WO2013000194A1 - Système d'éclairage à del - Google Patents

Système d'éclairage à del Download PDF

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Publication number
WO2013000194A1
WO2013000194A1 PCT/CN2011/078768 CN2011078768W WO2013000194A1 WO 2013000194 A1 WO2013000194 A1 WO 2013000194A1 CN 2011078768 W CN2011078768 W CN 2011078768W WO 2013000194 A1 WO2013000194 A1 WO 2013000194A1
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WO
WIPO (PCT)
Prior art keywords
led
led lamp
main station
unit
radio frequency
Prior art date
Application number
PCT/CN2011/078768
Other languages
English (en)
Chinese (zh)
Inventor
冯林
Original Assignee
Feng Lin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Feng Lin filed Critical Feng Lin
Publication of WO2013000194A1 publication Critical patent/WO2013000194A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission

Definitions

  • the present invention relates to a lighting device, and more particularly to an LED lighting system. Background technique
  • LED lamps have been widely used in the field of lighting.
  • the LED guardrail tube along the street, the LED decorative light on the wall of the building, and the LED buried lamp along the road need to adopt multiple LED lights or multiple LED light groups to form a mutual reflection and coordination.
  • LED lighting systems can have very good vision and beautification. Therefore, it is necessary to independently control each LED or each LED group through a control system to control its working state at any time, including the on-off state, brightness and displayed color.
  • a wired control LED lighting system as shown in Figure 1, the LED lighting system transmits the control signal of the PC master to the repeater through a signal line (including a twisted pair), and then the repeater uses the control signal It is distributed to a plurality of sub-controllers through signal lines (including twisted pairs).
  • Each sub-controller is connected in series with a plurality of LED lamps, and the sub-controller can transmit control signals to any one of the LED lamps along the series LED lamps. Thereby, the operating state of the plurality of LED lamps can be controlled.
  • this scheme can control any change of LED lights, since multiple LEDs are connected in series, as long as one LED or sub-controller breaks down, multiple LED light sources will not work properly, so Poor reliability.
  • each LED lamp is controlled by its connection.
  • Module control Since each LED light is controlled by an independent control module, the control signals of the individual LED lights do not affect each other, so the reliability of the control system is better, but because Each control module is not connected to other controllers. Therefore, in order to achieve the purpose of autonomously controlling the LED lights, the control program of each control module is pre-programmed before the project installation, and cannot be changed, although this control method is better.
  • the wireless communication module is connected to the control module.
  • the control signal of the PC master is sent to each control module through a wireless repeater.
  • the object of the present invention is to solve the technical problems of the prior art lighting system of the LED lamp, such as a relatively short control distance, a narrow application range, unstable operation, high cost, and the like.
  • the present invention provides a new illumination system for an LED lamp.
  • the invention provides an LED lighting system, comprising a console and a plurality of LED light groups, each LED light group comprising a main station LED light and a plurality of slave station LED lights, each of the LED light groups
  • the station LED light establishes radio frequency communication with the main station LED lamp, and each main station LED lamp performs one-to-one relay radio frequency communication, and the console performs radio frequency communication with a main station LED lamp, and the main station LED lamp will
  • the radio frequency signal relay of the console is transmitted to another main station LED lamp;
  • the console includes a first control unit, and the first control unit controls the operation of the main station LED lamp through the console and the main station LED lamp
  • the established communication link is sent to the primary station LED, and the first control unit transmits an instruction to control the operation of the secondary LED to the secondary LED through a communication link established between the console and the secondary LED.
  • Each LED lamp includes a radio frequency unit.
  • the radio frequency unit signal of the main station LED lamp covers the number of LED lamps in the LED lamp group.
  • the RF unit signal of the slave station LED lamp covers the LED lamp group. The number of LED lights is large.
  • the console further includes a first storage unit, configured to store physical address information of each LED light-emitting unit and position information of each LED light, and physical address information of each LED light-emitting unit and corresponding position information of each LED light- .
  • the console further includes a first radio frequency unit, the first radio frequency unit of the console sends a group call command to the radio frequency unit of each LED lamp, and the responding LED lamp is used as the first LED lamp group, and the first LED lamp is used. Comparing the physical address information of the LED light unit in the group with the physical address information of each LED light unit stored in the first storage unit and the position information of each LED light, and finding the first LED group In the position of each LED lamp, an LED lamp located at the center of the first LED lamp group is used as the first main station LED lamp, and the other LED lamps in the first LED lamp group are used as the first slave station LED lamp.
  • the radio frequency unit of the main station LED lamp sends a group call command to each LED lamp, removes the slave station LED lamp connected to the main station LED lamp, and uses the other LED lamps to be the second LED lamp group, and the second LED Comparing the physical address information of the LED light unit in the light group with the physical address information of each LED light unit stored in the first storage unit and the position information of each LED light, and finding the second LED light group In the position of each LED lamp, an LED lamp located at the center of the second LED lamp group is used as the second main station LED lamp, and the other LED lamps in the second LED lamp group are used as the second slave station LED lamp.
  • the main station LED lamp includes a second storage unit, and the second storage unit is configured to store an instruction to control operation of the slave station LED lamp, the main station LED lamp includes a second control unit, and the second control unit The control command stored in the second storage unit is sent to the slave LED light.
  • the slave station LED lamp includes a third storage unit, the third storage unit is configured to store a slave station work instruction, the slave station LED lamp includes a third control unit, and the third control unit acquires a third storage unit The control command controls the slave LED light to operate.
  • the first control unit of the console controls the first radio frequency unit to periodically send a clock tick to each LED lamp, and the radio frequency unit of each LED lamp receives the clock tick and stores and recalls.
  • Each LED lamp circulates frequency hopping in the 2.4G frequency range of 200 ⁇ 300 frequency points.
  • the main beneficial effects of the LED lighting system of the present invention are:
  • the invention adopts the relay radio frequency communication by using the LED lights of each main station, so that the console can transmit the command for controlling the operation of each LED lamp to a greater distance, and solves the transmission distance which is caused by the wireless control mode in the prior art. problem.
  • the LED illumination system of the invention can realize the relay transmission of the radio frequency signal by the other main station LED lamp or the slave station LED lamp instead of the main station LED lamp when the main station LED lamp radio unit fails, and can also realize the new formation of the new one.
  • the main station LED light to the control link of the slave LED light, and realizes the automatic control function, which makes the whole LED control work stable, easy to maintain, and low in cost.
  • the LED lamp of the LED lighting system of the invention has a storage unit, and when the control terminal is faulty or disconnected, the data stored in the storage unit can be called autonomously to realize the display state of the control LED. Moreover, in the case that the console and the main station LED lights are off, the main station LED lights can call the stored data to control the slave LED lights, and the control is more intelligent.
  • the invention periodically sends a clock tick to each LED lamp through the console, so that the work of each LED lamp is synchronized, and the problem that the display lights are out of synchronization with each LED lamp is avoided.
  • the LED lamps in the LED lighting system of the invention are cyclically frequency hopped in the 2.4G frequency band of 200-300 frequency points, which can avoid the phenomenon that the whole system is disturbed by external frequency interference.
  • FIG. 1 is a block schematic diagram of a prior art LED lighting system
  • FIG. 2 is a block schematic diagram of an LED illumination system according to an embodiment of the present invention.
  • FIG. 3 is a block diagram showing a console of an LED lighting system according to an embodiment of the present invention.
  • FIG. 4 is a schematic block diagram of a main station LED lamp of an LED lighting system according to an embodiment of the present invention
  • FIG. 5 is a block schematic diagram of a slave station LED lamp of an LED lighting system according to an embodiment of the present invention.
  • the present invention provides an LED lighting system including a console and a plurality of LED light groups, each of which includes a main station LED light and a plurality of slave LED lights, the control
  • the station is connected to the PC, and may be connected by a wireless connection or by a wired connection.
  • the console, the main station LED lamp and the slave LED lamp each include a radio frequency unit.
  • the radio frequency of the console is Unit, we call it the first RF unit.
  • the RF unit of the slave LED light is called the third RF unit, and the same LED unit.
  • the slave LED light and the main station LED light are connected to the third RF unit by the second RF unit to establish a radio frequency communication.
  • the radio communication between the main station LED lamp and the slave LED lamp is a main
  • the station LED lights communicate with a plurality of slave LED lights, and the main station LED lights perform relay radio frequency communication.
  • the present invention includes N main station LED lights.
  • N Two main station LED lights, , Nth main station LED lights, where N is a natural number, the first main station LED lamp and the second main station LED lamp are connected by radio frequency signal, the second main station LED lamp is also connected with the third main station LED The lamp establishes a connection through the radio frequency signal, and the third main station LED lamp is connected with the fourth main station LED lamp through the radio frequency signal, and so on, the N-1 main station LED lamp establishes the radio frequency with the N-2 main station LED lamp. Communication, also establishes radio frequency communication with the Nth main station LED lamp. In fact, the second main station LED lamp and the N-1 main station LED lamp play the role of radio frequency signal relay transmission, and the console and the first main station LED lamp pass.
  • the first radio frequency unit is connected to the radio frequency signal of the second radio frequency unit to establish a radio frequency communication link.
  • the console includes a first control unit, in addition to the first radio frequency unit, the first The control unit sends the command for controlling the operation of each LED lamp to the global transmission at the same time. Even if the working instructions of each LED light are different, but because of each LED The physical address of the radio unit connected to the lamp is different, so the control command sent by the first control unit may include all the control commands of the LED lamp, and the control unit of each LED lamp sorts after receiving the control command, looking for A sub-control command corresponding to the physical address of the radio frequency unit of the LED lamp is output, thereby controlling the driving unit of the LED lamp to drive the LED lighting unit to operate.
  • the purpose of this design is mainly to save costs, because if the control commands sent to the LED lights are different, in order to avoid the interference of the adjacent two LED lamp communication signals, the communication principle of the mobile phone must be similar to the method of frequency hopping. Radio frequency communication, in this way, not only increases communication costs, but also the problem of synchronization of playback data between LED lights is difficult to solve.
  • the main station LED lamp includes not only the second radio frequency unit but also the second control unit, as shown in FIG.
  • the slave station LED lamp includes not only a third radio frequency unit, but also a third control unit, and the first radio frequency unit of the console sends a control command generated by the first control unit to the third radio frequency of the first main station LED lamp.
  • the third radio frequency unit of the first main station LED lamp receives the control command and sends it to the second control unit of the first main station LED lamp for sorting, and selects a sub-match with the first main station LED lamp.
  • the console includes a first storage unit, which will be described later
  • the second control unit of the first primary station LED light acquires the second storage unit
  • the sub-control command stored in the control unit drives the main station LED lighting unit to operate; meanwhile, the second control unit of the first main station LED lamp transmits the control command sent by the console through the second radio unit Giving the second main station LED lamp, the second radio unit of the second main station LED lamp receives the control command and performs the same operation as the first main station LED lamp, and forwards the control command to the third main station LED lamp and
  • the sub-control instructions corresponding to the LEDs of the second main station are sorted out, and are not described herein again.
  • the first main station LED lamp not only forwards the control command sent by the console to the second main station LED lamp, but also sends a control command group sent by the console to each slave station that establishes a radio frequency communication link with the first main station LED lamp.
  • a station LED lamp each slave station LED light sorts a corresponding sub-control command from the control command and stores the sub-control command in a third storage unit, and the slave station LED lamp acquires the third storage unit
  • the sub-control command stored in the control drive unit drives the illumination unit of each slave LED lamp to operate.
  • the second main station LED lamp forwards the control command issued by the console to the second main station in addition to forwarding the control command sent by the console to the third main station LED lamp.
  • the LED lamp establishes the slave LEDs of the RF communication link, and the slave LEDs sort out the corresponding control commands from the control commands to control the operation of the LEDs of the slave LEDs.
  • the main station LED lamp and the slave LED lamp adopt the same component structure, but the function realized when the component RF communication network is performed with the console is different, and which LED lamp is determined as the main station among the LED lamps. LED lights, which LEDs are determined as slave LEDs are determined by the position of each LED relative to the console.
  • Manual setting first number each LED light, the number of each LED light corresponds to the two-dimensional spatial position of each LED light, and divide each LED light into multiple LED light groups according to the two-dimensional spatial position where each LED light is located. , in each LED light group, select an LED light located at the center of the two-dimensional plane of the LED light group as a main station LED light, and use other LED lights in the LED light group as a slave LED light to establish a main station LED light.
  • a star topology communication network for one-to-many radio frequency communication to the slave station LED lights, and other LED lamp groups also select the main station LED lights and the slave station LED lights according to the above method, and establish a star topology communication network.
  • each main station LED lamp is established, and the number of LED lights included in each LED lamp group is not limited, and the area of the two-dimensional plane composed of each LED lamp may be different, but the condition that must be satisfied is adjacent
  • the main station LED lights can establish an RF communication connection.
  • the network topology chart is stored in the first storage unit of the console, and the first control unit of the console invokes the network topology structure diagram to send control instructions to the LED lights.
  • the line of the control command reaching the LED lamp is performed according to the network topology, and the control command is forwarded by other LED lights if the control command cannot be reached at one time.
  • the guardrail pipes along the street are arranged in a straight line, with a total of 3,000 guard rails, each guard rail is 1 meter long, one LED light is placed in each guardrail tube, and each LED light includes an RF communication unit.
  • the farthest communication distance of the LED light control system is 3000 meters. If the relay RF communication is not performed, if the farthest distance of the RF communication is 100 meters, the console cannot directly transmit the RF signal to wherever it is located. LED lights.
  • the LED lights are numbered 0001 ⁇ 3000, and the 3000 LED lights are divided into 30 groups, each The group includes 100 LED lights, the LEDs numbered 0001 ⁇ 0100 are the first group, the LEDs numbered 0101-0200 are the second group, and the LEDs numbered 0050 are located at the center of the first group of LED lights.
  • the LED lamp of 0150 is located at the center of the second group of LED lamps.
  • the LED lamp numbered 0050 and the LED lamp numbered 0150 are 100 meters apart, which can just establish RF communication, and the LED lamp numbered 0050 is located in the first group.
  • the center of the LED light can establish RF communication with the other LED lights of the first group of LED lights, so the LED lamp numbered 0050 can be manually set as the main station LED light of the first group of LED lights, and the LED lamp numbered 0150
  • the main station LED lights, the first group of LED lights and the other of the second group of LED lights are slave LED lights, establishing one-to-many of the main station LED lights and the slave station LED lights.
  • the link of the radio frequency communication establishes a relay radio frequency communication link between the main station LED and the main station LED lamp.
  • the system automatically sets, first number each LED light, find the physical address of each LED light unit, establish the corresponding relationship between each LED light number and the physical address of the RF unit, and the number of each LED light and each LED Corresponding relationship between the physical address of each LED light-emitting unit and the two-dimensional spatial position of each LED light is established, and the correspondence is stored in the first storage of the console.
  • the first radio frequency unit of the console sends a group call command to the radio frequency unit of each LED lamp, and the responding LED lamp is used as the first LED lamp group, and the LED lamp radio frequency unit in the first LED lamp group Comparing the physical address information with the correspondence between the physical address information of each LED light unit and the position information of each LED lamp stored in the first storage unit, and finding the position in each LED light in the first LED group , an LED light located at the center of the first LED light group is used as the first main station LED light, and the other LED lights in the first LED light group are used as the first slave station LED light, and the first first station LED light is determined.
  • each LED light sends a group call command, removing the slave LED light connected to the first main station LED light, using the other LED lights as the second LED light group, and the LED light in the second LED light group Comparing the physical address information of the radio frequency unit with the physical address information of each LED light unit and the position information of each LED light stored in the first storage unit, and finding out among the LED lights in the second LED light group Position, an LED light located at a central position of the second LED light group as a second primary station LED light, and other LED lights in the second LED light group as a second slave station LED light.
  • the second LED lamp group determines the second main station LED lamp and the second slave station LED lamp, the second main station LED lamp continues to work.
  • the first main station LED lamp performs the same operation, determines the LED lamp composition in the third LED lamp group, and selects the third main station LED lamp and the third slave station LED lamp in the third LED lamp group.
  • the working principle of the LED lights of the other main stations is the same as that of the LED lights of the second main station, and will not be described here.
  • the same RF communication network topology structure as above is manually established and communicated and controlled.
  • the communication principle and control principle are the same as the manual settings described above, and will not be described here.
  • the LED After the network topology is established, if one of the LED lights has a power failure, causing the RF unit to fail to work properly, the LED will be disconnected from the entire communication network, if the broken LED is the primary LED The lights, then the slave LEDs that establish one-to-many radio communication with the main station LEDs are also disconnected from the entire communication network. Of course, this is not allowed.
  • the present invention solves the above problems by adopting the following method:
  • the first radio frequency unit of the console further includes a first connection signal detecting module, the first radio frequency unit periodically sends a paging command to the first main station LED lamp connected to the console and receives the first main station LED a response command sent by the lamp, the first connection signal detecting module is configured to detect a time when the response command returns, and determine whether the time is greater than a certain threshold, and when the time returned by the response command is greater than a certain threshold,
  • the connection signal between the console and the first main station LED lamp is interrupted, and after the first main station LED lamp and the console connection signal are interrupted, the first control unit of the console controls the first radio frequency unit to each LED
  • the radio frequency unit of the lamp sends a group call command, and then performs the work of re-establishing the network topology structure.
  • the radio frequency unit of the first main station LED lamp further includes a second connection signal detecting module, and the radio frequency unit of the first main station LED lamp periodically connects to the second main station LED lamp.
  • the station LED lamp and the first slave LED lamp send a paging command and receive a response command sent by the second master station LED and the first slave LED, the second connection signal of the first station LED
  • the module is configured to detect the time returned by the response command, and determine whether the time is greater than a certain threshold. When the time returned by the response command is greater than a certain threshold, the first primary station LED and the second primary are determined.
  • the station LED light or/and the first slave station LED lamp connection signal is interrupted, after the first main station LED lamp and the second main station LED lamp connection signal are interrupted, the first master station LED
  • the command is invoked, and then the work of re-establishing the network topology structure is performed.
  • the working principle is the same as that of the above-mentioned system for establishing the network topology structure for the first time, and will not be described here;
  • connection signal of the LED lamp and the first slave LED lamp After the connection signal of the LED lamp and the first slave LED lamp is interrupted, an instruction to interrupt the connection signal between the first master station LED and the first slave LED lamp is sent to the console.
  • the operation of the other main station LED lights and slave LEDs is the same as that of the first master LED and the first slave LED, and will not be described here.
  • the working principle of the LED lights of the other main stations is the same as that of the above-mentioned first main station LED lights, and will not be described here.
  • the console can send control commands to the LED lights through the RF communication network.
  • the working states of the LED units of the LED lamps do not need to be updated every moment, if The control command of the working state of the LED unit of the LED lamp needs to be sent through the console every moment, which will impose a great burden on the communication network.
  • the signal transmission will be temporarily interrupted.
  • the problem of signal transmission delay is easily caused, and the problem that the operating states of the light-emitting units of the LED lamps are not synchronized may further occur.
  • a storage unit is provided in each LED lamp for storing a sub-control command for controlling the operation of each LED lamp illumination unit, and sometimes the console loses connection with the first main station LED lamp, or the first main station LED
  • the main station LED lights can still control the operation of the slave LEDs connected thereto, and the main station LED lights also include the second storage unit.
  • the second storage unit is configured to store an instruction for controlling operation of the slave LED
  • the control command is a control command sent by the controller
  • the primary station LED lamp includes a second control unit
  • the second control unit The control command stored by the second storage unit is sent to the slave LED light.
  • each LED lamp After each LED lamp is provided with a storage unit, the control unit of each LED lamp can call the control command stored in the storage unit to control the operation of the light-emitting unit, or the LED lights of each slave station can also be directly controlled by the LED light of the master station, because each slave station LED
  • the control commands of the lamp and the LED lights of each main station can be independent of each other, and the working time data is read from the crystal oscillator of the control unit of each LED lamp. Since the crystal oscillator will have time error during long-term use, each LED lamp The working state of the light unit may be out of sync.
  • the first control unit of the console controls the first radio unit periodically.
  • the clock tick is sent to each LED lamp, and the radio frequency unit of each LED lamp receives the clock tick and stores and recalls, so that the time error of each LED lamp crystal oscillator is corrected, and the LED illumination system can be synchronized.
  • each LED lamp in the control system of the LED lamp of the present invention performs cyclic frequency hopping operation in the 2.4G frequency band of 200 ⁇ 300 frequency points.
  • each LED lamp has the same physical structure, and includes a radio frequency unit, a power supply unit, a control unit, a storage unit, a driving unit, and a lighting unit.
  • the power unit is used for the radio frequency unit, the control unit, the storage unit,
  • the driving unit and the lighting unit supply power
  • the driving unit is configured to acquire the control instruction of the control unit to control the operation of the lighting unit.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un système d'éclairage à DEL comprenant une console et une pluralité de groupes d'éclairage à DEL, chaque groupe d'éclairage à DEL comprenant un éclairage à DEL de station principale et une pluralité d'éclairages à DEL de stations asservies. Les éclairages à DEL de stations asservies et l'éclairage à DEL de station principale dans chaque groupe d'éclairage à DEL établissent une communication radiofréquence et chaque éclairage à DEL de station principale réalise une communication radiofréquence à relais de masse biunivoque. La console réalise une communication radiofréquence avec un éclairage à DEL de station principale, l'éclairage à DEL de station principale transmettant le signal de radiofréquence de la console à un autre éclairage à DEL de station principale en relais. La console comprend une première unité de commande, la première unité de commande envoyant à l'éclairage à DEL de station principale une instruction concernant le fonctionnement de l'éclairage à DEL de station principale au moyen de la liaison de communication établie entre la console et l'éclairage à DEL de station principale et envoyant aux éclairages à DEL de stations asservies une instruction concernant le fonctionnement des éclairages à DEL de stations asservies au moyen de la liaison de communication établie entre la console et les éclairages à DEL de stations asservies. Le système d'éclairage à DEL présente les avantages suivants : un vaste rayon d'application, une performance stable et un entretien pratique.
PCT/CN2011/078768 2011-06-29 2011-08-23 Système d'éclairage à del WO2013000194A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110180029.9 2011-06-29
CN201110180029.9A CN102548118B (zh) 2011-06-29 2011-06-29 一种led照明系统

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WO2013000194A1 true WO2013000194A1 (fr) 2013-01-03

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CN112004281A (zh) * 2020-08-18 2020-11-27 深圳市秀骑士科技有限公司 一种便于远程控制的灯具系统
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