CN114002901B - Heat radiation system of projector - Google Patents
Heat radiation system of projector Download PDFInfo
- Publication number
- CN114002901B CN114002901B CN202111294918.8A CN202111294918A CN114002901B CN 114002901 B CN114002901 B CN 114002901B CN 202111294918 A CN202111294918 A CN 202111294918A CN 114002901 B CN114002901 B CN 114002901B
- Authority
- CN
- China
- Prior art keywords
- projector
- time
- temperature
- real
- heat dissipation
- 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.)
- Active
Links
- 230000005855 radiation Effects 0.000 title claims description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 156
- 230000002159 abnormal effect Effects 0.000 claims abstract description 75
- 238000001514 detection method Methods 0.000 claims description 50
- 238000007667 floating Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 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
- 238000012216 screening Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002427 irreversible effect Effects 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
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a heat dissipation system of a projector, which relates to the technical field of projector heat dissipation and solves the technical problem that the heat dissipation of the projector cannot be accurately controlled in the prior art, and the hardware equipment of the projector is analyzed to judge 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 the overhigh heat dissipation cost is prevented; the heat dissipation of the projector is defined by parameters, so that the influence on the use of the projector caused by 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, detecting the real-time running at the same time, and preventing the phenomenon that the temperature in the set top box is too high due to overload of the projector, so that the heat dissipation efficiency is not timely and the running of the projector is abnormal.
Description
Technical Field
The invention relates to the technical field of projector heat dissipation, in particular to a 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 play corresponding video signals by being connected with a computer, VCD, DVD, BD, a game machine, DV and the like through different interfaces; the projector generally comprises a projection imaging system and an optical amplifying system, and the projection signal is generally changed into an image signal through special processing of the imaging technology of the projector and then amplified by the optical amplifying system in the projector, so that the projection signal can be projected on a projection large screen with high quality and high definition. When the imaging technology of the projector processes the projection input signal, the projector needs high-intensity brightness, so that the projector needs to use a high-power light source to ensure the high-intensity brightness output, and when the high-power light source works for a long time, a great amount of heat is likely to accumulate, and the heat is concentrated in a space with the size of a fist of the projector, so that the concentrated heat and the strong power need to spread 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 performed on the projector, an accurate early warning standard cannot be provided according to the real-time projector, so that 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 existing in the prior art, the invention aims to provide a heat dissipation system of a projector, which is used for analyzing hardware equipment of the projector and judging 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 defined by parameters, so that the influence on the use of the projector caused by 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, detecting the real-time running at the same time, and preventing the phenomenon that the temperature in the set top box is too high due to overload of the projector, so that the heat dissipation efficiency is not timely and the running of the projector is abnormal.
The aim of the invention can be achieved by the following technical scheme:
a heat dissipation system for a projector, 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 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 radiation detection on the projector with abnormal operation through a heat radiation early warning unit.
Further, the analysis process of the hardware analysis unit is as follows:
marking a projector running in real time as i, wherein i is a natural number larger than 1, acquiring the space volume of the projector running in real time corresponding to the set top box and the resolution of the projector running in real time, and marking the space volume of the projector running in real time corresponding to the set top box and the resolution of the projector running in real time as TJi and FBi respectively; and comparing the space volume of the real-time operation projector corresponding to the set top box and the resolution of the real-time operation projector with a space volume threshold and a resolution threshold respectively:
if the space volume of the corresponding set top box of the real-time operation projector 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 operation precision of the corresponding projector is high and the heat dissipation requirement is large, and marking the corresponding projector as high-precision high-requirement equipment; if the space volume of the corresponding set top box of the real-time operation projector 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 small, and marking the corresponding projector as low-precision low-requirement equipment; if the space volume of the corresponding set top box of the real-time operation projector 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 small, and marking the corresponding projector as high-precision low-requirement equipment; if the space volume of the corresponding set top box of 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-demand 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 high-demand equipment, the low-precision low-demand equipment, the high-precision low-demand equipment and the low-precision high-demand equipment, the server performs projector screening according to real-time operation requirements, and marks the low-precision high-demand equipment as unsuitable equipment; if the real-time operation requirement is a high-precision requirement, taking high-precision low-requirement equipment as a first-choice equipment; and if the real-time operation requirement is a low-precision requirement, marking the low-precision low-requirement equipment as the preferred equipment.
Further, the parameter analysis process of the parameter analysis unit is as follows:
the projector with the history faults is collected and marked as a fault projector, the temperature value and the temperature reduction speed in the set top box corresponding to the fault projector when the faults occur are collected, and the temperature value and the temperature reduction speed in the set top box corresponding to the fault projector when the faults occur are compared with a temperature value threshold and a temperature reduction speed threshold respectively:
if the temperature value in the corresponding set top box of the fault projector is larger 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 value when the fault occurs, marking the temperature reduction speed in the corresponding set top box as the fault speed;
collecting fault temperature and fault speed corresponding to a fault projector, collecting 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 a fault speed range according to the maximum value and the minimum value of the fault speed, and carrying out one-to-one correspondence on the fault temperature and the fault speed, wherein if the temperature in the set top box reaches the fault temperature, the temperature reduction speed is required to be larger than the fault speed; if the temperature in the set top box is reduced to the fault speed, the temperature in the set top box is required to be smaller than the fault temperature;
the fault temperature range and the fault speed range are sent to a server.
Further, the operation detection process of the operation detection unit is as follows:
setting detection time and dividing the detection time into k subintervals, wherein k is a natural number larger than 1, acquiring values of the bulb flickering frequency, the continuous operation time length of the projector and the environment temperature higher than the temperature in the set top box in each subinterval, and marking values of the bulb flickering frequency, the continuous operation time length of the projector and the environment temperature higher than the temperature in the set top box in each subinterval as PLk, SCk and CZk respectively; by the formula
The operation detection coefficient Xk of the projector is acquired,wherein a1, a2 and a3 are preset proportionality coefficients, a1 is more than a2 and more than a3 is more than 0, beta is an error correction factor, and the value is 1.35;
comparing the operation detection coefficient of the projector with an operation detection coefficient threshold value:
if the operation detection coefficient of the projector is more than or equal to the operation detection coefficient threshold value, judging that the projector is in load operation in the corresponding sub-time period, and marking the corresponding sub-time period as an abnormal time period; if the operation detection coefficient of the projector is smaller than the operation detection coefficient threshold value, judging that the projector operates normally 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 abnormal time periods in the 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 is normal in operation, generating a normal operation signal and sending the normal operation signal to a server; if the number of the normal time periods is smaller than the number 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, the corresponding projection operation is judged to be abnormal, an abnormal operation signal is generated, and the abnormal operation signal is sent to the server.
Further, the heat dissipation early warning unit has the following early warning process:
acquiring a temperature value in the set top box corresponding to the projector with abnormal operation, marking the temperature value in the set top box corresponding to the projector with abnormal operation as real-time abnormal temperature, comparing the real-time abnormal temperature with a fault temperature range, if the real-time abnormal temperature is consistent with the fault temperature range, acquiring a fault speed corresponding to the fault temperature, marking the corresponding fault speed as a heat dissipation speed lower limit value, and comparing the acquired real-time heat dissipation speed with the heat dissipation speed lower limit value: if the real-time heat dissipation speed is larger than the heat dissipation speed lower limit value, marking the difference value between the real-time heat dissipation speed and the heat dissipation speed lower limit value as a positive difference value, collecting a heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value, if the heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value is larger than a floating value threshold value, generating a speed early warning signal and sending the speed early warning signal to a server, and if the heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value is smaller than the floating value threshold value, sending a heat dissipation normal signal and sending the heat dissipation normal 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 temperature values are not consistent with the real-time abnormal temperature, acquiring a difference value between the temperature value in the fault temperature range and the real-time abnormal temperature, acquiring a 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 larger 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; 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 pauses the operation of the projector if the real-time heat dissipation speed is smaller than the real-time fault speed limit value.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, 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 ensured while the operation efficiency of the projector is maximized, and the increase of the operation cost of the projector caused by the overhigh heat dissipation cost is prevented; the heat dissipation of the projector is defined by parameters, so that the influence on the use of the projector caused by 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, detecting the real-time running at the same time, and preventing the phenomenon that the temperature in the set top box is too high due to overload of the projector, so that the abnormal running of the projector is caused by untimely heat dissipation efficiency; and the projector with abnormal operation is subjected to heat radiation detection, so that the occurrence of abnormal heat radiation is prevented, the operation of the projector is caused to be faulty, and irreversible damage is caused to projector equipment.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is an overall system block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a heat dissipation system of a projector includes 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 controlling heat dissipation of the projector, 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 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, the heat dissipation cost is prevented from being too high, the operation cost of the projector is increased, and the specific analysis process is as follows:
marking a projector running in real time as i, wherein i is a natural number larger than 1, acquiring the space volume of the projector running in real time corresponding to the set top box and the resolution of the projector running in real time, and marking the space volume of the projector running in real time corresponding to the set top box and the resolution of the projector running in real time as TJi and FBi respectively; and comparing the space volume of the real-time operation projector corresponding to the set top box and the resolution of the real-time operation projector with a space volume threshold and a resolution threshold respectively:
if the space volume of the corresponding set top box of the real-time operation projector 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 operation precision of the corresponding projector is high and the heat dissipation requirement is large, and marking the corresponding projector as high-precision high-requirement equipment; if the space volume of the corresponding set top box of the real-time operation projector 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 small, and marking the corresponding projector as low-precision low-requirement equipment; if the space volume of the corresponding set top box of the real-time operation projector 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 small, and marking the corresponding projector as high-precision low-requirement equipment; if the space volume of the corresponding set top box of 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-demand equipment;
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, and after 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, carrying out projector screening according to real-time operation requirements, and marking the low-precision high-demand equipment as unsuitable equipment; if the real-time operation requirement is a high-precision requirement, taking high-precision low-requirement equipment as a first-choice equipment; if the real-time operation requirement is a low-precision requirement, marking the low-precision low-requirement equipment as the preferred equipment;
the server generates a parameter analysis signal and sends the parameter analysis signal to a parameter analysis unit, and the parameter analysis unit is used for carrying out heat dissipation parameter analysis on the projector, wherein the heat dissipation parameters comprise the temperature in the set top box and the temperature reduction speed; parameter limitation is carried out on heat dissipation of the projector, so that the influence on the use of the projector caused by untimely heat dissipation is reduced, the equipment loss of the projector is increased, and the specific parameter analysis process is as follows:
the projector with the history faults is collected and marked as a fault projector, the temperature value and the temperature reduction speed in the set top box corresponding to the fault projector when the faults occur are collected, and the temperature value and the temperature reduction speed in the set top box corresponding to the fault projector when the faults occur are compared with a temperature value threshold and a temperature reduction speed threshold respectively:
if the temperature value in the corresponding set top box of the fault projector is larger 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 value when the fault occurs, marking the temperature reduction speed in the corresponding set top box as the fault speed;
collecting fault temperature and fault speed corresponding to a fault projector, collecting 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 a fault speed range according to the maximum value and the minimum value of the fault speed, and carrying out one-to-one correspondence on the fault temperature and the fault speed, wherein if the temperature in the set top box reaches the fault temperature, the temperature reduction speed is required to be larger than the fault speed; if the temperature in the set top box is reduced to the fault speed, the temperature in the set top box is required to be smaller than the fault temperature;
transmitting the fault temperature range and the fault speed range to a server;
after the server receives the fault temperature range and the fault speed range, an operation detection signal is generated and sent to an operation detection unit, the operation detection unit is used for detecting the operation of the projector in real time, judging the real-time operation state of the projector, analyzing the heat dissipation requirement according to the operation of the projector, detecting the real-time operation at the same time, and preventing the phenomenon that the overload of the projector causes the overhigh temperature in the set top box and the untimely heat dissipation efficiency causes abnormal operation of the projector, wherein the specific operation detection process is as follows:
setting detection time and dividing the detection time into k sub-time periods, wherein k is a natural number greater than 1, and collecting real-time operation throwing in each sub-time periodThe method comprises the steps that the bulb flickering frequency in a projector, the continuous operation time of the projector and the values of the environment temperature higher than the temperature in a set top box are marked as PLk, SCk and CZk respectively; by the formula
Obtaining an operation detection coefficient Xk of the projector, wherein a1, a2 and a3 are preset proportional coefficients, a1 is more than a2 and more than a3 is more than 0, beta is an error correction factor, and the value is 1.35;
comparing the operation detection coefficient of the projector with an operation detection coefficient threshold value:
if the operation detection coefficient of the projector is more than or equal to the operation detection coefficient threshold value, judging that the projector is in load operation in the corresponding sub-time period, and marking the corresponding sub-time period as an abnormal time period; if the operation detection coefficient of the projector is smaller than the operation detection coefficient threshold value, judging that the projector operates normally 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 abnormal time periods in the 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 is normal in operation, generating a normal operation signal and sending the normal operation signal to a server; if the number of the normal time periods is smaller than the number 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, a heat dissipation early warning signal is generated and sent to the heat dissipation early warning unit, the heat dissipation early warning unit is used for carrying out heat dissipation detection on the projector with abnormal operation, the occurrence of abnormal heat dissipation is prevented, the operation of the projector is caused to be faulty, irreversible damage is caused to projector equipment, and the specific early warning process is as follows:
acquiring a temperature value in the set top box corresponding to the projector with abnormal operation, marking the temperature value in the set top box corresponding to the projector with abnormal operation as real-time abnormal temperature, comparing the real-time abnormal temperature with a fault temperature range, if the real-time abnormal temperature is consistent with the fault temperature range, acquiring a fault speed corresponding to the fault temperature, marking the corresponding fault speed as a heat dissipation speed lower limit value, and comparing the acquired real-time heat dissipation speed with the heat dissipation speed lower limit value: if the real-time heat dissipation speed is larger than the heat dissipation speed lower limit value, marking the difference value between the real-time heat dissipation speed and the heat dissipation speed lower limit value as a positive difference value, collecting a heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value, if the heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value is larger than a floating value threshold value, generating a speed early warning signal and sending the speed early warning signal to a server, and if the heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value is smaller than the floating value threshold value, sending a heat dissipation normal signal and sending the heat dissipation normal 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 temperature values are not consistent with the real-time abnormal temperature, acquiring a difference value between the temperature value in the fault temperature range and the real-time abnormal temperature, acquiring a 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 larger 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; 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 pauses the operation of the projector if the real-time heat dissipation speed is smaller than the real-time fault speed limit value.
When the heat dissipation system of the projector works, the heat dissipation of the projector is controlled through the efficient heat dissipation platform, 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 radiation detection on the projector with abnormal operation through a heat radiation early warning unit.
The above formulas are all formulas with dimensions removed and numerical values calculated, the formulas are formulas with a large amount of data collected for software simulation to obtain the latest real situation, and preset parameters in the formulas are set by those skilled in the art according to the actual situation.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form 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 understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. A heat dissipation system for a projector, 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 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; carrying out heat radiation detection on the projector with abnormal operation through a heat radiation early warning unit;
the analysis process of the hardware analysis unit is as follows:
marking a projector running in real time as i, wherein i is a natural number larger than 1, acquiring the space volume of the projector running in real time corresponding to the set top box and the resolution of the projector running in real time, and marking the space volume of the projector running in real time corresponding to the set top box and the resolution of the projector running in real time as TJi and FBi respectively; and comparing the space volume of the real-time operation projector corresponding to the set top box and the resolution of the real-time operation projector with a space volume threshold and a resolution threshold respectively:
if the space volume of the corresponding set top box of the real-time operation projector 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 operation precision of the corresponding projector is high and the heat dissipation requirement is large, and marking the corresponding projector as high-precision high-requirement equipment; if the space volume of the corresponding set top box of the real-time operation projector 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 small, and marking the corresponding projector as low-precision low-requirement equipment; if the space volume of the corresponding set top box of the real-time operation projector 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 small, and marking the corresponding projector as high-precision low-requirement equipment; if the space volume of the corresponding set top box of 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-demand equipment;
transmitting 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;
after receiving 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, the server performs projector screening according to the real-time operation requirement, and marks the low-precision high-demand equipment as unsuitable equipment; if the real-time operation requirement is a high-precision requirement, taking high-precision low-requirement equipment as a first-choice equipment; and if the real-time operation requirement is a low-precision requirement, marking the low-precision low-requirement equipment as the preferred equipment.
2. The heat dissipation system of a projector according to claim 1, wherein the parameter analysis process of the parameter analysis unit is as follows:
the projector with the history faults is collected and marked as a fault projector, the temperature value and the temperature reduction speed in the set top box corresponding to the fault projector when the faults occur are collected, and the temperature value and the temperature reduction speed in the set top box corresponding to the fault projector when the faults occur are compared with a temperature value threshold and a temperature reduction speed threshold respectively:
if the temperature value in the corresponding set top box of the fault projector is larger 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 value when the fault occurs, marking the temperature reduction speed in the corresponding set top box as the fault speed;
collecting fault temperature and fault speed corresponding to a fault projector, collecting 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 a fault speed range according to the maximum value and the minimum value of the fault speed, and carrying out one-to-one correspondence on the fault temperature and the fault speed, wherein if the temperature in the set top box reaches the fault temperature, the temperature reduction speed is required to be larger than the fault speed; if the temperature in the set top box is reduced to the fault speed, the temperature in the set top box is required to be smaller than the fault temperature;
the fault temperature range and the fault speed range are sent to a server.
3. The heat radiation system of a projector according to claim 1, wherein the operation detection process of the operation detection unit is as follows:
setting detection time and dividing the detection time into k subintervals, wherein k is a natural number larger than 1, acquiring values of the bulb flickering frequency, the continuous operation time length of the projector and the environment temperature higher than the temperature in the set top box in each subinterval, and marking values of the bulb flickering frequency, the continuous operation time length of the projector and the environment temperature higher than the temperature in the set top box in each subinterval as PLk, SCk and CZk respectively; by the formula
Obtaining an operation detection coefficient Xk of the projector, wherein a1, a2 and a3 are preset proportional coefficients, a1 is more than a2 and more than a3 is more than 0, beta is an error correction factor, and the value is 1.35;
comparing the operation detection coefficient of the projector with an operation detection coefficient threshold value:
if the operation detection coefficient of the projector is more than or equal to the operation detection coefficient threshold value, judging that the projector is in load operation in the corresponding sub-time period, and marking the corresponding sub-time period as an abnormal time period; if the operation detection coefficient of the projector is smaller than the operation detection coefficient threshold value, judging that the projector operates normally 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 abnormal time periods in the 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 is normal in operation, generating a normal operation signal and sending the normal operation signal to a server; if the number of the normal time periods is smaller than the number 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, the corresponding projection operation is judged to be abnormal, an abnormal operation signal is generated, and the abnormal operation signal is sent to the server.
4. The heat dissipation system of a projector according to claim 1, wherein the heat dissipation pre-warning unit performs the following pre-warning process:
acquiring a temperature value in the set top box corresponding to the projector with abnormal operation, marking the temperature value in the set top box corresponding to the projector with abnormal operation as real-time abnormal temperature, comparing the real-time abnormal temperature with a fault temperature range, if the real-time abnormal temperature is consistent with the fault temperature range, acquiring a fault speed corresponding to the fault temperature, marking the corresponding fault speed as a heat dissipation speed lower limit value, and comparing the acquired real-time heat dissipation speed with the heat dissipation speed lower limit value: if the real-time heat dissipation speed is larger than the heat dissipation speed lower limit value, marking the difference value between the real-time heat dissipation speed and the heat dissipation speed lower limit value as a positive difference value, collecting a heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value, if the heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value is larger than a floating value threshold value, generating a speed early warning signal and sending the speed early warning signal to a server, and if the heat dissipation speed difference value floating value corresponding to the real-time heat dissipation speed and the heat dissipation speed lower limit value is smaller than the floating value threshold value, sending a heat dissipation normal signal and sending the heat dissipation normal 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 temperature values are not consistent with the real-time abnormal temperature, acquiring a difference value between the temperature value in the fault temperature range and the real-time abnormal temperature, acquiring a 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 larger 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; 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 pauses the operation of the projector if the real-time heat dissipation speed is smaller than the real-time fault speed limit value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111294918.8A CN114002901B (en) | 2021-11-03 | 2021-11-03 | Heat radiation system of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111294918.8A CN114002901B (en) | 2021-11-03 | 2021-11-03 | Heat radiation system of projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114002901A CN114002901A (en) | 2022-02-01 |
| CN114002901B true CN114002901B (en) | 2023-06-20 |
Family
ID=79926871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111294918.8A Active CN114002901B (en) | 2021-11-03 | 2021-11-03 | Heat radiation system of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114002901B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115248569A (en) * | 2022-09-21 | 2022-10-28 | 苏州梦涞信息科技有限公司 | Equipment monitoring system based on cloud computing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1704865A (en) * | 2004-06-02 | 2005-12-07 | 联想(北京)有限公司 | Server heat dissipation administrative system and method thereof |
| CN107463233A (en) * | 2017-08-16 | 2017-12-12 | 联想(北京)有限公司 | The cooling control method and electronic equipment of a kind of electronic equipment |
| CN107526671A (en) * | 2017-09-04 | 2017-12-29 | 安徽爱她有果电子商务有限公司 | A kind of computer state monitoring system based on data cloud |
| US20190250205A1 (en) * | 2018-02-13 | 2019-08-15 | GM Global Technology Operations LLC | Thermal model based health assessment of igbt |
| CN112996368A (en) * | 2021-04-12 | 2021-06-18 | 上海有孚智数云创数字科技有限公司 | Heat dissipation method and device of data center |
| CN113204461B (en) * | 2021-04-16 | 2022-05-03 | 山东英信计算机技术有限公司 | Server hardware monitoring method, device, equipment and readable medium |
| CN113138902A (en) * | 2021-04-27 | 2021-07-20 | 上海英众信息科技有限公司 | Computer host heat dissipation system and device |
| CN113448298B (en) * | 2021-09-01 | 2021-11-16 | 深圳联钜自控科技有限公司 | Data acquisition system for automatic production equipment |
-
2021
- 2021-11-03 CN CN202111294918.8A patent/CN114002901B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114002901A (en) | 2022-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114002901B (en) | Heat radiation system of projector | |
| US20160119617A1 (en) | Fault detection and method of detecting faults in digital imaging systems | |
| CN105530437A (en) | Environment brightness measurement and calculation method and shooting device | |
| WO2017092445A1 (en) | Method and device for switching between operation modes of video monitoring apparatus | |
| US10229481B2 (en) | Automatic defective digital motion picture pixel detection | |
| CN104460355A (en) | Automatic focusing optical detecting system of liquid crystal display panel | |
| CN115272892B (en) | Unmanned aerial vehicle positioning deviation monitoring management and control system based on data analysis | |
| CN105451017A (en) | Camera module photosensitive quality detection method and device | |
| CN116939180A (en) | Multimedia equipment state monitoring system based on Internet of things | |
| CN109724775B (en) | Optical module open loop life compensation method and system | |
| JP4473479B2 (en) | Image processing apparatus and image processing system | |
| CN103970304B (en) | Optical mouse apparatus and use method in optical mouse apparatus | |
| CN109922335B (en) | Camera focusing test method and device based on contrast type focusing method | |
| CN114530119B (en) | Correction coefficient correction method, device and system based on gray scale | |
| CN111375522A (en) | Gluing device and gluing method | |
| WO2022121264A1 (en) | Inspection method of obstacle-crossing robot for high-voltage power transmission line, and related devices | |
| CN106468762A (en) | A kind of circuit breaker adjustment screw vision positioning system | |
| TWI594211B (en) | Monitor device and method for monitoring moving object | |
| WO2020103761A1 (en) | Bearing maintenance timing acquisition method | |
| CN111623963B (en) | Multi-laser level modulation triggering method for intelligently monitoring shield tail clearance | |
| CN112964179B (en) | Linewidth measurement error compensation method for CD measuring machine | |
| CN104469329A (en) | Method and system for intelligent image displaying for transformer substation video monitoring | |
| US20230199300A1 (en) | Information processing apparatus, shooting system, method, and non-transitory computer-readable storage medium | |
| CN205372458U (en) | Freeway surveillance and control light redundant system of shooing | |
| CN111866586B (en) | Underground video data processing method and device, electronic equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |