CN112286259A - Electronic whiteboard temperature regulation control method and device, storage medium and thermosensitive circuit - Google Patents
Electronic whiteboard temperature regulation control method and device, storage medium and thermosensitive circuit Download PDFInfo
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- CN112286259A CN112286259A CN202011265185.0A CN202011265185A CN112286259A CN 112286259 A CN112286259 A CN 112286259A CN 202011265185 A CN202011265185 A CN 202011265185A CN 112286259 A CN112286259 A CN 112286259A
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- electronic whiteboard
- circuit board
- temperature
- value
- thermosensitive
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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
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
Abstract
The invention discloses a temperature regulation control method of an electronic whiteboard, which comprises the steps of obtaining a first voltage value of a first thermosensitive circuit collecting end, a second voltage value of a second thermosensitive circuit collecting end and a third voltage value of a third thermosensitive circuit collecting end; respectively calculating a first temperature value, a second temperature value and a third temperature value of the thermistor in the current thermosensitive circuit according to the first voltage value, the second voltage value and the third voltage value; and respectively obtaining the current temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board according to the first temperature value, the second temperature value and the third temperature value, and judging the working states of the power circuit board, the main control circuit board and the LCD screen circuit board based on a preset temperature threshold value. Meanwhile, the invention also provides a thermosensitive circuit, an electronic whiteboard temperature adjusting and controlling device and a storage medium. According to the technical scheme provided by the invention, the temperature of the electronic whiteboard is adjusted and controlled, and the influence on the use of the electronic whiteboard due to damage caused by overheating is avoided.
Description
Technical Field
The invention relates to the technical field of electronic whiteboard temperature adjustment control, in particular to an electronic whiteboard temperature adjustment control method, an electronic whiteboard temperature adjustment control device, a storage medium and a thermosensitive circuit.
Background
The screen of whiteboard is great, all exceed 60 inches usually, when using whiteboard, often hang whiteboard on the wall or embed into the wall inside, whiteboard's heat dissipation is not too good like this, but among the prior art, monitor through obtaining whiteboard CPU's temperature usually, force when CPU temperature exceedes preset temperature threshold and close whiteboard to play whiteboard protection's effect. However, the electronic whiteboard is relatively large, and the intervals of the components in the electronic whiteboard are large, so the temperature of the CPU cannot represent that the electronic whiteboard has no problem, the temperature of the components which often generate heat, such as a power supply template and an LCD screen, is not effectively monitored, the high temperature resistance of the CPU can exceed 120 degrees and is much higher than that of other components, and the electronic whiteboard cannot be ensured to be normal only by obtaining the temperature of the CPU, so that the electronic whiteboard is damaged due to overheating of the components in use.
Disclosure of Invention
The invention provides a method and a device for adjusting and controlling the temperature of an electronic whiteboard, a storage medium and a thermosensitive circuit, and aims to solve the problem of adjusting and controlling the temperature of components which are easy to generate heat in the conventional electronic whiteboard.
In order to achieve the above object, the present invention provides an electronic whiteboard temperature adjustment control method, which includes:
acquiring a first voltage value of a first thermosensitive circuit acquisition end, a second voltage value of a second thermosensitive circuit acquisition end and a third voltage value of a third thermosensitive circuit acquisition end; the first thermosensitive circuit acquisition end is connected with an ADC voltage acquisition module of a power circuit board of the electronic whiteboard, the second thermosensitive circuit is connected with the ADC voltage acquisition module of the main control circuit board, and the third thermosensitive circuit is connected with the ADC voltage acquisition module of the LCD screen circuit board;
calculating a first temperature value of a thermistor in the first thermosensitive circuit according to the first voltage value; calculating a second temperature value of a thermistor in the second thermosensitive circuit according to the second voltage value; calculating a third temperature value of the thermistor in the third thermistor according to the third voltage value;
and respectively obtaining the current temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board according to the first temperature value, the second temperature value and the third temperature value, and judging the working states of the power circuit board, the main control circuit board and the LCD screen circuit board based on a preset temperature threshold value.
Further, the electronic whiteboard temperature adjustment control method further includes:
and when the current temperatures of the power supply circuit board, the main control circuit board and the LCD screen circuit board exceed a preset temperature threshold value, starting a built-in fan to cool or closing the electronic whiteboard and sending an alarm.
Further, the ADC voltage acquisition module samples 10 times per second.
Meanwhile, the invention provides a thermosensitive circuit for the electronic whiteboard temperature adjustment control method, wherein the thermosensitive circuit comprises a thermistor RL17 and a collection end connected with the thermistor, and the thermistor RL17 is connected with a backup direct-current voltage through a resistor RL972, is connected with a capacitor CL860 in parallel through a resistor RL18 and is grounded.
Furthermore, the present invention provides an electronic whiteboard temperature adjustment control device, which includes a memory and a processor, wherein the memory stores an electronic whiteboard temperature adjustment control program operable on the processor, and the electronic whiteboard temperature adjustment control program, when executed by the processor, implements the steps of the electronic whiteboard temperature adjustment control method as described above.
The present invention also provides a storage medium, which is a computer-readable storage medium, and the storage medium stores thereon an electronic whiteboard temperature adjustment control program, which is executable by one or more processors to implement the steps of the electronic whiteboard temperature adjustment control method as described above.
According to the electronic whiteboard temperature regulation control method, the electronic whiteboard temperature regulation control device, the storage medium and the thermosensitive circuit, the voltage values are collected through the ADC voltage collecting modules on the power circuit board, the main control circuit board and the LCD screen circuit board, and then the real-time temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board of the components which are easy to heat in the electronic whiteboard are calculated, so that the temperature regulation and control of the electronic whiteboard are realized, and the electronic whiteboard is prevented from being damaged due to overheating to influence on use.
Drawings
Fig. 1 is a schematic flow chart of an electronic whiteboard temperature adjustment control method according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a thermal sensing circuit according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of an electronic whiteboard temperature adjustment and control apparatus according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an electronic whiteboard temperature adjustment control program module in the electronic whiteboard temperature adjustment control apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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 embodiment of the present invention provides a method for adjusting and controlling an electronic whiteboard temperature, where the method for adjusting and controlling an electronic whiteboard temperature includes:
step S10: acquiring a first voltage value of a first thermosensitive circuit acquisition end, a second voltage value of a second thermosensitive circuit acquisition end and a third voltage value of a third thermosensitive circuit acquisition end; the first thermosensitive circuit acquisition end is connected with an ADC voltage acquisition module of a power circuit board of the electronic whiteboard, the second thermosensitive circuit is connected with the ADC voltage acquisition module of the main control circuit board, and the third thermosensitive circuit is connected with the ADC voltage acquisition module of the LCD screen circuit board; the ADC voltage acquisition module samples for 10 times per second;
step S20: calculating a first temperature value of a thermistor in the first thermosensitive circuit according to the first voltage value; calculating a second temperature value of a thermistor in the second thermosensitive circuit according to the second voltage value; calculating a third temperature value of the thermistor in the third thermistor according to the third voltage value; specifically, the resistance value of the thermistor has a direct relationship with the temperature, the current resistance value of the thermistor is calculated through the voltage value of the acquisition end of the thermistor circuit, and then the current temperature of the thermistor can be obtained by looking up a table according to the resistance value;
step S30: respectively obtaining the current temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board according to the first temperature value, the second temperature value and the third temperature value, and judging the working states of the power circuit board, the main control circuit board and the LCD screen circuit board based on a preset temperature threshold value;
step S40: and when the current temperatures of the power supply circuit board, the main control circuit board and the LCD screen circuit board exceed a preset temperature threshold value, starting a built-in fan to cool or closing the electronic whiteboard and sending an alarm.
Specifically, in an embodiment of the present invention, the temperature threshold of the power circuit board is 60 °, when the temperature of the power circuit board exceeds 60 °, the operating temperature of the power circuit board is abnormal, and similarly, the temperature threshold of the LCD screen circuit board is 50 °, the operating temperature of the LCD screen circuit board is abnormal when the temperature of the LCD screen circuit board exceeds 50 °, the temperature threshold of the main control circuit board is 70 °, the operating temperature of the main control circuit board is abnormal when the temperature of the main control circuit board exceeds 70 °, and whether the operating temperature of the electronic whiteboard is abnormal can be accurately determined by setting different abnormal temperature thresholds according to the characteristics of different circuit components, and at this time, whether to turn on a built-in fan or turn off the electronic whiteboard can be selected, so as to avoid component damage caused by long-time operation at high temperature.
Referring to fig. 2, the present invention provides a thermal sensitive circuit for the above method for adjusting and controlling the temperature of an electronic whiteboard, the thermal sensitive circuit includes a thermal resistor RL17 and a collecting terminal (LS _ ADC1) connected to the thermal resistor, the thermal resistor RL17 is connected to a backup dc voltage through a resistor RL972, and is connected in parallel to a capacitor CL860 through a resistor RL18 and then grounded. The higher the voltage at the LS _ ADC1 end of the acquisition end is, the current resistance value of the thermistor RL17 can be calculated according to the voltage division principle, and the current temperature of the thermistor RL17 can be obtained by looking up a table according to the resistance value. At this time, the temperature of the thermistor RL17 is actually the surface temperature of the 220V ac power supply circuit board, the LCD screen circuit board and the main control circuit board, that is, the surface temperature of the ac power supply board, the LCD screen and the main control board, and the surface temperature of the ac power supply board, the LCD screen and the main control board can be respectively obtained by sampling 10 times per second based on the ADC voltage acquisition module.
In addition, the invention also provides an electronic whiteboard temperature adjusting and controlling device.
Referring to fig. 3, an internal structure diagram of an electronic whiteboard temperature adjustment and control device according to an embodiment of the present invention is provided, where the electronic whiteboard temperature adjustment and control device at least includes a memory 11 and a processor 12.
The memory 11 includes at least one type of readable storage medium, which includes a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, and the like. The memory 11 may in some embodiments be an internal storage unit of the electronic whiteboard temperature adjustment control arrangement, for example a hard disk of the electronic whiteboard temperature adjustment control arrangement. The memory 11 may also be an external storage device of the electronic whiteboard temperature adjustment and control apparatus in other embodiments, for example, a plug-in hard disk provided on the electronic whiteboard temperature adjustment and control apparatus, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. Further, the memory 11 may also include both an internal storage unit of the electronic whiteboard temperature adjustment control apparatus and an external storage device. The memory 11 can be used not only to store application software installed in the electronic whiteboard temperature adjustment control apparatus and various types of data, such as codes of the electronic whiteboard temperature adjustment control program, but also to temporarily store data that has been output or will be output.
The processor 12 may be, in some embodiments, a Central Processing Unit (CPU), controller, microcontroller, microprocessor or other data Processing chip, and is used for executing program codes stored in the memory 11 or Processing data, such as executing an electronic whiteboard temperature adjustment control program.
Fig. 3 shows only the electronic whiteboard temperature adjustment control arrangement of the electronic whiteboard temperature adjustment control program, and those skilled in the art will appreciate that the structure shown in fig. 3 does not constitute a limitation of the electronic whiteboard temperature adjustment control arrangement, and may include fewer or more components than those shown, or some components in combination, or a different arrangement of components.
In the embodiment of the electronic whiteboard temperature adjustment control apparatus shown in fig. 3, an electronic whiteboard temperature adjustment control program is stored in the memory 11; the processor 12 implements the following steps when executing the electronic whiteboard temperature adjustment control program stored in the memory 11:
step S10: acquiring a first voltage value of a first thermosensitive circuit acquisition end, a second voltage value of a second thermosensitive circuit acquisition end and a third voltage value of a third thermosensitive circuit acquisition end;
step S20: calculating a first temperature value of a thermistor in the first thermosensitive circuit according to the first voltage value; calculating a second temperature value of a thermistor in the second thermosensitive circuit according to the second voltage value; calculating a third temperature value of the thermistor in the third thermistor according to the third voltage value;
step S30: respectively obtaining the current temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board according to the first temperature value, the second temperature value and the third temperature value, and judging the working states of the power circuit board, the main control circuit board and the LCD screen circuit board based on a preset temperature threshold value;
step S40: and when the current temperatures of the power supply circuit board, the main control circuit board and the LCD screen circuit board exceed a preset temperature threshold value, starting a built-in fan to cool or closing the electronic whiteboard and sending an alarm.
Referring to fig. 4, a schematic diagram of program modules of an electronic whiteboard temperature adjustment control program in an embodiment of the electronic whiteboard temperature adjustment control apparatus according to the present invention is shown, in this embodiment, the electronic whiteboard temperature adjustment control program may be divided into an obtaining module 10, a calculating module 20, a judging module 30, and a control module 40, and exemplarily:
the acquisition module 10 is used for acquiring a voltage value of a thermosensitive circuit acquisition end;
the calculating module 20 is used for calculating the temperature value of the thermistor;
the judging module 30 is used for judging the working states of the power supply circuit board, the main control circuit board and the LCD screen circuit board;
and the control module 40 is used for starting a built-in fan to cool down or closing the electronic whiteboard and sending an alarm.
The functions or operation steps of the above-mentioned obtaining module 10, calculating module 20, judging module 30 and control module 40 when executed are substantially the same as those of the above-mentioned embodiments, and are not described herein again.
Furthermore, an embodiment of the present invention further provides a storage medium, where the storage medium is a computer-readable storage medium, and the storage medium stores an electronic whiteboard temperature adjustment control program, where the electronic whiteboard temperature adjustment control program is executable by one or more processors to implement the following operations:
step S10: acquiring a first voltage value of a first thermosensitive circuit acquisition end, a second voltage value of a second thermosensitive circuit acquisition end and a third voltage value of a third thermosensitive circuit acquisition end;
step S20: calculating a first temperature value of a thermistor in the first thermosensitive circuit according to the first voltage value; calculating a second temperature value of a thermistor in the second thermosensitive circuit according to the second voltage value; calculating a third temperature value of the thermistor in the third thermistor according to the third voltage value;
step S30: respectively obtaining the current temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board according to the first temperature value, the second temperature value and the third temperature value, and judging the working states of the power circuit board, the main control circuit board and the LCD screen circuit board based on a preset temperature threshold value;
step S40: and when the current temperatures of the power supply circuit board, the main control circuit board and the LCD screen circuit board exceed a preset temperature threshold value, starting a built-in fan to cool or closing the electronic whiteboard and sending an alarm.
The specific implementation of the storage medium of the present invention is substantially the same as the embodiments of the method and the apparatus for controlling temperature adjustment of an electronic whiteboard, and will not be described in detail herein.
Compared with the prior art, the electronic whiteboard temperature regulation control method, the electronic whiteboard temperature regulation control device, the storage medium and the thermosensitive circuit provided by the invention have the advantages that the voltage values are collected through the ADC voltage collecting modules on the power circuit board, the main control circuit board and the LCD screen circuit board, so that the real-time temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board of the components which are easy to heat in the electronic whiteboard are calculated, the temperature regulation and control on the electronic whiteboard are realized, and the electronic whiteboard is prevented from being damaged due to overheating to influence on use.
It should be noted that the above-mentioned numbers of the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments. And the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above, and includes instructions for enabling a terminal device (e.g., a drone, a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (6)
1. A temperature regulation control method for an electronic whiteboard is characterized by comprising the following steps:
acquiring a first voltage value of a first thermosensitive circuit acquisition end, a second voltage value of a second thermosensitive circuit acquisition end and a third voltage value of a third thermosensitive circuit acquisition end; the first thermosensitive circuit acquisition end is connected with an ADC voltage acquisition module of a power circuit board of the electronic whiteboard, the second thermosensitive circuit is connected with the ADC voltage acquisition module of the main control circuit board, and the third thermosensitive circuit is connected with the ADC voltage acquisition module of the LCD screen circuit board;
calculating a first temperature value of a thermistor in the first thermosensitive circuit according to the first voltage value; calculating a second temperature value of a thermistor in the second thermosensitive circuit according to the second voltage value; calculating a third temperature value of the thermistor in the third thermistor according to the third voltage value;
and respectively obtaining the current temperatures of the power circuit board, the main control circuit board and the LCD screen circuit board according to the first temperature value, the second temperature value and the third temperature value, and judging the working states of the power circuit board, the main control circuit board and the LCD screen circuit board based on a preset temperature threshold value.
2. The electronic whiteboard temperature adjustment control method according to claim 1, further comprising:
and when the current temperatures of the power supply circuit board, the main control circuit board and the LCD screen circuit board exceed a preset temperature threshold value, starting a built-in fan to cool or closing the electronic whiteboard and sending an alarm.
3. The electronic whiteboard temperature adjustment control method of claim 1, wherein the ADC voltage acquisition module performs 10 sampling per second.
4. A thermal sensitive circuit, which is applied to the electronic whiteboard temperature adjustment control method according to any one of claims 1 to 3, wherein the thermal sensitive circuit comprises a thermal resistor RL17 and a collecting terminal connected with the thermal resistor, the thermal resistor RL17 is connected with a backup dc voltage through a resistor RL972, and is connected in parallel with a capacitor CL860 through a resistor RL18 and then grounded.
5. An electronic whiteboard temperature adjustment control apparatus, characterized in that the electronic whiteboard temperature adjustment control apparatus comprises a memory and a processor, the memory stores an electronic whiteboard temperature adjustment control program operable on the processor, and the electronic whiteboard temperature adjustment control program, when executed by the processor, realizes the steps of the electronic whiteboard temperature adjustment control method according to any one of claims 1 to 3.
6. A storage medium, characterized in that the storage medium is a computer-readable storage medium, on which an electronic whiteboard temperature adjustment control program is stored, the electronic whiteboard temperature adjustment control program being executable by one or more processors to implement the steps of the electronic whiteboard temperature adjustment control method according to any one of claims 1 to 3.
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| CN202011265185.0A CN112286259A (en) | 2020-11-12 | 2020-11-12 | Electronic whiteboard temperature regulation control method and device, storage medium and thermosensitive circuit |
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| CN202011265185.0A CN112286259A (en) | 2020-11-12 | 2020-11-12 | Electronic whiteboard temperature regulation control method and device, storage medium and thermosensitive circuit |
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Address after: Room 238, room 406, 1 Yichuang street, Huangpu District, Guangzhou, Guangdong 510700 Applicant after: Guangzhou langguo Electronic Technology Co.,Ltd. Address before: 510700 15 / F, unit 1, building 2, Yunsheng Science Park, No. 11, Zhongmian Road, Huangpu District, Guangzhou City, Guangdong Province Applicant before: GUANGZHOU LANGO ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. |
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Application publication date: 20210129 |