CN215104830U - Multifunctional pedestrian crossing adopting RFID technology - Google Patents

Abstract

The utility model relates to the road field, in particular to a multifunctional pedestrian crossing adopting the RFID technology, which comprises RFID guide bricks, luminous blind bricks, sounding blind bricks and RFID pressure blind bricks, wherein four brick bodies are tiled on the pedestrian crossing, the RFID pressure blind bricks are pasted with RFID electronic tags at the bottoms, and the work of the luminous blind bricks, the sounding blind bricks and the RFID pressure blind bricks is controlled by a main control board in a control box of an intersection traffic control system, when a pedestrian passes through the pedestrian crossing, the walking of the pedestrian can trigger the blind bricks to generate pressure signals due to the existence of the RFID pressure blind bricks, so that the sounding blind bricks can send out the prompting sound of crossing the road to remind the passerby not to run the red light, and the circuit communication circuit part adopts a level conversion chip to design, thereby effectively increasing the laying range of the brick bodies in the utility model, enhancing the anti-jamming capability of the circuit, reducing the occurrence of circuit faults, and strengthening the safety consciousness of people when passing the pedestrian crossing the road from the reminding angle, has good practical effect.

Description

Multifunctional pedestrian crossing adopting RFID technology

Technical Field

The utility model relates to a road field specifically is a multi-functional pedestrian crossing of RFID technique.

Background

The pedestrian crossing is not generally provided with the relevant characteristics of blind roads, which causes the blind persons to be inconvenient to cross the road, thereby influencing the limitation of the activity range of the blind persons, and the prior blind roads are provided with various sundries, which is more inconvenient for the travel of the blind persons;

modern living material conditions become good, ordinary people buy electric vehicles and buy mobile phones, people can watch the mobile phones from time to time when driving on the road, walking people can also watch the mobile phones at a low head, people concentrate attention on the mobile phones, people can also watch the mobile phones when crossing crosswalks, people riding electric vehicles can run red lights at many times, the behavior is very dangerous, people do not notice the importance of traffic lights, the traffic rules are not paid attention to and get a surprise in mind, the traffic lights at intersections do not have a timely sound reminding function, pedestrians are not stressed, and the unfortunate occurrence is often caused;

some traffic intersections are important or cities are developed, voice prompt devices are arranged at the intersections, but due to the fact that the environment is noisy, the sounds are only clearly heard within a certain range, the effect is not good, pedestrians can easily run red lights at night, and traffic accidents are easy to occur;

the traffic lights in some places are aged or are close to damage to cause the traffic lights to become dark, or in rainy, snowy and haze weather, pedestrians ignore or cannot see clearly more easily, blind people can see wrongly more easily, and people can not cross roads favorably.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a multi-functional pedestrian crossing of RFID technique through set up the blind brick of RFID direction brick, luminous blind brick, the blind brick of sound production and the blind brick of RFID pressure sensing at the pedestrian crossing, increases the RFID technique for the pedestrian crossing becomes intelligent, more is fit for the blind person current, also can let the state of knowing current traffic light that the pedestrian is clear, makes the pedestrian treat carefully, and the warning effect is effectual, has solved the problem of mentioning in the above background art.

The utility model provides a following technical scheme: the multifunctional pedestrian crossing adopting the RFID technology comprises an RFID guide brick, a luminous blind brick, a sound production blind brick and an RFID pressure blind brick, wherein the brick bodies are tiled on the pedestrian crossing, an RFID electronic tag is pasted on the RFID pressure blind brick, the work of the luminous blind brick, the sound production blind brick and the RFID pressure blind brick is controlled, a main control board is provided with a main system circuit, the RFID pressure blind brick triggers the luminous blind brick and the sound production blind brick to perform luminous and sound production actions, the RFID pressure blind brick is matched with blind guiding equipment with RFID, a pedestrian is assisted to pass through the pedestrian crossing, the luminous blind brick is used for emitting light synchronous with a traffic light, the sound production blind brick is used for reminding the pedestrian to follow traffic rules, and the RFID guide brick is matched with the RFID blind guiding equipment to inform the blind of location condition information.

Preferably, the light-emitting blind brick, the sound-producing blind brick and the RFID pressure-sensitive blind brick all comprise brick bodies, inner annular bulges, annular grooves and outer annular bulges are sequentially arranged on the upper surfaces of the brick bodies from inside to outside, screw grooves are arranged on four corners of the brick bodies, screw holes matched with the screw grooves are formed in the bottoms of the brick bodies, rectangular grooves and wire channel grooves are also formed in the bottoms of the brick bodies and communicated with each other, and a circuit board and pouring sealant are arranged inside the rectangular grooves;

the inner annular bulge and the outer annular bulge are both provided with friction grooves;

the luminous blind brick is provided with a luminous structure, the sounding blind brick is provided with a sounding structure, and the RFID pressure-sensitive blind brick is provided with a pressure-sensitive structure.

Preferably, the light-emitting structure comprises an LED lamp and an LED lampshade which are arranged in the inner annular bulge at the center of the brick body, the arc top of the LED lampshade does not exceed the height of the light-emitting blind brick, the light-emitting structure also comprises an LED lamp through hole arranged in a rectangular groove at the bottom of the brick body, and the light-emitting structure is electrically connected with a main control circuit on the controller;

the sounding structure comprises a sounding component embedded into the bottom of the brick body, a circular groove in the middle of the upper surface of the brick body, and a plurality of groups of radially distributed groove-shaped holes arranged in the annular groove, a dustproof net is arranged between the sounding component and the groove-shaped holes, and the sounding structure is electrically connected with a main control circuit on the controller;

the pressure-sensitive structure comprises a pressure-sensitive component arranged at the bottom of the brick body, and the pressure-sensitive structure is electrically connected with a main control circuit on the controller.

Preferably, the outer edge of the brick body of the RFID pressure blind brick is provided with a brick edge.

Preferably, total system circuit includes master control circuit, procedure download circuit, display circuit, RFID detection circuitry, communication circuit, luminous blind brick circuit, the blind brick circuit of RFID pressure sense and the blind brick circuit of sound production, master control circuit respectively with procedure download circuit, display circuit, RFID detection circuitry, communication circuit, luminous blind brick circuit, the blind brick circuit of RFID pressure sense, the blind brick circuit of sound production is connected, the display circuit is used for showing current value and pressure value, the procedure download circuit is used for downloading the procedure.

Preferably, the RFID detection circuit is used for detecting a current of the RFID electronic tag, the RFID detection circuit includes an electronic tag, a third chip, a sixth chip, a seventh resistor, a seventeenth resistor and an eighteenth resistor, the sixth chip, the seventh resistor and the seventeenth resistor together form a non-inverting amplifier, an output end of the non-inverting amplifier is connected to a seventh pin of the third chip, a non-inverting input end of the non-inverting amplifier is connected to the eighteenth resistor connected in series in the RFID electronic tag induction coil, a fifth pin of the third chip is connected to the communication circuit, and the second, third and fourth pins are connected to the main control circuit.

Preferably, the blind brick circuit of sound production is used for sending the traffic and reminds pronunciation, the blind brick circuit of sound production includes first speaker, the one end ground connection of first speaker, the other end links to each other with the collecting electrode of first triode, the projecting pole of fifth triode meets the projecting pole of sixth triode, the basic level of fifth triode links to each other with master control circuit after twenty first resistance series connection, nineteenth resistance links to each other with the basic level of sixth triode after ten photo resistance connect in parallel one end, the other end links to each other with twentieth resistance one end, the twentieth resistance other end links to each other and connects the power with the sixth triode collecting electrode.

Preferably, the light-emitting blind brick circuit is used for emitting light, the light-emitting blind brick circuit comprises three groups of same light-emitting diodes, resistors and triode collectors which are connected in series, the cathodes of the three groups of light-emitting diodes are connected in parallel and grounded, the emitters of the three groups of triodes are connected in parallel and connected with a power supply, and a resistor is connected in series with the base level of any triode and connected with the main control circuit;

the three groups of light-emitting diodes are respectively red, green and yellow diodes, and the number of the diodes with the same color in any group is n.

Preferably, the RFID blind pressure-sensing brick circuit is used for detecting a pressure-sensing signal of the brick body, and comprises a fourth chip, and an output pin of the fourth chip is connected with the communication circuit.

Preferably, the communication circuit is used for transmitting data signals between the RFID pressure-sensitive blind brick and the main control circuit, the communication circuit comprises a fifth chip, a seventh chip and eleventh-seventeenth capacitors, a tenth pin of the fifth chip is connected with the RFID detection circuit, a tenth pin is connected with the RFID pressure-sensitive blind brick circuit, a fourteenth pin and a seventh pin of the fifth chip are respectively connected with a thirteenth pin and an eighth pin of the seventh chip, and a twelfth pin and a ninth pin of the seventh chip are connected with the main control circuit.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. by the novel design of the annular bulge, the blind can easily sense the annular bulge, and the travel activity of the blind is facilitated;

2. the blind brick adopting the RFID technology is matched with the RFID blind stick for use, so that the care and attention of people to the blind can be aroused;

3. when a pedestrian passes through a pedestrian crosswalk, the walking of the pedestrian triggers the blind bricks to generate pressure-sensitive signals due to the existence of the RFID pressure-sensitive blind bricks, so that the sound-producing blind bricks give out a warning sound for crossing the road and remind passers-by not to run red light;

4. the luminous blind bricks are laid on the pedestrian crosswalk, when the blind bricks emit light, the LED lamps are similar to traffic lights, and the light attracts eyes, so that the effect of the traffic lights is achieved, pedestrians in a lower head can be worried about when running red lights, and unfortunate occurrence is avoided;

5. the sounding blind bricks are regularly arranged in the pedestrian crossing, so that the situation that the road passing prompt sound is submerged due to noisy environment is avoided;

6. when a pedestrian slowly watches the mobile phone in the pedestrian crossing, the warning tone of the sounding blind brick can remind the pedestrian to pay attention to safety;

7. the electronic circuit in the utility model is connected with the crossing traffic system, thus saving the additional development cost;

8. the circuit communication circuit part is designed by adopting a level conversion chip, so that the laying range of the brick body can be effectively increased, the anti-interference capability of the circuit is enhanced, and the circuit faults are reduced;

9. the sound production power of the sound production blind bricks can be changed independently in the daytime and at night, and the phenomenon of disturbing residents is avoided.

Drawings

FIG. 1 is the overall effect diagram of the multifunctional crosswalk according to the RFID technology of the utility model;

FIG. 2 is a bottom view of the light-emitting blind brick of the present invention;

FIG. 3 is a top view of the light-emitting blind brick of the present invention;

FIG. 4 is a top view of the sound blind brick of the present invention;

FIG. 5 is a bottom view of the light-emitting blind brick of the present invention;

FIG. 6 is a top view of the RFID pressure blind brick of the present invention;

fig. 7 is a bottom view of the RFID pressure-sensitive blind brick of the present invention;

fig. 8 is an overall block diagram of the circuit structure of the present invention;

fig. 9 is a circuit diagram of the present invention.

Reference numerals: 1. screw holes; 2. a wire channel groove; 3. a brick body; 4. a rectangular groove; 5. an LED lamp through hole; 6. a friction groove; 7. an LED lamp; 8. an annular groove; 9. an outer annular projection; 10. a screw recess; 11. an LED lamp shade; 12. an inner annular protrusion; 21. a sound producing assembly; 24. a slot-shaped hole; 25. a dust screen; 26. a circular groove; (ii) a 34. Brick edges; 31. a pressure sensing component.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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. The embodiment of the utility model provides an in the attached drawing: the different kinds of hatching in the figures are not labeled according to the national standard nor are the requirements placed on the material of the elements.

A multifunctional pedestrian crossing adopting an RFID technology comprises RFID guide bricks, luminous blind bricks, sounding blind bricks and RFID pressure-sensitive blind bricks, wherein four brick bodies are regularly paved on the pedestrian crossing, the paving distance exceeds the width of a road, the four brick bodies are paved at a place where pedestrians stop and wait, the RFID pressure-sensitive blind bricks can be triggered to generate pressure-sensitive signals based on the fact that pedestrians stand, a main control circuit drives the sounding blind bricks to send prompting words of 'red light pedestrians forbid passage, green light pedestrians fast pass, yellow light pedestrians please wait', RFID electronic tags are pasted at the bottoms of the RFID pressure-sensitive blind bricks, the frequency of the electronic tags is 13.56MHz, the transmission distance is 1m, the transmission distance is short, the positions of the blind bricks can be accurately determined, and the blind persons can find the roads of the blind bricks more easily;

the main control circuit adopts a minimum system consisting of 51 singlechips, and the circuit is simple and can meet the design requirements.

The work of the luminous blind bricks, the sounding blind bricks and the RFID pressure sensing blind bricks is controlled by a main control board in a control box of an intersection traffic control system, the main control board of a circuit supplies power for 5V through the intersection traffic control system, the working state of a traffic light of the intersection traffic control system can be sent to a sending and receiving port of a single chip microcomputer, and the single chip microcomputer drives the luminous blind bricks and the traffic light to synchronously emit the same light color.

The luminous blind brick comprises a brick body 3, wherein an annular groove 8, an inner annular protrusion 12, an outer annular protrusion 9 and a friction groove 6 are formed in the upper surface of the brick body 3, the friction groove is formed in the upper surface of the annular protrusion 9, the design aims to increase friction force and form the special feeling characteristics of the blind brick, the blind brick can be identified conveniently, a screw groove 10 and a screw hole 1 are formed in the brick body, when the brick body is paved in a road, the brick body is fixed through an expansion screw, and an LED lamp 7 and an LED lampshade 11 are further installed in the middle of the brick body 3;

the bottom of the brick body is provided with a rectangular groove 4, an LED lamp through hole 5 and an electric wire channel groove 2, the designs are used for conveniently passing an electric wire below the brick body, so that the design can be smoothly laid and used, wherein the rectangular groove 4 is formed because a redundant place is reserved below the brick body for the purpose of being required from time to time, such as adding an RFID electronic tag;

three LED lamp beads with different colors and 3W power are arranged in the luminous blind bricks.

The sound production component 21 in the RFID sound production blind brick is a loudspeaker with a waterproof function, the bottom of the sound brick is provided with a rectangular groove, a wire channel groove and a rectangular groove, and the designed functions and the designed light production blind brick have the same functions and effects as the light production blind brick;

the upper surface of the RFID sound production blind brick is provided with a groove-shaped hole 24, a dustproof net 25 is clamped between the groove-shaped hole 24 and the sound production assembly 21 and used for preventing dust from swinging during the running process of a vehicle, the middle position of the upper surface of the sound brick is provided with a circular groove 26 which is attractive in appearance, the sound brick is also provided with a screw groove and a screw hole, and the sound brick plays a role in fixing.

The upper surface of the RFID pressure blind brick is provided with an annular groove, an annular bulge, a screw groove, a circular groove and a brick edge 34, the brick edge 34 is used for pressing other brick bodies to play a role in auxiliary fixation, the brick bodies are unbalanced in stress at the moment that wheels contact the brick bodies, other bricks are easy to loosen, the brick bodies can play a role in reinforcing fixation, the bottom of the RFID pressure blind brick is provided with a wire channel groove, a rectangular groove and a pressure component 31, the wire channel groove, the rectangular groove and the pressure component are the same as the other brick bodies, and the RFID pressure blind brick and other brick types are also provided with screw holes.

The pedestrian crossing is also provided with an RFID guide brick which is mainly used for being matched with an RFID blind stick to guide the blind to go out, and the four bricks are called blind bricks and hope that people can attach importance to the blind.

The utility model discloses a main control board of link part includes main control circuit, procedure download circuit, display circuit, RFID detection circuitry, communication circuit, luminous blind brick circuit, the blind brick circuit of RFID pressure sensitive and the blind brick circuit of sound production, and main control circuit is connected with procedure download circuit, display circuit, RFID detection circuitry, communication circuit, luminous blind brick circuit, the blind brick circuit of RFID pressure sensitive, the blind brick circuit of sound production respectively;

the display circuit adopts 12864/1602 as a display screen, the displayed content is enough, and the displayed content comprises the current value of the RFID electronic tag, the pressure value of the RFID pressure-sensitive blind brick and the light-emitting color of the current light-emitting brick;

the program downloading circuit is a port for downloading programs, is installed on the main control panel and adopts a design of combining an android interface and a row seat.

The RFID detection circuit comprises an electronic tag, a third chip, a sixth chip, a seventh resistor, a seventeenth resistor and an eighteenth resistor, wherein the sixth chip, the seventh resistor and the seventeenth resistor jointly form a non-inverting amplifier, the output end of the non-inverting amplifier is connected with a seventh pin of the third chip, the non-inverting input end of the non-inverting amplifier is connected with the eighteenth resistor connected in series in an induction coil of the RFID electronic tag, a fifth pin of the third chip is connected with a eleventh pin of a fifth chip of the communication circuit, and the second, third and fourth pins are connected with the thirteenth pin and the fourteenth pin of the single chip.

In this embodiment, ADC0832 is used for the AD conversion chip, LM358 is used for the amplification chip forming the in-phase amplification circuit, when the circuit is in use, the eighteenth resistor generates a voltage signal in the coil loop of the RFID electronic tag, the in-phase amplification circuit amplifies the detected weak RFID electronic tag voltage signal 1000 times, the detected weak RFID electronic tag voltage signal is sent to the AD conversion chip to be converted into a digital signal, then the data information is sent to the single chip microcomputer through the communication circuit, the single chip microcomputer calculates the voltage value and the resistance value, and then the current value is sent to the 1602 display screen, and when the single chip microcomputer receives the RFID electronic tag voltage signal, the sounding blind brick starts to make a circulating sound.

The sound production blind brick circuit is used for sending out traffic reminding voice and comprises a first loudspeaker, one end of the first loudspeaker is grounded, the other end of the first loudspeaker is connected with a collector electrode of a first triode, an emitting electrode of a fifth triode is connected with an emitting electrode of a sixth triode, a base stage of the fifth triode is connected with a twenty-first resistor in series and then connected with a main control circuit, a nineteenth resistor is connected with a tenth photoresistor in parallel, one end of the nineteenth resistor is connected with the base stage of the sixth triode, the other end of the nineteenth resistor is connected with one end of a twentieth resistor, and the other end of the twentieth resistor is connected with the collector electrode of the sixth triode and a power supply;

the circuit principle is that the higher the illumination of the photoresistor is, the lower the resistance value is, the twentieth resistor plays a role in minimum resistance value protection, when the illumination is strong in the daytime, the resistance value of the photoresistor is very small, the twentieth resistor is the lower limit resistance value for ensuring the normal work of the sixth triode, when the illumination is very weak in the evening, the situation that the resistance value of the photoresistor is too large, the triode is cut off to enter a cut-off state, and the nineteenth resistor is arranged for compensating the circuit to ensure the normal work of the circuit;

in the embodiment, the sound control circuit is arranged, sound can be generated at normal power in the daytime, the illumination becomes dark at night, the power of the sounding blind brick for generating sound can be reduced to 70% of the power in the daytime, and the photoresistor can be arranged in the small cylinder to point to the sky when in use, so that the circuit action caused by light pollution can be avoided, and the life of people is influenced;

the power of the loudspeaker used in the embodiment is 15W, so that the loudspeaker can be effectively heard by pedestrians, the function of reminding the pedestrians is realized, and if the pedestrian crossing is long, the loudspeaker can be paved at intervals in the pedestrian crossing, so that the whole pedestrian crossing can be covered by sound.

The blind light-emitting brick circuit is used for emitting light and comprises three groups of same light-emitting diodes, resistors and triode collectors which are connected in series, the cathodes of the three groups of light-emitting diodes are connected in parallel and grounded, the emitters of the three groups of triodes are connected in parallel and connected with a power supply, and the base level of any triode is connected in series with a resistor and connected with the main control circuit;

three groups of light-emitting diodes are red, green and yellow diodes respectively, the number of the diodes with the same color in any group is n, because the pedestrian crossing is different in size, the number of the light-emitting blind bricks which are paved is also unfixed, the blind bricks are actually paved according to specific conditions, and a plurality of LED lamps which emit the same color exist in a plurality of blind bricks;

the LED lampshade 11 is made of plastic or toughened glass and has certain pressure resistance, the top end of the LED lampshade 11 is not beyond the upper surface of the luminous blind brick, and the position of the LED lampshade 11 is slightly lower than the upper surface of the luminous blind brick when necessary, so that the LED lampshade 11 is prevented from being broken when a vehicle presses the luminous blind brick.

The RFID pressure blind brick circuit is used for detecting a pressure signal of the brick body and comprises a fourth chip, and an output pin of the fourth chip is connected with the communication circuit;

the RFID pressure-sensitive blind brick circuits are generally laid at two ends of a pedestrian crossing, and laid at places where pedestrians gather to cross a road, when the pedestrians stand on the RFID pressure-sensitive blind brick circuits, trigger signals are generated, and after the single chip microcomputer receives the signals and delays for three seconds in the single chip microcomputer, the sound-producing blind bricks are driven to work;

when the RFID electronic tag of the RFID pressure-sensitive blind brick receives a 13.56MHz frequency signal of the blind stick, an induction current is generated in the RFID electronic tag, and an RFID detection circuit sends a data signal to a single chip microcomputer and triggers the sounding blind brick to work;

the RFID pressure-sensitive blind brick and the RFID blind stick can trigger the sounding blind brick to work, but are independent.

The communication circuit is used for transmitting data signals between the RFID pressure-sensitive blind brick and the main control circuit, the communication circuit comprises a fifth chip, a seventh chip and eleventh-seventeenth capacitors, a tenth pin of the fifth chip is connected with the RFID detection circuit, a tenth pin is connected with the RFID pressure-sensitive blind brick circuit, a fourteenth pin and a seventh pin of the fifth chip are respectively connected with a thirteenth pin and an eighth pin of the seventh chip, and a twelfth pin and a ninth pin of the seventh chip are connected with the main control circuit;

in this embodiment, the communication circuit adopts two MAX232 chips to form a level conversion circuit, so as to avoid the situation that the circuit fails due to the fact that the circuit receives noise signals and the attenuation of the signals in the circuit during the transmission process affects the level judgment of the single chip microcomputer.

In the embodiment, a first pin, a second pin and a third pin of the single chip microcomputer are connected with the luminous blind brick circuit, a fourteenth pin is connected with the RFID detection circuit, a seventeenth pin is connected with the sounding blind brick circuit, a P0 port of the single chip microcomputer is connected with the display circuit, a twenty-first pin is connected with the communication circuit, a twenty-sixth pin, a twenty-seventh pin and a twenty-eight pin are connected with the display circuit, and a tenth pin and an eleventh pin are connected with the program downloading circuit.

The utility model discloses when using, can be used in the pedestrian crossing, also can be applied in special place, say for example the asylum crossing, disabled school crossing of learning, because the utility model relates to a circuit needs the power supply, every crossing or pedestrian crossing all have two traffic light brackets, so the power supply can draw the power supply line from two traffic light brackets, can provide sufficient power for the brick body circuit of laying like this, power cord and signal line all use the coaxial line, so can very big shielding interference signal, brick body bottom surface seals circuit and electric wire with sealed glue, the circuit board is inside the traffic light bracket, so the utility model discloses just can accomplish waterproof function, avoid the utility model discloses damage failure because of raining;

the utility model discloses when using, the blind person can pass through the pedestrian crossing with the help of the blind stick of RFID, because there is the blind brick of RFID guide, this kind of brick lays most in the pedestrian crossing, for reducing interference and resource consumption, is not every RFID guide brick all has RFID electronic tags, but evenly distributed, for example is five meters and establishes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a multi-functional pedestrian crossing of RFID technique which characterized in that: including RFID direction brick, luminous blind brick, the blind brick of sound production and the blind brick of RFID pressure sensing, four the brick body tiling is on the pedestrian crossing, RFID pressure is felt blind brick and is pasted RFID electronic tags, the work of luminous blind brick, the blind brick of sound production and the blind brick of RFID pressure sensing control, the design has total system circuit on the main control board, the blind brick of RFID pressure sensing triggers luminous blind brick and the blind brick of sound production to send out and the sound production action, and the blind brick of RFID pressure sensing still with possess the blind equipment cooperation of RFID, supplementary pedestrian passes through the pedestrian crossing, luminous blind brick is used for sending and traffic light synchronous light, the blind brick of sound production is used for reminding to abide by the pedestrian traffic rule, the blind brick of RFID direction and the cooperation of the blind equipment of 0RFID guide tell the blind place condition information.

2. The multifunctional crosswalk of RFID technology according to claim 1, wherein: the luminous blind brick, the sounding blind brick and the RFID pressure-sensitive blind brick respectively comprise a brick body (3), wherein an inner annular protrusion (12), an annular groove (8) and an outer annular protrusion (9) are sequentially arranged on the upper surface of the brick body (3) from inside to outside, screw grooves (10) are formed in four corners of the brick body, screw holes (1) matched with the screw grooves (10) are formed in the bottom of the brick body (3), rectangular grooves (4) and wire channel grooves (2) are further formed in the bottom of the brick body (3), the rectangular grooves (4) and the wire channel grooves (2) are communicated with each other, and a circuit board and pouring sealant are arranged inside the rectangular grooves (4);

the inner annular protrusion (12) and the outer annular protrusion (9) are both provided with friction grooves (6);

the luminous blind brick is provided with a luminous structure, the sounding blind brick is provided with a sounding structure, and the RFID pressure-sensitive blind brick is provided with a pressure-sensitive structure.

3. The multifunctional crosswalk of RFID technology according to claim 2, wherein: the LED blind brick comprises a brick body, a light-emitting structure and a controller, wherein the light-emitting structure comprises an LED lamp (7) and an LED lampshade (11) which are arranged in an inner annular bulge at the center of the brick body, the arc top of the LED lampshade (11) does not exceed the height of the light-emitting blind brick, the LED blind brick further comprises an LED lamp through hole (5) which is arranged in a rectangular groove (4) at the bottom of the brick body, and the light-emitting structure is electrically connected with a main control circuit on the controller;

the sound production structure comprises a sound production assembly (21) embedded into the bottom of the brick body, a circular groove (26) in the middle position of the upper surface of the brick body and a plurality of groups of groove-shaped holes (24) which are radially distributed and arranged in the annular groove, a dust screen (25) is arranged between the sound production assembly (21) and the groove-shaped holes, and the sound production structure is electrically connected with a main control circuit on the controller;

the pressure-sensitive structure comprises a pressure-sensitive component (31) arranged at the bottom of the brick body, and the pressure-sensitive structure is electrically connected with a main control circuit on the controller.

4. The multifunctional crosswalk of RFID technology according to claim 3, characterized in that: the outer edge of the brick body of the RFID pressure blind brick is provided with a brick edge (34).

5. Control system applied to a RFID technology multifunctional pedestrian crossing according to any of the preceding claims 1 to 4, characterized in that: the total system circuit include master control circuit, procedure download circuit, display circuit, RFID detection circuitry, communication circuit, luminous blind brick circuit, the blind brick circuit of RFID pressure sense and the blind brick circuit of sound production, master control circuit respectively with procedure download circuit, display circuit, RFID detection circuitry, communication circuit, luminous blind brick circuit, the blind brick circuit of RFID pressure sense, the blind brick circuit of sound production is connected, the display circuit is used for showing current value and pressure value, the procedure download circuit is used for downloading the procedure.

6. The multifunctional crosswalk of RFID technology according to claim 5, characterized in that: the RFID detection circuit is used for detecting the current of the RFID electronic tag, the RFID detection circuit comprises an electronic tag, a third chip, a sixth chip, a seventh resistor, a seventeenth resistor and an eighteenth resistor, the sixth chip, the seventh resistor and the seventeenth resistor jointly form a non-inverting amplifier, the output end of the non-inverting amplifier is connected with the seventh pin of the third chip, the non-inverting input end of the non-inverting amplifier is connected with the eighteenth resistor connected in series in the RFID electronic tag induction coil, the fifth pin of the third chip is connected with the communication circuit, and the second pin, the third pin and the fourth pin are connected with the main control circuit.

7. The multifunctional crosswalk of RFID technology according to claim 5, characterized in that: the blind brick circuit of sound production be used for sending the traffic and remind pronunciation, blind brick circuit of sound production include first speaker, the one end ground connection of first speaker, the other end links to each other with the collecting electrode of first triode, the projecting pole of fifth triode connects the projecting pole of sixth triode, the basic level of fifth triode links to each other with master control circuit after establishing ties with twenty first resistance, nineteenth resistance links to each other with the basic level of sixth triode after parallelly connected with tenth light dependent resistor one end, the other end links to each other with twentieth resistance one end, the twentieth resistance other end links to each other and connects the power with the sixth triode collecting electrode.

8. The multifunctional crosswalk of RFID technology according to claim 5, characterized in that: the light-emitting blind brick circuit is used for emitting light, the light-emitting blind brick circuit comprises three groups of same light-emitting diodes, resistors and triode collectors which are connected in series, the cathodes of the three groups of light-emitting diodes are connected in parallel and grounded, the emitters of the three groups of triodes are connected in parallel and connected with a power supply, and the base level of any triode is connected in series with a resistor and connected with a main control circuit;

the three groups of light-emitting diodes are respectively red, green and yellow diodes, and the number of the diodes with the same color in any group is n.

9. The multifunctional crosswalk of RFID technology according to claim 5, characterized in that: the RFID pressure blind brick circuit is used for detecting a pressure signal of the brick body and comprises a fourth chip, and an output pin of the fourth chip is connected with the communication circuit.

10. The multifunctional crosswalk of RFID technology according to claim 5, characterized in that: the communication circuit is used for transmitting data signals between the RFID pressure-sensitive blind brick and the main control circuit, the communication circuit comprises a fifth chip, a seventh chip and eleventh-seventeenth capacitors, a tenth pin of the fifth chip is connected with the RFID detection circuit, a tenth pin is connected with the RFID pressure-sensitive blind brick circuit, a fourteenth pin and a seventh pin of the fifth chip are respectively connected with a thirteenth pin and an eighth pin of the seventh chip, and a twelfth pin and a ninth pin of the seventh chip are connected with the main control circuit.

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