CN114002901A - Efficient cooling system of projector - Google Patents
Efficient cooling system of projector Download PDFInfo
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- CN114002901A CN114002901A CN202111294918.8A CN202111294918A CN114002901A CN 114002901 A CN114002901 A CN 114002901A CN 202111294918 A CN202111294918 A CN 202111294918A CN 114002901 A CN114002901 A CN 114002901A
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- 238000001816 cooling Methods 0.000 title description 2
- 230000017525 heat dissipation Effects 0.000 claims abstract description 145
- 238000004458 analytical method Methods 0.000 claims abstract description 53
- 230000002159 abnormal effect Effects 0.000 claims description 62
- 238000001514 detection method Methods 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 16
- 238000007667 floating Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses a high-efficiency heat dissipation system of a projector, which relates to the technical field of heat dissipation of projectors and solves the technical problem that the heat dissipation of the projector cannot be accurately controlled in the prior art, hardware equipment of the projector is analyzed, and the equipment state of the projector is judged, so that the heat dissipation efficiency of the projector can be ensured while the operation efficiency of the projector is maximized, and the increase of the operation cost of the projector caused by overhigh heat dissipation cost is prevented; the heat dissipation of the projector is subjected to parameter limitation, so that the influence on the use of the projector due to untimely heat dissipation is reduced, and the equipment loss of the projector is increased; judge the real-time running state of projecting apparatus, go out radiating demand according to the operational analysis of projecting apparatus, detect real-time running simultaneously, prevent that the projecting apparatus transships and lead to the interior high temperature of STB box, cause the radiating efficiency untimely to lead to the projecting apparatus operation unusual.
Description
Technical Field
The invention relates to the technical field of projector heat dissipation, in particular to a high-efficiency heat dissipation system of a projector.
Background
A projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals; the projector generally comprises a projection imaging system and an optical amplification system, wherein a projection signal is generally processed by the imaging technology of the projector to be an image signal, and then the image signal is amplified by the optical amplification system in the projector, so that the projection signal can be projected on a large projection screen with high quality and high definition. When the projection input signal is processed by the imaging technology of the projector, the projector needs high-intensity brightness, and to ensure the high-intensity brightness output, the projector must adopt a high-power light source, and the high-power light source is bound to accumulate large heat when working for a long time, and the heat is gathered in a space of the projector, which is only the size of a fist, so that the concentrated heat and the strong power are bound to be diffused to the periphery of the projector.
In the prior art, projectors cannot be classified, and different heat dissipation forces are matched according to different projectors; resulting in excessive heat dissipation costs; meanwhile, real-time parameter analysis cannot be carried out on the projector, accurate early warning standards cannot be provided according to the real-time projector, and therefore the heat dissipation detection accuracy is reduced, and the effectiveness of heat dissipation control of the projector is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the efficient heat dissipation system of the projector, which is used for analyzing hardware equipment of the projector and judging the equipment state of the projector, so that the heat dissipation efficiency of the projector can be ensured while the operation efficiency of the projector is maximized, and the increase of the operation cost of the projector caused by overhigh heat dissipation cost is prevented; the heat dissipation of the projector is subjected to parameter limitation, so that the influence on the use of the projector due to untimely heat dissipation is reduced, and the equipment loss of the projector is increased; judge the real-time running state of projecting apparatus, go out radiating demand according to the operational analysis of projecting apparatus, detect real-time running simultaneously, prevent that the projecting apparatus transships and lead to the interior high temperature of STB box, cause the radiating efficiency untimely to lead to the projecting apparatus operation unusual.
The purpose of the invention can be realized by the following technical scheme:
a high-efficiency heat dissipation system for a projector comprises; the system comprises a high-efficiency heat dissipation platform, wherein a server is arranged in the high-efficiency heat dissipation platform, and the server is in communication connection with an operation detection unit, a parameter analysis unit, a hardware analysis unit and a heat dissipation early warning unit;
the high-efficiency heat dissipation platform is used for managing and controlling heat dissipation of the projector, and the server generates a hardware analysis signal and sends the hardware analysis signal to the hardware analysis unit; the hardware analysis unit is used for analyzing the hardware equipment of the projector and judging the equipment state of the projector; the server generates a parameter analysis signal and sends the parameter analysis signal to the parameter analysis unit, and the parameter analysis unit analyzes the heat dissipation parameters of the projector; detecting the operation of the projector in real time through an operation detection unit; and carrying out heat dissipation detection on the projector with abnormal operation through the heat dissipation early warning unit.
Further, the analysis process of the hardware analysis unit is as follows:
marking the real-time running projector as i, wherein i is a natural number greater than 1, acquiring the space volume of the real-time running projector corresponding to the set top box and the resolution of the real-time running projector, and respectively marking the space volume of the real-time running projector corresponding to the set top box and the resolution of the real-time running projector as TJi and FBi; and then respectively comparing the space volume of the set top box corresponding to the real-time operation projector and the resolution of the real-time operation projector with a space volume threshold value and a resolution threshold value:
if the space volume of the real-time operation projector corresponding to the set top box is smaller than the space volume threshold value and the resolution of the real-time operation projector is larger than the resolution threshold value, judging that the corresponding projector has high operation precision and large heat dissipation requirement, and marking the corresponding projector as high-precision high-requirement equipment; if the space volume of the real-time operation projector corresponding to the set top box is larger than the space volume threshold value and the resolution of the real-time operation projector is smaller than the resolution threshold value, judging that the operation precision of the corresponding projector is low and the heat dissipation requirement is low, and marking the corresponding projector as low precision and low requirement equipment; if the space volume of the real-time operation projector corresponding to the set top box is larger than the space volume threshold value and the resolution of the real-time operation projector is larger than the resolution threshold value, judging that the operation precision of the corresponding projector is high and the heat dissipation requirement is low, and marking the corresponding projector as high-precision and low-requirement equipment; if the space volume of the set top box corresponding to the real-time operation projector is smaller than the space volume threshold value and the resolution of the real-time operation projector is smaller than the resolution threshold value, judging that the operation precision of the corresponding projector is low and the heat dissipation requirement is large, and marking the corresponding projector as low-precision high-requirement equipment;
and sending the high-precision high-demand equipment, the low-precision low-demand equipment, the high-precision low-demand equipment and the low-precision high-demand equipment to a server.
Further, after receiving the high precision and high demand equipment, the low precision and low demand equipment, the high precision and low demand equipment and the low precision and high demand equipment, the server screens the projectors according to the real-time operation requirement, and marks the low precision and high demand equipment as inapplicable equipment; if the real-time operation requirement is a high-precision requirement, high-precision and low-precision equipment is taken as preferred equipment; and if the real-time operation requirement is a high-precision requirement, marking the low-precision low-demand equipment as preferred equipment.
Further, the parameter analysis process of the parameter analysis unit is as follows:
gather the historical projecting apparatus that breaks down to with its mark as the trouble projecting apparatus, temperature value and temperature reduction rate in the trouble projecting apparatus corresponds the set-top box when gathering the trouble, and temperature value and temperature reduction rate in the trouble projecting apparatus corresponds the set-top box when will breaking down compare with temperature value threshold value and temperature reduction rate threshold value respectively:
if the temperature value in the set top box corresponding to the fault projector is greater than the temperature value threshold value when the fault occurs, marking the temperature value in the corresponding set top box as the fault temperature; if the temperature reduction speed of the fault projector is smaller than the temperature reduction speed threshold when the fault occurs, marking the temperature reduction speed in the corresponding set top box as the fault speed;
acquiring fault temperature and fault speed corresponding to a fault projector, acquiring and monitoring the maximum value and the minimum value of the fault temperature and the maximum value and the minimum value of the fault speed, acquiring a fault temperature range according to the maximum value and the minimum value of the fault temperature, constructing and responding the fault speed range according to the maximum value and the minimum value of the fault speed, and enabling the fault temperature and the fault speed to be in one-to-one correspondence, wherein if the temperature in a set top box reaches the fault temperature, the temperature reduction speed is required to be greater than the fault speed; if the temperature reduction speed in the set top box reaches the fault speed, the temperature in the set top box needs to be lower than the fault temperature;
and sending the fault temperature range and the fault speed range to a server.
Further, the operation detection process of the operation detection unit is as follows:
setting detection time, dividing the detection time into k sub-time periods, wherein k is a natural number greater than 1, acquiring numerical values of the flash frequency of a bulb in a projector which runs in real time in each sub-time period, the continuous running time of the projector and the environment temperature which are higher than the temperature in the set top box, and respectively marking the numerical values of the flash frequency of the bulb in the projector which runs in real time in each sub-time period, the continuous running time of the projector and the environment temperature which is higher than the temperature in the set top box as PLk, SCk and CZk; by the formula
Acquiring an operation detection coefficient Xk of the projector, wherein a1, a2 and a3 are all preset proportionality coefficients, a1 is greater than a2 is greater than a3 is greater than 0, and beta is an error correction factor and takes the value of 1.35;
comparing the operational detection coefficient of the projector to an operational detection coefficient threshold:
if the operation detection coefficient of the projector is larger than or equal to the operation detection coefficient threshold, judging that the projector load in the corresponding sub-time period operates, and marking the corresponding sub-time period as an abnormal time period; if the operation detection coefficient of the projector is less than the operation detection coefficient threshold value, judging that the projector normally operates in the corresponding sub-time period, and marking the corresponding sub-time period as a normal time period;
acquiring the number of normal time periods and the number of abnormal time periods within detection time, if the number of the normal time periods is larger than the number of the abnormal time periods and the number of the abnormal time periods is smaller than the threshold value of the number of the abnormal time periods, judging that the corresponding projection runs normally, generating a normal running signal and sending the normal running signal to a server; and if the number of the normal time periods is smaller than that of the abnormal time periods or the number of the abnormal time periods is larger than the threshold value of the number of the abnormal time periods, judging that the corresponding projection operation is abnormal, generating an abnormal operation signal and sending the abnormal operation signal to the server.
Further, the early warning process of the heat dissipation early warning unit is as follows:
the method comprises the following steps of collecting temperature values in a set top box corresponding to an abnormal projector, marking the temperature values in the set top box corresponding to the abnormal projector as real-time abnormal temperatures, comparing the real-time abnormal temperatures with fault temperature ranges, collecting fault speeds corresponding to the fault temperatures if the temperature values are consistent, marking the corresponding fault speeds as lower limit values of heat dissipation speeds, and collecting the real-time heat dissipation speeds and the lower limit values of the heat dissipation speeds for comparison: if the real-time heat dissipation speed is greater than the lower heat dissipation speed limit, marking the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit as a positive difference value, acquiring a floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit, if the floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit is greater than a floating value threshold, generating a speed early warning signal and sending the speed early warning signal to a server, and if the floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit is less than the floating value threshold, sending a normal heat dissipation signal to the server; if the real-time heat dissipation speed is smaller than the lower limit value of the heat dissipation speed, marking the difference value between the real-time heat dissipation speed and the lower limit value of the heat dissipation speed as a negative difference value, generating a heat dissipation fault signal and sending the heat dissipation fault signal to a server;
if the difference value does not exist, acquiring the difference value between the temperature value in the fault temperature range and the real-time abnormal temperature, acquiring the temperature value in the fault temperature range corresponding to the minimum difference value, and if the corresponding temperature value is smaller than the real-time abnormal temperature, marking the corresponding temperature value as a real-time temperature lower limit value; if the corresponding temperature value is greater than the real-time abnormal temperature, marking the corresponding temperature value as a real-time temperature upper limit value; when the corresponding difference value between the real-time abnormal temperature and the real-time temperature lower limit value or the real-time temperature upper limit value is smaller than the corresponding temperature difference value threshold value, generating a temperature early warning signal and sending the temperature early warning signal to a server; and after receiving the temperature early warning signal, the server marks the fault speed corresponding to the real-time temperature upper limit value or the real-time temperature lower limit value as a real-time fault speed limit value, monitors the real-time fault speed limit value, and suspends the operation of the projector if the real-time heat dissipation speed is lower than the real-time fault speed limit value.
Compared with the prior art, the invention has the beneficial effects that:
according to the projector, the hardware equipment of the projector is analyzed, and the equipment state of the projector is judged, so that the heat dissipation efficiency of the projector can be guaranteed while the operation efficiency of the projector is maximized, and the increase of the operation cost of the projector caused by overhigh heat dissipation cost is prevented; the heat dissipation of the projector is subjected to parameter limitation, so that the influence on the use of the projector due to untimely heat dissipation is reduced, and the equipment loss of the projector is increased; judging the real-time running state of the projector, analyzing the heat dissipation requirement according to the running of the projector, and simultaneously detecting the real-time running to prevent the projector from running abnormally due to the fact that the projector is overloaded and the temperature in the set top box is too high, and the heat dissipation efficiency is not timely; the projector with abnormal operation is subjected to heat dissipation detection, so that the phenomenon that the projector is abnormally cooled to cause operation failure of the projector and cause irreversible damage to the projector equipment is prevented.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall system block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an efficient heat dissipation system for a projector includes an efficient heat dissipation platform, a server is disposed in the efficient heat dissipation platform, and the server is in communication connection with an operation detection unit, a parameter analysis unit, a hardware analysis unit, and a heat dissipation early warning unit;
high-efficient heat dissipation platform is used for carrying out the management and control to the heat dissipation of projecting apparatus, and the server generates hardware analysis signal and sends hardware analysis signal to hardware analysis unit, and hardware analysis unit is used for carrying out the analysis to the hardware equipment of projecting apparatus, judges the equipment state of projecting apparatus to can guarantee the radiating efficiency of projecting apparatus in projecting apparatus operating efficiency maximize, prevent that the radiating cost is too high, lead to the running cost increase of projecting apparatus, concrete analytic process is as follows:
marking the real-time running projector as i, wherein i is a natural number greater than 1, acquiring the space volume of the real-time running projector corresponding to the set top box and the resolution of the real-time running projector, and respectively marking the space volume of the real-time running projector corresponding to the set top box and the resolution of the real-time running projector as TJi and FBi; and then respectively comparing the space volume of the set top box corresponding to the real-time operation projector and the resolution of the real-time operation projector with a space volume threshold value and a resolution threshold value:
if the space volume of the real-time operation projector corresponding to the set top box is smaller than the space volume threshold value and the resolution of the real-time operation projector is larger than the resolution threshold value, judging that the corresponding projector has high operation precision and large heat dissipation requirement, and marking the corresponding projector as high-precision high-requirement equipment; if the space volume of the real-time operation projector corresponding to the set top box is larger than the space volume threshold value and the resolution of the real-time operation projector is smaller than the resolution threshold value, judging that the operation precision of the corresponding projector is low and the heat dissipation requirement is low, and marking the corresponding projector as low precision and low requirement equipment; if the space volume of the real-time operation projector corresponding to the set top box is larger than the space volume threshold value and the resolution of the real-time operation projector is larger than the resolution threshold value, judging that the operation precision of the corresponding projector is high and the heat dissipation requirement is low, and marking the corresponding projector as high-precision and low-requirement equipment; if the space volume of the set top box corresponding to the real-time operation projector is smaller than the space volume threshold value and the resolution of the real-time operation projector is smaller than the resolution threshold value, judging that the operation precision of the corresponding projector is low and the heat dissipation requirement is large, and marking the corresponding projector as low-precision high-requirement equipment;
the method comprises the steps that high-precision high-demand equipment, low-precision low-demand equipment, high-precision low-demand equipment and low-precision high-demand equipment are sent to a server, the server receives the high-precision high-demand equipment, the low-precision low-demand equipment, the high-precision low-demand equipment and the low-precision high-demand equipment, then projector screening is carried out according to real-time operation requirements, and the low-precision high-demand equipment is marked as inapplicable equipment; if the real-time operation requirement is a high-precision requirement, high-precision and low-precision equipment is taken as preferred equipment; if the real-time operation requirement is a high-precision requirement, marking the low-precision low-demand equipment as preferred equipment;
the server generates a parameter analysis signal and sends the parameter analysis signal to a parameter analysis unit, the parameter analysis unit is used for carrying out heat dissipation parameter analysis on the projector, and the heat dissipation parameters comprise the temperature in the set top box and the temperature reduction speed; carry out parameter to the heat dissipation of projecting apparatus and prescribe a limit to reduced because of the untimely use that leads to the projecting apparatus of heat dissipation receives the influence, increased the equipment loss of projecting apparatus, specific parameter analysis process is as follows:
gather the historical projecting apparatus that breaks down to with its mark as the trouble projecting apparatus, temperature value and temperature reduction rate in the trouble projecting apparatus corresponds the set-top box when gathering the trouble, and temperature value and temperature reduction rate in the trouble projecting apparatus corresponds the set-top box when will breaking down compare with temperature value threshold value and temperature reduction rate threshold value respectively:
if the temperature value in the set top box corresponding to the fault projector is greater than the temperature value threshold value when the fault occurs, marking the temperature value in the corresponding set top box as the fault temperature; if the temperature reduction speed of the fault projector is smaller than the temperature reduction speed threshold when the fault occurs, marking the temperature reduction speed in the corresponding set top box as the fault speed;
acquiring fault temperature and fault speed corresponding to a fault projector, acquiring and monitoring the maximum value and the minimum value of the fault temperature and the maximum value and the minimum value of the fault speed, acquiring a fault temperature range according to the maximum value and the minimum value of the fault temperature, constructing and responding the fault speed range according to the maximum value and the minimum value of the fault speed, and enabling the fault temperature and the fault speed to be in one-to-one correspondence, wherein if the temperature in a set top box reaches the fault temperature, the temperature reduction speed is required to be greater than the fault speed; if the temperature reduction speed in the set top box reaches the fault speed, the temperature in the set top box needs to be lower than the fault temperature;
sending the fault temperature range and the fault speed range to a server;
after server received trouble temperature range and trouble speed scope, generate operation detected signal and with operation detected signal transmission to operation detecting element, operation detecting element is used for carrying out real-time detection to the operation of projecting apparatus, judge the real-time running state of projecting apparatus, go out radiating demand according to the operation analysis of projecting apparatus, detect real-time operation simultaneously, prevent that the projecting apparatus from transshipping and leading to the interior high temperature of set-top box, cause the radiating efficiency untimely projecting apparatus operation anomaly that leads to, concrete operation testing process is as follows:
setting detection time, dividing the detection time into k sub-time periods, wherein k is a natural number greater than 1, acquiring numerical values of the flash frequency of a bulb in a projector which runs in real time in each sub-time period, the continuous running time of the projector and the environment temperature which are higher than the temperature in the set top box, and respectively marking the numerical values of the flash frequency of the bulb in the projector which runs in real time in each sub-time period, the continuous running time of the projector and the environment temperature which is higher than the temperature in the set top box as PLk, SCk and CZk; by the formula
Acquiring an operation detection coefficient Xk of the projector, wherein a1, a2 and a3 are all preset proportionality coefficients, a1 is greater than a2 is greater than a3 is greater than 0, and beta is an error correction factor and takes the value of 1.35;
comparing the operational detection coefficient of the projector to an operational detection coefficient threshold:
if the operation detection coefficient of the projector is larger than or equal to the operation detection coefficient threshold, judging that the projector load in the corresponding sub-time period operates, and marking the corresponding sub-time period as an abnormal time period; if the operation detection coefficient of the projector is less than the operation detection coefficient threshold value, judging that the projector normally operates in the corresponding sub-time period, and marking the corresponding sub-time period as a normal time period;
acquiring the number of normal time periods and the number of abnormal time periods within detection time, if the number of the normal time periods is larger than the number of the abnormal time periods and the number of the abnormal time periods is smaller than the threshold value of the number of the abnormal time periods, judging that the corresponding projection runs normally, generating a normal running signal and sending the normal running signal to a server; if the number of the normal time periods is smaller than that of the abnormal time periods or the number of the abnormal time periods is larger than the threshold value of the number of the abnormal time periods, judging that the corresponding projection operation is abnormal, generating an abnormal operation signal and sending the abnormal operation signal to the server;
after the server receives the abnormal operation signal, generate heat dissipation early warning signal and will dispel the heat early warning signal and send to heat dissipation early warning unit, heat dissipation early warning unit is used for dispelling the heat to the unusual projecting apparatus of operation and detects, prevents that the heat dissipation is unusual, leads to the operation of projecting apparatus to break down, causes irreversible harm to projecting apparatus equipment itself, and concrete early warning process is as follows:
the method comprises the following steps of collecting temperature values in a set top box corresponding to an abnormal projector, marking the temperature values in the set top box corresponding to the abnormal projector as real-time abnormal temperatures, comparing the real-time abnormal temperatures with fault temperature ranges, collecting fault speeds corresponding to the fault temperatures if the temperature values are consistent, marking the corresponding fault speeds as lower limit values of heat dissipation speeds, and collecting the real-time heat dissipation speeds and the lower limit values of the heat dissipation speeds for comparison: if the real-time heat dissipation speed is greater than the lower heat dissipation speed limit, marking the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit as a positive difference value, acquiring a floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit, if the floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit is greater than a floating value threshold, generating a speed early warning signal and sending the speed early warning signal to a server, and if the floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit is less than the floating value threshold, sending a normal heat dissipation signal to the server; if the real-time heat dissipation speed is smaller than the lower limit value of the heat dissipation speed, marking the difference value between the real-time heat dissipation speed and the lower limit value of the heat dissipation speed as a negative difference value, generating a heat dissipation fault signal and sending the heat dissipation fault signal to a server;
if the difference value does not exist, acquiring the difference value between the temperature value in the fault temperature range and the real-time abnormal temperature, acquiring the temperature value in the fault temperature range corresponding to the minimum difference value, and if the corresponding temperature value is smaller than the real-time abnormal temperature, marking the corresponding temperature value as a real-time temperature lower limit value; if the corresponding temperature value is greater than the real-time abnormal temperature, marking the corresponding temperature value as a real-time temperature upper limit value; when the corresponding difference value between the real-time abnormal temperature and the real-time temperature lower limit value or the real-time temperature upper limit value is smaller than the corresponding temperature difference value threshold value, generating a temperature early warning signal and sending the temperature early warning signal to a server; and after receiving the temperature early warning signal, the server marks the fault speed corresponding to the real-time temperature upper limit value or the real-time temperature lower limit value as a real-time fault speed limit value, monitors the real-time fault speed limit value, and suspends the operation of the projector if the real-time heat dissipation speed is lower than the real-time fault speed limit value.
When the projector high-efficiency heat dissipation system works, the heat dissipation of the projector is controlled through the high-efficiency heat dissipation platform, and a server generates a hardware analysis signal and sends the hardware analysis signal to a hardware analysis unit; the hardware analysis unit is used for analyzing the hardware equipment of the projector and judging the equipment state of the projector; the server generates a parameter analysis signal and sends the parameter analysis signal to the parameter analysis unit, and the parameter analysis unit analyzes the heat dissipation parameters of the projector; detecting the operation of the projector in real time through an operation detection unit; and carrying out heat dissipation detection on the projector with abnormal operation through the heat dissipation early warning unit.
The above formulas are all calculated by taking the numerical value of the dimension, the formula is a formula which obtains the latest real situation by acquiring a large amount of data and performing software simulation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A high-efficiency heat dissipation system for a projector is characterized by comprising; the system comprises a high-efficiency heat dissipation platform, wherein a server is arranged in the high-efficiency heat dissipation platform, and the server is in communication connection with an operation detection unit, a parameter analysis unit, a hardware analysis unit and a heat dissipation early warning unit;
the high-efficiency heat dissipation platform is used for managing and controlling heat dissipation of the projector, and the server generates a hardware analysis signal and sends the hardware analysis signal to the hardware analysis unit; the hardware analysis unit is used for analyzing the hardware equipment of the projector and judging the equipment state of the projector; the server generates a parameter analysis signal and sends the parameter analysis signal to the parameter analysis unit, and the parameter analysis unit analyzes the heat dissipation parameters of the projector; detecting the operation of the projector in real time through an operation detection unit; and carrying out heat dissipation detection on the projector with abnormal operation through the heat dissipation early warning unit.
2. The efficient heat dissipation system for projectors of claim 1, wherein the analysis process of the hardware analysis unit is as follows:
marking the real-time running projector as i, wherein i is a natural number greater than 1, acquiring the space volume of the real-time running projector corresponding to the set top box and the resolution of the real-time running projector, and respectively marking the space volume of the real-time running projector corresponding to the set top box and the resolution of the real-time running projector as TJi and FBi; and then respectively comparing the space volume of the set top box corresponding to the real-time operation projector and the resolution of the real-time operation projector with a space volume threshold value and a resolution threshold value:
if the space volume of the real-time operation projector corresponding to the set top box is smaller than the space volume threshold value and the resolution of the real-time operation projector is larger than the resolution threshold value, judging that the corresponding projector has high operation precision and large heat dissipation requirement, and marking the corresponding projector as high-precision high-requirement equipment; if the space volume of the real-time operation projector corresponding to the set top box is larger than the space volume threshold value and the resolution of the real-time operation projector is smaller than the resolution threshold value, judging that the operation precision of the corresponding projector is low and the heat dissipation requirement is low, and marking the corresponding projector as low precision and low requirement equipment; if the space volume of the real-time operation projector corresponding to the set top box is larger than the space volume threshold value and the resolution of the real-time operation projector is larger than the resolution threshold value, judging that the operation precision of the corresponding projector is high and the heat dissipation requirement is low, and marking the corresponding projector as high-precision and low-requirement equipment; if the space volume of the set top box corresponding to the real-time operation projector is smaller than the space volume threshold value and the resolution of the real-time operation projector is smaller than the resolution threshold value, judging that the operation precision of the corresponding projector is low and the heat dissipation requirement is large, and marking the corresponding projector as low-precision high-requirement equipment;
and sending the high-precision high-demand equipment, the low-precision low-demand equipment, the high-precision low-demand equipment and the low-precision high-demand equipment to a server.
3. The efficient heat dissipation system for the projector according to claim 2, wherein the server screens the projector according to real-time operation requirements after receiving the high precision and high demand equipment, the low precision and low demand equipment, the high precision and low demand equipment and the low precision and high demand equipment, and marks the low precision and high demand equipment as unsuitable equipment; if the real-time operation requirement is a high-precision requirement, high-precision and low-precision equipment is taken as preferred equipment; and if the real-time operation requirement is a high-precision requirement, marking the low-precision low-demand equipment as preferred equipment.
4. The efficient heat dissipation system for projectors of claim 1, wherein the parameter analysis process of the parameter analysis unit is as follows:
gather the historical projecting apparatus that breaks down to with its mark as the trouble projecting apparatus, temperature value and temperature reduction rate in the trouble projecting apparatus corresponds the set-top box when gathering the trouble, and temperature value and temperature reduction rate in the trouble projecting apparatus corresponds the set-top box when will breaking down compare with temperature value threshold value and temperature reduction rate threshold value respectively:
if the temperature value in the set top box corresponding to the fault projector is greater than the temperature value threshold value when the fault occurs, marking the temperature value in the corresponding set top box as the fault temperature; if the temperature reduction speed of the fault projector is smaller than the temperature reduction speed threshold when the fault occurs, marking the temperature reduction speed in the corresponding set top box as the fault speed;
acquiring fault temperature and fault speed corresponding to a fault projector, acquiring and monitoring the maximum value and the minimum value of the fault temperature and the maximum value and the minimum value of the fault speed, acquiring a fault temperature range according to the maximum value and the minimum value of the fault temperature, constructing and responding the fault speed range according to the maximum value and the minimum value of the fault speed, and enabling the fault temperature and the fault speed to be in one-to-one correspondence, wherein if the temperature in a set top box reaches the fault temperature, the temperature reduction speed is required to be greater than the fault speed; if the temperature reduction speed in the set top box reaches the fault speed, the temperature in the set top box needs to be lower than the fault temperature;
and sending the fault temperature range and the fault speed range to a server.
5. The efficient heat dissipation system for projectors of claim 1, wherein the operation detection process of the operation detection unit is as follows:
setting detection time, dividing the detection time into k sub-time periods, wherein k is a natural number greater than 1, acquiring numerical values of the flash frequency of a bulb in a projector which runs in real time in each sub-time period, the continuous running time of the projector and the environment temperature which are higher than the temperature in the set top box, and respectively marking the numerical values of the flash frequency of the bulb in the projector which runs in real time in each sub-time period, the continuous running time of the projector and the environment temperature which is higher than the temperature in the set top box as PLk, SCk and CZk; by the formula
Acquiring an operation detection coefficient Xk of the projector, wherein a1, a2 and a3 are all preset proportionality coefficients, a1 is greater than a2 is greater than a3 is greater than 0, and beta is an error correction factor and takes the value of 1.35;
comparing the operational detection coefficient of the projector to an operational detection coefficient threshold:
if the operation detection coefficient of the projector is larger than or equal to the operation detection coefficient threshold, judging that the projector load in the corresponding sub-time period operates, and marking the corresponding sub-time period as an abnormal time period; if the operation detection coefficient of the projector is less than the operation detection coefficient threshold value, judging that the projector normally operates in the corresponding sub-time period, and marking the corresponding sub-time period as a normal time period;
acquiring the number of normal time periods and the number of abnormal time periods within detection time, if the number of the normal time periods is larger than the number of the abnormal time periods and the number of the abnormal time periods is smaller than the threshold value of the number of the abnormal time periods, judging that the corresponding projection runs normally, generating a normal running signal and sending the normal running signal to a server; and if the number of the normal time periods is smaller than that of the abnormal time periods or the number of the abnormal time periods is larger than the threshold value of the number of the abnormal time periods, judging that the corresponding projection operation is abnormal, generating an abnormal operation signal and sending the abnormal operation signal to the server.
6. The efficient heat dissipation system of claim 1, wherein the pre-warning process of the heat dissipation pre-warning unit is as follows:
the method comprises the following steps of collecting temperature values in a set top box corresponding to an abnormal projector, marking the temperature values in the set top box corresponding to the abnormal projector as real-time abnormal temperatures, comparing the real-time abnormal temperatures with fault temperature ranges, collecting fault speeds corresponding to the fault temperatures if the temperature values are consistent, marking the corresponding fault speeds as lower limit values of heat dissipation speeds, and collecting the real-time heat dissipation speeds and the lower limit values of the heat dissipation speeds for comparison: if the real-time heat dissipation speed is greater than the lower heat dissipation speed limit, marking the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit as a positive difference value, acquiring a floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit, if the floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit is greater than a floating value threshold, generating a speed early warning signal and sending the speed early warning signal to a server, and if the floating value of the difference value between the real-time heat dissipation speed and the lower heat dissipation speed limit is less than the floating value threshold, sending a normal heat dissipation signal to the server; if the real-time heat dissipation speed is smaller than the lower limit value of the heat dissipation speed, marking the difference value between the real-time heat dissipation speed and the lower limit value of the heat dissipation speed as a negative difference value, generating a heat dissipation fault signal and sending the heat dissipation fault signal to a server;
if the difference value does not exist, acquiring the difference value between the temperature value in the fault temperature range and the real-time abnormal temperature, acquiring the temperature value in the fault temperature range corresponding to the minimum difference value, and if the corresponding temperature value is smaller than the real-time abnormal temperature, marking the corresponding temperature value as a real-time temperature lower limit value; if the corresponding temperature value is greater than the real-time abnormal temperature, marking the corresponding temperature value as a real-time temperature upper limit value; when the corresponding difference value between the real-time abnormal temperature and the real-time temperature lower limit value or the real-time temperature upper limit value is smaller than the corresponding temperature difference value threshold value, generating a temperature early warning signal and sending the temperature early warning signal to a server; and after receiving the temperature early warning signal, the server marks the fault speed corresponding to the real-time temperature upper limit value or the real-time temperature lower limit value as a real-time fault speed limit value, monitors the real-time fault speed limit value, and suspends the operation of the projector if the real-time heat dissipation speed is lower than the real-time fault speed limit value.
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Denomination of invention: A cooling system for projectors Granted publication date: 20230620 Pledgee: China Construction Bank Corporation Nanjing Jiangbei new area branch Pledgor: Jiangsu Jinshi Chuanqi Technology Co.,Ltd. Registration number: Y2024980010778 |