CN111328164A - Online address writing method for LED lamp - Google Patents
Online address writing method for LED lamp Download PDFInfo
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- CN111328164A CN111328164A CN202010234758.7A CN202010234758A CN111328164A CN 111328164 A CN111328164 A CN 111328164A CN 202010234758 A CN202010234758 A CN 202010234758A CN 111328164 A CN111328164 A CN 111328164A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B44/00—Circuit arrangements for operating electroluminescent light sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an on-line address writing method for LED lamps, which comprises a control terminal, wherein the control terminal is connected with a plurality of LED lamps in single-wire transmission, each LED lamp is provided with a control chip, and an address unit and a charge pump unit are arranged in the control chip; the control terminal sends an instruction with an address code to the control chip of the first LED lamp, the control chip drives the charge pump unit to generate high voltage for the address unit to decode the address code, writing of a first address data string in the control chip of the first LED lamp is achieved, then the instruction with the address code and the first address data string are transmitted to the next LED lamp along a single line, and therefore writing of the last address data string in the control chip of the last LED lamp is achieved until the last LED lamp control chip receives the address data string and the instruction of the last LED lamp, and therefore online address writing of the LED lamp is achieved. The LED lamp can be installed in advance, and the address can be written once, so that the LED lamp has the advantages of time and labor saving and convenience in processing.
Description
The invention relates to the technical field of LED lamps, in particular to an online address writing method of an LED lamp.
Background
Urban lighting and holiday decorative lamps have been promoted from the decoration effect of only flashing lamps to intelligent applications of utilizing external signals to control demonstration patterns to present text information and the like. In order to accurately transmit the control signals to the individual LED lamps, the main controller needs to confirm the specific location and the corresponding address code of each LED lamp. Therefore, each LED lamp must be implanted with an independent address code to the control chip before being assembled into an integral lamp string, and an address needs to be written in the control chip, when the address is written, a storage component is arranged in the control chip, the address can be written in the chip by the component with high voltage, and the component is installed in a specified place one by one according to the address after the address is written, so that the problems of high processing difficulty and inconvenience in manufacturing are caused.
Disclosure of Invention
The invention aims to provide an online address writing method of an LED lamp. The LED lamp can be installed in advance, and the address can be written once, so that the LED lamp has the advantages of time and labor saving and convenience in processing.
The technical scheme of the invention is as follows: an online address writing method of an LED lamp comprises a control terminal, wherein the control terminal is connected with a plurality of LED lamps in single-wire transmission, each LED lamp is provided with a control chip, and an address unit and a charge pump unit are arranged in the control chip; the control terminal sends an instruction with an address code to a control chip of a first LED lamp, the control chip drives a charge pump unit to generate high voltage for an address unit to decode the address code of the instruction, writing a first address data string in the control chip of the first LED lamp is realized, then the instruction with the address code and the first address data string are transmitted to a next LED lamp along a single line, after the control chip of the next LED lamp receives the first address data string and the instruction, the charge pump unit is driven to generate high voltage for the address unit to decode the address code of the instruction, writing a second address data string in the control chip of a second LED lamp is realized, and therefore, after the last LED lamp control chip receives the address data string and the instruction of the previous LED lamp, the charge pump unit is driven to generate high voltage for the address unit to decode the address code of the instruction, and writing the last address data string in the control chip of the last LED lamp, thereby completing the online address writing of the LED lamp.
According to the method for writing the address on line of the LED lamp, an address line is arranged in a control chip of a first LED lamp in the LED lamps, the address line is connected with a control terminal, and the rest LED lamps are connected in series through single lines.
In the online address writing method for the LED lamps, a pull-up signal end is arranged in the control chip of the first LED lamp in the LED lamps, and the pull-up signal end is matched with the control terminal through the address line.
Compared with the prior art, the LED lamp control system has the advantages that the LED lamps are connected in a single-wire transmission mode, a charge pump unit is arranged in a control chip of each LED lamp and used for generating high voltage required by address writing, then an instruction with an address is sent to the control chip of a first LED lamp through a control terminal, the control chip drives the charge pump unit to generate high voltage which is used for decoding an address code of the instruction by an address unit, writing of a first address data string in the control chip of the first LED lamp is achieved, then the instruction with the address code and the first address data string are transmitted to a next LED lamp along with a single wire, after the control chip of the next LED lamp receives the first address data string and the instruction, the charge pump unit is driven to generate high voltage which is used for decoding the address code of the instruction by the address unit, and writing of a second address data string in the control chip of a second LED lamp is achieved, after the last LED lamp control chip receives the last address data string and the instruction, the charge pump unit is driven to generate high voltage to be used for the address unit to decode the address code of the instruction, and the last address data string is written into the last LED lamp control chip, so that the on-line address writing of the LED lamp is completed; therefore, the LED lamp can be connected in series in advance, and then all addresses can be written in once, so that the LED lamp is more convenient to install and process compared with the existing LED lamp in which the addresses are written by a single LED lamp and then the addresses are installed according to the addresses. According to the invention, the charge pump unit is arranged in the control chip of the LED lamp, and the high-voltage requirement required by address writing is provided by the charge pump unit, so that the address writing can be carried out without carrying out the LED lamp independently and then providing the control chip with a high voltage, and the convenience of address writing of the LED lamp is greatly improved. In addition, the address line is arranged in the control chip of the first LED lamp, the address line is connected with the control terminal, the other LED lamps are connected in series by single wires, then the control chip of the first LED lamp is internally provided with a pull-up signal end, and the pull-up signal end is matched with the control terminal through the address line, so that the control terminal can accurately identify and write the address code data string of the first LED lamp through one pull-up signal end, and the instruction can sequentially write the address of each LED lamp in a single wire transmission mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a voltage boost circuit diagram of a charge pump unit;
fig. 3 is a clock phase diagram.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the present invention is not limited thereto.
Example 1: an online address writing method for LED lamps is shown in figure 1 and comprises a control terminal, wherein the control terminal can adopt a DMX512 signal generator or a general controller on the market, the control terminal is connected with a plurality of LED lamps with single-wire transmission through a power data wire, each LED lamp is provided with a control chip, and an address unit and a charge pump unit are arranged in the control chip; the booster circuit diagram of the charge pump unit is shown in fig. 2, the clock phase diagram is shown in fig. 3, a control terminal sends an instruction with an address code to a control chip of a first LED lamp (L1 in fig. 1), the control chip drives the charge pump unit to increase the conventional 3.3V voltage to a high voltage of 10V, the high voltage is used for decoding the address code of the instruction by the address unit, writing of a first address data string in the control chip of the first LED lamp is realized, then the instruction with the address code and the first address data string are transmitted to a second LED lamp (L2 in fig. 1) along with a single wire, after the control chip of the second LED lamp receives the first address data string and the instruction, the charge pump unit is driven to generate the high voltage, the address code is decoded by the address unit, writing of a second address data string in the control chip of the second LED lamp is realized, then the instruction with the address code and the second address data string are transmitted to a third LED lamp (fig. 1) along with the single wire L3) in the third LED lamp, after receiving the second address data string and the instruction, the control chip of the third LED lamp drives the charge pump unit to generate high voltage for the address unit to decode the address code of the instruction, so as to write the third address data string in the control chip of the third LED lamp, and then drives the charge pump unit to generate high voltage for the address unit to decode the address code of the instruction until the last LED lamp control chip receives the address data string and the instruction of the previous LED lamp, so as to write the last address data string in the control chip of the last LED lamp, thereby completing the on-line address writing of the LED lamp.
Furthermore, an address line is arranged in a control chip of a first LED lamp in the LED lamps, the address line is connected with the control terminal, and address lines of the other LED lamps are connected in series in a single line. A pull-up signal end is arranged in a control chip of a first LED lamp in the LED lamps and is matched with a control terminal through an address line, the control terminal can accurately recognize and write in an address code data string of the first LED lamp through the pull-up signal end, and therefore an instruction can write the address of each LED lamp in sequence in a single-wire transmission mode.
In summary, the LED lamp can be connected in series in advance, and then all addresses can be written in once, so that the LED lamp is more convenient and convenient to process compared with the prior art that the addresses are written by a single LED lamp and then installed according to the addresses. According to the invention, the charge pump unit is arranged in the control chip of the LED lamp, and the high-voltage requirement required by address writing is provided by the charge pump unit, so that the address writing can be carried out without carrying out the LED lamp independently and then providing the control chip with a high voltage, and the convenience of address writing of the LED lamp is greatly improved.
Claims (3)
1. An online address writing method of an LED lamp is characterized in that: the LED lamp control system comprises a control terminal, wherein the control terminal is connected with a plurality of LED lamps in single-wire transmission, each LED lamp is provided with a control chip, and an address unit and a charge pump unit are arranged in each control chip; the control terminal sends an instruction with an address code to a control chip of a first LED lamp, the control chip drives a charge pump unit to generate high voltage for an address unit to decode the address code of the instruction, writing a first address data string in the control chip of the first LED lamp is realized, then the instruction with the address code and the first address data string are transmitted to a next LED lamp along a single line, after the control chip of the next LED lamp receives the first address data string and the instruction, the charge pump unit is driven to generate high voltage for the address unit to decode the address code of the instruction, writing a second address data string in the control chip of a second LED lamp is realized, and therefore, after the last LED lamp control chip receives the address data string and the instruction of the previous LED lamp, the charge pump unit is driven to generate high voltage for the address unit to decode the address code of the instruction, and writing the last address data string in the control chip of the last LED lamp, thereby completing the online address writing of the LED lamp.
2. The on-line address writing method for the LED lamp according to claim 1, wherein: an address line is arranged in a control chip of a first LED lamp in the LED lamps, the address line is connected with a control terminal, and the rest LED lamps are connected in series with a single line.
3. The on-line address writing method of the LED lamp according to claim 2, wherein: a pull-up signal end is arranged in a control chip of a first LED lamp in the LED lamps and is matched with a control terminal through an address line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010234758.7A CN111328164A (en) | 2020-03-30 | 2020-03-30 | Online address writing method for LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010234758.7A CN111328164A (en) | 2020-03-30 | 2020-03-30 | Online address writing method for LED lamp |
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| CN111328164A true CN111328164A (en) | 2020-06-23 |
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| CN202010234758.7A Pending CN111328164A (en) | 2020-03-30 | 2020-03-30 | Online address writing method for LED lamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074048A (en) * | 2020-09-16 | 2020-12-11 | 深圳市芯宇昊科技有限公司 | Power line control online addressing method and system without address line |
| CN113923825A (en) * | 2020-07-10 | 2022-01-11 | 深圳市达特照明股份有限公司 | Light circuit |
| CN114095478A (en) * | 2021-09-28 | 2022-02-25 | 崇义县精亿灯饰制品有限公司 | Address signal processing device for LED lamp |
| CN114913806A (en) * | 2021-01-29 | 2022-08-16 | 东莞市欧思科光电科技有限公司 | Drive chip, LED device and serial address writing method thereof |
| CN115334705A (en) * | 2022-08-12 | 2022-11-11 | 台州立发电子有限公司 | LED lamp adopting BUF module and address writing method |
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| CN104104748A (en) * | 2014-07-28 | 2014-10-15 | 四川九洲光电科技股份有限公司 | DMX512 protocol based LED (Light Emitting Diode) lamp address writing method |
| US20200088362A1 (en) * | 2018-09-18 | 2020-03-19 | Taizhou Jiaojiang Yingxing Electronic Co., Ltd. | Decorative LED Light String Structure and Assembling Method Thereof |
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2020
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| JP2000127497A (en) * | 1998-10-26 | 2000-05-09 | Sharp Corp | LED array controller |
| EP1338974A2 (en) * | 2000-10-03 | 2003-08-27 | Altima Communications, Inc. | Method and apparatus of inter-chip bus shared by message passing and memory access |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113923825A (en) * | 2020-07-10 | 2022-01-11 | 深圳市达特照明股份有限公司 | Light circuit |
| CN112074048A (en) * | 2020-09-16 | 2020-12-11 | 深圳市芯宇昊科技有限公司 | Power line control online addressing method and system without address line |
| CN112074048B (en) * | 2020-09-16 | 2023-03-24 | 深圳市芯宇昊科技有限公司 | Power line control online addressing method and system without address line |
| CN114913806A (en) * | 2021-01-29 | 2022-08-16 | 东莞市欧思科光电科技有限公司 | Drive chip, LED device and serial address writing method thereof |
| CN114913806B (en) * | 2021-01-29 | 2024-05-28 | 东莞市欧思科光电科技有限公司 | Driver chip, LED device and serial address writing method thereof |
| CN114095478A (en) * | 2021-09-28 | 2022-02-25 | 崇义县精亿灯饰制品有限公司 | Address signal processing device for LED lamp |
| CN114095478B (en) * | 2021-09-28 | 2023-11-07 | 崇义县精亿灯饰制品有限公司 | Address signal processing device for LED lamp |
| CN115334705A (en) * | 2022-08-12 | 2022-11-11 | 台州立发电子有限公司 | LED lamp adopting BUF module and address writing method |
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Application publication date: 20200623 |
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| RJ01 | Rejection of invention patent application after publication |