WO2013134985A1 - 温度控制装置、方法与电子设备 - Google Patents

温度控制装置、方法与电子设备 Download PDF

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Publication number
WO2013134985A1
WO2013134985A1 PCT/CN2012/074184 CN2012074184W WO2013134985A1 WO 2013134985 A1 WO2013134985 A1 WO 2013134985A1 CN 2012074184 W CN2012074184 W CN 2012074184W WO 2013134985 A1 WO2013134985 A1 WO 2013134985A1
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WO
WIPO (PCT)
Prior art keywords
temperature
component
electronic device
control device
operating
Prior art date
Application number
PCT/CN2012/074184
Other languages
English (en)
French (fr)
Inventor
宋景山
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP12871425.0A priority Critical patent/EP2827216B1/en
Priority to RU2014140467/08A priority patent/RU2603540C2/ru
Priority to ES12871425.0T priority patent/ES2676558T3/es
Priority to US14/384,767 priority patent/US9756758B2/en
Publication of WO2013134985A1 publication Critical patent/WO2013134985A1/zh

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1919Control of temperature characterised by the use of electric means characterised by the type of controller
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/345Arrangements for heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Definitions

  • the present invention relates to the field of electronic devices, and more particularly to a temperature control device, method and electronic device. Background technique
  • the operating temperature generally has a relatively large limitation.
  • abnormal operation such as failure to start, failure to charge, failure to operate normally, and increase in CPU calculation error rate may occur.
  • the occurrence of the state For example, in the winter of 2011, tablets in the low temperature area have failed due to low temperature and cannot be charged.
  • the method (1) does not solve the substantial problem; the method (2) is not universal, because the replacement of components can cause excessive cost, and the advanced device has limited performance improvement compared with the conventional device, but The price will increase a lot, the price is very low.
  • the main object of the present invention is to provide a temperature control device, method and electricity The problem.
  • a temperature control device is provided, and the following technical solutions are adopted:
  • the temperature control device is configured to maintain an operating temperature of the components of the electronic device, including: a temperature detecting unit, configured to detect an operating temperature of the component; and a heating unit, configured to: according to the detection result of the temperature detecting unit Heating the component so that the operating temperature is between the first temperature and the second temperature; and a power interface connecting the temperature detecting unit and the heating unit, respectively, for the temperature detecting unit and the heating The unit power supply; wherein, the first temperature is a lower limit value of an operating temperature of the component, and the second temperature is an upper limit value of an operating temperature of the component.
  • the temperature control device further includes: a control unit, connected to the heating unit, and further, the temperature detecting unit detects that the operating temperature of the component is: starting the detecting function according to the preset time interval to work on the component Temperature detection.
  • the heating unit is a heat generating material that converts electrical energy into thermal energy.
  • the heat generating material is in the form of a film for covering the electronic device and/or the device.
  • an upper limit value of an operating temperature of the heating unit is smaller than the second temperature, and a lower limit value of an operating temperature of the heating unit is smaller than the first temperature.
  • an electronic device is provided and the following technical solutions are employed:
  • the electronic device includes the above temperature control device; the temperature control device includes a temperature detecting unit and a heating unit, wherein the temperature detecting unit is disposed at a predetermined heating component of the electronic device, and is used for the component The operating temperature is monitored; the heating unit is disposed in a reserved space of the electronic device or at the component, and is used to add the component Hot.
  • the temperature control device is disposed at the first component of the electronic device for controlling an operating temperature of the first component.
  • the temperature control device is disposed between the first component and the second component of the electronic device for controlling an operating temperature of the first component and the second component.
  • the first component is a printed circuit board made of a heat conductive material, and the printed circuit board serves as a heat generating device of the temperature control device.
  • the first component further includes a processing module and a storage module; a control unit of the temperature control device is integrated with the first component, and the control unit shares the processing module with the first component The storage module.
  • a temperature control method is provided, and the following technical solutions are employed:
  • the temperature control method is applied to maintain an operating temperature of components of the electronic device, and the temperature control method comprises: acquiring a current temperature of the component; determining whether the current temperature is between the first temperature and the second temperature, and determining a result of the determination that the current temperature is between the first temperature and the second temperature when the current temperature is lower than the first temperature; wherein the first temperature is the a lower limit of the operating temperature of the component, and the second temperature is an upper limit of the operating temperature of the component.
  • the invention can detect the working temperature of the electronic device or component in real time or at intervals, and adjust the temperature of the electronic device or component according to the detection result, so that the electronic device Or the temperature of the component is between the preset upper limit value and the lower limit value, which overcomes the abnormal working state that the electronic device or component cannot be started at a low temperature state, cannot be charged, cannot operate normally, and the CPU calculation error rate is improved. happened.
  • FIG. 1 is a schematic structural view of a temperature control device according to a first embodiment of the present invention
  • FIG. 1 is a schematic structural view of a temperature control device according to a second embodiment of the present invention
  • Schematic
  • FIG. 4 is a schematic structural diagram of an electronic device according to Embodiment 4 of the present invention.
  • FIG. 5 is a schematic structural diagram of an electronic device according to Embodiment 5 of the present invention.
  • FIG. 6 is a flow chart showing a temperature control method according to Embodiment 6 of the present invention.
  • Figure 7 is a flow chart showing a temperature control method according to a seventh embodiment of the present invention.
  • Figure 8 is a flow chart showing a temperature control method according to Embodiment 8 of the present invention.
  • the basic idea of the present invention is: obtaining a current temperature of the component; determining whether the current temperature is between the first temperature and the second temperature, and obtaining a determination result; the determining result is that the current temperature is lower than the current temperature
  • the current temperature is controlled between the first temperature and the second temperature; wherein, the first temperature is a lower limit value of an operating temperature of the component, and the second The temperature is the upper limit of the operating temperature of the component.
  • Embodiment 1 illustrates the composition, use method and technical effect of the temperature control device by the main structure of the temperature control device.
  • Fig. 1 is a block diagram showing the structure of a temperature control device according to a first embodiment of the present invention.
  • the temperature control device includes:
  • the temperature detecting unit 10 and the temperature detecting unit 10 are connected to the component 16 of the electronic device for Detecting an operating temperature of the component 16;
  • the heating unit 12 is configured to control the operating temperature of the element 16 between the first temperature and the second temperature according to the detection result of the temperature detecting unit 10;
  • the power interface 14 is connected to the temperature detecting unit 10 and the heating unit 12 respectively for supplying power to the temperature detecting unit 10 and the heating unit 12;
  • the first temperature is a lower limit of an operating temperature of the component 16
  • the second temperature is an upper limit of an operating temperature of the component 16.
  • the mobile phone display screen is taken as an example, but is not limited to the mobile phone display screen, and includes other electronic device components that are not working properly due to low temperature, such as a battery chip of a tablet computer, a CPU, etc. .
  • the temperature detecting unit 10 can be a temperature sensor or other device capable of measuring temperature, and the temperature of the display screen of the mobile phone is measured by the temperature detecting unit 10. Since the operating temperature of the display screen has a low temperature limit, the display cannot be normal below 0 degrees Celsius.
  • the temperature detecting unit 10 detects the temperature of the display screen when the temperature of the display screen is lower than 0 degrees Celsius, and starts the heating unit 12 of the temperature control device. After the heating unit 12 is started, the display screen is heated, and after heating, the display unit is heated.
  • the display can be used normally.
  • the temperature detecting unit 10 does not stop the operation, but activates the detecting function every predetermined time interval, and reports the detection result. According to the detection result, the heating unit 12 activates the temperature rising function, controls the temperature lowering function, or turns off any function.
  • the power interface 14 supplies power to the heating unit 12 and the temperature detecting unit 10, the power interface
  • USB interface 14 can be a power socket, used to connect the rechargeable battery, or a USB interface, connected to the electronic device through the USB interface, such as the USB interface of the computer to achieve charging.
  • the second embodiment provides a preferred structural layout of a temperature control device, and controls the heating device through a control unit 201.
  • the battery chip of the tablet computer is taken as an example, but is not limited to heating the battery chip. Including other electronic devices that are affected by low temperatures and are not working properly Equipment and its components.
  • the temperature control device includes a control unit 201 for controlling activation and deactivation of the heat generating device 202.
  • the heating device 202 converts electrical energy into thermal energy
  • the heat conducting device 203 is made of a material having better thermal conductivity, covering Or placed close to the device in the working system that requires heating.
  • the temperature detecting unit 10 is connected to the control unit 201 by a wire because the temperature detecting unit 10 should not be placed together with the control unit 201 and the heating device 202 at the time of layout to reduce the influence of the heating device 202 on the temperature detecting unit 10. . It can be placed on opposite sides of the device.
  • the minimum temperature required for the normal operation of the heating device 202 is lower than the lower limit of the temperature range required for normal operation of the electronic device or component; the lower limit of the normal operating temperature range of the temperature detecting unit 10 and the control unit 202 is lower.
  • the lower limit of the normal operating temperature range of the functional device When the heating device 202 is heated, the temperature of itself cannot be greater than the upper limit of the temperature range required for the normal operation of the electronic device, otherwise the electronic device may be damaged due to overheating.
  • the heating device 202 should be operable independently of the control unit 201, i.e., when the control unit 201 is not functioning properly, the heating device 202 should still be able to be activated and functioning properly.
  • the heating device 202 can be integrated with other functional devices, and the printed circuit board can be directly fabricated using a material having a high thermal conductivity so that the printed circuit board functions as the heating device 202.
  • the heating device 202 can also be disposed in a free space of the electronic device, and the internal space temperature of the electronic device is increased by heating. However, in this way, the upper limit of the maximum temperature of different components is considered to be different, and therefore, a heating temperature upper limit is re-established. All components of the electronic device can work normally.
  • the temperature sensing unit 10 should be as close as possible to the system function device and minimize the effects of the heating device 202 on it. When the temperature of the functional device is not yet reached, the temperature detecting unit 10 reports an erroneous temperature value because the temperature of the heating device 202 is measured.
  • the third embodiment is an example of heating a tablet power chip, which cannot be charged normally when it is lower than 9 degrees Celsius.
  • FIG. 3 is a schematic structural diagram of an electronic device according to Embodiment 3 of the present invention.
  • this embodiment also uses a battery chip as an example to heat the battery chip, but is not limited to heating the battery chip.
  • the temperature control device further includes a control unit 201.
  • the third embodiment two power supply modes achievable by the temperature control device are shown.
  • the first mode is that the external power source 301 can be a function system.
  • the battery chip of 303 is charged and supplied to the temperature control device, for example, through a USB interface.
  • the second method is to supply power to the battery chip charging and temperature control device of the function system 203 through the battery.
  • the heating unit is a heating device 207, such as 3, the control unit 201 is connected between the temperature detecting unit 10 and the heating device 207, and the temperature control device is disposed at the power chip, the power chip supplies power to the working circuit and other components of the function system 303, and the temperature detecting unit 10
  • the temperature of the power chip is detected to be lower than 9 degrees Celsius, both the power input 301 and the battery 302 are affected, that is, the charging is not charged, which will affect the normal use of the function system 303, and the temperature detecting unit 10 will detect the power chip.
  • the current temperature is reported to the control unit 201, and the control unit 201 reports the report.
  • the temperature of the heating device 207 is effectively controlled to ensure that the operating temperature of the power chip is above 9 degrees Celsius.
  • the heating means 207 may be a material capable of converting electrical energy into thermal energy, such as a heat generating ceramic, a low temperature electric heating film, a silicone sheet or the like.
  • Heating power? voltage U* voltage U / resistance R, the heating power can be adjusted by adjusting the resistance value of the heating device to prevent the power from being too low, resulting in poor heating efficiency, or too high power, resulting in overheating of the device.
  • the temperature control device is formed into a film shape, and the film-shaped temperature control device is covered on the electronic device or component to be heated, so that the temperature regulation of the electronic device or component can be realized.
  • FIG. 4 is a schematic structural diagram of an electronic device according to Embodiment 4 of the present invention.
  • the electronic device panel 401 includes a front cover, a display screen, a touch screen, etc., which is the same as the original panel portion of the electronic device, without any modification.
  • the film-like heating device 402 is located between the electronic device panel 401 and the electronic device function processing system 403, and is easy to simultaneously conduct heat to the electronic device panel 401 and the electronic device function processing system 403 at the same time.
  • the electronic device function processing system 403 includes a working circuit and the like, and the control unit 201 and the temperature detecting unit 10 can also be disposed therein.
  • the film-like heating device of this embodiment may also be heated by only one structure or component, for example, the electronic device panel 401 is a structure to be heated, and the electronic device function processing system 403 is replaced by a back cover of the electronic device.
  • a film shape The heating device 402 heats only the electronic device panel 401 and may be packaged inside the electronic device.
  • the heating device is arranged in a film shape and covered on the electronic device or component, which is convenient to use and does not affect the assembly effect of the electronic device.
  • control unit 201 may be an electronic device or a mechanical device that works alone, or may be integrated with the working circuit of the functional system or integrated with the temperature detecting unit 10.
  • control unit 201 is integrated with the temperature detecting unit 10
  • a temperature-controlled switch can also be used instead of the functions of both.
  • Embodiment 5 is a specific embodiment in which the control unit of the temperature control device is integrated with the working circuit of the electronic device function system.
  • FIG. 5 is a schematic structural diagram of an electronic device according to Embodiment 5 of the present invention.
  • the functional system 303 of the electronic device includes a working circuit 504 that is integrated with the control unit 201 of the temperature control device, and the power input 301 and the battery 302 serve as battery chip charging power for the electronic device.
  • the function system 303 is an electronic device working system, generally composed of a power chip, a control circuit, and other related functional components. Functional systems such as mobile phones include power chips, baseband circuits, radio frequency circuits, memories, antennas, displays, touch screens, audio devices, and the like.
  • the heating system includes a temperature detecting unit 10, a heating device 207, and a control unit 201.
  • Control unit 201 is integrated with working circuit 504.
  • the heating system In the low temperature state, the heating system is used to raise the temperature of the functional system of the entire electronic device to ensure the normal operation of the functional system.
  • the temperature control device can receive the temperature value reported by the temperature detecting device and control the activation and deactivation of the heating device 207.
  • the control unit 201 is integrated with the working circuit 504 of the function system 303, and can share functional components such as a CPU and a memory to save the manufacturing cost of the product.
  • Fig. 6 is a flow chart showing the temperature control method according to the sixth embodiment of the present invention.
  • the temperature control method includes:
  • S805 controlling, when the current result is that the current temperature is lower than the first temperature, controlling the current temperature between the first temperature and the second temperature;
  • the first temperature is a lower limit value of an operating temperature of the component
  • the second temperature is an upper limit value of an operating temperature of the component
  • the electronic device and/or the component by detecting the temperature of the electronic device and/or the component, the electronic device and/or the component is heated or cooled according to the detection result of the temperature of the electronic device and/or the component, so that the electronic device and/or the element The operating temperature of the device is maintained within the range of guaranteed normal operation.
  • Fig. 7 is a flow chart showing the temperature control method according to the seventh embodiment of the present invention.
  • the temperature control method includes:
  • Step 601 After receiving the start signal, enter the startup process.
  • the start signal may be initiated by the user pressing the power button; or may be issued by the control unit after heating for a certain period of time.
  • this embodiment can support the control unit to operate independently of the functional system.
  • Step 602 Start the control unit. If the current control unit has been activated, this step can In order to be considered successful.
  • Step 603 If the control unit starts successfully, the current temperature is acquired by the temperature detecting unit.
  • Step 604 After the current temperature is successfully obtained from the control unit, it is determined whether the current temperature is lower than the first threshold.
  • the first threshold should be equal to or slightly greater than the lower limit of the temperature range required for the electronic device to function properly.
  • Step 605 If it is determined in step 604 that the temperature is higher than the first threshold, it is considered that the system can operate normally at the current temperature to activate the electronic device function system.
  • Step 606 If the temperature control device fails in step 602, it is considered that the temperature is too low, causing the temperature control device to fail to work normally; or the current temperature failure is obtained in step 603, and the temperature is too low to cause the temperature detecting unit to fail to work normally; or step 604 Judging the current temperature first threshold, it is determined that the function system will not work properly.
  • the heating device is turned on, and it is first determined whether the heating device is currently activated. If the heating unit has been started, the start-up process is ended. If the heating device is not activated, then step 607 is entered.
  • Step 607 Start the heating device.
  • Step 608 End the process. If the power-on process successfully starts the function system (step 705), or the temperature control device is not activated (step 602 fails), the power-on process is completely ended. If the temperature control device has been activated, but the acquisition temperature has failed (step 603 failed) or the temperature has been determined to be lower than the first threshold (step 604), then at the time of a timer, there is a temperature control device control that re-enters the startup process. A certain timing means when the temperature is higher than the first threshold, or after a certain period of time.
  • Fig. 8 is a flow chart showing the temperature control method according to the eighth embodiment of the present invention.
  • the temperature control method includes:
  • Step 701 The temperature control device acquires the current temperature through the temperature detecting device.
  • Step 702 Determine whether the current temperature is lower than the first threshold.
  • the first threshold should be equal to or slightly greater than the lower limit of the temperature range required for the electronic device to function properly.
  • Step 703 If it is determined in step 702 that the current temperature is the first threshold, it is determined that the function system may be abnormal. At this point, the heating device is turned on, and it is first determined whether the heating device is currently activated. If the heating device has been started, the temperature control process is ended. If the heating device is not activated, then step 704 is entered.
  • Step 704 Start the heating device.
  • Step 705 After determining in step 702 that the current temperature is higher than the first threshold, determining whether the current temperature is higher than the second threshold.
  • the second threshold value is a temperature value higher than the first threshold value, but the temperature value cannot be higher than the upper limit of the temperature range required for the normal operation of the electronic device.
  • the temperature difference between the two thresholds is the temperature drop that will occur during a certain working time when the electronic device is working. If the current temperature is lower than the second threshold, the temperature control process ends.
  • Step 706 In step 705, it is determined that the current temperature is higher than the second threshold, and the temperature is deemed to have met the normal working requirement of the functional system, and if the temperature does not decrease below the first threshold within a certain period of time, the heating device is shut down. First, it is judged whether the heating device is currently in an open state. If the heating unit is not currently turned on, it does not need to be turned off to end the temperature control process.
  • Step 707 In step 706, it is determined that the current heating device is in the on state, and the heating device is turned off.
  • the invention can detect the working temperature of the electronic device or component in real time or at intervals, and adjust the temperature of the electronic device or component according to the detection result, so that the electronic device Or the temperature of the component is between the preset upper limit value and the lower limit value, which overcomes the abnormal working state that the electronic device or component cannot be started at a low temperature state, cannot be charged, cannot operate normally, and the CPU calculation error rate is improved. happened.

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Abstract

本发明提供一种温度控制装置、方法与电子设备,用于解决电子设备及元器件在低温状态下无法工作的问题。该温度控制装置包括:温度检测单元(10),用于检测元器件(16)的工作温度;加热单元(12),用于根据所述温度检测单元(10)的检测结果对所述元器件(16)进行加热,使得所述工作温度在第一温度与第二温度之间;以及电源接口(14),分别连接所述温度检测单元(10)与所述加热单元(12),用于为所述温度检测单元(10)与所述加热单元(12)供电;其中,所述第一温度为所述元器件(16)的工作温度的下限值,所述第二温度为所述元器件(16)的工作温度的上限值。该温度控制装置可以维持电子设备或元器件的工作温度,使得电子设备及其元器件克服低温障碍,从而正常工作。

Description

温度控制装置、 方法与电子设备 技术领域
本发明涉及电子设备领域, 更具体的, 涉及一种温度控制装置、 方法 与电子设备。 背景技术
便携式电子设备由于受到集成电路、 电池、 天线等元器件的限制, 工 作温度一般有比较大的限制, 在低温时会导致无法启动、 不能充电、 无法 正常运行、 CPU计算错误率提高等非正常工作状态的发生。 比如 2011年冬 季, 平板电脑在低温地区出现了因低温而无法充电的故障。 对于上述问题, 目前采用的方法有如下两种:
( 1 )通过提高外界环境温度, 待电子设备温度随环境提升至可正常工 作温度后, 再执行充电或开机等操作。
( 2 )使用更高级的元器件, 通过高品质的物料扩大电子设备的工作温 度范围。
然而, 方法 ( 1 )并没有解决实质性的问题; 而方法 (2 )并不通用, 因为元器件的更换, 会引起成本过高问题, 同时高级器件与普通器件相比, 性能提升有限, 但价格却会提高很多, 性价比很低。
因此, 现有技术中, 存在因温度偏低而导致电子设备无法正常工作的 问题, 对于该问题, 目前尚未提出理想的解决方案。 发明内容
有鉴于此, 本发明的主要目的在于提供一种温度控制装置、 方法与电 作的问题。
为实现上述目的, 根据本发明的一个方面, 提供一种温度控制装置, 并采用以下技术方案:
温度控制装置, 用于维持电子设备的元器件的工作温度, 包括: 温度 检测单元, 用于检测所述元器件的工作温度; 加热单元, 用于根据所述温 度检测单元的检测结果对所述元器件进行加热, 使所述工作温度在第一温 度与第二温度之间; 以及电源接口, 分别连接所述温度检测单元与所述加 热单元, 用于为所述温度检测单元与所述加热单元供电; 其中, 所述第一 温度为所述元器件的工作温度的下限值, 所述第二温度为所述元器件的工 作温度的上限值。
进一步地, 温度控制装置还包括: 控制单元, 连接所述加热单元, 用 进一步地, 所述温度检测单元检测元器件的工作温度为: 根据预设时 间间隔启动检测功能对所述元器件进行工作温度的检测。
进一步地, 所述加热单元为将电能转化为热能的发热材料。
进一步地, 所述发热材料为薄膜状, 用于覆盖在电子设备和 /或所述元 器件上。
进一步地, 所述加热单元的工作温度的上限值小于所述第二温度, 所 述加热单元的工作温度的下限值要小于所述第一温度。
根据本发明的另外一个方面, 提供一种电子设备, 并采用以下技术方 案:
电子设备, 包括上述的温度控制装置; 所述温度控制装置包括温度检 测单元与加热单元, 其中, 所述温度检测单元设置在电子设备的预定加热 的元器件处, 用于对所述元器件的工作温度进行监测; 所述加热单元设置 在所述电子设备的预留空间里或所述元器件处, 用于对所述元器件进行加 热。
进一步地, 所述温度控制装置设置在所述电子设备的第一组件处, 用 于控制所述第一组件的工作温度。
进一步地, 所述温度控制装置设置在所述电子设备的所述第一组件与 第二组件之间, 用于控制所述第一组件与所述第二组件的工作温度。
进一步地, 所述第一组件为导热材料制成的印刷电路板, 所述印刷电 路板作为所述温度控制装置的发热装置。
进一步地, 所述第一组件进一步包括处理模块与存储模块; 所述温度 控制装置的控制单元与所述第一组件集成在一起, 所述控制单元于所述第 一组件共用所述处理模块与所述存储模块。
根据本发明的又一个方面, 提供一种温度控制方法, 并采用以下技术 方案:
温度控制方法, 应用于维持电子设备的元器件的工作温度, 温度控制 方法包括: 获取所述元器件的当前温度; 判断所述当前温度是否在第一温 度与第二温度之间, 并得到判断结果; 所述判断结果为所述当前温度低于 所述第一温度时, 控制所述当前温度在所述第一温度与所述第二温度之间; 其中, 所述第一温度为所述元器件的工作温度的下限值, 所述第二温度为 所述元器件的工作温度的上限值。
本发明通过设置温度检测单元与温度控制单元, 可实时或每隔一段时 间对电子设备或元器件进行工作温度的检测, 并根据检测的结果对电子设 备或元器件的温度进行调节, 使得电子设备或元器件的温度在预设的上限 值和下限值之间, 克服了电子设备或元器件在低温状态下无法启动、 不能 充电、 无法正常运行、 CPU计算错误率提高等非正常工作状态的发生。
除了上面所描述的目的、 特征和优点之外, 本发明还有其它的目的、 特征和优点。 下面将参照图, 对本发明作进一步详细的说明。 附图说明
附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发明 的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图中:
图 1表示本发明实施例一所述的温度控制装置的结构示意图; 图 1表示本发明实施例二所述的温度控制装置的结构示意图; 图 3表示本发明实施例三所述的电子设备的结构示意图;
图 4表示本发明实施例四所述的电子设备的结构示意图;
图 5表示本发明实施例五所述的电子设备的结构示意图;
图 6表示本发明实施例六所述的温度控制方法的流程图;
图 7表示本发明实施例七所述的温度控制方法的流程图; 以及 图 8表示本发明实施例八所述的温度控制方法的流程图。 具体实施方式
本发明的基本思想是: 获取元器件的当前温度; 判断所述当前温度是 否在第一温度与第二温度之间, 并得一判断结果; 所述一判断结果为所述 当前温度低于所述第一温度时, 控制所述当前温度在所述第一温度与所述 第二温度之间; 其中, 所述第一温度为所述元器件的工作温度的下限值, 所述第二温度为所述元器件的工作温度的上限值。
以下结合附图对本发明的实施例进行详细说明, 但是本发明可以由权 利要求限定和覆盖的多种不同方式实施。
实施例一通过温度控制装置的主要结构来说明温度控制装置的组成、 使用方法及技术效果。
图 1表示本发明实施例一所述的温度控制装置的结构示意图。
参见图 1所示, 温度控制装置包括:
温度检测单元 10, 温度检测单元 10连接电子设备的元器件 16, 用于 检测所述元器件 16的工作温度;
加热单元 12,用于根据所述温度检测单元 10的检测结果控制所述元器 件 16的工作温度在第一温度与第二温度之间; 以及
电源接口 14, 分别连接所述温度检测单元 10与所述加热单元 12, 用 于为所述温度检测单元 10与所述加热单元 12提供电力;
其中, 所述第一温度为所述元器件 16的工作温度的下限值, 所述第二 温度为所述元器件 16的工作温度的上限值。
在本实施例的上述技术方案中, 以手机显示屏为例, 但并不限于手机 显示屏, 也包括其他受温度低而无法正常工作的电子设备元器件, 如平板 电脑的电池芯片、 CPU等。
温度检测单元 10可以为温度传感器或者其它能够测量温度的器件, 通 过温度检测单元 10测量手机的显示屏的温度, 由于该显示屏的工作温度有 低温限制, 即在 0摄氏度以下该显示屏不能正常显示, 温度检测单元 10在 检测到该显示屏的温度低于 0摄氏度时, 将该温度上报, 并启动温度控制 装置的加热单元 12, 加热单元 12启动后对该显示屏进行加热, 加热后该显 示屏即可以正常使用。
但是温度检测单元 10并不停止工作, 而是每隔预定时间间隔均启动检 测功能, 并将检测结果上报, 根据检测结果, 加热单元 12启动升温功能, 控制降温功能或关闭任何功能。
电源接口 14为加热单元 12与温度检测单元 10提供电力, 该电源接口
14既可以是电源插口, 用于接充电电池, 也可以为 USB接口, 通过 USB 接口接电子设备, 如接电脑的 USB接口, 实现充电。
实施例二给出一温度控制装置的较佳结构布局, 并且通过一控制单元 201对加热装置进行控制, 并且在实施例二中以平板电脑的电池芯片为例, 但不限于为电池芯片加热, 包括其他受低温影响而无法正常工作的电子设 备及其元器件。
参见图 2所示, 温度控制装置包括一控制单元 201 , 用于控制发热装置 202的启动与关闭; 加热装置 202, 可以将电能转化为热能, 导热装置 203 使用导热性能较好的材料制作, 覆盖或近距离安置在工作系统中需要加热 的器件旁。
加热装置 202与导热装置 203共同组成加热单元。
温度检测单元 10通过一根线与控制单元 201相连接, 因为, 在布局时 温度检测单元 10不应该与控制单元 201及加热装置 202放在一起, 以降低 加热装置 202对温度检测单元 10的影响。 如可以设置于器件相对的两侧。
具体而言, 加热装置 202正常工作所要求的最低温度, 比电子设备或 元器件的正常工作所要求的温度范围的下限更低; 温度检测单元 10和控制 单元 202 的正常工作温度范围下限要低于功能器件的正常工作温度范围下 限。 加热装置 202加热时, 自身温度不能大于电子设备正常工作所要求的 温度范围的上限, 否则可能导致电子设备因为过热而损坏。
加热装置 202应可以独立于控制单元 201工作, 即当控制单元 201无 法正常工作时, 加热装置 202仍然应当可以启动并正常工作。
加热装置 202可以和其他功能器件集成, 甚至可以直接将印刷电路板 使用导热能力较强的材料制作, 使印刷电路板充当加热装置 202。
加热装置 202也可以设置在电子设备的一空闲空间, 通过加热使得电 子设备的内部空间温度上升, 但是这种方式要考虑不同元器件的最高温度 上限不同, 因此, 要重新制定一加热温度上限, 使得电子设备的各个元器 件均可以正常工作。
温度检测单元 10应当尽量靠近系统功能器件, 并尽可能降低加热装置 202对其的影响。 防止功能器件温度尚未达到要求时, 温度检测单元 10却 因为测量到了加热装置 202的温度而上报错误的温度值。 实施例三为一平板电脑电源芯片加热的例子, 该电源芯片在低于 9摄 氏度时, 不能正常充电。
图 3表示本发明实施例三所述的电子设备的结构示意图;
参见图 3 所示, 该实施例同样以电池芯片为例, 为电池芯片加热, 但 不限于为电池芯片加热。
温度控制装置与实施例 1相比, 还包括一控制单元 201 , 同时, 在实施 例三中, 示出了温度控制装置可实现的两种电源方式, 方式一为通过外部 电源 301可为功能系统 303的电池芯片充电及为温度控制装置供电, 例如 通过 USB接口; 方式二为通过电池为功能系统 203的电池芯片充电及温度 控制装置供电, 在本实施例中加热单元为一加热装置 207, 如图 3 , 控制单 元 201连接在温度检测单元 10与加热装置 207之间, 将温度控制装置设置 在电源芯片处, 该电源芯片为功能系统 303 的工作电路及其它组件提供电 力, 温度检测单元 10在检测到电源芯片的温度低于 9摄氏度时, 电源输入 301及电池 302充电均受到影响, 即充不进去电, 这将会影响功能系统 303 的正常使用, 温度检测单元 10将检测到的电源芯片的当前温度上报给控制 单元 201 , 控制单元 201根据上报的温度对加热装置 207进行有效的控制, 以保证电源芯片的工作温度在 9摄氏度以上。
优选地, 加热装置 207可以为能将电能转化为热能的材料, 例如发热 陶瓷、 低温电热膜片, 硅胶片等等。 发热功率?=电压 U*电压 U/电阻 R,可 通过调整发热装置的电阻值来调整发热功率, 防止功率过低而导致加热效 率太差, 或功率太高而导致设备过热。
实施例四为将温度控制装置设成薄膜状, 将薄膜状的温度控制装置覆 盖在待加热的电子设备或元器件上, 即可实现对该电子设备或元器件的温 度调控。
图 4表示本发明实施例四所述的电子设备的结构示意图。 电子设备面板 401 , 包括正面外壳、 显示屏、 触摸屏等, 此部分与电子 设备原来的面板部分相同, 无需任何改动。
薄膜状加热装置 402,位于电子设备面板 401与电子设备功能处理系统 403中间,易于同时给电子设备面板 401和电子设备功能处理系统 403同时 导热。
电子设备功能处理系统 403 , 包括工作电路等,控制单元 201和温度检 测单元 10也可以安置在此处。
本实施例的薄膜状加热装置也可以只为一个结构或组件加热, 例如电 子设备面板 401为待加热结构, 而电子设备功能处理系统 403用电子设备 的后盖取代, 这种情况下, 薄膜状加热装置 402只为电子设备面板 401加 热, 并且可以封装在电子设备的内部。
本实施例将加热装置设置成一薄膜状, 并且覆盖在电子设备或元器件 上, 使用方便, 且不影响电子设备的组装效果。
优选地, 控制单元 201 可以是单独工作的电子设备或机械设备, 也可 以与功能系统的工作电路集成, 也可以与温度检测单元 10集成。 当控制单 元 201与温度检测单元 10集成后, 也可以使用温控开关替代两者的功能。
实施例五为温度控制装置的控制单元与电子设备功能系统的工作电路 集成在一起的具体实施例。
图 5表示本发明实施例五所述的电子设备的结构示意图。
电子设备的功能系统 303包括一工作电路 504,工作电路 504与温度控 制装置的控制单元 201集成在一起, 电源输入 301与电池 302作为电子设 备的电池芯片充电电源。 功能系统 303 为电子设备工作系统, 一般由电源 芯片、 控制电路和其他相关功能组件共同构成。 如手机的功能系统包括电 源芯片、 基带电路、 射频电路、 存储器、 天线、 显示器、 触摸屏、 音频器 件等。 加热系统包括温度检测单元 10、 加热装置 207及控制单元 201。
控制单元 201与工作电路 504集成在一起。
在低温状态下, 加热系统用于提升整个电子设备功能系统的温度, 保 证功能系统的正常运行。 温度控制装置可以接收温度检测装置上报的温度 值, 并控制加热装置 207的启动与关闭。 在该实施例中, 控制单元 201与 功能系统 303的工作电路 504相集成, 可以共用 CPU、存储器等功能组件, 以节省产品的制作成本。
图 6表示本发明实施例六所述的温度控制方法的流程图。
参见图 6所示, 温度控制方法包括:
S801 : 获取所述元器件的当前温度;
S803 : 判断所述当前温度是否在第一温度与第二温度之间, 并得一判 断结果;
S805: 在所述一判断结果为所述当前温度低于所述第一温度时, 控制 所述当前温度在所述第一温度与所述第二温度之间;
其中, 所述第一温度为所述元器件的工作温度的下限值, 所述第二温 度为所述元器件的工作温度的上限值。
本实施例通过对电子设备和 /或元器件温度的检测, 根据电子设备和 / 或元器件温度的检测结果, 对电子设备和 /或元器件的进行升温或降温, 使 得电子设备和 /或元器件的工作温度维持在保证正常工作的范围之内。
图 7表示本发明实施例七所述的温度控制方法的流程图。
参见图 7所示, 温度控制方法包括:
步驟 601 : 在接收到启动信号后, 进入启动流程。 该启动信号可以是用 户按电源键发起; 也可以是在加热一定时间后, 由控制单元发出。 在该流 程图中可以看到, 该实施例可以支持控制单元独立于功能系统运行。
步驟 602: 启动控制单元。 如果当前控制单元已经被启动, 则该步驟可 以认为被成功执行。
步驟 603: 控制单元启动成功, 则通过温度检测单元获取当前温度。 步驟 604: 从控制单元成功获取当前温度后, 判断当前温度是否低于第 一阀值。 第一阀值应等于或略大于电子设备能够进行正常工作所要求的温 度范围的下限。
步驟 605:如果步驟 604判断出温度高于第一阀值,则认为当前温度下, 系统可以正常运行, 启动电子设备功能系统。
步驟 606: 如果步驟 602中启动温度控制装置失败,认为温度过低导致 温度控制装置无法正常工作; 或者步驟 603 中获取当前温度失败, 认为温 度过低导致温度检测单元无法正常工作; 或者步驟 604 中判断当前温度第 一阀值, 判定功能系统将无法正常工作。 此时进入加热装置开启流程, 先 判断加热装置当前是否已经启动。 如果加热装置已经启动, 则结束本次开 机流程。 如果加热装置未启动, 则进入步驟 607。
步驟 607: 启动加热装置。
步驟 608:结束流程。如果本次开机流程成功启动功能系统(步驟 705 ), 或者温度控制装置都没有被启动 (步驟 602失败), 则开机流程完全结束。 如果温度控制装置已经被启动, 但是获取温度失败(步驟 603 失败)或者 判定温度低于第一阀值(步驟 604 ), 则在一定时机时, 有温度控制装置控 制, 再次进入启动流程。 一定时机指温度高于第一阀值时, 或者一定时间 后。
图 8表示本发明实施例八所述的温度控制方法的流程图。
参见图 8所示, 温度控制方法包括:
该流程在系统能够正常工作后, 温度控制装置和功能系统已经成功启 动, 并正常运行后才会被触发。
步驟 701 : 温度控制装置通过温度检测装置获取当前温度。 步驟 702: 判断当前温度是否低于第一阀值。 第一阀值应等于或略大于 电子设备能够进行正常工作所要求的温度范围的下限。
步驟 703: 如果步驟 702中判断当前温度第一阀值, 判定功能系统可能 会工作异常。 此时进入加热装置开启流程, 先判断加热装置当前是否已经 启动。 如果加热装置已经启动, 则结束本次温度控制流程。 如果加热装置 未启动, 则进入步驟 704。
步驟 704: 启动加热装置。
步驟 705: 步驟 702中判定当前温度高于第一阀值后, 判断当前温度是 否高于第二阀值。 第二阀值为一高于第一阀值的温度值, 但该温度值不能 高于电子设备正常工作所要求的温度范围的上限。 两个阀值的温差为电子 设备工作时, 一定工作时间内会产生的温度降低值。 如果当前温度低于第 二阀值, 则结束本次温度控制流程。
步驟 706: 步驟 705中判定当前温度高于第二阀值, 则认为温度已经满 足功能系统正常工作要求, 并在一定时间内温度不会降低到第一阀值以下, 则进入加热装置关闭流程。 首先判断加热装置当前是否处于开启状态。 如 果加热装置当前未开启, 则无需关闭, 结束本次温度控制流程。
步驟 707: 步驟 706中判定当前加热装置处于开启状态, 则关闭加热装 置。
本发明通过设置温度检测单元与温度控制单元, 可实时或每隔一段时 间对电子设备或元器件进行工作温度的检测, 并根据检测的结果对电子设 备或元器件的温度进行调节, 使得电子设备或元器件的温度在预设的上限 值和下限值之间, 克服了电子设备或元器件在低温状态下无法启动、 不能 充电、 无法正常运行、 CPU计算错误率提高等非正常工作状态的发生。
以上所述仅为本发明的优选实施例, 并非因此限制本发明的专利范围 , 凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换, 或直 接或间接运用在其他相关的技术领域, 均同理包括在本发明的专利保护范 围内。

Claims

权利要求书
1. 一种温度控制装置, 用于维持电子设备的元器件的工作温度, 其特 征在于, 该温度控制装置包括:
温度检测单元, 用于检测元器件的工作温度;
加热单元, 用于根据所述温度检测单元的检测结果对所述元器件进行 加热, 使所述工作温度在第一温度与第二温度之间; 以及
电源接口, 分别连接所述温度检测单元与所述加热单元, 用于为所述 温度检测单元与所述加热单元供电;
其中, 所述第一温度为所述元器件的工作温度的下限值, 所述第二温 度为所述元器件的工作温度的上限值。
2. 如权利要求 1所述的温度控制装置, 其特征在于, 该温度控制装置 还包括:
控制单元, 连接所述加热单元, 用于根据所述温度检测单元的检测结 果启动或关闭所述加热单元。
3. 如权利要求 1所述的温度控制装置, 其特征在于, 所述温度检测单 元检测元器件的工作温度为:
根据预设时间间隔启动检测功能对所述元器件进行工作温度的检测。
4.如权利要求 1所述的温度控制装置, 其特征在于, 所述加热单元为将 电能转化为热能的发热材料。
5. 如权利要求 4所述的温度控制装置, 其特征在于, 所述发热材料为 薄膜状, 用于覆盖在电子设备和 /或所述元器件上。
6.如权利要求 1所述的温度控制装置, 其特征在于, 所述加热单元的工 作温度的上限值小于所述第二温度, 所述加热单元的工作温度的下限值要 小于所述第一温度。
7.—种电子设备, 其特征在于, 包括权利要求 1至 6中任一项所述的温 度控制装置;
所述温度控制装置包括温度检测单元与加热单元, 其中, 所述温度检 测单元设置在电子设备的预定加热的元器件处, 用于对所述元器件的工作 温度进行检测; 所述加热单元设置在所述电子设备的预留空间里或所述元 器件处, 用于对所述元器件进行加热。
8.如权利要求 7所述的电子设备, 其特征在于, 所述温度控制装置设置 在所述电子设备的第一组件处, 用于控制所述第一组件的工作温度。
9.如权利要求 7所述的电子设备, 其特征在于, 所述温度控制装置设置 在所述电子设备的所述第一组件与第二组件之间, 用于控制所述第一组件 与所述第二组件的工作温度。
10.如权利要求 8或 9所述的电子设备, 其特征在于, 所述第一组件为 导热材料制成的印刷电路板, 所述印刷电路板作为所述温度控制装置的发 热装置。
11. 如权利要求 7所述的电子设备, 其特征在于, 所述第一组件进一步 包括: 处理模块与存储模块;
所述温度控制装置的控制单元与所述第一组件集成在一起, 所述控制 单元于所述第一组件共用所述处理模块与所述存储模块。
12.—种温度控制方法, 应用于维持电子设备的元器件的工作温度, 其 特征在于, 该方法包括:
获取所述元器件的当前温度;
判断所述当前温度是否在第一温度与第二温度之间, 并得到判断结果; 所述判断结果为所述当前温度低于所述第一温度时, 控制所述当前温 度在所述第一温度与所述第二温度之间;
其中, 所述第一温度为所述元器件的工作温度的下限值, 所述第二温 度为所述元器件的工作温度的上限值。
PCT/CN2012/074184 2012-03-14 2012-04-17 温度控制装置、方法与电子设备 WO2013134985A1 (zh)

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