CN104902655A - External wireless transceiver for LED (light emitting diode) lamp and wireless control system for LED lamp - Google Patents
External wireless transceiver for LED (light emitting diode) lamp and wireless control system for LED lamp Download PDFInfo
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- CN104902655A CN104902655A CN201510370800.7A CN201510370800A CN104902655A CN 104902655 A CN104902655 A CN 104902655A CN 201510370800 A CN201510370800 A CN 201510370800A CN 104902655 A CN104902655 A CN 104902655A
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Abstract
The invention relates to an external wireless transceiver for an LED (light emitting diode) lamp and a wireless control system for the LED lamp. The system realizes wireless control on the basis of the external wireless transceiver. A wireless transceiving circuit comprises a wireless module, an MCU (microcontroller unit), a communication module and a dial switch. The wireless module is connected with the MCU which is connected with the communication module, the communication module outputs signals through a USB (universal serial bus) interface, and the dial switch is connected with the MCU. The surface of a shell is provided with an opening, and the dial switch is exposed outside the shell through the opening. The external wireless transceiver is fittingly used with the LED lamp and in communication connection with the LED lamp through the USB interface. After the wireless transceiver is connected into the lamp, the wireless transceiver is powered by the lamp; receiving and sending channels of the wireless transceiver are set by manually shifting the dial switch, and the MCU sets sending and receiving of the wireless module according to states of the dial switch; if in a wireless receiving state, the MCU sends wirelessly received data to the lamp in a differential manner through the communication module.
Description
Technical field
The present invention relates to field of LED illumination, in particular for wireless transceiver and the LED lamp wireless control system of LED lamp.
Background technology
LED light source, as a kind of energy-conserving light source, is more and more subject to people's attention, and widely applies in the project of various lighting art view.In lamp light control system, the wired or wireless two kinds of communication modes of general employing, wireless communication mode wherein has does not need features such as connecting up, on-the-spot cloth lamp is unrestricted.Wireless communication mode mainly comprises: 1, based on the wireless communication mode of GPRS/CDMA; 2, based on the wireless communication mode of Zigbee.No matter which kind of communication modes, its wireless transceiver is all generally be arranged in light fixture, merges on one piece of circuit board with the circuit of light fixture, and wireless transceiver presets an ID to light fixture, thus make light fixture self have unique recognition coding, thus carry out wireless telecommunications with control platform.The LED lamp manufacturing cost of this kind of integrated wireless transceiver is high, and use is subject to certain restrictions.
Summary of the invention
One of technical problem to be solved by this invention is to provide a kind of LED lamp external radio transceiver, light fixture self is without the need to integrated wireless transceiver, by external radio transceiver and other light fixtures or control platform and carry out communication, effectively reduce the manufacturing cost of light fixture, the use of light fixture is more flexible.
Two of technical problem to be solved by this invention is to provide a kind of LED lamp wireless control system, by arranging wireless transceiver outside light fixture, light fixture self is without the need to integrated wireless transceiver, by external wireless transceiver and other light fixtures or control platform and carry out communication, the manufacturing cost of effective reduction light fixture, the use of light fixture is more flexible.
Three of technical problem to be solved by this invention is to provide a kind of LED lamp wireless control method, by arranging wireless transceiver outside light fixture, light fixture self is without the need to integrated wireless transceiver, by external wireless transceiver and other light fixtures or control platform and carry out communication, the manufacturing cost of effective reduction light fixture, the use of light fixture is more flexible.
For one of solving the problems of the technologies described above, technical scheme of the present invention is: a kind of LED lamp external radio transceiver, comprise housing, lid, be located at wireless transceiver circuit in described housing and USB interface, described wireless transceiver circuit comprises wireless module, a MCU, communication module and toggle switch, described wireless module is connected with a MCU, a described MCU is connected with communication module, and signal is exported by USB interface by described communication module, and described toggle switch is connected with a MCU; Described surface of shell is provided with opening, and described toggle switch exposes outside housing by described opening; Described USB interface is placed on outside housing, and USB interface can be covered and coordinate with housing by described lid.External radio transceiver and LED lamp with the use of, and by USB interface and LED lamp connecting communication; After wireless transceiver access light fixture, its power supply is provided by light fixture; Manually stir toggle switch to arrange acceptance and the transmitting channel of wireless receiver, a MCU arranges wireless module according to toggle switch state and sends and receive; If be in wireless receiving state, the data of wireless receiving are sent to light fixture in the form of difference by communication module by a MCU.
As improvement, described communication module is 75176 communication chips; Described wireless module is 2.4G wireless module; Described USB interface is USB2.0 interface, USB3.0 interface or mini USB interface.
For solve the problems of the technologies described above two, technical scheme of the present invention is: a kind of LED lamp wireless control system, comprises lamp control circuit and external radio transceiver,
Described lamp control circuit comprises the 2nd MCU, LED drive circuit, DMX512 interface and USB wireless transceiver interface, and described LED drive circuit, DMX512 interface are connected with the 2nd MCU respectively with USB wireless transceiver interface;
Described external radio transceiver comprises housing, be located at wireless transceiver circuit in described housing and USB interface, described wireless transceiver circuit comprises wireless module, a MCU, communication module and toggle switch, described wireless module is connected with a MCU, a described MCU is connected with communication module, signal is exported by USB interface by described communication module, and described toggle switch is connected with a MCU; Described surface of shell is provided with opening, and described toggle switch exposes outside housing by described opening;
The USB wireless transceiver interface of described lamp control circuit and the USB interface of external radio transceiver with the use of, lamp control circuit is sent to other light fixtures by external radio transceivers from the control signal of other light fixtures or by the control signal of self.
External radio transceiver and LED lamp with the use of, and by USB interface and LED lamp connecting communication; After wireless transceiver access light fixture, its power supply is provided by light fixture; Manually stir toggle switch to arrange acceptance and the transmitting channel of wireless receiver, a MCU arranges wireless module according to toggle switch state and sends and receive; If be in wireless receiving state, the data of wireless receiving are sent to light fixture in the form of difference by communication module by a MCU.
As improvement, described communication module is 75176 communication chips; Described wireless module is 2.4G wireless module; Described USB interface is USB2.0 interface, USB3.0 interface or mini USB interface.
As improvement, also comprise DMX512 and control platform, described DMX512 is controlled platform and is comprised core main board and DMX512 output interface; Described DMX512 controls the DMX512 output interface of platform and the DMX512 Interference fit of lamp control circuit, and DMX512 controls platform and the mutual communication of light fixture.DMX512 is controlled platform and be can be used as signal source or signal output apparatus, and DMX512 is controlled platform and by signal transmission to light fixture, can be controlled light fixture driving LED lamp, or sent by signal by lamp control circuit; DMX512 is controlled platform and also can be received the signal from light fixture and be exported by signal.
For solve the problems of the technologies described above three, technical scheme of the present invention is: a kind of LED lamp wireless control method, comprises the following steps:
(1) external radio transceiver is inserted in the USB interface of different light fixtures, and toggle switch is set, make the communication channel of toggle switch consistent with the mailing address of corresponding light fixture;
(2) light fixture is set to host mode, light fixture is as signal source, and arrange toggle switch and make external radio transceiver be transmission state, control signal is sent by external radio transceiver by the host data of light fixture;
(3) light fixture is set to DMX pattern, arrange toggle switch and make external radio transceiver be accepting state, external radio transceiver inputs as signal source, and light fixture exports and driving LED lamp according to receiving wireless data.
As improvement, the another kind of substitute mode of described step (2) is: light fixture is set to DMX pattern, access wired DMX512 signal, DMX512 controls platform as signal source, and external radio transceiver is gone out the wired DMX512 data being input to light fixture by wireless transmission.
As improvement, in described step (3), light fixture and DMX512 are controlled platform and are connected, and light fixture exports to LED according to receiving wireless data, and the data of external radio transceiver are forwarded out by wired DMX512 control platform.
As improvement, external radio transceiver needs when carrying out transfer of data to be encrypted, and the process of encryption is:
(1) when external radio transceiver connects light fixture,
(2) first external radio transceiver produces the random number that a group in system beat is 30 bytes of seed, and produce the School Affairs of 30 bytes, the high-low position of School Affairs is placed on the 31st and 32 bytes, then is encrypted these 32 bytes by AES encryption algorithm;
(3) by the baud rate of serial ports 250K, Mark Code be 3, Start Code is 28, length is 32 bytes, this is organized the data of having encrypted and sends out;
(4) if light fixture is not responded, then every 25 milliseconds of wireless transceiver repeats to send this group data;
(5) if light fixture has response, then external radio transceiver will receive its Mark Code, Start Code and data, and Mark Code is 3, Start Code is 28, the length of reception is 32 bytes; 32 byte datas received are decrypted by AES decipherment algorithm; 30 decrypted data summations above and the 31st, 32 bytes are compared, equal, then data are correct; Otherwise data are wrong.
The beneficial effect that the present invention is compared with prior art brought is:
External radio transceiver and LED lamp with the use of, and by USB interface and LED lamp connecting communication, the wireless transceiver namely inserting shape can match from the light fixture of different LED, applied widely, and makes the application of light fixture more flexible; External radio transceiver replaces traditional wireless transceiver be integrated in light fixture, no longer arranges wireless transceiver in light fixture, thus reduces the manufacturing cost of light fixture.
Accompanying drawing explanation
Fig. 1 is external radio transceiver circuit block diagram.
Fig. 2 is lamp control circuit block diagram.
Fig. 3 is that DMX512 controls platform circuit block diagram.
Fig. 4 is the theory diagram of external radio transceiver as the first sending mode.
Fig. 5 is the theory diagram of external radio transceiver as the second sending mode.
Fig. 6 is the theory diagram of external radio transceiver as receiving mode.
Fig. 7 is external radio transceiver circuit schematic diagram.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
A kind of LED lamp wireless control system, comprises multiple LED lamp, external radio transceiver and the DMX512 that can manage all light fixtures controls platform one to one with each LED lamp.The object that the present invention will realize is the mutual communication that wireless telecommunications between multiple LED lamp and light fixture and MDX512 control between platform.
Described LED lamp comprises lamp control circuit and LED.As shown in Figure 2, described lamp control circuit comprises the 2nd MCU, LED drive circuit, DMX512 interface, USB wireless transceiver interface, AC power supplies input module, switch power module, voltage stabilizing circuit, button and display module and sound control circuit.AC power supplies input module is powered to voltage stabilizing circuit and LED drive circuit by switch power module; Stabilized voltage power supply powers to the 2nd MCU; 2nd MCU is by LED drive circuit driving LED lamp; The current state of light fixture can be shown by button and display module, and the state of light fixture can be set, as the host mode or DMX pattern etc. of light fixture; 2nd MUC controls platform communication by DMX512 interface and DMX512; 2nd MCU is by USB wireless receiver interface and the communication of external radio transceiver.
As shown in Fig. 1,7, described external radio transceiver comprises housing, lid, is located at wireless transceiver circuit in described housing and 2.0USB interface.Described wireless transceiver circuit comprises the toggle switch of 2.4G wireless module, 3.3V voltage stabilizing circuit, a MCU, 75176 communication chips and five, described 2.4G wireless module is connected with a MCU, a described MCU is connected with 75176 communication chips, described toggle switch is connected with a MCU, and signal is exported by USB interface by described 75176 communication chips.The power supply of wireless transceiver is provided by light fixture, and USB interface can be used as the input port of power supply and signal, and power supply is powered to the 3.3V voltage stabilizing circuit of wireless transceiver, a MCU and 75176 communication chips; After the voltage stabilizing of 3.3V voltage stabilizing circuit, 2.4G wireless module is powered.Described surface of shell is provided with opening, and described toggle switch exposes outside housing by described opening, arranges the communication channel of wireless transceiver by manual toggle toggle switch, can control platform carry out communication with other light fixtures and DMX512.Described USB interface is placed on outside housing, and USB interface can be covered and coordinate with housing by described lid, and lid can play the effect of protection USB interface.
As shown in Figure 3, described DMX512 control platform comprises core main board, DMX512 output interface, display section, voltage stabilization part, button/pusher section, Switching Power Supply and AC power supplies input.Voltage stabilization part, Switching Power Supply and AC power supplies are input as the power input that DMX512 controls platform; Produce control signal by button/pusher section, after the process of core main board, export light fixture to by DMX512 output interface; Display section is used for showing the state controlling platform.
Wireless control method, has two kinds of patterns:
The first
(1) external radio transceiver is inserted in the USB interface of different light fixtures, and toggle switch is set, make the communication channel of toggle switch consistent with the mailing address of corresponding light fixture;
(2) as shown in Figure 4, the toggle switch of external radio transceiver is set to ON(and sends state), light fixture is set to host mode, light fixture is namely set under P--menu, now light fixture is as signal source, external radio transceiver will be gone out the host data of light fixture and control platform by wired DMX512 and be exported to next light fixture (being set to D--pattern, namely slave pattern) by wireless transmission;
(3) as shown in Figure 6, the toggle switch of external radio transceiver is set to OFF(accepting state), light fixture is set to DMX pattern, light fixture is namely set under D--menu, external radio transceiver inputs as signal source, light fixture will export to LED according to receiving wireless data, and the data of external radio transceiver are forwarded out by wired DMX512.
The second
(1) external radio transceiver is inserted in the USB interface of different light fixtures, and toggle switch is set, make the communication channel of toggle switch consistent with the mailing address of corresponding light fixture;
(2) as shown in Figure 5, the toggle switch of external radio transceiver is set to ON(and sends state), light fixture is set to DMX pattern, light fixture is namely set under D--menu, access wired DMX512 and control platform signal, now DMX512 controls platform as signal source, and external radio transceiver will be gone out the wired DMX512 data being input to light fixture by wireless transmission;
(3) as shown in Figure 6, the toggle switch of external radio transceiver is set to OFF(accepting state), light fixture is set to DMX pattern, light fixture is namely set under D--menu, external radio transceiver inputs as signal source, light fixture will export to LED according to receiving wireless data, and the data of external radio transceiver are forwarded out by wired DMX512.
External radio transceiver needs when carrying out transfer of data to be encrypted, and the process of encryption is:
(1) when external radio transceiver connects light fixture,
(2) first external radio transceiver produces the random number that a group in system beat is 30 bytes of seed, and produce the School Affairs of 30 bytes, the high-low position of School Affairs is placed on the 31st and 32 bytes, then is encrypted these 32 bytes by AES encryption algorithm;
(3) by the baud rate of serial ports 250K, Mark Code be 3, Start Code is 28, length is 32 bytes, this is organized the data of having encrypted and sends out;
(4) if light fixture is not responded, then every 25 milliseconds of wireless transceiver repeats to send this group data;
(5) if light fixture has response, then external radio transceiver will receive its Mark Code, Start Code and data, and Mark Code is 3, Start Code is 28, the length of reception is 32 bytes; 32 byte datas received are decrypted by AES decipherment algorithm; 30 decrypted data summations above and the 31st, 32 bytes are compared, equal, then data are correct; Otherwise data are wrong.
Claims (9)
1. a LED lamp external radio transceiver, it is characterized in that: comprise housing, lid, be located at wireless transceiver circuit in described housing and USB interface, described wireless transceiver circuit comprises wireless module, a MCU, communication module and toggle switch, described wireless module is connected with a MCU, a described MCU is connected with communication module, signal is exported by USB interface by described communication module, and described toggle switch is connected with a MCU; Described surface of shell is provided with opening, and described toggle switch exposes outside housing by described opening; Described USB interface is placed on outside housing, and USB interface can be covered and coordinate with housing by described lid.
2. LED lamp external radio transceiver according to claim 1, is characterized in that: described communication module is 75176 communication chips; Described wireless module is 2.4G wireless module; Described USB interface is USB2.0 interface, USB3.0 interface or mini USB interface.
3. a LED lamp wireless control system, is characterized in that: comprise lamp control circuit and external radio transceiver,
Described lamp control circuit comprises the 2nd MCU, LED drive circuit, DMX512 interface and USB wireless transceiver interface, and described LED drive circuit, DMX512 interface are connected with the 2nd MCU respectively with USB wireless transceiver interface;
Described external radio transceiver comprises housing, be located at wireless transceiver circuit in described housing and USB interface, described wireless transceiver circuit comprises wireless module, a MCU, communication module and toggle switch, described wireless module is connected with a MCU, a described MCU is connected with communication module, signal is exported by USB interface by described communication module, and described toggle switch is connected with a MCU; Described surface of shell is provided with opening, and described toggle switch exposes outside housing by described opening;
The USB wireless transceiver interface of described lamp control circuit and the USB interface of external radio transceiver with the use of, lamp control circuit is sent to other light fixtures by external radio transceivers from the control signal of other light fixtures or by the control signal of self.
4. a kind of LED lamp wireless control system according to claim 3, is characterized in that: described communication module is 75176 communication chips; Described wireless module is 2.4G wireless module; Described USB interface is USB2.0 interface, USB3.0 interface or mini USB interface.
5. a kind of LED lamp wireless control system according to claim 3, is characterized in that: also comprise DMX512 and control platform, and described DMX512 is controlled platform and comprised core main board and DMX512 output interface; Described DMX512 controls the DMX512 output interface of platform and the DMX512 Interference fit of lamp control circuit, and DMX512 controls platform and the mutual communication of light fixture.
6. a control method for LED lamp wireless control system as claimed in claim 3, is characterized in that, comprise the following steps:
(1) external radio transceiver is inserted in the USB interface of different light fixtures, and toggle switch is set, make the communication channel of toggle switch consistent with the mailing address of corresponding light fixture;
(2) light fixture is set to host mode, light fixture is as signal source, and arrange toggle switch and make external radio transceiver be transmission state, control signal is sent by external radio transceiver by the host data of light fixture;
(3) light fixture is set to DMX pattern, arrange toggle switch and make external radio transceiver be accepting state, external radio transceiver inputs as signal source, and light fixture exports and driving LED lamp according to receiving wireless data.
7. a kind of LED lamp wireless control method according to claim 6, it is characterized in that: the another kind of substitute mode of described step (2) is: light fixture is set to DMX pattern, access wired DMX512 signal, DMX512 controls platform as signal source, and external radio transceiver is gone out the wired DMX512 data being input to light fixture by wireless transmission.
8. a kind of LED lamp wireless control method according to claim 6, it is characterized in that: in described step (3), light fixture and DMX512 are controlled platform and are connected, light fixture exports to LED according to receiving wireless data, and the data of external radio transceiver are forwarded out by wired DMX512 control platform.
9. a kind of LED lamp wireless control method according to claim 6, is characterized in that: external radio transceiver needs when carrying out transfer of data are encrypted, and the process of encryption is:
(1) when external radio transceiver connects light fixture,
(2) first external radio transceiver produces the random number that a group in system beat is 30 bytes of seed, and produce the School Affairs of 30 bytes, the high-low position of School Affairs is placed on the 31st and 32 bytes, then is encrypted these 32 bytes by AES encryption algorithm;
(3) by the baud rate of serial ports 250K, Mark Code be 3, Start Code is 28, length is 32 bytes, this is organized the data of having encrypted and sends out;
(4) if light fixture is not responded, then every 25 milliseconds of wireless transceiver repeats to send this group data;
(5) if light fixture has response, then external radio transceiver will receive its Mark Code, Start Code and data, and Mark Code is 3, Start Code is 28, the length of reception is 32 bytes; 32 byte datas received are decrypted by AES decipherment algorithm; 30 decrypted data summations above and the 31st, 32 bytes are compared, equal, then data are correct; Otherwise data are wrong.
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| CN201510370800.7A CN104902655B (en) | 2015-06-30 | 2015-06-30 | The control method of LED lamp wireless control system |
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| CN201510370800.7A CN104902655B (en) | 2015-06-30 | 2015-06-30 | The control method of LED lamp wireless control system |
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| CN104902655B CN104902655B (en) | 2017-11-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105208752A (en) * | 2015-11-02 | 2015-12-30 | 广州市亮艺照明设备有限公司 | LED lamp wireless control system and method |
| CN106773907A (en) * | 2016-11-25 | 2017-05-31 | 歌尔股份有限公司 | A kind of Remote I/O Control System and its controller and I/O module |
| US10019893B2 (en) | 2016-08-11 | 2018-07-10 | Chauvet & Sons, Llc | Apparatus for wireless transmission of control data |
| CN110392476A (en) * | 2019-08-28 | 2019-10-29 | 东莞市科雅电子科技有限公司 | Wired, wireless master & slave control system between a kind of lamp and lamp |
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| CN201893971U (en) * | 2010-11-12 | 2011-07-06 | 北京朗波尔光电股份有限公司 | Light emitting diode (LED) landscape lamp control system based on general packet radio service (GPRS) and data mining extensions (DMX) 512 |
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| US20050289279A1 (en) * | 2004-06-24 | 2005-12-29 | City Theatrical, Inc. | Power supply system and method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105208752A (en) * | 2015-11-02 | 2015-12-30 | 广州市亮艺照明设备有限公司 | LED lamp wireless control system and method |
| CN105208752B (en) * | 2015-11-02 | 2018-11-09 | 广州市亮艺照明设备有限公司 | A kind of LED lamp wireless control system and control method |
| US10019893B2 (en) | 2016-08-11 | 2018-07-10 | Chauvet & Sons, Llc | Apparatus for wireless transmission of control data |
| CN106773907A (en) * | 2016-11-25 | 2017-05-31 | 歌尔股份有限公司 | A kind of Remote I/O Control System and its controller and I/O module |
| CN110392476A (en) * | 2019-08-28 | 2019-10-29 | 东莞市科雅电子科技有限公司 | Wired, wireless master & slave control system between a kind of lamp and lamp |
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| CN104902655B (en) | 2017-11-07 |
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Effective date of registration: 20230531 Address after: 528400 No. 55, zhongzhun Road, Cuiheng New District, Zhongshan City, Guangdong Province (residence declaration) Patentee after: GUANGDONG YIRI LIGHTING TECHNOLOGY CO.,LTD. Address before: No. 37 Xinhua Industrial Avenue, Huadu District, Guangzhou City, Guangdong Province, 510800 Patentee before: GUANGZHOU LITEWISE LIGHTING EQUIPMENTS Co.,Ltd. |