CN111816131A - Method for solving slow refreshing of display screen during low-temperature starting - Google Patents
Method for solving slow refreshing of display screen during low-temperature starting Download PDFInfo
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- CN111816131A CN111816131A CN202010504789.XA CN202010504789A CN111816131A CN 111816131 A CN111816131 A CN 111816131A CN 202010504789 A CN202010504789 A CN 202010504789A CN 111816131 A CN111816131 A CN 111816131A
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- glass
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Theoretical Computer Science (AREA)
- Automation & Control Theory (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a method for solving slow refreshing of a display screen at low temperature, which comprises the following steps of S1: selecting a power grade to heat the heating glass; step S2: after the heating glass is electrified, heat is conducted to the liquid crystal glass positioned on one side of the heating glass, so that the refresh rate of the liquid crystal glass is recovered to a normal value; step S3: the control module monitors the heating glass and the liquid crystal glass in real time and gives an alarm through the alarm when the heating glass or the liquid crystal glass is in fault. The invention discloses a method for solving the problem that a display screen is slowly refreshed when being started at a low temperature, which can heat the display screen within a very short time and solve the problems that the display screen is slowly refreshed and the display content is smeared in a low-temperature environment.
Description
Technical Field
The invention belongs to the technical field of heating of display screens, and particularly relates to a method for solving slow refreshing of a display screen during low-temperature starting.
Background
The core of the LCD screen display is "the change of the alignment direction of the liquid crystal molecules", i.e. the movement of the liquid crystal molecules. Therefore, the display quality of the LCD screen can be changed as long as there are factors that can affect the movement of the liquid crystal molecules in the environment. Just as the liquid crystal material is very sensitive to the temperature of the environment, the lower the temperature, the slower the liquid crystal molecules turn over, meaning that the response time of the screen becomes longer. Thus, although the manufacturer shortens the response time of the LCD screen through various methods, the ambient temperature may not be a factor that the manufacturer can control. The brightness is reduced under low temperature environment, and the response time is greatly reduced. In sub-zero environments, the LCD screen may cease to operate if an auxiliary heating device is not used.
Therefore, even if the manufacturer shortens the response time of the LCD screen, the response speed of the LCD screen cannot reach the nominal value of the manufacturer as soon as the temperature drops more than enough in winter, and a more obvious smear phenomenon may occur, which can be clearly captured by the human eyes.
Disclosure of Invention
The invention mainly aims to provide a method for solving the problem that a display screen is slowly refreshed after being started at a low temperature, the display screen can be heated in a very short time, and the problems that the display screen is slowly refreshed and the displayed content is smeared in a low-temperature environment are solved.
The invention also aims to provide a method for solving the problem of slow starting and refreshing of the display screen at low temperature, which has the advantages of high safety, heating blocks, high efficiency and the like.
In order to achieve the above object, the present invention provides a method for solving slow refresh of a display screen at low temperature, which is used for starting the display screen at low temperature, and comprises the following steps:
step S1: selecting a power grade to heat the heating glass (the display screen comprises the heating glass, liquid crystal glass and a backlight module);
step S2: after the heating glass is electrified, heat is conducted to the liquid crystal glass positioned on one side of the heating glass, so that the refresh rate of the liquid crystal glass is recovered to a normal value;
step S3: the control module monitors the heating glass and the liquid crystal glass in real time and gives an alarm through the alarm when the heating glass or the liquid crystal glass is in fault.
As a further preferable embodiment of the above technical means, step S1 is specifically implemented as the following steps:
step S1.1: the temperature sensor collects the outside temperature;
step S1.2: if the outside temperature is between minus 50 ℃ and minus 20 ℃, the first power level is selected to heat the heating glass;
step S1.3: if the outside temperature is between minus 20 ℃ and 0 ℃, selecting a second power level to heat the heating glass;
step S1.4: and if the external temperature is between 0 and 10 ℃, selecting a third power level to heat the heating glass.
As a further preferable embodiment of the above technical means, step S3 is specifically implemented as the following steps:
step S3.1: the control module monitors the heating glass in real time and gives an alarm through the alarm when monitoring the fault of the heating glass;
step S3.2: the control module monitors the liquid crystal glass in real time and gives an alarm through the alarm when monitoring the liquid crystal glass fault.
As a further preferred embodiment of the above technical solution, step S3.1 is specifically implemented as the following steps:
step S3.1.1: the control module monitors the temperature of the heated glass in real time through a temperature sensor;
step S3.1.2: if the temperature of the heating glass exceeds a set threshold value or the temperature value of the heating glass is not changed, the control module alarms through an alarm and cuts off a power supply (including a loudspeaker alarm, an indicator lamp alarm lamp and the like) (sometimes, the heating glass is heated without an upper limit during a fault, which not only causes potential safety hazards but also damages a display screen, and sometimes, when the heating glass is broken and damaged, the heating glass cannot be heated no matter what power level is selected, so that alarm prompt is also needed);
step S3.1.3: the control module records (the control module records the alarm, the alarm can prompt the alarm content on the display screen, such as open circuit and short circuit; the reason of frequent faults can be known by the record so as to pay attention).
As a further preferred embodiment of the above technical solution, step S3.2 is specifically implemented as the following steps:
step S3.2.1: the control module monitors the temperature of the liquid crystal glass in real time through a temperature sensor;
step S3.2.2: when the refresh rate of the liquid crystal glass is recovered to a normal value, cutting off the power-on state of the heating glass and prompting that the heating is finished on the display screen (the liquid crystal display screen can be started normally, the display content is normal and has no smear);
step S3.2.3: if the temperature of the liquid crystal glass exceeds a set threshold value or the temperature value of the liquid crystal glass is not changed, the control module gives an alarm through the alarm and cuts off the power supply (therefore, the liquid crystal glass is heated through the heating glass, which is equivalent to secondary monitoring of the heating glass, and the liquid crystal glass is damaged, so that the temperature cannot be raised normally).
As a more preferable embodiment of the above-mentioned means, before step S1, the method further includes:
step S0: and performing scheduled heating on the heating glass.
As a further preferable embodiment of the above technical means, step S0 is specifically implemented as the following steps:
step S0.1: the heating glass is heated in a scheduled mode through the control module (for example, a vehicle-mounted display screen is fixed in working time every day, and the heating glass can be heated in a low-temperature environment within a set time (for example, 7 am), so that a son vehicle owner can enter the vehicle and start the vehicle directly when arriving, and the display screen cannot be smeared);
step S0.2: communication equipment carries out the heating of reservation such as on-vehicle display screen to heating glass through control module, (carries out wireless connection with control module and communication equipment (for example cell-phone), can heat heating glass through the cell-phone when indoor, thereby the son car owner can enter the car when arriving and directly start and can not lead to the display screen smear to appear).
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
In the preferred embodiment of the present invention, those skilled in the art should note that the communication devices, alarms, etc. related to the present invention can be regarded as the prior art.
A first embodiment.
The invention discloses a method for solving slow starting and refreshing of a display screen at low temperature, which is used for starting the display screen at low temperature and comprises the following steps:
step S1: selecting a power grade to heat the heating glass (the display screen comprises the heating glass, liquid crystal glass and a backlight module);
step S2: after the heating glass is electrified, heat is conducted to the liquid crystal glass positioned on one side of the heating glass, so that the refresh rate of the liquid crystal glass is recovered to a normal value;
step S3: the control module monitors the heating glass and the liquid crystal glass in real time and gives an alarm through the alarm when the heating glass or the liquid crystal glass is in fault.
Specifically, step S1 is implemented as the following steps:
step S1.1: the temperature sensor collects the outside temperature;
step S1.2: if the outside temperature is between minus 50 ℃ and minus 20 ℃, the first power level is selected to heat the heating glass;
step S1.3: if the outside temperature is between minus 20 ℃ and 0 ℃, selecting a second power level to heat the heating glass;
step S1.4: and if the external temperature is between 0 and 10 ℃, selecting a third power level to heat the heating glass.
Preferably, the following advantages are obtained by selecting different power levels at different ambient temperatures: 1. the lower the temperature, the faster the heating is needed to save time (the power is ranked in a large to small order: the first power level, the second power level and the third power level), so different power levels correspond to different external temperatures, if the external temperature is between 0 and 10 degrees, the first power level is selected to heat the heating glass, the refresh rate of the liquid crystal glass is recovered to a normal value in case of 10 seconds, but the third power level is selected to heat the heating glass, and as a result, the refresh rate of the liquid crystal glass is recovered to the normal value in case of 11 seconds, the difference is not large, but the third power level is selected to heat the heating glass between 50 ℃ below zero and 20 ℃ below zero in case of the external temperature, and the time difference of recovering the refresh rate of the liquid crystal glass to the normal value is large in comparison with the case of selecting the first power level to heat the heating glass, so different power levels are selected, when the outside temperature is high, the power can be selected to be low to save cost, and when the outside temperature is low, the power is selected to be high to save time.
More specifically, step S3 is specifically implemented as the following steps:
step S3.1: the control module monitors the heating glass in real time and gives an alarm through the alarm when monitoring the fault of the heating glass;
step S3.2: the control module monitors the liquid crystal glass in real time and gives an alarm through the alarm when monitoring the liquid crystal glass fault.
Further, step S3.1 is embodied as the following steps:
step S3.1.1: the control module monitors the temperature of the heated glass in real time through a temperature sensor;
step S3.1.2: if the temperature of the heating glass exceeds a set threshold value or the temperature value of the heating glass is not changed, the control module alarms through an alarm and cuts off a power supply (including a loudspeaker alarm, an indicator lamp alarm lamp and the like) (sometimes, the heating glass is heated without an upper limit during a fault, which not only causes potential safety hazards but also damages a display screen, and sometimes, when the heating glass is broken and damaged, the heating glass cannot be heated no matter what power level is selected, so that alarm prompt is also needed);
step S3.1.3: the control module records (the control module records the alarm, the alarm can prompt the alarm content on the display screen, such as open circuit and short circuit; the reason of frequent faults can be known by the record so as to pay attention).
Further, step S3.2 is embodied as the following steps:
step S3.2.1: the control module monitors the temperature of the liquid crystal glass in real time through a temperature sensor;
step S3.2.2: when the refresh rate of the liquid crystal glass is recovered to a normal value, cutting off the power-on state of the heating glass and prompting that the heating is finished on the display screen (the liquid crystal display screen can be started normally, the display content is normal and has no smear);
step S3.2.3: if the temperature of the liquid crystal glass exceeds a set threshold value or the temperature value of the liquid crystal glass is not changed, the control module gives an alarm through the alarm and cuts off the power supply (therefore, the liquid crystal glass is heated through the heating glass, which is equivalent to secondary monitoring of the heating glass, and the liquid crystal glass is damaged, so that the temperature cannot be raised normally).
Second embodiment (preferred embodiment).
The invention discloses a method for solving slow starting and refreshing of a display screen at low temperature, which is used for starting the display screen at low temperature and comprises the following steps:
step S1: selecting a power grade to heat the heating glass (the display screen comprises the heating glass, liquid crystal glass and a backlight module);
step S2: after the heating glass is electrified, heat is conducted to the liquid crystal glass positioned on one side of the heating glass, so that the refresh rate of the liquid crystal glass is recovered to a normal value;
step S3: the control module monitors the heating glass and the liquid crystal glass in real time and gives an alarm through the alarm when the heating glass or the liquid crystal glass is in fault.
Specifically, step S1 is implemented as the following steps:
step S1.1: the temperature sensor collects the outside temperature;
step S1.2: if the outside temperature is between minus 50 ℃ and minus 20 ℃, the first power level is selected to heat the heating glass;
step S1.3: if the outside temperature is between minus 20 ℃ and 0 ℃, selecting a second power level to heat the heating glass;
step S1.4: and if the external temperature is between 0 and 10 ℃, selecting a third power level to heat the heating glass.
Preferably, the following advantages are obtained by selecting different power levels at different ambient temperatures: 1. the lower the temperature, the faster the heating is needed to save time (the power is ranked in a large to small order: the first power level, the second power level and the third power level), so different power levels correspond to different external temperatures, if the external temperature is between 0 and 10 degrees, the first power level is selected to heat the heating glass, the refresh rate of the liquid crystal glass is recovered to a normal value in case of 10 seconds, but the third power level is selected to heat the heating glass, and as a result, the refresh rate of the liquid crystal glass is recovered to the normal value in case of 11 seconds, the difference is not large, but the third power level is selected to heat the heating glass between 50 ℃ below zero and 20 ℃ below zero in case of the external temperature, and the time difference of recovering the refresh rate of the liquid crystal glass to the normal value is large in comparison with the case of selecting the first power level to heat the heating glass, so different power levels are selected, when the outside temperature is high, the power can be selected to be low to save cost, and when the outside temperature is low, the power is selected to be high to save time.
More specifically, step S3 is specifically implemented as the following steps:
step S3.1: the control module monitors the heating glass in real time and gives an alarm through the alarm when monitoring the fault of the heating glass;
step S3.2: the control module monitors the liquid crystal glass in real time and gives an alarm through the alarm when monitoring the liquid crystal glass fault.
Further, step S3.1 is embodied as the following steps:
step S3.1.1: the control module monitors the temperature of the heated glass in real time through a temperature sensor;
step S3.1.2: if the temperature of the heating glass exceeds a set threshold value or the temperature value of the heating glass is not changed, the control module alarms through an alarm and cuts off a power supply (including a loudspeaker alarm, an indicator lamp alarm lamp and the like) (sometimes, the heating glass is heated without an upper limit during a fault, which not only causes potential safety hazards but also damages a display screen, and sometimes, when the heating glass is broken and damaged, the heating glass cannot be heated no matter what power level is selected, so that alarm prompt is also needed);
step S3.1.3: the control module records (the control module records the alarm, the alarm can prompt the alarm content on the display screen, such as open circuit and short circuit; the reason of frequent faults can be known by the record so as to pay attention).
Further, step S3.2 is embodied as the following steps:
step S3.2.1: the control module monitors the temperature of the liquid crystal glass in real time through a temperature sensor;
step S3.2.2: when the refresh rate of the liquid crystal glass is recovered to a normal value, cutting off the power-on state of the heating glass and prompting that the heating is finished on the display screen (the liquid crystal display screen can be started normally, the display content is normal and has no smear);
step S3.2.3: if the temperature of the liquid crystal glass exceeds a set threshold value or the temperature value of the liquid crystal glass is not changed, the control module gives an alarm through the alarm and cuts off the power supply (therefore, the liquid crystal glass is heated through the heating glass, which is equivalent to secondary monitoring of the heating glass, and the liquid crystal glass is damaged, so that the temperature cannot be raised normally).
Preferably, before step S1, the method further includes:
step S0: and performing scheduled heating on the heating glass.
Preferably, step S0 is embodied as the following steps:
step S0.1: the heating glass is heated in a scheduled mode through the control module (for example, a vehicle-mounted display screen is fixed in working time every day, and the heating glass can be heated in a low-temperature environment within a set time (for example, 7 am), so that a son vehicle owner can enter the vehicle and start the vehicle directly when arriving, and the display screen cannot be smeared);
step S0.2: communication equipment carries out the heating of reservation such as on-vehicle display screen to heating glass through control module, (carries out wireless connection with control module and communication equipment (for example cell-phone), can heat heating glass through the cell-phone when indoor, thereby the son car owner can enter the car when arriving and directly start and can not lead to the display screen smear to appear).
It should be noted that the technical features of the communication device, the alarm, and the like related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be conventional choices in the field, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. A method for solving slow starting and refreshing of a display screen at low temperature is used for starting the display screen at low temperature, and is characterized by comprising the following steps:
step S1: selecting a power grade to heat the heating glass;
step S2: after the heating glass is electrified, heat is conducted to the liquid crystal glass positioned on one side of the heating glass, so that the refresh rate of the liquid crystal glass is recovered to a normal value;
step S3: the control module monitors the heating glass and the liquid crystal glass in real time and gives an alarm through the alarm when the heating glass or the liquid crystal glass is in fault.
2. The method as claimed in claim 1, wherein the step S1 is implemented by:
step S1.1: the temperature sensor collects the outside temperature;
step S1.2: if the outside temperature is between minus 50 ℃ and minus 20 ℃, the first power level is selected to heat the heating glass;
step S1.3: if the outside temperature is between minus 20 ℃ and 0 ℃, selecting a second power level to heat the heating glass;
step S1.4: and if the external temperature is between 0 and 10 ℃, selecting a third power level to heat the heating glass.
3. The method as claimed in claim 2, wherein the step S3 is implemented by:
step S3.1: the control module monitors the heating glass in real time and gives an alarm through the alarm when monitoring the fault of the heating glass;
step S3.2: the control module monitors the liquid crystal glass in real time and gives an alarm through the alarm when monitoring the liquid crystal glass fault.
4. The method for solving the slow start-up refresh of the display screen at the low temperature according to claim 3, wherein the step S3.1 is implemented as the following steps:
step S3.1.1: the control module monitors the temperature of the heated glass in real time through a temperature sensor;
step S3.1.2: if the temperature of the heating glass exceeds a set threshold value or the temperature value of the heating glass is not changed, the control module gives an alarm through an alarm and cuts off the power supply;
step S3.1.3: and recording by the control module.
5. The method for solving the slow refresh problem of the display screen initiated at the low temperature as claimed in claim 4, wherein the step S3.2 is implemented as the following steps:
step S3.2.1: the control module monitors the temperature of the liquid crystal glass in real time through a temperature sensor;
step S3.2.2: when the refresh rate of the liquid crystal glass is recovered to a normal value, cutting off the power-on state of the heating glass and indicating that the heating is finished on the display screen;
step S3.2.3: if the temperature of the liquid crystal glass exceeds a set threshold value or the temperature value of the liquid crystal glass is not changed, the control module gives an alarm through the alarm and cuts off the power supply.
6. The method for solving the slow refresh of the display screen initiated at low temperature according to any one of claims 1 or 4, further comprising, before step S1:
step S0: and performing scheduled heating on the heating glass.
7. The method as claimed in claim 6, wherein the step S0 is implemented by:
step S0.1: heating the heating glass in an appointment mode through a control module;
step S0.2: the communication equipment performs scheduled heating on the heating glass through the control module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010504789.XA CN111816131A (en) | 2020-06-05 | 2020-06-05 | Method for solving slow refreshing of display screen during low-temperature starting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010504789.XA CN111816131A (en) | 2020-06-05 | 2020-06-05 | Method for solving slow refreshing of display screen during low-temperature starting |
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Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |