WO2018126546A1 - Procédé de commande de température, et dispositif terminal et appareil - Google Patents

Procédé de commande de température, et dispositif terminal et appareil Download PDF

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Publication number
WO2018126546A1
WO2018126546A1 PCT/CN2017/079012 CN2017079012W WO2018126546A1 WO 2018126546 A1 WO2018126546 A1 WO 2018126546A1 CN 2017079012 W CN2017079012 W CN 2017079012W WO 2018126546 A1 WO2018126546 A1 WO 2018126546A1
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WIPO (PCT)
Prior art keywords
temperature
ambient light
temperature control
brightness
terminal device
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PCT/CN2017/079012
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English (en)
Chinese (zh)
Inventor
牛臣基
李泉明
杨果
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华为技术有限公司
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Priority to CN201780009653.8A priority Critical patent/CN108604112B/zh
Publication of WO2018126546A1 publication Critical patent/WO2018126546A1/fr

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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
    • 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

Definitions

  • the present application relates to the field of optoelectronics and, more particularly, to a method, terminal device and apparatus for controlling temperature.
  • Intelligent temperature control technology is a technology that uses temperature as an input and feedback signal and is widely used in terminals and other products with temperature requirements. As the power consumption and heat generation of smart terminals gradually increase, temperature control strategies become more and more important, and continue to improve. Initially, the intelligent temperature control is based on comparing the single-point temperature feedback value with the threshold value, and determines whether to perform the corresponding cooling module action or the heat source heat generation control. As the usage scenarios become more and more complex, the location of the heat source and the energy density vary greatly with the usage scene. Therefore, strategies based on scene segmentation and multi-point temperature control have emerged. For example, the surface temperature control strategy of some mobile phone products is based on the temperature reporting of several temperature sensors at different positions. Based on the identification of the usage scenarios, a series of temperature thresholds are established. When the temperature of the sensor exceeds its corresponding threshold, the mobile phone Determine the location of the primary heat source and implement the appropriate power control strategy.
  • the current intelligent temperature control scheme gate limit setting and control strategy ignores the influence of the external heat source on the control point temperature.
  • the influence of the external heat source can be neglected.
  • the indoor is not exposed to direct sunlight.
  • the solar radiation has little contribution to the surface temperature rise of the mobile phone.
  • the control of the surface temperature mainly considers the internal heat source. Heat transfer can be done; however, when the phone is in direct sunlight, even if the phone is completely out of work, there is no internal heat source, the surface temperature of the phone will be higher than the ambient temperature (temperature), at this time the phone temperature sensor reports the temperature and surface temperature. The corresponding relationship has changed.
  • the implementation of the existing temperature control strategy can not accurately predict and control the surface temperature rise of the mobile phone, and it is necessary to introduce corrections.
  • the user uses the mobile phone terminal in a high-brightness environment, and it is easy to perceive the brightness when the scene power consumption is high, the ambient temperature is high, or the scene surface temperature is severe. Sudden changes and the inability to see the screen, affecting the user's experience with the display.
  • the embodiment of the present application provides a method, a terminal device and a device for controlling temperature, and the ambient light changes the temperature change of the controlled system into the temperature control strategy, thereby avoiding the poor temperature control precision caused by ignoring the influence of ambient light.
  • adjusting the brightness control strategy of the display module by using ambient illuminance as a variable can provide a better user experience.
  • a method for controlling temperature comprising: collecting ambient light brightness; adjusting a temperature control threshold of the first device according to the ambient light brightness; detecting a temperature of the first device, When the temperature of a device exceeds the adjusted temperature control threshold, the heating power consumption of the first device is reduced or the heat dissipation to the first device is increased.
  • the method for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control threshold of the device through the change of the ambient light to avoid ignoring the influence of the ambient light. The resulting problem of poor temperature control accuracy.
  • the adjusting a temperature control threshold of the first device according to the ambient light brightness comprises: determining the ambient light according to the ambient light brightness The temperature change value generated by the brightness of the first device; and the temperature control threshold of the first device is adjusted according to the temperature change value.
  • the temperature change value is linear or curvilinear with the temperature control threshold.
  • a method for controlling temperature comprising: collecting ambient light brightness; adjusting a temperature control variable of the first device according to the ambient light brightness; detecting a temperature of the first device, at the first When the temperature of the device exceeds the temperature control threshold, the heating power consumption of the first device is reduced or the heat dissipation of the first device is increased according to the adjusted temperature control variable.
  • the method for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control variable of the device through the change of the ambient light, thereby avoiding neglecting the influence of the ambient light.
  • the problem of poor temperature control accuracy incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control variable of the device through the change of the ambient light, thereby avoiding neglecting the influence of the ambient light.
  • the adjusting a temperature control variable of the first device according to the ambient light brightness comprises: determining the ambient light brightness according to the ambient light brightness a temperature change value generated by the first device; and a temperature control variable of the first device is adjusted according to the temperature change value.
  • the temperature change value is linear or curvilinear with the temperature control variable.
  • the temperature control variable comprises at least one of a heat generation parameter and a working intensity of the heating or cooling module One.
  • the heat generating parameter includes a central processing unit or a graphics processor frequency, a charging voltage or a current, and a brightness of the display module. At least one of a value and a transmission power.
  • the third aspect provides a terminal device, where the terminal device includes: an ambient light sensor for collecting ambient light brightness; and a processor configured to adjust a temperature control threshold of the terminal device according to the ambient light brightness; a sensor, configured to detect a temperature of the terminal device; the processor is further configured to: when the temperature of the terminal device exceeds the adjusted temperature control threshold, reduce the heating power consumption of the terminal device or increase the terminal device Cooling.
  • the terminal device for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control threshold of the terminal device through the change of the ambient light, thereby avoiding neglecting the environment.
  • the processor is configured to: determine, according to the brightness of the ambient light, a temperature change value generated by the ambient light brightness on the terminal device; The change value adjusts the temperature control threshold of the terminal device.
  • the temperature change value is linear or curvilinear with the temperature control threshold.
  • a terminal device includes: an ambient light sensor for collecting ambient light brightness; a processor configured to adjust a temperature control variable of the terminal device according to the ambient light brightness; and a temperature sensor, The processor is further configured to: when the temperature of the terminal device exceeds the temperature control threshold, according to the adjusted temperature control variable, reduce the heating power consumption of the terminal device or increase the Cooling of the terminal device.
  • the terminal device for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control variable of the terminal device through the change of the ambient light, thereby avoiding neglecting the influence of the ambient light. The resulting problem of poor temperature control accuracy.
  • the processor is configured to: determine, according to the brightness of the ambient light, a temperature change value generated by the ambient light brightness on the terminal device; The change value adjusts the temperature control variable of the terminal device.
  • the temperature change value is linear or curvilinear with the temperature control variable.
  • the temperature control variable includes at least one of a heat generating parameter and a working intensity of the heating or cooling module One.
  • the heat generating parameter includes a central processing unit or a graphics processor frequency, a charging voltage or a current, and a brightness of the display module. At least one of a value and a transmission power.
  • a device for controlling temperature comprising: an ambient light detecting module for collecting ambient light brightness; and an ambient light compensation correction module for adjusting a temperature control gate of the device according to the ambient light brightness
  • the temperature control module is configured to detect the temperature of the device, and when the temperature of the device exceeds the adjusted temperature control threshold, reduce the heating power consumption of the device or increase the heat dissipation of the device.
  • the temperature control device of the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control threshold of the device through the change of the ambient light to avoid ignoring the influence of the ambient light. The resulting problem of poor temperature control accuracy.
  • the ambient light compensation correction module is specifically configured to: determine, according to the ambient light brightness, a temperature change value generated by the ambient light brightness on the device; The temperature change value adjusts the temperature control threshold of the device.
  • the temperature change value is linear or curvilinear with the temperature control threshold.
  • a device for controlling temperature comprising: an ambient light detecting module for collecting ambient light brightness; and an ambient light compensation correction module for adjusting a temperature control variable of the device according to the ambient light brightness
  • the temperature control module is configured to detect the temperature of the device. When the temperature of the device exceeds the temperature control threshold, according to the adjusted temperature control variable, the heating power consumption of the device is reduced or the heat dissipation of the device is increased.
  • the temperature control device of the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control variable of the device through the change of the ambient light, thereby avoiding neglecting the influence of the ambient light.
  • the problem of poor temperature control accuracy is a problem of poor temperature control accuracy.
  • the ambient light compensation correction module is specifically configured to: determine, according to the ambient light brightness, a temperature change value generated by the ambient light brightness on the device; The temperature change value adjusts the temperature control variable of the device.
  • the temperature change value is linear or curvilinear with the temperature control variable.
  • the temperature control variable includes at least one of a heat generating parameter and a working intensity of the heating or cooling module One.
  • the heat generating parameter includes a central processing unit or a graphics processor frequency, a charging voltage or a current, and a brightness of the display module. At least one of a value and a transmission power.
  • a computer readable storage medium comprising instructions that, when run on a computer, cause the computer mechanism to perform the method of the various aspects described above.
  • a computer program product which, when run on a computer, causes the computer to perform the method of the various aspects described above.
  • FIG. 1 is an application scenario of a technical solution of an embodiment of the present application.
  • FIG. 2 is a schematic block diagram of a mobile phone according to an embodiment of the present application.
  • FIG. 3 illustrates a relationship between frequency and time in accordance with an embodiment of the present application.
  • FIG. 4 is a schematic flow chart of a method for controlling temperature according to an embodiment of the present application.
  • FIG. 5 is a functional relationship between ambient light brightness and the temperature change value in accordance with an embodiment of the present application.
  • FIG. 8 is another schematic flowchart of a method for controlling temperature according to an embodiment of the present application.
  • FIG. 9 is still another schematic flowchart of a method for controlling temperature according to an embodiment of the present application.
  • FIG. 10 is still another schematic flowchart of a method for controlling temperature according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a temperature control terminal device according to an embodiment of the present application.
  • FIG. 12 is another schematic block diagram of a temperature control terminal device according to an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of an apparatus for controlling temperature according to an embodiment of the present application.
  • FIG. 14 is a schematic block diagram of a temperature control module of a temperature control device of an embodiment of the present application.
  • 15 is another schematic block diagram of an apparatus for controlling temperature according to an embodiment of the present application.
  • FIG. 1 shows an application scenario of a technical solution of an embodiment of the present application.
  • the embodiment of the present application is applicable to a scene in which ambient light (for example, sunlight) has an influence on temperature changes of a controlled object or position.
  • the terminal device shown in FIG. 1 includes a controlled object or a position and a monitoring point. If there is no influence of ambient light, the fixed temperature difference between the controlled object and the monitoring point is 2 ° C. When there is an influence of ambient light, the controlled object The temperature difference with the monitoring point will change. If the temperature difference will change to 3 °C, the temperature control strategy of the controlled object or position needs to be adjusted. Otherwise, the temperature of the controlled object or position cannot be accurately controlled.
  • FIG. 1 is only an application scenario of the embodiment of the present application, but the application is not limited thereto.
  • the technical solution of the embodiment of the present application can be applied to various terminal devices that need to perform temperature control, for example, a mobile phone, a wristband, a tablet computer, a notebook computer, an Ultra-Mobile Personal Computer (UMPC), and a personal digital assistant.
  • UMPC Ultra-Mobile Personal Computer
  • PDA Personal Digital Assistant
  • handheld device with wireless communication function computing device or other processing device connected to the wireless modem, in-vehicle device, wearable device, etc., and is not limited to the communication terminal.
  • the terminal device used in the embodiment of the present application is introduced by taking the mobile phone 10 shown in FIG. 2 as an example.
  • the mobile phone 10 may include components such as a processor 11, a memory 12, a temperature sensor 13, an ambient light sensor 14, a display unit 15, a heating or cooling module 16, and a power source 17.
  • a processor 11 a central processing unit
  • a memory 12 a central processing unit
  • a temperature sensor 13 a temperature sensor
  • an ambient light sensor 14 a display unit
  • a heating or cooling module 16 a power source 17.
  • the structure of the handset shown in FIG. 2 does not constitute a limitation to the handset, and may include more or less components than those illustrated, or some components may be combined, or different component arrangements.
  • the processor 11 is the control center of the handset 10, which connects various portions of the entire handset using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 12, and recalling data stored in the memory 12, The various functions and processing data of the mobile phone 10 are executed, thereby realizing various services based on the mobile phone.
  • the processor 11 may include one or more processing units; preferably, the processor 11 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 11 in.
  • the processor 11 adjusts the temperature control threshold value and/or the heat generation variable of the mobile phone 10 according to the ambient light brightness collected by the ambient light sensor, and reduces the heat of the mobile phone 10 after the temperature of the mobile phone 10 exceeds the temperature control threshold. Power consumption or heat dissipation of the mobile phone 10, it should be understood that the processor 11 can also reduce the heating power consumption of the mobile phone 10 or increase the heat dissipation of the mobile phone 10 by adjusting the working intensity of the heating or cooling module 16.
  • the memory 12 can be used to store software programs and modules, and the processor 12 executes various functional applications and data processing of the mobile phone 10 by running software programs and modules stored in the memory 12.
  • the memory 12 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to The data created by the use of the mobile phone 10 (such as audio data, phone book, etc.) and the like.
  • the memory 12 may include a high speed random access memory, and may also include a nonvolatile memory such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device, for the temperature of the mobile phone 10 collected by the temperature sensor 13.
  • a nonvolatile memory such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device, for the temperature of the mobile phone 10 collected by the temperature sensor 13.
  • the ambient light brightness, ambient temperature thresholds, temperature control variables, and the like collected by ambient light sensor 14 are all stored on memory 12 for computation of logic processing.
  • Ambient light sensor 13 can be used to capture ambient light levels.
  • the temperature sensor 14 can be used to collect the temperature of the mobile phone 10, and the temperature control threshold is determined according to the controlled object or position temperature requirement, and can be the following two conditions: First, when the temperature control threshold (also called threshold) is established The temperature difference between the controlled object or the position and temperature sensor 14 has been considered, which is that the temperature control threshold value is directly compared with the temperature sensor reported value; second, the temperature detected by the temperature sensor 14 is mathematically predicted to predict the controlled object. Or the temperature of the position, in contrast to this predicted value to establish a temperature control threshold.
  • the temperature control threshold also called threshold
  • the display unit 15 can be used to display information input by the user or information provided to the user and various menus of the mobile phone 10. When the temperature collected by the temperature sensor 14 of the mobile phone 10 is greater than the temperature control threshold, the mobile phone 10 can reduce the heating power consumption of the mobile phone 10 or dissipate heat from the mobile phone 10 by adjusting the brightness of the display unit 15.
  • the display unit 15 may include a display panel. Alternatively, the display panel may be configured in the form of an LCD, an OLED, or the like. Further, the touch panel may cover the display panel. When the touch panel detects a touch operation on or near the touch panel, the touch panel transmits to the processor 13 to determine the type of the touch event, and then the processor 13 displays according to the type of the touch event.
  • a corresponding visual output is provided on the panel.
  • the touch panel and the display panel are two separate components to implement the input and input functions of the mobile phone 10, but in some embodiments, the input and output functions of the mobile phone 10 can be implemented by integrating the touch panel with the display panel.
  • the heating or cooling module 16 is a module for reducing the heating power consumption of the mobile phone 10 or dissipating heat to the mobile phone 10. It should be understood that the heating or cooling module 16 may be a fan, and the working intensity of the heating or cooling module 16 may be adjusted. Adjust the speed of the fan, or you can adjust the flow rate of the coolant. It should be noted that the mobile phone shown in FIG. 2 is only an example of a terminal device, and the embodiment of the present application is not particularly limited. The embodiment of the present application can be applied to an electronic device such as a mobile phone or a tablet computer. Make a limit.
  • the heat generation parameter may be at least one of a central processing unit or a graphics processor frequency, a charging voltage or current, a brightness value of the display module, and a transmission power.
  • FIG. 3 illustrates a frequency versus time relationship according to an embodiment of the present application.
  • the frequency may be a frequency limiting a Central Processing Unit (CPU) or a Graphics Processing Unit (GPU).
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • FIG. 3 when the ambient light brightness changes from b1 to b2, the frequency also changes according to the change of the ambient light brightness.
  • the method, the terminal device and the device for controlling the temperature in the embodiment of the present application The temperature change of the control system is included in the temperature control strategy, avoiding the temperature control caused by ignoring the influence of ambient light. The problem of poor precision.
  • FIG. 4 is a schematic flowchart of a method 100 for controlling temperature on the terminal device according to an embodiment of the present application. As shown in FIG. 4, the method 100 includes:
  • adjusting the temperature control threshold of the first device according to the ambient light brightness including:
  • the temperature control threshold value of the first device is adjusted according to the temperature change value.
  • FIG. 5 shows the relationship between the ambient light brightness b and the temperature change value ⁇ T according to an embodiment of the present application. It can be seen that within a certain range, as the ambient light brightness b increases, the temperature change value ⁇ T is 0. At this time, the increase of the ambient light brightness b does not have a great influence on the temperature control accuracy, and can be neglected. If the ambient light brightness threshold is exceeded, the ambient light brightness b corresponds to the ambient light brightness b.
  • the temperature change value ⁇ T is a fixed value, and the ambient light brightness b needs to be included in the temperature control strategy.
  • FIG. 6 shows another functional relationship between the ambient light brightness b and the temperature change value ⁇ T according to an embodiment of the present application. It can be seen that within a certain range, as the ambient light brightness b increases, the temperature changes. The value ⁇ T is 0. At this time, the increase of the ambient light brightness b does not have a great influence on the temperature control accuracy, and can be neglected. Exceeding a certain ambient light brightness threshold, as the ambient light brightness b increases, the ambient light brightness b is a function of the temperature change value ⁇ T. At this time, the ambient light brightness b needs to be included in the temperature control strategy.
  • FIG. 7 shows a further functional relationship between the ambient light brightness b and the temperature change value ⁇ T according to an embodiment of the present application. It can be seen that the ambient light brightness b is in a curve relationship with the temperature change value ⁇ T. When the ambient light brightness b is from 0, it is included in the temperature control strategy.
  • FIG. 5 to FIG. 7 only exemplifies the relationship between the three ambient light b brightnesses and the temperature change value ⁇ T, and the functional relationship between the ambient light b brightness and the temperature change value ⁇ T is further Other linear or curved relationships may be used, and the application is not limited thereto.
  • the temperature control threshold is determined according to the controlled object or position temperature requirement, and may be the following two conditions: one is a temperature control threshold (also called a threshold) The temperature difference between the controlled object or the position and the sensor has been taken into consideration. This is because the temperature control threshold is directly compared with the reported value of the sensor; the second is that the temperature of the sensor is mathematically processed to predict the temperature of the controlled object or position. The temperature control threshold is established in comparison with this predicted value, and the temperature control threshold is compared with the predicted value, and the present application is not limited thereto.
  • the ⁇ T is used as the compensation value to increase or decrease the original temperature control threshold T 1 to obtain a new temperature control threshold T 2 .
  • the T 2 and the ⁇ T are in a linear or curvilinear relationship, and the first device controls the temperature of the first device according to the new temperature control threshold T 2 .
  • FIG. 8 illustrates another schematic flow chart of a method of controlling temperature in accordance with an embodiment of the present application.
  • the temperature control threshold compensation value ⁇ T 1 is first calculated, and the temperature control threshold compensation value ⁇ T 1 and the temperature change value ⁇ T are linear or curved.
  • the relationship, that is, ⁇ T 1 g 1 ( ⁇ T)
  • the original temperature control strategy is executed according to the new temperature control threshold T 2 .
  • the core of the intelligent scene temperature control strategy is to accurately perform scene recognition, and to make corresponding power consumption control schemes according to the identified scene characteristics and user psychological expectations.
  • the currently known scene recognition scheme mainly distinguishes user patterns (such as smart power saving), charging status of terminal devices, lighting and off screens, and active applications, thereby inferring what kind of use state the user is currently in.
  • On this basis combined with the product thermal development experience to set different thresholds of different temperature sampling points, and set the corresponding action triggered when the sampling temperature and threshold are different, including the frequency control of the processing unit, charging current limit, display Module brightness and refresh rate control and more.
  • the temperature control strategy of the embodiment of the present application is that the terminal device collects the ambient light brightness through the ambient light sensor or the ambient light detecting module in real time.
  • the corresponding temperature change value is calculated according to the ambient light brightness.
  • the temperature control threshold value in the original temperature control strategy is adjusted, and then the corresponding temperature control action is performed, including the frequency control of the processing unit, the charging current limit, the display module brightness, and the refresh frequency control.
  • a product temperature control threshold is 40 ° C.
  • the CPU frequency is limited to 1.5 GHz or less, and the display brightness is reduced by 10%.
  • the CPU limit temperature threshold can be adjusted to (40-1) °C, and the display brightness is lowered.
  • the temperature threshold is adjusted to (40+1) °C. That is, when the temperature reaches 39 °C, the CPU frequency is limited to 1.5 GHz, and the trigger display brightness is reduced by 10% at 41 °C; when the ambient light is 200 lux, the control point temperature rise is further increased by 2 °C, then the CPU limit frequency can be adjusted.
  • the threshold is (40-2) °C, and the display brightness is lowered.
  • the temperature threshold is adjusted to (40+2) °C, that is, the CPU frequency is limited to 1.5 GHz when the temperature reaches 38 °C, and the display brightness is reduced when the temperature is 42 °C. %.
  • the auxiliary function of the brightness adjustment of the display screen in the embodiment of the present application is to reduce the heat generation, and the main purpose is to adjust the display brightness control strategy by using the ambient light brightness value as a variable, which can better improve the user experience, such as the above implementation.
  • the trigger display brightness is reduced by 12%.
  • the trigger display brightness is only reduced by 10%, which can solve the problem that the screen cannot be seen after the change of the brightness is perceived. Improve the user experience with the display.
  • the method for controlling temperature in the embodiment of the present application can adjust the brightness control strategy of the display module by using the ambient light level as a variable, and can provide a better user experience.
  • a new temperature control strategy can also be implemented, for example, when the temperature reaches 39 ° C, the CPU frequency is limited to 1.45 GHz. When the temperature reaches 41 ° C, the display brightness is reduced by 8%, and the application is not limited thereto.
  • the method for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control threshold of the device through the change of the ambient light to avoid ignoring the influence of the ambient light. The resulting problem of poor temperature control accuracy.
  • FIG. 9 is still another schematic flowchart of a method 200 for controlling temperature on the terminal device according to an embodiment of the present application. As shown in FIG. 9, the method 200 includes:
  • adjusting the temperature control variable of the first device according to the ambient light brightness including:
  • the temperature control variable of the first device is adjusted based on the temperature change value.
  • the temperature control variable comprises at least one of a calorific value parameter and a working intensity of the heating or cooling module.
  • the heat generation parameter includes at least one of a central processing unit or a graphics processor frequency, a charging voltage or current, a brightness value of the display module, and a transmission power.
  • calorific value parameters are: CPU or GPU frequency, limiting charging current or voltage, limiting display brightness, limiting transmit power, and the like.
  • a product's temperature control threshold is 40 ° C. When it exceeds 40 ° C, the calorific value will be adjusted: the CPU frequency is limited to 1.5 GHz and the display brightness is reduced by 10%.
  • the foregoing only enumerates the manner of partially adjusting the calorific value parameter, and can also control the calorific value by other means, such as turning off or turning on some modules, and the device is turned off and the like, and the present application is not limited thereto.
  • the manner of adjusting the working intensity of the heating or cooling module of the first device is to turn on or off the heating or cooling module, and adjust the heating or cooling operation state of the heating or cooling module (such as adjusting the fan speed or the coolant flow rate). For example, if a product has a temperature control threshold of 40 ° C, over 40 ° C will control the fan speed in the heating or cooling module to accelerate to 50% of full speed. It should be understood that the above merely enumerates the manner in which the heating or cooling module is partially controlled, and the present application is not limited thereto.
  • the method 200 may further adjust the temperature control threshold and the temperature control variable of the first device according to the temperature change value, thereby executing a new temperature control strategy.
  • the method for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control variable of the device through the change of the ambient light, thereby avoiding neglecting the influence of the ambient light.
  • the problem of poor temperature control accuracy incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control variable of the device through the change of the ambient light, thereby avoiding neglecting the influence of the ambient light.
  • FIG. 10 is still another schematic flowchart of a method for controlling temperature according to an embodiment of the present application.
  • the calorific value parameter adjusted by the ambient light may be one or plural, and the application is not limited thereto.
  • the new calorific parameter may be a function of ⁇ T as an independent variable, and may also have multiple independent variables as independent variables, and the application is not limited thereto.
  • a product temperature control threshold is 40 ° C, when the temperature exceeds 40 ° C, the CPU frequency is limited to below 1.5 GHz, while reducing the display brightness by 10%.
  • the temperature rise of the control point is increased by 1 ° C.
  • the CPU frequency limit is adjusted to 1.4 GHz, and the display brightness is reduced by 5%.
  • the control is performed.
  • the temperature rise is increased by 2 °C
  • the CPU frequency limit is adjusted to 1.3 GHz at 40 °C, and the display brightness is reduced by 2%.
  • a new temperature control strategy may be performed according to the new temperature control threshold.
  • a product temperature control threshold is 40 ° C.
  • the CPU frequency is limited to 1.5 GHz or less, and the display brightness is reduced by 10%.
  • the CPU limit temperature threshold can be adjusted to (40-1) °C, and when the temperature reaches 39 °C, the CPU frequency is limited to 1.45 GHz. The brightness of the display is lowered and the temperature threshold is adjusted to (40+1) °C.
  • the display brightness is reduced by 8%.
  • the temperature of the control point is increased by 2 °C, and the CPU can be adjusted.
  • the temperature threshold is (40-2) °C, when the temperature reaches 38 °C, the CPU frequency is limited to 1.35 GHz, and the display brightness is lowered.
  • the temperature threshold is adjusted to (40+2) °C, and the display brightness is triggered when the temperature reaches 42 °C. Reduce by 6%.
  • the controlling the temperature of the first device can also be achieved by adjusting the working intensity of the heating or cooling module of the first device.
  • the temperature control threshold of a product is 40 °C.
  • the fan speed is controlled to be 50% of the full speed.
  • the ambient light is 100 lux
  • the temperature rise of the control point is increased by 1 °C, and it can be 40 °C.
  • control the fan speed to 60% of full speed; or at 39 ° C, control the fan speed to 50% of full speed.
  • the method for controlling temperature in the embodiment of the present application incorporates ambient light into the temperature control strategy for the temperature change of the controlled system, by adjusting the temperature control threshold, adjusting the heat generation parameter of the device, and controlling the heating or cooling module.
  • the problem of poor temperature control accuracy caused by ignoring the influence of ambient light is avoided; at the same time, the brightness adjustment value of the display screen is adjusted by the ambient light brightness value as a variable, so that the user experience can be better improved.
  • FIG. 11 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes an ambient light sensor 310, a processor 320, and a temperature sensor 330, wherein the ambient light sensor 310 collects Ambient light brightness; the processor 320 adjusts the temperature control threshold value of the terminal device according to the ambient light brightness; the temperature sensor 330 detects the temperature of the terminal device 300; the processor 320 after the temperature of the terminal device 300 exceeds the adjusted When the temperature controls the threshold, the heating power consumption of the terminal device 300 is reduced or the heat dissipation to the terminal device 300 is increased.
  • the terminal device 300 may correspond to the above-mentioned mobile phone 10, and the ambient light sensor 310 may correspond to the ambient light sensor 14 of the mobile phone 10, and the processor 320 may correspond to the processor 11 of the mobile phone 10, and the temperature sensor 330 may correspond to The temperature sensor 13 of the mobile phone 10.
  • the processor 320 determines, according to the ambient light brightness, a temperature change value generated by the ambient light brightness to the terminal device; and according to the temperature change value, adjusts a temperature control threshold of the terminal device.
  • the ambient light sensor of the terminal device 300 first collects the ambient light brightness value b as an independent variable, and can obtain the temperature change value ⁇ T and the ambient light brightness value b caused by the ambient light radiation according to the laboratory simulation test result.
  • the processor 320 adjusts the temperature control threshold value of the terminal device 300 according to the temperature change value ⁇ T.
  • the terminal device for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control threshold of the terminal device through the change of the ambient light, thereby avoiding neglecting the environment.
  • FIG. 12 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes an ambient light sensor 410, a processor 420, and a temperature sensor 430, wherein the ambient light sensor 410 collects Ambient light brightness; the processor 420 adjusts a temperature control variable of the terminal device according to the ambient light brightness; the temperature sensor 430 detects the temperature of the terminal device; and the processor 420 when the temperature of the terminal device 400 exceeds the temperature control threshold value According to the adjusted temperature control variable, the heating power consumption of the terminal device 400 is reduced or the heat dissipation to the terminal device 400 is increased.
  • the terminal device 400 may correspond to the above-mentioned mobile phone 10, and the ambient light sensor 410 may correspond to the ambient light sensor 14 of the mobile phone 10, and the processor 420 may correspond to the processor 11 of the mobile phone 10, the temperature sensing.
  • the 430 may correspond to the temperature sensor 13 of the handset 10.
  • the processor 420 determines, according to the ambient light brightness, a temperature change value generated by the ambient light brightness to the terminal device; and according to the temperature change value, adjusts a temperature control variable of the terminal device.
  • the ambient light sensor of the terminal device 400 first collects the ambient light brightness value b as an independent variable, and can obtain the temperature change value ⁇ T and the ambient light brightness value b caused by the ambient light radiation according to the laboratory simulation test result.
  • the processor 420 adjusts the temperature control variable of the terminal device 400 based on the temperature change value ⁇ T.
  • the temperature control variable comprises at least one of a calorific value parameter and a working intensity of the heating or cooling module.
  • the heat generation parameter includes at least one of a central processing unit or a graphics processor frequency, a charging voltage or current, a brightness value of the display module, and a transmission power.
  • the terminal device for controlling temperature in the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control variable of the terminal device through the change of the ambient light, thereby avoiding neglecting the influence of the ambient light. The resulting problem of poor temperature control accuracy.
  • FIG. 13 shows a schematic block diagram of an apparatus 500 for controlling temperature in accordance with an embodiment of the present application.
  • the device 500 includes an ambient light detection module 510 , an ambient light compensation correction module 520 , and a temperature control module 530 .
  • the ambient light detection module 510 collects ambient light brightness.
  • the ambient light compensation correction module 520 is configured according to the ambient light. Brightness, adjusting the temperature control threshold of the device 500; the temperature control module 530 detects the temperature of the device 500, and reduces the heating power consumption of the device 500 when the temperature of the device 500 exceeds the adjusted temperature control threshold. Or increase the heat dissipation to the device 500.
  • the ambient light detection module 510 may correspond to the ambient light sensor 310 of the terminal device 300
  • the ambient light compensation correction module 520 may correspond to the processor 320 of the terminal device 300
  • the temperature control module 530 may also correspond to the terminal device. Processor 320 of 300.
  • the apparatus 500 further includes a temperature acquisition module 540 that can collect temperature to perform a temperature control strategy after comparing with the temperature control threshold.
  • the temperature acquisition module 540 may correspond to the temperature sensor 330 of the terminal device 300.
  • the ambient light compensation correction module 520 determines a temperature change value generated by the ambient light brightness to the device according to the ambient light brightness; and adjusts a temperature control threshold of the device according to the temperature change value.
  • the temperature collecting module 540 may include a temperature sensor, and the temperature control threshold is determined according to the controlled object or the position temperature requirement, and may be the following two conditions: First, the temperature control threshold (also called threshold) is established. The temperature difference between the controlled object or the position and temperature sensor has been considered. This is because the temperature control threshold is directly compared with the temperature sensor reported value; the second is that the temperature detected by the temperature sensor is mathematically predicted to predict the controlled object or The temperature of the position is compared with the predicted value to establish a temperature control threshold. At this time, the temperature control threshold is compared with the predicted value, and the application is not limited thereto.
  • the temperature control threshold also called threshold
  • the ambient light detecting module 510 may correspond to the ambient light sensor 14 in the mobile phone 10 of FIG. 2, and may also correspond to the ambient light sensor 310 of the terminal device 300 in FIG. 11; the ambient light compensation correction module 520 and the temperature control Module 530 may correspond to processor 11 of handset 10 of FIG. 2, and may also correspond to processor 320 of terminal device 300 of FIG.
  • FIG. 14 shows a schematic block diagram of a temperature control module 530 of the apparatus 500 of the embodiment of the present application.
  • the temperature control module 530 can be divided into two parts: a monitoring unit 531 and a control unit 532.
  • the monitoring unit 531 is used for collecting and controlling Temperature information of the object or location is provided to control unit 532 as input and feedback signals.
  • Control unit 532 can in turn be divided into processing unit 533 and execution unit 534.
  • the processing unit 533 analyzes the information provided by the monitoring unit 531, determines which actions are performed to ensure that the temperature of the controlled object or location is within an acceptable range; the execution unit 534 receives the command issued by the processing unit 533 and executes.
  • the temperature control means adjusts the calorific value and/or controls the working intensity of the heating or cooling module. Common actions include limiting the CPU or GPU frequency, turning off or turning on some modules, limiting the charging current or voltage, limiting the brightness of the display, and limiting the emission.
  • the heat generation control action such as power and equipment shutdown protection; or the heating or cooling action of adjusting the heating or cooling module working flow (such as adjusting the fan speed or the coolant flow rate) by turning the heating or cooling module on or off to realize the control device Calorie.
  • the function of the monitoring unit 531 or the temperature collecting module 540 is to collect the temperature, so that the temperature control module 530 performs the temperature control strategy after comparing with the temperature control threshold, and the monitoring unit 531 is different. It can be used to process temperature information, which is provided to control unit 532 as an input and feedback signal. If the temperature acquisition module 540 is present in the device, the monitoring unit 531 in the temperature control module can only be used to process temperature information; if there is no temperature acquisition module 540 in the device, the monitoring unit 531 in the temperature control module is used to collect Temperature information is also used to process temperature information.
  • the temperature control device of the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, and adjusts the temperature control threshold of the device through the change of the ambient light to avoid ignoring the influence of the ambient light. The resulting problem of poor temperature control accuracy.
  • FIG. 15 shows a schematic flowchart of a device 600 for controlling temperature according to an embodiment of the present application.
  • the device 600 includes an ambient light detecting module 610, an ambient light compensation correction module 620, and a temperature control module 630.
  • the ambient light detection module 610 collects the ambient light brightness;
  • the ambient light compensation correction module 620 adjusts the temperature control variable of the device 600 according to the ambient light brightness;
  • the temperature control module 630 detects the temperature of the device 600, and the temperature of the device 600 When the temperature control threshold is exceeded, the heating power consumption of the device 600 is reduced or the heat dissipation to the device 600 is increased according to the adjusted temperature control variable.
  • the ambient light detection module 610 may correspond to the ambient light sensor 410 of the terminal device 400
  • the ambient light compensation correction module 620 may correspond to the processor 420 of the terminal device 400
  • the temperature control module 630 may also correspond to the terminal device.
  • the processor 420 of 400 may correspond to the ambient light detection module 610 and the ambient light compensation correction module 620.
  • the device 600 further includes a temperature acquisition module 640 that can collect the temperature to perform a temperature control strategy after comparing with the temperature control threshold.
  • the temperature acquisition module 640 may correspond to the temperature sensor 430 of the terminal device 400.
  • the ambient light compensation correction module 620 determines a temperature change value generated by the ambient light brightness to the device according to the ambient light brightness; and adjusts a temperature control variable of the device according to the temperature change value.
  • the temperature control variable comprises at least one of a calorific value parameter and a working intensity of the heating or cooling module.
  • the heat generation parameter includes at least one of a central processing unit or a graphics processor frequency, a charging voltage or current, a brightness value of the display module, and a transmission power.
  • temperature control module 630 can be divided into two parts, the monitoring unit 631 and the control unit 632, which are the same as the temperature control module shown in FIG. 14. For brevity, no further details are provided herein.
  • the ambient light detecting module 610 may correspond to the ambient light sensor 14 in the mobile phone 10 of FIG. 2, and may also correspond to the ambient light sensor 410 of the terminal device 400 in FIG. 12; the ambient light compensation correction module 620 and the temperature control.
  • the module 630 may correspond to the processor 11 of the mobile phone 10 of FIG. 2, and may also correspond to the terminal device 400 of FIG. Processor 420.
  • the temperature control device of the embodiment of the present application incorporates the temperature change of the ambient light to the controlled system into the temperature control strategy, by adjusting the temperature control threshold, adjusting the heat generation parameter, and the working intensity of the heating or cooling module.
  • the problem of poor temperature control accuracy caused by ignoring the influence of ambient light is avoided; at the same time, the brightness adjustment value of the display screen is adjusted by the ambient light brightness value as a variable, so that the user experience can be better improved.
  • the embodiment of the present application also provides a computer program product that, when run on a computer, causes the computer to perform the above-described method of controlling temperature.
  • the computer program product may be software, and may be other types of computer program products, and the application is not limited thereto.
  • the processor may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of a CPU and an NP.
  • the processor may further include a hardware chip.
  • the hardware chip may be an Application-Specific Integrated Circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof.
  • the PLD may be a Complex Programmable Logic Device (CPLD), a Field-Programmable Gate Array (FPGA), a Generic Array Logic (GAL), or any combination thereof.
  • the memory can be either volatile memory or non-volatile memory, or can include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • the computer program product can include one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber (DSL), or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic disk), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)).
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.

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  • Human Computer Interaction (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
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Abstract

L'invention concerne un procédé de commande d'une température, et un appareil. Le procédé consiste : à collecter la luminosité de la lumière ambiante ; à régler un seuil de régulation de température d'un premier appareil en fonction de la luminosité de la lumière ambiante ; et à détecter la température du premier appareil, et réduire la consommation d'énergie utilisée lors du chauffage du premier appareil ou augmenter la dissipation de chaleur du premier appareil lorsque la température du premier appareil dépasse le seuil de régulation de température réglé. Le procédé de commande de la température dans les modes de réalisation de la présente invention prend l'influence de la lumière ambiante sur le changement de température du système commandé en considération lors de la réalisation de la stratégie de régulation de température, et évite le problème de l'imprécision de la régulation de température due à la négligence de considérer l'influence de la lumière ambiante.
PCT/CN2017/079012 2017-01-03 2017-03-31 Procédé de commande de température, et dispositif terminal et appareil WO2018126546A1 (fr)

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WO2021042245A1 (fr) * 2019-09-02 2021-03-11 阿里巴巴集团控股有限公司 Procédé et appareil de commande d'un dispositif de dissipation de chaleur
CN113826082A (zh) * 2019-09-02 2021-12-21 阿里巴巴集团控股有限公司 一种用于控制散热装置的方法及其设备
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CN110649679A (zh) * 2019-10-11 2020-01-03 Oppo广东移动通信有限公司 终端温度的控制方法、装置、设备以及存储介质
CN110649679B (zh) * 2019-10-11 2023-06-16 Oppo广东移动通信有限公司 终端温度的控制方法、装置、设备以及存储介质
CN113325902A (zh) * 2021-05-08 2021-08-31 东风柳州汽车有限公司 智能调节出胶量的方法、装置、设备及存储介质
CN113325902B (zh) * 2021-05-08 2023-03-21 东风柳州汽车有限公司 智能调节出胶量的方法、装置、设备及存储介质
CN117290174A (zh) * 2023-03-07 2023-12-26 深圳市大屏影音技术有限公司 一种基于物联网的智能设备监管***及方法
CN117554083A (zh) * 2024-01-11 2024-02-13 天津航天瑞莱科技有限公司 一种采用发动机机匣热内压疲劳试验加载***的方法
CN117554083B (zh) * 2024-01-11 2024-04-12 天津航天瑞莱科技有限公司 一种采用发动机机匣热内压疲劳试验加载***的方法

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