CN212556231U - Intelligent auxiliary device for special pedestrian crossing street - Google Patents
Intelligent auxiliary device for special pedestrian crossing street Download PDFInfo
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- CN212556231U CN212556231U CN202021054459.7U CN202021054459U CN212556231U CN 212556231 U CN212556231 U CN 212556231U CN 202021054459 U CN202021054459 U CN 202021054459U CN 212556231 U CN212556231 U CN 212556231U
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Abstract
The utility model discloses a special pedestrian crosses street intelligence auxiliary device. The device comprises a trolley and a directional wheel track; the trolley comprises a left guardrail, a right guardrail, a guardrail bracket, a chassis, a directional wheel and a guardrail door; the left guardrail and the right guardrail are positioned at the left side and the right side of the trolley; the guardrail doors are positioned at the front side and the rear side of the trolley, the guardrail doors are connected with the axle center of the guardrail support, and the guardrail support is fixed on the chassis; 4 directional wheels are arranged in the chassis, and the 4 directional wheels are respectively positioned on the directional wheel tracks; the directional wheel track is fixed on the ground and is flush with the ground. The utility model discloses a device can effectively ensure all kinds of special pedestrian's crossing the street demand, and is with low costs, easy to maintain, and the device can be in real time and traffic signal system interconnection moreover, has compromise traffic operating efficiency's strategy, has ensured the demand of all kinds of crowds of society, has extensive application prospect.
Description
Technical Field
The utility model belongs to road traffic safety equipment field, concretely relates to special pedestrian crosses street intelligence auxiliary device.
Background
In recent years, urban traffic in China is rapidly developed, conflicts between pedestrian crossing and motor vehicle driving are increasingly growing, and particularly, the problem of street crossing traffic safety of special pedestrians needs to be solved urgently. Special pedestrians such as old people, pregnant women, children, disabled people and the like are slow in speed when passing through the intersection, the passing time of normal traffic signal pedestrians cannot meet the street crossing time requirement of the old people, the situation that the special pedestrians walk in the middle of the road and the traffic signal lamps are changed into motor vehicle passing signals can occur, and therefore the traffic hidden danger is serious, traffic jam is caused easily, and normal operation of urban traffic is affected. At present, some pedestrian crossing systems and warning devices are provided, for example, chinese patent application (CN 109695186 a) discloses "an automatic crossing device for improving the safety of pedestrian crossing", which includes a pedestrian crossing signal lamp, a traffic signal processor, a lifting guard rail and an automatic pedestrian conveying mechanism, but the device has a single function, has no special mechanism for special pedestrians, has insufficient safety, and is mainly placed underground, has a complex structure, is easily influenced by rainwater, and is difficult to maintain.
Disclosure of Invention
An object of the utility model is to overcome the shortcoming that exists among the prior art, provide a special pedestrian crosses street intelligence auxiliary device, the device designs to special pedestrian's street crossing demand, and easy to use and maintenance, the security performance is high, improves special pedestrian's efficiency and security of crossing the street.
The purpose of the utility model is realized through the following technical scheme:
an intelligent auxiliary device for special pedestrian crossing comprises a trolley and a directional wheel track 5; the trolley comprises a left guardrail 1, a right guardrail 1, a guardrail bracket 2, a chassis 3, a directional wheel 6 and a guardrail door 8; the left guardrail and the right guardrail 1 are positioned at the left side and the right side of the trolley; the guardrail doors 8 are positioned at the front side and the rear side of the trolley, the guardrail doors 8 are connected with the axle center of the guardrail support 2, and the guardrail support 2 is fixed on the chassis 3; 4 directional wheels 6 are arranged in the chassis 3, and the 4 directional wheels 6 are respectively positioned on the directional wheel track 5; the directional wheel track 5 is fixed on the ground and is flush with the ground.
The chassis 3 has a certain slope, and the slope is 15 ~ 20 degrees, and the surface of chassis 3 is provided with blind person's stripe. The 4 car stopping blocks 4 are respectively positioned at one end of the four directional wheels 6 and used for preventing the car from sliding when a pedestrian gets on the car.
The guardrail door 8 is an automatic guardrail door and can be respectively started to be closed and opened according to the running and stopping states of the trolley. And the guardrail door 8 is provided with an infrared sensor 12 for sensing the distance between the pedestrian and the guardrail door.
2 indicator lamps 7 are respectively positioned in the middle of the lower parts of the left guardrail and the right guardrail 1; the voice broadcaster 9 and the emergency button 10 are positioned above the inner sides of the left guardrail and the right guardrail 1 and are connected with the control module 14; the left guardrail and the right guardrail 1 are also hung with folding chairs 11, so that the folding chairs can be put down when in use and lean against the left guardrail and the right guardrail by means of inclination angles and gravity when not in use.
The steering engine 13 is positioned at the lower end of the guardrail support 2, is connected with the control module 14 and is used for opening and closing the guardrail door; the pressure sensor 20 is positioned below the upper surface of the chassis 3, is connected with the control module 14 and is used for sensing the weight of pedestrians on the trolley, controlling the number of the pedestrians and preventing overweight; the inside of the chassis is provided with a control module 14, a communication module receiving end 15-2, a motor 17-1 and a brake 17-2, the two sides inside the chassis are provided with a driving module 16, the communication module receiving end 15-2 is connected with the control module 14, the driving module 16 is connected with the control module 14, and the motor 17-1, the brake 17-2 and the driving module 16 are connected for driving and braking the orientation wheel 6.
The intelligent auxiliary device for the special pedestrian crossing comprises a communication module transmitting end 15-1, a pedestrian crossing camera module 19 and a wireless charging transmitting circuit module 23; the communication module transmitting end 15-1 is positioned below the pedestrian traffic signal lamp 18 and used for acquiring a signal lamp signal and then transmitting the signal lamp signal to the communication module receiving end 15-2; the camera module 19 is positioned above the pedestrian traffic signal lamp 18 and is used for identifying the target and counting of the pedestrians waiting to cross the street; a wireless charging transmitting circuit module 23 is arranged below the signal lamp post, and a corresponding receiving conversion and charging circuit module 22 is arranged in the chassis, so that the intelligent auxiliary device for special pedestrians to cross the street can charge the power battery 21 at any time near the wireless charging transmitting circuit module 23, and the intelligent auxiliary device is fully charged and automatically powered off to provide energy for the device to work; the power battery 21 and the receiving and converting and charging circuit module 22 are connected and arranged inside the chassis.
The implementation method of the intelligent auxiliary device for the special pedestrian crossing comprises the following steps:
(1) when the trolley is in a standby state, the power battery 21 is charged wirelessly, the 2 indicator lights 7 are in a slow light change state, special pedestrians with demands on one side can get on the trolley, the guardrail door 8 on one side is opened to enter the trolley, and then the guardrail door 8 is closed;
(2) when the pedestrian traffic signal lamp is a green lamp, the transmitting end 15-1 of the communication module sends a signal to the receiving end 15-2 of the communication module in the chassis 3, after the control module 14 receives the signal transmitted by the receiving end of the communication module, the car blocking block 4 is put down, the indicator lamp 7 is changed into a stroboscopic state, and when the trolley is started, pedestrians on the trolley can face the driving direction and hold the guardrail door 8 or the left guardrail and the right guardrail 1 with two hands; meanwhile, the control module 14 sends a signal to the driving module 16 to drive the motor 17-1 to work, and the device runs forwards;
(3) after the trolley arrives at the opposite street, the trolley blocking block 4 is lifted and the directional wheel 6 is fixed, the indicator light 7 changes into slow light change, the guardrail door 8 close to the street is automatically opened, and special pedestrians get off the street to finish the street crossing process.
When the intelligent auxiliary device for the special pedestrian crossing the street works, namely the intelligent auxiliary device for the special pedestrian crossing the street, if special conditions occur on the road surface or the device, the special pedestrian on the device can press the emergency buttons 10 on the left guardrail and the right guardrail 1 to send emergency signals, after the control module 14 detects the emergency signals, high-level signals are sent to the driving module 16, the triodes are cut off, the motor 17-1 stops working, and the trolley stops; when the situation is eliminated, the pedestrian presses the emergency button again, and the trolley resumes running.
When the device is stopped at the roadside, the blind stripes are arranged on the surface of the chassis 3 and are butted with the blind sidewalk of the pedestrian path, so that the blind can conveniently go up and down the trolley; the chassis is provided with a certain gradient, and the device is convenient for a wheelchair-sitting pedestrian to get on and off.
When the number of people waiting for the special pedestrians exceeds a certain number, the control module 14 controls the driving module 16 to change the speed of the motor 17-1, the speed is properly increased under the condition that the safety is ensured, the number of times of round trip is increased in a pedestrian green light period, and the passing efficiency is improved.
Compared with the prior art, the utility model have following advantage and effect:
(1) the device of the utility model can effectively ensure the street crossing requirements of various special pedestrians, for example, the chassis has a certain gradient, which is convenient for the pedestrians using the wheelchair to use; the bottom disc surface is provided with blind stripes and is butted with a sidewalk blind sidewalk, so that the blind can conveniently climb on the trolley; the folding chair is convenient for pregnant women or old people to sit, and the like.
(2) The utility model discloses a device has target identification tally function, under the circumstances of guaranteeing safety, can improve current efficiency according to the speed when waiting to cross the street number and long self-propelled change device when current.
(3) The utility model discloses a device is provided with the function of multiple early warning, if instruct through pilot lamp, voice broadcast ware etc. pedestrian on the reminding device is prepared, stands well and holds up steady to the pedestrian on reminding device next door notices the driving.
(4) The utility model discloses a device is with low costs, easy to maintain, and the device can be in real time and traffic signal system interconnection moreover, has compromise traffic operating efficiency's strategy, has ensured the all kinds of crowds' of society demand, has extensive application prospect.
Drawings
Fig. 1 is a front view of the intelligent assisting device for special pedestrians to cross the street.
Fig. 2 is a perspective view of the intelligent assisting device for special pedestrians to cross the street.
Fig. 3 is a partial schematic view of the folding condition of the folding chair in the intelligent auxiliary device for special pedestrian crossing.
Fig. 4 is a layout diagram of a bottom power battery and a receiving, converting and charging circuit module of the intelligent auxiliary device for special pedestrian crossing.
Fig. 5 is a control circuit diagram of the intelligent auxiliary device for special pedestrian crossing.
Fig. 6 is a circuit diagram of a pressure sensor of the intelligent assisting device for special pedestrian crossing.
Fig. 7 is a layout diagram of the intelligent assisting device for special pedestrian crossing.
In the figure, 1, left and right guard rails; 2. a guardrail support; 3. a chassis; 4. a vehicle blocking block; 5. a directional wheel track; 6. a directional wheel; 7. an indicator light; 8. a guardrail door; 9. a voice broadcaster; 10. an emergency button; 11. a folding chair; 12. an infrared sensor; 13. a steering engine; 14. a control module; 15-1, a communication module transmitting terminal; 15-2, a communication module receiving end; 16. a drive module; 17-1, a motor; 17-2, a brake; 18. pedestrian traffic lights; 19. a camera; 20. a pressure sensor; 21. a power battery; 22. receiving a conversion and charging circuit module; 23. wireless transmitting circuit module that charges.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
Example 1
An intelligent auxiliary device for special pedestrians to cross a street comprises a trolley, a directional wheel track 5, a communication module transmitting end 15-1, a pedestrian crossing camera module 19 and a wireless charging transmitting circuit module 23. The directional wheel track 5 is fixed on the ground and is flush with the ground.
The trolley comprises a left guardrail 1, a right guardrail 1, a guardrail bracket 2, a chassis 3, a directional wheel 6 and an automatic guardrail door 8. The left guardrail and the right guardrail 1 are positioned at the left side and the right side of the trolley. The 2 indicator lamps 7 are respectively positioned at the middle positions of the lower parts of the left guardrail and the right guardrail 1. The voice broadcaster 9 and the emergency button 10 are positioned above the inner sides of the left guardrail and the right guardrail 1 and are connected with the control module 14; the left guardrail and the right guardrail 1 are also hung with folding chairs 11, so that the folding chairs can be put down when in use and lean against the left guardrail and the right guardrail by means of inclination angles and gravity when not in use.
The automatic guardrail doors 8 are positioned at the front side and the rear side of the trolley, and the automatic guardrail doors 8 can be respectively started to be closed and opened according to the running and stopping states of the trolley. The automatic guardrail door 8 is provided with an infrared sensor 12 for sensing the distance between a pedestrian and the guardrail door. The guardrail door 8 is connected with the axle center of the guardrail support 2, and the guardrail support 2 is fixed on the chassis 3. The steering engine 13 is located at the lower end of the guardrail support 2, is connected with the control module 14 and is used for opening and closing the guardrail door.
The base plate 3 has a certain gradient of 15-20 degrees, and blind stripes are arranged on the surface of the base plate 3; 4 directional wheels 6 are arranged in the chassis 3, the 4 directional wheels 6 are respectively positioned on the directional wheel tracks 5, and the 4 car blocking blocks 4 are respectively positioned at one ends of the four directional wheels 6 and used for preventing the trolley from sliding when a pedestrian gets on the vehicle. The pressure sensor 20 is located below the upper surface of the chassis 3 and connected to the control module 14 for sensing the weight of pedestrians on the vehicle, controlling the number of pedestrians, and preventing overweight. The inside of the chassis is provided with a control module 14, a communication module receiving end 15-2, a motor 17-1 and a brake 17-2, the two sides inside the chassis are provided with a driving module 16, the communication module receiving end 15-2 is connected with the control module 14, the driving module 16 is connected with the control module 14, and the motor 17-1, the brake 17-2 and the driving module 16 are connected for driving and braking the orientation wheel 6.
The communication module transmitting end 15-1 is positioned below the pedestrian traffic signal lamp 18 and used for acquiring a signal lamp signal and then transmitting the signal lamp signal to the communication module receiving end 15-2; the camera module 19 is positioned above the pedestrian traffic signal lamp 18 and is used for identifying the target and counting of the pedestrians waiting to cross the street; a wireless charging transmitting circuit module 23 is arranged below the signal lamp post, and a corresponding receiving conversion and charging circuit module 22 is arranged in the chassis, so that the intelligent auxiliary device for special pedestrians to cross the street can charge the power battery 21 at any time near the wireless charging transmitting circuit module 23, and the intelligent auxiliary device is fully charged and automatically powered off to provide energy for the device to work; the power battery 21 and the receiving and converting and charging circuit module 22 are connected and arranged inside the chassis.
Example 2
When the pedestrian street-crossing signal lamp 18 is red, the communication module transmitting end 15-1 transmits a red light signal to the communication module receiving end 15-2, and after the control module 14 receives the red light signal, the car blocking block 4 connected with the track is lifted to limit the movement of the car. 2 pilot lamps 7 can show simultaneously and change for slow light for remind the pedestrian can step on the dolly. When the street guardrail is used, the infrared sensor 12 detects the distance between a user and the automatic guardrail door 8 close to one side of the street, the control module 14 sends signals to the infrared sensor 12 at regular intervals, the infrared sensor 12 receiving the signals sends infrared signals to the outside, the infrared signals irradiate the user to form reflection, the signals are received after being reflected to the sensor, the control module 14 calculates the distance between the user according to the signals and time difference, when the distance is larger than a certain threshold value, the steering engine 13 connected with the control module is controlled, and the guardrail door 8 close to one side of the street is automatically opened. After the special pedestrians finish getting on the vehicle, the infrared sensor sends a signal to the control module 14 after detecting that no pedestrians get on the vehicle, and the control module 14 drives the steering engine 13 to automatically close the guardrail door 8 close to one side of the street.
Example 3
When the pedestrian street-crossing signal lamp 18 is green, the transmitting end 15-1 of the communication module transmits a green signal to the receiving end 15-2 of the communication module, the control module 14 receives the signal, and the car stopping block 4 is put down to remove the limitation on the car. Indicator light 7 changes to the stroboscopic state, cautions people that the dolly is starting the in-process, and the pedestrian on the car can face the direction of travel and hold guardrail door 8 or left and right guardrail 1 with both hands. The control module 14 sends a pulse width modulated signal to the drive module 16 (wherein the drive module 16 is provided with a photo coupler to prevent high voltage and high current from entering the main control circuit). The driving module is provided with an H-bridge circuit formed by triodes, when the control module 14 sends a low level signal to the driving module, the triodes are conducted, the driving motor 17-1 works, the motor rotates forwards, and the trolley moves forwards. In the driving process, the voice broadcast device 9 sends out specific sound to remind pedestrians of avoiding the driving.
Example 4
After the trolley passes through the road, the control module 14 controls the trolley blocking block 4 to lift and fix the directional wheel 6, the indicator light 7 is changed into a slow light change state, the automatic guardrail door 8 close to one side of the street is automatically opened, and pedestrians get off the street to finish the street crossing process. After a period of time, if the infrared sensor detects that no person is on the vehicle, the guardrail door 8 close to one side of the street is automatically closed; if a pedestrian is detected on the vehicle, the guardrail door close to one side of the street is normally opened, the process is repeated, and then the street crossing process is carried out.
When the intelligent auxiliary device for crossing the street is already in operation, when special conditions occur on the road surface or the trolley, pedestrians on the trolley can press the emergency buttons 10 on the left guardrail and the right guardrail 1 to send emergency signals, when the control module 14 detects the emergency signals, high level signals are sent to the driving module 16, the triodes are cut off, the motor 17-1 stops working, the direct current disc brake 17-2 arranged on the motor output shaft is started, the brake motor stops running immediately, the inertia rotation after the motor is powered off can be avoided, the safety of the pedestrians is harmed, and when the conditions are eliminated, the emergency buttons are pressed again, and the trolley resumes running.
When the trolley is stopped at the roadside, the blind stripes are arranged on the surface of the chassis 3 and are butted with the blind sidewalk of the pedestrian path, so that the blind can conveniently get on and off the trolley; the stripes of the blind are beneficial to the pedestrians crossing the street to stand on the street-crossing auxiliary device and to be stabilized, so that the friction force is increased, and the safety is further increased; the chassis is provided with a certain gradient which is between 15 and 20 degrees, so that the device is convenient for a person sitting on the wheelchair to get on and off.
When the pedestrian waits in the street crossing area, the camera module 19 can identify and count the target of the special pedestrian waiting to cross the street, and the receiving end 15-2 of the communication module realizes the real-time acquisition of the signal of the pedestrian traffic signal lamp 18 and the rear end data of the camera module 19, and realizes the real-time correlation of the state of the intelligent street crossing auxiliary device and the traffic signal. The passing time length and the number of pedestrians waiting to cross the street are judged according to the traffic signal lamp, if the street-crossing crowd density exceeds a certain value, the speed is properly increased under the condition of ensuring the safety, the number of times of the trolley making a round trip is increased in a pedestrian green light period, when the receiving end 15-2 of the communication module receives a signal transmitted by the transmitting end 15-1 of the communication module and is changed, the control module 14 outputs a corresponding signal modulated by the pulse width according to the changed time length, and the driving module 16 changes the current according to the pulse width to realize the work of the motor at different rotating speeds so as to control the passing speed of the street-crossing auxiliary device.
When the intelligent street crossing auxiliary device waits for a special pedestrian to get on the vehicle, the weight of the crowd is received by the pressure sensor 20 on the chassis of the device, the weight is converted into an electric signal to be output to the control module 14, and the control module 14 receives the relevant signal and analyzes the originally set checking load. If exceed original settlement load, control module receives the signal and makes corresponding instruction to pilot lamp 7 and voice broadcast ware 9: the indicating lamp emits stroboscopic light, the voice broadcast device 9 plays an overload prompt to remind people on the vehicle that the vehicle is overloaded and part of people need to get off the vehicle to take the vehicle next time; if the load does not exceed the original set load, the trolley works normally, and the embodiment 1 is implemented.
The above description is only an embodiment of the present invention, but the implementation manner of the present invention is not limited by the above embodiment, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement manners, and are all included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a special pedestrian crosses street intelligence auxiliary device which characterized in that: comprises a trolley and a directional wheel track; the trolley comprises a left guardrail, a right guardrail, a guardrail bracket, a chassis, a directional wheel and a guardrail door; the left guardrail and the right guardrail are positioned at the left side and the right side of the trolley; the guardrail doors are positioned at the front side and the rear side of the trolley, the guardrail doors are connected with the axle center of the guardrail support, and the guardrail support is fixed on the chassis; 4 directional wheels are arranged in the chassis, and the 4 directional wheels are respectively positioned on the directional wheel tracks; the directional wheel track is fixed on the ground and is flush with the ground.
2. The intelligent special pedestrian crossing assisting device according to claim 1, wherein: the base plate is provided with a slope of 15-20 degrees, and blind stripes are arranged on the surface of the base plate; one end of each of the 4 directional wheels is provided with a car stopping block.
3. The intelligent special pedestrian crossing assisting device according to claim 1, wherein: the guardrail door is an automatic guardrail door and can be respectively started to be closed and opened according to the running and stopping states of the trolley; the steering engine is positioned at the lower end of the guardrail support, is connected with the control module and is used for opening and closing the guardrail door; and the guardrail door is provided with an infrared sensor for sensing the distance between the pedestrian and the guardrail door.
4. The intelligent special pedestrian crossing assisting device according to claim 1, wherein: 2 indicator lamps are respectively positioned in the middle of the lower parts of the left guardrail and the right guardrail; the voice broadcaster and the emergency button are positioned above the inner sides of the left guardrail and the right guardrail and are connected with the control module; the left guardrail and the right guardrail are also hung with folding chairs, so that the folding chairs can be put down when in use and lean against the left guardrail and the right guardrail by means of inclination angles and gravity when not in use.
5. The intelligent special pedestrian crossing assisting device according to claim 1, wherein: the pressure sensor is positioned below the upper surface of the chassis, connected with the control module and used for sensing the weight of the pedestrian on the trolley; the inside control module, communication module receiving terminal, motor and stopper that are provided with of chassis, the inside both sides of chassis are provided with drive module, and the communication module receiving terminal is connected with control module, and drive module is connected with control module, and motor, stopper and drive module are connected for drive and braking directional wheel.
6. The intelligent special pedestrian crossing assisting device according to claim 1, wherein: the street-crossing pedestrian camera module is characterized by also comprising a communication module transmitting end, a street-crossing pedestrian camera module and a wireless charging transmitting circuit module; the communication module transmitting end is positioned below the pedestrian traffic signal lamp and used for acquiring a signal lamp signal and then transmitting the signal lamp signal to the communication module receiving end; the camera module is positioned above the pedestrian traffic signal lamp and used for identifying the target and counting the pedestrians waiting to cross the street; a wireless charging transmitting circuit module is arranged below the signal lamp post, and a corresponding receiving conversion and charging circuit module is arranged in the chassis, so that the intelligent auxiliary device for special pedestrians to cross the street can charge the power battery at any time near the wireless charging transmitting circuit module; the power battery and the receiving, converting and charging circuit module are connected and are arranged in the chassis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021054459.7U CN212556231U (en) | 2020-06-10 | 2020-06-10 | Intelligent auxiliary device for special pedestrian crossing street |
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| CN202021054459.7U CN212556231U (en) | 2020-06-10 | 2020-06-10 | Intelligent auxiliary device for special pedestrian crossing street |
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| CN212556231U true CN212556231U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338638A (en) * | 2021-12-07 | 2022-04-12 | 三峡大学 | Internet-of-things intelligent equipment for helping disabled people to cross road and use method thereof |
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- 2020-06-10 CN CN202021054459.7U patent/CN212556231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338638A (en) * | 2021-12-07 | 2022-04-12 | 三峡大学 | Internet-of-things intelligent equipment for helping disabled people to cross road and use method thereof |
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