CN111674411A - Intelligent auxiliary device for special pedestrian crossing street and implementation method thereof - Google Patents

Abstract

The invention discloses an intelligent auxiliary device for special pedestrians to cross a street and an implementation method thereof. 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 device can effectively meet the street crossing requirements of various special pedestrians, is low in cost and easy to maintain, can be interconnected with a traffic signal system in real time, gives consideration to the strategy of traffic operation efficiency, meets the requirements of various social groups, and has wide application prospects.

Description

Intelligent auxiliary device for special pedestrian crossing street and implementation method thereof

Technical Field

The invention belongs to the field of road traffic safety equipment, and particularly relates to an intelligent auxiliary device for special pedestrians to cross a street and an implementation method thereof.

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 109695186a) 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

The invention aims to overcome the defects in the prior art and provides an intelligent auxiliary device for special pedestrians to cross streets and an implementation method thereof.

The purpose of the invention is realized by 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 invention has the following advantages and effects:

(1) the device can effectively meet the street crossing requirements of various special pedestrians, for example, the chassis has a certain gradient, so that the device 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 device has the function of target identification and counting, can automatically change the speed of the device when crossing the street according to the number of people waiting to cross the street and the passing time under the condition of ensuring the safety, and improves the passing efficiency.

(3) The device has multiple early warning functions, such as indication through an indicator light, a voice broadcaster and the like, reminds pedestrians on the device to prepare and stand well and to stand stably, and reminds pedestrians beside the device to pay attention to driving.

(4) The device has low cost and easy maintenance, can be interconnected with a traffic signal system in real time, gives consideration to the strategy of traffic operation efficiency, ensures the requirements of various social groups, and has wide 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 clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 positional relationship between the components, the movement situation, and the like 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 example of the present invention, but the present invention is not limited to the above example, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention and are equivalent to each other are included in the protection scope of the present invention.

Claims (9)

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.

7. An implementation method of the intelligent special pedestrian crossing assisting device of any one of claims 1 to 6 is characterized by comprising the following steps:

(1) when the trolley is in a standby state, the power battery is charged wirelessly, the 2 indicator lights are in a slow light change state, special pedestrians with demands on one side can get on the trolley, the guardrail door on one side is opened to enter the trolley, and then the guardrail door is closed;

(2) when the pedestrian traffic signal lamp is a green lamp, the transmitting end of the communication module sends a signal to the receiving end of the communication module in the chassis, the control module receives the signal transmitted by the receiving end of the communication module, the vehicle blocking block is put down, the indicator lamp is changed into a stroboscopic state, and people on the vehicle can face the driving direction and hold the guardrail door or the left guardrail and the right guardrail with two hands in the starting process of the vehicle; meanwhile, the control module sends a signal to the driving module to drive the motor to work, and the trolley runs forwards;

(3) after the trolley arrives at the opposite street entrance, the trolley blocking block is lifted and the directional wheel is fixed, the indicator light changes into slow light change, the guardrail door close to the street is automatically opened, and special pedestrians get off the street to finish the street crossing process.

8. The implementation method of the intelligent special pedestrian crossing assisting device according to claim 7 is characterized in that: when the intelligent auxiliary device for the special pedestrians to cross the street works, namely the intelligent auxiliary device for the special pedestrians to cross the street, if special conditions occur on the road surface or the device, the special pedestrians on the trolley can press emergency buttons on left and right guardrails to send emergency signals, after the control module detects the emergency signals, high-level signals are sent to the driving module, the triodes are cut off, the motor stops working, and the trolley stops; when the situation is eliminated, the pedestrian presses the emergency button again, and the trolley resumes running.

9. The implementation method of the intelligent special pedestrian crossing assisting device according to claim 7 is characterized in that: when the pedestrian waits in crossing street waiting area, the camera module has special pedestrian recognition function, can discern the pregnant woman, old man, child, sit the wheelchair person, when special pedestrian waited for the number and exceeded certain quantity, control module will control the speed that drive module changed the motor, suitably increases speed under the condition of guaranteeing the security, and the dolly increases the number of times of making a round trip in a pedestrian green light cycle, improves current efficiency.

Images