CN110351928B - DC intelligent lighting centralized control method - Google Patents
DC intelligent lighting centralized control method Download PDFInfo
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- CN110351928B CN110351928B CN201910642426.XA CN201910642426A CN110351928B CN 110351928 B CN110351928 B CN 110351928B CN 201910642426 A CN201910642426 A CN 201910642426A CN 110351928 B CN110351928 B CN 110351928B
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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Abstract
The invention discloses a direct current intelligent illumination centralized control method. A direct current intelligent lighting centralized control method comprises the following steps: acquiring the power of A rectifying modules; judging whether a rectifier module fails according to the power of each rectifier module, if so, determining the number B of the failed rectifier modules, wherein B is a natural number smaller than A; and controlling the current of each LED unit in the rest A-B LED units which are not failed to be A/(A-B) times of the current when the LED units are not failed. The invention has the following beneficial effects: (1) the original LED lamp is supplied with 220V alternating current, the AC/DC power supply conversion circuit and the constant current circuit are arranged inside the lamp, the external rectifying module is arranged corresponding to the LED units one by one, when the rectifying module goes wrong, the rectifying module is directly replaced, the maintenance is convenient, and the overhaul is convenient.
Description
Technical Field
The invention relates to the field of direct current lighting, in particular to a direct current intelligent lighting centralized control method.
Background
An led (light emitting diode) lighting is a semiconductor solid state light emitting device. The solid semiconductor chip is used as a luminescent material, and the carriers are compounded in the semiconductor to release excess energy to cause photon emission, so that red, yellow, blue and green light is directly emitted. An illumination device manufactured by using an LED as a light source is an LED lamp. The LED lamp is widely applied to factory lighting at present.
The traditional technology has the following technical problems:
the LED lamp is supplied with 220V alternating current, and the AC/DC power supply conversion circuit and the constant current circuit are both included in the lamp. The service life of the LED lamp usually reaches to be longer than that of the AC/DC power supply at present. The service life of the LED lamp is short, and the LED lamp is not beneficial to the illumination of a factory building.
Disclosure of Invention
The invention aims to provide a direct-current intelligent illumination centralized control method.
In order to solve the technical problem, the present invention provides a centralized control method for dc intelligent lighting, wherein a lighting system for the centralized control method for dc intelligent lighting comprises a mains switch, a rectifier modules controlled by the mains switch, and a LED units powered by the rectifier modules for dc, wherein the rectifier modules rectify an ac mains into a dc, and the dc is configured to have a constant voltage but a variable current; the rectification modules correspond to the LED units one by one, and A is a natural number not less than 2; the method comprises the following steps:
acquiring the power of A rectifying modules;
judging whether a rectifier module fails according to the power of each rectifier module, if so, determining the number B of the failed rectifier modules, wherein B is a natural number smaller than A;
and controlling the current of each LED unit in the rest A-B LED units which are not failed to be A/(A-B) times of the current when the LED units are not failed.
In one embodiment, "obtaining power from a number of rectifier modules" includes:
obtaining the current and voltage of A rectifying modules;
and calculating the power of the A rectifying modules.
In one embodiment, "determining whether a rectifier module fails according to the power of each rectifier module" specifically includes: and judging whether the power of the rectifier module is zero or not.
In one embodiment, "determining the number B of failed rectifier modules" specifically includes determining the number B of failed rectifier modules by the number of rectifier modules with zero power.
In one embodiment, the remaining A-B LED units are "controlled" such that the current of each LED unit is A/(A-B) times the current of the remaining LED units without failure. And in the method, a control signal is output in a wireless control mode to control the current output by the rectifying module.
In one embodiment, the remaining A-B LED units are "controlled" such that the current of each LED unit is A/(A-B) times the current of the remaining LED units without failure. And in the process, a control signal is output in a Bluetooth mode to control the current output by the rectifying module.
In one embodiment, the remaining A-B LED units are "controlled" such that the current of each LED unit is A/(A-B) times the current of the remaining LED units without failure. And outputting a control signal in a zigbee mode to control the current output by the rectifying module.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods when executing the program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of any of the methods.
A processor for running a program, wherein the program when running performs any of the methods.
The invention has the beneficial effects that:
(1) the original LED lamp is supplied with power by 220V alternating current, an AC/DC power supply conversion circuit and a constant current circuit are included in the lamp, an external rectifying module is adopted to correspond to an LED unit one by one at present, when the rectifying module has a problem, the rectifying module is directly replaced, the maintenance is convenient, and the overhaul is convenient;
(2) judging whether the rectifying module fails or not by directly collecting the power of the rectifying module;
(3) when the rectifier module fails, the output direct current is improved by changing the current of the rest normal rectifier modules under the condition that the output direct current voltage is not changed, so that the luminous power of all the LED units is basically kept unchanged, and the illumination brightness of the whole plant is basically unchanged.
Drawings
Fig. 1 is a schematic structural diagram of a lighting system for which the dc intelligent lighting centralized control method of the present invention is used.
Fig. 2 is a flow chart of the dc intelligent lighting centralized control method of the present invention.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 and 2, a dc intelligent lighting centralized control method for a lighting system includes a mains switch 100, a rectifying modules 200 controlled by the mains switch, and a LED units 300 dc-powered by the rectifying modules, wherein the rectifying modules rectify ac mains into dc, and the dc is configured to have a constant voltage but a variable current; the rectification modules correspond to the LED units one by one, and A is a natural number not less than 2; the method comprises the following steps:
and S110, acquiring the power of the A rectifying modules.
Specifically, "obtaining power of a rectifier modules" includes: obtaining the current and voltage of A rectifying modules; and calculating the power of the A rectifying modules. It is understood that other methods may be adopted to obtain the power of the a rectifier modules, and the power of the a rectifier modules in this application refers to the power of each rectifier module.
And S120, judging whether the rectifier modules fail or not according to the power of each rectifier module, and if so, determining the number B of the failed rectifier modules, wherein B is a natural number smaller than A.
Specifically, the "judging whether the rectifier module fails according to the power of each rectifier module" specifically includes: and judging whether the power of the rectifier module is zero or not. Whether the power of one rectifier module is zero or not means that the power of at least one rectifier module is zero, and the condition that one rectifier module in the A rectifier modules is failed is explained.
Specifically, "determining the number B of failed rectifier modules" specifically includes determining the number B of failed rectifier modules by the number of rectifier modules whose power is zero. That is, the number of failed rectifier modules is known by counting the number of rectifier modules with zero power among the a rectifier modules.
And S130, controlling the current of each LED unit in the rest A-B LED units which are not failed to be A/(A-B) times of that of the LED units which are not failed.
It will be appreciated that "controlling the remaining A-B LED units that are not disabled, each LED unit has a current that is A/(A-B) times that of the remaining LED units that are not disabled. The control signal can be output in a wireless control mode to control the current output by the rectifying module.
Specifically, "control the remaining A-B LED units without failure, each LED unit has a current A/(A-B) times that of the A/(A-B) unit without failure. And in the process, a control signal is output in a Bluetooth mode to control the current output by the rectifying module.
Specifically, "control the remaining A-B LED units without failure, each LED unit has a current A/(A-B) times that of the A/(A-B) unit without failure. And outputting a control signal in a zigbee mode to control the current output by the rectifying module.
Of course, it will be understood that "controlling the remaining A-B LED units that are not disabled, each LED unit has a current that is A/(A-B) times that of the remaining LED units that are not disabled. "in, the control signal may also be output in an effective control manner to control the current output by the rectifier module. That is to say, the present application does not limit which control method is specifically adopted to send out the control signal, so as to achieve the purpose of controlling the current output by the rectifier module.
Through changing the current of the rest normal rectifying modules, under the condition that the output direct-current voltage is not changed, the output direct-current is improved, the luminous power of all the LED units is basically kept unchanged, and the illumination brightness of the whole factory building is basically unchanged.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods when executing the program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of any of the methods.
A processor for running a program, wherein the program when running performs any of the methods.
The invention has the beneficial effects that:
(4) the original LED lamp is supplied with power by 220V alternating current, an AC/DC power supply conversion circuit and a constant current circuit are included in the lamp, an external rectifying module is adopted to correspond to an LED unit one by one at present, when the rectifying module has a problem, the rectifying module is directly replaced, the maintenance is convenient, and the overhaul is convenient;
(5) judging whether the rectifying module fails or not by directly collecting the power of the rectifying module;
(6) when the rectifier module fails, the output direct current is improved by changing the current of the rest normal rectifier modules under the condition that the output direct current voltage is not changed, so that the luminous power of all the LED units is basically kept unchanged, and the illumination brightness of the whole plant is basically unchanged.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (1)
1. A DC intelligent lighting centralized control method is characterized in that a lighting system for which the DC intelligent lighting centralized control method is used comprises a mains switch, A rectifying modules controlled by the mains switch and A LED units powered by the rectifying modules in a direct current mode, wherein the rectifying modules rectify an alternating mains supply into a direct current mode, and the direct current mode is configured to have a constant voltage but a variable current; the rectifier modules are externally arranged and correspond to the LED units one by one, and A is a natural number not less than 2; the method comprises the following steps:
acquiring the power of A rectifying modules;
judging whether a rectifier module fails according to the power of each rectifier module, if so, determining the number B of the failed rectifier modules, wherein B is a natural number smaller than A;
controlling the current of each LED unit in the rest A-B LED units which are not failed to be A/(A-B) times of that of the LED units which are not failed;
wherein, obtaining the power of A rectifying modules comprises:
obtaining the current and voltage of A rectifying modules;
calculating the power of A rectifying modules;
the step of determining whether the rectifier module fails according to the power of each rectifier module specifically includes: judging whether the power of a rectifying module is zero or not;
the step of determining the number B of failed rectifier modules specifically includes determining the number B of failed rectifier modules by the number of rectifier modules with zero power;
in the step of controlling the current of each LED unit in the remaining A-B LED units which are not failed to be A/(A-B) times of the current of each LED unit which is not failed, a control signal is output in a wireless control mode to control the current output by the rectifying module; the wireless control mode is Bluetooth or zigbee.
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| CN201910642426.XA CN110351928B (en) | 2019-07-16 | 2019-07-16 | DC intelligent lighting centralized control method |
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| CN201910642426.XA CN110351928B (en) | 2019-07-16 | 2019-07-16 | DC intelligent lighting centralized control method |
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| CN110351928A CN110351928A (en) | 2019-10-18 |
| CN110351928B true CN110351928B (en) | 2020-09-29 |
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| CN101959345A (en) * | 2009-07-13 | 2011-01-26 | 台达电子工业股份有限公司 | Current balanced power supply circuit of multiple groups of direct current (DC) loads |
| CN102238768A (en) * | 2010-04-26 | 2011-11-09 | 旭丽电子(广州)有限公司 | Light-emitting diode (LED) backlight source driving module |
| CN102461343A (en) * | 2009-05-29 | 2012-05-16 | Lg伊诺特有限公司 | LED driver |
| JP2012190792A (en) * | 2011-02-22 | 2012-10-04 | Cyber Coin Kk | Fluorescent lamp type led lighting device |
| CN106455223A (en) * | 2016-11-02 | 2017-02-22 | 广东工业大学 | Power supply fault control method, management system and LED direct current centralized power supply system |
| CN109041367A (en) * | 2018-06-28 | 2018-12-18 | 上海亚明照明有限公司 | Intelligent lighting control system, method, medium, terminal, Intelligent lamp and intelligent gateway |
-
2019
- 2019-07-16 CN CN201910642426.XA patent/CN110351928B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102461343A (en) * | 2009-05-29 | 2012-05-16 | Lg伊诺特有限公司 | LED driver |
| CN101959345A (en) * | 2009-07-13 | 2011-01-26 | 台达电子工业股份有限公司 | Current balanced power supply circuit of multiple groups of direct current (DC) loads |
| CN102238768A (en) * | 2010-04-26 | 2011-11-09 | 旭丽电子(广州)有限公司 | Light-emitting diode (LED) backlight source driving module |
| JP2012190792A (en) * | 2011-02-22 | 2012-10-04 | Cyber Coin Kk | Fluorescent lamp type led lighting device |
| CN106455223A (en) * | 2016-11-02 | 2017-02-22 | 广东工业大学 | Power supply fault control method, management system and LED direct current centralized power supply system |
| CN109041367A (en) * | 2018-06-28 | 2018-12-18 | 上海亚明照明有限公司 | Intelligent lighting control system, method, medium, terminal, Intelligent lamp and intelligent gateway |
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| CN110351928A (en) | 2019-10-18 |
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