CN103052221A - Multifunctional LED (light emitting diode) energy-saving illuminating system based on wireless self-organized network - Google Patents

Abstract

The invention discloses a multifunctional LED energy-saving lighting system of a wireless ad hoc network, which includes a fixed control terminal, a mobile control terminal, and several controlled terminals of large and low-power LED colored lamps. The mobile control terminal communicates with the fixed control terminal through a wireless network. Connection, the fixed control terminal is connected with the controlled terminal of high and low power LED colored lights through wireless communication; the mobile control terminal is used to receive the input control information of the user and send it to the fixed control terminal through the wireless network; the fixed control terminal The control terminal is used to send the control information of the mobile control terminal to the controlled terminal of high-power and low-power LED colored lights, or receive the control information of the user itself, and send it to the controlled terminal of high-power and low-power LED colored lights; The fixed control terminal or mobile control terminal realizes the remote control of the color and brightness changes of LED lanterns, which solves the problems of poor convenience, low controllability, difficult dimming and high power consumption of traditional fixed switch lighting.

Description

Multifunctional LED energy-saving lighting system based on wireless ad hoc network

technical field

The invention relates to the field of LED intelligent lighting, in particular to a multifunctional LED energy-saving lighting system based on a wireless ad hoc network.

Background technique

Energy-saving and environmentally friendly LED lighting has gradually replaced traditional fluorescent lighting with its high quality, durability, and energy-saving features, and has become an emerging lighting method today. However, no matter it is a fluorescent lamp or an LED lighting lamp, the traditional lighting control method mostly adopts a wired fixed switch, which has poor convenience, low controllability, high power consumption, and is generally a single-color non-adjustable mode. With the improvement of people's concept of convenient and comfortable life, people's requirements for the control method of indoor lighting are also changing. It is hoped that only by sitting on the sofa or in a corner, you can conveniently and quickly control the brightness and color of indoor lighting. To create a lighting effect with a personalized atmosphere, which cannot be satisfied by traditional lighting methods. Therefore, there is an urgent need to develop a wireless, changeable, and energy-saving intelligent wireless LED lighting system.

At present, there are few researches and achievements on wireless-controlled LED lighting systems at home and abroad. Most of them focus on using wireless methods to control the brightness of a single lighting and simple operations such as turning on and off. The research on intelligent wireless LED lighting control such as wireless ad hoc network control of different power lamps is not yet mature.

Contents of the invention

In order to overcome the shortcomings and deficiencies of the prior art, the present invention provides a multifunctional LED energy-saving lighting system based on a wireless ad hoc network. Big and other issues.

The technical scheme adopted in the present invention:

A multifunctional LED energy-saving lighting system based on a wireless ad-hoc network, including: a fixed control terminal, a mobile control terminal, several controlled terminals of low-power LED colored lights, and several controlled terminals of high-power LED colored lights. The control terminal is connected to the fixed control terminal through the wireless network, and the fixed control terminal is connected to the controlled terminal of the high-power and low-power LED colored lights through wireless communication.

The mobile control terminal is used to receive user input control information and send it to the fixed control terminal through the wireless network.

The fixed control terminal is used to send the control information of the mobile control terminal to the controlled terminals of high-power and low-power LED colored lights, or receive the user's control information and send it to the controlled terminals of high-power and low-power LED colored lights;

The controlled end of the high-power LED colored lamp or the controlled end of the low-power LED colored lamp is used to receive control information from the fixed control end, and execute corresponding actions according to the control information. Remote control for color brightness change.

The fixed control terminal includes a microprocessor, a Wi-Fi wireless network card module, a power supply module, a TFT liquid crystal touch screen display module and a wireless communication module at the fixed control terminal; the Wi-Fi wireless network card module is connected to the microprocessor through a USB port, The TFT liquid crystal touch screen display module is connected with the microprocessor through a data bus, and the wireless communication module at the fixed control end is connected with the microprocessor through a serial peripheral device interface.

The mobile control terminal is a mobile terminal with a smart phone operating system and a Wi-Fi function.

The controlled end of the low-power LED colored lamp includes: a low-power LED colored lamp module, a microcontroller at the controlled end of the low-power LED, a wireless communication module at the controlled end of the low-power LED, and a switching power supply module at the controlled end of the low-power LED; The wireless communication module at the controlled end of the power LED is connected to the microcontroller at the controlled end of the low-power LED through a serial peripheral device interface, the microcontroller at the controlled end of the low-power LED is connected to the low-power LED colorful light module, and the microcontroller at the controlled end of the low-power LED The switching power supply module provides 12V DC voltage and 3.3V DC voltage.

The controlled end of the high-power LED colored lamp includes: a high-power colored lamp module, a microcontroller at the controlled end of the high-power LED, a wireless communication module at the controlled end of the high-power LED, and a switching power supply module at the controlled end of the high-power LED; The wireless communication module at the controlled end is connected to the microcontroller at the controlled end of the high-power LED through a serial peripheral device interface, the microcontroller at the controlled end of the high-power LED is connected to the high-power LED lantern module, and the switching power supply at the controlled end The module provides 36V DC voltage and 3.3V DC voltage.

The TFT liquid crystal touch screen display module is composed of a 7.0-inch TFT true-color display screen and a four-wire resistive touch screen.

The low-power colorful lamp module includes a low-power LED lamp group and its driving circuit. The low-power LED lamp group is composed of red, green and blue LED small lamp beads, and its rated power is 5W.

The high-power colorful lamp module includes a high-power LED lamp group and its driving circuit. The high-power lamp group is composed of red, green, blue, white, and warm LED lamps in five colors, and its rated power is 18W.

The frequency of the wireless communication is 433MHz.

Beneficial effects of the present invention: the present invention changes the color and brightness of the LED lamp through a wireless control mode, which is convenient and quick to operate and has strong controllability; at the same time, by changing the color and brightness of the LED lamp, the effect of colorful and changeable can be achieved.

Description of drawings

Figure 1 is a structural diagram of a multifunctional LED energy-saving lighting system based on a wireless ad hoc network;

Fig. 2 is a structural diagram of the fixed control terminal of Fig. 1;

Fig. 3 is a structural diagram of the controlled end of the low-power LED colored lamp of Fig. 1;

Fig. 4 is a structural diagram of the controlled end of the high-power LED colored light shown in Fig. 1 .

Detailed ways

The present invention will be described in further detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Example

As shown in Figure 1, the multifunctional LED energy-saving lighting system based on wireless ad hoc network includes:

Including: a fixed control terminal, a mobile control terminal, several controlled terminals of low-power LED colored lights and several controlled terminals of high-power LED colored lights. 433MHz wireless communication is connected with the controlled end of high and low power LED lights;

The mobile control terminal is used to receive the user's input control information and send it to the fixed control terminal through the wireless network;

The fixed control terminal is used to send the control information of the mobile control terminal to the controlled terminals of large and low-power LED colored lights, or receive the control information of the user itself, and send it to each large and low-power LED controlled terminal through 433MHz wireless communication. console;

The controlled terminal of the high-power LED colored lamp or the controlled terminal of the low-power LED colored lamp receives the control information from the fixed control terminal through the wireless communication module of the high-power LED controlled terminal or the wireless communication module of the low-power LED controlled terminal. The protocol performs corresponding actions to change the color and brightness of the LED light.

As shown in Figure 2, the fixed control terminal includes:

TFT LCD touch screen display module: display system control program interface, etc., with a resistive touch screen, which can be operated by touch operation application program;

Wi-Fi wireless network card module: connected to the wide area network through the local area network, used to realize the communication between the mobile control terminal in the Internet, transmit the control instructions of the mobile control terminal, and forward them to each controlled terminal.

The wireless communication module of the fixed control terminal: the wireless communication module with 51 cores is adopted, and after realizing the ad hoc network with the nodes, the node information is automatically uploaded to the fixed control terminal. At this time, the wireless communication module of the fixed control terminal is the data center AP; in addition, The control command of the processor is also sent to the node through the module to realize real-time control;

(4) Microcontroller: used to drive and control the wireless communication module, TFT liquid crystal display module and Wi-Fi wireless network card module of the fixed control terminal.

(5) Power supply module: This is a switching power supply, which reduces the voltage of 220V mains to 5V, provides energy for each peripheral of the microcontroller, and meets the EMC design requirements.

The microcontroller is a CPU.

As shown in Figure 3, the controlled end of the low-power LED lantern includes:

Low-power LED lamp module: including low-power LED lamp group and its driving circuit, driven by a constant voltage circuit, the low-power LED lamp module includes red, green and blue low-power LED lights;

Microcontroller at the controlled end of the low-power LED colored light: the microcontroller is an MCU, which is used to drive and control the wireless communication module, the switching power supply module and the low-power LED colored light module at the controlled end of the low-power LED colored light; According to the data wirelessly received by the wireless communication module from the fixed control terminal or the mobile control terminal, the microcontroller outputs three different PWM square waves, and controls the red, green and blue three-color low-power LED lights through the effect tube respectively. The voltage at both ends can adjust the brightness of red, green and blue colors, so as to realize the combination of different LED colors, and finally realize the intelligent control of the brightness and color of low-power LED colored lights.

The wireless communication module of the controlled end of the low-power LED lantern: used to receive the control information sent by the fixed control end, and send the network access request of the low-power LED node;

The switching power supply module of the controlled end of the low-power LED colored light: used to supply power for the controlled end of the small-power LED colored light. It is composed of a flyback switching power supply and a BUCK step-down DC/DC switching power supply. , to supply power for the low-power LED lamp module; BUCK step-down DC/DC switching power supply obtains DC 3.3V power supply, which supplies power for the microcontroller module and wireless communication module at the controlled end of the low-power LED lantern.

As shown in Figure 4, the controlled end of the high-power lantern includes:

High-power LED lamp module: including a high-power LED lamp group and its driving circuit, driven by a constant voltage circuit. The high-power LED lamp group is composed of red, green, blue, white and warm LED lamps, and its rated power is 18W.

The microcontroller at the controlled end of the high-power LED colored lamp: the microcontroller is an MCU, which is used to drive and control the wireless communication module, the switching power supply module and the high-power LED lamp module at the controlled end of the high-power LED colored lamp; After the microcontroller module processes the data, it outputs five channels of PWM signals with different duty ratios, and controls the driving current of five channels of high-power LED lamp groups through the high-power LED lamp module, thereby controlling the five-color high-power LED lamps. brightness.

The wireless communication module of the controlled end of the high-power LED lantern: used to receive the control information sent by the fixed control end, and responsible for sending the network access request of the high-power LED node;

The switching power supply module of the controlled end of the high-power LED lantern: used to supply power to the entire controlled end, consisting of a flyback switching power supply and a BUCK step-down DC/DC switching power supply. The flyback switching power supply obtains a DC 36V power supply for high-power LEDs The light module is powered, and the BUCK step-down DC/DC switching power supply obtains a DC 3.3V power supply for the microcontroller and wireless communication module at the controlled end of the high-power LED colored light.

The working process of the system:

First, the system is initialized,

Then, the user selects a control mode in the main interface of the system, and the optional modes are mobile terminal control mode and fixed terminal control mode.

If the fixed terminal control mode is selected, first power on the fixed control terminal, and then initialize the Wi-Fi wireless network card module, TFT liquid crystal display module, wireless communication module and control program interface of the fixed control terminal, including initializing the reference frequency of the wireless transceiver , data transmission rate, transmission power, working mode, etc. At this time, the fixed control terminal establishes a 433MHz wireless communication connection with the controlled lantern node, and the user directly selects the color value and brightness you want to change on the TFT display screen of the fixed control terminal After that, the control program will package the control information data input by the user, and then send it to each controlled terminal through the wireless communication module of the fixed control terminal. The multifunctional LED energy-saving lighting system based on the wireless ad hoc network enters the normal working state.

If the mobile terminal control mode is selected, the fixed control terminal receives the control information input by the user from the mobile control terminal through Wi-Fi, and then the control program will package and package the control information data input by the user, and then the fixed control terminal passes through the wireless terminal of the fixed control terminal. The communication module sends to each controlled end.

After the fixed control terminal, mobile control terminal, high-power and low-power LED colored lamp controlled terminals are powered on, the controlled terminals of high-power and low-power LED colored lights within the control range of the fixed control terminal are automatically added to the network through self-organizing network mode. In the controlled list, the user can use the management function of the system to set groups for the controlled terminals of large and low-power LED lights that have entered the control range of the control terminal through the client application software on the fixed control terminal or mobile control terminal, and then follow the The control methods required by different groups Control the color and brightness of the LED lights for each group respectively.

In the star network of this system, each node must be connected to the network before further communication can be carried out. After the wireless communication module of the high-power and low-power LED controlled node is initialized, the node must send a network access request to the fixed control terminal. The fixed control terminal checks the access identifier in the network access request sent by the node, and judges whether the node is a legitimate network device. If the verification passes, the fixed control terminal will unicast a response and assign a connection identifier. After the node sends the network access request, it starts to wait for the response from the control terminal. If it receives the response, it will get the address information of the control terminal and the network connection identifier given by the control terminal. If not, it will resend the network access request.

When the low-power LED controlled node receives the data sent by the fixed control terminal, it first performs data processing and protocol analysis, judges the application type of the data frame, enters the corresponding application analysis, and obtains the number of payloads in the data frame. If the command data is valid, the state of the low-power LED light is changed according to the command data.

Similarly, after the high-power LED node is powered on, the first thing to do is to initialize the wireless communication module, including initializing the reference frequency of the wireless transceiver, data transmission rate, transmission power, working mode, etc. After receiving the data, it judges the application type of the data frame, enters the corresponding application analysis, and obtains the number of payloads in the data frame. If the command data is valid, the state of the high-power LED light is changed according to the command data.

The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the embodiment, and any other changes, modifications, substitutions and combinations made without departing from the spirit and principle of the present invention , simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present invention.

Claims (9)

1. Multifunctional LED energy efficient lighting system based on wireless ad hoc network, it is characterized in that, comprise: fixedly control end, mobile control end, several low-power LED color lamp controlled ends and several great power LED color lamp controlled ends, described mobile control end is connected with fixing control end by wireless network, and fixedly control end is connected with large and small power LED color lamp controlled end by communication;

Described mobile control end, the input control information for receiving the user sends to fixedly control end by wireless network;

Described fixedly control end is used for the control information of mobile control end is sent to large and small power LED color lamp controlled end, or itself is received user's control information, sends to large and small power LED color lamp controlled end;

Described great power LED color lamp controlled end or low-power LED color lamp controlled end are used for receiving the control information of self-retaining control end, carry out corresponding actions according to control information.

2. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 1, it is characterized in that, described fixedly control end comprises microprocessor, Wi-Fi wireless interface module, power module, TFT liquid crystal touch screen display module and the fixing wireless communication module of control end; Described Wi-Fi wireless interface module is connected with microprocessor by USB port, and TFT liquid crystal touch screen display module is connected by data/address bus with microprocessor, and fixedly the wireless communication module of control end is connected by Serial Peripheral Interface with microprocessor.

3. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 1, it is characterized in that: described mobile control end is that operation system of smart phone is installed, and with the portable terminal of Wi-Fi function.

4. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 1, it is characterized in that, described low-power LED color lamp controlled end comprises: the switch power module of the microcontroller of low-power LED color lamp module, low-power LED controlled end, the wireless communication module of low-power LED controlled end, low-power LED controlled end; The wireless communication module of low-power LED controlled end is connected by Serial Peripheral Interface with the microcontroller of low-power LED controlled end, the microcontroller of low-power LED controlled end is connected with low-power LED color lamp module, and the switch power module of low-power LED controlled end provides 12V direct voltage and 3.3V direct voltage.

5. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 1, it is characterized in that, described great power LED color lamp controlled end comprises: the switch power module of the microcontroller of great power LED color lamp module, great power LED controlled end, the wireless communication module of great power LED controlled end and great power LED controlled end; The wireless communication module of great power LED controlled end is connected by Serial Peripheral Interface with the microcontroller of great power LED controlled end, the microcontroller of great power LED controlled end is connected with great power LED color lamp module, and switch power module provides 36V direct voltage and 3.3V direct voltage.

6. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 2, it is characterized in that: described TFT liquid crystal touch screen display module is made of 7.0 cun very color display screens of TFT and four-wire resistance type touch screen.

7. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 4, it is characterized in that: described small-power color lamp module comprises low-power LED lamp group and drive circuit thereof, described low-power LED lamp group is made of the LED small lamp bulb of three kinds of colors of red, green, blue, and its rated power is 5W.

8. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 5, it is characterized in that: described high-power color lamp module comprises high-powered LED lamp group and drive circuit thereof, described high-power lamp group is made of the LED lamp of red, green, blue, white, warm five kinds of colors, and its rated power is 18W.

9. the Multifunctional LED energy efficient lighting system based on wireless ad hoc network according to claim 1 is characterized in that, the frequency of described radio communication is 433MHz.

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