CN219181735U - LED street lamp driving controller based on power line broadband carrier communication - Google Patents
LED street lamp driving controller based on power line broadband carrier communication Download PDFInfo
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Abstract
The application relates to an LED street lamp driving controller based on power line broadband carrier communication, which comprises an LED driving power supply, wherein the input end of the LED driving power supply is used for being connected with external power supply, and the output end of the LED driving power supply is used for being connected with an LED lamp. The LED street lamp driving controller based on the power line broadband carrier communication further comprises a module power supply circuit, an electric energy metering module and an HPLC broadband carrier communication module. The module power supply circuit is connected with the output end of the LED driving power supply; the electric energy metering module is connected with the external power supply, the module power supply circuit and the LED driving power supply; the HPLC broadband carrier communication module is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply and is used for driving the LED driving power supply to adjust luminance of the LED lamp, and the problems of high cost and difficult wiring of the existing LED street lamp driving controller are solved.
Description
Technical Field
The application relates to the technical field of street lamp control, in particular to an LED street lamp driving controller based on power line broadband carrier communication.
Background
In the prior art, various technologies related to LED street lamp control, such as bulletin number
The utility model patent of CN205622956U discloses a direct current power supply LED street lamp system. The direct current power supply LED street lamp system comprises: an LED street lamp; the controller is connected with the LED street lamp and used for controlling the LED street lamp; and the direct current power supply is connected with the LED street lamp and the controller and is used for converting the alternating current power supply into the direct current power supply and providing the direct current power supply for the LED street lamp and the controller.
The patent document can solve the problem of higher cost of the LED street lamp system in the related art, but the patent document still has the disadvantages, and specifically describes that: the dimming signal is a signal for controlling the brightness of the LED street lamp corresponding to the first slave controller. The dimming interface is arranged in the first slave controller and is connected with the microcontroller and used for outputting a dimming signal, the LED street lamp is connected with the dimming interface to receive the dimming signal, and the dimming signal can control the brightness of the street lamp according to different electric parameter values. The problem of production cost improvement is caused by the need of connecting the dimming interfaces.
Another example is disclosed in the patent of CN212413475U, which includes a power module, a central processing unit module, a switch lamp output module, a dimming output module, an electrical parameter measurement module, a serial port module and a wireless module, where the central processing unit module is separately connected with the switch lamp output module, the dimming output module, the electrical parameter measurement module, the serial port module and the power module, and the serial port module and the power module are also connected by the wireless module.
The patent document also has certain advantages, such as providing a new chip connection mode/hardware configuration mode, so that technicians can perform more convenient development process under the hardware configuration. However, the wireless module is still disadvantageous, and in particular, it describes that the wireless module is responsible for converting a wireless signal into a wired signal to be connected with other modules, the circuit of the wireless module comprises a Zigbee network U3, a resistor R23 and a communication conversion interface P6, the Zigbee network U3 is provided with 1-10 interfaces, the interface 1 of the Zigbee network U3 is connected with one end of the resistor R23, the other end of the resistor R23 is connected with a VCC3 interface, the interface 2 of the Zigbee network U3 is a GND interface, and the interface 5 and the interface 6 of the Zigbee network U3 are connected with the communication conversion interface P6, because the Zigbee network is provided, additional wiring is required, and further the cost is increased and the wiring is troublesome.
In addition, the utility model patent with publication number CN112004289A discloses an application of a power carrier in an LED direct current power supply, which comprises a dimming system, wherein the dimming system comprises a signal generator, a coding plate and an LED direct current power supply, the output end of the signal generator is connected with the coding plate, the output end of the coding plate is connected with the LED direct current power supply, the LED direct current power supply comprises a power carrier decoding module and an AD-DC alternating current-direct current conversion circuit, and the power carrier decoding module further comprises a coupling transformer and a decoding circuit module.
The utility model omits a separate dimming control circuit, reduces the use of resources, can realize the real-time control of the LED lamp on the basis of the original power supply line without carrying out new wire arrangement work, but the described power carrier decoding module is responsible for extracting the modulating signal loaded on 220V and decoding the modulating signal, extracting the address data corresponding to the address of the power carrier decoding module, decoding the signal data on the power line through the shaping operation of an analog circuit and the like, and the problems of complex work and high operation difficulty caused by the decoding and the like are caused by implementing the scheme.
Therefore, the LED street lamp driving controller in the prior art has the technical problems of high cost and difficult wiring.
Disclosure of Invention
Accordingly, it is necessary to provide an LED street lamp driving controller based on power line broadband carrier communication, which can solve the problems of high cost and difficult wiring of the existing LED street lamp driving controller.
The technical scheme of the utility model is as follows:
the LED street lamp driving controller based on the power line broadband carrier communication comprises an LED driving power supply, wherein the input end of the LED driving power supply is used for being connected with external power supply, and the output end of the LED driving power supply is used for being connected with an LED lamp; the system also comprises a module power supply circuit, an electric energy metering module and an HPLC broadband carrier communication module; wherein,,
the module power supply circuit is connected with the output end of the LED driving power supply;
the electric energy metering module is connected with the external power supply, the module power supply circuit and the LED driving power supply;
the HPLC broadband carrier communication module is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply and is used for driving the LED driving power supply to adjust the light of the LED lamp.
Specifically, the HPLC broadband carrier communication module comprises an HPLC broadband carrier communication chip, wherein the HPLC broadband carrier communication chip is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply.
Specifically, the HPLC broadband carrier communication module further comprises a current and voltage detection chip, wherein the current and voltage detection chip is connected with the module power supply circuit and the LED driving power supply; the current flow
The nineteenth pin of the voltage detection chip is connected with the eighth pin of the HPLC broadband carrier communication chip; an eighteenth pin of the current and voltage detection chip is connected with a fifth pin of the HPLC broadband carrier communication chip; a seventeenth pin of the current-voltage detection chip is connected with a sixth pin of the HPLC broadband carrier communication chip; and a sixteenth pin of the current and voltage detection chip is connected with a seventh pin of the HPLC broadband carrier communication chip.
Specifically, the electric energy metering module comprises an electric energy metering chip, and the electric energy metering chip is connected with the external power supply and the module power supply circuit; the tenth pin of the electric energy metering chip is connected with the thirty pin of the HPLC broadband carrier communication chip; and an eleventh pin of the electric energy metering chip is connected with a twenty-eighth pin of the HPLC broadband carrier communication chip.
Specifically, the module power supply circuit comprises a power supply transformer, a power supply control chip, a first voltage stabilizing chip and a second voltage stabilizing chip, wherein a primary winding of the power supply transformer is connected with the output end of the LED driving power supply; the power supply control chip is connected with the power supply transformer; the input end of the first voltage stabilizing chip is connected with the secondary winding of the power supply transformer, and the output end of the first voltage stabilizing chip outputs a first power supply voltage through a first power supply end; the input end of the second voltage stabilizing chip is connected with the secondary winding of the power supply transformer, and the output end of the second voltage stabilizing chip outputs a second power supply voltage through a second power supply end; the first power supply end is connected with a sixteenth pin of the HPLC broadband carrier communication chip and supplies power to the HPLC broadband carrier communication chip; the second power supply end is connected with a fourteenth pin of the electric energy metering chip and supplies power to the electric energy metering chip.
Specifically, the LED driving power supply comprises a PFC power factor calibration circuit, and the PFC power factor calibration circuit is connected with the HPLC broadband carrier communication module.
Specifically, the LED driving power supply further comprises an electromagnetic filtering rectification circuit, one end of the electromagnetic filtering rectification circuit is connected with the external power supply, and the other end of the electromagnetic filtering rectification circuit is connected with the PFC power factor calibration circuit.
Specifically, the LED driving power supply further comprises a power switch circuit, and the power switch circuit is connected with the HPLC broadband carrier communication module.
Specifically, the HPLC broadband carrier communication module further includes a plurality of optical couplers, the HPLC broadband carrier communication chip is connected with each optical coupler, and each optical coupler is connected with the power switch circuit.
The utility model has the following technical effects:
the utility model sets a module power supply circuit, an electric energy metering module and an HPLC broadband carrier communication module, is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply through the HPLC broadband carrier communication module, and is used for dimming the LED lamp by driving the LED driving power supply, wherein a dimming signal PWM signal is output by the HPLC broadband carrier communication module (MCU microcontroller), is electrically and directly connected with a PWM input port of an LED special driving chip through an optocoupler isolation circuit, and the output signal and a receiving signal do not need external interface connection; the HPLC broadband carrier communication module is directly connected with the AC220V single-phase power line interface, the communication of the Internet of things is realized through a power line mode instead of a Zigbee wireless communication mode, and the communication is realized by using a street lamp to supply power to the single-phase power line without additional wiring; the standard signal generator is not required to be responsible for generating standard coding signals, and any two nodes in the network networking topology can carry out instant communication by taking the HPLC broadband carrier communication module as a node. The power line carrier protocol communication mode is realized and defined as a module, so that communication algorithms such as modulation and demodulation of digital signals, signal receiving and processing, power transmitting and amplifying, routing addressing unicast, multicasting and the like, data encryption safety, denoising and anti-interference error correction capability, data format instruction interface protocol and external MCU serial port data communication are realized; the problem that an existing LED street lamp driving controller is high in cost and difficult to wire is solved.
2. The circuit function control and the mode are improved, a special PWM driving chip for LEDs is adopted, a dimming control method is improved, the circuit function is optimized, the parameter monitoring is carried out, and the precision is improved;
3. compared with the narrow-band PLC communication, the broadband PLC communication realizes quick automatic networking, high-speed data interaction, in-group routing relay, low delay, low power consumption, high sensitivity, strong anti-interference capability and long communication distance;
4. the LED street lamp has the advantages of realizing the integration of important functions such as LED driving, communication, control, acquisition, monitoring, alarming and the like, saving wiring, being simple and convenient to install, perfect in function, high in safety and lower in cost, and solving the problems that the LED street lamp cannot be normally operated due to the failure of the LED power supply driver under the traditional discrete driver and controller combination scheme, and whether the power supply driver or the LED street lamp cannot be specifically detected.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an LED street lamp driving controller based on power line broadband carrier communication in one embodiment;
FIG. 2 is a circuit diagram of an HPLC broadband carrier communication module in one embodiment;
FIG. 3 is a circuit diagram of an electrical energy metering module in one embodiment;
FIG. 4 is a circuit diagram of a module power supply circuit in one embodiment;
FIG. 5 is a detailed block diagram of an LED street lamp driving controller based on power line broadband carrier communication in one embodiment;
fig. 6 is a topology diagram of a network networking using an HPLC broadband carrier communication module as a node in one embodiment.
Description of the embodiments
Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).
In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
In one embodiment, as shown in fig. 1-5, an LED street lamp driving controller based on power line broadband carrier communication is provided, which comprises an LED driving power supply, wherein an input end of the LED driving power supply is used for being connected with external power supply, and an output end of the LED driving power supply is used for being connected with an LED lamp. As shown in fig. 1, the external power supply is AC220V single-phase alternating current.
The LED street lamp driving controller based on the power line broadband carrier communication further comprises a module power supply circuit, an electric energy metering module and an HPLC broadband carrier communication module.
The module power supply circuit is connected with the output end of the LED driving power supply; the electric energy metering module is connected with the external power supply, the module power supply circuit and the LED driving power supply; the HPLC broadband carrier communication module is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply and is used for driving the LED driving power supply to adjust the light of the LED lamp.
The utility model sets a module power supply circuit, an electric energy metering module and an HPLC broadband carrier communication module, is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply through the HPLC broadband carrier communication module, and is used for dimming the LED lamp by driving the LED driving power supply, wherein a dimming signal PWM signal is output by the HPLC broadband carrier communication module (MCU microcontroller), is electrically and directly connected with a PWM input port of an LED special driving chip through an optocoupler isolation circuit, and the output signal and a receiving signal do not need external interface connection; the HPLC broadband carrier communication module is directly connected with the AC220V single-phase power line interface, the communication of the Internet of things is realized through a power line mode instead of a Zigbee wireless communication mode, and the communication is realized by using a street lamp to supply power to the single-phase power line without additional wiring; the standard signal generator is not required to be responsible for generating standard coding signals, and any two nodes in the network networking topology can carry out instant communication by taking the HPLC broadband carrier communication module as a node. The power line carrier protocol communication mode is realized and defined as a module, so that communication algorithms such as modulation and demodulation of digital signals, signal receiving and processing, power transmitting and amplifying, routing addressing unicast, multicasting and the like, data encryption safety, denoising and anti-interference error correction capability, data format instruction interface protocol and external MCU serial port data communication are realized; the problem that an existing LED street lamp driving controller is high in cost and difficult to wire is solved.
In one embodiment, as shown in fig. 1-5, the HPLC broadband carrier communication module includes an HPLC broadband carrier communication chip U9, where the HPLC broadband carrier communication chip U9 is connected to the module power supply circuit, the power metering module, and the LED driving power supply.
In this embodiment, the HPLC broadband carrier communication chip U9 is P2803. The HPLC broadband carrier communication module is a key for realizing the high-speed power line carrier communication technology. The core of the system adopts an HPLC low-power-consumption carrier chip, and a 32-bit MCU microcontroller is integrated inside to realize the modulation and demodulation of digital signals, the receiving processing and power transmitting and amplifying of signals, communication algorithms such as routing addressing unicast, multicasting and the like, data encryption safety, denoising anti-interference error correction capability, data format instruction interface protocol, data communication with an external MCU serial port and the like. Based on the chip, the data transmission on the existing power line is realized through the coupling circuit, and the transmission rate is high, the anti-interference capability is strong, and the networking is rapid; the system is also particularly provided with a PWM function which is specially optimized for illumination dimming, and supports 6-path PWM and 0.01% -100% duty ratio adjustment. The high-speed high-precision ADC supporting 6 channels can collect feedback current and voltage of a driving power supply, and parameters such as voltage, current and temperature of an electricity consumption loop, realize functions such as metering and alarming, and the like, sample and dynamically control the LED driving power supply circuit, realize adjustment and setting of the voltage and current driving parameters of the LED driving power supply, adapt to LED loads of different specifications, and improve the applicability of an LED street lamp electricity consumption network. The working mode controls switching selection, supports multiple mode settings such as timing strategy, real-time forced control and the like, and realizes intelligent management.
The HPLC broadband carrier communication module has an automatic networking function, and the basic network topology type is a tree network topology structure of 'one master and multiple slaves'. The broadband carrier communication module uses the MAC address as a hardware communication address to define the location of the network node, and in the same network, it is required to ensure that each node has a unique MAC address.
As shown in fig. 6, an HPLC broadband carrier communication module needs to exist in the network as a master node, at most 500 slave nodes can exist simultaneously, and any two nodes in the network networking topology can perform instant messaging, so that 500 nodes instant messaging is supported at most. Meanwhile, the HPLC broadband carrier communication module at the node has an automatic relay function, and 15-level relay is supported at maximum. The HPLC broadband carrier communication module of the network topology has a CSMA/CA channel contention mechanism, and supports a plurality of nodes in the network to communicate simultaneously without communication failure caused by channel collision.
The network topology comprises an HPLC broadband carrier communication module with two network roles: a master node carrier communication module and a slave node carrier communication module. The main node carrier communication module: the dominant networking flow and the communication flow play a role in periodically maintaining the network topology, and the abnormal master node can cause the whole network to be unstable. Therefore, the main node carrier communication module is positioned at the equipment control end or the information collection end, such as a street lamp centralized manager. Slave node carrier communication module: the slave nodes participate in networking, and the stability of the whole network cannot be affected by the abnormality of the single slave node, so that the slave node is positioned at a controlled equipment end or an information acquisition terminal, such as the LED street lamp driving controller described in the patent. The communication distance between the nodes is 0.6KM at the maximum, and the maximum distance extended after automatic relay through the maximum 15-level node is 9KM.
The 32-bit MCU microcontroller integrated by the HPLC broadband carrier communication module street lamp has rich expansion interfaces, such as being connected with an environment brightness detection sensor so as to sense the surrounding light condition of the street lamp, the street lamp brightness is automatically adjusted by MCU control, and the running power consumption is further reduced by combining a lighting adjustment strategy.
In one embodiment, as shown in fig. 1 to 5, the HPLC broadband carrier communication module further includes a current-voltage detection chip U10, where the current-voltage detection chip U10 is connected to the module power supply circuit and the LED driving power supply; the nineteenth pin of the current and voltage detection chip U10 is connected with the eighth pin of the HPLC broadband carrier communication chip U9;
an eighteenth pin of the current and voltage detection chip U10 is connected with a fifth pin of the HPLC broadband carrier communication chip U9; a seventeenth pin of the current and voltage detection chip U10 is connected with a sixth pin of the HPLC broadband carrier communication chip U9; the sixteenth pin of the current-voltage detection chip U10 is connected with the seventh pin of the HPLC broadband carrier communication chip U9.
In this embodiment, as shown in fig. 2 and 5, the tenth pin and the eleventh pin of the voltage detection chip U10 are respectively connected to the current output end and the voltage output end of the LED driving power supply, and are respectively used for detecting the current and the voltage output by the LED driving power supply, and are fed back to the HPLC broadband carrier communication chip U9 through the current and voltage detection chip U10.
Further, the electric quantity metering module integrates one-path voltage measurement and two-path current measurement, and the internal integrated MCU controller can calibrate and configure parameters such as output voltage, current, active power, reactive power, apparent power, active electric energy, reactive electric energy, frequency and the like through register parameter values. The UART communication interface of the module supports serial communication and is connected with an MCU microcontroller serial bus integrated with the carrier communication module.
In one embodiment, as shown in fig. 1-5, the power metering module comprises a power metering chip U5, and the power metering chip U5 is connected with the external power supply and the module power supply circuit; the tenth pin of the electric energy metering chip U5 is connected with the thirty pin of the HPLC broadband carrier communication chip U9; and an eleventh pin of the electric energy metering chip U5 is connected with a twenty-eighth pin of the HPLC broadband carrier communication chip U9.
As shown in fig. 3, the second pin and the third pin of the electric energy metering chip U5 are respectively connected with the external power supply. And a fifth pin and a sixth pin of the electric energy metering chip U5 are connected with the LED driving power supply.
In one embodiment, as shown in fig. 1-5, the module power supply circuit includes a power supply transformer T6, a power supply control chip U7, a first voltage stabilizing chip U6 and a second voltage stabilizing chip U8, where a primary winding of the power supply transformer T6 is connected with an output end of the LED driving power supply; the power supply control chip U7 is connected with the power supply transformer T6; the input end of the first voltage stabilizing chip U6 is connected with the secondary winding of the power supply transformer T6, and the output end of the first voltage stabilizing chip U6 outputs a first power supply voltage through a first power supply end MCU3V 3; the input end of the second voltage stabilizing chip U8 is connected with the secondary winding of the power supply transformer T6, and the output end of the second voltage stabilizing chip U8 outputs a second power supply voltage through a second power supply end VDD 5V; the first power supply end MCU3V3 is connected with a sixteenth pin of the HPLC broadband carrier communication chip U9 and supplies power to the HPLC broadband carrier communication chip U9; the second power supply end VDD5V is connected to the fourteenth pin of the electric energy metering chip U5, and supplies power to the electric energy metering chip U5.
In one embodiment, as shown in fig. 1-5, the LED driving power supply includes a PFC power factor calibration circuit, and the PFC power factor calibration circuit is connected to the HPLC broadband carrier communication module.
As shown in fig. 5, in this embodiment, the HPLC broadband carrier communication module controls the PFC power factor calibration circuit through a GPIO port and an optocoupler, where the optocoupler is selected and set by a person skilled in the art, and the application is not specifically limited.
In one embodiment, as shown in fig. 1-5, the LED driving power supply further includes an electromagnetic filtering rectification circuit, one end of the electromagnetic filtering rectification circuit is connected with the external power supply, and the other end of the electromagnetic filtering rectification circuit is connected with the PFC power factor calibration circuit.
In one embodiment, as shown in fig. 1-5, the LED driving power supply further includes a power switch circuit, and the power switch circuit is connected with the HPLC broadband carrier communication module. The power switch circuit is connected with the PFC power factor calibration circuit.
The LED driving power supply further comprises a rectifying and filtering circuit, the rectifying and filtering circuit is connected with the power switch circuit, and the output end of the rectifying and filtering circuit is used for being connected with an LED lamp.
In one embodiment, as shown in fig. 1 to 5, the HPLC broadband carrier communication module further includes a plurality of optical couplers, where the HPLC broadband carrier communication chip U9 is connected to each optical coupler, and each optical coupler is connected to the power switch circuit.
In this embodiment, as shown in fig. 2, the optocouplers are denoted by IS03, IS04, IS05, and IS07, respectively. The input ends of the optocouplers IS03, IS04, IS05 and IS07 are respectively connected with thirty-seven pins, thirty-five pins, thirty-four pins and thirty-two pins of the HPLC broadband carrier communication chip U9. The output ends of the optocouplers IS03, IS04, IS05 and IS07 are all connected with the power switch circuit.
Compared with the prior art, the intelligent street lamp control system has the advantages that the standardized module design scheme is adopted for secondary development, and on the premise of ensuring advanced technology and functional integration, the intelligent street lamp solution with single-lamp and double-lamp control functions of the LED street lamp is constructed. The functions of LED street lamp power supply driving, carrier communication control, electric energy parameter metering, PWM remote dimming and the like are performed, and higher integration and product innovation are performed technically. Each LED street lamp is made to be an intelligent terminal, so that the LED street lamp has the mode methods of intelligent control and electric energy parameter acquisition, the operation and maintenance cost of a street lamp system is reduced, and the service efficiency of the street lamp system is improved.
The data interaction, high speed, low delay, low cost and application centered on the Internet of things are realized by adopting the power line broadband carrier communication, so that the intelligent management and control of the street lamp is feasible, and the intelligent street lamp has more intelligent realization and application scenes in the aspects of reliability, economy and functionality of system operation than the traditional mode, and the cost performance of the product is higher.
This patent LED drive power supply, electric energy metering module, HPLC broadband carrier communication module (MCU microcontroller) have realized the design of integration integrated product, not only can gather the electric quantity on the power cord through the electric energy metering module and in order to gather the electric quantity of LED street lamp, and what obtain is the digital information of the electric quantity collection data storage register of LED street lamp, does not need to carry out analog signal processing through MCU microcontroller.
In addition, the LED driving power supply and the HPLC broadband carrier communication module (MCU microcontroller) are integrated together, the MCU samples key electrical parameters (current, voltage, input and output feedback signals and the like) of the LED driving power supply through the ADC, digital information of an electric quantity data storage register of the LED street lamp is further combined, and whether abnormal states occur in the whole driving control electrical parameters and the collected data of the LED street lamp is judged by MCU controller software, so that fault detection and protection control of the LED street lamp driving circuit are realized.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (9)
1. The LED street lamp driving controller based on the power line broadband carrier communication comprises an LED driving power supply, wherein the input end of the LED driving power supply is used for being connected with external power supply, and the output end of the LED driving power supply is used for being connected with an LED lamp; the device is characterized by further comprising a module power supply circuit, an electric energy metering module and an HPLC broadband carrier communication module; wherein,,
the module power supply circuit is connected with the output end of the LED driving power supply;
the electric energy metering module is connected with the external power supply, the module power supply circuit and the LED driving power supply;
the HPLC broadband carrier communication module is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply and is used for driving the LED driving power supply to adjust the light of the LED lamp.
2. The LED street lamp driving controller based on power line broadband carrier communication according to claim 1, wherein the HPLC broadband carrier communication module comprises an HPLC broadband carrier communication chip, and the HPLC broadband carrier communication chip is connected with the module power supply circuit, the electric energy metering module and the LED driving power supply.
3. The LED street lamp driving controller based on power line broadband carrier communication according to claim 2, wherein the HPLC broadband carrier communication module further comprises a current-voltage detection chip, the current-voltage detection chip being connected to both the module power supply circuit and the LED driving power supply; the nineteenth pin of the current-voltage detection chip is connected with the eighth pin of the HPLC broadband carrier communication chip; an eighteenth pin of the current and voltage detection chip is connected with a fifth pin of the HPLC broadband carrier communication chip; a seventeenth pin of the current-voltage detection chip is connected with a sixth pin of the HPLC broadband carrier communication chip; and a sixteenth pin of the current and voltage detection chip is connected with a seventh pin of the HPLC broadband carrier communication chip.
4. The LED street lamp driving controller based on power line broadband carrier communication according to claim 3, wherein the power metering module comprises a power metering chip, the power metering chip being connected to both the external power supply and the module power supply circuit; the tenth pin of the electric energy metering chip is connected with the thirty pin of the HPLC broadband carrier communication chip; and an eleventh pin of the electric energy metering chip is connected with a twenty-eighth pin of the HPLC broadband carrier communication chip.
5. The LED street lamp driving controller based on the power line broadband carrier communication according to claim 4, wherein the module power supply circuit comprises a power supply transformer, a power supply control chip, a first voltage stabilizing chip and a second voltage stabilizing chip, wherein a primary winding of the power supply transformer is connected with an output end of the LED driving power supply; the power supply control chip is connected with the power supply transformer; the input end of the first voltage stabilizing chip is connected with the secondary winding of the power supply transformer, and the output end of the first voltage stabilizing chip outputs a first power supply voltage through a first power supply end; the input end of the second voltage stabilizing chip is connected with the secondary winding of the power supply transformer, and the output end of the second voltage stabilizing chip outputs a second power supply voltage through a second power supply end; the first power supply end is connected with a sixteenth pin of the HPLC broadband carrier communication chip and supplies power to the HPLC broadband carrier communication chip; the second power supply end is connected with a fourteenth pin of the electric energy metering chip and supplies power to the electric energy metering chip.
6. The LED street lamp driver controller based on power line broadband carrier communication of claim 2, wherein the LED driver power supply comprises a PFC power factor calibration circuit connected to the HPLC broadband carrier communication module.
7. The LED street lamp driving controller based on power line broadband carrier communication according to claim 6, wherein the LED driving power supply further comprises an electromagnetic filtering rectifying circuit, one end of the electromagnetic filtering rectifying circuit is connected with the external power supply, and the other end of the electromagnetic filtering rectifying circuit is connected with the PFC power factor calibration circuit.
8. The LED street lamp driver controller based on power line broadband carrier communication of claim 6, wherein the LED driver power supply further comprises a power switch circuit, the power switch circuit being connected to the HPLC broadband carrier communication module.
9. The LED street lamp driving controller based on the power line broadband carrier communication according to claim 8, wherein the HPLC broadband carrier communication module further comprises a plurality of optical couplers, the HPLC broadband carrier communication chip is connected with each optical coupler, and each optical coupler is connected with the power switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320004565.1U CN219181735U (en) | 2023-01-03 | 2023-01-03 | LED street lamp driving controller based on power line broadband carrier communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320004565.1U CN219181735U (en) | 2023-01-03 | 2023-01-03 | LED street lamp driving controller based on power line broadband carrier communication |
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| Publication Number | Publication Date |
|---|---|
| CN219181735U true CN219181735U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320004565.1U Active CN219181735U (en) | 2023-01-03 | 2023-01-03 | LED street lamp driving controller based on power line broadband carrier communication |
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| Country | Link |
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| CN (1) | CN219181735U (en) |
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2023
- 2023-01-03 CN CN202320004565.1U patent/CN219181735U/en active Active
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