CN201740962U - Intelligent cooling device of DLP (digital light processing) projector - Google Patents
Intelligent cooling device of DLP (digital light processing) projector Download PDFInfo
- Publication number
- CN201740962U CN201740962U CN2010202928002U CN201020292800U CN201740962U CN 201740962 U CN201740962 U CN 201740962U CN 2010202928002 U CN2010202928002 U CN 2010202928002U CN 201020292800 U CN201020292800 U CN 201020292800U CN 201740962 U CN201740962 U CN 201740962U
- Authority
- CN
- China
- Prior art keywords
- temperature
- cpu
- fan
- circuit
- projector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model discloses an intelligent cooling device of a DLP (digital light processing) projector comprising a temperature detection circuit which detects the temperature in a projector shell in real time, when the temperature in the projector shell exceeds the alarming ceiling temperature or is lower than the alarming floor temperature, the temperature detection circuit sends the temperature value to a CPU; the input end of the CPU is connected with the temperature detection circuit; the CPU generates a control instruction according to the temperature valve received and then outputs the control instruction to a fan rotation speed control circuit; the input end of the fan rotation speed control circuit is connected with the CPU; the fan rotation speed control circuit generates conditioning signals according to the control instruction received and outputs the conditioning signals to a fan motor; the input end of the fan motor is connected with the fan rotation speed control circuit; and the fan motor can adjust the self rotation speed according to the conditioning signals.
Description
Technical field
The utility model relates to a kind of DLP projector intelligent heat dissipation device.
Background technology
At present, projector has obtained greatly using in the middle of education and instruction, and common fan heat sink invariablenes turning speed and noise ratio are bigger, also can influence student's the notice of listening to the teacher except power consumption, and the feasible effect of giving lessons is bad; Projector normally moves a large amount of heat that devices such as back bulb, CPU will shed simultaneously, if can not discharge outside the machine, built-in temperature raises rapidly because of gathering a large amount of heats, long term device such as optical-mechanical system, colour wheel, bulb, CPU, fan are operated in the hot environment, easily aging, reduction of service life and influence the complete machine serviceability.
Summary of the invention
The purpose of this utility model provides a kind of intelligent heat dissipation device, can guarantee that projector is stable, energy-conservation for a long time, low noise work, and radiating effect is good.
For achieving the above object, the utility model provides following technical scheme, and it comprises:
Temperature sensing circuit, it detects the temperature in the projector shell in real time, and when the temperature in the projector shell surpassed the upper alarm threshold temperature or is lower than the lower alarm threshold temperature, temperature sensing circuit sent to CPU with this temperature value;
CPU, its input end connects temperature sensing circuit, and described CPU exports circuit for controlling speed of fan to after generating steering order according to the temperature value that receives;
Circuit for controlling speed of fan, its input end connects CPU, and described circuit for controlling speed of fan generates conditioning signal to fan electromotor according to the steering order that receives;
Fan electromotor, its input end connects circuit for controlling speed of fan, and described fan electromotor is regulated the rotating speed of self according to conditioning signal.
Described temperature sensing circuit is the temperature sensor that is positioned at the projector shell, and temperature sensor connects A/D converter, and A/D converter is connected to CPU.
Described A/D converter connects relatively amplifying circuit, and relatively the output terminal of amplifying circuit connects CPU.
Adopt the utility model of technique scheme, on original circuit, set up temperature sensing circuit and circuit for controlling speed of fan, the speed of realizing rotation speed of the fan at random in temperature height and changing, be that CPU obtains the built-in temperature value that temperature sensing circuit collects in good time, high low value according to temperature sends steering order control circuit for controlling speed of fan, realize the rotating speed adjustment of control fan, rotation speed of the fan was fast when promptly temperature was high, rotating speed intelligent frequency-conversion slowly when temperature is low.The utility model can also be discharged a large amount of heats that devices such as bulb, CPU produce rapidly in time except the advantage with energy-conserving and environment-protective, low noise.The experiment proved that this technology can effectively be discharged a large amount of heats that devices such as bulb, CPU produce in time, prolong the life-span of internal body critical component, guarantee reliably working steady in a long-term.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the process flow diagram of temperature detection in the utility model.
Embodiment
As shown in Figure 1, the utility model comprises temperature sensing circuit, CPU, circuit for controlling speed of fan and the fan electromotor that is connected successively.
Wherein, temperature sensing circuit detects the temperature in the projector shell in real time, and when the temperature in the projector shell surpassed the upper alarm threshold temperature or is lower than the lower alarm threshold temperature, temperature sensing circuit sent to CPU with this temperature value; CPU exports circuit for controlling speed of fan to after generating steering order according to the temperature value that receives; Circuit for controlling speed of fan generates conditioning signal to fan electromotor according to the steering order that receives; Fan electromotor is regulated the rotating speed of self according to conditioning signal.
Principle of work of the present utility model is:
As shown in Figure 2, projector is in the process of using, and CPU controls rotation speed of the fan according to the temperature value in the real-time machines of temperature sensing circuit.When temperature surpassed the upper alarm threshold temperature in temperature sensing circuit detects the projector shell, temperature sensing circuit can report CPU automatically with this value, and CPU can send out steering order to circuit for controlling speed of fan and heighten rotation speed of the fan, and the increasing exhaust amount is quickened heat radiation; In like manner: when temperature sensing circuit detects built-in temperature and is lower than the lower alarm threshold value, temperature sensing circuit can report CPU automatically with this value, CPU can send out steering order to circuit for controlling speed of fan and turn down rotation speed of the fan, reduces exhaust air rate, thereby realizes the intelligent frequency-conversion of rotation speed of the fan; Fan work energy-conserving and environment-protective like this, noise is low and long service life.
Claims (3)
1. DLP projector intelligent heat dissipation device is characterized in that it comprises:
Temperature sensing circuit, it detects the temperature in the projector shell in real time, and when the temperature in the projector shell surpassed the upper alarm threshold temperature or is lower than the lower alarm threshold temperature, temperature sensing circuit sent to CPU with this temperature value;
CPU, its input end connects temperature sensing circuit, and described CPU exports circuit for controlling speed of fan to after generating steering order according to the temperature value that receives;
Circuit for controlling speed of fan, its input end connects CPU, and described circuit for controlling speed of fan generates conditioning signal to fan electromotor according to the steering order that receives;
Fan electromotor, its input end connects circuit for controlling speed of fan, and described fan electromotor is regulated the rotating speed of self according to conditioning signal.
2. DLP projector intelligent heat dissipation device according to claim 1, it is characterized in that: described temperature sensing circuit is the temperature sensor that is positioned at the projector shell, and temperature sensor connects A/D converter, and A/D converter is connected to CPU.
3. DLP projector intelligent heat dissipation device according to claim 2 is characterized in that: described A/D converter connects relatively amplifying circuit, and relatively the output terminal of amplifying circuit connects CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202928002U CN201740962U (en) | 2010-08-16 | 2010-08-16 | Intelligent cooling device of DLP (digital light processing) projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202928002U CN201740962U (en) | 2010-08-16 | 2010-08-16 | Intelligent cooling device of DLP (digital light processing) projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201740962U true CN201740962U (en) | 2011-02-09 |
Family
ID=43556238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202928002U Expired - Fee Related CN201740962U (en) | 2010-08-16 | 2010-08-16 | Intelligent cooling device of DLP (digital light processing) projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201740962U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242726A (en) * | 2011-06-14 | 2011-11-16 | 深圳雅图数字视频技术有限公司 | Projector and method and system for controlling rotation speed of fan in projector |
| CN104317149A (en) * | 2014-10-09 | 2015-01-28 | 苏州佳世达光电有限公司 | Projection device |
| CN104808545A (en) * | 2015-03-05 | 2015-07-29 | 乐美益 | Mixer and control method thereof |
| CN105319815A (en) * | 2015-11-23 | 2016-02-10 | 西安中科晶像光电科技有限公司 | Intelligent focusing system capable of avoiding lens blur of projector |
| CN106935938A (en) * | 2017-03-29 | 2017-07-07 | 徐州工业职业技术学院 | A kind of battery temp controller |
| CN107368122A (en) * | 2017-08-08 | 2017-11-21 | 南京华讯方舟通信设备有限公司 | Laser-projector and for automatic temperature control system therein and control method |
| CN107942610A (en) * | 2017-11-28 | 2018-04-20 | 苏州佳世达光电有限公司 | Projector radiating control system and method |
| CN108678984A (en) * | 2018-04-09 | 2018-10-19 | 深圳市火乐科技发展有限公司 | A kind of autocontrol method and system based on projecting apparatus fan |
| CN110173455A (en) * | 2019-06-27 | 2019-08-27 | 徐州工业职业技术学院 | A kind of projector multi-function protector |
| CN114609851A (en) * | 2022-03-11 | 2022-06-10 | 深圳市中科创投科技有限公司 | Temperature adjusting circuit, temperature adjusting method, and projector |
-
2010
- 2010-08-16 CN CN2010202928002U patent/CN201740962U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242726A (en) * | 2011-06-14 | 2011-11-16 | 深圳雅图数字视频技术有限公司 | Projector and method and system for controlling rotation speed of fan in projector |
| CN102242726B (en) * | 2011-06-14 | 2014-06-11 | 深圳雅图数字视频技术有限公司 | Projector and method and system for controlling rotation speed of fan in projector |
| CN104317149A (en) * | 2014-10-09 | 2015-01-28 | 苏州佳世达光电有限公司 | Projection device |
| CN104317149B (en) * | 2014-10-09 | 2016-08-24 | 苏州佳世达光电有限公司 | Projection arrangement |
| CN104808545A (en) * | 2015-03-05 | 2015-07-29 | 乐美益 | Mixer and control method thereof |
| CN105319815A (en) * | 2015-11-23 | 2016-02-10 | 西安中科晶像光电科技有限公司 | Intelligent focusing system capable of avoiding lens blur of projector |
| CN106935938A (en) * | 2017-03-29 | 2017-07-07 | 徐州工业职业技术学院 | A kind of battery temp controller |
| CN107368122A (en) * | 2017-08-08 | 2017-11-21 | 南京华讯方舟通信设备有限公司 | Laser-projector and for automatic temperature control system therein and control method |
| CN107942610A (en) * | 2017-11-28 | 2018-04-20 | 苏州佳世达光电有限公司 | Projector radiating control system and method |
| CN108678984A (en) * | 2018-04-09 | 2018-10-19 | 深圳市火乐科技发展有限公司 | A kind of autocontrol method and system based on projecting apparatus fan |
| CN110173455A (en) * | 2019-06-27 | 2019-08-27 | 徐州工业职业技术学院 | A kind of projector multi-function protector |
| CN114609851A (en) * | 2022-03-11 | 2022-06-10 | 深圳市中科创投科技有限公司 | Temperature adjusting circuit, temperature adjusting method, and projector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201740962U (en) | Intelligent cooling device of DLP (digital light processing) projector | |
| JP2011523190A (en) | Reduced power consumption sensor device and illumination system having such a sensor device | |
| CN102012075A (en) | Control method of multi-split air conditioner | |
| CN105157177B (en) | Method for controlling outlet water temperature of cooling tower according to outdoor air state | |
| US9750163B2 (en) | Thermal dissipation system for server | |
| US8896253B2 (en) | Control circuit for fan | |
| CN103835976A (en) | Intelligent fan control system based on single-chip microcomputer | |
| US20060259200A1 (en) | Hybrid generation system and control method thereof | |
| CN207006475U (en) | A kind of draught fan automatic control system | |
| WO2019128346A1 (en) | Dust monitoring device for use with air conditioner, air conditioner and control method therefor | |
| CN203416478U (en) | Intelligent system for controlling luminance of LED lamp | |
| CN203608507U (en) | Energy-saving type temperature-control stepless air-cooled heat dissipation device for power amplifier | |
| CN207265817U (en) | A kind of motor servo driver | |
| CN206291420U (en) | A kind of cooling tower intelligence control system | |
| CN206506618U (en) | It is a kind of to reduce the device of laser television noise | |
| CN104315675A (en) | Self-starting household ventilation device and ventilation system applying same | |
| CN201877083U (en) | Display with intelligent fan system | |
| CN204595659U (en) | Novel intelligent communication agricultural greenhouse energy-saving type air conditioner control system | |
| CN107704059A (en) | A kind of server power supply radiator structure and its control method | |
| CN102478928B (en) | Display with intelligent fan system | |
| CN113784592A (en) | Combined heat dissipation system, electrical equipment, air conditioner and heat dissipation method | |
| CN203116231U (en) | Energy-saving ventilation device intelligently controlled according to concentration of carbon dioxide | |
| CN204595653U (en) | A kind of indoor temperature control device | |
| CN212781800U (en) | Automatic control system for heat dissipation and dehumidification of high-voltage frequency converter | |
| WO2019113855A1 (en) | Smart real-time dynamic cooling system and method for display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20170816 |