WO2020173138A1

WO2020173138A1 - Intelligent movable led traffic guidance system

Info

Publication number: WO2020173138A1
Application number: PCT/CN2019/118299
Authority: WO
Inventors: 吴海舰; 金元群; 林荣剑
Original assignee: 浙江省三门县东海橡胶厂
Priority date: 2019-02-27
Filing date: 2019-11-14
Publication date: 2020-09-03
Also published as: CN109727463A

Abstract

Disclosed is an intelligent movable LED traffic guidance system, comprising a moving trolley (1), a support column (2), an LED guidance screen (3), a solar panel (4), a storage battery (5), a rainproof shed (6) and a controller, wherein the support column (2), the storage battery (5) and the controller are all arranged on the moving trolley (1); the LED guidance screen (3) is arranged on the support column (2); an adjustment column (201) is arranged in the support column (2); the rainproof shed (6) is connected to the adjustment column (201) by means of a spherical hinge; the solar panel (4) is arranged on an upper surface of the rainproof shed (6); and the LED guidance screen (3) is provided with four electric push rods. The intelligent movable LED traffic guidance system has the advantages of being simple and convenient to use and having a good adaptability to various terrains and road conditions; and the solar panel (4) is capable of tracking the direction of sunlight, such that a solar energy utilization rate is high and the probability of feeding is low.

Description

Intelligent mobile LED traffic guidance system

Technical field

[0001] Type a paragraph describing the technical field here. The invention relates to a traffic guidance display product, in particular to an intelligent and movable LED traffic guidance system.

Background technique

[0002] Traffic guidance screens generally refer to display screens made of LED light-emitting diodes. It is generally applied to the dense areas of highways, urban roads and main highways. It can be used to remind people to pay attention to safety when traveling, to promote common knowledge to citizens, to provide timely urban traffic information, to display weather and temperature information, etc. ; It can provide convenience to drivers and pedestrians and help create a good traffic order.

[0003] Since the traffic guidance screen needs a relatively large screen to ensure its use effect, it will have certain requirements on the source of electricity when it is used. In addition, the traffic guidance screen needs to be placed everywhere, which promotes the current traffic The guidance screen will be equipped with solar panels to ensure its use and endurance; however, the solar panels equipped with the traffic guidance screens on the market will still have intermittent power supply and cannot be used during use. It makes us urgently need the emergence of a high-endurance traffic guidance screen

[0004] Chinese patent CN 201721473770.3 discloses a mobile solar information traffic guidance indication screen, including a mobile car, a display screen, a battery, a controller and a solar panel, and the display screen is installed on the stand of the mobile car , And electrically connected with the controller, the battery is electrically connected with the solar panel, and the controller is electrically connected with the battery. Its solar panels can automatically stretch and close, eliminating the tedious manual operation, but still cannot guarantee the long-term use of the traffic guidance screen.

Summary of the invention

technical problem

[0005] Enter the technical problem description paragraph here. The present invention provides an intelligent and mobile LED traffic guidance system, which has the advantages of simple and convenient use, has good adaptability to various terrains and road conditions, and solar panels can The direction of sunlight is tracked, the utilization rate of solar energy is high, and the probability of power feeding is low.

The solution to the problem Technical solutions

[0006] The technical solution of the present invention to solve its technical problems is: an intelligent mobile LED traffic guidance system, which is characterized by: comprising a mobile car, a support column, an LED guidance screen, a solar panel, a battery, a rainproof shed and a controller; The supporting column, the battery and the controller are all arranged on the mobile trolley; the LED induction screen is arranged on the supporting column; the supporting column is a hollow metal column, and a vertical slot is opened in the middle of the supporting column; The supporting column is provided with an adjusting column that can slide up and down relative to the supporting column, and the bottom of the adjusting column is provided with a spring buckle that cooperates with the vertical groove; the rainproof shelter is connected with the top of the adjusting column by a ball hinge structure; The upper surface of the rainproof shed is provided with a solar panel and at least one ambient light sensor; the LED inducing screen is provided with 4 electric push rods, namely A electric push rod and B electric push rod arranged on the upper part of the two vertical sides of the front Push rods, and the C electric push rods and D electric push rods arranged on the upper part of the two vertical sides of the back; the tops of the four electric push rods are provided with a ball seat, and the top of the ball seat is provided with a hemispherical surface In the groove, the hemispherical groove is provided with balls; the outer shape of the ball seat has an outward convex arc surface relative to the push rod connected with it; correspondingly, the rainproof shed is provided with four cross slide grooves, cross A cross card frame is provided below the chute to form a track that matches the ball seat; the controller is respectively connected with the LED induction screen, the solar panel, the battery, the ambient light sensor and the electric pusher The pole is electrically connected.

The beneficial effects of the invention

Beneficial effect

[0007] Enter the beneficial effect description paragraph here. The smart and movable LED traffic guidance system of the present invention has made the following significant progress:

[0008] 1) Simple and convenient to use: When using the intelligent mobile LED traffic guidance system of the present invention, it is only necessary to move the mobile trolley to the required place, and then adjust the orientation of the LED guidance screen to provide information and give It is convenient for drivers and pedestrians to travel. It is simple and convenient to use, and has the advantages of relatively short visual recognition time; it is rain-proof and sun-proof, which increases the service life; and it has the advantage of good adaptability to various terrains and road conditions.

[0009] 2) Long-lasting battery life: The four electric push rods are arranged in a specific manner so that the solar panel of the intelligent movable LED traffic guidance system of the present invention can realize the sun-seeking and tracking function. When working, the controller drives the 4 electric push rods The push rod rises or falls in a specific way to drive the rain canopy toward the direction of the sun, so as to realize the tracking rotation of the solar panel with the direction of the sun and the elevation angle, thereby improving the efficiency of sunlight collection It greatly reduces the probability of being unable to use due to insufficient power, and is especially suitable for use in areas with insufficient sunlight. The intelligent movable LED traffic guidance system of the present invention has a compact and reasonable structure and low energy consumption for driving electric push rods. , Which allows it to be used outdoors for a long time.

[0010] 3) The ball seat of a specific shape can form a limit with the cross card frame so that the ball can be stably arranged between the ball seat and the rain canopy, ensuring that the push rod can smoothly move in the cross chute during use In this way, the solar panel of the present invention has a low failure rate during the sun search process, and is convenient for maintenance and maintenance during use.

[0011] As an optimization, the diameter of the hemispherical groove is 1.1 to 1.2 times the diameter of the ball; the depth of the hemispherical groove is 80 to 85% of its own radius. At this time, it can not only ensure that the ball is not easy to fall during the rolling process, the rolling is smooth, and the reliability is high, but also the rotation angle of the solar panel is larger, which is beneficial to the full utilization of solar energy.

[0012] As an optimization, in the aforementioned intelligent movable LED traffic guidance system, the length of the support column is 1.3~1.5m; the support column is distributed with two vertical slots; correspondingly, the spring buckle is also 2; the distance between the upper end of the vertical slot and the top of the support column is 5-10cm, and the length of the vertical slot is 30-50cm. The spring buckle and vertical groove under this structure can ensure the installation convenience and connection firmness of the support column and the adjustment column, and the rainproof canopy can move up and down freely, which is better matched with the use of electric push rods, and increases the search for solar panels. The daily angle and sun-seeking range greatly improve the stability of the intelligent mobile LED traffic guidance system. Further, the length of the horizontal side of the rain shelter is 1.5 to 2.0 m, and the length of the vertical side is 1.2 to 1.6 m. At this time, the rainproof shed can prevent rain and sun, and can well protect the mobile car.

[0013] As an optimization, in the aforementioned intelligent movable LED traffic guidance system, the chute lengths of the horizontal and vertical sides of the cross chute are 30-40 of the lengths of the horizontal and vertical sides corresponding to the rain shed. % To ensure that the solar panel has sufficient rotation range. Further, the length of the adjusting column is 60 to 80 cm; the length of the push rod that can extend out of the electric push rod is 40 cm to 60 cm. The push rod and adjustment column of this length can ensure that when the solar panel is used, the solar panel and the solar energy are kept at an angle of 70°~90° at all times, which maximizes the solar absorption efficiency.

[0014] As an optimization, in the aforementioned intelligent movable LED traffic guidance system, the cross card frame is fixed to the back of the rain shed by threaded connection. At this time, the threaded connection makes the cross card frame easy to disassemble and assemble, and is convenient for repair and maintenance. [0015] As an optimization, in the aforementioned intelligent movable LED traffic guidance system, there are 4 ambient light sensors, which are respectively arranged on the four corners of the rain shed. At this time, the intelligent mobile LED traffic guidance system of the present invention has the best sensitivity to sunlight, which can make the solar panel more efficient in tracking the sun; and it can also reduce the amount of light in cloudy and rainy days. Unnecessary rotation to avoid unnecessary energy consumption.

[0016] As an optimization, in the aforementioned intelligent movable LED traffic guidance system, the mobile trolley includes a rectangular frame; the wheels are installed under the frame; the four corners of the frame are provided with support columns; Guide wheels are provided below the front end of the frame. The mobile trolley can facilitate the movement, use, transportation and recycling of the intelligent mobile LED traffic guidance system of the present invention.

[0017] As an optimization, in the aforementioned intelligent mobile LED traffic guidance system, the controller includes a 87C52 single-chip microcomputer; the 87C52 single-chip microcomputer is connected with an information interaction module, an LED guidance screen drive module, an information processing module, a voice broadcast module, A positioning module, a compass module and an electric push rod drive module, and a 5G wireless communication module is connected to the information interaction module. The information interaction module is used for wired communication and wireless communication, which is convenient for mobile phone control and remote terminal control; the information processing module is a calculation module for processing the latitude, longitude, sunlight intensity and angle of the intelligent mobile LED traffic guidance system; LED guidance screen The drive module controls the LED screen to display various information; the voice broadcast module is used to control the voice broadcast information; the positioning drive module is used for positioning, and is compatible with the GPS system and the Beidou system; the compass module is used to judge the orientation of the LED guidance screen; electric push The rod drive module is used to control the movement of 4 electric push rods; the 5G wireless communication module is specially used for wireless communication, which is convenient and fast.

Brief description of the drawings

Description of the drawings

[0018] FIG. 1 is a schematic diagram of the front structure of the intelligent movable LED traffic guidance system of the present invention;

[0019] FIG. 2 is a schematic diagram of the back structure of the smart and movable LED traffic guidance system of the present invention;

[0020] FIG. 3 is a schematic view of the structure of the ellipse in the direction A in FIG.

[0021] FIG. 4 is a schematic diagram of the structure of the B circle part in FIG. 2;

[0022] FIG. 5 is a schematic diagram of the electric push rod of the present invention;

[0023] FIG. 6 is a schematic diagram of the structure of the rain shed in the present invention;

[0024] FIG. 7 is a schematic diagram of the circuit structure of the present invention.

The best embodiment for implementing the invention The best mode of the invention

[0025] Embodiment 1

[0026] Referring to FIGS. 1 to 7, as a specific embodiment, the intelligent mobile LED traffic guidance system of the present invention includes a mobile car 1, a support column 2, an LED guidance screen 3, a solar panel 4, a storage battery 5, and a protection The canopy 6 and the controller; the support column 2, the battery 5 and the controller are all installed on the mobile trolley 1; the mobile trolley 1 includes a rectangular frame 101; the wheels 102 are mounted on the frame 101 Below; the four corners of the frame 101 are provided with support columns 103; the front end of the frame 101 is provided with guide wheels 104; the LED inducing screen 3 is provided on the support column 2; the support column 2 is hollow A metal column, the support column 2 has a vertical slot 202 in the middle; the support column 2 is provided with an adjustment column 201 that can slide up and down relative to the support column 2, and the bottom of the adjustment column 201 is provided with a vertical slot 202 Matching spring buckle 2011; the length of the support column 2 is 1.4m; the support column 2 is distributed with two vertical grooves 202, correspondingly, the spring buckle 2011 is also two; the vertical groove 202 The distance between the upper end and the top of the support column 2 is 7cm, and the length of the vertical slot 202 is 40cm; the rainproof shelter 6 and the top of the adjustment column 201 are connected by a ball hinge structure; the adjustment column 201 has a length of 70cm; The length of the horizontal side of the rainproof shelter 6 is 1.7m, and the length of the vertical side is 1.4m; the upper surface of the rainproof shelter 6 is provided with a solar panel 4 and at least one ambient light sensor 8; the LED induction screen There are 4 electric push rods on 3, namely A electric push rod 10 and B electric push rod 11 on the upper two vertical sides of the front, and C electric push rod 12 and D electric push rod 12 and D electric push rod on the upper two vertical sides of the back. Rod 13; the length of the push rod that can extend from the electric push rod is 50cm; the top of the four electric push rods are provided with a ball seat 7, and the top of the ball seat 7 is provided with a hemispherical groove , The hemispherical groove is provided with a ball 701; the outer shape of the ball seat 7 has a convex arc surface relative to the push rod connected to it; correspondingly, the rainproof shed 6 is provided with four cross slide grooves 601 A cross card frame 9 is provided under the cross slide groove 601 to form a track that cooperates with the ball seat 7; the length of the slide groove of the horizontal and vertical sides of the cross slide 601 is corresponding to the horizontal side parallel to the rainproof shed 6 35% of the length of the vertical side; the controller is electrically connected to the LED inducing screen 3, the solar panel 4, the battery 5, the ambient light sensor 8 and the electric push rod, respectively; The controller includes 87C52 monolithic The 87C52 single-chip microcomputer is connected with an information interaction module, an LED induction screen drive module, an information processing module, a voice broadcast module, a positioning module, a compass module, and an electric push rod drive module, and the information interaction module is connected with 5G wireless communication Module.

Invention embodiment Embodiments of the invention

[0027] Embodiment 2

[0028] Different from Embodiment 1, in this embodiment, the length of the support column 2 is 1.3 m; the distance between the upper end of the vertical groove 202 and the end of the support column 2 is 5 cm, and the vertical groove The length of 202 is 30cm; the length of the horizontal side of the rainproof shed 6 is 1.5m, and the length of the vertical side is 1.2m; the length of the chute of the horizontal and vertical sides of the cross chute 601 is corresponding to that of the rainproof shed 3. The length of the parallel horizontal and vertical sides is 30%; the length of the adjusting column 201 is 60 cm; the length of the push rod that can extend out of the electric push rod is 40 cm.

[0029] Embodiment 3

[0030] Different from Embodiment 1, in this embodiment, the length of the support column 2 is 1.5m; the distance between the upper end of the vertical slot 202 and the end of the support column 2 is 10cm, and the vertical slot The length of 202 is 50cm; the length of the horizontal side of the rainproof shed 6 is 2.0m, and the length of the vertical side is 1.6m; the length of the chute of the horizontal and vertical sides of the cross chute 601 is corresponding to that of the rainproof shed 3. 40% of the length of the parallel horizontal and vertical sides; the adjustment.

Industrial applicability

[0031] Enter the industrial practicality description paragraph here. Working principle: After setting up the intelligent mobile LED traffic guidance system, turn it on, and the controller will automatically obtain the time and coordinates of the current location of the intelligent mobile LED traffic guidance system ( Latitude, longitude) and the orientation of the display screen, and calculate the sun’s declination, altitude, and azimuth according to time and coordinates, and finally automatically adjust the angle of the solar panel 4.

[0032] Taking the LED guidance screen 3 facing south in the intelligent mobile LED traffic guidance system as an example, when the sun just rises, the angle between the sunlight and the ground is 0 degrees. At this time, the solar panel 4 is parallel to the ground (at Initial state)

After that, the sunlight gradually rises eastward, and the angle between the sunlight and the ground is formed; the ambient light sensor 8 senses the sunlight intensity (such as 5000Lx) and transmits it to the controller, and the controller controls the A electric actuator 10, the B electric actuator 11, and the C electric actuator The push rods of the push rod 12 and the D electric push rod 13 are raised to one-half the length of the push rod at the same time, so that the rain canopy 6 also rises to the same height; then the A electric push rod 10 and the C electric push rod 10 are driven by the controller The push rod of the push rod 12 rises to a certain height, the push rods of the B electric push rod 11 and the D electric push rod 13 fall the same height, so that the sunlight is perpendicular to the solar panel 4 (preferably 90° vertical, but in the solar cell When the rotation stroke of the plate 4 is limited and cannot reach the vertical, the system automatically selects the maximum stroke), and then every 15 minutes adjust the electric push rod to control the angle between the solar panel 4 and the sunlight, specifically A electric push rod 10 and C electric push rod The putter of rod 12 is lowered, and the putters of B electric putter 11 and _D electric putter 13 rise to the same height to keep the solar panel 4 and sunlight Vertical, continuous tracking of sunlight.

[0033] Taking the LED guidance screen 3 facing east in the intelligent mobile LED traffic guidance system as an example, when the sun just rises, the angle between the sunlight and the ground is 0 degrees. At this time, the solar panel 4 is parallel to the ground (at Initial state)

After that, the sunlight gradually rises eastward, and the angle between the sunlight and the ground is formed; the ambient light sensor 8 senses the sunlight intensity (such as 5000Lx) and transmits it to the controller, and the controller controls the A electric actuator 10, the B electric actuator 11, and the C electric actuator The push rods of the push rod 12 and the D electric push rod 13 are raised to half the length of the push rod at the same time, and the rain canopy 6 also rises to the same height; then the C electric push rod 12 and the D electric push rod 12 are driven by the controller The push rod of rod 13 rises to a certain height, and the push rods of the A electric push rod 10 and the B electric push rod 11 fall the same height, so that the sunlight is perpendicular to the solar panel 4 (preferably 90° vertical, but in the solar panel When the rotation stroke of 4 cannot reach the vertical, the system automatically selects the maximum stroke). After that, adjust the angle between the solar panel 4 and the sunlight by the electric push rod every 15 minutes, specifically C electric push rod 12 and D electric push rod The push rod of 13 is lowered, and the push rods of the A electric push rod 10 and the B electric push rod 11 rise to the same height, so as to keep the solar panel 4 perpendicular to the sunlight and achieve continuous tracking of the sunlight.

[0034] In the process of installing the electric push rod, it is necessary to first align the ball seat 7 with the cross slide groove 601, and then fix the ball seat 7 under the cross slide groove 601 through the threaded cross card frame 9; on the ball seat 7 The ball 701 is in contact with the cross slide 601.

[0035] When the orientation of the LED induction screen 3 is not directly facing one of the directions of southeast, northwest and north, the direction with the smallest angle between the actual orientation of the LED induction screen 3 and the four directions of southeast, northwest and north is the working orientation. For example, the LED induction screen 3 is In the northeast direction, the angle between the direction and the true east is 20 degrees, and the direction to the true north is 70 degrees, and the controller considers that the LED guiding screen 3 is facing the true east.

[0036] The electric push rod of the present invention can use the TGA-100 electric push rod of Zhongshan Daxiang Electric Co., Ltd.

Claims

[Claim 1] The intelligent mobile LED traffic guidance system is characterized in that it includes a mobile car (1), a support column (2), an LED guidance screen (3), a solar panel (4), a battery (5), and a The canopy (6) and the controller; the support column (2), the battery (5) and the controller are all set on the mobile trolley (1); the LED induction screen (3) is set on the support column (2) ) On; the support column (2) is a hollow metal column, the support column (2) is provided with a vertical slot (202) in the middle; the support column (2) is provided with an inner part that can be opposed to the support column (2) ) An adjustment column (201) that slides up and down, the bottom of the adjustment column (201) is provided with a spring buckle (2011) that matches the vertical groove (202); the top of the rainproof shelter (6) and the adjustment column (201) It is connected by a spherical hinge structure; the upper surface of the rainproof shed (6) is provided with a solar panel (4) and at least one ambient light sensor (8); the LED induction screen (3) is provided with 4 electric pushers The rods are A electric push rod (10) and B electric push rod (11) located on the upper two vertical sides of the front, and C electric push rod (12) and D electric push rod ( 1 3); The top of the four electric push rods are provided with a ball seat (7), the top of the ball seat (7) is provided with a hemispherical groove, and the hemispherical groove is provided with a ball ( 701); The outer shape of the ball seat (7) has an outwardly convex arc surface relative to the push rod connected to it; correspondingly, the rainproof shed (6) is provided with four cross slide grooves (601), cross A cross card frame (9) is provided under the chute (601) to form a track that matches the ball seat (7); the controller is respectively connected with the LED induction screen (3) and the solar panel (4) ), the battery (5), the ambient light sensor (8) and the electric push rod are electrically connected.

[Claim 2] The intelligent movable LED traffic guidance system according to claim 1, characterized in that: the diameter of the hemispherical groove is 1.1 to 1.2 times the diameter of the ball (701); the hemisphere The depth of the face groove is 80-85% of its own radius.

[Claim 3] The intelligent mobile LED traffic guidance system according to claim 2, characterized in that: the length of the support column (2) is 1.3~1.5m; the support column (2) is distributed with 2 There are two vertical grooves (202). Correspondingly, there are two spring buckles (2011); the distance between the upper end of the vertical groove (202) and the top of the support column (2) is 5-10 cm, and the vertical The length of the groove (202) is 30-50cm.

[Claim 4] The intelligent mobile LED traffic guidance system according to claim 1, characterized in that: the cross slide (601) has a length of the slide grooves on the horizontal and vertical sides corresponding to the rainproof shed (6) 30-40% of the length of the parallel horizontal and vertical sides.

[Claim 5] The intelligent mobile LED traffic guidance system according to claim 4, characterized in that: the length of the horizontal side of the rainproof shed (6) is 1.5~2.0m, and the length of the vertical side is 1.2~1.6 m.

[Claim 6] The intelligent mobile LED traffic guidance system according to claim 5, characterized in that: the length of the adjustment column (201) is 60~80cm; the length of the push rod that can extend from the electric push rod is 40cm～60cm.

[Claim 7] The intelligent movable LED traffic guidance system according to claim 1, characterized in that: the cross card frame (9) is fixed on the rainproof shed (6) through threaded connection.

[Claim 8] The intelligent mobile LED traffic guidance system according to claim 1, characterized in that: the ambient light sensor (8) has 4, which are respectively arranged on the four corners of the rain shelter (6).