阅读说明：本技术 一种提高舞台放电灯使用寿命的散热系统和散热方法 (Heat dissipation system and heat dissipation method for prolonging service life of stage discharge lamp ) 是由 何伟峰 罗超良 艾元安 王本银 于 2019-09-27 设计创作，主要内容包括：一种提高舞台放电灯使用寿命的散热系统,散热系统包括散热模块和控制模块,控制模块包括时间基准单元；散热模块,对放电灯进行散热；控制模块,控制散热模块的开启；时间基准单元,计时并使控制模块延时开启散热模块,时间基准单元在放电灯开启时开始计时。一种散热方法,开启放电灯时,时间基准单元开始计时t<Sub>1</Sub>秒；计时完毕后,开启散热模块对放电灯进行散热。当点亮放电灯光源时,快速达到理想工作温度比冷热应力对光源寿命的影响更大,我们采用散热风机停转的方法让光源更快的升温,以延长放电灯光源的使用寿命,计时t<Sub>1</Sub>为本领域技术人员根据经验值设定的一个延时时间,比如10秒,10秒后放电灯光源基本处于理想工作温度。(A heat dissipation system for prolonging the service life of a stage discharge lamp comprises a heat dissipation module and a control module, wherein the control module comprises a time reference unit; a heat dissipation module for dissipating heat of the discharge lamp; the control module controls the opening of the heat dissipation module; and the time reference unit is used for timing and enabling the control module to delay to start the heat dissipation module, and starts timing when the discharge lamp is started. A heat dissipation method, when starting the discharge lamp, the time reference unit starts to time t 1 Second; and after the timing is finished, starting the heat dissipation module to dissipate the heat of the discharge lamp. When the discharge lamp light source is lighted, the ideal working temperature is quickly reached, and the influence of cold and hot stress on the service life of the light source is larger than that of the heat stress, the heat radiation fan is adopted to stop the operation, so that the temperature of the light source is quickly increased, the service life of the discharge lamp light source is prolonged, and the time t is timed 1 A delay time, for example 10 seconds, set by a person skilled in the art according to empirical values, after 10 seconds the lamp source is substantially at the desired operating temperature.)

1. The utility model provides an improve stage discharge lamp life's cooling system which characterized in that: the heat dissipation system comprises a heat dissipation module and a control module, wherein the control module comprises a time reference unit;

the heat dissipation module is used for dissipating heat of the discharge lamp;

the control module controls the opening of the heat dissipation module;

the time reference unit is used for timing and enabling the control module to delay to start the heat dissipation module, and the time reference unit starts timing when the discharge lamp is started.

2. The heat dissipation system for improving the service life of a stage discharge lamp as recited in claim 1, wherein: the control module also controls the stop of the heat dissipation module, the time reference unit starts timing when the discharge lamp is turned off, and the time reference unit times and enables the control module to turn off the heat dissipation module in a delayed mode.

3. The heat dissipation system for improving the service life of a stage discharge lamp as recited in claim 1, wherein: the heat dissipation module is a heat dissipation fan.

4. The heat dissipation system for improving the service life of a stage discharge lamp as recited in claim 1, wherein: the discharge lamp comprises a discharge bulb and a ballast, the control module is electrically connected with the ballast, and the control module controls the discharge bulb to be turned on or turned off by controlling the ballast.

5. The heat dissipation system for improving the service life of a stage discharge lamp as recited in claim 4, wherein: the ballast circuit also comprises a feedback module for feeding back the working state of the discharge lamp, wherein the feedback module detects the current of the ballast and is connected with the control module through RS-485.

6. The heat dissipation system for improving the service life of a stage discharge lamp as recited in claim 4, wherein: the control module and the feedback module are both single-chip microcomputers.

7. A heat dissipation method for improving the service life of a stage discharge lamp is characterized in that: comprises the following steps of (a) carrying out,

(1) when the discharge lamp is turned on, the time reference unit starts to time t₁Second;

(2) timing t₁After the second is finished, the heat dissipation module is started to dissipate heat of the discharge lamp;

time reference unit timing t₁Within seconds, the discharge lamp rapidly heats up and reaches the operating temperature.

8. The heat dissipation method according to claim 7, wherein: further comprising the steps of:

(3) when the discharge lamp is turned off, the time reference unit starts to count time t₂Second;

(4) timing t₂And after the second is finished, closing the heat dissipation module.

9. The heat dissipation method according to claim 8, wherein: the discharge lamp comprises a heat dissipation system, the heat dissipation system comprises a heat dissipation fan, a control module and a feedback module, the control module comprises a time reference unit, and the discharge lamp comprises a discharge bulb and a ballast;

the control module controls the delayed start or stop of the heat radiating fan, the control module controls the start or the stop of the discharge bubble by being connected with the ballast, the feedback module detects the current of the ballast to know the start and the stop states of the discharge bubble and feeds information back to the control module through RS-485, and the control module controls the operation of the heat radiating fan according to the information fed back by the feedback module.

Technical Field

The invention relates to the field of lighting of discharge lamps, in particular to a heat dissipation system and a heat dissipation method for prolonging the service life of a stage discharge lamp.

Background

The discharge lamp has the characteristics of high illumination intensity, selective radiation spectrum and the like, is widely applied to stage lighting, but compared with a cold light source such as an LED lamp, the local temperature of the light source of the discharge lamp is very high and often reaches about 800 ℃, so the service life of the discharge lamp is often influenced if reasonable heat dissipation cannot be carried out on the discharge lamp, and the unit price of the discharge lamp is often high, so that great waste is caused.

The Chinese patent application with the application number of 201610502459.0 discloses an LED stage lamp temperature self-adaptive control system and a control method, wherein a temperature sensor is arranged to detect the temperature of an LED lamp in real time, temperature gradients are arranged, each temperature gradient corresponds to different fan modes, and therefore reasonable heat dissipation is carried out on the LED lamp.

Disclosure of Invention

The invention aims to provide a heat dissipation system and a heat dissipation method for prolonging the service life of a stage discharge lamp, wherein the heat dissipation system has the characteristics of reasonable structure and reliable heat dissipation, and in order to achieve the aim, the invention adopts the following technical scheme:

a heat dissipation system for prolonging the service life of a stage discharge lamp comprises a heat dissipation module and a control module, wherein the control module comprises a time reference unit; the heat dissipation module is used for dissipating heat of the discharge lamp; the control module controls the opening of the heat dissipation module; the time reference unit is used for timing and enabling the control module to delay to start the heat dissipation module, and the time reference unit starts timing when the discharge lamp is started.

Further, the control module also controls the stop of the heat dissipation module, the time reference unit starts timing when the discharge lamp is turned off, and the time reference unit times and enables the control module to turn off the heat dissipation module in a delayed manner.

Further, the heat dissipation module is a heat dissipation fan.

Further, the discharge lamp comprises a discharge bulb and a ballast, the control module is electrically connected with the ballast, and the control module controls the discharge bulb to be turned on or turned off by controlling the ballast.

And the ballast further comprises a feedback module for feeding back the working state of the discharge lamp, and the feedback module detects the current of the ballast and is connected with the control module through RS-485.

Furthermore, the control module and the feedback module are both single-chip microcomputers.

A heat dissipation method for improving the service life of a stage discharge lamp comprises the following steps,

(1) when the discharge lamp is turned on, the time reference unit starts to time t₁Second;

(2) timing t₁After the second is finished, the heat dissipation module is started to dissipate heat of the discharge lamp;

time reference unit timing t₁Within seconds, the discharge lamp rapidly heats up and reaches the operating temperature.

Further, according to the heat dissipation method, the method further comprises the following steps:

(3) when the discharge lamp is turned off, the time reference unit starts to count time t₂Second;

(4 timing t₂And after the second is finished, closing the heat dissipation module.

Further, according to the above heat dissipation method, the discharge lamp includes a heat dissipation system, the heat dissipation system includes a heat dissipation fan, a control module, and a feedback module, the control module includes a time reference unit, and the discharge lamp includes a discharge bulb and a ballast; the control module controls the delayed start or stop of the heat radiating fan, the control module controls the start or the stop of the discharge bubble by being connected with the ballast, the feedback module detects the current of the ballast to know the start and the stop states of the discharge bubble and feeds information back to the control module through RS-485, and the control module controls the operation of the heat radiating fan according to the information fed back by the feedback module.

By adopting the technical scheme, when the light source of the discharge lamp is lightened, the ideal working temperature is quickly reached, the influence of the ideal working temperature on the service life of the light source is larger than the influence of cold and hot stress, the temperature of the light source is quickly increased by adopting a method of stopping the cooling fan, the service life of the light source of the discharge lamp is prolonged, and the time t is timed₁A delay time set by a person skilled in the art according to an empirical value, for example 10 seconds, after 10 seconds the light source of the discharge lamp is substantially at the ideal operating temperature, and then the heat dissipation fan is turned on. Here, avoided utilizing the complicated and unreliable temperature feedback system in discharge lamp environment, realized radiator fan's control, directly utilize experience to set up the time delay start-up time, often simpler, reliable.

When the light source of the discharge lamp is turned off, the light source loses working voltage and is in a higher temperature environment, and a delay turn-off time t is set₂Because the discharge lamp can be heated up temporarily when being closed, the heat radiation fan is closed in a delayed mode, the discharge lamp is cooled for a certain time and then stops rotating, then the light source of the discharge lamp is cooled to a lower temperature naturally, the cooling speed is low, cold and hot stress damage is reduced, and the service life of the light source of the discharge lamp can be effectively prolonged.

Drawings

FIG. 1 is a block diagram of the present invention.

Detailed Description

The present invention will be described with reference to specific embodiments.

As shown in fig. 1, a heat dissipation system for increasing the service life of a stage discharge lamp includes a heat dissipation module, a control module, and a feedback module.

The control module comprises a time reference unit, is preferably a singlechip and controls the on and off of the heat dissipation module and the on and off of the discharge lamp; and the time reference unit is used for timing and enabling the control module to delay to open or close the heat dissipation module.

The heat dissipation module dissipates heat of the discharge lamp, and the heat dissipation module in this embodiment is preferably a heat dissipation fan.

The discharge lamp comprises a discharge bulb and a ballast, the control module is electrically connected with the ballast, and the control module controls the discharge bulb to be turned on or turned off by controlling the ballast.

The feedback module is preferably a single chip microcomputer, and specifically, the feedback module detects the current of the ballast, is connected with the control module through RS-485, transmits the detected current information to the control module to judge whether the discharge lamp is turned on or off, and starts timing when the discharge lamp is turned on or turned off.

The heat dissipation method of the above embodiment is: the method comprises the following steps:

(1) when the discharge lamp is turned on, the time reference unit starts to time t₁Second, time reference unit count t₁In seconds, the discharge lamp rapidly rises and reaches the working temperature;

(2) after the timing is finished, starting a heat dissipation module to dissipate heat of the discharge lamp;

(3) when the discharge lamp is turned off, the time reference unit starts to count time t₂Second;

(4) timing t₂And after the second is finished, closing the heat dissipation module.

When the discharge lamp light source is lighted, the ideal working temperature is quickly reached, and the influence of cold and hot stress on the service life of the light source is larger than that of the heat stress, the heat radiation fan is adopted to stop the operation, so that the temperature of the light source is quickly increased, the service life of the discharge lamp light source is prolonged, and the time t is timed₁A delay time set by a person skilled in the art according to an empirical value, for example 10 seconds, after 10 seconds the light source of the discharge lamp is substantially at the ideal operating temperature, and then the heat dissipation fan is turned on. When the light source of the discharge lamp is turned off, the light source loses working voltage and is in a higher temperature environment, and a time delay is setClosing time t₂For example, 10 seconds, because the discharge lamp is heated up for a short time when the discharge lamp is just turned off, the cooling fan is turned off in a delayed manner, the discharge lamp is cooled for a certain time and then stops rotating, then the light source of the discharge lamp is naturally cooled to a lower temperature, the cooling speed is slower, the cold and hot stress damage is reduced, and the service life of the light source of the discharge lamp can be effectively prolonged.

By adopting the technical scheme, when the light source of the discharge lamp is lightened, the ideal working temperature is quickly reached, the influence of the ideal working temperature on the service life of the light source is larger than the influence of cold and hot stress, the temperature of the light source is quickly increased by adopting a method of stopping the cooling fan, the service life of the light source of the discharge lamp is prolonged, and the time t is timed₁A delay time set by a person skilled in the art according to an empirical value, for example 10 seconds, after 10 seconds the light source of the discharge lamp is substantially at the ideal operating temperature, and then the heat dissipation fan is turned on. Here, avoided utilizing the complicated and unreliable temperature feedback system in discharge lamp environment, realized radiator fan's control, directly utilize experience to set up the time delay start-up time, often simpler, reliable.

When the light source of the discharge lamp is turned off, the light source loses working voltage and is in a higher temperature environment, and a delay turn-off time t is set₂Because the discharge lamp can be heated up temporarily when being closed, the heat radiation fan is closed in a delayed mode, the discharge lamp is cooled for a certain time and then stops rotating, then the light source of the discharge lamp is cooled to a lower temperature naturally, the cooling speed is low, cold and hot stress damage is reduced, and the service life of the light source of the discharge lamp can be effectively prolonged.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications, combinations and variations may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.