CN201690650U - Wireless control system used for LED dimming - Google Patents
Wireless control system used for LED dimming Download PDFInfo
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- CN201690650U CN201690650U CN2010201836060U CN201020183606U CN201690650U CN 201690650 U CN201690650 U CN 201690650U CN 2010201836060 U CN2010201836060 U CN 2010201836060U CN 201020183606 U CN201020183606 U CN 201020183606U CN 201690650 U CN201690650 U CN 201690650U
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Abstract
The utility model discloses a wireless control system used for light emitting diode (LED) dimming, which comprises a host computer, a wireless communication module, and at least one LED control module, wherein the host computer is used for sending a dimming control signal to a specified LED control module through the wireless communication module in a wireless manner; each LED control module is connected with an LED light source and is used for receiving the diming control signal and then converting the dimming control signal to a PWM wave form to adjust the brightness of the LED light source connected with the LED control module; and the wireless communication module is used for achieving the wireless communication between the host computer and the LED control module. The wireless control system for light emitting diode dimming disclosed by the embodiment of the utility model is adopted to achieve the LED light source dimming control flexibly, simply and conveniently.
Description
Technical field
The utility model relates to LED dimming control technique field, particularly relates to a kind of wireless control system that is used for dimming light-emitting diode.
Background technology
Current China electric power energy is comparatively nervous, and the coal resources storage is limited, and a lot of areas are easy to occur the short phenomenon of powering in peak times of power consumption.Electric consumption on lighting accounts for 20% of China's power consumption, therefore carries out the saving that energy conservation can realize electric power resource effectively aspect electric consumption on lighting.
LED (Light Emitting Diode, light-emitting diode) is a kind of semiconductor device that can directly be converted into electricity visible light.LED is applied to the demonstration of indicator light, numeral and literal the earliest.Along with the appearance of White LED, to have operating voltage low for LED in addition.Little power consumption, luminous efficiency height, long advantage of life-span, led light source obtains application more and more widely in the general illumination field.Led light source is the luminescent device of a kind of not only energy-conservation but also environmental protection, compares with conventional light source, and the LED lamp is than incandescent lamp power saving 80%, than fluorescent lamp power saving 50%.
Existing LED dimming control system generally is wired control system.In wired control system of existing LED light modulation, need to arrange a large amount of wire ropes that make the layout of led light source have bigger limitation, dumb, extensibility is relatively poor, safeguards comparatively loaded down with trivial details.Simultaneously, wearing out, scrapping of wire rope can pollute environment, and the human lives is had sizable potential safety hazard.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of wireless control system that is used for dimming light-emitting diode, and realization that can be flexible, easy is to the control of led light source light modulation.
The utility model embodiment provides a kind of wireless control system that is used for dimming light-emitting diode, and described system comprises: host computer, wireless communication module and at least one paths of LEDs control module;
Described host computer is used for dimming control signal is sent to the designated LED control module by wireless communication module with wireless;
The described LED control module in every road connects a led light source, after being used to receive dimming control signal, is translated into the PWM waveform, regulates the brightness of coupled led light source;
Described wireless communication module is used to realize the wireless telecommunications between host computer and the LED control module.
Preferably, described wireless communication module is the ZigBee communication module;
Described ZigBee communication module comprises: telegon, at least one road router or terminal equipment; Wherein,
Described telegon links to each other with described host computer, is used to receive described dimming control signal, is sent to the router and/or the terminal equipment of host computer appointment with wireless;
Each described router and/or terminal equipment link to each other with a paths of LEDs control module, and the dimming control signal that is used for receiving is sent to coupled LED control module.
Preferably, described router directly links to each other with described LED control module;
Or,
Described router links to each other with described LED control module by subordinate equipment.
Preferably, described router connects at least one described subordinate equipment;
Described subordinate equipment is terminal equipment or router.
Preferably, the information that comprises the designated LED light source in the dimming control signal that described host computer sends.
Preferably, described telegon is that each router or terminal equipment distribute a network number;
Described telegon is discerned described dimming control signal, determine the router of described dimming control signal designated LED light source correspondence or the network number of terminal equipment, described dimming control signal is sent to the router or the terminal equipment of described network number correspondence with wireless.
Preferably, preserve in the described telegon each router or terminal equipment network number, with respectively with its corresponding led light source between one-to-one relationship.
Preferably, described LED control module comprises: single-chip microcomputer and LED driver element;
Described single-chip microcomputer links to each other with described wireless communication module, is used to receive described dimming control signal, and is converted into corresponding PWM waveform, exports the LED driver element to;
Described LED driver element is used for the brightness according to the described led light source of described PWM waveform adjustment.
Preferably, described ZigBee communication module adopt serial interface communication mode realize with described single-chip microcomputer between communicate by letter.
Preferably, described ZigBee communication module adopt serial interface communication mode realize with described host computer between communicate by letter
According to the specific embodiment that the utility model provides, the utility model discloses following technique effect:
Among the utility model embodiment, adopt the wireless telecommunications between wireless communication module realization host computer and the LED control module, realize controlled in wireless thus led light source.Compared with prior art, do not need to arrange metallic cable, make the layout of led light source have very big flexibility, extensibility is better; Also saved maintenance work, made easier the maintenance of LED power supply to metallic cable; Simultaneously, solved, environment has been polluted, brought the problem of potential safety hazard to the human lives because of the wearing out, scrap of wire rope.
Description of drawings
Fig. 1 is the wireless control system structure chart that is used for dimming light-emitting diode of the utility model embodiment;
Fig. 2 is the wireless communication module structure chart of the utility model embodiment;
Fig. 3 is the wireless communication module circuit diagram of the utility model embodiment;
Fig. 4 is the single chip circuit figure of the utility model embodiment;
Fig. 5 is the circuit diagram of the LED driver element of the utility model embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
In view of this, the purpose of this utility model is to provide a kind of wireless control system that is used for dimming light-emitting diode, and realization that can be flexible, easy is to the brightness adjustment control of led light source.
With reference to Fig. 1, be the wireless control system structure chart that is used for dimming light-emitting diode of the utility model embodiment.Described system comprises: host computer 10, wireless communication module 20 and at least one paths of LEDs control module 30.
Wherein, described host computer 10 is used for dimming control signal is sent to designated LED control module 30 by wireless communication module 20 with wireless.
The described LED control module 30 in every road connects a led light source 40, after being used to receive dimming control signal, is translated into the PWM waveform, regulates the brightness of coupled led light source 40, realizes the brightness adjustment control to led light source.
Need to prove that the structure of the described LED control module 30 in every road is all identical, comprise single-chip microcomputer 301 and LED driver element 302.
Wherein, described single-chip microcomputer 301 links to each other with described wireless communication module 20, is used to receive described dimming control signal, and is converted into corresponding PWM waveform, exports LED driver element 302 to.
Described LED driver element 302 is used for carrying out light modulation according to the described led light source 40 of described PWM drive waveform.
Wherein, wireless communication module 20 is used to realize the wireless telecommunications between host computer 10 and the single-chip microcomputer 30.
Among the utility model embodiment, adopt the wireless telecommunications between wireless communication module realization host computer and the LED control module, realize controlled in wireless thus led light source.Compared with prior art, do not need to arrange metallic cable, make the layout of led light source have very big flexibility, extensibility is better; Also saved maintenance work, made easier the maintenance of LED power supply to metallic cable; Simultaneously, solved, environment has been polluted, brought the problem of potential safety hazard to the human lives because of the wearing out, scrap of wire rope.
Concrete, among the utility model embodiment, described wireless communication module 20 can be realized by the ZigBee communication module.Wherein, ZigBee be a kind of closely, low-power consumption, low transmission rate, low complex degree, wireless communication technology cheaply, be mainly used in the fields such as automated intelligent control, sensing, monitoring and Long-distance Control of industry and household.ZigBee also has the big advantage of network capacity, and a ZigBee network can comprise 65535 network nodes at most.The ZigBee communication module can embed in the electronic equipment, supports geographic positioning functionality simultaneously.
With reference to Fig. 2, be the wireless communication module structure chart of the utility model embodiment.In shown in Figure 2, described wireless communication module 20 adopts the ZigBee communication module to realize.Described wireless communication module 20 comprises: telegon 201, at least one road router two 02 or terminal equipment 203.
The telegon 202 of described ZigBee communication module is set up wireless network, by the wireless telecommunications between wireless network realization and described router two 02 and/or the terminal equipment 203.
Wherein, described telegon 201 links to each other with host computer 10, is used to receive the dimming control signal that host computer 10 sends, and is sent to the router two 02 and/or the terminal equipment 203 of host computer 10 appointments with wireless.Each described router two 02 links to each other with a paths of LEDs control module 30 with/terminal equipment 203, and the dimming control signal that is used for receiving is sent to coupled LED control module 30.
In the described ZigBee communication module of the utility model embodiment, only need a telegon 201 can realize and host computer 10 between communication.
Behind described telegon 201 power-up initializings, initiatively set up a wireless network, and wait for the adding of router two 02 and/or terminal equipment 203.Described telegon 201 can be by router two 02 in wireless network realization and the described wireless network of adding and/or the wireless telecommunications between the terminal equipment 203.
Concrete, described ZigBee communication module can comprise multichannel router two 02 and/or terminal equipment 203.Every road router two 02 can be used to be connected a paths of LEDs control module 30 with terminal equipment 203, realizes the controlled in wireless to a paths of LEDs light source 40.
Wherein, described terminal equipment 203 is a terminal note, and it can only directly link to each other with described LED control module 30, exports the dimming control signal that receives to coupled LED control module 30.
Described router two 02 can directly link to each other with described LED control module 30, also can link to each other with described LED control module 30 by subordinate equipment, allows its subordinate equipment to join in the wireless network.
When described router two 02 directly linked to each other with described LED control module 30, described router two 02 directly exported the dimming control signal that receives to coupled LED control module 30.
When described router two 02 linked to each other with described LED control module 30 by subordinate equipment, described router two 02 exported the dimming control signal that receives to coupled LED control module 30 by described subordinate equipment.
Concrete, each described router two 02 can connect at least one subordinate equipment, and each subordinate equipment connects a paths of LEDs control module 30, realizes the controlled in wireless to a paths of LEDs light source 40.
Concrete, described subordinate equipment can be terminal equipment, also can be router.As the router of subordinate equipment, identical with higher level's router feature, both can directly link to each other with described LED control module 30, also can link to each other with described LED control module 30 by subordinate equipment.
Need to prove that in the described system of the utility model embodiment, communicating by letter between the described telegon 201 of ZigBee communication module and described router two 02 and/or the terminal equipment 203 relies on network number to discern.
Concrete, in the described ZigBee communication module, when described router two 02 or terminal equipment 203 application adding wireless networks, telegon 201 can be accordingly that the router two 02 or the terminal equipment 203 of each access of radio network distributes a network number; For the subordinate equipment of router two 02, when the subordinate equipment application of router two 02 added this wireless network, the subordinate equipment that telegon 201 also can be accordingly adds described wireless network for each of router two 02 distributed a network number.
At this moment, corresponding, include the information of designated LED light source 40 in the dimming control signal that host computer 10 sends.Described telegon 201 can be discerned the dimming control signal that is received from host computer 10, what determine this dimming control signal specified control is which led light source 40, according to the router two 02 of these paths of LEDs light source 40 correspondences or the network number of terminal equipment 203, described dimming control signal is sent to corresponding router two 02 or terminal equipment 203.
Concrete, from the above, each router two 02 or terminal equipment 203 connect a paths of LEDs light source 40 by a paths of LEDs control module 30 respectively.Therefore, we can say that each router two 02 or terminal equipment 203 are corresponding with a paths of LEDs light source 40.Set up each router two 02 or terminal equipment 203 network number, with respectively with its corresponding led light source 40 between one-to-one relationship, and be kept in the described telegon 201.
Described telegon 201 can be according to the information and the described corresponding relation of the led light source 40 that comprises in the described dimming control signal, determines the network number corresponding with this led light source 40, discerns the router two 02 or the terminal equipment 203 of this network number correspondence.
Need to prove, among the utility model embodiment, described ZigBee communication module adopts serial communication to receive dimming control signal from described host computer 10, and described dimming control signal is transferred to LED control module 30 with the serial communication form by wireless network, realize light modulation effect to led light source 40.
Among the utility model embodiment, adopt the wireless telecommunications between ZigBee communication module realization host computer and the LED control module, realize controlled in wireless thus led light source.Thus, utilize that the ZigBee communication module is low in energy consumption, the advantage of applying flexible, favorable expandability, realization that can be flexible, easy is to the brightness adjustment control of led light source.
With reference to Fig. 3, be the wireless communication module circuit diagram of the utility model embodiment.Wireless communication module 20 shown in Figure 3 adopts the ZigBee communication module, is specially the wireless communication module HT-MDL-Z-EM-2400-001-AC-V1.3.0 of Huali Co., Ltd.Certainly among the utility model embodiment, be that example describes only, in other embodiment of the utility model, can also adopt other chips as the ZigBee communication module with ZigBee communication module shown in Figure 3.
As shown in Figure 3, the SIF_LOADB of described ZigBee communication module (port 28) is by the 8th capacitor C 8 ground connection; Its port 27,25,23,21 is ground connection together; Its port one 3,15,17 meets power supply VCC; Wherein, port 21 is connected by the 9th capacitor C 9 with port one 7.
Its RXD (port 20) and TXD (port one 8) are its serial delivery outlet, are used for connecing the serial input port of the single-chip microcomputer 301 of LED control module 30.
With reference to Fig. 4 and Fig. 5, be respectively the single-chip microcomputer of the utility model embodiment and the circuit diagram of LED driver element.
As shown in Figure 4, PD1 of described single-chip microcomputer 301 (port 31) and PD0 (port 30) are its serial input port, are used to connect the serial delivery outlet of ZigBee communication module; The PB1 of described single-chip microcomputer 301 (port one 3) is its PWM delivery outlet, is used to export the PWM waveform to LED driver element 302.
Wherein, the peripheral circuit of single-chip microcomputer 301 shown in Figure 4 is its conventional design, does not repeat them here.
As shown in Figure 5, described LED driver element 302 is essentially typical B UCK (buck converter) circuit.Described led drive circuit 302 comprises light modulation chip and its peripheral DC/DC translation circuit.
Wherein, in the LED driver element 302 shown in Figure 5, the chip that adopts the LM3409HV model is as the light modulation chip.The Enable Pin EN of LM3409HV (port 3) connects the PWM delivery outlet of described single-chip microcomputer 301, receives the PWM waveform of single-chip microcomputer 302 outputs.The PGATE of described LM3409HV (port 6) connects the base stage of switching tube Q1, is used for the turn-on and turn-off of control switch pipe Q1.
By the general knowledge of this area as can be known, led light source 40 is to adopt constant-current driving, and when the electric current that flows through LED power supply 40 changes, the output brightness of led light source 40 will change.
Described LED driver element 302 is controlled turning on and off the time of switching device in the described DC/DC translation circuit by the output of described light modulation chip, thereby the duty ratio of regulating the PWM waveform changes, and changes the electric current of led light source 40.Thus, realization is to the purpose of described led light source 40 light modulations.
It should be noted that among the utility model embodiment that when carrying out serial communication, the communication pattern of the serial ports of the described ZigBee communication module of necessary assurance and the serial ports of single-chip microcomputer is consistent, such as baud rate, frame format etc.In programming to described single-chip microcomputer, must at first carry out initialization to its serial communication modular, its baud rate and frame format are provided with, also must guarantee simultaneously the input and output of its I/O mouth are set.
More than to a kind of wireless control system that is used for dimming light-emitting diode provided by the utility model, be described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, part in specific embodiments and applications all can change.In sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a wireless control system that is used for dimming light-emitting diode is characterized in that, described system comprises: host computer, wireless communication module and at least one paths of LEDs control module;
Described host computer is used for dimming control signal is sent to the designated LED control module by wireless communication module with wireless;
The described LED control module in every road connects a led light source, after being used to receive dimming control signal, is translated into the PWM waveform, regulates the brightness of coupled led light source;
Described wireless communication module is used to realize the wireless telecommunications between host computer and the LED control module.
2. the wireless control system that is used for dimming light-emitting diode according to claim 1 is characterized in that, described wireless communication module is the ZigBee communication module;
Described ZigBee communication module comprises: telegon, at least one road router or terminal equipment; Wherein,
Described telegon links to each other with described host computer, is used to receive described dimming control signal, is sent to the router and/or the terminal equipment of host computer appointment with wireless;
Each described router and/or terminal equipment link to each other with a paths of LEDs control module, and the dimming control signal that is used for receiving is sent to coupled LED control module.
3. the wireless control system that is used for dimming light-emitting diode according to claim 2 is characterized in that,
Described router directly links to each other with described LED control module;
Or,
Described router links to each other with described LED control module by subordinate equipment.
4. the wireless control system that is used for dimming light-emitting diode according to claim 3 is characterized in that, described router connects at least one described subordinate equipment;
Described subordinate equipment is terminal equipment or router.
5. the wireless control system that is used for dimming light-emitting diode according to claim 2 is characterized in that, comprises the information of designated LED light source in the dimming control signal that described host computer sends.
6. the wireless control system that is used for dimming light-emitting diode according to claim 5 is characterized in that, described telegon is that each router or terminal equipment distribute a network number;
Described telegon is discerned described dimming control signal, determine the router of described dimming control signal designated LED light source correspondence or the network number of terminal equipment, described dimming control signal is sent to the router or the terminal equipment of described network number correspondence with wireless.
7. the wireless control system that is used for dimming light-emitting diode according to claim 6 is characterized in that, preserve in the described telegon each router or terminal equipment network number, with respectively with its corresponding led light source between one-to-one relationship.
8. the wireless control system that is used for dimming light-emitting diode according to claim 2 is characterized in that, described LED control module comprises: single-chip microcomputer and LED driver element;
Described single-chip microcomputer links to each other with described wireless communication module, is used to receive described dimming control signal, and is converted into corresponding PWM waveform, exports the LED driver element to;
Described LED driver element is used for the brightness according to the described led light source of described PWM waveform adjustment.
9. the wireless control system that is used for dimming light-emitting diode according to claim 8 is characterized in that, described ZigBee communication module adopt serial interface communication mode realize with described single-chip microcomputer between communicate by letter.
10. the wireless control system that is used for dimming light-emitting diode according to claim 2 is characterized in that, described ZigBee communication module adopt serial interface communication mode realize with described host computer between communicate by letter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201836060U CN201690650U (en) | 2010-05-10 | 2010-05-10 | Wireless control system used for LED dimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010201836060U CN201690650U (en) | 2010-05-10 | 2010-05-10 | Wireless control system used for LED dimming |
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| CN201690650U true CN201690650U (en) | 2010-12-29 |
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| CN2010201836060U Expired - Fee Related CN201690650U (en) | 2010-05-10 | 2010-05-10 | Wireless control system used for LED dimming |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827479A (en) * | 2010-05-10 | 2010-09-08 | 杭州奥能照明电器有限公司 | Wireless control system for dimming light-emitting diode |
| CN102395229A (en) * | 2011-07-12 | 2012-03-28 | 深圳市爱迪普科技有限公司 | Intelligent LED (light emitting diode) lighting electricity-saving control system mainly applied to underground parking |
| CN103219972A (en) * | 2013-04-26 | 2013-07-24 | 深圳市芯威科技有限公司 | System and device for controlling pulse width modulation (PWM) output by intelligent terminal |
-
2010
- 2010-05-10 CN CN2010201836060U patent/CN201690650U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827479A (en) * | 2010-05-10 | 2010-09-08 | 杭州奥能照明电器有限公司 | Wireless control system for dimming light-emitting diode |
| CN102395229A (en) * | 2011-07-12 | 2012-03-28 | 深圳市爱迪普科技有限公司 | Intelligent LED (light emitting diode) lighting electricity-saving control system mainly applied to underground parking |
| CN103219972A (en) * | 2013-04-26 | 2013-07-24 | 深圳市芯威科技有限公司 | System and device for controlling pulse width modulation (PWM) output by intelligent terminal |
| CN103219972B (en) * | 2013-04-26 | 2014-08-20 | 深圳市芯威科技有限公司 | System and device for controlling pulse width modulation (PWM) output by intelligent terminal |
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Granted publication date: 20101229 Termination date: 20130510 |