CN112074044B - Parallel LED lamp control system and control method - Google Patents

Parallel LED lamp control system and control method Download PDF

Info

Publication number
CN112074044B
CN112074044B CN202011091557.2A CN202011091557A CN112074044B CN 112074044 B CN112074044 B CN 112074044B CN 202011091557 A CN202011091557 A CN 202011091557A CN 112074044 B CN112074044 B CN 112074044B
Authority
CN
China
Prior art keywords
mcu
coding
switch
led lamp
closed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011091557.2A
Other languages
Chinese (zh)
Other versions
CN112074044A (en
Inventor
赵文龙
李卫华
余磊
邓军
程亚丽
王胜
黄辉
李程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Minvol Technology Co ltd
Original Assignee
Shenzhen Minvol Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Minvol Technology Co ltd filed Critical Shenzhen Minvol Technology Co ltd
Priority to CN202011091557.2A priority Critical patent/CN112074044B/en
Publication of CN112074044A publication Critical patent/CN112074044A/en
Application granted granted Critical
Publication of CN112074044B publication Critical patent/CN112074044B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/165Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention provides a parallel LED lamp control system and a control method, wherein the LED lamp control system comprises a main MCU (1), a plurality of switches (2), a plurality of LED lamps and a data line (5), the main MCU (1) is connected with the data line (5), each LED lamp comprises an MCU (3) and an LED lamp body (4) connected with the MCU (3), the switches (2) are respectively connected with the main MCU (1), and the single switches (2) are correspondingly connected with the single MCUs (3) one by one. The invention has the beneficial effects that: the parallel LED lamp control system and the control method solve the problem of single-wire coding of single-wire parallel control, adopt single-wire parallel control, enable the frequency to reach 3Mbps, and enable the control pixel to reach 1536.

Description

Parallel LED lamp control system and control method
Technical Field
The invention relates to the field of lamps, in particular to a parallel LED lamp control system and a parallel LED lamp control method.
Background
In the prior art, 2 control modes exist for controlling an LED lamp, one is single-line control, but a special coding line is needed for coding, the control frequency is 250kbps, and the number of control points is 512; the second is two-wire parallel control, and can carry out coding through two wires, control the frequency of 250kbps and control the number of points of 512 (as shown in figure 1).
In summary, in the prior art, encoding and control of a plurality of LED lamps need one dedicated encoding line or are completed by two lines, which is troublesome in wiring and low in efficiency.
Disclosure of Invention
The invention provides a parallel LED lamp control system which comprises a main MCU, a plurality of switches, a plurality of LED lamps and a data line, wherein the main MCU is connected with the data line;
the main MCU: the MCU corresponding to the switch carries out self coding through the received coding signal instruction, and the coding is an address code written for the LED lamp; if the main MCU receives the control signal, the main MCU closes all the switches, and at the moment, all the LED lamps are controlled in parallel.
As a further improvement of the invention, the main MCU receives the coding signal and then issues a coding signal instruction, the first switch is closed first, the first MCU receives the coding signal instruction and then codes the first MCU, the closing time of the first switch is set, and then the first switch is disconnected; closing a second switch, receiving a coding signal instruction by a second MCU, coding the second MCU, closing the second switch for a set time, and then disconnecting the second switch; the method is adopted to code the following LED lamps in sequence until the MCU on the last LED lamp receives a coding signal instruction to complete the coding of the MCU.
As a further improvement of the invention, the set time is 200ms.
As a further improvement of the invention, the number of the switches, the MCU and the LED lamp bodies is 32 respectively.
The invention also discloses a parallel LED lamp control method, which comprises the following steps:
a signal receiving and judging step: the main MCU receives the signals and carries out ordered judgment according to the received signals, namely, whether the received signals are coding signals or control signals is judged;
and (3) encoding: after the main MCU receives the coding signals, the switches are controlled to be closed one by one through control, the MCU corresponding to the switches carries out self coding through the received coding signals, and the coding is used for writing address codes to the LED lamps;
a single-wire parallel control step: and after receiving the control signal, the main MCU closes all the switches, and realizes parallel control on all the LED lamps.
As a further improvement of the present invention, in the encoding step, specifically, the method includes:
the main MCU receives the coding signal and then issues a coding signal instruction, a first switch is closed, the first MCU receives the coding signal instruction and then codes the first MCU, the first switch is closed for a set time, and then the first switch is disconnected; closing a second switch, receiving a coding signal instruction by a second MCU, coding the second MCU, closing the second switch for a set time, and then disconnecting the second switch; and sequentially coding the subsequent LED lamps until the MCU on the last LED lamp receives a coding signal instruction to complete the coding of the MCU.
As a further improvement of the invention, the set time is 200ms.
The invention has the beneficial effects that: the parallel LED lamp control system and the control method solve the problem of single-wire coding of single-wire parallel control, adopt single-wire parallel control, and enable the frequency to reach 3Mbps and the control pixel to reach 1536.
Drawings
FIG. 1 is a functional block diagram of the background art;
fig. 2 is a schematic diagram of the structure of the LED lamp control system of the present invention.
Detailed Description
As shown in fig. 2, the invention discloses a parallel LED lamp control system, which includes a main MCU 1, a plurality of switches 2, a plurality of LED lamps, and a data line 5, wherein the main MCU 1 is connected to the data line 5, the LED lamps include an MCU 3 and LED lamp bodies 4 connected to the MCU 3, the plurality of switches 2 are respectively connected to the main MCU 1, and the single switches 2 are connected to the single MCUs 3 in a one-to-one correspondence.
The main MCU 1: the MCU 3 corresponding to the switch 2 carries out self coding through the received coding signal instruction, the coding is address code writing on the LED lamp, for example, the address code of the 1 st LED lamp is 1, the address code of the 2 nd LED lamp is 2, and the like until the address code of the last LED lamp is written; if the main MCU 1 receives a control signal, all the switches 2 are closed, and all the LED lamps are controlled in parallel.
The main MCU 1 receives the coding signal and then issues a coding signal instruction, the first switch 2 is closed, the first MCU 3 receives the coding signal instruction and then codes the first MCU, the first switch 2 is closed for a set time, and then the first switch 2 is disconnected; the second switch 2 is closed, the second MCU 3 codes the second MCU after receiving the coding signal instruction, the second switch 2 is closed for a set time, and then the second switch 2 is disconnected; and sequentially coding the following LED lamps until the MCU 3 on the last LED lamp receives a coding signal instruction to complete the coding of the LED lamps.
The set time is 200ms.
The number of the switches 2, the MCU 3 and the LED lamp bodies 4 is 32 respectively.
The invention completes the coding and control of a plurality of LED lamps through one data wire 5, and has the advantages of convenient wiring, rapid operation and high efficiency.
The invention also discloses a parallel LED lamp control method, which comprises the following steps:
a signal receiving and judging step: the main MCU 1 receives the signals, and carries out ordered judgment according to the received signals, and judges whether the received signals are coding signals or control signals.
And (3) encoding: after receiving the coding signals, the main MCU 1 controls the switches 2 to be closed one by one through control, the MCU 3 corresponding to the switches 2 carries out self coding through the received coding signals, and the coding is used for writing address codes for the LED lamps.
A single-wire parallel control step: after receiving the control signal, the main MCU 1 closes all the switches 2, and the main MCU 1 controls all the LED lamps in parallel.
In the encoding step, the method specifically includes:
the main MCU 1 receives the coding signal and then issues a coding signal instruction, the first switch 2 is closed, the first MCU 3 receives the coding signal instruction and then codes the first MCU, the first switch 2 is closed for a set time, and then the first switch 2 is disconnected; the second switch 2 is closed, the second MCU 3 codes the second MCU after receiving the coding signal instruction, the second switch 2 is closed for a set time, and then the second switch 2 is disconnected; and sequentially coding the following LED lamps until the MCU 3 on the last LED lamp receives a coding signal instruction to complete the coding of the LED lamps.
The set time is 200ms.
The invention has the beneficial effects that: the parallel LED lamp control system and the control method solve the problem of single-wire coding of single-wire parallel control, adopt single-wire parallel control, enable the frequency to reach 3Mbps, and enable the control pixel to reach 1536.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments and it is not intended to limit the invention to the specific embodiments described. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (5)

1. The utility model provides a parallelly connected LED lamps and lanterns control system which characterized in that: the LED lamp comprises a main MCU (1), a plurality of switches (2), a plurality of LED lamps and a data line (5), wherein the main MCU (1) is connected with the data line (5), each LED lamp comprises an MCU (3) and an LED lamp body (4) connected with the MCU (3), the switches (2) are respectively connected with the main MCU (1), and the switches (2) are correspondingly connected with the MCUs (3);
the main MCU (1): the MCU (3) corresponding to the switch (2) carries out self coding through the received coding signal instruction, and the coding is used for writing an address code for the LED lamp; if the main MCU (1) receives the control signal, all the switches (2) are closed, and the main MCU (1) realizes parallel control on all the LED lamps;
the main MCU (1) receives the coding signal and then issues a coding signal instruction, the first switch (2) is closed, the first MCU (3) receives the coding signal instruction and then codes the MCU, the first switch (2) is closed for a set time, and then the first switch (2) is opened; the second switch (2) is closed, the second MCU (3) codes the second MCU after receiving the coding signal instruction, the second switch (2) is closed for a set time, and then the second switch (2) is opened; and sequentially coding the following LED lamps until the MCU (3) on the last LED lamp receives a coding signal instruction to complete the coding of the MCU.
2. The LED luminaire control system of claim 1 wherein the set time is 200ms.
3. The LED luminaire control system of claim 1, wherein: the number of the switches (2), the MCU (3) and the LED lamp bodies (4) is 32 respectively.
4. A parallel LED lamp control method is characterized by comprising the following steps:
a signal receiving and judging step: the main MCU (1) receives signals, carries out ordered judgment according to the received signals and judges whether the received signals are coding signals or control signals;
and (3) encoding: after the main MCU (1) receives the coding signals, the switches (2) are controlled to be closed one by one through control, the MCU (3) corresponding to the switches (2) carries out self coding through the received coding signals, and the coding is used for writing address codes on the LED lamp;
a single-wire parallel control step: after receiving the control signal, the main MCU (1) closes all the switches (2), and the main MCU (1) realizes parallel control on all the LED lamps;
in the encoding step, the method specifically includes:
the main MCU (1) receives the coding signal and then issues a coding signal command, the first switch (2) is closed, the first MCU (3) receives the coding signal command and then codes the MCU, the first switch (2) is closed for a set time, and then the first switch (2) is disconnected; the second switch (2) is closed, the second MCU (3) codes the second MCU after receiving the coding signal command, the second switch (2) is closed for a set time, and then the second switch (2) is disconnected; and sequentially coding the following LED lamps until the MCU (3) on the last LED lamp receives a coding signal instruction to complete the coding of the MCU.
5. The LED lamp control method according to claim 4, wherein: the set time is 200ms.
CN202011091557.2A 2020-10-13 2020-10-13 Parallel LED lamp control system and control method Active CN112074044B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011091557.2A CN112074044B (en) 2020-10-13 2020-10-13 Parallel LED lamp control system and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011091557.2A CN112074044B (en) 2020-10-13 2020-10-13 Parallel LED lamp control system and control method

Publications (2)

Publication Number Publication Date
CN112074044A CN112074044A (en) 2020-12-11
CN112074044B true CN112074044B (en) 2023-01-24

Family

ID=73655443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011091557.2A Active CN112074044B (en) 2020-10-13 2020-10-13 Parallel LED lamp control system and control method

Country Status (1)

Country Link
CN (1) CN112074044B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114245516A (en) * 2021-11-09 2022-03-25 深圳市裕铭数智装备科技有限公司 Control system of LED lamp

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101222806A (en) * 2008-01-16 2008-07-16 上海高智机器人新技术合作公司 Method and device for automatically controlling lamps
CN101494936A (en) * 2008-12-19 2009-07-29 上海广茂达灯光景观工程有限公司 LED light control bus and control method
CN202503703U (en) * 2012-02-21 2012-10-24 一华半导体股份有限公司 Full-color LED lamp device with single-line transmission
CN103533694A (en) * 2012-07-02 2014-01-22 何伟军 Multi-path illumination controlling apparatus using two alternating-current power lines for realizing power supplying and controlling
CN103687228A (en) * 2013-12-06 2014-03-26 深圳市明微电子股份有限公司 Landscape decorative lamp system and address coding and display control method thereof
CN103731948A (en) * 2012-10-12 2014-04-16 明阳半导体股份有限公司 Lamp control chips, device, system and addressing method of lamp control chips
CN103916488A (en) * 2014-03-25 2014-07-09 深圳市明微电子股份有限公司 Method and device for bidirectional address configuration of parallel display control system
CN110062500A (en) * 2019-04-16 2019-07-26 杰华特微电子(杭州)有限公司 Power supply circuit control method, control circuit and power circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200950578A (en) * 2008-05-23 2009-12-01 Semisilicon Technology Corp Parallel-type single-line addressing lamp apparatus
CN110419267A (en) * 2017-03-09 2019-11-05 昕诺飞控股有限公司 For determining the equipment, system and method for the address of the component of arrangement in the structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101222806A (en) * 2008-01-16 2008-07-16 上海高智机器人新技术合作公司 Method and device for automatically controlling lamps
CN101494936A (en) * 2008-12-19 2009-07-29 上海广茂达灯光景观工程有限公司 LED light control bus and control method
CN202503703U (en) * 2012-02-21 2012-10-24 一华半导体股份有限公司 Full-color LED lamp device with single-line transmission
CN103533694A (en) * 2012-07-02 2014-01-22 何伟军 Multi-path illumination controlling apparatus using two alternating-current power lines for realizing power supplying and controlling
CN103731948A (en) * 2012-10-12 2014-04-16 明阳半导体股份有限公司 Lamp control chips, device, system and addressing method of lamp control chips
CN103687228A (en) * 2013-12-06 2014-03-26 深圳市明微电子股份有限公司 Landscape decorative lamp system and address coding and display control method thereof
CN103916488A (en) * 2014-03-25 2014-07-09 深圳市明微电子股份有限公司 Method and device for bidirectional address configuration of parallel display control system
CN110062500A (en) * 2019-04-16 2019-07-26 杰华特微电子(杭州)有限公司 Power supply circuit control method, control circuit and power circuit

Also Published As

Publication number Publication date
CN112074044A (en) 2020-12-11

Similar Documents

Publication Publication Date Title
CN112074044B (en) Parallel LED lamp control system and control method
CN109152133B (en) Post-coding method based on power supply line transmission control signal and address signal and LED module
CN101431848B (en) Control device, automatic fault reporting system and method
CN202183219U (en) Addressing parallel display drive circuit and system thereof
CN109831858A (en) A kind of intelligent illuminating system
CN203206524U (en) External-control RGB wall washer system
CN102510612A (en) LED (light-emitting diode) multi-stage drive circuit and transmission method of LED drive data
CN103839519A (en) Display driving circuit and system with same
CN107015507A (en) A kind of central controller integrates extension system
CN101466188A (en) Control device, system and method for automatically reporting fault
CN102338342A (en) Internal control type LED (light-emitting diode) nixie tube system and control method thereof
CN103220861B (en) Bi-wire lamp control system based on energy storage method
CN107426882A (en) LED and its intelligence control system
CN1996414A (en) Multi-control multi-remote control system and method therefor
CN202276524U (en) LED (light-emitting diode) multistage drive circuit
CN101111109A (en) Method for controlling color and brightness of LED and control system thereof
CN201341253Y (en) Control device and automatic fault reporting system
KR100870733B1 (en) Remote controller and control method of lighting apparatus
CN108646201B (en) Lamp fault detection feedback system
CN2927597Y (en) Luminescent diode network controlling system
CN201355878Y (en) System for implementing synchronous renovation
CN102116419A (en) LED (light emitting diode) system and method for communication of LED system power line carrier waves
CN201773493U (en) Traffic signal controller
CN107635306A (en) A kind of decoding apparatus based on LED control system and a kind of LED control system
CN201414243Y (en) Solar underground garage lighting network inductor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant