CN117255443B - LED constant-current dimming color temperature-adjusting power supply system and control method - Google Patents
LED constant-current dimming color temperature-adjusting power supply system and control method Download PDFInfo
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Abstract
The invention discloses an LED constant-current dimming color temperature regulating power supply system and a control method, which relate to the technical field of LED dimming color temperature regulating, and comprise an LED dimming control unit, a plurality of intelligent dimming color temperature regulating modules, a multi-channel electric control switch, a redundant intelligent dimming color temperature regulating module, a redundant access switch, a plurality of dimming feedback control modules based on photosensitive sensing elements and a lamp assembly. The intelligent dimming color temperature adjusting module is used for adjusting the illumination intensity and the color temperature of the specific LED lamp corresponding to the intelligent dimming color temperature adjusting module; in the process of dimming and color temperature adjustment, a smoother dimming mode is adopted, if abrupt change type illumination intensity change and color temperature change caused by faults or abnormal voltage and current of the intelligent dimming color temperature adjustment module occur, the redundant intelligent dimming color temperature adjustment module is adopted to replace the abnormal intelligent dimming color temperature adjustment module to adjust the dimming color temperature, and the smoothness and the fineness of illumination intensity adjustment and color temperature adjustment are further ensured.
Description
Technical Field
The invention relates to the technical field of LED dimming and color temperature adjustment, in particular to an LED constant-current dimming and color temperature adjustment power supply system and a control method.
Background
Along with the progress of science and technology, the lamp accuse technique is constantly developed, and the LED power of adjusting luminance of comparatively economy and cheapness adopts remote control, adjustable colour temperature, accent luminance etc. and shortcoming is intelligent degree inadequately, and the control of LED light mainly relies on the manual work to realize, and the regulation change of LED's luminance and colour temperature is unsmooth enough, experiences the sense relatively poor, especially to public places such as hotel, meeting, if adopt the manual work to adjust luminance, obviously can not satisfy the demand.
Any LED device, if it is to be made to replace a light source or LED lamp, requires a driver to achieve dimming. Because LEDs are low voltage dc sources, LEDs require an electronic driver to convert ac to usable and adjustable dc current. These drivers are divided into two dimming modes. In Pulse Width Modulation (PWM) mode, the current through the LED is switched on and off at a very high frequency, typically thousands of times per second, which is equal to the average current over the LED switching period. The average current or the effective current can be reduced by reducing the energizing time of the LED, thereby reducing the brightness of the LED.
LEDs, like conventional light sources, may also be dimmed by means of a Constant Current Reduction (CCR), otherwise known as analog dimming. The CCR maintains a continuous current flow through the light source, but dimming is achieved by reducing the current amplitude, the light output being proportional to the current through the LED device.
Therefore, the intelligent dimming solution of the LED lamps in large batches such as hotels can make public areas, halls, banquet halls and other areas fully available. The intelligent control system achieves independent control, grouping control, broadcasting control and the like to perform one-key switching on a full hotel scene, light modulation is fine and smooth, and the warm dimming effect of each resident customer experience is a technical scheme which needs to be solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides an LED constant-current dimming color temperature-regulating power supply system and a control method. The following technical scheme is adopted:
the utility model provides a LED constant current adjusts luminance mixing of colors temperature electrical power generating system, includes LED adjusts luminance control unit, a plurality of intelligent dimming mixing of colors temperature module, multichannel automatically controlled switch, redundant intelligent dimming mixing of colors temperature module, redundant switch-in, a plurality of dimming feedback control module and the lamps and lanterns subassembly based on sensitization sensing element, LED adjusts luminance control unit respectively with a plurality of intelligent dimming mixing of colors temperature module, multichannel automatically controlled switch, redundant intelligent dimming mixing of colors temperature module and redundant switch-in control connection, be used for sending respectively to a plurality of intelligent dimming mixing of colors temperature module and adjust luminance Wen Zhiling, a plurality of intelligent dimming mixing of colors temperature module respectively with each LED lamps and lanterns communication connection of lamps and lanterns subassembly through multichannel automatically controlled switch-in, redundant intelligent dimming mixing of colors temperature module is connected with each LED lamps and lanterns communication of lamps and lanterns subassembly through redundant switch-in respectively, a plurality of dimming feedback control module monitors the illumination intensity variation value and the colour temperature variation value of each LED lamps and lanterns of lamps and lanterns subassembly respectively, set up the differential threshold that adjusts luminance variation, when judging LED lamps and lanterns are greater than the differential threshold value of variation in the process, send the unusual signal of adjusting luminance to LED dimming control unit, send out the LED lamp and adjust luminance variation signal to the corresponding to LED lamp assembly, the LED lamp assembly adjusts luminance variation command is adjusted luminance through the redundant switch-in the multichannel automatically controlled switch-in, the LED dimming control module is adjusted luminance abnormal, the LED is adjusted color temperature to the abnormal, and the LED is adjusted by the LED control module is adjusted to the abnormal.
By adopting the technical scheme, a user can input dimming and toning Wen Zhiling through the LED dimming control unit, the LED dimming control unit transmits a control instruction to the corresponding intelligent dimming and toning temperature module through the multi-channel electric control switch, and the intelligent dimming and toning temperature module corresponds to the illumination intensity and the color temperature of a specific LED lamp for controlling the lamp assembly;
in the dimming and toning temperature process, a smoother dimming mode is adopted, a dimming feedback control module is adopted for one-to-one monitoring of illumination intensity and color temperature change in the whole dimming process, if abrupt change of illumination intensity and color temperature change caused by faults or abnormal voltage and current of the intelligent dimming toning temperature module occurs, the corresponding dimming feedback control module is considered to be abnormal, at the moment, the LED dimming control unit needs to correct dimming control instructions, the abnormal dimming channel corresponding to the multipath electric control switch is disconnected and the redundant switch is connected, and the redundant intelligent dimming toning temperature module is adopted for replacing the abnormal intelligent dimming toning temperature module to perform dimming and toning temperature, so that the independent control can be met, the smoothness and fineness of illumination intensity regulation and color temperature regulation are further ensured on the basis of grouping control, and people in the place can not basically feel the dimming process of illumination and color temperature.
Optionally, the LED dimming control unit includes intelligent mobile dimming terminal, broadcasting formula dimming command terminal and dimming center server, intelligent mobile dimming terminal and broadcasting formula dimming command terminal are connected with dimming center server communication respectively, intelligent mobile dimming terminal pre-installation dimming control software, the staff is to the wireless transmission LED dimming palette temperature scheme instruction of dimming center server through the dimming interface of dimming control software, the LED dimming palette temperature scheme instruction includes adjustment region selection instruction, whole dimming command, whole dimming temperature instruction, individual dimming command, individual palette temperature instruction, dimming rate instruction and palette temperature rate instruction, dimming center server is connected with a plurality of intelligent dimming palette temperature modules respectively, multichannel automatically controlled switch, redundant intelligent dimming palette temperature module and redundant access switch control, broadcasting formula dimming command terminal includes broadcasting sound collection microphone matrix, sound analysis module and broadcasting sound command generation module, broadcasting sound collection microphone matrix sets up the place position that each LED of lamps and lanterns subassembly was arranged for gather broadcasting sound data, and transmit for sound analysis module, sound analysis module and broadcasting palette command generation module communication connection, sound analysis module generates sound command generation module and broadcasting palette 35 and broadcasting palette command generation module corresponds with the basis of the corresponding and adjusts luminance of a database 35to the controller and adjusts luminance 35.
By adopting the technical scheme, the command input of the LED dimming control unit is generally realized by adopting an intelligent mobile dimming terminal, the intelligent mobile dimming terminal can be a smart phone or a customized intelligent terminal, different commands can be clearly selected at a dimming interface, for example, a dimming area such as a hall, for example, all corridor lamps can be integrally dimmed, grouping control, independent control and the like can be realized, the control of dimming and color temperature adjustment can be quantitatively selected, the operation is more convenient and visual, the output of the command can be connected with a dimming center server in a wireless mode, and the wireless can be transmitted in a wired connection mode based on a 4G or 5G wireless transmission module;
for the atmosphere type dimming and color temperature adjusting schemes of a meeting place, a hotel and the like corresponding to the broadcast dimming instruction terminal, specifically, the dimming and color temperature adjusting scheme can be performed according to the broadcast music melody with specific settings, and better atmosphere sense can be created.
Optionally, the intelligent dimming and toning temperature module comprises a DALI main controller, a dimming constant current driver and a dimming constant current toning driver, wherein a data input end of the DALI main controller is in communication connection with an instruction output end of the dimming center server, a data output end of the DALI main controller is in communication connection with the dimming constant current driver and the dimming constant current toning driver respectively, and the dimming constant current driver and the dimming constant current toning driver are in communication connection with a control input end of the lamp component respectively.
Optionally, the intelligent dimming and toning temperature module further comprises a magnetic attraction dimming controller, a magnetic attraction toning controller, a dimming constant voltage driver and a dimming constant voltage toning driver, wherein control input ends of the magnetic attraction dimming controller, the magnetic attraction toning controller, the dimming constant voltage driver and the dimming constant voltage toning driver are respectively in communication connection with the DALI main controller, and control output ends thereof are respectively in communication connection with control input ends of the lamp assembly.
Optionally, the redundant intelligent dimming color temperature adjusting module is consistent with the intelligent dimming color temperature adjusting module in structure.
Optionally, the lamp assembly includes a plurality of LED shot-lights, a plurality of LED lamp area and a plurality of LED ceiling lamp, and constant current driver and the constant current of adjusting luminance mixing of colors driver of adjusting luminance are used for adjusting the LED ceiling lamp respectively, and the magnetism is inhaled the dimming controller and is inhaled the mixing of colors controller and be used for adjusting the LED shot-light respectively, and constant voltage driver and the constant voltage mixing of colors driver of adjusting luminance are used for adjusting the LED lamp area respectively.
Through adopting above-mentioned technical scheme, the structure of adjusting luminance of intelligent dimming color temperature module and redundant intelligent dimming color temperature module all distributes the instruction based on DALI main control unit, and specific dimming and color temperature instruction adopt constant current driver and constant current color adjustment driver of adjusting luminance respectively according to the difference of lamps and lanterns subassembly, and the magnetic attraction adjusts luminance controller and magnetic attraction color adjustment controller, adjusts luminance constant voltage driver and adjusts luminance constant voltage color adjustment driver and adjusts luminance and color temperature, can realize smoother dimming effect.
Optionally, the feedback control module of adjusting luminance includes mounting box body, illumination intensity sensor, colour temperature sensor, analog input module and adjusts luminance analysis chip, the lateral wall in the radiation scope of LED shot-light, LED lamp area, LED ceiling lamp is installed to one side of mounting box body, and the opposite side of mounting box body is equipped with a plurality of light openings, illumination intensity sensor and colour temperature sensor install respectively in the mounting box body, and illumination intensity value and colour temperature value are measured respectively to the light based on the light of light opening to pass through analog input module and transmit for the analysis chip of adjusting luminance, the analysis chip of adjusting luminance judges whether adjust luminance is unusual based on the change difference threshold value of adjusting luminance of setting, and the analysis chip of adjusting luminance and center server communication connection of adjusting luminance.
Through adopting above-mentioned technical scheme, the purpose that dimming feedback control module will reach is to the monitoring of specific LED shot-light, LED lamp area, LED ceiling lamp's illumination intensity value and colour temperature value, when adjusting luminance and mixing of colors temperature action, the LED lamp that corresponds can be according to the scheme of adjusting luminance, illumination intensity and colour temperature smoothly change according to the scheme of adjusting luminance, if change abnormality appears, then need feed back to adjust luminance center server and modify the instruction of adjusting luminance.
Optionally, the redundant access switch is an electronically controlled switch.
A control method of an LED constant-current dimming color temperature-adjusting power supply adopts an LED constant-current dimming color temperature-adjusting power supply system to adjust light and adjust color temperature of a lamp component, and comprises the following steps:
step 1, a worker wirelessly transmits an LED dimming and color temperature adjusting scheme instruction to a dimming center server at a dimming interface of dimming control software of an intelligent mobile dimming terminal;
step 2, the dimming center server transmits the LED dimming and color temperature adjusting scheme instruction to the corresponding intelligent dimming and color temperature adjusting module through the multi-channel electric control switch;
step 3, the intelligent dimming and color temperature adjusting module adjusts the dimming and color temperature according to the dimming object lamp component;
step 4, the dimming feedback control module monitors the illumination intensity value and the color temperature value of the lamp assembly, judges whether dimming is abnormal or not based on the comparison result of the change of the illumination intensity value and the color temperature value and the dimming change difference threshold, and normally performs dimming and color temperature adjustment if the change of the illumination intensity value and the color temperature value is smaller than the dimming change difference threshold;
and step 5, if the change of the illumination intensity value and the color temperature value is larger than the dimming change difference threshold value, feeding back the change to the dimming center server, controlling the abnormal dimming passage of the multi-path electric control switch to be disconnected by the dimming center server, controlling the redundant intelligent dimming color temperature adjusting module to be connected into the lamp assembly through the redundant access switch, and dimming and color temperature adjusting the abnormal LED lamp.
Optionally, in step 4, the dimming analysis chip interacts with the dimming center server to analyze the LED dimming and toning temperature scheme instruction data, and set the pre-dimming illumination intensity as La, the pre-dimming color temperature as Ca, the target illumination intensity represented by the LED dimming and toning temperature scheme instruction data as Lb, the target color temperature as Cb, the dimming time as t, dividing t into units, and the dimming variation of each unit time as follows，/>The amount of change in color temperature per unit time is +.>，The time span of each comparison data is +.>，/>Let the illumination intensity value monitored by the illumination intensity sensor at the initial time be Lc, the color temperature value monitored by the color temperature sensor be Cc, the interval time +.>Then, the measured illumination intensity value is Ld, the monitored color temperature value is Cd, and the illumination monitoring change value is +.>Let the illuminance dimming variation difference threshold be Ya, if any +.>If the illuminance is larger than Ya, the illuminance is considered to be abnormal in dimming;
color temperature monitoring change valueLet the illuminance dimming variation difference threshold be Yb, if any +.>If the color temperature is larger than Yb, the color temperature dimming is considered abnormal;
if the illuminance dimming abnormality or the color temperature dimming abnormality exists, the dimming feedback control module outputs an abnormal dimming signal to the dimming center server.
In summary, the present invention includes at least one of the following beneficial technical effects:
the invention can provide a LED constant-current dimming color temperature-regulating power supply system and a control method, a user can input dimming color tone Wen Zhiling through an LED dimming control unit, the LED dimming control unit transmits a control instruction to a corresponding intelligent dimming color temperature-regulating module through a multi-channel electric control switch, and the intelligent dimming color temperature-regulating module corresponds to the illumination intensity and color temperature of a specific LED lamp;
in the process of dimming and color temperature adjustment, a smoother dimming mode is adopted, a dimming feedback control module is adopted for one-to-one monitoring of illumination intensity and color temperature change in the whole dimming process, if abrupt change of illumination intensity and color temperature change caused by faults or abnormal voltage and current of an intelligent dimming color temperature adjustment module occur, an LED dimming control unit is used for replacing an abnormal intelligent dimming color temperature adjustment module with a redundant intelligent dimming color temperature adjustment module to perform dimming color temperature adjustment through disconnection of an abnormal dimming passage and connection of a redundant access switch of a multi-channel electric control switch, so that on the basis of meeting independent control and grouping control, smoothness and fineness of illumination intensity adjustment and color temperature adjustment are further ensured, and people in a place can not basically feel the adjusting process of illumination and color temperature.
Drawings
FIG. 1 is a schematic diagram of the connection principle of an electric device of an LED constant current dimming color temperature regulating power supply system;
fig. 2 is a schematic diagram of the connection principle of an electric device of an LED dimming control unit of the LED constant current dimming and color temperature regulating power supply system of the present invention;
fig. 3 is a schematic diagram of the connection principle of the electric device of the dimming feedback control module of the LED constant current dimming and color temperature power supply system of the present invention.
Reference numerals illustrate: 1. an LED dimming control unit; 11. an intelligent mobile dimming terminal; 12. a broadcast dimming command terminal; 121. a broadcast sound collection microphone matrix; 122. a sound analysis module; 123. a broadcast sound instruction generation module; 13. a dimming center server; 21. a DALI master controller; 22. a dimming constant current driver; 23. a dimming constant current palette driver; 24. a magnetic dimming controller; 25. a magnetic attraction color mixing controller; 26. a dimming constant voltage driver; 27. a dimming constant voltage palette driver; 3. redundant intelligent dimming and temperature adjusting modules; 4. a redundant access switch; 5. a dimming feedback control module; 51. installing a box body; 52. an illumination intensity sensor; 53. a color temperature sensor; 54. an analog input module; 55. a dimming analysis chip; 6. a lamp assembly; 61. an LED spotlight; 62. an LED lamp strip; 63. LED ceiling lamp; 7. a multi-path electric control switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention discloses an LED constant-current dimming color temperature regulating power supply system and a control method.
Referring to fig. 1-3, embodiment 1, an LED constant current dimming and toning temperature power supply system, including an LED dimming control unit 1, a plurality of intelligent dimming and toning temperature modules, a multi-channel electric control switch 7, a redundant intelligent dimming and toning temperature module 3, a redundant switch-in switch 4, a plurality of dimming feedback control modules 5 based on photosensitive sensing elements and a lamp assembly 6, wherein the LED dimming control unit 1 is respectively in control connection with the plurality of intelligent dimming and toning temperature modules, the multi-channel electric control switch 7, the redundant intelligent dimming and toning temperature module 3 and the redundant switch-in switch 4, and is used for respectively sending dimming and toning Wen Zhiling to the plurality of intelligent dimming and toning temperature modules, the plurality of intelligent dimming and toning temperature modules are respectively in communication connection with each LED lamp of the lamp assembly 6 through the multi-channel electric control switch 7, the redundant intelligent dimming and toning temperature module 3 is respectively in communication connection with each LED lamp of the lamp assembly 6 through the redundant switch-in switch 4, the plurality of dimming and toning feedback control modules 5 respectively monitor the process intensity variation values and color temperature variation values of each LED lamp of the lamp assembly 6, and set up variation difference thresholds are respectively, when judging that the LED lamp illumination intensity variation values and color temperature variation values are larger than the variation values in the process are larger than the variation color temperature variation values, the LED lamp is correspondingly sent out to the intelligent dimming and the LED lamp assembly 1, and the redundant intelligent dimming and toning temperature module 1 is corresponding to the abnormal, and the abnormal color temperature control module is sent to the LED module and the abnormal, and sends out abnormal LED dimming control command signal to the LED dimming and the LED control module.
The user can input dimming and toning Wen Zhiling through the LED dimming control unit 1, the LED dimming control unit 1 transmits a control instruction to a corresponding intelligent dimming and toning temperature module through the multi-channel electric control switch 7, and the intelligent dimming and toning temperature module corresponds to the illumination intensity and the color temperature of a specific LED lamp for controlling the lamp assembly 6;
in the dimming and toning temperature process, a smoother dimming mode is adopted, a dimming feedback control module 5 is adopted for one-to-one monitoring of illumination intensity and color temperature change in the whole dimming process, if abrupt change of illumination intensity and color temperature change caused by faults or abnormal voltage and current of the intelligent dimming toning temperature module occurs, the corresponding dimming feedback control module 5 is considered to be abnormal, at the moment, the LED dimming control unit 1 needs to correct dimming control instructions, the multi-channel electric control switch 7 corresponds to the disconnection of an abnormal dimming channel and the connection of the redundant access switch 4, and the redundant intelligent dimming toning temperature module 3 is adopted for replacing the abnormal intelligent dimming toning temperature module to perform dimming and toning temperature, so that the smoothness and the fineness of illumination intensity regulation and color temperature regulation can be further ensured on the basis of meeting independent control and grouping control, and personnel in a place can not basically feel the dimming process of illumination and color temperature.
Embodiment 2, the LED dimming control unit 1 includes a smart mobile dimming terminal 11, a broadcast dimming command terminal 12, and a dimming center server 13, the smart mobile dimming terminal 11 and the broadcast dimming command terminal 12 are respectively in communication connection with the dimming center server 13, the smart mobile dimming terminal 11 is preloaded with dimming control software, a worker wirelessly transmits LED dimming and toning temperature scheme commands to the dimming center server 13 through a dimming interface of the dimming control software, the LED dimming and toning temperature scheme commands include a tuning region selection command, an overall dimming temperature command, an individual dimming command, an individual toning temperature command, a dimming rate command, and a toning temperature rate command, the dimming center server 13 is respectively in control connection with the plurality of intelligent dimming and color temperature adjusting modules, the multi-channel electric control switch 7, the redundant intelligent dimming and color temperature adjusting module 3 and the redundant access switch 4, the broadcast dimming command terminal 12 comprises a broadcast sound collecting microphone matrix 121, a sound analyzing module 122 and a broadcast sound command generating module 123, the broadcast sound collecting microphone matrix 121 is arranged at the place where each LED lamp of the lamp assembly 6 is arranged and is used for collecting broadcast sound data and transmitting the broadcast sound data to the sound analyzing module 122, the sound analyzing module 122 is in communication connection with the broadcast sound command generating module 123, and the broadcast sound command generating module 123 correspondingly adjusts the light and colors based on stored broadcast sound, generates the light and color adjusting Wen Zhiling and transmits the light and color adjusting Wen Zhiling to the dimming center server 13.
The command input of the LED dimming control unit 1 is generally realized by adopting an intelligent mobile dimming terminal 11, the intelligent mobile dimming terminal 11 can be a smart phone or a customized intelligent terminal, different commands can be clearly selected at a dimming interface by preassembling dimming control software, for example, a dimming area such as a hall, for example, all corridor lamps can be integrally dimmed, grouping control, independent control and the like can be realized, the control of dimming and the dimming temperature can be quantitatively selected, the operation is more convenient and visual, the command output can be connected with a dimming center server 13 in a wireless mode, and the wireless can be transmitted in a wired connection mode based on a 4G or 5G wireless transmission module;
for the broadcast dimming command terminal 12, the atmosphere type dimming and color temperature adjusting schemes such as a meeting place and a hotel are corresponding, specifically, the dimming and color temperature adjusting can be performed according to the broadcast music melody with specific setting, so that better atmosphere feeling can be created.
In embodiment 3, the intelligent dimming color temperature adjusting module includes a DALI main controller 21, a dimming constant current driver 22 and a dimming constant current color adjusting driver 23, wherein a data input end of the DALI main controller 21 is in communication connection with an instruction output end of the dimming center server 13, a data output end of the DALI main controller 21 is in communication connection with the dimming constant current driver 22 and the dimming constant current color adjusting driver 23, and the dimming constant current driver 22 and the dimming constant current color adjusting driver 23 are in communication connection with a control input end of the lamp assembly 6.
In embodiment 4, the intelligent dimming and color temperature adjusting module further includes a magnetic attraction dimming controller 24, a magnetic attraction color adjusting controller 25, a dimming constant voltage driver 26 and a dimming constant voltage color adjusting driver 27, wherein control input ends of the magnetic attraction dimming controller 24, the magnetic attraction color adjusting controller 25, the dimming constant voltage driver 26 and the dimming constant voltage color adjusting driver 27 are respectively in communication connection with the DALI main controller 21, and control output ends thereof are respectively in communication connection with control input ends of the lamp assembly 6.
Embodiment 5, the redundant intelligent dimming color temperature module 3 is identical to the intelligent dimming color temperature module in structure.
In embodiment 6, the lamp assembly 6 includes a plurality of LED downlights 61, a plurality of LED lamp strips 62 and a plurality of LED ceiling lamps 63, the dimming constant current driver 22 and the dimming constant current and color adjustment driver 23 are respectively used for adjusting the LED ceiling lamps 63, the magnetic attraction dimming controller 24 and the magnetic attraction color adjustment controller 25 are respectively used for adjusting the LED downlights 61, and the dimming constant voltage driver 26 and the dimming constant voltage and color adjustment driver 27 are respectively used for adjusting the LED lamp strips 62.
The intelligent dimming and toning temperature module and the redundant intelligent dimming and toning temperature module 3 are respectively based on the DALI main controller 21 to distribute instructions, and the specific dimming and toning temperature instructions respectively adopt a dimming constant current driver 22 and a dimming constant current toning driver 23 according to the difference of the lamp assembly 6, a magnetic attraction dimming controller 24 and a magnetic attraction toning controller 25, and a dimming constant voltage driver 26 and a dimming constant voltage toning driver 27 to dim and tone the temperature, so that a smoother dimming effect can be realized.
Embodiment 7, the dimming feedback control module 5 comprises a mounting box body 51, an illumination intensity sensor 52, a color temperature sensor 53, an analog input module 54 and a dimming analysis chip 55, wherein one side of the mounting box body 51 is mounted on a side wall within the radiation range of an LED spotlight 61, an LED lamp strip 62 and an LED ceiling lamp 63, a plurality of light holes are formed in the other side of the mounting box body 51, the illumination intensity sensor 52 and the color temperature sensor 53 are respectively mounted in the mounting box body 51, illumination intensity values and color temperature values are respectively measured based on light rays of the light holes, the illumination intensity values and the color temperature values are transmitted to the dimming analysis chip 55 through the analog input module 54, whether dimming is abnormal or not is judged by the dimming analysis chip 55 based on a set dimming change difference threshold, and the dimming analysis chip 55 is in communication connection with the dimming center server 13.
The purpose that the dimming feedback control module 5 needs to achieve is to monitor the illumination intensity value and the color temperature value of the specific LED spotlight 61, LED strip 62 and LED ceiling lamp 63, when dimming and color temperature adjustment actions are performed, the corresponding LED lamps will change smoothly according to the dimming scheme, if the change is abnormal, the illumination intensity and the color temperature need to be fed back to the dimming center server 13 to modify the dimming command.
The redundant access switch 4 is an electronically controlled switch.
Embodiment 8, a method for controlling a constant current dimming and color temperature adjusting power supply of an LED, which adopts a constant current dimming and color temperature adjusting power supply system of the LED to adjust the light and color temperature of a lamp assembly 6, comprises the following steps:
step 1, a worker wirelessly transmits an LED dimming and color temperature adjusting scheme instruction to a dimming center server 13 at a dimming interface of dimming control software of an intelligent mobile dimming terminal 11;
step 2, the dimming center server 13 transmits the LED dimming and toning temperature scheme instruction to the corresponding intelligent dimming and toning temperature module through the multi-channel electric control switch 7;
step 3, the intelligent dimming and color temperature adjusting module adjusts the dimming and color temperature according to the dimming object lamp component 6;
step 4, the dimming feedback control module 5 monitors the illumination intensity value and the color temperature value of the lamp assembly 6, judges whether dimming is abnormal or not based on the comparison result of the change of the illumination intensity value and the color temperature value and the dimming change difference threshold, and normally performs dimming and color temperature adjustment if the change of the illumination intensity value and the color temperature value is smaller than the dimming change difference threshold;
and step 5, if the change of the illumination intensity value and the color temperature value is larger than the dimming change difference threshold value, feeding back the change to the dimming center server 13, controlling the abnormal dimming passage of the multi-way electric control switch 7 to be disconnected by the dimming center server 13, controlling the redundant intelligent dimming color temperature module 3 to be connected into the lamp assembly 6 through the redundant access switch 4, and dimming the abnormal LED lamp.
Embodiment 9, the dimming analysis chip 55 interacts with the dimming center server 13 to analyze the LED dimming and toning scheme command data, and let La be the illumination intensity before dimming, ca be the color temperature before dimming, lb be the target illumination intensity represented by the LED dimming and toning scheme command data, cb be the target color temperature, t be the dimming time, divide t into 100 units, and the dimming variation per unit time is，/>The amount of change in color temperature per unit time is +.>，The time span of each comparison data is +.>，/>Let the illumination intensity value monitored by the illumination intensity sensor 52 at the initial time be Lc, the color temperature value monitored by the color temperature sensor 53 be Cc, the interval time +.>Then, the measured illumination intensity value is Ld, the monitored color temperature value is Cd, and the illumination monitoring change value is +.>Let the illuminance dimming variation difference threshold be Ya, if any +.>If the illuminance is larger than Ya, the illuminance is considered to be abnormal in dimming;
color temperature monitoring change valueLet the illuminance dimming variation difference threshold be Yb, if any +.>If the color temperature is larger than Yb, the color temperature dimming is considered abnormal;
if there is an abnormal illuminance dimming or color temperature dimming abnormality, the dimming feedback control module 5 outputs an abnormal dimming signal to the dimming center server 13.
The above embodiments are not intended to limit the scope of the present invention, and therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (9)
1. A control method for an LED constant-current dimming color temperature-adjusting power supply is characterized by comprising the following steps: the LED constant-current dimming and color temperature adjusting power supply system is adopted for dimming and color temperature adjusting of the lamp assembly (6), and comprises the following steps:
step 1, a worker wirelessly transmits an LED dimming and color temperature adjusting scheme instruction to a dimming center server (13) at a dimming interface of dimming control software of an intelligent mobile dimming terminal (11);
step 2, the dimming center server (13) transmits an LED dimming and color temperature adjusting scheme instruction to a corresponding intelligent dimming and color temperature adjusting module through a multi-channel electric control switch (7);
step 3, the intelligent dimming and color temperature adjusting module adjusts the dimming and color temperature according to the dimming object lamp component (6);
step 4, the dimming feedback control module (5) monitors the illumination intensity value and the color temperature value of the lamp assembly (6), judges whether dimming is abnormal or not based on the comparison result of the change of the illumination intensity value and the color temperature value and the dimming change difference threshold, and normally performs dimming and color temperature adjustment if the change of the illumination intensity value and the color temperature value is smaller than the dimming change difference threshold;
step 5, if the change of the illumination intensity value and the color temperature value is larger than the dimming change difference threshold value, feeding back the change to a dimming center server (13), controlling the abnormal dimming path of the multi-path electric control switch (7) to be disconnected by the dimming center server (13), controlling the redundant intelligent dimming and color temperature adjusting module (3) to be connected into the lamp component (6) through the redundant access switch (4), and performing dimming and color temperature adjusting on the abnormal LED lamp;
in step 4, the specific method is that the dimming analysis chip (55) interacts with the dimming center server (13) to obtain the LED dimming and toning temperature scheme instruction, the LED dimming and toning temperature scheme instruction data is analyzed, the illumination intensity before dimming is La, the color temperature before dimming is Ca, the target illumination intensity represented by the LED dimming and toning temperature scheme instruction data is Lb, the target color temperature is Cb, the dimming time is t, t is divided into 100 units, and the dimming variable quantity of each unit time is，/>The amount of change in color temperature per unit time is +.>，/>The time span of each comparison data is +.>，/>Let the illumination intensity value monitored by the illumination intensity sensor (52) at the initial time be Lc, the color temperature value monitored by the color temperature sensor (53) be Cc, the interval time +.>Then, the measured illumination intensity value is Ld, the monitored color temperature value is Cd, and the illumination monitoring change value is +.>Let the illuminance dimming variation difference threshold be Ya, if any +.>If the illuminance is larger than Ya, the illuminance is considered to be abnormal in dimming;
color temperature monitoring change valueLet the illuminance dimming change difference threshold be Yb, if anyIf the color temperature is larger than Yb, the color temperature dimming is considered abnormal;
if there is abnormal illuminance dimming or color temperature dimming, the dimming feedback control module (5) outputs an abnormal dimming signal to the dimming center server (13).
2. The method for controlling the constant-current dimming and color temperature-regulating power supply of the LED according to claim 1, wherein the method comprises the following steps of: the LED constant-current dimming and toning temperature power supply system comprises an LED dimming control unit (1), a plurality of intelligent dimming and toning temperature modules, a multi-channel electric control switch (7), a redundant intelligent dimming and toning temperature module (3), a redundant access switch (4), a plurality of dimming feedback control modules (5) based on photosensitive sensing elements and a lamp assembly (6), wherein the LED dimming control unit (1) is respectively in control connection with the plurality of intelligent dimming and toning temperature modules, the multi-channel electric control switch (7), the redundant intelligent dimming and toning temperature module (3) and the redundant access switch (4) and is used for respectively sending dimming and toning Wen Zhiling to the plurality of intelligent dimming and toning temperature modules, the plurality of intelligent dimming and toning temperature modules are respectively in communication connection with all LED lamps of the lamp assembly (6) through the multi-channel electric control switch (7), the redundant intelligent dimming and toning temperature module (3) is respectively in communication connection with all LED lamps of the lamp assembly (6) through the redundant access switch (4), the plurality of dimming feedback control modules (5) respectively monitor the dimming process illumination intensity change values and color temperature change values of all LED lamps of the lamp assembly (6), set change difference thresholds, and when the LED illumination intensity change values in the dimming and the LED illumination change in the dimming and toning temperature change in the dimming and the LED lamp assembly (6) correspondingly to the abnormal color temperature change thresholds, the LED illumination change in the dimming and the LED lamp assembly (1) correspondingly, the LED dimming control unit (1) corrects the dimming control instruction, controls the abnormal dimming channel of the multi-channel electric control switch (7) to be disconnected, controls the redundant intelligent dimming and color temperature adjusting module (3) to be connected into the lamp assembly through the redundant access switch (4), and adjusts the dimming and color temperature of the abnormal LED lamp.
3. The method for controlling the constant-current dimming and color temperature-regulating power supply of the LED according to claim 2, wherein the method comprises the following steps of: the LED dimming control unit (1) comprises an intelligent mobile dimming terminal (11), a broadcasting dimming command terminal (12) and a dimming center server (13), the intelligent mobile dimming terminal (11) and the broadcasting dimming command terminal (12) are respectively in communication connection with the dimming center server (13), the intelligent mobile dimming terminal (11) is preloaded with dimming control software, a worker wirelessly transmits LED dimming and toning temperature scheme commands to the dimming center server (13) through a dimming interface of the dimming control software, the LED dimming and toning temperature scheme commands comprise an adjustment area selection command, an integral dimming temperature command, an independent dimming command, an independent toning temperature command, a dimming rate command and a toning rate command, the dimming center server (13) is respectively in control connection with a plurality of intelligent dimming and toning temperature modules, a multi-way electric control switch (7), a redundant intelligent dimming color temperature module (3) and a redundant access switch (4), the broadcasting command terminal (12) comprises a broadcasting sound collection microphone matrix (121), a sound analysis module (122) and a broadcasting sound command generation module (123), the sound collection microphone matrix (121) is arranged at each position of the broadcasting microphone module (6) for generating sound analysis data, the sound collection module (122) is in communication with the broadcasting module (123), the broadcast sound instruction generation module (123) generates dimming and toning Wen Zhiling corresponding to the dimming and toning Wen Zhiling library based on the stored broadcast sound, and transmits to the dimming center server (13).
4. A method for controlling a constant current dimming and color temperature regulating power supply of an LED according to claim 3, wherein: the intelligent dimming and color temperature adjusting module comprises a DALI main controller (21), a dimming constant current driver (22) and a dimming constant current color adjusting driver (23), wherein the data input end of the DALI main controller (21) is in communication connection with the instruction output end of the dimming center server (13), the data output end of the DALI main controller (21) is in communication connection with the dimming constant current driver (22) and the dimming constant current color adjusting driver (23) respectively, and the dimming constant current driver (22) and the dimming constant current color adjusting driver (23) are in communication connection with the control input end of the lamp component (6) respectively.
5. The method for controlling the constant-current dimming and color temperature power supply of the LED according to claim 4, wherein the method comprises the following steps: the intelligent dimming and toning temperature module further comprises a magnetic dimming controller (24), a magnetic toning controller (25), a dimming constant voltage driver (26) and a dimming constant voltage toning driver (27), wherein control input ends of the magnetic dimming controller (24), the magnetic toning controller (25), the dimming constant voltage driver (26) and the dimming constant voltage toning driver (27) are respectively in communication connection with the DALI main controller (21), and control output ends thereof are respectively in communication connection with control input ends of the lamp assembly (6).
6. The method for controlling the constant-current dimming and color temperature power supply of the LED according to claim 5, wherein the method comprises the following steps: the redundant intelligent dimming color temperature adjusting module (3) is consistent with the intelligent dimming color temperature adjusting module in structure.
7. The method for controlling the constant-current dimming and color temperature power supply of the LED according to claim 6, wherein the method comprises the following steps: the lamp assembly (6) comprises a plurality of LED spotlight (61), a plurality of LED lamp strips (62) and a plurality of LED ceiling lamps (63), wherein a dimming constant current driver (22) and a dimming constant current and color mixing driver (23) are respectively used for adjusting the LED ceiling lamps (63), a magnetic dimming controller (24) and a magnetic color mixing controller (25) are respectively used for adjusting the LED spotlight (61), and a dimming constant voltage driver (26) and a dimming constant voltage and color mixing driver (27) are respectively used for adjusting the LED lamp strips (62).
8. The method for controlling the constant-current dimming and color temperature power supply of the LED according to claim 7, wherein the method comprises the following steps: the dimming feedback control module (5) comprises an installation box body (51), an illumination intensity sensor (52), a color temperature sensor (53), an analog quantity input module (54) and a dimming analysis chip (55), one side of the installation box body (51) is installed on a side wall in a radiation range of an LED spotlight (61), an LED lamp strip (62) and an LED ceiling lamp (63), a plurality of light holes are formed in the other side of the installation box body (51), the illumination intensity sensor (52) and the color temperature sensor (53) are respectively installed in the installation box body (51), illumination intensity values and color temperature values are respectively measured based on light rays of the light holes, the analog quantity input module (54) is used for transmitting the light rays to the dimming analysis chip (55), and the dimming analysis chip (55) judges whether the dimming is abnormal based on a set dimming change difference threshold value, and the dimming analysis chip (55) is in communication connection with a dimming center server (13).
9. The method for controlling the constant-current dimming and color temperature power supply of the LED according to claim 8, wherein the method comprises the following steps: the redundant access switch (4) is an electrically controlled switch.
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