.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

La présente invention concerne un commutateur optique passif. Le commutateur optique passif selon la présente invention comprend : une plaque de réseau de lentilles (120) dans laquelle des trous de montage (121) sont disposés en colonne ; une plaque d'arrêt (140) qui est disposée en parallèle avec la plaque de réseau de lentilles (120) et présente une pluralité de rainures d'arrêt (141) formée sur celle-ci ; une pluralité de lentilles de réception (L2) qui sont fixées aux trous de montage (121) ; une lentille de transmission (L1) qui est alignée avec l'une quelconque de la pluralité de lentilles de réception (L2) ; un arbre de rotation (130) qui passe à travers la plaque de réseau de lentilles (120) et la plaque d'arrêt (140) ; un bras de rotation de lentille (110) qui tourne autour de l'arbre de rotation (130) et présente un trou de fixation (121) dans lequel la lentille de transmission (L1) est disposée ; et un bras d'arrêt (150) qui tourne autour de l'arbre de rotation (130) et dans lequel une bille d'arrêt (163), qui est prise dans l'une quelconque de la pluralité de rainures d'arrêt (141), est disposée de telle sorte que la lentille de transmission (L1) est alignée parallèlement à la lentille de réception (L2).
PCT/KR2020/001735 2019-09-25 2020-02-07 Commutateur optique passif WO2021060630A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0118451 2019-09-25
KR1020190118451A KR102065919B1 (ko) 2019-09-25 2019-09-25 수동형 광스위치

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WO2021060630A1 true WO2021060630A1 (fr) 2021-04-01

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PCT/KR2020/001735 WO2021060630A1 (fr) 2019-09-25 2020-02-07 Commutateur optique passif

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WO (1) WO2021060630A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102065919B1 (ko) * 2019-09-25 2020-01-14 주식회사 샤펜프렛 수동형 광스위치

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09133831A (ja) * 1995-11-07 1997-05-20 Toshiba Mach Co Ltd 光部品の回転割り出し機構およびこれを用いた光部品の接続装置
KR20010073772A (ko) * 2000-01-20 2001-08-03 김춘호 광스위치
KR100895533B1 (ko) * 2009-02-04 2009-04-30 (주)위니테크놀러지 전후방으로 광케이블을 인출하는 다심형 화이버 광스위치 모듈
KR100908895B1 (ko) * 2009-02-03 2009-07-23 (주)위니테크놀러지 반사손실의 영향이 없는 다심형 화이버 광스위치 모듈
KR200464536Y1 (ko) * 2011-11-02 2013-01-08 대성전기공업 주식회사 회전형 액츄에이터
KR102065919B1 (ko) * 2019-09-25 2020-01-14 주식회사 샤펜프렛 수동형 광스위치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100388954B1 (ko) 2000-04-01 2003-06-25 포위즈 주식회사 미세 광학소자와 동축홀더를 이용한 비접촉식 광스위치
KR200243549Y1 (ko) 2001-03-26 2001-10-10 조도영 저손실 소형 광스위치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09133831A (ja) * 1995-11-07 1997-05-20 Toshiba Mach Co Ltd 光部品の回転割り出し機構およびこれを用いた光部品の接続装置
KR20010073772A (ko) * 2000-01-20 2001-08-03 김춘호 광스위치
KR100908895B1 (ko) * 2009-02-03 2009-07-23 (주)위니테크놀러지 반사손실의 영향이 없는 다심형 화이버 광스위치 모듈
KR100895533B1 (ko) * 2009-02-04 2009-04-30 (주)위니테크놀러지 전후방으로 광케이블을 인출하는 다심형 화이버 광스위치 모듈
KR200464536Y1 (ko) * 2011-11-02 2013-01-08 대성전기공업 주식회사 회전형 액츄에이터
KR102065919B1 (ko) * 2019-09-25 2020-01-14 주식회사 샤펜프렛 수동형 광스위치

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