CN102595712A - System and method for controlling radiation of light-emitting diode (LED) focus lamp for stage - Google Patents
System and method for controlling radiation of light-emitting diode (LED) focus lamp for stage Download PDFInfo
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- CN102595712A CN102595712A CN2012100163809A CN201210016380A CN102595712A CN 102595712 A CN102595712 A CN 102595712A CN 2012100163809 A CN2012100163809 A CN 2012100163809A CN 201210016380 A CN201210016380 A CN 201210016380A CN 102595712 A CN102595712 A CN 102595712A
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Abstract
The invention discloses a system for controlling the radiation of a light-emitting diode (LED) focus lamp for a stage. A brightness signal output end of a central processing unit (CPU) of the system is connected with the LED lamp; a fan rotation speed signal output end of the CPU is connected with a fan; a temperature signal input end of the CPU is connected with a temperature sensor; and highest rotation speed setting module for each gear of the radiating fan is connected with the CPU. The control method comprises the following steps of: setting a plurality of radiating fan rotation speed gears; setting the highest rotation speed of each rotation speed gear of the radiating fan; monitoring the real-time temperature of the LED lamp through the temperature sensor, and sending the temperature signal to the CPU; according to the requirement of a field on noise, controlling the radiating fan to work at the corresponding radiating fan rotation speed gear through the CPU; judging whether the temperature of the LED lamp is continuously raised or not after the radiating fan adopts the highest rotation speed of the rotation speed gear to radiate the LED lamp, if not, keeping the current radiating fan rotation speed, and if so, controlling the LED lamp to reduce the brightness through the CPU; and if the temperature of the LED lamp is continuously raised, continuously reducing the brightness until the temperature of the LED lamp is not continuously raised. By the system, the noise of the field can be controlled while the temperature of the LED lamp is reduced.
Description
Technical field
The present invention relates to the light of stage technical field, be specifically related to a kind of stage with LED spotlight cooling control system and control method thereof.
Technical background
At present; Known great power LED (Light Emitting Diode; Light-emitting diode) light fixture generally adopts radiator fan to carry out forced heat radiation; And two states is also only opened and close to the control model of this radiator fan, can not regulate the rotating speed of radiator fan according to the heating situation of LED light fixture, strengthened energy consumption.Particularly can't select the maximum (top) speed of radiator fan according to the scene to the demand of noise control the local user who noise is had strict demand.Can produce serious noise pollution like this.
Summary of the invention
The objective of the invention is provides a kind of stage with LED spotlight cooling control system and control method thereof to above-mentioned technical problem, and this cooling control system can be when giving the cooling of LED light fixture, the noise that control is on-the-spot.
For realizing this purpose; The stage that the present invention designed comprises radiator fan and LED light fixture module with LED spotlight cooling control system, it is characterized in that: it also comprises CPU (Central Processing Unit; Central processing unit), each gear maximum speed of temperature sensor and radiator fan is provided with module; Wherein, the luminance signal output of CPU connects LED light fixture module, and the fan rotating speed signals output of CPU connects radiator fan; The temperature signal input of CPU connects the signal output part of temperature sensor, and each gear maximum speed of radiator fan is provided with the signal input part of the signal output part connection CPU of module.
The VT of said CPU is connected with display.
The signal input part of said CPU is connected with input keyboard.
In the technique scheme, it also comprises the radiator that is arranged on the LED light fixture module, and said radiator connects temperature sensor.
Above-mentioned stage is characterized in that with the cooling control method of LED spotlight cooling control system it comprises the steps:
Step 1: a plurality of radiating fan rotation speed gears are set in said CPU;
Step 2: the maximum speed that each rotating speed gear of the said radiator fan of module settings is set through each gear maximum speed of radiator fan;
Step 3: the real time temperature of said temperature sensor monitors LED light fixture module, and temperature signal passed to CPU;
Step 4: said CPU is according to the requirement of scene to noise, and the control radiator fan is operated in corresponding radiating fan rotation speed gear, and radiator fan dispels the heat to LED light fixture module under this rotating speed gear;
Step 5: after judging that said radiator fan adopts the maximum speed of above-mentioned rotating speed gear that LED light fixture module is dispelled the heat, whether the temperature of LED light fixture module continues to rise;
Step 6:, then keep existing radiating fan rotation speed to get final product if the temperature of the LED light fixture module in the step 5 does not continue to rise;
Step 7: if the temperature of the LED light fixture module in the step 5 continues to rise, then CPU control LED light fixture module reduces brightness;
Step 8: through the real time temperature of LED light fixture module after the reduction brightness in the temperature sensor monitors step 7, continue to reduce brightness if the temperature of LED light fixture module also continues to rise, till the temperature of LED light fixture module does not continue to rise.
In the technique scheme; Said radiating fan rotation speed gear has four; First grade of maximum speed of radiator fan is 1000 rev/mins; Second grade of maximum speed of radiator fan is 1200 rev/mins, and the third gear maximum speed of radiator fan is 1400 rev/mins, and the fourth speed maximum speed of radiator fan is 1600 rev/mins.
In the technique scheme; The noise that first grade of maximum speed of said radiator fan produces is 20dB; The noise that second grade of maximum speed of radiator fan produces is 24dB; The noise that the third gear maximum speed of radiator fan produces is 28dB, and the noise that the fourth speed maximum speed of radiator fan produces is 32dB.
The present invention module through CPU, temperature sensor, each gear maximum speed of radiator fan are set; Realized that the radiator fan maximum (top) speed that is provided with in advance according to the user limits and the heating situation of LED light fixture module; The rotating speed of radiator fan and the current brightness of LED light fixture module are controlled in real time; Reduce the operation energy consumption of radiator fan, guaranteed the security of operation of LED light fixture module.In addition, require extremely strict stage to noise especially, the present invention is provided with four radiating fan rotation speed gears, and the user can select suitable radiating fan rotation speed gear according to the requirement of different stages to noise.In sum, the present invention provides the approach of LED light fixture module operation noise being controlled under the different use occasions for the user.
Description of drawings
Fig. 1 is a control system structural representation of the present invention;
Fig. 2 is the logic diagram of control method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description:
Stage as shown in Figure 1 is with LED spotlight cooling control system; Comprise radiator fan and LED light fixture module; It comprises that also each gear maximum speed of CPU, temperature sensor and radiator fan is provided with module; Wherein, the luminance signal output of CPU connects LED light fixture module, and the fan rotating speed signals output of CPU connects radiator fan; The temperature signal input of CPU connects the signal output part of temperature sensor, and each gear maximum speed of radiator fan is provided with the signal input part of the signal output part connection CPU of module.The VT of CPU is connected with display.The signal input part of CPU is connected with input keyboard.
In the technique scheme, it also comprises the radiator that is arranged on the LED light fixture module, and said radiator connects temperature sensor.Radiator and radiator fan dispel the heat to LED light fixture module jointly.
When technique scheme was used, radiator fan was installed in by the LED light fixture module.
Above-mentioned stage is characterized in that with the cooling control method of LED spotlight cooling control system it comprises the steps:
Step 1: a plurality of radiating fan rotation speed gears are set in said CPU;
Step 2: the maximum speed that each rotating speed gear of the said radiator fan of module settings is set through each gear maximum speed of radiator fan;
Step 3: the real time temperature of said temperature sensor monitors LED light fixture module, and temperature signal passed to CPU;
Step 4: said CPU is according to the requirement of scene to noise; The control radiator fan is operated in corresponding radiating fan rotation speed gear (radiator fan is operated in the noise that this rotating speed gear produced and meets on-the-spot requirement to noise), and radiator fan dispels the heat to LED light fixture module under this rotating speed gear;
Step 5: after judging that said radiator fan adopts the maximum speed of above-mentioned rotating speed gear that LED light fixture module is dispelled the heat, whether the temperature of LED light fixture module continues to rise;
Step 6:, then keep existing radiating fan rotation speed to get final product if the temperature of the LED light fixture module in the step 5 does not continue to rise;
Step 7: if the temperature of the LED light fixture module in the step 5 continues to rise, then CPU control LED light fixture module reduces brightness;
Step 8: through the real time temperature of LED light fixture module after the reduction brightness in the temperature sensor monitors step 7, continue to reduce brightness if the temperature of LED light fixture module also continues to rise, till the temperature of LED light fixture module does not continue to rise.
In the technique scheme; The radiating fan rotation speed gear has four; First grade of maximum speed of radiator fan is 1000 rev/mins; Second grade of maximum speed of radiator fan is 1200 rev/mins, and the third gear maximum speed of radiator fan is 1400 rev/mins, and the fourth speed maximum speed of radiator fan is 1600 rev/mins.The noise that first grade of maximum speed of radiator fan produces is 20dB; The noise that second grade of maximum speed of radiator fan produces is 24dB; The noise that the third gear maximum speed of radiator fan produces is 28dB, and the noise that the fourth speed maximum speed of radiator fan produces is 32dB.
The course of work of the present invention is: the user is provided with the rank of radiator fan running speed according to the scene to the requirement of equipment operation noise, for example requires noise to be no more than 30dB, then should select the 3rd grade.
When the LED of equipment light fixture module was worked, its temperature was through being fixed on the temperature sensor collection on the radiator and feeding back among the CPU, and CPU comes to regulate automatically the speed of service of radiator fan according to the size of temperature value.
When the speed of service of radiator fan has reached the rank (as above the 3rd grade of speed of service in the example) that the user is provided with; And when the temperature of LED light fixture module still continues to rise; CPU will reduce the output brightness of LED light fixture module automatically; Because the output brightness of LED light fixture module and its caloric value have linear relationship, so this behave meeting reduces the operating temperature of LED light fixture module.When if the temperature of LED light fixture module still exceeds limits value, the output brightness that CPU will continue minimizing LED light fixture module meets the requirements until temperature.
More than design can avoid LED light fixture module because of the overheated damage that causes, and also guarantees that LED light fixture module operation noise is no more than the allowed band of environment for use simultaneously.
The content that this specification is not done to describe in detail belongs to this area professional and technical personnel's known prior art.
Claims (7)
1. a stage is with LED spotlight cooling control system; Comprise radiator fan and LED light fixture module; It is characterized in that: it comprises that also each gear maximum speed of CPU, temperature sensor and radiator fan is provided with module; Wherein, the luminance signal output of CPU connects LED light fixture module, and the fan rotating speed signals output of CPU connects radiator fan; The temperature signal input of CPU connects the signal output part of temperature sensor, and each gear maximum speed of radiator fan is provided with the signal input part of the signal output part connection CPU of module.
2. stage according to claim 1 is characterized in that with LED spotlight cooling control system: the VT of said CPU is connected with display.
3. stage according to claim 2 is characterized in that with LED spotlight cooling control system: the signal input part of said CPU is connected with input keyboard.
According to claim 1 or 2 or 3 described stages with LED spotlight cooling control system, it is characterized in that: it also comprises the radiator that is arranged on the LED light fixture module, said radiator connects temperature sensor.
5. a stage as claimed in claim 1 is characterized in that with the cooling control method of LED spotlight cooling control system it comprises the steps:
Step 1: a plurality of radiating fan rotation speed gears are set in said CPU;
Step 2: the maximum speed that each rotating speed gear of the said radiator fan of module settings is set through each gear maximum speed of radiator fan;
Step 3: the real time temperature of said temperature sensor monitors LED light fixture module, and temperature signal passed to CPU;
Step 4: said CPU is according to the requirement of scene to noise, and the control radiator fan is operated in corresponding radiating fan rotation speed gear, and radiator fan dispels the heat to LED light fixture module under this rotating speed gear;
Step 5: after judging that said radiator fan adopts the maximum speed of above-mentioned rotating speed gear that LED light fixture module is dispelled the heat, whether the temperature of LED light fixture module continues to rise;
Step 6:, then keep existing radiating fan rotation speed to get final product if the temperature of the LED light fixture module in the step 5 does not continue to rise;
Step 7: if the temperature of the LED light fixture module in the step 5 continues to rise, then CPU control LED light fixture module reduces brightness;
Step 8: through the real time temperature of LED light fixture module after the reduction brightness in the temperature sensor monitors step 7, continue to reduce brightness if the temperature of LED light fixture module also continues to rise, till the temperature of LED light fixture module does not continue to rise.
6. cooling control method according to claim 5; It is characterized in that: said radiating fan rotation speed gear has four; First grade of maximum speed of radiator fan is 1000 rev/mins; Second grade of maximum speed of radiator fan is 1200 rev/mins, and the third gear maximum speed of radiator fan is 1400 rev/mins, and the fourth speed maximum speed of radiator fan is 1600 rev/mins.
7. cooling control method according to claim 6; It is characterized in that: the noise that first grade of maximum speed of said radiator fan produces is 20dB; The noise that second grade of maximum speed of radiator fan produces is 24dB; The noise that the third gear maximum speed of radiator fan produces is 28dB, and the noise that the fourth speed maximum speed of radiator fan produces is 32dB.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100163809A CN102595712A (en) | 2012-01-17 | 2012-01-17 | System and method for controlling radiation of light-emitting diode (LED) focus lamp for stage |
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| CN2012100163809A CN102595712A (en) | 2012-01-17 | 2012-01-17 | System and method for controlling radiation of light-emitting diode (LED) focus lamp for stage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499953A (en) * | 2013-09-17 | 2014-01-08 | 深圳市朗恒电子有限公司 | Temperature control method and device and lighting system |
| CN106028531A (en) * | 2016-06-30 | 2016-10-12 | 广州市浩洋电子有限公司 | Adaptive control system and control method for temperature of LED stage lamp |
| CN107654914A (en) * | 2017-10-31 | 2018-02-02 | 江苏优为视界科技有限公司 | A kind of common rail floodlight |
| CN111140528A (en) * | 2019-12-24 | 2020-05-12 | 无锡艾柯威科技有限公司 | Control method for maximum rotating speed of fan motor |
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| CN101206024A (en) * | 2007-12-14 | 2008-06-25 | 广州市雅江光电设备有限公司 | Method for LED lamp IC working temperature |
| CN101932873A (en) * | 2007-09-07 | 2010-12-29 | 飞利浦固体状态照明技术公司 | Methods and apparatus for providing led-based spotlight illumination in stage lighting applications |
| CN202524598U (en) * | 2012-01-17 | 2012-11-07 | 佑图物理应用科技发展(武汉)有限公司 | Radiation control system for stage used LED spotlight |
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- 2012-01-17 CN CN2012100163809A patent/CN102595712A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2929960Y (en) * | 2006-04-24 | 2007-08-01 | 深圳市中柏电脑技术有限公司 | Heat sink with CPU temperature display function |
| CN101201632A (en) * | 2006-12-12 | 2008-06-18 | 英业达股份有限公司 | Method for controlling rotary speed of fan |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499953A (en) * | 2013-09-17 | 2014-01-08 | 深圳市朗恒电子有限公司 | Temperature control method and device and lighting system |
| CN106028531A (en) * | 2016-06-30 | 2016-10-12 | 广州市浩洋电子有限公司 | Adaptive control system and control method for temperature of LED stage lamp |
| CN107654914A (en) * | 2017-10-31 | 2018-02-02 | 江苏优为视界科技有限公司 | A kind of common rail floodlight |
| CN111140528A (en) * | 2019-12-24 | 2020-05-12 | 无锡艾柯威科技有限公司 | Control method for maximum rotating speed of fan motor |
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Application publication date: 20120718 |