CN107818689A - A kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things - Google Patents
A kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things Download PDFInfo
- Publication number
- CN107818689A CN107818689A CN201711004366.6A CN201711004366A CN107818689A CN 107818689 A CN107818689 A CN 107818689A CN 201711004366 A CN201711004366 A CN 201711004366A CN 107818689 A CN107818689 A CN 107818689A
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- CN
- China
- Prior art keywords
- motor
- traffic accident
- plate
- follower
- things
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Abstract
The present invention relates to a kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things,Including base,Follower plate,Governor motion,Two fixed plates,Two elevating mechanisms,Two followers,Controller and two sensor for countering,Elevating mechanism includes the first motor,Screw mandrel,Connecting plate,Movable block and two guide rods,Follower includes top plate,Expansion bracket,Fixed block,Sliding block and the second chute,The tunnel monitoring device of the prevention traffic accident based on Internet of Things,Pass through the height of governor motion Regulate signal lamp,Compared with traditional governor motion,The governor motion is operationally more stable,It is more smooth,Consequently facilitating observation of the driver to signal lamp of sight is sheltered from by truck,Vehicle is intercepted by elevating mechanism and follower,So that the vehicle in tunnel is kept within the specific limits,Prevent traffic accident,Compared with traditional elevating mechanism and follower,Elevating mechanism driving follower lifts more steady.
Description
Technical field
The present invention relates to tunnel monitoring device field, the tunnel of more particularly to a kind of prevention traffic accident based on Internet of Things
Monitoring device.
Background technology
Typical monitoring system is mainly made up of headend equipment and rear end equipment this two large divisions, and headend equipment is generally by taking the photograph
The part composition such as camera, manually or electrically camera lens, head, protective cover, monitor, alarm detector and multi-functional decoder, it
Each performs its own functions and corresponding with the various equipment foundation of central control system by wired, wireless or optical fiber transmission medium
System.
Tunnel is always traffic accident location occurred frequently, main reason is that speed is fast, blurred vision and vehicle flowrate are big etc.,
When number of vehicles is larger, the vehicle condition in tunnel will be increasingly complex, it is easier to traffic accident occurs, and back car is by truck etc.
Sight has been blocked, the situation in tunnel can not be predicted, potential safety hazard be present.
The content of the invention
The technical problem to be solved in the present invention is：For overcome the deficiencies in the prior art, there is provided a kind of based on Internet of Things
Prevent the tunnel monitoring device of traffic accident.
The technical solution adopted for the present invention to solve the technical problems is：A kind of prevention traffic accident based on Internet of Things
Tunnel monitoring device, including base, follower plate, governor motion, two fixed plates, two elevating mechanisms, two followers, control
Device processed and two sensor for countering, two fixed plates are separately positioned on the both sides of the top of base, and the elevating mechanism is arranged on
The side of close follower plate in fixed plate, the elevating mechanism are connected with follower plate, and two followers are set respectively
Both sides below follower plate, the controller are located in one of the side of the remote follower of fixed plate, the regulation
Mechanism is located at the side of the remote follower of another fixed plate, and the controller connects with sensor for countering wireless signal；
The elevating mechanism includes the first motor, screw mandrel, connecting plate, movable block and two guide rods, first motor
The bottom being fixed in fixed plate, the bottom drive connection of first motor and screw mandrel, the connecting plate are fixed on fixed plate
Inwall on, the connecting plate is set on screw mandrel, and two guide rods are separately positioned on the both sides of the top of connecting plate, the shifting
Motion block is set on guide rod and screw mandrel, is provided with internal thread in the movable block, the screw mandrel is provided with external screw thread, the screw mandrel
On external screw thread and movable block in internal thread match, the movable block is fixedly connected with follower plate；
The follower includes top plate, expansion bracket, fixed block, sliding block and the second chute, and the top plate is fixed on driven
The lower section of plate, the top plate are provided with the first chute, and side and the top plate on the top of the expansion bracket are hinged, the expansion bracket
The opposite side on top is arranged in the first chute, and the opposite side on the top of the expansion bracket is connected with the first slide, described
The side of expansion bracket bottom is hinged with fixed block, and the opposite side of the expansion bracket bottom is hinged with sliding block, and the sliding block is arranged on
In second chute, the sliding block is connected with the second slide；
The governor motion includes montant, drive component, connecting rod, the second motor, the first drive shaft, cross bar and signal
Lamp, the montant is vertically arranged, and the drive component is arranged in montant, and the drive component is connected with connecting rod, institute
The top for stating connecting rod is fixedly connected with the second motor, and second motor is connected by the first drive shaft and cross bar, institute
The one end away from the second motor for stating cross bar is fixedly connected with signal lamp.
Preferably, for the height of more stably Regulate signal lamp, the drive component includes the 3rd motor, half tooth
Wheel, movable frame, connecting rod and two racks, the 3rd motor are fixedly connected by connecting rod with the inwall of montant, the 3rd electricity
Machine is connected with half gear drive, and the top of the movable frame is fixedly connected with the bottom of connecting rod, and two racks are separately positioned on
On the inwall of both sides in movable frame, half gear is between two racks, the half wheel and rack engagement.
Preferably, in order to which sliding block slides more stable, second chute is dovetail groove.
Preferably, in order to automatically control the quantity of vehicle in tunnel, the controller includes PLC, display screen, at least two
Individual button and at least two status indicator lamps, the PLC electrically connect with sensor for countering.
Preferably, in order to which each motor of automatic start-stop, first motor, the second motor and the 3rd motor are electric with PLC
Connection.
Preferably, in order that button is sensitiveer, the button is contact button.
Preferably, in order to improve the definition of display screen, the display screen is LCDs.
Preferably, in order to reduce the energy consumption of status indicator lamp, the status indicator lamp is LED.
Preferably, in order to extend the service life of half gear and rack, the material of half gear and the material of rack
It is stainless steel.
Preferably, in order to improve the precision of motor and extend the service life of motor, first motor, the second electricity
Machine and the 3rd motor are servomotor.
The invention has the advantages that regulation should be passed through based on the tunnel monitoring device of the prevention traffic accident of Internet of Things
The height of mechanism Regulate signal lamp, compared with traditional governor motion, the governor motion is operationally more stable, more smooth, from
And it is easy to be sheltered from observation of the driver to signal lamp of sight by truck, vehicle is carried out by elevating mechanism and follower
Intercept so that the vehicle in tunnel keeps within the specific limits, preventing traffic accident, with traditional elevating mechanism and follower
Compare, elevating mechanism driving follower lifts more steady.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the mounting structure schematic diagram of the tunnel monitoring device of the prevention traffic accident based on Internet of Things of the present invention；
Fig. 2 is that the structure of the elevating mechanism of the tunnel monitoring device of the prevention traffic accident based on Internet of Things of the present invention is shown
It is intended to；
Fig. 3 is that the structure of the follower of the tunnel monitoring device of the prevention traffic accident based on Internet of Things of the present invention is shown
It is intended to；
Fig. 4 is that the structure of the governor motion of the tunnel monitoring device of the prevention traffic accident based on Internet of Things of the present invention is shown
It is intended to；
Fig. 5 is that the structure of the drive component of the tunnel monitoring device of the prevention traffic accident based on Internet of Things of the present invention is shown
It is intended to；
Fig. 6 is the sliding block and the second chute of the tunnel monitoring device of the prevention traffic accident based on Internet of Things of the present invention
Attachment structure schematic diagram；
Fig. 7 is the structural representation of the controller of the tunnel monitoring device of the prevention traffic accident based on Internet of Things of the present invention
Figure；
In figure：1. base, 2. fixed plates, 3. follower plates, 4. first motors, 5. screw mandrels, 6. connecting plates, 7. guide rods, 8.
Movable block, 9. top plates, 10. first chutes, 11. expansion brackets, 12. fixed blocks, 13. sliding blocks, 14. second chutes, 15. montants, 16.
Connecting rod, 17. second motors, 18. first drive shafts, 19. cross bars, 20. signal lamps, 21. the 3rd motors, 22. half gears, 23.
Rack, 24. movable frames, 25. connecting rods, 26. display screens, 27. buttons, 28. status indicator lamps, 29. sensor for countering.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, a kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things, including base 1, follower plate
3rd, governor motion, two fixed plates, 2, two elevating mechanisms, two followers, controller and two sensor for countering 29, two
Individual fixed plate 2 is separately positioned on the both sides of the top of base 1, and the elevating mechanism is arranged on the close follower plate 3 in fixed plate 2
Side, the elevating mechanism is connected with follower plate 3, and two followers are separately positioned on the both sides of the lower section of follower plate 3,
The controller is located in one of the side of the remote follower of fixed plate 2, and the governor motion is fixed positioned at another
The side of the remote follower of plate 2, the controller connect with the wireless signal of sensor for countering 29；
Two sensor for countering 29 are separately mounted to tunnel portal and outlet, when vehicle passes through tunnel portal, count sensing
The counting increase by one of device 29, when vehicle passes through tunnel exit, the counting of sensor for countering 29 subtracts one, when in sensor for countering 29
When counting exceedes preset value, sensor for countering 29 sends a signal to controller；
By the height of governor motion Regulate signal lamp 20, compared with traditional governor motion, the governor motion is being run
When it is more stable, more smooth, consequently facilitating sheltering from observation of the driver of sight to signal lamp 20 by truck, pass through elevating mechanism
Vehicle is intercepted with follower so that the vehicle in tunnel keeps within the specific limits, preventing traffic accident, with tradition
Elevating mechanism compared with follower, the elevating mechanism driving follower lift more steady.
As shown in Fig. 2 the elevating mechanism includes the first motor 4, screw mandrel 5, connecting plate 6, movable block 8 and two guide rods
7, first motor 4 is fixed on the bottom in fixed plate 2, and the bottom of first motor 4 and screw mandrel 5 is connected, described
Connecting plate 6 is fixed on the inwall of fixed plate 2, and the connecting plate 6 is set on screw mandrel 5, two companies of being separately positioned on of guide rod 7
The both sides of the top of fishplate bar 6, the movable block 8 are set on guide rod 7 and screw mandrel 5, and internal thread is provided with the movable block 8,
The screw mandrel 5 is provided with external screw thread, and the external screw thread on the screw mandrel 5 matches with the internal thread in movable block 8, the movable block
8 are fixedly connected with follower plate 3；
The drive screw 5 of first motor 4 rotates, and guide rod 7 limits the rotation of movable block 8 so that movable block 8 is along screw mandrel
5 move up and down, so as to drive follower plate 3 to move up and down so that follower lifts.
As shown in figure 3, the follower includes top plate 9, expansion bracket 11, fixed block 12, the chute 14 of sliding block 13 and second,
The top plate 9 is fixed on the lower section of follower plate 3, and the top plate 9 is provided with the first chute 10, and the one of the top of the expansion bracket 11
Side is be hinged with top plate 9, and the opposite side on the top of the expansion bracket 11 is arranged in the first chute 10, the top of the expansion bracket 11
Opposite side be slidably connected with the first chute 10, the side of the bottom of expansion bracket 11 is be hinged with fixed block 12, the expansion bracket
The opposite side of 11 bottoms is be hinged with sliding block 13, and the sliding block 13 is arranged in the second chute 14, the chute of sliding block 13 and second
14 are slidably connected；
When follower plate 3 moves up, the side on the top of expansion bracket 11 is moved to the left along the first chute 10, expansion bracket 11
The side of bottom be moved to the left along the second chute 14, expansion bracket 11 extends, when follower plate 3 moves down, expansion bracket 11
The side on top moves right along the first chute 10, and the side of the bottom of expansion bracket 11 moves right along the second chute 14,
Expansion bracket 11 shrinks, and after sensor for countering 29 sends a signal to controller, PLC controls the first motor 4 to start so that stretches
Contracting frame 11 is extended, and vehicle is intercepted so that the vehicle in tunnel keeps within the specific limits, preventing traffic accident.
As illustrated in figures 4-5, the governor motion includes montant 15, drive component, connecting rod 16, the second motor 17, first
Drive shaft 18, cross bar 19 and signal lamp 20, the montant 15 is vertically arranged, and the drive component is arranged in montant 15, described
Drive component is connected with connecting rod 16, and the top of the connecting rod 16 is fixedly connected with the second motor 17, second electricity
Machine 17 is connected by the first drive shaft 18 with cross bar 19, one end of remote second motor 17 of the cross bar 19 and signal lamp
20 are fixedly connected；
The drive component includes the 3rd motor 21, half gear 22, movable frame 24, connecting rod 25 and two racks 23, described
3rd motor 21 is fixedly connected by connecting rod 25 with the inwall of montant 15, and the 3rd motor 21 is connected with half gear 22,
The top of the movable frame 24 is fixedly connected with the bottom of connecting rod 16, and two racks 23 are separately positioned on two in movable frame 24
On the inwall of side, between two racks 23, half gear 22 engages half gear 22 with rack 23；
3rd motor 21 drives half gear 22 to rotate, and half gear 22 is driven by two racks 23 and moved down on movable frame 24
It is dynamic so that connecting rod 16 moves up and down so that signal lamp 20 moves up and down, when needing the angle of Regulate signal lamp 20, second
Motor 17 drives cross bar 19 to rotate by the first drive shaft 18, and cross bar 19 drives signal lamp 20 to move in a circle, consequently facilitating by
Truck shelters from observation of the driver of sight to signal lamp 20, prevents the generation of traffic accident.
Preferably, in order to which sliding block 13 slides more stable, second chute 14 is dovetail groove.
Preferably, in order to automatically control the quantity of vehicle in tunnel, the controller includes PLC, display screen 26, at least
Two status indicator lamps 28 of button 27 and at least two, the PLC electrically connect with sensor for countering 29.
Preferably, for each motor of automatic start-stop, first motor 4, the second motor 17 and the 3rd motor 21 with
PLC is electrically connected.
Preferably, in order that button 27 is sensitiveer, the button 27 is contact button.
Preferably, in order to improve the definition of display screen 26, the display screen 26 is LCDs.
Preferably, in order to reduce the energy consumption of status indicator lamp 28, the status indicator lamp 28 is LED.
Preferably, in order to extend the service life of half gear 22 and rack 23, the material and rack of half gear 22
23 material is stainless steel.
Preferably, in order to improve the precision of motor and extend the service life of motor, first motor 4, second
The motor 21 of motor 17 and the 3rd is servomotor.
Drive component drive signal lamp 20 lifts, and the drive signal lamp 20 of the second motor 17 moves in a circle, consequently facilitating by
Truck shelters from observation of the driver of sight to signal lamp 20, and compared with traditional governor motion, the governor motion is being run
When it is more stable, more smooth, vehicle is intercepted by elevating mechanism and follower so that the vehicle in tunnel is maintained at one
Determine in scope, prevent traffic accident, compared with traditional elevating mechanism and follower, elevating mechanism driving follower liter
Drop more steady.
Compared with prior art, governor motion should be passed through based on the tunnel monitoring device of the prevention traffic accident of Internet of Things
The height of Regulate signal lamp 20, compared with traditional governor motion, the governor motion is operationally more stable, more smooth, so as to
It is easy to shelter from observation of the driver of sight to signal lamp 20 by truck, vehicle is carried out by elevating mechanism and follower
Intercept so that the vehicle in tunnel keeps within the specific limits, preventing traffic accident, with traditional elevating mechanism and follower
Compare, elevating mechanism driving follower lifts more steady.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
1. a kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things, it is characterised in that including base (1), driven
Plate (3), governor motion, two fixed plates (2), two elevating mechanisms, two followers, controller and two sensor for countering
(29), two fixed plates (2) are separately positioned on the both sides of the top of base (1), and the elevating mechanism is arranged in fixed plate (2)
Close follower plate (3) side, the elevating mechanism and follower plate (3) be connected, and two followers are separately positioned on
Both sides below follower plate (3), the controller is located in one of the side of the remote follower of fixed plate (2), described
Governor motion is located at the side of the remote follower of another fixed plate (2), controller and sensor for countering (29) nothing
Line signal connects；
The elevating mechanism includes the first motor (4), screw mandrel (5), connecting plate (6), movable block (8) and two guide rods (7), institute
The bottom that the first motor (4) is fixed in fixed plate (2) is stated, first motor (4) and the bottom of screw mandrel (5) are connected,
The connecting plate (6) is fixed on the inwall of fixed plate (2), and the connecting plate (6) is set on screw mandrel (5), two guide rods
(7) both sides of the top of connecting plate (6) are separately positioned on, the movable block (8) is set on guide rod (7) and screw mandrel (5), institute
State and internal thread is provided with movable block (8), the screw mandrel (5) is provided with external screw thread, external screw thread and movable block on the screw mandrel (5)
(8) internal thread in matches, and the movable block (8) is fixedly connected with follower plate (3)；
The follower includes top plate (9), expansion bracket (11), fixed block (12), sliding block (13) and the second chute (14), described
Top plate (9) is fixed on the lower section of follower plate (3), and the top plate (9) is provided with the first chute (10), the top of the expansion bracket (11)
The side at end is be hinged with top plate (9), and the opposite side on the top of the expansion bracket (11) is arranged in the first chute (10), described to stretch
The opposite side on the top of contracting frame (11) is slidably connected with the first chute (10), the side of expansion bracket (11) bottom and fixed block
(12) it is hinged, the opposite side of expansion bracket (11) bottom is be hinged with sliding block (13), and the sliding block (13) is arranged on the second chute
(14) in, the sliding block (13) is slidably connected with the second chute (14)；
The governor motion include montant (15), drive component, connecting rod (16), the second motor (17), the first drive shaft (18),
Cross bar (19) and signal lamp (20), the montant (15) is vertically arranged, and the drive component is arranged in montant (15), the drive
Dynamic component is connected with connecting rod (16), and the top of the connecting rod (16) is fixedly connected with the second motor (17), and described the
Two motors (17) are connected by the first drive shaft (18) and cross bar (19), remote second motor (17) of the cross bar (19)
One end be fixedly connected with signal lamp (20).
2. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 1, it is characterised in that described
Drive component includes the 3rd motor (21), half gear (22), movable frame (24), connecting rod (25) and two racks (23), and described
Three motors (21) are fixedly connected by connecting rod (25) with the inwall of montant (15), and the 3rd motor (21) passes with half gear (22)
Dynamic connection, the top of the movable frame (24) are fixedly connected with the bottom of connecting rod (16), and two racks (23) are separately positioned on
On the inwall of both sides in movable frame (24), half gear (22) is between two racks (23), half gear (22)
Engaged with rack (23).
3. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 1, it is characterised in that described
Second chute (14) is dovetail groove.
4. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 1, it is characterised in that described
Controller includes PLC, display screen (26), at least two buttons (27) and at least two status indicator lamps (28), the PLC and meter
Number sensor (29) electrical connection.
5. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 4, it is characterised in that described
First motor (4), the second motor (17) and the 3rd motor (21) electrically connect with PLC.
6. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 4, it is characterised in that described
Button (27) is contact button.
7. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 4, it is characterised in that described
Display screen (26) is LCDs.
8. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 4, it is characterised in that described
Status indicator lamp (28) is LED.
9. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 2, it is characterised in that described
The material of half gear (22) and the material of rack (23) are stainless steel.
10. the tunnel monitoring device of the prevention traffic accident based on Internet of Things as claimed in claim 2, it is characterised in that institute
It is servomotor to state the first motor (4), the second motor (17) and the 3rd motor (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004366.6A CN107818689A (en) | 2017-10-25 | 2017-10-25 | A kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004366.6A CN107818689A (en) | 2017-10-25 | 2017-10-25 | A kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107818689A true CN107818689A (en) | 2018-03-20 |
Family
ID=61607547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004366.6A Withdrawn CN107818689A (en) | 2017-10-25 | 2017-10-25 | A kind of tunnel monitoring device of the prevention traffic accident based on Internet of Things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107818689A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564800A (en) * | 2018-06-13 | 2018-09-21 | 苏州创存数字科技有限公司 | A kind of intelligent auxiliary prompting equipment and its working method for traffic lights |
| CN108643093A (en) * | 2018-05-10 | 2018-10-12 | 深圳市中科智诚科技有限公司 | A kind of tide track with quick-replaceable function |
| CN108730811A (en) * | 2018-05-07 | 2018-11-02 | 深圳市奈士迪技术研发有限公司 | One kind is convenient for contraction and fixed intelligent desk lamp |
| CN112874590A (en) * | 2021-01-25 | 2021-06-01 | 孙中银 | Tramcar intersection anti-blocking control system and method |
-
2017
- 2017-10-25 CN CN201711004366.6A patent/CN107818689A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730811A (en) * | 2018-05-07 | 2018-11-02 | 深圳市奈士迪技术研发有限公司 | One kind is convenient for contraction and fixed intelligent desk lamp |
| CN108643093A (en) * | 2018-05-10 | 2018-10-12 | 深圳市中科智诚科技有限公司 | A kind of tide track with quick-replaceable function |
| CN108643093B (en) * | 2018-05-10 | 2020-09-01 | 浙江君意文化传媒有限公司 | Tide lane with quick replacement function |
| CN108564800A (en) * | 2018-06-13 | 2018-09-21 | 苏州创存数字科技有限公司 | A kind of intelligent auxiliary prompting equipment and its working method for traffic lights |
| CN108564800B (en) * | 2018-06-13 | 2020-08-14 | 东莞市雍华昊信息技术有限公司 | Intelligent auxiliary reminding equipment for traffic signal lamp and working method thereof |
| CN112874590A (en) * | 2021-01-25 | 2021-06-01 | 孙中银 | Tramcar intersection anti-blocking control system and method |
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Application publication date: 20180320 |