CN111757575A - LED control device based on broadband power line carrier bandwidth communication interface - Google Patents
LED control device based on broadband power line carrier bandwidth communication interface Download PDFInfo
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- 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
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- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention discloses an LED control device based on a broadband power carrier bandwidth communication interface, which comprises a master LED control device and at least one slave LED control device, wherein the master LED control device is connected with the slave LED control device through a communication interface; the master LED control device comprises an LED lamp driving controller and a first broadband power carrier communication device, the slave LED control device comprises an LED lamp driving controller and a second broadband power carrier communication device, and the master LED control device is in broadband power carrier communication with the slave LED control device through a power line. By adopting the invention, the control management of the LED lamp can be realized without additionally laying a communication line, and the LED lamp is also provided with a broadband Ethernet communication interface and a 485 communication interface, thereby saving the communication deployment cost.
Description
Technical Field
The invention relates to the field of LED lamp control, in particular to an LED control device based on a broadband power carrier bandwidth communication interface.
Background
The urban street lamp is an important component of infrastructure construction, influences people's daily life, has ensured the safety of going on a journey night. The street lamp is not limited to the traditional illumination significance any more, intelligent street lamp management is carried out on the street lamp, the existing street lamp is used, a communication line does not need to be additionally laid, and therefore the intelligent multifunctional street lamp pole is achieved, and economic and social benefits are created.
At present, the existing urban street lamps are promoted to carry out intelligent street lamp management on the street lamps, and a communication line needs to be additionally laid on the intelligent street lamp pole, so that communication of intelligent devices on intelligent street lamp management and the street lamp pole is realized, infrastructure needs to be rebuilt to arrange, huge capital construction and arrangement cost are increased, and influence of traffic and traveling is brought by the fact that the infrastructure is built.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an LED control device based on a broadband power carrier bandwidth communication interface, which can realize intelligent control and management of an LED lamp without additionally laying a communication line, and is also provided with a broadband Ethernet communication interface and a 485 communication interface, intelligent equipment can be additionally arranged on a street lamp pole, so that broadband networking communication and equipment communication management are realized.
In order to solve the technical problem, the invention provides an LED control device based on a broadband power carrier bandwidth communication interface, which comprises a master LED control device and at least one slave LED control device; the main LED control device comprises a first LED lamp driving controller, a first broadband power carrier communication device and a first power line interface, wherein the first broadband power carrier communication device comprises a first broadband power carrier module, a first signal transceiving module, a first high-low voltage isolation module, an Ethernet core CPU, a first Ethernet interface, a first 485 communication interface, a first DC power supply and a first DC voltage reduction module, the Ethernet core CPU, the first signal transceiving module, the Ethernet core CPU, the first 485 communication interface and the first LED lamp driving controller are all electrically connected with the first broadband power carrier module, the first signal transceiving module is electrically connected with the first high-low voltage isolation module, the first power line interface is respectively connected with the first LED lamp driving controller and the first high-low voltage isolation module, and the first DC power supply supplies power to each hardware of the first broadband power carrier communication device through the first DC voltage reduction circuit, the first LED lamp driving controller controls the working state of an LED according to the instruction signal of the first broadband power carrier module, the first Ethernet interface is electrically connected with an Ethernet core CPU and used for connecting broadband equipment and realizing broadband information communication transmission, and the first 485 communication interface is electrically connected with the first broadband power carrier module and used for connecting 485 communication equipment and realizing communication and management of the 485 equipment; the slave LED control device comprises a second LED lamp driving controller, a second broadband power carrier communication device and a second power line interface, the second broadband power carrier communication device comprises a second broadband power carrier module, a second signal transceiving module, a second high-low voltage isolation module, a second Ethernet interface, a second 485 communication interface, a second AC-to-DC module and a second DC voltage reduction module, the second signal transceiving module, the second Ethernet interface, the second 485 communication interface and the second LED lamp driving controller are all electrically connected with the second broadband power carrier module, the second signal transceiving module is electrically connected with the second high-low voltage isolation module, the second power line interface is respectively connected with the second LED lamp driving controller, the second AC-to-DC module and the second high-low voltage isolation module, and the second AC-to-DC module and the second DC voltage reduction module supply power to each hardware of the second broadband power carrier communication device, the second LED lamp driving controller controls the working state of the LED according to the instruction signal of the second broadband power carrier module, the second Ethernet interface is used for connecting broadband equipment to realize broadband information communication transmission, and the second 485 communication interface is used for connecting 485 communication equipment to realize communication and management of the 485 equipment; and the master LED control device carries out broadband power carrier communication with the slave LED control device through a power line.
Preferably, the first LED lamp driving controller and the second LED lamp driving controller each include a first filter circuit, a first rectifier circuit, a transformer, a switching tube, a second rectifier circuit, a second filter circuit, a control circuit, a current-voltage feedback circuit, an optocoupler chip, and a sampling circuit; the input end of the first filter circuit is electrically connected with the first power line interface or the second power line interface, and the output end of the first filter circuit is electrically connected with the control circuit through the first rectifying circuit; the transformer comprises a primary coil and a secondary coil, one end of the primary coil is electrically connected with the output end of the first rectifying circuit, the other end of the primary coil is grounded through a switching tube and a sampling circuit in sequence, and the secondary coil is electrically connected with the LED through a second rectifying circuit and a second filter circuit in sequence; the base electrode of the switching tube is electrically connected with the control circuit; the control circuit is electrically connected with the LED through the optocoupler chip and the current-voltage feedback circuit in sequence; the control circuit is electrically connected with the first broadband power carrier module or the second broadband power carrier module.
Preferably, the communication distance between the master LED control device and the slave LED control device through a power line to carry out broadband power carrier is 0-500 m.
Preferably, the broadband power carrier band broadband communication interface-based LED control device further comprises a relay amplification LED control device, and the relay amplification LED control device is configured to amplify a broadband power carrier signal in a power line; the relay amplification LED control device comprises a third LED lamp driving controller, a third broadband power carrier communication device and a third power line interface, the third broadband power carrier communication device comprises a third broadband power carrier module, a third signal transceiving module, a third high-low voltage isolation module, a third Ethernet interface, a third 485 communication interface, a third AC-to-DC module and a third DC voltage reduction module, the third signal transceiving module, the third Ethernet interface, the third 485 communication interface and the third LED lamp driving controller are all electrically connected with the third broadband power carrier module, the third signal transceiving module is electrically connected with the third high-low voltage isolation module, the third power line interface is respectively connected with the third LED lamp driving controller, the third AC-to-DC module and the third high-low voltage isolation module, and the third AC-to-DC module and the third DC voltage reduction module supply power to hardware of the third broadband power carrier communication device The third LED lamp driving controller controls the working state of the LED according to the instruction signal of the third broadband power carrier module, the third Ethernet interface is used for being connected with broadband equipment to achieve broadband information communication transmission, and the third 485 communication interface is used for being connected with 485 communication equipment to achieve communication and management of the 485 equipment.
Preferably, the third LED lamp driving controller includes a first filter circuit, a first rectifier circuit, a transformer, a switching tube, a second rectifier circuit, a second filter circuit, a control circuit, a current-voltage feedback circuit, an optocoupler chip, and a sampling circuit; the input end of the first filter circuit is electrically connected with the third power line interface or the second power line interface, and the output end of the first filter circuit is electrically connected with the control circuit through the first rectifying circuit; the transformer comprises a primary coil and a secondary coil, one end of the primary coil is electrically connected with the output end of the first rectifying circuit, the other end of the primary coil is grounded through a switching tube and a sampling circuit in sequence, and the secondary coil is electrically connected with the LED through a second rectifying circuit and a second filter circuit in sequence; the base electrode of the switching tube is electrically connected with the control circuit; the control circuit is electrically connected with the LED through the optocoupler chip and the current-voltage feedback circuit in sequence; the control circuit is electrically connected with the third broadband power carrier module.
Preferably, the first LED lamp driving controller, the second LED lamp driving controller, or the third LED lamp driving controller sets an independent IP address.
Preferably, when the master LED control device and the slave LED control device perform broadband power carrier communication and a bandwidth signal value received by the slave LED control device is smaller than a preset value, the relay amplification LED control device is added between the master LED control device and the slave LED control device.
Preferably, when the slave LED control device performs broadband power carrier communication with the relay amplification LED control device through a power line, and a bandwidth signal value received by the slave LED control device is smaller than a preset value, the relay amplification LED control device is further added between the slave LED control device and the relay amplification device.
Preferably, when broadband power carrier communication is performed between the slave LED control devices through a power line, and a bandwidth signal value received by the slave LED control devices is smaller than a preset value, the relay amplification LED control devices are added between the slave LED control devices.
Preferably, the main LED control device may perform broadband power carrier communication with at least one of the LED control device or the relay amplification LED control device through a power line.
The beneficial effects of the implementation of the invention are as follows:
according to the LED control device based on the broadband power carrier bandwidth communication interface, a smart lamp post background control center transmits a street lamp control instruction to a smart lamp post where a main LED control device is located in a wireless or wired communication mode, and the main LED control device transmits the street lamp control instruction to the smart lamp post provided with a slave LED control device in a broadband power carrier communication mode, so that the driving control of LED lamps on the smart lamp post in one area is realized.
Drawings
FIG. 1 is a schematic diagram of an LED control device based on a broadband power carrier band broadband communication interface provided by the invention;
FIG. 2 is a schematic diagram of a master LED control device provided by the present invention;
FIG. 3 is a schematic diagram of a slave LED control device provided by the present invention;
FIG. 4 is a schematic diagram of a relay amplification LED control device provided by the present invention;
fig. 5 is a schematic diagram of a first LED lamp driving controller provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
As shown in fig. 1 to 3, the present invention provides an LED control device based on a broadband power carrier bandwidth communication interface, which includes a master LED control device and at least one slave LED control device.
The master LED control device comprises a first LED lamp driving controller 1, a first broadband power carrier communication device 2 and a first power line interface 3, wherein the first broadband power carrier communication device 2 comprises a first broadband power carrier module 201, a first signal transceiver module 202, a first high-low voltage isolation module 203, an Ethernet core CPU204, a first Ethernet interface 205, a first 485 communication interface 206, a first DC power supply 207 and a first DC voltage reduction module 208, the Ethernet core CPU204, the first signal transceiver module 202, the first 485 communication interface 206 and the first LED lamp driving controller 1 are all electrically connected with the first broadband power carrier module 201, so that a carrier signal received and transmitted by the first signal transceiver module 202 is output through the first broadband power carrier module 201 to be communicated with the first LED lamp driving controller 1 to control an LED, and the output Ethernet core CPU204 and the first 485 communication interface 206 are communicated with a connecting device to carry out information transmission, the first signal transceiver module 202 is electrically connected to the first high-low voltage isolation module 203, the first high-low voltage isolation module 203 isolates a received carrier signal from a power line to the first signal transceiver module 202, and also carries a signal emitted by the first signal transceiver module 202 on the power line, the first power line interface 3 is respectively connected to the first LED lamp driving controller 1 and the first high-low voltage isolation module 203, the first power line interface 3 provides power for the first LED lamp driving controller 1, meanwhile, the first high-low voltage isolation module 203 extracts and loads the carrier signal from the first power line interface 3 to the first power line interface 3, the first DC power source 207 supplies power to each hardware of the first broadband power carrier communication device 2 through the first DC voltage reduction circuit 208, and the first LED lamp driving controller 1 controls the operating state of the LEDs according to the instruction signal of the first broadband power carrier module 201, the first ethernet interface 205 is used for connecting broadband equipment to realize broadband information communication transmission, and the first 485 communication interface 206 is used for connecting 485 communication equipment to realize communication and management of 485 equipment.
The slave LED control device comprises a second LED lamp driving controller 4, a second broadband power carrier communication device 5 and a second power line interface 6, the second broadband power carrier communication device 5 comprises a second broadband power carrier module 501, a second signal transceiver module 502, a second high-low voltage isolation module 503, a second Ethernet interface 504, a second 485 communication interface 505, a second AC-to-DC module 506 and a second DC voltage reduction module 507, the second signal transceiver module 502, the second 485 communication interface 505 and the second LED lamp driving controller 4 are all electrically connected with the second broadband power carrier module 501, so that the carrier signals received and transmitted by the second signal transceiver module 502 are output through the second broadband power carrier module 501 to be communicated with the second LED lamp driving controller 4 to control the LEDs, and the second Ethernet interface 504 and the second 485 communication interface 505 are output to be communicated with a connecting device for information transmission, the second signal transceiver module 502 is electrically connected to the second high-low voltage isolation module 503, the second high-low voltage isolation module 503 isolates the received carrier signal from the power line to the second signal transceiver module 502, and also carries the signal sent by the second signal transceiver module 502 on the power line, the second power line interface 6 is respectively connected to the second LED lamp driving controller 4, the second AC-to-DC module 506, and the second high-low voltage isolation module 503, the second power line interface 6 provides power supply for the second LED lamp driving controller 4, and simultaneously the second high-low voltage isolation module 503 extracts and loads the carrier signal from the second power line interface 6 to the second power line interface 6, the second AC-to-DC module 506 provides power for the pre-stage of the second DC voltage reduction module 507, and the second AC-to-DC module 506 and the second DC voltage reduction module 507 provide power for each hardware of the second broadband power carrier communication device 5, the second LED lamp driving controller 4 controls the operating state of the LEDs according to the instruction signal of the second broadband power carrier module 501, the second ethernet interface 504 is used for connecting broadband equipment to realize broadband information communication transmission, and the second 485 communication interface is used for 505 connecting 485 communication equipment to realize communication and management of the 485 equipment.
And the master LED control device carries out broadband power carrier communication with the slave LED control device through a power line.
The main LED control device and the slave LED control device are applied to intelligent lamp posts, the main LED control device or the slave LED control device is arranged on each intelligent lamp post, the intelligent lamp post background control center transmits street lamp control instructions to the intelligent lamp post where the main LED control device is located in a wireless or wired communication mode, and the main LED control device transmits the street lamp control instructions to the intelligent lamp post where the slave LED control device is arranged in a wide-band power carrier communication mode, so that the driving control of the LED lamps on the intelligent lamp posts in one area is realized. And the street lamp also has a broadband Ethernet communication interface and a 485 communication interface, intelligent equipment can be additionally arranged on the street lamp pole, and broadband networking communication and equipment communication management are realized.
Specifically, the main LED control device receives a street lamp control instruction signal sent by the smart lamp post background control center through a first ethernet interface and an ethernet core CPU, the ethernet core CPU transmits the street lamp control instruction signal to the first broadband power carrier module, the first broadband power carrier module encodes the street lamp control instruction signal and a broadband communication device or 485 communication device signal to generate a broadband power carrier modulation signal, and sends the broadband power carrier modulation signal to the power line through the first signal transceiver module, the first high-low voltage isolation module, and the first power line interface; the main LED control device is in broadband power carrier communication with the auxiliary LED control device through a power line, a broadband power carrier modulation signal is transmitted to the auxiliary LED control device and the broadband communication equipment or 485 communication equipment through the power line and sequentially passes through the second high-low voltage isolation module, the second signal transceiving module and the second broadband power carrier module, the second broadband power carrier module decodes the broadband power carrier modulation signal to obtain a street lamp control instruction signal and a broadband communication equipment or 485 communication equipment signal, and then transmits the street lamp control instruction signal and the broadband communication equipment or 485 communication equipment signal to the second LED lamp drive controller and the broadband communication equipment or 485 communication equipment, so that the LED lamp and the broadband communication equipment or 485 communication equipment are driven and controlled. On the contrary, the LED state parameters (working voltage, current and other parameters) on each intelligent lamp pole are sent to the second broadband power carrier module for signal modulation to form a modulation signal, and the modulation signal is sent to the power line through the second signal transceiver module, the second high-low voltage isolation module and the second power line interface in sequence, the slave LED control device carries out broadband power carrier communication with the master LED control device through a power line, modulation signals are transmitted to the master LED control device through the power line and are transmitted to the first broadband power carrier module through the first high-low voltage isolation module and the first signal transceiver module in sequence, the first broadband power carrier module decodes the modulation signal to obtain the LED state parameters, and the main LED control device uploads the LED state parameters to the smart lamp post background control center in a wireless or wired communication mode through the Ethernet interface and the Ethernet core CPU. Therefore, the drive control of the LED lamp on the intelligent lamp pole in one area can be realized, the existing power line is utilized to transmit LED control instructions and parameter signals, the communication and the management of broadband communication equipment or 485 communication equipment can be realized, extra communication lines can be avoided from being laid, and the communication cost is greatly reduced.
Preferably, the communication distance between the master LED control device and the slave LED control device through the power line to carry out broadband power carrier is 0-500 meters, and due to the fact that other signal interference exists on the power line, when the transmission distance is long, broadband power carrier signals transmitted on the power line are greatly attenuated, and the communication effect is poor, so that the communication distance between the master LED control device and the slave LED control device through the power line to carry out broadband power carrier is limited within 500 meters, high-quality transmission of signals is guaranteed, and control accuracy of LEDs is improved.
As shown in fig. 4, the LED control device based on broadband power carrier band broadband communication interface further includes a relay amplification LED control device, where the relay amplification LED control device is configured to amplify a broadband power carrier signal in a power line; the relay amplification LED control device is generally arranged between a master LED control device and a slave LED control device.
The relay amplification LED control device comprises a third LED lamp driving controller 7, a third broadband power carrier communication device 8 and a third power line interface 9, wherein the third broadband power carrier communication device 8 comprises a third broadband power carrier module 801, a third signal transceiver module 802, a third high-low voltage isolation module 803, a third Ethernet interface 804, a third 485 communication interface 805, a third AC-to-DC module 806 and a third DC voltage reduction module 807, the third signal transceiver module 802, the third 485 communication interface 805 and the third LED lamp driving controller 7 are all electrically connected with the third broadband power carrier module 801, so that carrier signals received and transmitted by the third signal transceiver module 802 are output through the third broadband power carrier module 801 to be communicated with the third LED lamp driving controller 7 to control LEDs, and the third Ethernet interface 804 and the third 485 communication interface 805 are output to be communicated with a connecting device for information transmission, the third signal transceiver module 802 is electrically connected to the third high-low voltage isolation module 803, the third high-low voltage isolation module 803 isolates the received carrier signal from the power line to the third signal transceiver module 802, and also carries the signal sent by the third signal transceiver module 802 on the power line, the third power line interface 9 is respectively connected to the third LED lamp driving controller 7, the third AC-to-DC module 806 and the third high-low voltage isolation module 803, the third power line interface 9 provides power supply for the third LED lamp driving controller 7, meanwhile, the third high-low voltage isolation module 803 extracts and loads the carrier signal from the second power line interface 9 to the third power line interface 9, the third AC-to-DC module 806 supplies power to the front stage of the third DC voltage reduction module 807, and the third AC-to-DC module 806 and the third DC voltage reduction module 807 supply power to the hardware of the third broadband power carrier communication device 8, the third LED lamp driving controller 7 controls the operating state of the LEDs according to the instruction signal of the third broadband power carrier module 801, the third ethernet interface 804 is used for connecting broadband equipment to implement broadband information communication transmission, and the third 485 communication interface 805 is used for connecting 485 communication equipment to implement communication and management of the 485 equipment.
Specifically, the main LED control device receives a street lamp control instruction signal sent by the smart lamp post background control center through a first ethernet interface and an ethernet core CPU, the ethernet core CPU transmits the street lamp control instruction signal to the first broadband power carrier module, the first broadband power carrier module encodes the street lamp control instruction signal and the broadband communication device or 485 communication device to generate a broadband power carrier modulation signal, and sends the broadband power carrier modulation signal to the power line through the first signal transceiver module, the first high-low voltage isolation module and the first power line interface; the main LED control device is in broadband power carrier communication with the relay amplification LED control device through a power line, a broadband power carrier modulation signal is transmitted to the relay amplification LED control device through the power line and sequentially passes through the third high-low voltage isolation module, the third signal transceiving module and the third broadband power carrier module, the third broadband power carrier module decodes the broadband power carrier modulation signal to obtain a street lamp control instruction signal and a broadband communication device or 485 communication device signal, and then transmits the street lamp control instruction signal and the broadband communication device or 485 communication device signal to the third LED lamp drive controller and the broadband communication device or 485 communication device, so that the LED lamp and the communication management broadband communication device or 485 communication device are driven and controlled; meanwhile, the third broadband power carrier module amplifies the broadband power carrier modulation signal, and then the signal is transmitted to the power line through the third signal transceiving module, the third high-low voltage isolation module and the third power line interface, and finally, the relay amplification LED control device carries out broadband power carrier communication with the slave LED control device through a power line, the amplified broadband power carrier modulation signal is transmitted to the slave LED control device through the power line and sequentially passes through the second high-low voltage isolation module, the second signal transceiver module and the second broadband power carrier module, the second broadband power carrier module decodes the broadband power carrier modulation signal to obtain a street lamp control instruction signal and a signal of the broadband communication equipment or 485 communication equipment, and then transmits the signal to the LED lamp driving controller, so that the LED lamp and the broadband communication equipment or 485 communication equipment are driven and controlled. On the contrary, the LED state parameters and the state information of the broadband communication equipment or the 485 communication equipment are uploaded to the background control center of the intelligent lamp pole through the communication link. According to the invention, by adding the relay amplification LED control device, the communication distance can be prolonged, and more and wider area LED control management can be realized.
As shown in fig. 5, each of the first, second, and third LED lamp driving controllers includes a first filter circuit, a first rectifier circuit, a transformer, a switching tube, a second rectifier circuit, a second filter circuit, a control circuit, a current-voltage feedback circuit, an optocoupler chip, and a sampling circuit; the input end of the first filter circuit is electrically connected with the first power line interface or the second power line interface, and the output end of the first filter circuit is electrically connected with the control circuit through the first rectifying circuit; the transformer comprises a primary coil and a secondary coil, one end of the primary coil is electrically connected with the output end of the first rectifying circuit, the other end of the primary coil is grounded through a switching tube and a sampling circuit in sequence, and the secondary coil is electrically connected with the LED through a second rectifying circuit and a second filter circuit in sequence; the control circuit is electrically connected with the first, second or third broadband power carrier modules. Specifically, in the invention, an external alternating current power supply is transmitted to a first filter circuit through a power transmission line to perform filtering processing, then the external alternating current power supply is rectified through a first rectifying circuit, then the external alternating current power supply is switched through a transformer, and finally the external alternating current power supply is filtered through a second rectifying circuit and a second filter circuit in sequence to drive an LED to work, wherein a control circuit, a current-voltage feedback circuit and an optical coupling chip are used for constant current or constant voltage, so that the LED can be driven normally and stably, the sampling circuit is used for protecting the control circuit, and the control circuit performs constant current driving and dimming on the LED by receiving control instruction signals of a first broadband power carrier module, a second broadband power carrier module or a.
Preferably, the first LED lamp driving controller, the second LED lamp driving controller, and the third LED lamp driving controller all set independent IP addresses. According to the invention, one LED lamp controller drives one or a group of LED lamps, and the LEDs are independently controlled through broadband power carriers of a power line, so that accurate control is realized. In addition, the LED can be controlled and managed in a networking mode.
Further, when the master LED control device and the slave LED control device perform broadband power carrier communication and a bandwidth signal value received by the slave LED control device is smaller than a preset value, the relay amplification LED control device is added between the master LED control device and the slave LED control device, and the relay amplification LED control device is configured to amplify a broadband signal value of a broadband power carrier.
Preferably, when broadband power carrier communication is carried out between the slave LED control devices through a power line, and a bandwidth signal value received by the slave LED control devices is smaller than a preset value, the relay amplification LED control devices are added between the slave LED control devices. The relay amplification LED control device is used for amplifying a broadband signal value of a broadband power carrier.
Preferably, when the slave LED control device performs broadband power carrier communication with the relay amplification LED control device through a power line, and a bandwidth signal value received by the slave LED control device is smaller than a preset value, the relay amplification LED control device is further added between the slave LED control device and the relay amplification LED control device. When the first-stage amplification is not enough to meet the signal communication, a relay amplification LED control device can be added for second-stage amplification, and the like, and multi-stage amplification can be carried out until the bandwidth signal value received from the LED control device is larger than a preset value.
Further, the main LED control device may perform broadband power carrier communication with at least one of the LED control device or the relay amplification LED control device through a power line.
More preferably, the first broadband power carrier module and the third broadband power carrier module are maxlinerdss 9503 or 88LX5152a0, and the second broadband power carrier module is Maxlinear DSS9501 or 88LX5152a 0. The DSS9503 or 88LX5152a0 and DSS9501 or 88LX5152a0 chips support 200 mbits/sec or 1 Gbits/sec physical communication over the power line, are divided into 1536 OFDM (orthogonal frequency division multiplexing) carriers, and propagate over a configurable frequency range of 2MHz to 32 MHz. The DSS9501 or 88LX5152A0 chip only has the capability of decoding and encoding the broadband power carrier, and the DSS9503 or 88LX5152A0 chip can also relay and amplify the broadband power carrier in addition to the capability of decoding and encoding the broadband power carrier.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. An LED control device based on a broadband power carrier bandwidth communication interface is characterized by comprising a master LED control device and at least one slave LED control device;
the main LED control device comprises a first LED lamp driving controller, a first broadband power carrier communication device and a first power line interface, wherein the first broadband power carrier communication device comprises a first broadband power carrier module, a first signal transceiving module, a first high-low voltage isolation module, an Ethernet core CPU, a first Ethernet interface, a first 485 communication interface, a first DC power supply and a first DC voltage reduction module, the Ethernet core CPU, the first 485 communication interface, the first signal transceiving module and the first LED lamp driving controller are all electrically connected with the first broadband power carrier module, the first signal transceiving module is electrically connected with the first high-low voltage isolation module, the first power line interface is respectively connected with the first LED lamp driving controller and the first high-low voltage isolation module, and the first DC power supply supplies power to each hardware of the first broadband power carrier communication device through the first DC voltage reduction circuit, the first LED lamp driving controller controls the working state of an LED according to the instruction signal of the first broadband power carrier module, the first Ethernet interface is electrically connected with an Ethernet core CPU and used for connecting broadband equipment and realizing broadband information communication transmission, and the first 485 communication interface is electrically connected with the first broadband power carrier module and used for connecting 485 communication equipment and realizing communication and management of the 485 equipment;
the slave LED control device comprises a second LED lamp driving controller, a second broadband power carrier communication device and a second power line interface, the second broadband power carrier communication device comprises a second broadband power carrier module, a second signal transceiving module, a second high-low voltage isolation module, a second Ethernet interface, a second 485 communication interface, a second AC-to-DC module and a second DC voltage reduction module, the second signal transceiving module, the second Ethernet interface, the second 485 communication interface and the second LED lamp driving controller are all electrically connected with the second broadband power carrier module, the second signal transceiving module is electrically connected with the second high-low voltage isolation module, the second power line interface is respectively connected with the second LED lamp driving controller, the second AC-to-DC module and the second high-low voltage isolation module, and the second AC-to-DC module and the second DC voltage reduction module supply power to each hardware of the second broadband power carrier communication device, the second LED lamp driving controller controls the working state of the LED according to the instruction signal of the second broadband power carrier module, the second Ethernet interface is used for connecting broadband equipment to realize broadband information communication transmission, and the second 485 communication interface is used for connecting 485 communication equipment to realize communication and management of the 485 equipment;
and the master LED control device carries out broadband power carrier communication with the slave LED control device through a power line.
2. The broadband power carrier band broadband communication interface-based LED control device according to claim 1, wherein the first LED lamp driving controller and the second LED lamp driving controller each comprise a first filter circuit, a first rectifier circuit, a transformer, a switching tube, a second rectifier circuit, a second filter circuit, a control circuit, a current-voltage feedback circuit, an optical coupler chip, and a sampling circuit;
the input end of the first filter circuit is electrically connected with the first power line interface or the second power line interface, and the output end of the first filter circuit is electrically connected with the control circuit through the first rectifying circuit;
the transformer comprises a primary coil and a secondary coil, one end of the primary coil is electrically connected with the output end of the first rectifying circuit, the other end of the primary coil is grounded through a switching tube and a sampling circuit in sequence, and the secondary coil is electrically connected with the LED through a second rectifying circuit and a second filter circuit in sequence;
the base electrode of the switching tube is electrically connected with the control circuit;
the control circuit is electrically connected with the LED through the optocoupler chip and the current-voltage feedback circuit in sequence;
the control circuit is electrically connected with the first broadband power carrier module or the second broadband power carrier module.
3. The LED control device based on the broadband power carrier band broadband communication interface of claim 1, wherein the communication distance between the master LED control device and the slave LED control device for carrying out broadband power carrier through a power line is 0-500 m.
4. The broadband power carrier band broadband communication interface-based LED control device of claim 3, further comprising a relay amplification LED control device for amplifying a broadband power carrier signal in a power line;
the relay amplification LED control device comprises a third LED lamp driving controller, a third broadband power carrier communication device and a third power line interface, the third broadband power carrier communication device comprises a third broadband power carrier module, a third signal transceiving module, a third high-low voltage isolation module, a third Ethernet interface, a third 485 communication interface, a third AC-to-DC module and a third DC voltage reduction module, the third signal transceiving module, the third Ethernet interface, the third 485 communication interface and the third LED lamp driving controller are all electrically connected with the third broadband power carrier module, the third signal transceiving module is electrically connected with the third high-low voltage isolation module, the third power line interface is respectively connected with the third LED lamp driving controller, the third AC-to-DC module and the third high-low voltage isolation module, and the third AC-to-DC module and the third DC voltage reduction module supply power to hardware of the third broadband power carrier communication device The third LED lamp driving controller controls the working state of the LED according to the instruction signal of the third broadband power carrier module, the third Ethernet interface is used for being connected with broadband equipment to achieve broadband information communication transmission, and the third 485 communication interface is used for being connected with 485 communication equipment to achieve communication and management of the 485 equipment.
5. The broadband power carrier band broadband communication interface-based LED control device of claim 4, wherein the third LED lamp drive controller comprises a first filter circuit, a first rectifier circuit, a transformer, a switch tube, a second rectifier circuit, a second filter circuit, a control circuit, a current-voltage feedback circuit, an optocoupler chip, and a sampling circuit;
the input end of the first filter circuit is electrically connected with the third power line interface, and the output end of the first filter circuit is electrically connected with the control circuit through the first rectifying circuit;
the transformer comprises a primary coil and a secondary coil, one end of the primary coil is electrically connected with the output end of the first rectifying circuit, the other end of the primary coil is grounded through a switching tube and a sampling circuit in sequence, and the secondary coil is electrically connected with the LED through a second rectifying circuit and a second filter circuit in sequence;
the base electrode of the switching tube is electrically connected with the control circuit;
the control circuit is electrically connected with the LED through the optocoupler chip and the current-voltage feedback circuit in sequence;
the control circuit is electrically connected with the third broadband power carrier module.
6. The broadband power carrier band broadband communication interface-based LED control device of claim 2 or 5, wherein the first LED lamp driver controller, the second LED lamp driver controller, or the third LED lamp driver controller each sets an independent IP address.
7. The broadband power carrier band broadband communication interface-based LED control device of claim 4, wherein the relay amplification LED control device is added between the master LED control device and a slave LED control device when the master LED control device is in broadband power carrier communication with the slave LED control device and a bandwidth signal value received by the slave LED control device is less than a preset value.
8. The broadband power carrier based LED control apparatus according to claim 7, wherein the relay amplification LED control apparatus is added between the slave LED control apparatuses when broadband power carrier communication is performed between the slave LED control apparatuses through a power line and a value of a bandwidth signal received by the slave LED control apparatuses is smaller than a preset value.
9. The broadband power carrier band broadband communication interface-based LED control device of claim 8, wherein when the slave LED control device is in broadband power carrier signal communication with the relay amplification LED control device through a power line, and a value of a bandwidth signal received by the slave LED control device is less than a preset value, a relay amplification LED control device is further added between the slave LED control device and the relay amplification device.
10. The broadband power carrier band broadband communication interface-based LED control device of claim 9, wherein the master LED control device is capable of broadband power carrier communication with at least one of the LED control device or relay amplifier LED control device over a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010448315.8A CN111757575A (en) | 2020-05-25 | 2020-05-25 | LED control device based on broadband power line carrier bandwidth communication interface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010448315.8A CN111757575A (en) | 2020-05-25 | 2020-05-25 | LED control device based on broadband power line carrier bandwidth communication interface |
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| CN111757575A true CN111757575A (en) | 2020-10-09 |
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| CN202010448315.8A Pending CN111757575A (en) | 2020-05-25 | 2020-05-25 | LED control device based on broadband power line carrier bandwidth communication interface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113853050A (en) * | 2021-09-13 | 2021-12-28 | 天地融科技股份有限公司 | Control system of single-phase street lamp |
| CN114094581A (en) * | 2022-01-19 | 2022-02-25 | 深圳市暗能量电源有限公司 | Power supply system based on power line carrier communication and communication method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607223A (en) * | 2013-11-29 | 2014-02-26 | 国家电网公司 | Embedded type broadband power line carrier communication system based on OFDM modulation |
| CN104898443A (en) * | 2015-05-18 | 2015-09-09 | 袁涌耀 | Gateway and intelligent household electrical appliance terminal based on power line carrier and implementation method thereof |
| CN109256967A (en) * | 2018-10-26 | 2019-01-22 | 佛山市华全电气照明有限公司 | The constant voltage power supply circuit that power stability exports when a kind of starting |
-
2020
- 2020-05-25 CN CN202010448315.8A patent/CN111757575A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607223A (en) * | 2013-11-29 | 2014-02-26 | 国家电网公司 | Embedded type broadband power line carrier communication system based on OFDM modulation |
| CN104898443A (en) * | 2015-05-18 | 2015-09-09 | 袁涌耀 | Gateway and intelligent household electrical appliance terminal based on power line carrier and implementation method thereof |
| CN109256967A (en) * | 2018-10-26 | 2019-01-22 | 佛山市华全电气照明有限公司 | The constant voltage power supply circuit that power stability exports when a kind of starting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113853050A (en) * | 2021-09-13 | 2021-12-28 | 天地融科技股份有限公司 | Control system of single-phase street lamp |
| CN114094581A (en) * | 2022-01-19 | 2022-02-25 | 深圳市暗能量电源有限公司 | Power supply system based on power line carrier communication and communication method thereof |
| CN114094581B (en) * | 2022-01-19 | 2022-04-08 | 深圳市暗能量电源有限公司 | Power supply system based on power line carrier communication and communication method thereof |
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Application publication date: 20201009 |