CN108825952A - A kind of panel lifting device and multimedia terminal - Google Patents
A kind of panel lifting device and multimedia terminal Download PDFInfo
- Publication number
- CN108825952A CN108825952A CN201810878045.7A CN201810878045A CN108825952A CN 108825952 A CN108825952 A CN 108825952A CN 201810878045 A CN201810878045 A CN 201810878045A CN 108825952 A CN108825952 A CN 108825952A
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- panel
- chain
- sprocket
- lifting device
- motor
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- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000001965 increasing effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The invention discloses a kind of panel lifting device and multimedia terminals,Including drive assembly and guiding assembly,Drive assembly includes sprocket,Chain and motor,The quantity of sprocket is two,And it is arranged along short transverse,Chain ring is arranged around sprocket,Motor is set to the side of chain,The power output shaft of motor is connect with sprocket transmission,For driving chain to move in the height direction by sprocket,Guiding assembly includes guide bar and sliding block,Slide block set is set on guide bar,And it is connected with chain and panel,By by position set by drive assembly by changing above or below lifting device to the two sides of lifting device,Reduce lifting device occupied space in integral device,It ensure that lifting process moves along a straight line always using the structure by chain-driving guide bar top shoe,It is increased by adjustable height in the height direction,For the increase of panel size and when adjustable height is identical,Multimedia terminal miniaturization provides solution.
Description
Technical field
The present invention relates to multimedia terminal equipment technical field, in particular to a kind of panel lifting device and multimedia are whole
End.
Background technique
With constantly improve for multimedia equipment technology, at the train station, the administrative working Room, bank, hospital and school etc.
In unit, has begun and auxiliary activities is largely carried out using multimedia equipment handle and teaching experiment task.
Wherein, part multimedia terminal has elevating function, and display or man-machine interaction panel are assemblied in liftable face
On plate, panel is risen to carry out various operations when in use, in storage, panel is fallen to the occupancy for reducing space, and protect
Protect screen or operation panel.
However, manufacturer starts to increase the ruler of display and man-machine interaction panel with the development of liquid crystal display technology and universal
It is very little, to improve the operating experience of user.And traditional elevating mechanism uses the motor driven elevating lever being vertically arranged, and drives
Display is gone up and down, and motor occupies the inner space of multimedia terminal, display in the lifting region of multimedia terminal always
The maximum height that can be used subtract the remaining space of motor height for the height in multimedia terminal, cause multimedia end
The following difficulty that structure optimization is carried out on the directions such as miniaturization and screen size increase in end.
Summary of the invention
For this reason, it may be necessary to provide a kind of panel lifting device, panel lifting space is occupied to solve motor in the prior art, is made
The problem of structure optimization difficulty is carried out in miniaturization and the increased direction of screen size at multimedia terminal.
To achieve the above object, a kind of panel lifting device is inventor provided, the panel is set to multimedia terminal
On, including drive assembly and guiding assembly；
The drive assembly includes sprocket, chain and motor, and the quantity of sprocket is two, and is arranged along short transverse, chain
Tooth releasable connection is in the shaft of multimedia terminal, and chain ring is arranged around sprocket, and forms moving track in the height direction, horse
Up to the side for being set to chain, the power output shaft of motor is connect with sprocket transmission, for driving chain in height by sprocket
It is moved on direction；
The guiding assembly includes guide bar and sliding block, guide bar along short transverse releasable connection on multimedia terminal,
Slide block set is set on guide bar, and is connected with chain and panel.
It further, further include protective device, the protective device includes grating and push switch, grating and push switch
It is set on panel, and is electrically connected respectively by PLC with motor, for controlling the start and stop of motor.
It further, further include synchronous rotating shaft, the quantity of the drive assembly and guiding assembly is two, and is symmetrical arranged
In on multimedia terminal, the sliding block of two guiding assemblies is connected to the two sides of panel, and synchronous rotating shaft and symmetrically arranged sprocket pass
Dynamic connection, motor and synchronous rotating shaft are sequentially connected.
It further, further include sliding block mounting plate, the quantity of the sliding block is two, and sliding block mounting plate is assemblied in two cunnings
On block, panel is connected by sliding block mounting plate with sliding block.
It further, further include propelling sheave, the propelling sheave is set on the sliding trace of chain, and is connected with chain
Touching.
It further, further include bearing and bolt, the quantity of bearing is two, is equipped with cavity in sprocket, bearing is assemblied in
In the cavity of sprocket, bolt is equipped with outer tooth, and bolt is in contact by outer tooth with bearing, and bearing passes through bolt and the removable company of shaft
It connects.
It further, further include limitation travel switch, the limitation travel switch is set to the top of sliding block sliding trace
Or bottom, and be electrically connected by PLC with motor, for controlling the start and stop of motor.
It further, further include plum coupling, the power output shaft of the motor is passed by plum coupling and sprocket
Dynamic connection.
Further, the chain is three points of chains.
It is different from the prior art, above-mentioned technical proposal has the following advantages that：By the way that panel-mounted is set in along short transverse
On the sprocket and chain set, and the drive assembly by being set to sprocket side is driven, by position set by drive assembly
It sets by changing above or below lifting device to the two sides of lifting device, it is occupied in integral device to reduce lifting device
Space, ensure that lifting process moves along a straight line always using the structure by chain-driving guide bar top shoe, be replaced as
The lifting section of lifting device, increases adjustable height in the height direction, for the increase of panel size and in lifting height
When spending identical, multimedia terminal miniaturization provides solution.
To achieve the above object, inventor additionally provides a kind of multimedia terminal, including lifting panel, operation panel and face
Plate lifting device, the lifting panel and operation panel are set on multimedia terminal, operation panel and panel lifting device electricity
Connection, the chain lifting device are the panel lifting device in above-mentioned technical proposal.
It is different from the prior art, above-mentioned technical proposal has the following advantages that：By being provided with the more of panel lifting device
Media termination improves the space utilization rate of multimedia terminal in the height direction, guarantees the adjustable height of lifting device, convenient for increasing
The size of display and touch screen for adding panel and being set on panel.
Detailed description of the invention
Fig. 1 is the overall structure diagram of multimedia terminal in the embodiment of the present invention；
Fig. 2 is the thin portion structural schematic diagram of lifting device in the embodiment of the present invention；
Fig. 3 is the thin portion structural schematic diagram of slide block structure in the embodiment of the present invention；
Fig. 4 is the thin portion structural schematic diagram of sprocket in the embodiment of the present invention；
Fig. 5 is the thin portion structural schematic diagram of sprocket bearing in the embodiment of the present invention.
Description of symbols：
101, drive assembly；102, sprocket；1021, bearing；1022, bolt；
1023, outer tooth；103, chain；104, motor；105, synchronous rotating shaft；
106, limitation travel switch；107, plum coupling；
201, guiding assembly；202, guide bar；203, sliding block；204, sliding block mounting plate；
205, propelling sheave；
301, protective device；302, grating；303, push switch；
401, panel is gone up and down；
501, operation panel.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Also referring to Fig. 1 and Fig. 2, present embodiment discloses a kind of panel lifting device, including drive assembly 101,
Guiding assembly 201 and lifting panel 401, drive assembly 101 include sprocket 102, chain 103 and motor 104, the number of sprocket 102
Amount is two, and is respectively arranged at the both ends in short transverse, and be set on multimedia terminal (in the present embodiment by shaft
In, the shaft of multimedia terminal may be disposed on bracket, or be set on shell), chain 103 surround and is set on sprocket 102
(in the present embodiment, chain uses three points of chain structures), two sprockets 102 of linkage, the power output shaft of motor 104 and position
In lower section sprocket 102 transmission connection (in hill, motor use electric motor, motor power output shaft and sprocket it
Between be equipped with motor reducer, the input terminal of the power output shaft of motor and motor reducer is sequentially connected, motor reducer it is defeated
Outlet is connect with sprocket transmission, convenient for reducing revolving speed when motor transmits power the revolving speed of sprocket is able to and chain-driving liter
The speed of drop panel lifting matches).Guiding assembly 201 includes guide bar 202 and sliding block 203, and guide bar 202 is vertically arranged,
Sliding block 203 is sheathed on guide bar 202, and sliding block 203 is connected with chain 103 and lifting panel 401, display screen or lifting face
Plate 401.
According to above structure, panel lifting device it is specifically used during, operator needs that display will be equipped with
When the lifting panel of screen or touch screen rises, motor operations are controlled, the power of motor passes sequentially through power output shaft and motor subtracts
Fast device is transferred on underlying sprocket, and underlying sprocket drive chain is moved along short transverse, the chain being located above
Heel is mobile with chain, and the chain of side is connected with sliding block, and moves along the short transverse for the guide bar being vertically arranged, and guides
Bar is that sliding block is positioned the location of in sliding process, and deformation of the chain in lifting process is avoided to cause lifting panel
It is moved in the horizontal direction with sliding block junction, influences the stability for going up and down panel lifting.After completing use, pass through driving electricity
Machine, and fallen by chain-driving sliding block, the lifting panel equipped with display follows sliding block to decline and pack up.
Referring to Fig. 1, further including protective device 301 in the above-described embodiments, protective device includes grating 302 and pressing
Switch 303, the top surface of lifting panel 401 are equipped with the protrusion towards horizontal direction, top of the raised bottom surface towards multimedia terminal
Face, grating 302 is set to the bottom surface of lifting panel protrusion and the top surface of multimedia terminal, push switch 303 are set to raised bottom
(in the present embodiment, the push switch of two sides includes face contact part, and push switch contact is in linear type knot for the two sides in face
Structure, contact are connect with spring, and towards the contact of push switch, and in certain embodiments, face contact part is L-shaped structure,
And it is set to raised bottom surface both side, by setting L shape for face contact part, protected convenient for the corner to raised bottom surface,
Prevent protective device and occur the dead angle that can not be triggered during falling), and the two sides of grating 401 are set to, grating is pressed
It compresses switch and is electrically connected (in the present embodiment, Siemens S-1200, Omron CP1H etc. can be selected in PLC) with PLC respectively, PLC is logical
It crosses relay to be electrically connected with motor, for controlling the open and close of motor, connection relay makes after PLC receives button signal
Electrical power operation, motor rotation driven gear rises (rotating forward) or decline (reversion) by chain-driving experimental bench, upper
Rise or decline engineering in electric signal is passed into PLC when occurring foreign matter within the scope of grating, PLC is received after signal immediately will be after
Electric appliance cutting, motor stop running immediately after stopping power supply.PLC detects grating electric signal after foreign matter leaves within the scope of grating
It disappears, reset relay conducting, electrical power works on, and triggers stroke after experimental bench reaches highest or extreme lower position
Switch, travel switch signal pass to PLC, PLC horse back block system relay, and motor stops running immediately after stopping power supply, experimental bench
Stop.By the way that grating is arranged in raised bottom surface, and push switch is set in the two sides of raised bottom surface grating, passes through Grating examinations light
Line on-off or face contact part shrink triggering contact, carry out start-up and shut-down control to motor, prevent the body of user in operation
Body or foreign matter are placed on lifting section and cause to crush or foreign matter is on lifting device, while in the portion of lifting panel
Replace grating to carry out power-off protection using push switch, reduce the utilization rate of grating and reduce the manufacture of integral device at
This.
Referring to Fig. 2, further including synchronous rotating shaft 105, sprocket, bearing, the chain of drive assembly 101 in the above-described embodiments
The quantity of item and guiding assembly 201 is two groups, and is set to lifting 401 two sides of panel correspondingly, synchronous rotating shaft 105
Both ends are connected with the underlying sprocket 102 of two sides drive assembly respectively, by the way that synchronous rotating shaft 105 is arranged, convenient for passing through list
Group motor drives two groups of guiding assemblies and chain mobile, and drives the lifting of lifting panel in the two sides of lifting panel.
Referring to Fig. 2, further including propelling sheave 205 in the above-described embodiments, propelling sheave 205 is set to positioned at up and down direction
On sprocket 102 between, and be in contact with chain 103, by the way that propelling sheave 205 is arranged, convenient in chain lifting process to chain
Item guides, and reduces vibration caused by chain swinging.
Further include limitation travel switch 106 referring to Fig. 2, in the above-described embodiments, limitation travel switch by PLC with
Motor electrical connection, limitation travel switch 106 be touch switch, be set to lifting 401 bottom edge activity interval of panel top or
Bottom can be in contact and trigger with limitation travel switch when going up and down panel bottom and being moved to the top or bottom that go up and down section,
Stop the work of motor, anti-limited slip block is reached at the top of lifting section or continued to move to when bottom, leads to sliding block and chain tooth contact.
Referring to Fig. 2, further including plum coupling 107 in the above-described embodiments, plum coupling 107 is set to sprocket
102 and motor 104 power output shaft between, connect sprocket and motor by using plum coupling, be convenient for motor with
The separation of sprocket avoids disassembly chain structure from increasing the workload of disassembly and installation.
Referring to Fig. 3, further include sliding block mounting plate 204 in the above-described embodiments, 203 quantity of sliding block on guide bar 202
It is two groups, sliding block mounting plate 204 is connected with two sliding blocks 203, passes through two groups of sliding blocks of setting and uses sliding block mounting plate and two
Group sliding block is connected, and improves the stability of elevating lever top shoe, and sliding block ensure that by the contact point of two sliding blocks
It is gone up and down with elevating lever in same straight line, improves the lifting accuracy of lifting panel.
Referring to Figure 4 together and Fig. 5, in the above-described embodiments, sprocket 102 includes bearing 1021 and bolt 1022, chain
The inside of tooth 102 is hollow structure, and the quantity of bearing 1021 is two groups, and is set in the cavity of sprocket 102, multimedia terminal
On shaft sequentially pass through two groups of bearings 1021, the lateral surface of bolt 1022 is equipped with outer tooth 1023, and bolt 1022 passes through screw thread
It is connected in the shaft of multimedia terminal, outer tooth 1023 is in contact with bearing side and locks sprocket 102, passes through setting sprocket
Simultaneously two groups of bearings are arranged in hollow structure, by the fixed sprocket of the outer tooth of bolt, improve the bearing capacity of bearing, and then improve
The service life of sprocket.
Referring to Fig. 1, including panel lifting device, lifting panel 401 the invention also discloses a kind of multimedia terminal
With operation panel 501, goes up and down panel 401 and be vertically arranged and be connected on panel lifting device, operation panel 501 and lifting panel
401 and the motor electrical connection of panel lifting device (in the present embodiment, operation panel can be using press-button structure control motor
The lifting of start and stop and control panel), lifting panel 401 is equipped with display or touch screen.By being provided with panel lifting dress
The multimedia terminal set, convenient for by position set by drive assembly by changing above or below lifting device to lifting device
Two sides, reduce lifting device occupied space in integral device, using the knot by chain-driving guide bar top shoe
Structure ensure that lifting process moves along a straight line always, is replaced as the lifting section of lifting device, increases in the height direction
Adjustable height, be panel size increase and when adjustable height is identical, multimedia terminal miniaturization provide solution party
Case.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (10)
1. a kind of panel lifting device, the panel are set on multimedia terminal, which is characterized in that including drive assembly and lead
Draw assembly；
The drive assembly includes sprocket, chain and motor, and the quantity of sprocket is two, and is arranged along short transverse that sprocket can
It tears open in the shaft for being connected to multimedia terminal, chain ring is arranged around sprocket, and forms moving track in the height direction, and motor is set
It is placed in the side of chain, the power output shaft of motor is connect with sprocket transmission, for driving chain in short transverse by sprocket
Upper movement；
The guiding assembly includes guide bar and sliding block, guide bar along short transverse releasable connection on multimedia terminal, sliding block
It is sheathed on guide bar, and is connected with chain and panel.
2. panel lifting device according to claim 1, which is characterized in that it further include protective device, the protective device
Including grating and push switch, grating and push switch are set on panel, and are electrically connected respectively by PLC with motor, are used for
Control the start and stop of motor.
3. panel lifting device according to claim 1, which is characterized in that it further include synchronous rotating shaft, the drive assembly
Quantity with guiding assembly is two, and is symmetrically disposed on multimedia terminal, and the sliding block of two guiding assemblies is connected to panel
Two sides, synchronous rotating shaft connect with symmetrically arranged sprocket transmission, and motor and synchronous rotating shaft are sequentially connected.
4. panel lifting device according to claim 1, which is characterized in that it further include sliding block mounting plate, the sliding block
Quantity is two, and sliding block mounting plate is assemblied on two sliding blocks, and panel is connected by sliding block mounting plate with sliding block.
5. panel lifting device according to claim 1, which is characterized in that it further include propelling sheave, the propelling sheave setting
In on the sliding trace of chain, and it is in contact with chain.
6. panel lifting device according to claim 1, which is characterized in that further include bearing and bolt, the quantity of bearing
It is two, cavity is equipped in sprocket, bearing is assemblied in the cavity of sprocket, and bolt is equipped with outer tooth, and bolt passes through outer tooth and axis
It holds and is in contact, bearing passes through bolt and shaft releasable connection.
7. panel lifting device according to claim 1, which is characterized in that it further include limitation travel switch, the limit
Travel switch is set to the top or bottom of sliding block sliding trace, and is electrically connected by PLC with motor, for controlling opening for motor
Stop.
8. panel lifting device according to claim 1, which is characterized in that it further include plum coupling, the motor
Power output shaft is connect by plum coupling with sprocket transmission.
9. panel lifting device according to claim 1, which is characterized in that the chain is three points of chains.
10. a kind of multimedia terminal, which is characterized in that including lifting panel, operation panel and panel lifting device, the lifting
Panel and operation panel are set on multimedia terminal, and operation panel is electrically connected with panel lifting device, the chain lifting dress
It is set to any panel lifting device of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878045.7A CN108825952A (en) | 2018-08-03 | 2018-08-03 | A kind of panel lifting device and multimedia terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878045.7A CN108825952A (en) | 2018-08-03 | 2018-08-03 | A kind of panel lifting device and multimedia terminal |
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| Publication Number | Publication Date |
|---|---|
| CN108825952A true CN108825952A (en) | 2018-11-16 |
Family
ID=64152635
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810878045.7A Pending CN108825952A (en) | 2018-08-03 | 2018-08-03 | A kind of panel lifting device and multimedia terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111237598A (en) * | 2020-02-13 | 2020-06-05 | 马新国 | Civil engineering interface image shooting and recording device |
| WO2020138960A1 (en) * | 2018-12-28 | 2020-07-02 | 조병구 | Automatically height-adjustable sports net |
| CN111578064A (en) * | 2020-05-20 | 2020-08-25 | 深圳市元基科技开发有限公司 | Rail transit dynamic map platform control method and device |
| CN112128561A (en) * | 2019-06-25 | 2020-12-25 | 星脉智投(北京)商业运营管理有限公司 | Sliding screen device |
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