CN210431956U - Intelligent community LED illumination control system based on Zigbee - Google Patents
Intelligent community LED illumination control system based on Zigbee Download PDFInfo
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- CN210431956U CN210431956U CN201920832361.0U CN201920832361U CN210431956U CN 210431956 U CN210431956 U CN 210431956U CN 201920832361 U CN201920832361 U CN 201920832361U CN 210431956 U CN210431956 U CN 210431956U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to a based on Zigbee intelligent community LED lighting control system. The intelligent LED lamp control system comprises a control unit, LED lamps, a voltage and current detection sensor, an environment detector, a ZigBee-based wireless sensing network unit, a single LED lamp control point module and a branch control node module; the ZigBee-based wireless sensor network unit is in communication connection with the control unit, the voltage and current detection sensor, the environment detector, the single LED lamp control point module and the branch control node module are in communication connection with the ZigBee-based wireless sensor network unit, and the single LED lamp control point module is electrically connected with the single LED lamp; the branch control node module is electrically connected with the branch LED lamp. The utility model discloses utilize wireless sensor network zigBee network to have broadcasting, single-point addressing function, realize that district LED street lamp centralized control combines together with fixed point control, through wireless expansion realization district LED control range, avoid the inconvenience that the construction of wired wiring brought, according to illumination intensity, time zone time, automatic control district lighting lamp light.
Description
Technical Field
The utility model relates to the field of communication technology, more specifically relates to a based on Zigbee intelligent community LED lighting control system.
Background
The LED lamp has the advantages of small volume, low power consumption and long service life, the service life of the LED can reach 10 ten thousand hours under proper current and voltage, the LED has high brightness and environmental protection, and the LED lamp is made of non-toxic materials, and is not polluted by mercury contained in a fluorescent lamp. The LED color temperature is adjustable, namely the driving current of different wafers in the LED lamp can be changed through a simple control circuit, so that the same LED street lamp can emit various color lights, namely the color temperature is selectable, the color rendering property is good, and the efficiency is improved and the cost is reduced in the application of different occasions; the LED street lamp is convenient to match with digital dimming, and can save more electricity; the LED is powered by low voltage, and the safety is high. The adoption of the LE D street lamp for illumination will become the future development direction.
Traditional district is on lighting control, and control switch directly connects in the load return circuit, and circuit structure is complicated, and factor of safety is lower, needs managers to inspect every place on the scene and control lighting switch one by one to adopt manual switch, must open all the way or close, can not carry out single-point control, and when lighting control circuit goes wrong, need artificially discover, intelligent degree is not high.
The ZigBee technology is a two-way wireless communication technology with short distance, low complexity, low power consumption, low speed and low cost, is mainly suitable for the fields of automatic control and remote control, can be embedded into various devices, and simultaneously supports the function of geographic positioning. The characteristics of the ZigBee technology, such as low data rate and small communication range, determine that the ZigBee technology is suitable for the LED street lamp control service of the intelligent community.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the defect among the above-mentioned prior art, provide one kind based on Zigbee intelligent residential district LED lighting control system, utilize wireless sensor network zigBee network to realize the intelligent control of district LED lamp.
In order to solve the technical problem, the utility model discloses a technical scheme is: an intelligent community LED lighting control system based on Zigbee comprises a control unit, LED lamps, a voltage and current detection sensor, an environment detector, a wireless sensing network unit based on Zigbee, a single LED lamp control point module and a branch control node module; the ZigBee-based wireless sensor network unit is in communication connection with the control unit, the voltage and current detection sensor, the environment detector, the single LED lamp control point module and the branch control node module are all in communication connection with the ZigBee-based wireless sensor network unit, and the single LED lamp control point module is electrically connected with the single LED lamp and used for controlling the on and off of the single LED lamp; and the branch control node module is electrically connected with the branch LED lamps and is used for controlling the switch of the LED lamps of the whole branch.
The utility model discloses in, based on zigBee intelligent community LED lighting control system theory of operation, it need not artificial intervention according to district environmental parameter (like luminance, temperature, humidity) automatic operation to can in time detect the operating condition of each street lamp of community, in time trail the maintenance. The control unit is responsible for monitoring the running condition of the LED lamps of the whole community and can control the on-off and the brightness of each street lamp according to a control command, and an embedded microprocessor ARM9 is communicated with the ZigBee network coordinator through an RS232 serial port; the wireless sensing network is responsible for transmitting the command of the intelligent community LED illumination control center and collecting the state information of the ZigBee terminal nodes; the single LED lamp control point module is responsible for controlling and driving the LED lamp; the branch control node module and the current-voltage detection sensor module are used for detecting the voltage-current state and the branch control state of the whole branch; the environment parameter detection module is used for detecting the environment of the whole cell, including light intensity, temperature and humidity, and the environment parameter detection module is used as a basis for controlling the LED lamp by the ZigBee terminal.
Furthermore, the control unit comprises a first ZigBee wireless transmitting module, an embedded microprocessor, a display screen, a clock chip and a control key; the first ZigBee wireless transmitting module, the display screen, the clock chip and the control key are electrically connected with the embedded microprocessor; the first ZigBee wireless transmitting module is in communication connection with the ZigBee-based wireless sensing network unit.
Further, the voltage and current detection sensor comprises a current detection sensor, a voltage detection sensor, a branch AC contactor and a second ZigBee wireless transmitting module; the current detection sensor, the voltage detection sensor and the branch AC contactor are electrically connected with the second ZigBee wireless transmitting module; and the second ZigBee wireless transmitting module is in communication connection with the ZigBee-based wireless sensing network unit. The current and voltage conditions of each branch in a cell are detected through a current detection sensor, a voltage detection sensor and a branch AC contactor, monitored results are fed back to a control unit, and whether a circuit of the lighting control system has a fault or not, whether an LED lamp has a fault or not and the like can be timely checked according to the detected results.
Further, the environment detector comprises an illumination sensor, a temperature sensor, a humidity sensor and a third ZigBee wireless transmitting module; the illumination sensor, the temperature sensor and the humidity sensor are electrically connected with a third ZigBee wireless transmitting module, and the third ZigBee wireless transmitting module is in communication connection with a ZigBee-based wireless sensing network unit. The illumination intensity in the cell is detected through the illumination sensor, the temperature condition in the cell is detected through the temperature sensor, the humidity condition of the cell is detected through the humidity sensor, the monitored illumination, temperature and humidity conditions are sent to the control unit through the ZigBee-based wireless sensing network unit, and the on-off, or brightness, color and the like of the LED lamp of the cell are automatically controlled according to the environment condition of the cell.
Furthermore, the ZigBee-based wireless sensor network unit comprises a coordinator, a router and a terminal, wherein the router is in communication connection with the coordinator, and the terminal is in communication connection with the router or the coordinator.
Furthermore, the embedded microprocessor is in communication connection with the coordinator through an RS232 serial port.
Further, the router, the coordinator and the terminal are in a star-shaped, tree-shaped or mesh network topology structure. The ZigBee-based wireless sensor network unit comprises 3 types of nodes, namely a coordinator, a router and terminal equipment, and supports 3 network topological structures of star, tree and mesh. According to the characteristics of the ZigBee protocol, the ZigBee wireless sensing network used for the intelligent community street lamp control system has the following characteristics: short-distance and small-range transmission, and has cost advantage; the frequency range has stronger anti-interference performance in the cell, a proper network topological structure can be selected by using the regional characteristics of the cell, and the networking is simple and reliable; through reasonable layout, the LED street lamp can be managed in a district distribution area without any communication blind area by utilizing the geographical positioning function of the LED street lamp.
Compared with the prior art, the beneficial effects are: the utility model provides a pair of in Zigbee intelligent residential district LED lighting control system, utilize wireless sensor network zigBee network to have the broadcasting, the single-point addressing function, realize that intelligent residential district LED street lamp centralized control combines together with fixed point control, realize district LED control range through wireless expansion, avoid the inconvenience that the wire laying construction brought, and can be according to illumination intensity, the time zone is time-consuming, automatic control district lighting lamp light, can also discover the LED lamp of problem in the district automatically, it is high to have intelligent degree, characteristics such as energy-conserving effectual.
Drawings
Fig. 1 is a schematic diagram of the system connection relationship of the present invention.
Fig. 2 is a schematic diagram of the structure of the control unit of the present invention.
Fig. 3 is a schematic structural diagram of the voltage and current detection sensor of the present invention.
Fig. 4 is a schematic structural diagram of the environment detector of the present invention.
Fig. 5 is the utility model discloses based on zigBee wireless sensor network unistructure schematic diagram, wherein 1 is the coordinator, 2 is the router, and 3 is the terminal.
Fig. 6 is a schematic diagram of a control circuit of the LED lamp of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
As shown in fig. 1, a Zigbee-based intelligent community LED lighting control system includes a control unit, LED lamps, a voltage and current detection sensor, an environment detector, a Zigbee-based wireless sensor network unit, a single LED lamp control point module, and a branch control node module; the ZigBee-based wireless sensor network unit is in communication connection with the control unit, the voltage and current detection sensor, the environment detector, the single LED lamp control point module and the branch control node module are all in communication connection with the ZigBee-based wireless sensor network unit, and the single LED lamp control point module is electrically connected with the single LED lamp and used for controlling the on and off of the single LED lamp; and the branch control node module is electrically connected with the branch LED lamps and is used for controlling the switch of the LED lamps of the whole branch.
The utility model discloses in, based on zigBee intelligent community LED lighting control system theory of operation, it need not artificial intervention according to district environmental parameter (like luminance, temperature, humidity) automatic operation to can in time detect the operating condition of each street lamp of community, in time trail the maintenance. The control unit is responsible for monitoring the running condition of the LED lamps of the whole community and can control the on-off and the brightness of each street lamp according to a control command, and an embedded microprocessor ARM9 is communicated with the ZigBee network coordinator through an RS232 serial port; the wireless sensing network is responsible for transmitting the command of the intelligent community LED illumination control center and collecting the state information of the ZigBee terminal nodes; the single LED lamp control point module is responsible for controlling and driving the LED lamp; the branch control node module and the current-voltage detection sensor module are used for detecting the voltage-current state and the branch control state of the whole branch; the environment parameter detection module is used for detecting the environment of the whole cell, including light intensity, temperature and humidity, and the environment parameter detection module is used as a basis for controlling the LED lamp by the ZigBee terminal.
As shown in fig. 2, the control unit includes a first ZigBee wireless transmitting module, an embedded microprocessor, a display screen, a clock chip, and a control key; the first ZigBee wireless transmitting module, the display screen, the clock chip and the control key are electrically connected with the embedded microprocessor; the first ZigBee wireless transmitting module is in communication connection with the ZigBee-based wireless sensing network unit.
As shown in fig. 3, the voltage and current detection sensor includes a current detection sensor, a voltage detection sensor, a branch ac contactor, and a second ZigBee wireless transmission module; the current detection sensor, the voltage detection sensor and the branch AC contactor are electrically connected with the second ZigBee wireless transmitting module; and the second ZigBee wireless transmitting module is in communication connection with the ZigBee-based wireless sensing network unit.
As shown in fig. 4, the environment detector includes an illumination sensor, a temperature sensor, a humidity sensor and a third ZigBee wireless transmitting module; the illumination sensor, the temperature sensor and the humidity sensor are electrically connected with a third ZigBee wireless transmitting module, and the third ZigBee wireless transmitting module is in communication connection with a ZigBee-based wireless sensing network unit.
As shown in fig. 5, the ZigBee-based wireless sensor network unit includes a coordinator, a router and a terminal, the router is in communication connection with the coordinator, and the terminal is in communication connection with the router or the coordinator. The embedded microprocessor is in communication connection with the coordinator through an RS232 serial port. The ZigBee-based wireless sensor network unit comprises 3 types of nodes, namely a coordinator, a router and terminal equipment, and supports 3 network topological structures of star, tree and mesh. According to the characteristics of the ZigBee protocol, the ZigBee wireless sensing network used for the intelligent community street lamp control system has the following characteristics: short-distance and small-range transmission, and has cost advantage; the frequency range has stronger anti-interference performance in the cell, a proper network topological structure can be selected by using the regional characteristics of the cell, and the networking is simple and reliable; through reasonable layout, the LED street lamp can be managed in a district distribution area without any communication blind area by utilizing the geographical positioning function of the LED street lamp.
In the embodiment, the ZigBee-based wireless sensor network unit uses a C51RF-3 system. The processor adopts CC2430 of TI company, integrates ZigBee Radio Frequency (RF) circuit and microcontroller on a single chip, uses 1 MCU (8051) with 8 bits, has 128kB programmable flash memory and 8kRAM, and also comprises an analog-digital converter (ADC), a timer (Timer) and an AES128 coprocessor. In the networking aspect, the C51RF-3 system can realize the establishment of a serial network and a star network, and default parameters in the ZigBee2006 protocol are as follows: the maximum routing DEPTH MAX _ DEPTH is 5, the maximum number of child nodes MAX _ child is 20, and the maximum number of routing child nodes MAX _ routes is 6, which determine the size of the wireless sensor network by default. In the C51RF-3 system, the barrier-free wireless transmission distance of the ZigBee device can reach 100 m; in the case of obstacles, the reliable transmission distance exceeds 30m, so that the network distribution can be conveniently realized in a cell. For some large communities, their transmission distance may be extended by modifying the maximum routing depth and the maximum number of routing nodes of the network.
The node addressing principle of the ZigBee network of the wireless sensor network is as follows: when the ZigB ee network is initialized, the coordinator allocates a 16-bit short address to each node according to the MAC address of each terminal in the network, the address is unique in the network, a two-dimensional table is built in the coordinator and comprises the MAC address of each node and the 16-bit short address, and according to the table, the cell information management platform can address each node, so that the operation of a single lamp can be conveniently realized, and the control of all nodes of the ZigBee network can also be realized through broadcast information. The forwarding and routing of the information are automatically completed by the network without application program intervention, so that the control of all intelligent cell branch LED street lamps and single lamps is realized.
After all ZigBee network devices are powered on, the ZigBee network is automatically networked, after a period of time (which can be set in the system), the network coordinator transmits the state information of the whole network to an embedded microprocessor ARM9 of the intelligent community LED lighting control unit through an RS232 serial port, and the LED street lamp information is displayed on a control display screen of the embedded microprocessor ARM 9. After the system is configured, a community manager only needs to interfere the operation of the LED street lamp lighting system in emergency or special situations and can monitor the operation of the whole lighting system; the street lamp monitoring system of the intelligent community adopts a control strategy based on date, and different illumination schemes can be adopted on different dates (such as holidays); the ZigBee network coordinator can start the illumination of the whole network according to environmental parameters such as light intensity, and particularly can automatically start an illumination system in some special weather such as cloudy days and thunderstorm days; the final illumination of the LED street lamp is controlled and implemented through the ZigBee terminal, and the LED street lamp can be controlled to be switched on and off by adopting a time-based control strategy under normal conditions.
The control mode of the street lamp node can be designed into two modes. The first is a control mode based on a single lamp, and the system can independently control the switch, power and light color of each lamp (adopting R, G, B three-color LED, and controlling according to the three-primary-color principle), so that a specific light control strategy can be conveniently set according to environmental parameters such as light intensity, humidity and temperature and time, and different colors and brightness can be displayed in holidays; the second is a control mode based on a branch, which is realized by controlling a power supply of the branch, and whether the working power and the working state of the branch are normal or not is determined according to the voltage of the branch, the voltage and the current value of the branch measured by the current sensor, as shown in fig. 6, a driving chip of the LED street lamp adopts PT4115, the maximum power of the driving chip is 36W, and a plurality of PT4115 chips can be combined on occasions with large power requirements. PT4115 is a voltage reduction constant current source in a continuous inductive current conduction mode, the input voltage range of the constant current source is 8-30V, the output current is adjustable and can reach 1.2A at most, and PT411 can drive LEDs of dozens of watts according to different input voltages and external devices; the PT4115 is internally provided with a power switch, high-end current sampling is adopted to set the average current of an LED, the LED can receive analog dimming and wide-range PWM dimming through a DIM pin, the effective dimming range of direct-current voltage of the DIM pin is 0.5-2.5V, when the direct-current voltage is higher than 2.5V, the output LED current keeps constant, the system simulates to generate a PWM waveform through a CC24 2430I/O port to control the brightness of the street lamp, when the voltage of the DIM pin is lower than 0.3V, the power switch is turned off, and the PT4115 enters a standby state with extremely low working current; the conversion efficiency is as high as 97%, and the output current precision is +/-5%; the chip has multiple functions of over-temperature protection, over-voltage protection, over-current protection, LED open-circuit protection and the like; the SOT89-5 packaging is adopted, so that the quick heat dissipation of the driving chip is facilitated; the application circuit is simple, the periphery of the application circuit is only provided with 4 components, and the application cost is low.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. An intelligent cell LED lighting control system based on Zigbee is characterized by comprising a control unit, LED lamps, a voltage and current detection sensor, an environment detector, a wireless sensing network unit based on Zigbee, a single LED lamp control point module and a branch control node module; the ZigBee-based wireless sensor network unit is in communication connection with the control unit, the voltage and current detection sensor, the environment detector, the single LED lamp control point module and the branch control node module are all in communication connection with the ZigBee-based wireless sensor network unit, and the single LED lamp control point module is electrically connected with the single LED lamp and used for controlling the on and off of the single LED lamp; and the branch control node module is electrically connected with the branch LED lamps and is used for controlling the switch of the LED lamps of the whole branch.
2. The Zigbee-based intelligent cell LED lighting control system according to claim 1, wherein the control unit comprises a first ZigBee wireless transmitting module, an embedded microprocessor, a display screen, a clock chip and a control key; the first ZigBee wireless transmitting module, the display screen, the clock chip and the control key are electrically connected with the embedded microprocessor; the first ZigBee wireless transmitting module is in communication connection with the ZigBee-based wireless sensing network unit.
3. The Zigbee-based intelligent community LED lighting control system according to claim 2, wherein the voltage and current detection sensor comprises a current detection sensor, a voltage detection sensor, a branch AC contactor and a second ZigBee wireless transmitting module; the current detection sensor, the voltage detection sensor and the branch AC contactor are electrically connected with the second ZigBee wireless transmitting module; and the second ZigBee wireless transmitting module is in communication connection with the ZigBee-based wireless sensing network unit.
4. The Zigbee-based intelligent cell LED lighting control system according to claim 2, wherein the environment detector comprises an illumination sensor, a temperature sensor, a humidity sensor and a third ZigBee wireless transmitting module; the illumination sensor, the temperature sensor and the humidity sensor are electrically connected with a third ZigBee wireless transmitting module, and the third ZigBee wireless transmitting module is in communication connection with a ZigBee-based wireless sensing network unit.
5. A Zigbee-based intelligent cell LED lighting control system according to any one of claims 2 to 4, wherein the ZigBee-based wireless sensor network unit comprises a coordinator, a router and a terminal, the router is in communication connection with the coordinator, and the terminal is in communication connection with the router or the coordinator.
6. The Zigbee-based intelligent community LED lighting control system according to claim 5, wherein the embedded microprocessor is in communication connection with the coordinator through an RS232 serial port.
7. The Zigbee-based intelligent cell LED lighting control system according to claim 5, wherein the routers, the coordinator and the terminals are in a star-shaped, tree-shaped or mesh network topology.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692097A (en) * | 2021-09-03 | 2021-11-23 | 四川远辰通信科技有限公司 | Automatic control system for community light |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692097A (en) * | 2021-09-03 | 2021-11-23 | 四川远辰通信科技有限公司 | Automatic control system for community light |
| CN113692097B (en) * | 2021-09-03 | 2024-02-02 | 四川远辰通信科技有限公司 | Automatic community lamplight control system |
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