초록 ▼

A method for adaptive wind-driven outdoor all-surrounding information display is disclosed, the method including: 1) installing an outdoor information display apparatus, of which a support means cooperates with a wind rotating means to achieve wind power generation and rotational speed control of an

A method for adaptive wind-driven outdoor all-surrounding information display is disclosed, the method including: 1) installing an outdoor information display apparatus, of which a support means cooperates with a wind rotating means to achieve wind power generation and rotational speed control of an information display means; 2) disposing a plurality of electronically controlled light-emitting display strips on the sails; 3) installing a plurality of working units of a motor/electric generation assembly; 4) installing a control system so that the dynamic trajectories of the rotating electronically controlled light-emitting display strips after they are lit are successively connected with each other thereby creating an all-surrounding and continuous visible graphic and textual image. Apparatuses and control systems implementing the above method are also provided.

대표청구항 ▼

1. A method for adaptive wind-driven outdoor all-surrounding information display, comprising: installing an outdoor information display apparatus driven by natural outdoor wind, the apparatus comprising, from bottom to top: a support means;a wind rotating means, comprising an annular baseplate and a

1. A method for adaptive wind-driven outdoor all-surrounding information display, comprising: installing an outdoor information display apparatus driven by natural outdoor wind, the apparatus comprising, from bottom to top: a support means;a wind rotating means, comprising an annular baseplate and a plurality of sails disposed on the annular baseplate and used to capture wind energy and convert it to mechanical power;an information display means, comprising a plurality of information display devices each installed on the corresponding sail and comprised of at least one electronically controlled light-emitting display strip that is disposed on an outer elevation of the sail and used to distribute graphic and textual information, the support means and the wind rotating means cooperating with each other to achieve wind power generation and rotational speed control of the information display means;a motor/generator assembly, being installed on the support means and the wind rotating means and comprised of a plurality of working units that cooperate with each other to drive the wind rotating means to generate power or keep spinning, the motor/generator assembly turning the mechanical power of the wind rotating means to electric energy and storing the electric energy or converting the stored electric energy to mechanical power to maintain the rotation of the wind rotating means, thereby enabling adaptive control and adjustment of the mutual conversion relation and ratio between the mechanical power and the electric energy by switching between electric-operating and electric-generating modes or by controlling the number of active working units on the wind rotating means and the support means; anda control system, being coupled to each of the working units of the motor/generator assembly and to each of the electronically controlled light-emitting display strips; andcontrolling, by the control system, the cooperation among the working units on the wind rotating means and the support means thus enabling the wind rotating means and the support means to make adaptive adjustments under different wind conditions detected by the control system, wherein the control system automatically controls a mutual conversion ratio between the mechanical power and the electric energy so as to control the plurality of sails to operate within a predetermined rotational speed range, or instantaneously controls, according to the actual rotational speed or speed change of the wind rotating means under the drive of the natural wind, the lighting time, lighting duration, lighting interval, and displayed content of each electronically controlled lighting-emitting display strip or controls part or all of the electronically controlled light-emitting display strips to turn active, so that dynamic trajectories of the displayed contents of all electronically controlled light-emitting display strips after they are lit and rotate are successively connected with each other thus creating an all-surrounding and continuous visible graphic and textual image. 2. The method according to claim 1, wherein the plurality of working units comprise power generation units and motor units, the power generation units being composed of power generating windings of a plurality of stators and rotors which are oppositely disposed on the support means and the wind rotating means, the motor units being composed of a plurality of electric motors and transmission gear sets disposed on the support means or the wind rotating means. 3. The method according to claim 2, wherein controlling the cooperation among the working units on the wind rotating means and the supports and the operation of the information display means comprises: switching, by the control system, between operating modes according to the wind condition sensed by the control system, comprising:when the wind is moderate and the rotational speed of the wind rotating means does not exceed a predetermined maximum or minimum speed, switching, by the control system, the operating mode of the information display apparatus to power generation/forward mode, cutting off the motor units, turning on part of the working units of the motor/generator assembly to generate and store electric power and supply power to the information display means, where the stronger the wind, the larger the number of power generation units that are turned active; the gentler the wind, the smaller the number of active power generation units; and the resistance produced when the active power generation units are operating is used to control the rotational speed of the display device at a normal rotational speed, so that the dynamic trajectories of the contents displayed by the plurality of rotating electronically controlled light-emitting display strips after they are lit are successively connected with each other, thus creating an all-surrounding and continuous visible graphic and textual image;when the wind is exceedingly strong while the wind rotating means does not surpass the predetermined maximum rotational speed, switching, by the control system, the operating mode of the information display apparatus to power generation/protection mode, cutting off the motor units, turning active all power generation units of the motor/generator assembly to fully generate and store electric power, and turning off the information display means, so as to constrict the rotational speed and maintain the safety of the information display apparatus; andwhen the wind is too weak and the speed of the wind rotating means is lower than the predetermined minimum speed, switching, by the control system, the operating mode of the information display apparatus to electric-operating/reverse mode, cutting off the power generation units to stop generating power, turning on the motor units to convert the stored electric power to mechanical energy so as to maintain the display device at the predetermined minimum rotational speed, so that the dynamic trajectories of the contents displayed by the plurality of rotating electronically controlled light-emitting display strips after they are lit and rotate are successively connected with each other thus creating an all-surrounding and continuous display of visible graphic and textual image. 4. The method according to claim 1, wherein the control system is configured to simultaneously control the rotational speed of the wind rotating means and the initial lighting time, lighting duration, lighting interval, and displayed content of each electronically controlled light-emitting display strip of the information display means, or control part or all of the electronically controlled light-emitting display strips to be active, so as to enable the trajectories swept by the plurality of electronically controlled light-emitting display strips after they are lit and rotate to create a continuous and complete image on the entire cylindrical surface; let the visual retention time coefficient be p seconds, then the various parameters satisfy the following relation so as to control the rotational speed of the wind rotating means within the predetermined range: 2π=pnω  (1)or2πR=pnv  (2)where:p is the visual retention time coefficient, and 0.1s≦p≦0.4s;n is the total number of active electronically controlled light-emitting display strips on the sails, and 1≦n≦5m, where m is the number of sails;ω is the angular velocity of the annular baseplate of the wind rotating means, and π/pm≦ω≦2π rad/s;R is the radius of the annular baseplate, and 1m≦R≦50m rad/s; andv is the tangential velocity of the sails on the annular baseplate of the wind rotating means, with a unit of m/s. 5. The method according to claim 1, wherein each electronically controlled light-emitting display strip comprises a backlight plate disposed oriented outwards inside an outer elevation of the corresponding sail, a plurality of LED light-emitting strips, and a light guide column arranged on the outer elevation, where the LED light-emitting strip comprises a single row or multiple rows of high power LED light beads, the light guide column being a cylinder or cone with a geometric centerline of a downward inclination angle of 5˜45°. 6. An apparatus for adaptive wind-driven outdoor all-surrounding information display, the apparatus comprising, from bottom to top: a support means;a wind rotating means, comprising an annular baseplate and a plurality of sails disposed on the annular baseplate and used to capture wind energy and convert it to mechanical power;an information display means, comprising a plurality of information display devices each installed on the corresponding sail and comprised of at least one electronically controlled light-emitting display strip that is disposed on an outer elevation of the sail and used to distribute graphic and textual information, the support means and the wind rotating means cooperating with each other to achieve wind power generation and rotational speed control of the information display means;a motor/generator assembly, being installed on the support means and the wind rotating means and comprised of a plurality of working units that cooperate with each other to drive the wind rotating means to generate power or keep spinning, the motor/generator assembly turning the mechanical power of the wind rotating means to electric energy and storing the electric energy or converting the stored electric energy to mechanical power to maintain the rotation of the wind rotating means, thereby enabling adaptive control and adjustment of the mutual conversion relation and ratio between the mechanical power and the electric energy by switching between electric-operating and electric-generating modes or by controlling the number of active working units on the wind rotating means and the support means; anda control system, being coupled to each of the working units of the motor/generator assembly and to each of the electronically controlled light-emitting display strips, the control system being configured to control the cooperation among the working units on the wind rotating means and the support means thus enabling the wind rotating means and the support means to make adaptive adjustments under different wind conditions detected by the control system, wherein the control system automatically controls a mutual conversion ratio between the mechanical power and the electric energy so as to control the plurality of sails to operate within a predetermined rotational speed range, or instantaneously controls, according to the actual rotational speed or speed change of the wind rotating means under the drive of the natural wind, the lighting time, lighting duration, lighting interval, and displayed content of each electronically controlled light-emitting display strip or control part or all of the electronically controlled light-emitting display strips to turn active, so that dynamic trajectories of the displayed contents of all electronically controlled light-emitting display strips after they are lit and rotate are successively connected with each other thus creating an all-surrounding and continuous visible graphic and textual image. 7. The apparatus according to claim 6, wherein the plurality of working units comprise power generation units and motor units, the power generation units being composed of power generating windings of a plurality of stators and rotors which are oppositely disposed on the support means and the wind rotating means, the motor units being composed of a plurality of electric motors and transmission gear sets disposed on the support means or the wind rotating means. 8. The apparatus according to claim 6, wherein the support means comprises a support frame used to fixedly hang or support a main body portion of the wind-driven information display apparatus, the support frame comprising a base, and a main pillar disposed on the base and used to support the wind rotating means, the wind rotating means being disposed above the support frame and driven by wind for power generation and storage, and the information display means being disposed above the wind rotating means and rotated by the rotation of the wind rotating means and used to set information display contents. 9. The apparatus according to claim 8, wherein the wind rotating means comprises: a first shaft shoulder rotatably sheathed on the main pillar of the support frame;an annular baseplate connected to the first shaft shoulder through a first spoke set and used to install the sails;a plurality of sails disposed along a top surface of the annular baseplate and used to rotate the annular baseplate by wind; anda power generation and storage assembly disposed below the wind rotating means and fixed to the support frame for generating and storing power in cooperation with the wind rotating means. 10. The apparatus according to claim 9, wherein the power generation and storage assembly comprises: a second shaft shoulder fixedly sheathed on the main pillar of the support frame;an annular fixing frame provided on the outer side of the annular baseplate, the annular fixing frame and the second shaft shoulder being fixedly connected via a second spoke set;a plurality of sets of power generating coils or magnets disposed at an inner side of the annular fixing frame;a plurality of magnets or coils fixedly disposed at the periphery of the annular baseplate and opposite to the power generating coils, where each set of cooperative power generating coils or magnets constitutes a power generation working unit;and a storage battery fixed to the support frame for storing electric energy generated when each of the power generating coils is generating power, each power generating coil being coupled to the storage battery. 11. The apparatus according to claim 10, further comprising a controller and a rotational speed sensor provided on top of the support frame, a power output terminal of each power generating coil being coupled to a power input terminal of the storage battery, the controller being configured to control the number of power generating coils coupled to the storage battery by detecting the rotational speed information sent from the rotational speed sensor. 12. The apparatus according to claim 6, wherein each sail is airfoil-shaped, the width of the sail is gradually decreased from one end to the other; a block is provided at the bottom of the sail and a snap slot matched with the block is provided on the annular baseplate, and the sail is secured in the snap slot by the block. 13. The apparatus according to claim 6, wherein a ratio of the height of each sail to the radius of the annular baseplate of the wind rotating means is: 0.3R≦H≦1.2R. 14. The apparatus according to claim 6, wherein each electronically controlled light-emitting display strip comprises a backlight plate disposed oriented outwards inside an outer elevation of the corresponding sail, a plurality of LED light-emitting strips, and a light guide column arranged on the outer elevation, where the LED light-emitting strip comprises a single row or multiple rows of high power LED light beads, the light guide column being a cylinder or cone with a geometric centerline of a downward inclination angle of 5˜45°. 15. A control system for adaptive wind-driven outdoor all-surrounding information display that implements the method according to claim 1, the control system comprising: a PLC (Programmable Logic Controller) controller and a sensor module, the PLC controller being embedded with control software that is included with conditional functions configured to control the rotational speed of the wind rotating means and the number of active electronically controlled light-emitting display strips and relevant operating parameters, the PLC controller being configured to control simultaneously the rotational speed of the wind rotating means and the initial lighting time, lighting duration, lighting interval, and displayed content of each electronically controlled light-emitting display strip of the information display devices, or control part or all of the electronically controlled light-emitting display strips to turn active, so that trajectories swept by each of the electronically controlled light-emitting display strips after they are lit and rotate create a continuous and complete image on the entire cylindrical surface; let the visual retention time coefficient be p seconds, then the control function is as follows so that the rotational speed of the wind rotating means is controlled within the predetermined range: 2π=pnω  (3)or2πR=pnv  (4)where:p is the visual retention time coefficient, and 0.1s≦p≦0.4s;n is the total number of active electronically controlled light-emitting display strips on the sails, and 1≦n≦2m, where m is the number of sails;ω is the angular velocity of the annular baseplate of the wind rotating means, and π/pm≦ω≦2π rad/s;R is the radius of the annular baseplate of the wind rotating means, and 1m≦R≦50m rad/s; andv is the tangential velocity of the sails on the annular baseplate of the wind rotating means, with a unit of m/s. 16. The control system according to claim 15, wherein assuming an image is continued a period of t1 after an electronically controlled light-emitting display strip is lit, and the display strip rotates an angle of θ during the period of t1, then t1 is related with the angular velocity: t1=θ/ω or θ=t1*ω  (5)the information display apparatus satisfies the following condition so that the trajectories swept by the active display strips create a continuous and complete image on the entire cylindrical surface: 2π=θ*n or n=2π/θ  (6)where n is the total number of active electronically controlled light-emitting display strips on the sails, and 1≦n≦2m, where m is the number of sails; andω is the angular velocity of the annular baseplate of the wind rotating means, and π/pm≦ω≦2π rad/s. 17. The control system according to claim 16, wherein assuming, during the continuous rotation process of the same electronically controlled light-emitting display strip, the first image after the electronically controlled light-emitting display strip is lit is sustained a duration of t1 before it is turned off, and after a time interval of t2 a consecutive second image is re-lit, the following condition is satisfied so that the trajectories swept by the display strips after they are successively lit and rotate create a continuous and complete image on the entire cylindrical surface: t2=n1(t1+p)  (7)where n1 is the total number of active electronically controlled light-emitting display strips on the plurality of sails, and 1≦n1≦2m, where m is the number of sails;p is the visual retention time coefficient, and 0.1s≦p≦0.4s;t1 is the duration when the first image of the electronically controlled light-emitting display strip is lit, with a unit of s; andt2 is the time interval between the time when the first image is turned off after it has been lit for the continuous period of t1 and the time when the consecutive second image is re-lit, during the continuous rotation process of the same electronically controlled light-emitting display strip, with a unit of second. 18. The control system according to claim 15, wherein the sensor module comprises at least one rotational speed sensor configured to sense the rotational speed of the wind rotating means, the PLC controller being configured to control the number of power generating coils turned into the power generation mode by the rotational speed information sent from the rotational speed sensor, the rotational speed of the wind rotating means being related to the number of power generating coils turned into the power generation mode by a normal distribution function.