CN111625068A - Environment self-adaptive case temperature control method, system, terminal equipment and storage medium - Google Patents
Environment self-adaptive case temperature control method, system, terminal equipment and storage medium Download PDFInfo
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- CN111625068A CN111625068A CN202010368176.8A CN202010368176A CN111625068A CN 111625068 A CN111625068 A CN 111625068A CN 202010368176 A CN202010368176 A CN 202010368176A CN 111625068 A CN111625068 A CN 111625068A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention relates to the technical field of automation control, in particular to an environment-adaptive case temperature control method, system, terminal equipment and storage medium. Receiving a starting-up instruction; collecting the air temperature, the temperature of a printed board and the temperature of important components in the case; if the air temperature in the case is not lower than a set first temperature threshold, supplying power to a main function module of the computer; if the air temperature in the case is lower than a set first temperature threshold, controlling the heating module to heat the interior of the case, starting to supply power to a main function module of the computer until the air temperature in the case reaches the first temperature threshold, and stopping heating when the temperature of the printed board and the temperature of the important component reach the first temperature threshold. The computer can work normally for a long time at a lower temperature or a higher temperature, can automatically adapt to the environmental temperature, adjusts the heat dissipation strength and saves electric energy.
Description
Technical Field
The invention relates to the technical field of automation control, in particular to an environment-adaptive case temperature control method, system, terminal equipment and storage medium.
Background
At present, in the fields of industrial production, national defense science and technology and the like, the environmental adaptability requirement of a computer control system used in the field becomes very strict, and particularly, the computer control system is required to have the capability of normally working for a long time at a lower temperature or a higher temperature. This undoubtedly raises the requirements for temperature-resistant indexes of components of the computer control system and the heat dissipation capability of the computer control system.
The existing computer only has the heat dissipation function under the common high-temperature environment, can only be suitable for the common environment, and does not have the capability of normally working for a long time at a lower temperature or a higher temperature.
Disclosure of Invention
The invention aims to provide an environment-adaptive case temperature control method, system, terminal equipment and storage medium, aiming at the defects of the prior art, and the environment-adaptive case temperature control method, system, terminal equipment and storage medium can normally work for a long time at a lower temperature or a higher temperature.
The technical scheme of the environment self-adaptive case temperature control method is as follows:
the method is applied to a case, a heating module is arranged in the case, and the method comprises the following steps:
receiving a starting-up instruction;
collecting the air temperature, the temperature of a printed board and the temperature of important components in the case;
if the air temperature in the case is not lower than a set first temperature threshold, supplying power to a main function module of the computer;
and if the air temperature in the case is lower than a set first temperature threshold, controlling the heating module to heat the interior of the case, starting to supply power to a main function module of the computer until the air temperature in the case reaches the first temperature threshold, and stopping heating when the temperature of the printed board and the temperature of the important component reach the first temperature threshold.
Preferably, the method further comprises the following steps:
in the running process of a computer, the air temperature outside a case, the temperature of a printed board and the temperature of important components are collected in real time;
if the temperature of the air outside the case is between a first temperature threshold and a second temperature threshold, and the temperature of the printed board and the temperature of the important components are stabilized in a normal temperature range, controlling an air inlet fan and an air outlet fan of the computer to operate at the minimum rotating speed;
if the temperature of the air outside the case is between the first temperature threshold and the second temperature threshold, but the temperature of the printed board and the temperature of the important components cannot be stabilized within the normal temperature range, the rotating speed of the fan is gradually increased until the temperature of the printed board and the temperature of the important components are within the normal temperature range;
if the temperature of the air outside the case is between the second temperature threshold and the third temperature threshold, controlling an air inlet fan and an air outlet fan of the computer to operate at the maximum rotating speed;
if the air temperature outside the case is higher than a third temperature threshold value, controlling an air inlet fan and an air outlet fan of the computer to run at the maximum rotating speed, and giving a high-temperature alarm when the temperature of an important component is close to the highest tolerance temperature;
the normal temperature range is the temperature of a printed board or the temperature range within which the performance of important components cannot be attenuated;
the stabilization in the normal temperature range means: and (3) predicting the temperature of the current temperature data at the T moment by utilizing a least square method and fitting a temperature curve based on the rotating speed of the fan and time, and if the temperature at the T moment obtained by prediction is in a normal temperature range, determining that the current temperature data is stable in the normal temperature range.
Preferably, when the difference between the temperature of the important component and the highest tolerance temperature of the important component reaches a% and the duration exceeds t, the reset level is sent to the computer.
Preferably, the high temperature alarm method is to light a high temperature alarm indicator and/or send an alarm sound.
Preferably, the heating module is an electric heating wire arranged behind the air inlet fan, the heating module supplies power to the electric heating wire to heat the inside of the case, and the air inlet fan of the computer rotates while the electric heating wire works.
Preferably, during the operation of the computer, the collected temperature data are periodically stored in a memory of the temperature control system.
The technical scheme of the environment self-adaptive case temperature control system is as follows:
be applied to quick-witted case, be provided with heating module in the quick-witted case, the system includes:
the temperature sensor is used for collecting the air temperature, the temperature of the printed board and the temperature of important components in the case;
the central control module is used for receiving a starting instruction and carrying out temperature judgment according to temperature data input by the temperature sensor, and the temperature judgment comprises
If the air temperature in the case is not lower than a set first temperature threshold, controlling the power supply module to supply power to a main function module of the computer;
if the air temperature in the case is lower than a set first temperature threshold, controlling the heating module to heat the interior of the case, starting to supply power to a main function module of the computer until the air temperature in the case reaches the first temperature threshold, and stopping heating when the temperature of the printed board and the temperature of the important components reach the first temperature threshold;
and the power supply module is used for supplying power to the main function module of the computer under the control of the central control module.
The invention has the beneficial effects that:
1. when the temperature is too low, the interior of the computer is preheated and then the main function module is electrified, so that the components which are not low-temperature resistant in the computer control system are prevented from being damaged, the components in the case can work within a common temperature range, and the service lives of the components are prolonged.
2. Under the condition that the temperature is at the conventional temperature, the rotating speed of the inlet and outlet fan is adjusted in real time according to the external environment temperature, the temperature of the printed board and the temperature of the important components, and the energy consumption is reduced to the lowest on the premise that the performance of the important components is not influenced.
3. When the temperature is too high, the mode of combining alarm and reset is adopted, the computer can be actively recovered to the running state of the computer just started under the condition that people do not timely cool the computer, the heating value is actively reduced by reducing the running load of the computer, and therefore all components of the computer are effectively prevented from being damaged.
Drawings
FIG. 1 is a schematic diagram illustrating a preheating process during start-up according to the present invention;
FIG. 2 is a schematic view of a fan control during operation of the present invention;
fig. 3 is a schematic diagram of module connection of an environment adaptive chassis temperature control system according to the present invention.
Detailed Description
The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.
As shown in fig. 1, the present invention provides an environment adaptive enclosure temperature control method, which is applied to an enclosure, in which a heating module is disposed, and the method includes:
receiving a starting-up instruction;
electrifying a temperature control system, and collecting the air temperature, the temperature of a printed board and the temperature of important components in the case;
if the air temperature in the case is not lower than a set first temperature threshold, supplying power to a main function module of the computer;
if the air temperature in the case is lower than a set first temperature threshold, the heating module is controlled to heat the interior of the case, the main function module of the computer is powered on until the air temperature in the case reaches the first temperature threshold, and heating is stopped when the temperature of the printed board and the temperature of the important components reach the first temperature threshold.
In this embodiment, the first temperature threshold is-10 ℃, the heating module is an electric heating wire disposed behind the air inlet fan, and the heating module heats the inside of the chassis by supplying power to the electric heating wire and driving the air inlet fan of the chassis to rotate, so as to blow hot air heated by the electric heating wire into the chassis.
As shown in fig. 2, in the running process of the computer, the air temperature outside the case, the temperature of the printed board and the temperature of the important components are collected in real time;
if the temperature of the air outside the case is between a first temperature threshold and a second temperature threshold, and the temperature of the printed board and the temperature of the important components are stabilized in a normal temperature range, controlling an air inlet fan and an air outlet fan of the computer to operate at the minimum rotating speed;
if the temperature of the air outside the case is between the first temperature threshold and the second temperature threshold, but the temperature of the printed board and the temperature of the important components cannot be stabilized within the normal temperature range, the rotating speed of the fan is gradually increased until the temperature of the printed board and the temperature of the important components are within the normal temperature range;
if the temperature of the air outside the case is between the second temperature threshold and the third temperature threshold, controlling an air inlet fan and an air outlet fan of the computer to operate at the maximum rotating speed;
if the air temperature outside the case is higher than a third temperature threshold value, controlling an air inlet fan and an air outlet fan of the computer to run at the maximum rotating speed, and giving a high-temperature alarm when the temperature of an important component is close to the highest tolerance temperature;
the normal temperature range is the temperature of a printed board or the temperature range in which the performance of important components cannot be attenuated;
stable in the normal temperature range means: and (3) predicting the temperature of the current temperature data at the T moment by utilizing a least square method and fitting a temperature curve based on the rotating speed of the fan and time, and if the temperature at the T moment obtained by prediction is in a normal temperature range, determining that the current temperature data is stable in the normal temperature range.
When the computer control system works, the temperature values of the temperature sensors can be stored in the internal memory periodically, and can be transmitted to an upper computer outside the case through an RS422 interface to be used for analyzing the working temperature of the case when necessary.
In this embodiment, the second temperature threshold is 40 ℃ and the third temperature threshold is 65 ℃; the high-temperature alarm method is that a central control module outputs a GPO port signal to light a high-temperature alarm indicator lamp and/or drive a generating unit to burst an alarm sound; and when the difference value between the temperature of the important component and the maximum tolerance temperature of the important component reaches 5 percent and the duration time exceeds half an hour, sending a reset level to the computer.
As shown in fig. 3, the environment self-adaptive case temperature control system of the present solution is applied to a case, a heating module is disposed in the case, and the system includes:
the temperature sensor is used for collecting the air temperature, the temperature of the printed board and the temperature of important components in the case;
a central control module for receiving the starting-up command and judging the temperature according to the temperature data input by the temperature sensor, wherein the temperature judgment comprises
If the air temperature in the case is not lower than a set first temperature threshold, controlling the power supply module to supply power to a main function module of the computer;
if the air temperature in the case is lower than a set first temperature threshold, controlling the heating module to heat the interior of the case, starting to supply power to a main function module of the computer until the air temperature in the case reaches the first temperature threshold, and stopping heating when the temperature of the printed board and the temperature of the important component reach the first temperature threshold;
the power supply module is used for supplying power to the main function module of the computer under the control of the central control module;
and the motor driving circuit is used for respectively driving the air inlet fan and the air outlet fan to operate, receiving the PWM signals transmitted by the central control module and respectively adjusting the rotating speeds of the air inlet fan and the air outlet fan.
In this embodiment, the temperature sensor uses a 3904 triode as a temperature sensing element, the DSP uses the TMS320F28335 of TI, and the module has the functions of AD acquisition, data processing, data storage, IO control, PWM output, and RS422 communication. The blower drive uses DRV8848 from TI, and RS422 communication uses MAXIM MAX490 from MAXIM. The power supply module comprises a DC-DC converter which is used for capturing 28V computer system input voltage into 12V voltage required by a fan, converting 12V into 5V DC-DC required by a temperature sensor, an RS422 transceiver and the like, converting 5V into +/-15V DC required by an AD module, and converting 5V into 3.3V DC-DC required by a DSP and 1.8V DC-DC required by the DSP.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (10)
1. An environment self-adaptive case temperature control method is characterized by being applied to a case, wherein a heating module is arranged in the case, and the method comprises the following steps:
receiving a starting-up instruction;
collecting the air temperature, the temperature of a printed board and the temperature of important components in the case;
if the air temperature in the case is not lower than a set first temperature threshold, supplying power to a main function module of the computer;
and if the air temperature in the case is lower than a set first temperature threshold, controlling the heating module to heat the interior of the case, starting to supply power to a main function module of the computer until the air temperature in the case reaches the first temperature threshold, and stopping heating when the temperature of the printed board and the temperature of the important component reach the first temperature threshold.
2. The environment adaptive chassis temperature control method of claim 1, further comprising:
in the running process of a computer, the air temperature outside a case, the temperature of a printed board and the temperature of important components are collected in real time;
if the temperature of the air outside the case is between a first temperature threshold and a second temperature threshold, and the temperature of the printed board and the temperature of the important components are stabilized in a normal temperature range, controlling an air inlet fan and an air outlet fan of the computer to operate at the minimum rotating speed;
if the temperature of the air outside the case is between the first temperature threshold and the second temperature threshold, but the temperature of the printed board and the temperature of the important components cannot be stabilized within the normal temperature range, the rotating speed of the fan is gradually increased until the temperature of the printed board and the temperature of the important components are within the normal temperature range;
if the temperature of the air outside the case is between the second temperature threshold and the third temperature threshold, controlling an air inlet fan and an air outlet fan of the computer to operate at the maximum rotating speed;
if the air temperature outside the case is higher than a third temperature threshold value, controlling an air inlet fan and an air outlet fan of the computer to run at the maximum rotating speed, and giving a high-temperature alarm when the temperature of an important component is close to the highest tolerance temperature;
the normal temperature range is the temperature of a printed board or the temperature range within which the performance of important components cannot be attenuated;
the stabilization in the normal temperature range means: and (3) predicting the temperature of the current temperature data at the T moment by utilizing a least square method and fitting a temperature curve based on the rotating speed of the fan and time, and if the temperature at the T moment obtained by prediction is in a normal temperature range, determining that the current temperature data is stable in the normal temperature range.
3. The environment-adaptive chassis temperature control method according to claim 2, wherein when the difference between the temperature of the critical component and the maximum tolerable temperature of the critical component reaches a% and the duration exceeds t, a reset level is sent to the computer.
4. The environment-adaptive cabinet temperature control method according to claim 2, wherein the high-temperature alarm is performed by illuminating a high-temperature alarm indicator and/or sounding an alarm.
5. The environment-adaptive cabinet temperature control method according to claim 2, wherein the heating module is a heating wire disposed behind the air inlet fan, and the heating module heats the interior of the cabinet by supplying power to the heating wire, and the air inlet fan of the computer rotates while the heating wire is operated.
6. The environment adaptive enclosure temperature control method of claim 1, wherein each temperature data collected during operation of the computer is periodically stored in a memory of the computer.
7. The utility model provides an environment self-adaptation's quick-witted case temperature control system which characterized in that is applied to quick-witted case, be provided with heating module in the quick-witted case, the system includes:
the temperature sensor is used for collecting the air temperature, the temperature of the printed board and the temperature of important components in the case;
the central control module is used for receiving a starting instruction and carrying out temperature judgment according to temperature data input by the temperature sensor, and the temperature judgment comprises
If the air temperature in the case is not lower than a set first temperature threshold, controlling the power supply module to supply power to a main function module of the computer;
if the air temperature in the case is lower than a set first temperature threshold, controlling the heating module to heat the interior of the case, starting to supply power to a main function module of the computer until the air temperature in the case reaches the first temperature threshold, and stopping heating when the temperature of the printed board and the temperature of the important components reach the first temperature threshold;
and the power supply module is used for supplying power to the main function module of the computer under the control of the central control module.
8. The environmentally adaptive chassis temperature control system of claim 7, further comprising a motor drive circuit, an air inlet fan, and an air outlet fan;
the motor driving circuit is used for receiving a control signal of the central control module and driving the air inlet fan to rotate or driving the air inlet fan and the air outlet fan to rotate simultaneously.
9. An environmentally adaptive cabinet temperature control apparatus/terminal device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the steps of the method according to any of claims 1 to 5 are implemented when the computer program is executed by the processor.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010368176.8A CN111625068A (en) | 2020-05-01 | 2020-05-01 | Environment self-adaptive case temperature control method, system, terminal equipment and storage medium |
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| CN202010368176.8A CN111625068A (en) | 2020-05-01 | 2020-05-01 | Environment self-adaptive case temperature control method, system, terminal equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327963A (en) * | 2020-10-30 | 2021-02-05 | 北京全路通信信号研究设计院集团有限公司 | Temperature control system of cabinet and cabinet |
| WO2024036427A1 (en) * | 2022-08-15 | 2024-02-22 | 威刚科技股份有限公司 | Fan control system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040122559A1 (en) * | 1998-03-23 | 2004-06-24 | Cepheid | System and method for temperature control |
| CN101097472A (en) * | 2006-06-30 | 2008-01-02 | 联想(北京)有限公司 | Control device for starting host under low temperature environment and method thereof |
| CN101246373A (en) * | 2008-03-21 | 2008-08-20 | 北京创毅视讯科技有限公司 | System and method for temperature control of electronic equipments |
| CN201837957U (en) * | 2010-11-10 | 2011-05-18 | 张文琪 | Computer heating heat radiator |
| CN107077178A (en) * | 2014-11-04 | 2017-08-18 | 高通股份有限公司 | Heat alleviation based on institute's predicted temperature |
| CN108549473A (en) * | 2018-04-09 | 2018-09-18 | 徐启明 | Computer cooling control method and computer host box |
| CN208141321U (en) * | 2018-05-08 | 2018-11-23 | 河南工业职业技术学院 | A kind of computer thermostat |
| US10156987B1 (en) * | 2015-06-26 | 2018-12-18 | Amazon Technologies, Inc. | Temperature management in a data storage system |
-
2020
- 2020-05-01 CN CN202010368176.8A patent/CN111625068A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040122559A1 (en) * | 1998-03-23 | 2004-06-24 | Cepheid | System and method for temperature control |
| CN101097472A (en) * | 2006-06-30 | 2008-01-02 | 联想(北京)有限公司 | Control device for starting host under low temperature environment and method thereof |
| CN101246373A (en) * | 2008-03-21 | 2008-08-20 | 北京创毅视讯科技有限公司 | System and method for temperature control of electronic equipments |
| CN201837957U (en) * | 2010-11-10 | 2011-05-18 | 张文琪 | Computer heating heat radiator |
| CN107077178A (en) * | 2014-11-04 | 2017-08-18 | 高通股份有限公司 | Heat alleviation based on institute's predicted temperature |
| US10156987B1 (en) * | 2015-06-26 | 2018-12-18 | Amazon Technologies, Inc. | Temperature management in a data storage system |
| CN108549473A (en) * | 2018-04-09 | 2018-09-18 | 徐启明 | Computer cooling control method and computer host box |
| CN208141321U (en) * | 2018-05-08 | 2018-11-23 | 河南工业职业技术学院 | A kind of computer thermostat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327963A (en) * | 2020-10-30 | 2021-02-05 | 北京全路通信信号研究设计院集团有限公司 | Temperature control system of cabinet and cabinet |
| WO2024036427A1 (en) * | 2022-08-15 | 2024-02-22 | 威刚科技股份有限公司 | Fan control system |
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Application publication date: 20200904 |