CN207690468U - A kind of outdoor electronic information displaying device - Google Patents
A kind of outdoor electronic information displaying device Download PDFInfo
- Publication number
- CN207690468U CN207690468U CN201721800390.6U CN201721800390U CN207690468U CN 207690468 U CN207690468 U CN 207690468U CN 201721800390 U CN201721800390 U CN 201721800390U CN 207690468 U CN207690468 U CN 207690468U
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- China
- Prior art keywords
- babinet
- fixed block
- display screen
- limit switch
- block
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- 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.)
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Abstract
The utility model discloses a kind of outdoor electronic information displaying devices,Including pedestal,Support column,Babinet,Display screen,Support plate and top plate,When utility model works,Pushing meanss are to showing place,Display screen can show information needed,When rainy,In raindrop tablet,Raindrop module sensors are defeated,Microprocessor,Under the action of voice broadcast module and loud speaker,It can be with play cuing information,Increase the effect of publicity of the electronic information of displaying,In microprocessor,Motor,Worm screw,Worm gear,Shaft,Waterproof cloth,Make waterproof cloth horizontal extension under the action of first pivoted arm and the second pivoted arm,Play the role of blocking rainwater,In electric hydaulic bar,Connecting rod,Sliding block,When the first limit switch,Microprocessor,The rainwater being splashed to during being stretched out due to waterproof cloth on display screen can be dried under the action of second limit switch and absorbent wool,It is effectively protected display screen in rain and snow and does not carry on the back sleet erosion,Improve the service life of equipment.
Description
Technical field
The utility model is related to a kind of electronic information to show device, specifically a kind of outdoor electronic information displaying device.
Background technology
" electronic information " is the word occurred again and again in recent years, it is in computer technology, the communication technology and high density
Become the vocabulary of informatics under the rapid development of memory technology and the background being used widely in every field.Now in horse
Road electronic information displaying device is even often arranged on highway to show relevant information, many shops outdoors
Device can be shown with electronic information to attract customer.
Existing outdoor electronic massaging device is extremely easily damaged encountering the bad weathers such as sleet, since electronic information fills
It is higher to be set to this, once damage cost is larger, so being badly in need of a outdoor electronic letter for being avoided that damage in rain and snow of design
Breath displaying device.
Invention content
The purpose of this utility model is to provide a kind of outdoor electronic information displaying devices, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions：
A kind of outdoor electronic information displaying device, including pedestal, support column, babinet, display screen, support plate and top plate, institute
It states base bottom quadrangle and is provided with universal wheel, base top is provided at both ends with support column, and bearing top end is provided with babinet, babinet
Top is provided at both ends with support plate, and top plate is provided at the top of support plate, raindrop tablet is provided centrally at the top of top plate；
The babinet front center is provided with display screen, and babinet front upper is provided centrally with loud speaker, and babinet front exists
Loud speaker both sides are provided with the first fixed block, and babinet front lower left side is provided with the second fixed block, babinet front lower part right side
It is provided with third fixed block；First fixed block front is provided with the first limit switch, and third fixed block front is provided with
Two limit switches；The left side the first fixed block bottom centre and the second fixed block top center and right side the first fixed block bottom
Center and third fixed block top center are respectively connected with slide bar；It is provided with sliding block on the slide bar, is connected between two sliding blocks
Extension bar, connecting rod outside are wrapped in absorbent wool；The base top is provided centrally with electric hydaulic bar, electric hydaulic bar telescopic end
Top is fixedly connected with the connecting rod across absorbent wool；
It is provided with headstock on the right side of the babinet, the headstock bottom is fixedly connected with wall box, at the top of headstock
It is fixedly connected with top plate side；It is provided with the second connecting plate at the top of the top plate right side；The headstock inner bottom surface setting
There are motor, the output end of motor to be provided with worm screw, the worm screw other end passes through passes through bearing block at the top of headstock with the second connecting plate
Rotation connection；The headstock inner upper is provided with worm gear, and worm gear is engaged with worm screw；The worm gear is provided centrally with shaft,
Shaft penetrates through support plate and is rotatablely connected by bearing with support plate；The shaft has been externally wrapped with waterproof cloth, waterproof cloth end
Bottom is fixedly connected with fixed plate, and fixed plate bottom left and right ends are rotatably connected to the first pivoted arm, and the first pivoted arm is to babinet center
One side end face bottom end is fixedly connected with the first link block；The support plate is provided with the first connection to one middle side part of babinet center
Plate, the first connecting plate top ends are rotatably connected to the second pivoted arm, and the second pivoted arm is fixed to one side end face top of babinet center to be connected
It is connected to the second link block；First link block and the second link block are rotatablely connected by fixing axle；
PCB circuit board is provided in the babinet, be provided in PCB circuit board microprocessor, raindrop module sensors,
Voice broadcast module and power module；The raindrop module sensors, voice broadcast module and power module with miniature processing
Device is electrically connected；The display screen is electrically connected by conducting wire and power module, and the loud speaker passes through conducting wire and voice broadcast
Module is electrically connected, and the raindrop tablet is electrically connected by conducting wire and raindrop module sensors；First limit switch,
Second limit switch and electric hydaulic bar are electrically connected by conducting wire and microprocessor.
As further program of the utility model：Be provided with damping device on the universal wheel, and surface be provided with it is anti-
Draw runner line.
As the utility model further scheme：First fixed block in the left side and the second fixed block longitudinal center
In same axis, the first fixed block bottom centre and third fixed block longitudinal center on right side are in same axis, the second fixed block
Height be higher than third fixed block height.
As the utility model further scheme：The first limit switch touch end is higher than display screen top, the
Two limit switch touch ends are less than display screen low side, and the length of the slide bar is more than the length of display screen.
As the utility model further scheme：First link block and the second link block, the first pivoted arm and
Two pivoted arm shaped volumes all sames, and link block thickness is equal to the half of pivoted arm thickness.
As the utility model further scheme：The model EP9315-CBZ of the microprocessor, voice are broadcast
Report the model RX-MP3-TF of module, the model OKY3436 of raindrop module sensors, the first limit switch and the second limit
The model HL-5030 of switch.
Compared with prior art, the utility model has the beneficial effects that：
The utility model designs advantages of simple in structure, uses easy to operate, and practicability is very high, is working
When
Pushing meanss are to showing that place, display screen can show information needed, and when rainy, raindrop drop in raindrop tablet
On, raindrop module sensors input signal to microprocessor, microprocessor controls motor rotation, and electric hydaulic bar extends,
Control voice broadcasting module plays and audio-frequency information and is amplified by loud speaker simultaneously, audio-frequency information can be " When the Rain Comes, it is noted that
It is warming " etc. prompt messages, attracted crowd's note that the effect of publicity of the electronic information of displaying is increased, in motor well
Under the action of drive worm screw rotation, due to worm and worm wheel engage so that worm gear rotate, to drive shaft to rotate, waterproof cloth
End horizontal extends, and the first pivoted arm and the second pivoted arm move, play the role of blocking rainwater therewith, prevent rainwater from getting to display
Screen pushes connecting rod to move upwards under the action of electric hydaulic bar, to be moved upwards with movable slider, when sliding block touches
When the first limit switch, microprocessor controls electric hydaulic bar and shrinks, when sliding block touches the second limit switch, miniature place
Reason device control electric hydaulic bar is stopped, and can dry under the action of absorbent wool and is splashed to during being stretched out due to waterproof cloth
Rainwater on display screen effectively protects display screen not carry on the back sleet erosion, prevents display screen due to sleet etc. in rain and snow
Bad weather and damage, improve the service life of equipment.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of outdoor electronic information displaying device.
Fig. 2 is a kind of partial view of outdoor electronic information displaying device.
Fig. 3 is the structural schematic diagram of the shaft and waterproof cloth in a kind of outdoor electronic information displaying device.
Fig. 4 is a kind of functional block diagram of outdoor electronic information displaying device.
In figure：1- pedestals, 2- support columns, 3- babinets, 4- display screens, 5- loud speakers, 6- support plates, 7- top plates, 8- raindrop
Tablet, 9- headstocks, 10- motors, 11- worm screws, 12- worm gears, 13- shafts, 14- waterproof clothes, 15- fixed plates, first turn of 16-
Arm, the first link blocks of 17-, the first connecting plates of 18-, the second pivoted arms of 19-, the second link blocks of 20-, the first fixed blocks of 21-, 22-
Two fixed blocks, 23- thirds fixed block, 24- slide bars, 25- sliding blocks, 26- connecting rods, 27- absorbent wools, the first limit switches of 28-,
The second limit switches of 29-, 30- electric hydaulics bar, 31- universal wheels, 32- microprocessors, 33- raindrop module sensors, 34- languages
Sound broadcasting module, 35- power modules, the second connecting plates of 36-.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the utility model embodiment, a kind of outdoor electronic information displaying device, including pedestal 1, branch
Platen 2, babinet 3, display screen 4, support plate 6 and top plate 7,1 bottom four corners of the pedestal are provided with universal wheel 31,1 top of pedestal
It is provided at both ends with support column 2,2 top of support column is provided with babinet 3, and 3 top of babinet is provided at both ends with support plate 6, and support plate 6 pushes up
Portion is provided with top plate 7, and 7 top center of top plate is provided with raindrop tablet 8；
3 front center of the babinet is provided with display screen 4, and 3 front upper of babinet is provided centrally with loud speaker 5, and babinet 3 is just
Face is provided with the first fixed block 21 in 5 both sides of loud speaker, and the positive lower left side of babinet 3 is provided with the second fixed block 22, and babinet 3 is just
It is provided with third fixed block 23 on the right side of the lower part of face；First fixed block, 21 front is provided with the first limit switch 28, and third is solid
Determine 23 front of block and is provided with the second limit switch 29；22 top of 21 bottom centre of the first fixed block of the left side and the second fixed block
Center is respectively connected with slide bar 24 with 21 bottom centre of the first fixed block of right side and 23 top center of third fixed block；The slide bar 24
On be provided with sliding block 24, be connected with connecting rod 26 between two sliding blocks 24,26 outside of connecting rod is wrapped in absorbent wool 27；The pedestal
1 top center is provided with electric hydaulic bar 30, passes through absorbent wool 27 to be fixed with connecting rod 26 at the top of 30 telescopic end of electric hydaulic bar
Connection；
3 right side of the babinet is provided with headstock 9, and 9 bottom of the headstock is fixedly connected with 3 side wall of babinet, headstock 9
Top is fixedly connected with 7 side of top plate；It is provided with the second connecting plate 36 at the top of 7 right side of the top plate；Inside the headstock 9
Bottom surface is provided with motor 10, and the output end of motor 10 is provided with worm screw 11, and 11 other end of worm screw passes through 9 top of headstock and second
Connecting plate 36 is rotatablely connected by bearing block；9 inner upper of the headstock is provided with worm gear 12, and worm gear 12 is nibbled with worm screw 11
It closes；The worm gear 12 is provided centrally with shaft 13, and shaft 13 penetrates through support plate 6 and is rotatablely connected by bearing with support plate 6；Institute
It states shaft 13 and has been externally wrapped with waterproof cloth 14,14 end base of waterproof cloth is fixedly connected with fixed plate 15, and 15 bottom of fixed plate is left
Right both ends are rotatably connected to the first pivoted arm 16, and the first pivoted arm 16 is fixedly connected with the first connection to one side end face bottom end of babinet center
Block 17；The support plate 6 is provided with the first connecting plate 18, the rotation of 18 top ends of the first connecting plate to one middle side part of babinet center
It is connected with the second pivoted arm 19, the second pivoted arm 19 is fixedly connected with the second link block 20 to one side end face top of babinet center；It is described
First link block 17 and the second link block 20 are rotatablely connected by fixing axle；
It is provided with PCB circuit board in the babinet 3, microprocessor 32, raindrop module sensing are provided in PCB circuit board
Device 33, voice broadcast module 34 and power module 35；The raindrop module sensors 33, voice broadcast module 34 and power module
35 are electrically connected with microprocessor 32；The display screen 4 is electrically connected by conducting wire and power module 35, the loud speaker
5 are electrically connected by conducting wire and voice broadcast module 34, and the raindrop tablet 8 passes through 33 electricity of conducting wire and raindrop module sensors
Property connection；First limit switch 28, the second limit switch 29 and electric hydaulic bar 20 pass through conducting wire and microprocessor 32
It is electrically connected.
Damping device is provided on the universal wheel 31, and surface is provided with skid resistance strip.
First fixed block 21 in the left side and 22 longitudinal center of the second fixed block are fixed in same axis, the first of right side
In same axis, the height of the second fixed block 22 is higher than third fixed block for 21 bottom centre of block and 23 longitudinal center of third fixed block
23 height.
First limit switch, 28 touch end is higher than 4 top of display screen, and 29 touch end of the second limit switch is less than display
Shield 4 low sides, the length of the slide bar 24 is more than the length of display screen 4.
19 shaped volumes all same of first link block, 17 and second link block 20, the first pivoted arm 16 and the second pivoted arm,
And link block thickness is equal to the half of pivoted arm thickness.
The model EP9315-CBZ of the microprocessor 32, the model RX-MP3-TF of voice broadcast module 34, rain
Drip the model OKY3436, the model HL-5030 of the first limit switch 28 and the second limit switch 29 of module sensors 33.
The operation principle of the utility model is：
The utility model is related to a kind of outdoor electronic information displaying device, when utility model works, pushing meanss are to opening up
Show that place, display screen 4 can show information needed, when rainy, raindrop drop on raindrop tablet 8, raindrop module sensors
33 input signals to microprocessor 32, microprocessor 32 controls motor 10 and rotates, and electric hydaulic bar 30 extends, and controls simultaneously
Voice broadcast module 34 plays audio-frequency information and is amplified by loud speaker 5, and audio-frequency information can be " When the Rain Comes, it is noted that warming "
Etc. prompt messages, drive worm screw 11 to rotate under the action of motor 10, since worm screw 11 and worm gear 13 engage so that 13 turns of worm gear
Dynamic, to drive shaft 13 to rotate, the elongation of 14 end horizontal of waterproof cloth, the first pivoted arm 16 and the second pivoted arm 19 move therewith, rise
To the effect of blocking to rainwater, prevent rainwater from getting to display screen 4, under the action of electric hydaulic bar 30, push connecting rod 26 to
Upper movement, to be moved upwards with movable slider 25, when sliding block 25 touches the first limit switch 28, microprocessor 32 controls
Electric hydaulic bar 30 is shunk, and when sliding block 25 touches the second limit switch 29, microprocessor 32 controls electric hydaulic bar 30
It is stopped, the rain being splashed to during being stretched out due to waterproof cloth 14 on display screen 4 can be dried under the action of absorbent wool 27
Water.
The utility model designs advantages of simple in structure, uses easy to operate, and practicability is very high, is working
When pushing meanss to showing that place, display screen can show information needed, when rainy, raindrop drop on raindrop tablet, rain
Module sensors input signal is dripped to microprocessor, and microprocessor controls motor rotation, the elongation of electric hydaulic bar, same to time control
Voice broadcast module processed plays audio-frequency information and is amplified by loud speaker, and audio-frequency information can be " When the Rain Comes, it is noted that warming "
Etc. prompt messages, attracted crowd's note that the effect of publicity of the electronic information of displaying is increased, in the effect of motor well
Lower drive worm screw rotation, since worm and worm wheel engage so that worm gear rotates, to drive shaft to rotate, waterproof cloth end water
Flattened length, the first pivoted arm and the second pivoted arm move therewith, play the role of blocking rainwater, prevent rainwater from getting to display screen,
Under the action of electric hydaulic bar, connecting rod is pushed to move upwards, to be moved upwards with movable slider, when sliding block touches the first limit
When bit switch, microprocessor controls electric hydaulic bar and shrinks, when sliding block touches the second limit switch, microprocessor control
Electric hydaulic bar processed is stopped, and can be dried under the action of absorbent wool and be splashed to display screen during being stretched out due to waterproof cloth
On rainwater, effectively protect in rain and snow display screen do not carry on the back sleet erosion, prevent display screen due to the severe day such as sleet
Gas and damage, improve the service life of equipment.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of outdoor electronic information displaying device, which is characterized in that including pedestal (1), support column (2), babinet (3), display
Shield (4), support plate (6) and top plate (7), pedestal (1) bottom four corners are provided with universal wheel (31), pedestal (1) top both ends
It is provided with support column (2), support column (2) top is provided with babinet (3), support plate (6) is provided at both ends at the top of babinet (3), props up
It is provided with top plate (7) at the top of board (6), top plate (7) top center is provided with raindrop tablet (8)；
Babinet (3) front center is provided with display screen (4), and babinet (3) front upper is provided centrally with loud speaker (5), case
Body (3) front is provided with the first fixed block (21) in loud speaker (5) both sides, and it is solid that babinet (3) front lower left side is provided with second
Determine block (22), babinet (3) front is provided with third fixed block (23) on the right side of lower part；First fixed block (21) front is provided with
First limit switch (28), third fixed block (23) front are provided with the second limit switch (29)；The first fixed block of the left side
(21) bottom centre and the second fixed block (22) top center and right side the first fixed block (21) bottom centre and third fixed block
(23) top center is respectively connected with slide bar (24)；Sliding block (25) is provided on the slide bar (24), two sliding blocks connect between (25)
There is connecting rod (26), absorbent wool (27) is wrapped on the outside of connecting rod (26)；Pedestal (1) top center is provided with electric hydaulic
Bar (30), electric hydaulic bar (30) telescopic end top are fixedly connected across absorbent wool (27) with connecting rod (26)；
It is provided with headstock (9) on the right side of the babinet (3), headstock (9) bottom is fixedly connected with babinet (3) side wall, is moved
It is fixedly connected with top plate (7) side at the top of power case (9)；It is provided with the second connecting plate (36) at the top of top plate (7) right side；Institute
It states headstock (9) inner bottom surface and is provided with motor (10), the output end of motor (10) is provided with worm screw (11), and worm screw (11) is another
End is rotatablely connected with the second connecting plate (36) by bearing block at the top of headstock (9)；Headstock (9) inner upper is set
It is equipped with worm gear (12), worm gear (12) is engaged with worm screw (11)；The worm gear (12) is provided centrally with shaft (13), and shaft (13) is passed through
Logical support plate (6) is simultaneously rotatablely connected with support plate (6) by bearing；The shaft (13) has been externally wrapped with waterproof cloth (14), prevents
Water cloth (14) end base is fixedly connected with fixed plate (15), and fixed plate (15) bottom left and right ends are rotatably connected to the first pivoted arm
(16), the first pivoted arm (16) is fixedly connected with the first link block (17) to one side end face bottom end of babinet center；The support plate (6)
One middle side part of babinet center is provided with the first connecting plate (18), the first connecting plate (18) top ends are rotatably connected to second turn
Arm (19), the second pivoted arm (19) are fixedly connected with the second link block (20) to one side end face top of babinet center；Described first connects
It connects block (17) and the second link block (20) is rotatablely connected by fixing axle；
It is provided with PCB circuit board in the babinet (3), microprocessor (32), raindrop module sensing are provided in PCB circuit board
Device (33), voice broadcast module (34) and power module (35)；The raindrop module sensors (33), voice broadcast module (34)
It is electrically connected with microprocessor (32) with power module (35)；The display screen (4) passes through conducting wire and power module (35)
It is electrically connected, the loud speaker (5) is electrically connected by conducting wire and voice broadcast module (34), and the raindrop tablet (8) is logical
Conducting wire is crossed to be electrically connected with raindrop module sensors (33)；First limit switch (28), the second limit switch (29) and electricity
Hydrodynamic compression bar (30) is electrically connected by conducting wire and microprocessor (32).
2. a kind of outdoor electronic information displaying device according to claim 1, which is characterized in that on the universal wheel (31)
It is provided with damping device, and surface is provided with skid resistance strip.
3. a kind of outdoor electronic information displaying device according to claim 1, which is characterized in that the first of the left side is solid
Block (21) and the second fixed block (22) longitudinal center are determined in same axis, the first fixed block (21) bottom centre on right side and third
In same axis, the height of the second fixed block (22) is higher than the height of third fixed block (23) for fixed block (23) longitudinal center.
4. a kind of outdoor electronic information displaying device according to claim 1, which is characterized in that first limit switch
(28) touch end is higher than display screen (4) top, and the second limit switch (29) touch end is less than display screen (4) low side, the slide bar
(24) length is more than the length of display screen (4).
5. a kind of outdoor electronic information displaying device according to claim 1, which is characterized in that first link block
, and link block thickness etc. (17) and the second link block (20), the first pivoted arm (16) and the second pivoted arm (19) shaped volumes all same
In the half of pivoted arm thickness.
6. a kind of outdoor electronic information displaying device according to claim 1, which is characterized in that the microprocessor
(32) model EP9315-CBZ, the model RX-MP3-TF of voice broadcast module (34), raindrop module sensors (33)
Model OKY3436, the model HL-5030 of the first limit switch (28) and the second limit switch (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721800390.6U CN207690468U (en) | 2017-12-20 | 2017-12-20 | A kind of outdoor electronic information displaying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721800390.6U CN207690468U (en) | 2017-12-20 | 2017-12-20 | A kind of outdoor electronic information displaying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207690468U true CN207690468U (en) | 2018-08-03 |
Family
ID=62994655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721800390.6U Expired - Fee Related CN207690468U (en) | 2017-12-20 | 2017-12-20 | A kind of outdoor electronic information displaying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207690468U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070797A (en) * | 2019-06-04 | 2019-07-30 | 上海与非日用品有限公司 | A kind of solar energy billboard of the cell with power saving function |
| CN110324735A (en) * | 2019-07-17 | 2019-10-11 | 广州奥丁诺科技有限公司 | A kind of outdoor loudspeaker protective housing |
| CN112639926A (en) * | 2018-08-30 | 2021-04-09 | 深圳市柔宇科技股份有限公司 | Display device |
| CN112785913A (en) * | 2021-02-08 | 2021-05-11 | 汪波 | Platform is introduced with tourist attraction to tourism management |
-
2017
- 2017-12-20 CN CN201721800390.6U patent/CN207690468U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639926A (en) * | 2018-08-30 | 2021-04-09 | 深圳市柔宇科技股份有限公司 | Display device |
| CN110070797A (en) * | 2019-06-04 | 2019-07-30 | 上海与非日用品有限公司 | A kind of solar energy billboard of the cell with power saving function |
| CN110324735A (en) * | 2019-07-17 | 2019-10-11 | 广州奥丁诺科技有限公司 | A kind of outdoor loudspeaker protective housing |
| CN112785913A (en) * | 2021-02-08 | 2021-05-11 | 汪波 | Platform is introduced with tourist attraction to tourism management |
| CN112785913B (en) * | 2021-02-08 | 2022-12-06 | 汪波 | Platform is introduced with tourist attraction to tourism management |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |