CN109031546A - The tripper of pluggable optical module and its pluggable optical module of application - Google Patents
The tripper of pluggable optical module and its pluggable optical module of application Download PDFInfo
- Publication number
- CN109031546A CN109031546A CN201810935771.8A CN201810935771A CN109031546A CN 109031546 A CN109031546 A CN 109031546A CN 201810935771 A CN201810935771 A CN 201810935771A CN 109031546 A CN109031546 A CN 109031546A
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- China
- Prior art keywords
- optical module
- solution lock
- tripper
- bottom case
- lock slide
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- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4256—Details of housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
This application discloses a kind of trippers of pluggable optical module, for making optical module unlock exit metal cage, it include: bottom case, upper casing, solution lock slide and pull ring, bottom case and top shells fit are used to accommodate the circuit board and optical transceiver of optical module, pull ring is rotatably installed on solution lock slide, with the plane of rotation to offset with upper casing, and in unlock by rotating pull ring to pull solution lock slide, make to solve the elastic force that lock slide overcomes reset spring, it is slided in the limiting slot of bottom case and upper casing, and the elastic slice on metal cage is jacked up by solution lock section and is latched.Based on optical module tripper provided by the present application, in the smaller situation of occupied space, make pluggable optical module lock in the host device and unlocking motion it is simpler, it is firm with it is smooth, and the installation and removal of tripper itself are also more convenient, quick.
Description
Technical field
This application involves the trippers and its application of technical field of photo communication more particularly to a kind of pluggable optical module
Pluggable optical module.
Background technique
The steady development of global telecommunications industry and the steady-state growth of broadband user have established heavily fortified point for the development of optical communications industry
Real basis.With the optical communications industries application field such as the continuous improvement of global bandwidth demand and data center, safety monitoring
Extension, fiber broadband, which accesses, has become the communication pattern of mainstream.It is answered in the terminals such as smart phone and video and cloud computing etc.
Under universal promotion, the continuous investment construction of telecom operators, upgrading mobile broadband network and fiber broadband network, optic communication
Equipment investment scale also further expansion.
The fast development of optical communications industry, while also having driven the update of optical module.Current optical communications increasingly
Under fierce market competition environment, demand of the communication equipment to equipment size and raising interphase density is reduced is also higher and higher.For
This demand is adapted to, optical module also develops towards the inner wrapping direction of high integration.At the same time, pluggable optical module is also got over
To be used in combination with optical fiber communication equipment more, by the way that electric signal is sent to printed circuit board, and from printed circuit board
It receives electric signal and is communicated with the printed circuit board in host apparatus.
However, a general design difficulty of pluggable optical module is in the prior art, optical module is passing through unlock dress
It sets during being inserted into host that there may be the not stable problems of locking, and may then be deposited during being extracted from host
The problem of unlock has some setbacks.
Summary of the invention
The purpose of the application is to provide a kind of tripper of pluggable optical module and its pluggable optical module of application, with
Solve the problems, such as in the prior art optical module tripper lock in use it is not stable or unlock have some setbacks.
In order to achieve the above object, on the one hand, the application provides a kind of tripper of pluggable optical module, for making light
Metal cage is exited in module unlock, comprising: bottom case, upper casing, solution lock slide and pull ring, the bottom case is with the top shells fit for holding
Receive the circuit board and optical transceiver of the optical module, side is equipped with accommodating corresponding with the solution lock slide to the bottom case at one end
Space, the accommodating space have lock face, the first limiting slot and spring groove, the lock face be used for on the metal cage
Elastic slice lock is matched to lock the optical module, and first limiting slot is used to limit the sliding space of the solution lock slide,
The spring groove is used to accommodate reset spring to provide the reset force of the solution lock slide；The upper casing be equipped at one end with it is described
Corresponding second limiting slot of first limit groove location, and there is the contact projection for cooperating with the pull ring；The unlock is slided
Block is equipped with solution lock section, retention bead, spring protrusion and hook portion, and the solution lock section is used to jack up the spring-piece lock in unlock
Button, the retention bead are placed in first limiting slot and second limiting slot, and the spring protrusion is placed in described
It offsets in the spring groove of bottom case and with one end of the reset spring, the hook portion has axis hole；The pull ring passes through described
Axis hole is rotatably installed in the hook portion, has the plane of rotation to offset with the contact projection of the upper casing, and unlocking
When by rotating the pull ring to pull the solution lock slide, so that the solution lock slide is overcome the elastic force, logical of the reset spring
The retention bead is crossed to slide in first limiting slot and second limiting slot and by described in solution lock section jack-up
Elastic slice lock.
In one embodiment, the solution lock slide includes left slider and right sliding block, two sides of the bottom case at one end
Face is symmetrically arranged with the accommodating space, and there are two second limiting slots for the corresponding setting of the upper casing.
In one embodiment, the main body of the solution lock slide is in flat-shaped；The solution lock section is set to the main body
One end end face；The hook portion is set on the upside of the other end of the main body；Two retention beads are respectively arranged on the main body
Two sides up and down, it is corresponding with first limiting slot and second limiting slot respectively；The spring protrusion is set to the main body
Inside, it is corresponding with one end of the spring groove.
In one embodiment, the solution lock section is wedge-shaped protrusion.
In one embodiment, the pull ring includes transverse arm and forms U-shaped left-handed arm and right swing arm with the transverse arm,
The rotary shaft with the shaft hole matching, and the left-handed arm and dextrorotation are symmetrically arranged on the inside of the left-handed arm and right swing arm
The motion-stopping surface for being provided with the plane of rotation and be connected with the plane of rotation of two end symmetrics of arm.
In one embodiment, the side of the bottom case offers observation slot along the vertical direction, the observation slot with it is described
Spring groove one end of accommodating space is connected to, and installs the reset spring and the solution lock slide for assisting.
In one embodiment, the bottom case also has the chamber for accommodating the circuit board and optical transceiver, described
Chamber is equipped with briquetting mounting groove, screw hole and heat bulge, and the briquetting mounting groove is used to cooperate clinching permanent domicile with briquetting
Optical transceiver is stated, the screw hole passes through thermally conductive for installing and fixing the circuit board and the upper casing, the heat bulge
Silica gel or thermally conductive silicon wafer are in contact with the circuit board.
On the other hand, the application also provides a kind of optical module for applying tripper as described above, and the optical module is except described
Outside tripper further include: optical transceiver, briquetting and circuit board；The optical transceiver is fixed on the bottom case by the briquetting
In, transmission and reception for optical signal；The circuit board is fixed in the bottom case by screw, and with the optical transceiver
Connection, the conversion for photosignal.
In one embodiment, the optical transceiver and the circuit board pass through flexible circuit band connection.
Make pluggable optical module in the smaller situation of occupied space based on optical module tripper provided by the present application
Locking and unlocking motion are simpler, firm with smooth, and installation and removal of tripper itself in the host device
It is more convenient, quick.
Detailed description of the invention
Fig. 1 is the example structure explosive view of the application pluggable optical module；
Fig. 2 is the embodiment assembling effect figure one of the application pluggable optical module；
Fig. 3 is the embodiment assembling effect figure two of the application pluggable optical module；
Fig. 4 is the effect diagram that Fig. 3 embodiment removes upper casing；
Fig. 5 is the bottom case schematic diagram of the application optical module tripper embodiment；
Fig. 6 is the unlock slide block schematic diagram of the application optical module tripper embodiment；
Fig. 7 is that the bottom case of the application optical module tripper embodiment and solution lock slide cooperate schematic diagram；
Fig. 8 is the pull ring schematic diagram of the application optical module tripper embodiment；
Fig. 9 is the upper casing schematic diagram of the application optical module tripper embodiment；
Figure 10 is the unlocked state schematic diagram of the application optical module tripper embodiment；
Figure 11 is the metal cage schematic diagram cooperated with the application pluggable optical module embodiment.
The reference numerals are as follows:
100 bottom cases
110 accommodating space, 120 spring groove, 130 lock face, 140 first limiting slot
150 end bosses 160 observe 170 lock slots of slot, 180 block slots
191 heat bulge, 192 marking part, 193 side slot tag
200 upper casings
210 contact projection, 211 sliding surface, 212 motion-stopping surface, 240 second limiting slot
310 311 solution lock section of left solution lock slide, 312 hook portion, 313 spring protrusion
314 retention bead, 315 retention bead, 316 axis hole
320 right solution lock slides
400 pull rings
411 plane of rotation, 412 motion-stopping surface, 413 rotary shaft, 414 rotating arm
415 crossbeams
500 briquettings
600 springs
700 screws
810 circuit board, 820 optical transmitter, 830 optical receiver, 840 flexible circuit tape
900 metal cage, 910 elastic slice lock
Specific embodiment
The specific embodiment of the application is described more fully below.It should be noted that the embodiments described herein is served only for illustrating
Illustrate, is not intended to limit this application.
It should be noted that the optical module in following embodiment is with XFP (the 10Gb Small Form- of current mainstream
Factor Pluggable, 10Gb small pluggable) for be illustrated, but this not limit the application protection scope.This
Field technical staff is based on disclosure of this application, can be applied to the optical module of other specifications, details are not described herein again.
Fig. 1 is the example structure explosive view of the application pluggable optical module, and Fig. 2 to Fig. 4 is the pluggable optical mode of the application
The embodiment assembling effect figure of block, Fig. 5 to Fig. 9 are then respectively the signal of each component in the application optical module tripper embodiment
Figure, Figure 10 are the unlocked state schematic diagram of the application optical module tripper embodiment, and Figure 11 is then and the application pluggable light
The metal cage schematic diagram of module embodiments cooperation.In conjunction with shown in those figures, which includes bottom case 100, upper casing 200, unlock
Sliding block 310-320 and pull ring 400.
As shown in Figure 1, bottom case 100 and upper casing 200 cooperate circuit board 810 and optical transceiver 820- for accommodating optical module
830。
In conjunction with refering to what is shown in Fig. 5, bottom case 100 side is equipped with and the corresponding accommodating space of solution lock slide 310-320 at one end
110, accommodating space 110 has lock face 130, the first limiting slot 140 and spring groove 120, and lock face 130 is used for and metal cage
Elastic slice lock 910 on 900 is matched to lock optical module, and the sliding that the first limiting slot 140 is used to limit solution lock slide 310 is empty
Between, spring groove 120 is used to accommodate reset spring 600 to provide the reset force of solution lock slide 310.
It connects as shown in figure 5, the side of bottom case 100 offers observation slot 160, observation slot 160 and accommodating along the vertical direction
120 one end of spring groove in space 110 is connected to, and installs the spring 600 and the solution lock slide 310 for assisting.In conjunction with reference
Shown in Fig. 5 and Fig. 7, when assembling the reconciliation lock slide 310 of bottom case 100, spring 600 is put into spring groove 120, and make spring
600 end face offsets with the end bosses 150 of spring groove 120；Then tweezers are used, by observing 160 compressed spring 600 of slot
Other end take out tweezers, the other end of spring 600 and bullet be inserted into spring protrusion 313 in spring groove 120
Spring protrusion 313 is in contact, so that solution lock slide 310 is also pushed into accommodating space 110.
In addition, bottom case 100 has for accommodating the lock slots 170 of solution lock section 311 and for accommodating circuit board 810 and light
The chamber of transceiver 820-830, chamber are equipped with briquetting mounting groove 180, screw hole and heat bulge 191.
In conjunction with shown in reference Fig. 1 and Fig. 4, briquetting mounting groove 180 is used to fix light with the cooperation clinching of a pair of of briquetting 500 and receive
Send out device 820-830；Screw hole is for being packed into screw 700, to install and fix circuit board 810 and upper casing 200 on bottom case 100；
Heat bulge 191 by heat conductive silica gel or thermally conductive silicon wafer with circuit board 810 then for being in contact, so as to will be on circuit board 810
The heat that multiple components generate is conducted to bottom case 100 and is distributed to optical module.
In addition, returning shown in Fig. 5, marking part 192 and side mark are respectively arranged on the inside bottom surface and lateral surface of bottom case 100
Slot 193 is signed, wherein marking part 192 can be used for indicating information, the side slot tag 193 such as company LOGO (pattern) and die sinking date and then may be used
For pasting the label of optical module.
It should be noted that in one embodiment, solution lock slide includes left slider 310 and right sliding block 320, bottom case 100
Two sides at one end are symmetrically arranged with accommodating space 110, and there are two the second limiting slots 240 for the corresponding setting of upper casing 200.
In the explanation of following embodiment, by taking left slider 310 and its accommodating space 110 and the second limiting slot 240 of corresponding side as an example
It is described, then full symmetric with the former as the component of right sliding block 320 and its corresponding side, details are not described herein again.
In conjunction with refering to what is shown in Fig. 9, upper casing 200 is equipped with the second limiting slot corresponding with 140 position of the first limiting slot at one end
240, and there is the contact projection 210 for cooperating with pull ring 400.In one embodiment, contact projection 210 here includes
Mutually linking sliding surface 211 and motion-stopping surface 212, are respectively used to contact with the different piece of pull ring 400, be detailed in described hereinafter.
In conjunction with refering to what is shown in Fig. 6, solution lock slide 310 is equipped with solution lock section 311, retention bead 314-315, spring protrusion 313
And hook portion 312.Wherein, solution lock section 311 is used to jack up elastic slice lock 910 in unlock, and retention bead 314-315 is accommodated respectively
In the first limiting slot 140 and the second limiting slot 240, spring protrusion 313 be placed in the spring groove 120 of bottom case 100 and with it is multiple
One end of position spring 600 offsets, and hook portion 312 has the axis hole 316 for cooperating with pull ring.
It connects as shown in fig. 6, the main body of solution lock slide 310 is in flat-shaped；Solution lock section 311 is wedge-shaped protrusion, is set to master
One end end face of body；Hook portion 312 is set on the upside of the other end of main body；Two retention bead 314-315 are respectively arranged on main body
Upper and lower two sides, it is corresponding with the first limiting slot 140 and the second limiting slot 240 respectively；Spring protrusion 313 is set to the inside of main body, with
One end of spring groove 120 is corresponding.
In conjunction with shown in reference Fig. 8 and Figure 10, pull ring 400 is rotatably installed in hook portion 312 by axis hole 316, is had
There is the plane of rotation to offset with the contact projection 210 of upper casing 200, and in unlock by rotating pull ring 400 to pull solution lock slide
310, make to solve lock slide 310 overcome the elastic force of reset spring 600, by retention bead 314-315 in the first limiting slot 140 and the
It is slided in two limiting slots 240 and elastic slice lock 910 is jacked up by solution lock section 311, so that elastic slice lock 910 be made to leave bottom case 100
Lock face 130, and then enable optical module smoothly from metal cage 900 extract, realize unlock.
It connects as shown in figure 8, pull ring 400 includes transverse arm 415 and forms U-shaped left-handed arm and right swing arm with transverse arm 415
414, the inside of left-handed arm and right swing arm 414 is symmetrically arranged with the rotary shaft 413 with shaft hole matching, and left-handed arm and right swing arm
414 two end symmetrics are provided with plane of rotation 411 and the motion-stopping surface being connected with plane of rotation 411 412.In addition, with reference to figure
Shown in 10, the groove for indicating unlock pull direction is additionally provided on the transverse arm 415 of pull ring 400.
In conjunction with shown in Fig. 1 to Figure 11, the unlock to the tripper embodiment of the application pluggable optical module below and return
Multiple process is illustrated.Before unlock, it is assumed that optical module has been inserted into metal cage 900 shown in Figure 11, and passes through metal cage
Elastic slice lock 910 on 900 blocks the lock face 130 of 100 side of bottom case, so that optical module is fixed on metal cage 900.
Connect, when needing to unlock, on the transverse arm 415 of pull ring 400 apply pulling force to rotate pull ring 400, make pull ring 400 around
Rotary shaft 413 rotates.The plane of rotation 411 of pull ring 400 slides on the sliding surface 211 of upper casing 200, meanwhile, rotary shaft 413, which pulls, hangs
Hook portion 312.Correspondingly, solution lock slide 310 hook portion 312 pulling lower edge the first limiting slot 140 and the second limiting slot 240 into
Row sliding.Then, the solution lock section 311 for solving lock slide 310 is driven, and jacks up the elastic slice lock 910 of 900 side of metal cage outward,
It is detached from elastic slice lock 910 from lock face 130, and then optical module is enable smoothly to extract from metal cage 900, to complete to unlock
Movement.
Pull ring 400 is further continued for rotating, until the motion-stopping surface 212 of upper casing 200 is arrived on its motion-stopping surface 412 top, stops pull ring 400
Rotation is made in such manner, it is possible to which pull ring 400 is avoided to damage because excessively being rotated as far as possible to play certain protection to pull ring 400
With.
Finally, optical module unlock is completed, pull ring 400 also stops rotating under the protection of motion-stopping surface 212.Correspondingly, assuming
The external force acted on pull ring 400 at this time disappears, and is in the spring 600 of compressive state in spring groove 120 due to external force, starts
Release restores elastic force, to push solution lock slide 310 to be resetted by spring protrusion 313, has correspondingly also driven pull ring 400
It is resetted.
Embodiments herein also provides a kind of optical module of application tripper as described in an above-mentioned embodiment.Such as Fig. 1
It is shown, other than each component of above-mentioned tripper, the optical module further include: optical transceiver 820-830, briquetting 500 and circuit
Plate 810.Wherein, optical transceiver 820-830 is used for the transmission and reception of optical signal, is fixed on bottom case by a pair of of briquetting 500
In 200 briquetting mounting groove 180；Circuit board 810 is fixed in bottom case 100 by screw 700, and passes through flexible circuit tape 840
It is connect with optical transceiver 820-830, to carry out the conversion of photosignal.
It can refer to above-mentioned tripper embodiment as the other component of tripper included in optical module and retouch in detail
It states, details are not described herein again.
Although exemplary embodiment describes the application with reference to several, it is to be understood that, term used is explanation and shows
Example property, term and not restrictive.The spirit or reality that can be embodied in a variety of forms due to the application without departing from application
Matter, it should therefore be appreciated that above-described embodiment is not limited to any of the foregoing details, and the spirit defined by appended claims
It all should be accompanying power with the whole change and modification widely explained, therefore fallen into claim or its equivalent scope in range
Benefit requires to be covered.
Claims (9)
1. a kind of tripper of pluggable optical module, for making optical module unlock exit metal cage, comprising: bottom case, upper casing, solution
Lock slide and pull ring, the bottom case and the top shells fit are used to accommodate the circuit board and optical transceiver of the optical module, special
Sign is,
Side is equipped with accommodating space corresponding with the solution lock slide to the bottom case at one end, and the accommodating space has locking
Face, the first limiting slot and spring groove, the lock face are used to match described in latching with the elastic slice lock on the metal cage
Optical module, first limiting slot are used to limit the sliding space of the solution lock slide, and the spring groove resets bullet for accommodating
Spring is to provide the reset force of the solution lock slide；
The upper casing be equipped at one end with corresponding second limiting slot of the first limit groove location, and have for the drawing
The contact projection of ring cooperation；
The solution lock slide is equipped with solution lock section, retention bead, spring protrusion and hook portion, and the solution lock section is used to push up in unlock
The elastic slice lock is played, the retention bead is placed in first limiting slot and second limiting slot, and the spring is convex
It rises and is placed in the spring groove of the bottom case and offsets with one end of the reset spring, the hook portion has axis hole；
The pull ring is rotatably installed in the hook portion by the axis hole, has the contact projection phase with the upper casing
The plane of rotation supported, and so that the solution lock slide is overcome institute by rotating the pull ring to pull the solution lock slide in unlock
The elastic force of reset spring is stated, slides and leads in first limiting slot and second limiting slot by the retention bead
It crosses the solution lock section and jacks up the elastic slice lock.
2. tripper as described in claim 1, which is characterized in that the solution lock slide includes left slider and right sliding block, institute
It states two sides of bottom case at one end and is symmetrically arranged with the accommodating space, there are two described for the corresponding setting of the upper casing
Two limiting slots.
3. tripper as claimed in claim 1 or 2, which is characterized in that the main body of the solution lock slide is in flat-shaped；Institute
State one end end face that solution lock section is set to the main body；The hook portion is set on the upside of the other end of the main body；Two limits
Position protrusion is respectively arranged on the two sides up and down of the main body, corresponding with first limiting slot and second limiting slot respectively；Institute
The inside that spring protrusion is set to the main body is stated, it is corresponding with one end of the spring groove.
4. tripper as claimed in claim 3, which is characterized in that the solution lock section is wedge-shaped protrusion.
5. tripper as described in claim 1, which is characterized in that the pull ring includes transverse arm and forms with the transverse arm
U-shaped left-handed arm and right swing arm are symmetrically arranged with the rotation with the shaft hole matching on the inside of the left-handed arm and right swing arm
Axis, and two end symmetrics of the left-handed arm and right swing arm are provided with the plane of rotation and are connected with the plane of rotation
Motion-stopping surface.
6. tripper as claimed in claim 1 or 2, which is characterized in that the side of the bottom case offers along the vertical direction
Slot is observed, the observation slot is connected to spring groove one end of the accommodating space, installs the reset spring and institute for assisting
State solution lock slide.
7. tripper as claimed in claim 1 or 2, which is characterized in that the bottom case also has for accommodating the circuit
The chamber of plate and optical transceiver, the chamber are equipped with briquetting mounting groove, screw hole and heat bulge, and the briquetting mounting groove is used for
Optical transceiver is secured the above with briquetting cooperation clinching, and the screw hole is for installing and fixing the circuit board and described
Shell, the heat bulge are in contact by heat conductive silica gel or thermally conductive silicon wafer with the circuit board.
8. a kind of optical module of application tripper as described in claim any one of 1-7, which is characterized in that the optical module packet
Include the tripper, further includes: optical transceiver, briquetting and circuit board；The optical transceiver is fixed on institute by the briquetting
It states in bottom case, the transmission and reception for optical signal；The circuit board is fixed in the bottom case by screw, and with the light
Transceiver connection, the conversion for photosignal.
9. optical module as claimed in claim 8, which is characterized in that the optical transceiver and the circuit board pass through flexible circuit
Band connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935771.8A CN109031546A (en) | 2018-08-16 | 2018-08-16 | The tripper of pluggable optical module and its pluggable optical module of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935771.8A CN109031546A (en) | 2018-08-16 | 2018-08-16 | The tripper of pluggable optical module and its pluggable optical module of application |
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| Publication Number | Publication Date |
|---|---|
| CN109031546A true CN109031546A (en) | 2018-12-18 |
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|---|---|---|---|
| CN201810935771.8A Pending CN109031546A (en) | 2018-08-16 | 2018-08-16 | The tripper of pluggable optical module and its pluggable optical module of application |
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| CN107092059A (en) * | 2017-06-28 | 2017-08-25 | 昂纳信息技术（深圳）有限公司 | Optical module tripper |
| CN109521537A (en) * | 2019-01-08 | 2019-03-26 | 河北华美光电子有限公司 | A kind of plug optical module |
| CN109917522A (en) * | 2019-04-30 | 2019-06-21 | 河北华美光电子有限公司 | A kind of optical module |
| CN110346882A (en) * | 2019-06-11 | 2019-10-18 | 武汉电信器件有限公司 | A kind of rotation backing type module unlocking mechanism |
| WO2021129811A1 (en) * | 2019-12-25 | 2021-07-01 | 华为技术有限公司 | Circuit breaker and power distribution system |
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| CN110346882B (en) * | 2019-06-11 | 2021-09-14 | 武汉电信器件有限公司 | Rotary backspacing type module unlocking mechanism |
| WO2021129811A1 (en) * | 2019-12-25 | 2021-07-01 | 华为技术有限公司 | Circuit breaker and power distribution system |
| US11875961B2 (en) | 2019-12-25 | 2024-01-16 | Huawei Digital Power Technologies Co., Ltd. | Circuit breaker and power distribution system |
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