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CN-121996033-A - Heat dissipation system and method of mobile terminal

CN121996033ACN 121996033 ACN121996033 ACN 121996033ACN-121996033-A

Abstract

The embodiment of the invention provides a heat dissipation system and a heat dissipation method of a mobile terminal, comprising a processor and a main board, wherein the processor is arranged on the main board, an internal heat dissipation device is arranged on the processor or the main board and used for absorbing heat generated by the processor, a detection device is arranged on the main board and used for detecting the installation state of a rear shell external heat dissipation device of the mobile terminal, a position adjustment device is arranged on the main board, and the internal heat dissipation device is arranged on or communicated with the position adjustment device and used for controlling whether the internal heat dissipation device is in contact with a rear shell according to the detection result of the detection device so as to transfer the heat to the rear shell. According to the invention, the problem that the internal heat conduction device and the external heat conduction device cannot be flexibly combined in the related art is solved, and the effect of improving the heat dissipation efficiency is further achieved.

Inventors

  • ZHANG XIAOLIANG

Assignees

  • 中兴通讯股份有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (15)

  1. 1. A heat dissipation system for a mobile terminal, comprising: the device comprises a processor and a main board, wherein the processor is arranged on the main board; the internal heat dissipation device is arranged on the processor or the main board and used for absorbing heat generated by the processor; the detection device is arranged on the main board and is used for detecting the installation state of the rear shell external heat dissipation device of the mobile terminal; And the position adjusting device is arranged on the main board, and the internal heat radiating device is arranged on the position adjusting device or is communicated with the position adjusting device and is used for controlling whether the internal heat radiating device is in contact with the rear shell or not according to the detection result of the detection device so as to transfer heat to the rear shell.
  2. 2. The system of claim 1, wherein the internal heat sink is a graphite sheet attached to a surface of the processor and a surface of the position adjustment device, or, The internal heat dissipation device is a liquid cooling heat conduction device, the liquid cooling heat conduction device is arranged on one side of the main board opposite to the processor, and the liquid cooling heat conduction device is communicated with the position adjusting device.
  3. 3. The system of claim 1, wherein the detection device is a Hall device for detecting whether the rear case is equipped with an external heat sink containing a magnet, or, The detection device is a near field communication NFC coil, and the NFC coil is used for detecting whether an external heat dissipation device containing the NFC coil is installed on the rear shell.
  4. 4. The system of claim 1, wherein the position adjustment device comprises one of: Magnetic attraction type fixing device, hydraulic type fixing device, spring type fixing device and electric motor fixing device.
  5. 5. The system of claim 4, wherein the magnetic fixing means comprises a magnet, a magnetic material, and a center post, the inner heat sink is attached to a surface of the magnet, the magnet is in a hollow sheet shape, a bottom of the magnetic fixing means is made of the magnetic material, the center post is mounted on the magnetic material, a hollow area of the magnet is sleeved on a cylindrical object, the magnet in the magnetic fixing means moves up and down along the center post according to an attractive force of the magnetic material or an attractive force of the magnet in the outer heat sink to control whether to be in contact with the rear housing, or, The magnetic fixing device comprises a liquid bag, a magnetic material and a center column, wherein the top of the liquid bag is provided with a magnet, the internal heat radiating device is communicated with the liquid bag, the liquid bag is hollow, the bottom of the magnetic fixing device is provided with the magnetic material, the center column is arranged on the magnetic material, a hollow area of the liquid bag is sleeved on a columnar object, and the magnet at the top of the liquid bag moves up and down along the center column according to the attractive force of the magnetic material or the attractive force of the magnet in the external heat radiating device so as to control whether the magnet is in contact with the rear shell or not.
  6. 6. The system of claim 4, wherein the magnetic fixing means comprises a magnet, a magnetic material, and a sidewall frame, the internal heat sink is attached to a surface of the magnet, the bottom of the magnetic fixing means is the magnetic material, the sidewall frame is mounted on the magnetic material, the magnet in the magnetic fixing means moves up and down along the sidewall frame according to an attractive force of the magnetic material or an attractive force of the magnet in the external heat sink to control whether to be in contact with the rear case, or, The magnetic fixing device comprises a liquid bag, magnetic materials and a side wall frame, wherein the top of the liquid bag is provided with a magnet, the internal heat dissipation device is communicated with the liquid bag, the bottom of the magnetic fixing device is provided with the magnetic materials, the side wall frame is arranged on the magnetic materials, and the magnet at the top of the liquid bag moves up and down along the side wall frame according to the attractive force of the magnetic materials or the attractive force of the magnet in the external heat dissipation device so as to control whether the magnet is in contact with the rear shell or not.
  7. 7. The system of claim 4, wherein the hydraulic fixture comprises a flexible fluid bladder, a fluid compression pump mounted on the main board, the fluid bladder having a thermally conductive material on top, the internal heat sink being attached to a surface of the thermally conductive material, the fluid compression pump being configured to pump or compress fluid in the fluid bladder to control whether it is in contact with the rear housing, or, The hydraulic fixing device comprises a telescopic liquid bag and a liquid compression pump, the hydraulic fixing device is installed on the main board, the top of the liquid bag is made of heat conducting materials, the internal heat dissipation device is communicated with the liquid bag, and the liquid compression pump is used for pumping or pressing liquid in the liquid bag so as to control whether the liquid bag is in contact with the rear shell or not.
  8. 8. The system of claim 4, wherein the spring type fixing means comprises a spring, a telescopic liquid bag, the spring type fixing means is installed on the main board, the top of the liquid bag is made of heat conducting material, the inner heat dissipation device is attached to the surface of the heat conducting material, the spring is used for contracting or extending to control whether the spring is in contact with the rear shell or not, The spring type fixing device comprises a spring and a telescopic liquid bag, the spring type fixing device is installed on the main board, the top of the liquid bag is made of heat conducting materials, the internal heat dissipation device is communicated with the liquid bag, and the spring is used for contracting or extending to control whether the spring is in contact with the rear shell or not.
  9. 9. The system of claim 4, wherein the electric motor type fixing means comprises an electric motor, a telescopic lever arm, a telescopic liquid bag, the electric motor type fixing means is mounted on the main board, the top of the liquid bag is made of heat conducting material, the internal heat dissipation device is attached to the surface of the heat conducting material, the electric motor is used for contracting or extending the lever arm to control whether the electric motor is in contact with the rear shell or not, The electric motor type fixing device comprises an electric motor, a telescopic lever arm and a telescopic liquid bag, the electric motor type fixing device is installed on the main board, the top of the liquid bag is made of heat conducting materials, the internal heat dissipation device is communicated with the liquid bag, and the electric motor is used for contracting or extending the lever arm so as to control whether the electric motor type fixing device is in contact with the rear shell or not.
  10. 10. The system of claim 1, wherein the position adjustment device is configured to transfer the heat to the rear case to dissipate heat through the external heat sink if the detection device detects that the rear case mounts the external heat sink.
  11. 11. The system according to claim 1, wherein the position adjustment device is configured to not contact the rear case to dissipate heat through the internal heat dissipation device in a case where the detection device detects that the rear case is not mounted with the external heat dissipation device.
  12. 12. The system of claim 1, comprising one of: in the case that the internal heat dissipating device is a graphite sheet, the processor is configured to transmit temperature information of the processor to the external heat dissipating device through bluetooth, so as to adjust a fan rotation speed of the external heat dissipating device; When the inner heat dissipation device is a graphite sheet and the detection device is an NFC coil, the detection device is used for transmitting the temperature information to an outer heat dissipation device containing the NFC coil so as to adjust the fan rotation speed of the outer heat dissipation device; When the internal heat dissipation device is a liquid cooling heat conduction device, the processor is used for adjusting the liquid circulation speed of the liquid cooling heat conduction device according to the temperature information and/or transmitting the temperature information to the external heat dissipation device through Bluetooth so as to adjust the fan rotation speed of the external heat dissipation device; And the processor is used for adjusting the liquid circulation speed of the liquid cooling heat conduction device according to the temperature information and/or transmitting the temperature information to an external heat dissipation device containing the NFC coil through the NFC coil so as to adjust the fan rotation speed of the external heat dissipation device under the condition that the internal heat dissipation device is the liquid cooling heat conduction device and the detection device is the NFC coil.
  13. 13. A method for dissipating heat of a mobile terminal, comprising: detecting the installation state of an external heat dissipation device on a rear shell of the mobile terminal; transferring heat to the rear case to radiate heat through an external heat radiating device with the rear case mounted with the external heat radiating device; in the case where the rear case is not mounted with the external heat dissipating device, the heat is not transferred to the rear case to dissipate the heat through the internal heat dissipating device.
  14. 14. An electronic device, characterized in that it comprises a system as claimed in any one of claims 1 to 12.
  15. 15. A computer program product comprising a computer program which, when executed by a processor, implements the steps of the method as claimed in claim 13.

Description

Heat dissipation system and method of mobile terminal Technical Field The embodiment of the invention relates to the field of communication, in particular to a heat dissipation system and a heat dissipation method of a mobile terminal. Background The heat dissipation mode of the mobile terminal is divided into two modes, one is to diffuse the heat generated by the processor through a heat dissipation device in the mobile terminal, and the other is to rapidly take away the heat from the surface of the terminal through an external heat dissipation device arranged at the back of the mobile terminal. The two heat dissipation modes are single, and the problem that the internal heat conduction device and the external heat conduction device cannot be flexibly combined is solved. Disclosure of Invention The embodiment of the invention provides a heat dissipation system and a heat dissipation method of a mobile terminal, which are used for at least solving the problem that an internal heat conduction device and an external heat conduction device cannot be flexibly combined for use in the related technology. According to one embodiment of the invention, a heat dissipation system of a mobile terminal is provided, which comprises a processor and a main board, wherein the processor is arranged on the main board, an internal heat dissipation device is arranged on the processor or is arranged on the main board and used for absorbing heat generated by the processor, a detection device is arranged on the main board and used for detecting the installation state of a rear shell external heat dissipation device of the mobile terminal, a position adjustment device is arranged on the main board, and the internal heat dissipation device is arranged on or communicated with the position adjustment device and used for controlling whether the internal heat dissipation device is contacted with the rear shell according to the detection result of the detection device so as to enable the heat to be transferred to the rear shell. According to another embodiment of the present invention, there is provided a heat dissipating method of a mobile terminal including detecting a mounted state of an external heat dissipating device on a rear case of the mobile terminal, transferring heat to the rear case to dissipate heat through the external heat dissipating device in case that the external heat dissipating device is mounted on the rear case, and not transferring heat to the rear case to dissipate heat through the internal heat dissipating device in case that the external heat dissipating device is not mounted on the rear case. According to a further embodiment of the present invention, there is also provided an electronic device comprising the steps of any of the method embodiments described above. According to a further embodiment of the invention, there is also provided a computer readable storage medium having a computer program stored therein, wherein the computer program is arranged to perform the steps of any of the method embodiments described above when run. According to a further embodiment of the invention, there is also provided an electronic device comprising a memory in which a computer program is stored and a processor arranged to run the computer program to perform the steps of any of the method embodiments described above. According to a further embodiment of the invention, there is also provided a computer program product comprising a computer program which, when executed by a processor, implements the steps of any of the method embodiments described above. According to the embodiment of the invention, the position adjusting device is arranged on the main board of the mobile terminal, and can control whether the position adjusting device is in contact with the rear shell or not according to the result detected by the detecting device, and the position adjusting device radiates heat through the external radiating device when the position adjusting device is in contact with the rear shell and radiates heat through the internal radiating device when the position adjusting device is not in contact with the rear shell. Drawings FIG. 1 is a schematic view of an external heat sink according to an embodiment of the present invention; fig. 2 is a schematic diagram (a) of a heat dissipation system of a mobile terminal according to an embodiment of the present invention; fig. 3 is a schematic diagram of a heat dissipation system of a mobile terminal according to an embodiment of the present invention; FIG. 4 is a schematic diagram of a liquid-cooled heat conduction device according to an embodiment of the invention; fig. 5 is a schematic diagram of a heat dissipation system of a mobile terminal according to an embodiment of the present invention; fig. 6 is a schematic diagram (fourth) of a heat dissipation system of a mobile terminal according to an embodiment of the present invention; FIG. 7 is a schematic view (I) of a magnetic fixing d