CN109152295A - Plug-in module and frame type equipment - Google Patents
Plug-in module and frame type equipment Download PDFInfo
- Publication number
- CN109152295A CN109152295A CN201811143087.2A CN201811143087A CN109152295A CN 109152295 A CN109152295 A CN 109152295A CN 201811143087 A CN201811143087 A CN 201811143087A CN 109152295 A CN109152295 A CN 109152295A
- Authority
- CN
- China
- Prior art keywords
- module
- plug
- flip piece
- elastic component
- module body
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/10—Plug-in assemblages of components, e.g. IC sockets
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
A kind of plug-in module and frame type equipment, belong to communication equipment field of radiating, plug-in module is used for mating with one of slot position of cabinet, it includes module body, flip piece and the first elastic component, flip piece is rotatably installed on module body, and the first elastic component is set between module body and flip piece；When flip piece is in first position, flip piece proximity modules body surface；When flip piece moves to the second position from first position under the action of the first elastic component, flip piece covers the slot position adjacent with the slot position where plug-in module.Frame type equipment includes above-mentioned plug-in module.This plug-in module can effectively improve the radiating efficiency of cabinet.This frame type equipment has the characteristics that radiating efficiency is high.
Description
Technical field
The present invention relates to communication equipment field of radiating, in particular to a kind of plug-in module and frame type equipment.
Background technique
Frame type equipment refers to the cabinet using modularized design, each plug-in module (such as plug-in module, blower module,
Power module etc.) it is independent.Each plug-in module supports redundancy backup, hot swappable, convenient for safeguarding, maintenance.With
Frame type equipment power consumption it is increasing, the heat dissipation of frame type equipment becomes increasingly stubborn problem, is especially carrying out plug mould
When block is replaced, when extracting plug-in module, vacant slot position windage is smaller, and the cooling wind for flowing into frame type equipment can be vacant via this
Slot position outflow, cause the air quantity of the cooling wind inside frame type equipment to reduce, reduce heat dissipation effect.
Summary of the invention
The purpose of the present invention includes providing a kind of plug-in module, can effectively improve the radiating efficiency of cabinet.
The purpose of the present invention further includes providing a kind of frame type equipment, has the characteristics that radiating efficiency is high.
The embodiment of the present invention is achieved in that
A kind of plug-in module, for mating with one of slot position of cabinet comprising module body, flip piece and
First elastic component, flip piece are rotatably installed on module body, and the first elastic component is set between module body and flip piece；
When flip piece is in first position, flip piece proximity modules body surface；When flip piece under the action of the first elastic component from
When first position moves to the second position, flip piece covers the slot position adjacent with the slot position where plug-in module.
Optionally, the first elastic component includes the first torsional spring, and two support arms of the first torsional spring are respectively held against module body and turn over
Turn part.
Optionally, plug-in module further includes locked component, and locked component is used to flip piece being locked in first position.
Optionally, locked component includes the first latch hook being set on flip piece, the rotating member being set in module body
And it is set to the second elastic component between module body and rotating member, rotating member clamping first under the action of the second elastic component
Latch hook.
Optionally, rotating member includes rotation section interconnected and the first trigger unit；When plug-in module is inserted into slot position and the
When the predetermined patterns of one trigger unit and cabinet contradict, the first trigger unit drives rotation section rotation, so that the first lock is unclamped in rotation section
Hook.
Optionally, module body is provided with bit-avoiding slot, and rotating member and the second elastic component are located in bit-avoiding slot；At flip piece
When first position, flip piece is located in bit-avoiding slot.
Optionally, finite place piece is set in module body；When flip piece is in first position, flip piece supports locating part
Side far from rotating member.
Optionally, locked component includes the second latch hook being set on flip piece, the sliding part being set in module body
And it is set to the third elastic component between module body and sliding part, sliding part clamping second under the action of third elastic component
Latch hook.
Optionally, sliding part includes sliding part interconnected and the second trigger unit；When plug-in module is inserted into slot position and the
When two trigger units contradict the predetermined patterns of cabinet, the second trigger unit drives sliding part sliding, so that sliding part unclamps the second latch hook.
A kind of frame type equipment comprising cabinet and above-mentioned plug-in module, cabinet are provided with multiple slot positions, and plug-in module is inserted
It is connected in one of slot position.
The effect of the embodiment of the present invention includes:
This plug-in module is used for mating with one of slot position of cabinet comprising module body, flip piece and the
One elastic component, flip piece are rotatably installed on module body, and the first elastic component is set between module body and flip piece；When
When flip piece is in first position, flip piece proximity modules body surface；When flip piece under the action of the first elastic component from
When one position moves to the second position, flip piece covers the slot position adjacent with the slot position where plug-in module.When this plug-in module
When being plugged in one of slot position of cabinet, due to the effect of the first elastic component, flip piece, which can generate, covers adjacent slot position
Trend, when the plug-in module in adjacent slot position is pulled out, flip piece can cover the vacant slot position, to avoid cold
But wind forces cooling wind to radiate by other plug-in module positions, to effectively mention from the vacant slot position outflow
The radiating efficiency of high cabinet makes up the defect of existing plug-in module.
This frame type equipment includes above-mentioned plug-in module, has the characteristics that radiating efficiency is high, effectively compensates for existing frame
The defect of formula equipment.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is front view of the plug-in module that provides of first embodiment of the invention when flip piece is in first position；
Fig. 2 is front view of the plug-in module that provides of first embodiment of the invention when flip piece is in the second position；
Fig. 3 is top view of the plug-in module that provides of first embodiment of the invention when flip piece is in first position；
Fig. 4 is top view of the plug-in module that provides of first embodiment of the invention when flip piece is in the second position；
Fig. 5 is top view of the plug-in module that provides of second embodiment of the invention when flip piece is in the second position；
Fig. 6 is the structural schematic diagram for the frame type equipment that third embodiment of the invention provides.
Icon: 10- plug-in module；100- module body；102- bit-avoiding slot；104- locating part；110- flip piece；
112- shaft；The first elastic component of 120-；200- locked component；The first latch hook of 210-；The second latch hook of 212-；220- rotation
Part；The rotation section 222-；The first trigger unit of 224-；The second elastic component of 230-；240- sliding part；242- sliding part；244-
Second trigger unit；250- third elastic component；20- frame type equipment；22- cabinet；24- slot position.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it should be noted that term " first ", " second " etc. are only used for distinguishing description, without
It can be interpreted as indication or suggestion relative importance.In the description of the present invention, it is also necessary to explanation, unless otherwise specific rule
Fixed and restriction, term " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
First embodiment:
Referring to Fig.1 and 2, a kind of plug-in module 10 is present embodiments provided, for one of slot position with cabinet
It is mating.In detail, plug-in module 10 can be inserting on the frame type equipments such as veneer module, blower module, power module
Draft block.
This plug-in module 10 includes module body 100, flip piece 110 and the first elastic component 120, and flip piece 110 can be rotated
Ground is installed on module body 100, and the first elastic component 120 is set between module body 100 and flip piece 110.When flip piece 110
When in first position, 110 proximity modules ontology of flip piece, 100 surface；When flip piece 110 is in the effect of the first elastic component 120
Under when moving to the second position from first position, the masking of flip piece 110 slot position adjacent with the slot position at 10 place of plug-in module.
Wherein, module body 100 is in substantially cuboid, is provided with bit-avoiding slot 102, when flip piece 110 is in the
When one position, flip piece 110 is located in bit-avoiding slot 102, to improve the flatness of 10 shape of plug-in module, reduces plug-in module 10
Taken up space.Referring to figure 3. and Fig. 4, finite place piece 104 is set on the inner wall of bit-avoiding slot 102, locating part 104 is substantially U-shaped
The both ends of item, U-shaped item opening are connected to the inner wall of bit-avoiding slot 102.
Flip piece 110, which can according to need, uses different structures, and in the present embodiment, flip piece 110 is generally rectangular
Plate, to mitigate sole mass.In other embodiments, flip piece 110 or arc panel.
Flip piece 110 is rotationally connected on one of side wall of module body 100 by shaft 112.When flip piece 110
When in first position, the corresponding surface of 110 proximity modules ontology of flip piece 100, to expose and 10 place slot of plug-in module
The adjacent slot position in position, it is above-mentioned " neighbouring " to be meant that flip piece 110 is close or the surface of fitting module body 100.Work as overturning
When part 110 is in the second position, flip piece 110 is far from the corresponding surface of module body 100 and substantially corresponding to module body 100
Surface it is vertical, so that the slot position adjacent with 10 place slot position of plug-in module can be covered.
First elastic component 120, which can according to need, uses different structure and quantity, in the present embodiment, the first elastic component
120 include the first torsional spring, and the first torsion spring set is set in shaft 112, and two support arms of the first torsional spring are respectively held against module body
100 and flip piece 110.The quantity of first elastic component 120 is two, axis direction of two the first elastic components 120 along shaft 112
Interval setting, to guarantee that it is adjacent with 10 place slot position of plug-in module that flip piece 110 can cover under the action of the first elastic component 120
Slot position.
In other embodiments, the first elastic component 120 can also use other structures, for example can be V-arrangement elastic slice, V-arrangement bullet
Two side arms of piece support module body 100 and flip piece 110 respectively.
Referring once again to Fig. 3 and Fig. 4, plug-in module 10 further includes locked component 200, and locked component 200 will be for that will overturn
Part 110 is locked in first position.This allows for user can lead to when flip piece 110 does not need to block adjacent slot position
It crosses locked component 200 and flip piece 110 is locked in first position, to guarantee the structural compactness of plug-in module 10, reduce plug
Module 10 is taken up space.
Locked component 200, which can according to need, uses different structures, and in the present embodiment, locked component 200 includes setting
In on flip piece 110 the first latch hook 210, the rotating member 220 that is set in module body 100 and be set to module body
The second elastic component 230 between 100 and rotating member 220, the clamping first under the action of the second elastic component 230 of rotating member 220 are locked
Hook 210.When 220 the first latch hook 210 of clamping of rotating member, flip piece 110 is locked to first position.Rotating member 220 can be outside
The lower rotation of power effect, to unclamp the first latch hook 210.When rotating member 220 unclamps the first latch hook 210, flip piece 110 from first
Position unlock.
In detail, latch hook is substantially L-shaped and passes through the local lateral bending to close to module body 100 on flip piece 110
Folding is formed.
When flip piece 110 is in first position, flip piece 110 supports side of the locating part 104 far from rotating member 220,
Flip piece 110 is avoided to collide with rotating member 220.Rotating member 220 is located in bit-avoiding slot 102, and rotating member 220 is substantially in strip
Shape and including rotation section 222 interconnected and the first trigger unit 224, the junction of rotation section 222 and the first trigger unit 224 with
Module body 100 is rotatablely connected, when plug-in module 10 is inserted into slot position and the predetermined patterns conflict of the first trigger unit 224 and cabinet
When, the first trigger unit 224 drives rotation section 222 to rotate, so that the first latch hook 210 is unclamped in rotation section 222.
It should be noted that the first latch hook 210 can also be in U-shape in other embodiments；First latch hook 210 can also weld
It is connected on flip piece 110；Rotating member 220 can also only include rotation section 222.
Second elastic component 230 also is located in bit-avoiding slot 102, and the second elastic component 230 can according to need using different knots
Structure, in the present embodiment, the second elastic component 230 includes the second torsional spring, and two support arms of the second torsional spring support module body 100 respectively
With rotating member 220.In other embodiments, the second elastic component 230 or helical spring, the both ends of bolt spring support respectively
Module body 100 and rotating member 220.
The working principle and process of this plug-in module 10 are specific as follows:
When plug-in module 10 is not inserted into the slot position of cabinet, flip piece 110 is locked component 200 and is locked in first position
(see Fig. 1 and Fig. 3), at this time 222 the first latch hook of clamping 210 of rotation section of rotating member 220；When plug-in module 10 is inserted into its of cabinet
In a slot position when, during plug-in module 10 enters slot position, the first trigger unit 224 of rotating member 220 can and cabinet
Predetermined patterns collide, and the first trigger unit 224 can drive rotation section 222 to rotate, so that the first latch hook is unclamped in rotation section 222
210, at this point, flip piece 110, which will generate under the action of the first elastic component 120 from first position, moves to becoming for the second position
Gesture.
When the slot position adjacent with 10 place slot position of plug-in module has plug-in module, flip piece 110 can be by adjacent slot position
Plug-in module stop, and the second position can not be turned to from first position；When the plug-in module 10 in adjacent slot position is pulled out
Afterwards, flip piece 110 will turn to the second position (see Fig. 2 and Fig. 4) from first position under the action of the first elastic component 120,
To cover adjacent slot position, to prevent the cooling wind in cabinet from the vacant slot position outflow, force cooling airflow through other
Plug-in module position, so that heat dissipation effect be effectively ensured.
This plug-in module 10 is used for mating with one of slot position of cabinet comprising module body 100, flip piece
110 and first elastic component 120, flip piece 110 be rotatably installed on module body 100, the first elastic component 120 is set to module
Between ontology 100 and flip piece 110；When flip piece 110 is in first position, 110 proximity modules ontology of flip piece, 100 table
Face；When moving to the second position from first position under the action of flip piece 110 is in the first elastic component 120, flip piece 110 covers
The slot position adjacent with the slot position where plug-in module 10.When this plug-in module 10 is plugged in one of slot position of cabinet, by
In the effect of the first elastic component 120, flip piece 110 can generate the trend for covering adjacent slot position, when inserting in adjacent slot position
When draft block 10 is pulled out, flip piece 110 can cover the vacant slot position, to avoid cooling wind from the vacant slot position
Outflow forces cooling wind to radiate by other 10 positions of plug-in module, so that the radiating efficiency of cabinet is effectively improved,
Make up the defect of existing plug-in module.
Second embodiment:
Referring to figure 5., a kind of plug-in module 10, overall construction, working principle and the skill of acquirement are present embodiments provided
Art effect and the plug-in module 10 that first embodiment provides are essentially identical, the difference is that the specific structure of locked component 200.
In the present embodiment, locked component 200 includes the second latch hook 212 being set on flip piece 110, is set to module sheet
Sliding part 240 on body 100 and the third elastic component 250 being set between module body 100 and sliding part 240, sliding part
240 under the action of third elastic component 250 the second latch hook of clamping 212.
Sliding part 240 is substantially elongated and including sliding part 242 interconnected and the second trigger unit 244, works as plug
When module 10 is inserted into slot position and the predetermined patterns of the second trigger unit 244 conflict cabinet, the second trigger unit 244 drives sliding part 242
Sliding, so that sliding part 242 unclamps the second latch hook 212.
Third elastic component 250, which can according to need, uses different structures, and in the present embodiment, third elastic component 250 is spiral shell
Spring is revolved, the both ends of helical spring are respectively held against module body 100 and sliding part 240.In other embodiments, third elastic component
250 may be torsional spring, and two support arms of torsional spring are respectively held against module body 100 and sliding part 240.
3rd embodiment:
Fig. 6 is please referred to, a kind of frame type equipment 20 is present embodiments provided comprising cabinet 22 and first embodiment or
The plug-in module 10 that two embodiments provide, cabinet 22 are provided with multiple slot positions 24, and plug-in module 10 is plugged in one of slot position
In 24.The flip piece 110 of plug-in module 10 is in the second position, to cover the slot adjacent with the slot position 24 where plug-in module 10
Position 24.This frame type equipment 20 has the characteristics that radiating efficiency is high, effectively compensates for the defect of existing frame type equipment.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of plug-in module, for mating with one of slot position of cabinet, which is characterized in that including module body,
Flip piece and the first elastic component, the flip piece are rotatably installed on the module body, and first elastic component is set to
Between the module body and the flip piece；
When the flip piece is in first position, the flip piece is adjacent to the module body surface；
It is described to turn over when the flip piece moves to the second position from the first position under the action of first elastic component
Turn part and covers the slot position adjacent with the slot position where the plug-in module.
2. plug-in module according to claim 1, which is characterized in that first elastic component includes the first torsional spring, described
Two support arms of the first torsional spring are respectively held against the module body and the flip piece.
3. plug-in module according to claim 1, which is characterized in that the plug-in module further includes locked component, described
Locked component is used to the flip piece being locked in the first position.
4. plug-in module according to claim 3, which is characterized in that the locked component includes being set to the flip piece
On the first latch hook, the rotating member that is set in the module body and be set to the module body and the rotating member it
Between the second elastic component, the rotating member first latch hook described in clamping under the action of second elastic component.
5. plug-in module according to claim 4, which is characterized in that the rotating member include rotation section interconnected and
First trigger unit；
It is described when the plug-in module is inserted into the slot position and the predetermined patterns of first trigger unit and the cabinet contradict
First trigger unit drives the rotation section rotation, so that first latch hook is unclamped in the rotation section.
6. plug-in module according to claim 4, which is characterized in that the module body is provided with bit-avoiding slot, and described turn
Moving part and second elastic component are located in the bit-avoiding slot；
When the flip piece is in the first position, the flip piece is located in the bit-avoiding slot.
7. plug-in module according to claim 4, which is characterized in that finite place piece is arranged in the module body；
When the flip piece is in the first position, the flip piece supports one of the locating part far from the rotating member
Side.
8. plug-in module according to claim 3, which is characterized in that the locked component includes being set to the flip piece
On the second latch hook, the sliding part that is set in the module body and be set to the module body and the sliding part it
Between third elastic component, the sliding part second latch hook described in clamping under the action of the third elastic component.
9. plug-in module according to claim 8, which is characterized in that the sliding part include sliding part interconnected and
Second trigger unit；
When the plug-in module is inserted into the slot position and second trigger unit contradicts the predetermined patterns of the cabinet, described
Two trigger units drive the sliding part sliding, so that the sliding part unclamps second latch hook.
10. a kind of frame type equipment, which is characterized in that including cabinet and plug-in module described in any one of claim 1-9,
The cabinet is provided with multiple slot positions, and the plug-in module is plugged in one of them described slot position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811143087.2A CN109152295B (en) | 2018-09-28 | 2018-09-28 | Plug-in module and frame type equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811143087.2A CN109152295B (en) | 2018-09-28 | 2018-09-28 | Plug-in module and frame type equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109152295A true CN109152295A (en) | 2019-01-04 |
| CN109152295B CN109152295B (en) | 2021-02-09 |
Family
ID=64813454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811143087.2A Active CN109152295B (en) | 2018-09-28 | 2018-09-28 | Plug-in module and frame type equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109152295B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114449832A (en) * | 2020-11-06 | 2022-05-06 | 华为技术有限公司 | Communication equipment |
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| CN103596410A (en) * | 2013-11-20 | 2014-02-19 | 华为技术有限公司 | Communication board and communication device |
| CN104460885A (en) * | 2014-11-27 | 2015-03-25 | 华为技术有限公司 | Case and storage device |
| CN104679174A (en) * | 2013-11-26 | 2015-06-03 | 纬创资通股份有限公司 | Electronic device with function of replacing element |
| CN206249186U (en) * | 2016-09-05 | 2017-06-13 | 勤诚兴业股份有限公司 | Anti-return baffle arrangement in cabinet |
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| US20080204995A1 (en) * | 2001-02-28 | 2008-08-28 | Adc Telecommunications Inc. | Telecommunications Chassis and Card |
| CN2745105Y (en) * | 2004-11-12 | 2005-12-07 | 鸿富锦精密工业（深圳）有限公司 | Locking device for top cover of notebook computer |
| CN102149259A (en) * | 2011-04-01 | 2011-08-10 | 鸿富锦精密工业（深圳）有限公司 | Panel |
| CN103596410A (en) * | 2013-11-20 | 2014-02-19 | 华为技术有限公司 | Communication board and communication device |
| CN104679174A (en) * | 2013-11-26 | 2015-06-03 | 纬创资通股份有限公司 | Electronic device with function of replacing element |
| CN104460885A (en) * | 2014-11-27 | 2015-03-25 | 华为技术有限公司 | Case and storage device |
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| CN114449832A (en) * | 2020-11-06 | 2022-05-06 | 华为技术有限公司 | Communication equipment |
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| Publication number | Publication date |
|---|---|
| CN109152295B (en) | 2021-02-09 |
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