CN210975591U - Speed limit coordination system for bay type bus station - Google Patents
Speed limit coordination system for bay type bus station Download PDFInfo
- Publication number
- CN210975591U CN210975591U CN201921804702.XU CN201921804702U CN210975591U CN 210975591 U CN210975591 U CN 210975591U CN 201921804702 U CN201921804702 U CN 201921804702U CN 210975591 U CN210975591 U CN 210975591U
- Authority
- CN
- China
- Prior art keywords
- speed limit
- bus
- station
- coordination system
- variable
- 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.)
- Active
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The utility model discloses a speed limit coordination system for bay formula bus station aims at solving the technical problem that bus is out of station inefficiency, reminder information is indefinite. The utility model discloses a first sensor unit and variable speed limit tablet unit, first sensor unit set up and are used for detecting the bus departure in the place ahead of bus stop, and variable speed limit tablet unit sets up in the entrance place the place ahead in public transit harbor, its and first sensor unit communication connection. The utility model has the advantages of: the prompt information is clear, the passing efficiency is improved, and the passing safety is guaranteed.
Description
Technical Field
The utility model relates to a traffic management controlgear technical field, concretely relates to speed limit coordinated system for bay formula bus station.
Background
The method is characterized in that a triangular area exists in a road section provided with a bay type bus stop, when a bus leaves, a proper acceptable gap needs to be found, and if the traffic flow of the outermost lane is large, the bus needs to wait for a long time to converge into a main road traffic flow, so that great time delay is brought to bus passengers on the bus; and when the buses running out of the bus stop station converge into the main road traffic flow, traffic conflicts are easily generated between the buses running straight on the main road at the exit. The conflict is generated, so that traffic accidents are easily induced, the mutual delay of the cars and the buses is increased, the running safety and the passing efficiency of the buses and the cars are seriously influenced, and the delay time of resident traveling is increased.
For the above problems, the existing solution is to set up a general notice board for "slow speed reduction", but this method affects the vehicle passing efficiency on one hand, and on the other hand, the prompt information is not clear enough, so that it cannot be determined how much the vehicle is properly decelerated, and the effect of the notice board is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a speed limit coordinated system for bay formula bus station to solve the technical problem that the bus is out of station inefficiency, the reminder information is ambiguous, and then be used for realizing under the condition of guaranteeing traffic safety, improve the current efficiency of vehicle.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the design is a speed-limiting coordination system for a bay type bus station, which comprises a first sensor unit and a variable speed-limiting board unit, wherein the first sensor unit is arranged in front of a bus stop point and used for detecting the bus departure, and the variable speed-limiting board unit is arranged in front of a station entrance of a bus bay and is in communication connection with the first sensor unit.
Preferably, the first sensor unit includes a pressure sensor, a signal amplifier, and a wireless transmitter connected in sequence.
Preferably, the pressure sensor comprises a CFBPT/B pressure sensor and the signal amplifier comprises an AD620 instrumentation amplifier.
Preferably, the variable speed limit board unit comprises a wireless receiver, a single chip microcomputer and a variable indication board which are installed and connected in a matched mode.
Preferably, the variable signage is L ED matrix signage.
Preferably, the variable speed limit board unit is arranged at a position 135m away from the departure port of the public transport bay, and displays that the speed limit is 30km/h when a bus leaves the station, and displays that the speed limit is 40km/h when no bus leaves the station, or displays the legal speed limit value of a road section.
Preferably, a radar speed measuring instrument is arranged on the main road corresponding to the public transport bay.
Preferably, a second sensor unit with the same structure as the first sensor unit is arranged at the departure port of the public transport bay, and the second sensor unit is in communication connection with the variable speed limit board unit.
Compared with the prior art, the utility model discloses a main beneficial technological effect lies in:
1. through reminding or warning the car on the main road in time to slow down when having the bus to go out the bay, avoid producing the conflict, greatly reduce the emergence probability of accident.
2. The bus exit reminding device is used for reminding or warning the bus on the main road to reserve enough time and space for bus exit, and prevents the bus from being difficult to enter when the road is crowded so as to improve the passing efficiency of the bus.
3. The utility model discloses suggestion main road car normally goes when not having the bus to come out of a station, has guaranteed the current efficiency of main road vehicle.
4. The utility model discloses suggestion or warning information are clear and definite, with strong points, can have the current of corresponding main road vehicle of guiding according to the content that has or not bus transformation suggestion information that stops.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a variable sign when a bus is out of the station in fig. 1.
Fig. 3 is a schematic view of a variable sign in fig. 1 when no bus is outbound.
Fig. 4 is a schematic circuit diagram of the speed limit coordination system for bay type bus station according to the present invention.
In the above figures, 1 is a main road, 2 is a public transport bay, 3 is a stop point, 4 is a signboard viewing line, 5 is a variable signboard, 6 is a radar speed meter, 7 is a first sensor, 8 is a second sensor, 9 is a speed limit signboard, 10 is a sensor unit, and 11 is a variable speed limit signboard unit.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
The programs referred to or relied on in the following embodiments are all conventional programs or simple programs in the art, and those skilled in the art can make routine selection or adaptation according to specific application scenarios.
Example 1: a speed-limiting coordination system for a bay type bus station is disclosed, and referring to fig. 1, 1 is a main road, taking four opposite lanes as an example, 2 is a bus bay, and buses enter from the left side and exit from the right side. The variable speed limit board unit comprises a wireless receiver, a single chip microcomputer and a variable indication board 5, wherein the variable indication board 5 is arranged on the left side of the station entrance, and a driver of the main road can clearly see indication information on the variable indication board 5 at the position of the sign board visual line 4. In the public transit bay 2, 3 are the stop point, and its right side is close to the stop point sideline and sets up first sensor 7, and first sensor 7 adopts CFBPT/B type pressure sensor, and the sensor buries in the underground, and the upper surface is laid the plank or the steel sheet the same with public transit bay road width, can not accurate contact sensor when preventing that the public transit from leaving a station. And the AD620 instrumentation amplifier and the wireless transmitter are connected with the first sensor 7, when a vehicle leaves, the first sensor 7 detects a pressure signal, and the pressure signal is amplified by the instrumentation amplifier and then is sent to the variable speed-limiting board 5 by the wireless transmitter. The instrument amplifier and the wireless transmitter can be buried underground along with the first sensor 7, and can also be arranged on one side of a road and connected with the sensor through an outgoing line, and the sensor detection circuit can be powered by traditional power supplies such as a storage battery and can also be powered by new energy sources such as a solar battery.
The variable direction board 5 in the variable speed limit board unit is composed of L ED array, referring to fig. 2 and fig. 3, the driving part is STM32 type single chip microcomputer and L ED171596A type driving chip, the single chip microcomputer is also connected with a wireless receiver, the wireless communication between the variable speed limit board unit and the first sensor 7 adopts ZIGBEE protocol, the wireless transmitter and the receiver can select the existing ZIGBEE module, the communication between the variable speed limit board unit and the first sensor 7 is referring to fig. 4, under the condition that the bus is not out of the station in the bus bay 2, the variable direction board 5 (shown in fig. 2) prompts speed limit for 40km/h, when the bus is out of the station in the bus bay 2, the first sensor 7 (namely, the pressure sensor in the figure) in the sensor unit 10 detects a pressure signal, the pressure signal is amplified by an instrumentation amplifier and then transmitted to the variable speed limit board unit 11 by the wireless transmitter, and the wireless receiver transmits the signal to the variable direction board after receiving the signal, and the indicating content is changed into 30km/h of speed limit (shown.
The variable speed limit board unit can set indication information through the single chip microcomputer, if the set time is changed from 40km/h to 30km/h and then is changed back to the original 40km/h, if the time of bus departure is calculated to be 15s, the fixed time is set to be 15s, the bus departure is indicated, and a main road is informed that cars can normally pass. Furthermore, a second sensor 8 can be arranged at the outlet of the public transport bay 2, the structure of the second sensor is the same as that of the first sensor, and after the second sensor 8 detects that the public transport is out of the station, the information is transmitted to the variable speed limit board unit 5 to restore the indication information of the variable indication board to 40km/h, so that the obtained time for the bus to be out of the station is more accurate, and the dispatching of the vehicles is more reasonable. Further, set up radar speed indicator 6 on main road 1, be used for calculating the position that variable sign set up earlier, later conveniently monitor the condition of violating the regulations on road.
The specific installation position of the variable signboard 5 in the variable speed limit signboard unit is determined by: assuming that the distance between the variable indicating plate and the exit of the public transport bay 2 is S, the path distance between the first sensor 7 and the exit of the public transport bay 2 is S0The acceleration of the main road automobile during deceleration is a1The acceleration of the bus when the bus is out of the station is a2The normal speed limit of the main road is V1When a bus is out of the station, the main road automobile needs to be decelerated to V2Then, when no bus is out of the station, when the main road automobile normally passes through S: t is1=S/V1When the bus is out of the station and the main road automobile is decelerated and passes S, the deceleration time of the automobile is T2=（V1-V2）/a1The distance of deceleration is S2=（V1+V2）T2The time of uniform motion of the rear half section of the automobile is T3=（S-S2）/V2When the bus is out of the station, S0=a2T4 2[ 2 ] while satisfying T4- T1>1s，T2+T3- T4>1s, namely, the automobile can exceed the exit before the bus exits, and the automobile can reach the exit after the bus exits completely during deceleration, so that the traffic safety and the road traffic efficiency are ensured. In this embodiment, S0Is 85m, a1Is 2 m/s2，a2Is 1.01m/s2Main road speed limit V1The speed limit value after speed reduction is 30km/h, S is 135m, namely the variable indication board 5 in the variable speed limit board is arranged at a position which is 135m away from the bus exit. A ground marking line is added at the position 70m in front of the variable indicator to serve as a signboard visual recognition line 4 to prompt a driver to visually recognize the variable indicator in front, the time for the main road automobile to decelerate through S at any position between the signboard visual recognition line 4 and the variable indicator 5 is longer than the time for starting to decelerate from the variable indicator, and the requirement of T is still met2+T3- T4>1 s. In addition, in the embodiment, a common speed limit sign board 9 is arranged 15m in front of the exit to prompt the driver to recover the normal speed limit of 40km/h on the road section.
The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.
Claims (8)
1. A speed limit coordination system for a bay-style bus station, characterized by: including first sensor unit and variable speed limit tablet unit, first sensor unit sets up and is used for detecting the bus and stops in the place ahead of bus stop, variable speed limit tablet unit sets up in the entrance place the place ahead in public transit harbour, its with first sensor unit communication connection.
2. The speed limit coordination system for an estuary bus station of claim 1, wherein: the first sensor unit comprises a pressure sensor, a signal amplifier and a wireless transmitter which are connected in sequence.
3. The speed limit coordination system for an estuary bus station of claim 2, wherein: the pressure sensor comprises a CFBPT/B pressure sensor and the signal amplifier comprises an AD620 instrumentation amplifier.
4. The speed limit coordination system for an estuary bus station of claim 1, wherein: the variable speed limit board unit comprises a wireless receiver, a single chip microcomputer and a variable indication board which are correspondingly installed and connected.
5. The speed limit coordination system for an estuary bus station of claim 4, wherein said variable sign is an L ED matrix sign.
6. The speed limit coordination system for an estuary bus station of claim 5, wherein: the variable indication board is arranged at a position 135m away from the departure port of the public transport harbor, and displays that the speed limit is 30km/h when a bus leaves the station, and displays that the speed limit is 40km/h or legal speed limit of a corresponding road section when no bus leaves the station.
7. The speed limit coordination system for an estuary bus station of claim 1, wherein: and a radar speed measuring instrument is arranged on the main road corresponding to the public transport bay.
8. The speed limit coordination system for an estuary bus station of claim 1, wherein: the exit of public transit harbour is equipped with the same second sensor unit of first sensor unit structure, the second sensor unit with variable speed limit tablet unit communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921804702.XU CN210975591U (en) | 2019-10-25 | 2019-10-25 | Speed limit coordination system for bay type bus station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921804702.XU CN210975591U (en) | 2019-10-25 | 2019-10-25 | Speed limit coordination system for bay type bus station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975591U true CN210975591U (en) | 2020-07-10 |
Family
ID=71445898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921804702.XU Active CN210975591U (en) | 2019-10-25 | 2019-10-25 | Speed limit coordination system for bay type bus station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210975591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112989553A (en) * | 2020-12-28 | 2021-06-18 | 郑州大学 | Construction and application of CEBs (common electronic devices and controllers) speed planning model based on battery capacity loss control |
-
2019
- 2019-10-25 CN CN201921804702.XU patent/CN210975591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112989553A (en) * | 2020-12-28 | 2021-06-18 | 郑州大学 | Construction and application of CEBs (common electronic devices and controllers) speed planning model based on battery capacity loss control |
| CN112989553B (en) * | 2020-12-28 | 2022-10-18 | 郑州大学 | Construction and application of CEBs (common electronic devices and controllers) speed planning model based on battery capacity loss control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105374215B (en) | A kind of highway trackside prior-warning device | |
| CN109859500A (en) | A kind of high speed merging area safe early warning method based on bus or train route collaboration | |
| CN103093636B (en) | Expressway turning segment variable velocity-limiting control method | |
| CN104900089A (en) | Lane-changing early warning device based on vehicle-vehicle coordination | |
| CN105788312B (en) | A kind of through street variable speed-limiting control method based on bus or train route collaboration | |
| CN105313769A (en) | Vehicle active forewarning method, system and device based on millimeter wave radar | |
| CN110264742B (en) | Vehicle-mounted information monitoring device suitable for expressway and warning method thereof | |
| CN105118322A (en) | Expressway all-weather rear-end collision prevention pre-warning method | |
| CN204641645U (en) | A kind of active collision early warning system on automobile | |
| CN102897155A (en) | Collision avoidance system and automatic braking method of electric automobile | |
| CN205177162U (en) | Highway trackside early warning device | |
| CN103093635B (en) | Expressway crest vertical curve road segment variable velocity-limiting control method | |
| CN104299452A (en) | Vehicle collision pre-warning system and pre-warning method thereof | |
| CN101986367A (en) | Wireless early warning method and device of vehicle traffic accidents | |
| CN102642530A (en) | Intelligent full-automatic braking system and control method thereof | |
| CN103065502A (en) | Vehicular access cooperative system with function of emergency collision avoidance early warning for red light running and method | |
| CN103144654A (en) | Rear-end collision preventing system of rail train | |
| CN210975591U (en) | Speed limit coordination system for bay type bus station | |
| CN202969286U (en) | Warning device for safely driving vehicle out of harbor type emergency parking strip | |
| CN106530827A (en) | Corner driving early warning device, system and method | |
| CN110166946B (en) | Highway vehicle information monitoring method and system based on wireless communication | |
| CN113470389B (en) | Intelligent traffic control method | |
| CN110310517A (en) | A kind of anti-alarming method for power to knock into the back of vehicle on highway and system | |
| CN201203953Y (en) | Track curve anti-collision wireless alarm for automobile | |
| CN202115498U (en) | Automobile distance keeping system for automobile safety driving |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |