WO2021174677A1 - 可折叠移动终端的散热系统、壳体及可折叠移动终端 - Google Patents

可折叠移动终端的散热系统、壳体及可折叠移动终端 Download PDF

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Publication number
WO2021174677A1
WO2021174677A1 PCT/CN2020/090358 CN2020090358W WO2021174677A1 WO 2021174677 A1 WO2021174677 A1 WO 2021174677A1 CN 2020090358 W CN2020090358 W CN 2020090358W WO 2021174677 A1 WO2021174677 A1 WO 2021174677A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat dissipation
mobile terminal
housing
foldable mobile
baffle
Prior art date
Application number
PCT/CN2020/090358
Other languages
English (en)
French (fr)
Inventor
丁峰
Original Assignee
武汉华星光电半导体显示技术有限公司
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 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/045,184 priority Critical patent/US20230131590A1/en
Publication of WO2021174677A1 publication Critical patent/WO2021174677A1/zh

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • 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
    • G06F1/203—Cooling means for portable computers, e.g. for laptops
    • 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
    • G06F1/206—Cooling means comprising thermal management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft

Definitions

  • the present invention relates to the technical field of mobile terminals. More specifically, the present invention relates to a heat dissipation system of a foldable mobile terminal, a housing of a foldable mobile terminal, and a foldable mobile terminal.
  • the heat dissipation of the foldable mobile terminal is realized by opening a heat dissipation hole.
  • the heat dissipation holes have good heat dissipation effect under normal working conditions, foreign objects such as external dust and moisture can easily enter the interior of the foldable mobile terminal from the heat dissipation holes when not working, which will affect the performance of the foldable mobile terminal .
  • the foldable mobile terminal is in the folded state, once a foreign object enters between the screens in the folded state, the screen of the foldable mobile terminal will be damaged.
  • the embodiment of the present invention provides a heat dissipation system, a housing, and a foldable mobile terminal for a foldable mobile terminal.
  • a baffle, a rotating shaft and a fixing member are arranged in the heat dissipation hole, and the rotation shaft drives the baffle to rotate to realize the opening and closing of the heat dissipation hole.
  • the baffle opens the heat dissipation hole when heat is dissipated, and the baffle closes the heat dissipation hole when no heat dissipation is required.
  • the baffle closes the heat dissipation hole when no heat dissipation is required.
  • Seals and grooves are respectively provided on the two folded shells to ensure the airtightness between the two shells when the foldable mobile terminal is in the folded state, prevent foreign objects from entering between the folded screens, and prevent foreign objects from damaging the screen. This solves the problem that the existing foldable mobile terminal easily enters the heat dissipation hole and affects the performance of the foldable mobile terminal, and the foreign matter enters between the folded screen in the folded state and damages the screen.
  • a heat dissipation system for a foldable mobile terminal includes a heat dissipation hole, a baffle, and a rotating shaft.
  • the heat dissipation hole is provided on the housing of the foldable mobile terminal, and the heat dissipation hole is Centrally symmetrical and axially symmetrical structure, the baffle plate and the rotating shaft are arranged inside the heat dissipation hole, the rotating shaft is rotatably connected with the housing, the rotating shaft is perpendicular to the hole extending direction of the heat dissipation hole, and the rotating shaft Connected with a driving part, the driving part is used to drive the rotating shaft to rotate inside the heat dissipation hole, the baffle is fixedly connected to the rotation shaft, and the baffle is used to open or close the heat dissipation hole.
  • the number of the baffle and the rotating shaft is one, the rotating shaft is close to a side wall of the heat dissipation hole, and the rotating shaft is fixedly connected to the edge of the inner end surface of the baffle.
  • the number of the baffles and the rotating shafts are both two, the two baffles are arranged symmetrically, the two rotating shafts are arranged symmetrically, and the two rotating shafts are respectively close to two opposite side walls of the heat dissipation hole, and the rotating shaft They are respectively fixedly connected with the inner end surface edge of the baffle.
  • the heat dissipation system further includes a fixing member fixed on the wall of the heat dissipation hole, and the fixing member is used for fixing the baffle rotating to the inner side of the heat dissipation hole.
  • the end surface of the heat dissipation hole is square.
  • the heat dissipation system further includes a current sensor that is electrically connected to the circuit board of the foldable mobile terminal, the current sensor is communicatively connected to the central processing unit of the foldable mobile terminal, and the central processing unit The driver is communicatively connected with the driving member.
  • the heat dissipation system further includes a temperature sensor, the temperature sensor is fixed inside the foldable mobile terminal, and the temperature sensor and the driving member are respectively communicatively connected with the central processing unit of the foldable mobile terminal.
  • a housing of a foldable mobile terminal in a second aspect of the present invention, includes a first housing and a second housing, and the first housing is fixedly connected to the first support plate , The second housing is fixedly connected to the second support plate, the first support plate and the second support plate are hinged, the housing of the foldable mobile terminal further includes any one of the heat dissipation systems described above, a plurality of The heat dissipation system is fixed on the first shell and the second shell respectively.
  • a plurality of sealing elements are fixed on the edge of the top surface of the first housing, and a plurality of grooves matching the sealing elements are provided on the edge of the top surface of the second housing.
  • a foldable mobile terminal in a third aspect of the present invention, includes the housing of the foldable mobile terminal described in the second aspect, and the housing of the foldable mobile terminal includes a first housing And a second housing, the first housing is fixedly connected to the first supporting plate, the second housing is fixedly connected to the second supporting plate, the first supporting plate and the second supporting plate are hinged, the foldable
  • the housing of the mobile terminal further includes any one of the heat dissipation systems described above, and a plurality of the heat dissipation systems are respectively fixed on the first housing and the second housing.
  • a plurality of sealing elements are fixed on the edge of the top surface of the first housing, and a plurality of grooves matching the sealing elements are provided on the edge of the top surface of the second housing.
  • the heat dissipation system of the foldable mobile terminal provided by the present invention is provided with a shaft and a baffle in the heat dissipation hole, and the driving member drives the rotation shaft to rotate in the heat dissipation hole, and the rotation shaft drives the baffle to rotate, thereby realizing the opening or closing of the heat dissipation hole.
  • the drive unit drives the rotating shaft to drive the baffle to open the heat dissipation hole for heat dissipation.
  • the heat dissipation system also includes a fixing part.
  • the opened baffle is fixed by a fixing part on the heat dissipation hole wall, which has a reliable structure and stable heat dissipation;
  • the driving part drives the rotating shaft to drive the baffle to close the heat dissipation hole to prevent foreign matter such as dust and moisture from entering the foldable mobile terminal through the heat dissipation hole, so as to avoid affecting the performance of the foldable mobile terminal and causing malfunctions.
  • the housing of the foldable mobile terminal provided by the present invention is provided with a plurality of sealing elements on one of the housings, and a groove matching the sealing element is provided on the other housing.
  • the seal on one of the shells is embedded in the groove on the other shell, and the seal and the groove are tightly closed to maintain the tightness between the two shells and prevent foreign objects such as dust from being folded. Damage the screen between the screens.
  • Fig. 1 is a schematic structural diagram of an embodiment of a heat dissipation system of a foldable mobile terminal in an open state.
  • Fig. 2 is a schematic structural diagram of an embodiment of a heat dissipation system of a foldable mobile terminal in a closed state.
  • Fig. 3 is a schematic structural diagram of another embodiment of a heat dissipation system of a foldable mobile terminal in an open state.
  • Fig. 4 is a schematic structural diagram of another embodiment of a heat dissipation system of a foldable mobile terminal in a closed state.
  • Fig. 5 is a schematic structural diagram of a housing of a foldable mobile terminal in an unfolded state provided by the present invention.
  • Fig. 6 is a schematic structural diagram of a housing of a foldable mobile terminal in a folded state provided by the present invention.
  • Fig. 7 is a schematic diagram of the connection relationship between the sealing element and the housing.
  • Heat dissipation system 1. Heat dissipation holes; 2. First baffle; 2', second baffle; 2", third baffle; 3. First shaft; 3', second shaft; 3", first Three rotating shafts; 4, the first fixing piece; 4', the second fixing piece; 4", the third fixing piece; 5. the first stopper; 5', the second stopper; 5", the third stopper; 100 , The first housing; 200, the second housing; 20, the seal; 21, the positioning rod; 22, the hole; 30, the groove.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, it can be the internal connection of two components or the interaction relationship between two components, unless otherwise specified The limit.
  • installed can be a fixed connection or a detachable connection. , Or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, it can be the internal connection of two components or the interaction relationship between two components, unless otherwise specified The limit.
  • the specific meanings of the above-mentioned terms in the present invention can be understood according to specific situations.
  • the word "exemplary” is used to mean “serving as an example, illustration, or illustration.” Any embodiment described as “exemplary” in the present invention is not necessarily construed as being more preferable or advantageous than other embodiments.
  • the present invention sets out details for the purpose of explanation. It should be understood that those of ordinary skill in the art can realize that the present invention can be implemented even without using these specific details. In other examples, well-known structures and processes will not be elaborated to avoid unnecessary details to obscure the description of the present invention. Therefore, the present invention is not intended to be limited to the illustrated embodiments, but should be consistent with the widest scope that conforms to the principles and features disclosed in the present invention.
  • the embodiment of the present invention provides a heat dissipation system for a foldable mobile terminal.
  • the heat dissipation system 10 includes a heat dissipation hole 1, a baffle, and a rotating shaft.
  • Axisymmetric structure that is, the heat dissipation hole is of a regular shape, the baffle and the rotating shaft are arranged inside the heat dissipation hole 1, the rotation shaft is connected to the housing in rotation, the rotation shaft is perpendicular to the hole extension direction of the heat dissipation hole 1, the rotation shaft is connected with the driving part, and the driving part It is used to drive the shaft to rotate inside the heat dissipation hole 1; the baffle is fixedly connected to the shaft.
  • the inner end surface edge of the baffle is fixedly connected to the shaft.
  • the baffle is used to open or close the heat dissipation hole 1.
  • the baffle changes with the rotation of the shaft. Rotate to realize the opening and closing of the heat dissipation hole 1.
  • heat dissipation hole 1 is opened, heat dissipation is performed and the temperature of the foldable mobile terminal is reduced.
  • the heat dissipation hole 1 is closed, foreign objects such as external dust and moisture are prevented from entering the interior of the foldable mobile terminal. Avoid affecting the performance of the internal components of the foldable mobile terminal.
  • the heat dissipation system also includes a fixing part, which is fixed on the wall of the heat dissipation hole 1, and the fixing part is used to fix the baffle that rotates to the inside of the heat dissipation hole, and the fixing part is located at the rear of the baffle that rotates to the inside of the heat dissipation hole to the maximum angle.
  • the fixing piece on the wall of the heat dissipation hole 1 fixes the baffle to prevent the movement or vibration of the foldable mobile terminal from causing the movement of the baffle to close the heat dissipation hole 1, thereby affecting the heat dissipation effect.
  • the fixing part ensures that the heat dissipation hole 1 is in a stable open state , To ensure a good heat dissipation effect.
  • the fixing part is preferably an electromagnetic strip, which is electrically connected to the battery of the foldable mobile terminal.
  • the electromagnetic strip When heat is dissipated, the electromagnetic strip is energized and the baffle is fixed by the electromagnetic strip. The plate rotates and closes the heat dissipation hole 1 driven by the rotating shaft.
  • FIG. 1 is a schematic structural diagram of an embodiment of a heat dissipation system of a foldable mobile terminal in an open state
  • FIG. 2 is a schematic structural diagram of an embodiment of a heat dissipation system of a foldable mobile terminal in a closed state.
  • This embodiment provides a heat dissipation system for a foldable mobile terminal.
  • the heat dissipation system includes a heat dissipation hole 1 and a baffle, a rotating shaft and a fixing member arranged inside the heat dissipation hole 1, that is, the heat dissipation system 10 includes the heat dissipation hole 1.
  • the first baffle 2, the first rotating shaft 3 and the first fixing member 4, the first baffle 2, the first rotating shaft 3 and the first fixing member 4 are arranged inside the heat dissipation hole 1; the first rotating shaft 3 is opened with a heat dissipation hole
  • the housing of 1 is connected in rotation, the end surface of the heat dissipation hole 1 is preferably square, the two ends of the first shaft 3 are respectively embedded in the upper wall and the lower wall of the heat dissipation hole 1, and the first shaft 3 is rotatably connected with the housing provided with the heat dissipation hole 1 ,
  • the first rotating shaft 3 is close to one of the side walls of the heat dissipation hole 1, the first rotating shaft 3 is connected with the driving part, and the driving part drives the first rotation shaft 3 to rotate inside the heat dissipation hole 1;
  • the edge of the end surface is fixedly connected, so that when the first baffle 2 rotates with the first rotating shaft 3 to be perpendicular to the extension direction of the heat dissip
  • the first fixing member 4 is fixed on the side wall of the heat dissipation hole 1 close to the first shaft 3 and parallel to the first shaft 3.
  • the opening area is the largest.
  • the first fixing member 4 fixes the first baffle 2 at this time to prevent the movement or vibration of the foldable mobile terminal from causing the movement of the first baffle 2 to close the heat dissipation hole 1 and thus affect the heat dissipation effect.
  • the fixing member 4 ensures that the heat dissipation hole 1 is in a stable open state, and a good heat dissipation effect is ensured.
  • both ends of the first rotating shaft 3 are rotatably connected with the upper and lower walls of the housing where the heat dissipation hole 1 is located, the first rotating shaft 3 is fixed on the leftmost side of the heat dissipation hole 1, and the first rotating shaft 3 Fixedly connected with the leftmost edge of the inner end surface of the first baffle 2, the first fixing member 4 is fixed on the left side wall of the heat dissipation hole 1, and the first fixing member 4 is located on the first baffle that opens to the inside of the heat dissipation hole by the maximum angle 2.
  • a first stopper 5 is provided on the bottom surface of the heat dissipation hole 1.
  • the first stopper 5 is close to the opposite side wall of the first rotating shaft 3, and the first stopper 5 is used to block the first baffle 2 and avoid the first rotating shaft. 3
  • FIG. 3 is a schematic structural diagram of another embodiment of a heat dissipation system for a foldable mobile terminal in an open state
  • FIG. 4 is a structure of another embodiment of a heat dissipation system for a foldable mobile terminal in a closed state Schematic.
  • This embodiment provides a heat dissipation system for a foldable mobile terminal.
  • the heat dissipation system 10 includes a heat dissipation hole 1 and two baffles inside the heat dissipation hole 1, two rotating shafts, and two fixing parts. That is, the heat dissipation system 10 includes heat dissipation.
  • the second baffle 2'and the third baffle 2" are arranged symmetrically, the second rotating shaft 3'and the third rotating shaft 3" are arranged symmetrically, the second fixing member 4'and the third fixing member 4" are also arranged symmetrically, and the second rotating shaft 3 'And the third rotating shaft 3" are respectively rotatably connected with the upper wall and the lower wall of the housing where the heat dissipation hole 1 is located, the second rotating shaft 3'and the third rotating shaft 3" are respectively close to two opposite side walls of the heat dissipation hole 1, and the second rotating shaft 3'and the third rotating shaft 3" are respectively connected to the driving part, the driving part can be one, the driving part simultaneously drives the second rotating shaft 3'and the third rotating shaft 3" to rotate in opposite directions through the transmission mechanism, and the driving part can also be two One, the second rotating shaft 3'and the third rotating shaft 3" are synchronously rotated by simultaneously controlling the two driving parts, the second rotating shaft 3'is fixedly connected to the inner end surface edge of the second baffle 2
  • the second fixing member 4' is fixed on the side wall of the heat dissipation hole 1 close to the second rotating shaft 3', and the second fixing member 4'is used for Fix the second baffle 2', the second fixing member 4'is located at the rear of the second baffle 2'when rotated to the maximum angle inside the heat dissipation hole 1, and the third fixing member 4" is fixed on the heat dissipation hole 1 close to the third
  • the third fixing member 4" is used to fix the third baffle 2
  • the third fixing member 4" is located behind the third baffle 2" when it rotates to the inside of the heat dissipation hole 1 to the maximum angle.
  • the second fixing member 4'and the third fixing member 4" prevent the movement or vibration of the foldable mobile terminal from causing the movement of the second baffle 2'and the third baffle 2" to close the heat dissipation hole 1, thereby affecting heat dissipation
  • the second fixing member 4'and the third fixing member 4" ensure that the heat dissipation hole 1 is in a stable open state, and a good heat dissipation effect is ensured.
  • the second rotating shaft 3'and the third rotating shaft 3" are embedded in the upper and lower walls of the heat dissipation hole 1 and are rotatably connected with the housing where the heat dissipation hole 1 is located.
  • the second rotation shaft 3' is fixed on the heat dissipation hole 1
  • the third shaft 3" is fixed on the far right side of the heat dissipation hole 1
  • the second shaft 3’ is fixedly connected with the leftmost edge of the inner end surface of the second baffle 2’
  • the third shaft 3" is connected to the The rightmost edge of the inner end surface of the third baffle 2" is fixedly connected
  • the second fixing member 4' is fixed on the left side wall of the heat dissipation hole 1
  • the second fixing member 4' is located on the inner side of the heat dissipation hole 1 to the maximum angle
  • the third fixing member 4" is fixed on the right side wall of the heat dissipation hole 1, and
  • a second stopper 5'and a third stopper 5" are provided on the bottom surface of the heat dissipation hole 1, and the second stopper 5'and the third stopper 5" are preferably fixed side by side in the middle of the bottom surface of the heat dissipation hole 1.
  • the second block 5' is used to block the second baffle 2'
  • the third block 5" is used to block the third baffle 2" to avoid excessive rotation of the second baffle 2'and the third baffle 2".
  • the heat dissipation system 10 further includes a current sensor, the current sensor is electrically connected to the circuit board of the foldable mobile terminal, the current sensor is communicatively connected with the central processing unit of the foldable mobile terminal, and the central processing unit is connected to the drive unit.
  • the communication connection, the driving part is preferably a motor.
  • the current sensor detects that there is current flowing through the circuit board, the current sensor transmits the signal to the central processing unit.
  • the central processing unit starts the motor.
  • the battery supplies power to the electromagnetic strip.
  • the motor drives the rotating shaft to rotate, and the rotating shaft drives the baffle to The inside of the heat dissipation hole 1 rotates.
  • the opening space of the heat dissipation hole 1 is the largest.
  • the current sensor detects that there is no current through the circuit board, the current sensor transmits the signal to the central processing unit.
  • the central processing unit controls the motor to rotate in the reverse direction and stops energizing the electromagnetic strip. The magnetism of the electromagnetic strip disappears and the adsorption capacity disappears.
  • the rotating shaft drives the baffle to rotate to the outside of the heat dissipation hole 1 until the baffle completely closes the heat dissipation hole 1.
  • the heat dissipation system 10 further includes a temperature sensor, which is fixed inside the foldable mobile terminal for detecting the temperature inside the foldable mobile terminal, and the temperature sensor and the driving member are respectively connected to the center of the foldable mobile terminal.
  • the processor is in communication connection, and the drive is preferably a motor.
  • the central processing unit starts the motor, and at the same time, the battery supplies power to the electromagnetic strip.
  • the central processing unit controls the motor to rotate in the reverse direction, and at the same time, stops energizing the electromagnetic strip. Rotate the outside of the heat dissipation hole 1 until the baffle completely closes the heat dissipation hole 1.
  • the heat dissipation system provided by the embodiment of the present invention is not limited to a foldable mobile terminal, but is also applicable to other electronic devices that require heat dissipation, and the heat dissipation system is universal.
  • FIG. 5 is a structural diagram of the housing of the foldable mobile terminal in an unfolded state provided by the present invention.
  • FIG. 6 is The present invention provides a schematic structural diagram of a housing of a foldable mobile terminal in a folded state.
  • the housing of the foldable mobile terminal includes a first housing 100 and a second housing 200.
  • the first housing 100 is fixedly connected to a first support plate (not shown in the figure), and the second housing 200 is connected to the second support.
  • the board (not shown in the figure) is fixedly connected, and the first support board and the second support board are hinged so that the first housing and the second housing can be folded in half to be aligned.
  • the housing of the foldable mobile terminal also includes any of the above implementations
  • a plurality of heat dissipation systems 10 are respectively fixed on the first housing 100 and the second housing 200, preferably fixed on the sides of the first housing 100 and the second housing 200.
  • a plurality of sealing elements 20 are fixed on the top surface edge of the first housing 100, and a plurality of grooves 30 matching the sealing elements 20 are provided on the top surface edge of the second housing 200.
  • the first housing 100 and the second housing 200 have the same structure.
  • the top surface is provided with a concave surface, and the three sides around the concave surface are convex edges.
  • the first housing When the housing of the foldable mobile terminal is in the unfolded state, the first housing The concave surface of a casing 100 and the concave surface of the second casing 200 are aligned and on the same horizontal plane, and the three convex sides of the first casing 100 and the three convex sides of the second casing 200 enclose a closed shape, Surrounded by the plane formed by the concave surface of the first housing 100 and the concave surface of the second housing 200, the flexible panel is laid flat on the combined plane of the concave surface of the first housing 100 and the second housing 200, and the convex of the first housing 100 The edge and the convex edge of the second shell 200 surround the flexible panel.
  • the three convex edges of the first shell 100 are all fixed with a sealing element 20, and the three convex edges of the second shell 200 are all provided with corresponding ⁇ 30 ⁇ The groove 30.
  • the sealing member 20 on the first housing 100 is embedded in the groove 30 on the second housing 200, and the sealing member 20 and the groove 30 are tight. Closed, so that there is almost no gap between the convex edge of the first housing 100 and the convex edge of the second housing 200, preventing foreign objects such as dust from entering the folded screen and damaging the screen.
  • the sealing member 20 is preferably a strip-shaped sealing member. As shown in FIG.
  • a positioning rod 21 is provided at the bottom of the sealing member 20, and a clamping hole 22 matching the positioning rod 21 is provided on the first housing 100.
  • the hole 22 has an interference fit to firmly fix the sealing member 20 on the first housing 100.
  • the material of the sealing member 20 and the positioning rod 21 is preferably rubber.
  • An embodiment of the present invention also provides a foldable mobile terminal, which includes the housing of the foldable mobile terminal in any of the above-mentioned embodiments or the heat dissipation system of the foldable mobile terminal in any of the above-mentioned embodiments.
  • the foldable mobile terminal can be a portable electronic product with a folding screen, such as a smart phone, a smart watch, a smart bracelet, a tablet computer, a notebook computer, or a smart wearable device (such as a smart helmet and smart glasses).
  • the driving part drives the rotating shaft to drive the baffle to open the heat dissipation holes for heat dissipation; when heat dissipation is not required, the driving part drives the rotation shaft to drive the baffle to close the heat dissipation holes to prevent dust , Moisture and other foreign matter enters the foldable mobile terminal through the heat dissipation holes to avoid affecting the performance of the foldable mobile terminal and causing malfunctions.
  • the seal on one of the shells is embedded in the groove on the other shell, and the seal and the groove are tightly closed to maintain the tightness between the two shells and prevent Foreign objects such as dust move between the folded screens and damage the screens. It solves the problem that foreign objects in the existing foldable mobile terminal are easy to enter the heat dissipation hole and affect the performance of the foldable mobile terminal, and the foreign objects enter between the folded screen in the folded state and damage the screen.

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Abstract

可折叠移动终端的散热系统（10）、壳体和可折叠移动终端，散热系统（10）包括散热孔（1）、挡板和转轴，散热孔（1）开设在可折叠移动终端的壳体上，可折叠移动终端需要散热时，挡板旋转打开散热孔（1）进行散热；不需要散热时，挡板封闭散热孔（1），防止异物通过散热孔（1）进入到可折叠移动终端内部，避免影响可折叠移动终端的性能、造成故障。

Description

可折叠移动终端的散热系统、壳体及可折叠移动终端 技术领域
本发明涉及移动终端技术领域，更为具体来说，本发明为可折叠移动终端的散热系统、可折叠移动终端的壳体及可折叠移动终端。
 背景技术
随着便携式电子设备的不断发展，手机、平板电脑等移动终端的显示屏幕变得越来越大，虽然大屏幕能够为用户同时显示更多的内容，但是也带来了诸如电子设备体积大、占用空间大及便携性差等问题，从而制约了大屏幕便携式电子设备的发展，为同时兼顾各电子设备的便携性和大屏幕的双重属性，折叠屏电子产品应运而生。
随着柔性面板技术的成熟，柔性面板已经可以量产化，并且为可折叠屏幕的设计与生产提供了有力支持。目前按照各可折叠移动终端厂商的设计，可折叠移动终端的散热均是通过开设散热孔的方式实现。虽然在正常工作情况下，散热孔具有良好的散热效果，但在未工作情况下，外界的粉尘以及水分等异物容易从散热孔进入到可折叠移动终端内部，对可折叠移动终端的性能造成影响。并且，可折叠移动终端处于折叠状态时，一旦有异物进入折叠状态的屏幕之间，就会损伤可折叠移动终端的屏幕。
因此，如何在保证散热基本功能的基础上防止异物进入散热孔，同时在折叠状态下防止异物进入折叠的屏幕之间，成为了本领域技术人员亟待解决的技术问题和始终研究的重点。
 技术问题
本发明实施例提供了一种用于可折叠移动终端的散热系统、壳体及可折叠移动终端，在散热孔内设置挡板、转轴和固定件，转轴带动挡板旋转实现散热孔的打开和封闭，在散热时挡板打开散热孔，在无需散热时挡板封闭散热孔，在保证散热基本功能的基础上防止异物进入散热孔，避免对可折叠移动终端的性能造成影响，同时，在可折叠的两个壳体上分别设置密封件和凹槽，保证可折叠移动终端处于折叠状态时两个壳体之间的密封性，防止异物进入折叠的屏幕之间，避免异物对屏幕造成损伤，从而解决现有可折叠移动终端存在的异物易进入散热孔影响可折叠移动终端的性能以及折叠状态下异物进入折叠的屏幕之间损伤屏幕的问题。
 技术解决方案
为此，本发明实施例提供了如下技术方案：
本发明第一方面，提供了一种可折叠移动终端的散热系统，该散热系统包括散热孔、挡板和转轴，所述散热孔开设在可折叠移动终端的壳体上，所述散热孔为中心对称且轴对称结构，所述挡板和转轴设置在所述散热孔的内部，所述转轴与所述壳体转动连接，所述转轴垂直于所述散热孔的孔延伸方向，所述转轴与驱动件连接，所述驱动件用于驱动所述转轴在所述散热孔内部旋转，所述挡板与所述转轴固定连接，所述挡板用于打开或封闭所述散热孔。
进一步地，所述挡板和转轴的数量均为一个，所述转轴靠近所述散热孔的一侧壁，所述转轴与所述挡板内端面边缘固定连接。
进一步地，所述挡板和转轴的数量均为两个，两个挡板对称设置，两个转轴对称设置，两个所述转轴分别靠近所述散热孔两个相对的侧壁，所述转轴分别与所述挡板的内端面边缘固定连接。
进一步地，所述散热系统还包括固定件，所述固定件固定在散热孔的壁上，所述固定件用于固定旋转至所述散热孔内侧的挡板。
进一步地，所述散热孔的端面呈方形。
进一步地，所述散热系统还包括电流感应器，所述电流感应器与可折叠移动终端的电路板电连接，所述电流感应器与可折叠移动终端的中央处理器通信连接，所述中央处理器与所述驱动件通信连接。
进一步地，所述散热系统还包括温度传感器，所述温度传感器固定在所述可折叠移动终端的内部，所述温度传感器和驱动件分别与可折叠移动终端的中央处理器通信连接。
本发明第二方面，提供了一种可折叠移动终端的壳体，该可折叠移动终端的壳体包括第一壳体和第二壳体，所述第一壳体与第一支撑板固定连接，所述第二壳体与第二支撑板固定连接，所述第一支撑板和第二支撑板铰接，该可折叠移动终端的壳体还包括上述任一种所述的散热系统，多个所述散热系统分别固定在所述第一壳体和第二壳体上。
进一步地，所述第一壳体的顶面边缘固定有多个密封件，所述第二壳体的顶面边缘设置有多个与所述密封件匹配的凹槽。
本发明第三方面，提供了一种可折叠移动终端，该可折叠移动终端包括上述第二方面所述的可折叠移动终端的壳体，所述可折叠移动终端的壳体包括第一壳体和第二壳体，所述第一壳体与第一支撑板固定连接，所述第二壳体与第二支撑板固定连接，所述第一支撑板和第二支撑板铰接，该可折叠移动终端的壳体还包括上述任一种所述的散热系统，多个所述散热系统分别固定在所述第一壳体和第二壳体上。
进一步地，所述第一壳体的顶面边缘固定有多个密封件，所述第二壳体的顶面边缘设置有多个与所述密封件匹配的凹槽。
 有益效果
本发明的有益效果为：
（1）本发明提供的可折叠移动终端的散热系统在散热孔内设置转轴和挡板，通过驱动件驱动转轴在散热孔内转动，转轴带动挡板旋转，从而实现散热孔的打开或封闭。在需要进行散热时，驱动件驱动转轴带动挡板打开散热孔进行散热，该散热系统还包括固定件，打开的挡板通过散热孔壁上的固定件进行固定，结构可靠，稳定散热；在不需要散热时，驱动件驱动转轴带动挡板封闭散热孔，防止灰尘、水分等异物通过散热孔进入到可折叠移动终端内部，避免影响可折叠移动终端的性能、造成故障。
（2）本发明提供的可折叠移动终端的壳体在其中一个壳体上设有多个密封件，在另一个壳体上设有与密封件匹配的凹槽，在可折叠移动终端处于折叠状态时，其中一个壳体上的密封件嵌入到另一个壳体上的凹槽内部，密封件和凹槽紧密闭合，保持两个壳体之间的密封性，防止灰尘等异物进行到折叠的屏幕之间而损伤屏幕。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对各个实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据本发明下面具体描述中的这些附图获得其他的附图。
图1为处于打开状态的可折叠移动终端的散热系统一个实施例的结构示意图。
图2为处于封闭状态的可折叠移动终端的散热系统一个实施例的结构示意图。
图3为处于打开状态的可折叠移动终端的散热系统另一个实施例的结构示意图。
图4为处于封闭状态的可折叠移动终端的散热系统另一个实施例的结构示意图。
图5为本发明提供的处于展开状态的可折叠移动终端的壳体的结构示意图。
图6为本发明提供的处于折叠状态的可折叠移动终端的壳体的结构示意图。
图7为密封件与壳体的连接关系示意图。
图中，
10、散热系统；1、散热孔；2、第一挡板；2’、第二挡板；2”、第三挡板；3、第一转轴；3’、第二转轴；3”、第三转轴；4、第一固定件；4’、第二固定件；4”、第三固定件；5、第一挡块；5’、第二挡块；5”、第三挡块；100、第一壳体；200、第二壳体；20、密封件；21、定位杆；22、卡孔；30、凹槽。
 本发明的实施方式
下面结合说明书附图对本发明提供的可折叠移动终端的散热系统、壳体及可折叠移动终端的技术方案进行清楚、完整地描述，显然地，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，所以不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能将其理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”、“第三”的特征可以明示或隐含地包括一个或者更多个特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，“示例性”一词用来表示“用作例子、例证或说明”。本发明中被描述为“示例性”的任何实施例不一定被解释为比其它实施例更优选或更具优势。为了使本领域任何技术人员能够实现和使用本发明，给出了以下描述。在以下描述中，本发明为了解释的目的而列出了细节。应当明白的是，本领域普通技术人员可以认识到，即使在不使用这些特定细节的情况下也可以实现本发明。在其它的实例中，不会对公知的结构和过程进行详细阐述，以避免不必要的细节使本发明的描述变得晦涩。因此，本发明并非旨在限于所示的实施例，而是应与符合本发明所公开的原理和特征的最广范围相一致。
本发明实施例提供了一种可折叠移动终端的散热系统，该散热系统10包括散热孔1、挡板和转轴，散热孔1开设在可折叠移动终端的壳体上，散热孔为中心对称且轴对称结构，即散热孔为规则的形状，挡板和转轴设置在散热孔1的内部，转轴与壳体转动连接，转轴垂直于散热孔1的孔延伸方向，转轴与驱动件连接，驱动件用于驱动转轴在散热孔1内部旋转；挡板与转轴固定连接，优选地，挡板的内端面边缘与转轴固定连接，挡板用于打开或封闭散热孔1，挡板随转轴的旋转而转动，实现散热孔1的打开和封闭，散热孔1打开时进行散热、降低可折叠移动终端的温度，散热孔1关闭时，防止外部的灰尘、水分等异物进入到可折叠移动终端的内部，避免影响可折叠移动终端内部器件的性能。
该散热系统还包括固定件，固定件固定在散热孔1的壁上，固定件用于固定旋转至散热孔内侧的挡板，固定件位于向散热孔内侧旋转至最大角度的挡板的后部，挡板随转轴的旋转向散热孔1内侧转动过程中，散热孔1的打开面积逐渐增大，挡板向散热孔1内侧转动到最大角度时，散热孔1处于完全打开状态，此时，散热孔1壁上的固定件将挡板固定，避免由于可折叠移动终端的移动或震动造成挡板活动使散热孔1关闭，进而影响散热效果，固定件保证了散热孔1处于稳定的打开状态，保证良好的散热效果。
固定件优选为电磁条，固定件与可折叠移动终端的电池电连接，在进行散热时，电磁条通电，电磁条将挡板吸附固定，不需要散热时，电磁条断电，磁性消失，挡板在转轴的带动下转动封闭散热孔1。
请参阅图1和图2，图1是处于打开状态的可折叠移动终端的散热系统一个实施例的结构示意图，图2是处于封闭状态的可折叠移动终端的散热系统一个实施例的结构示意图。本实施例提供了一种可折叠移动终端的散热系统，该散热系统包括散热孔1以及设置在散热孔1内部的一个挡板、一个转轴和一个固定件，即该散热系统10包括散热孔1、第一挡板2、第一转轴3和第一固定件4，第一挡板2、第一转轴3和第一固定件4设置在散热孔1的内部；第一转轴3与开设散热孔1的壳体转动连接，散热孔1的端面优选为方形，第一转轴3的两端分别嵌入散热孔1的上壁和下壁，且第一转轴3与开设散热孔1的壳体转动连接，第一转轴3靠近散热孔1的其中一个侧壁，第一转轴3与驱动件连接，驱动件驱动第一转轴3在散热孔1内部转动；第一转轴3与第一挡板2的内端面边缘固定连接，使得第一挡板2随第一转轴3转动到与散热孔1的孔延伸方向垂直时，第一挡板2能几乎完全封闭散热孔1，避免产生过大的缝隙，具有良好的密封性，有效防止外部的灰尘、水分等异物进入到可折叠移动终端的内部。第一固定件4固定在散热孔1靠近第一转轴3且与第一转轴3平行的侧壁上，当第一挡板2随第一转轴3向散热孔1内侧转动角度最大时，散热孔1打开面积最大，第一固定件4固定此时的第一挡板2，避免由于可折叠移动终端的移动或震动造成第一挡板2活动使散热孔1关闭，进而影响散热效果，第一固定件4保证了散热孔1处于稳定的打开状态，保证良好的散热效果。
具体的，如图1所示，第一转轴3的两端与散热孔1所在壳体的上壁和下壁转动连接，第一转轴3固定在散热孔1的最左侧，第一转轴3与第一挡板2内端面的最左侧边缘固定连接，第一固定件4固定在散热孔1的左侧壁上，第一固定件4位于向散热孔内侧打开最大角度的第一挡板2的后部。如图2所示，第一挡板2能将散热孔1的端面进行封闭，散热孔1处于几乎完全封闭状态，避免异物进入。
优选的，散热孔1的底面上设有第一挡块5，第一挡块5靠近第一转轴3相对的侧壁，第一挡块5用于阻挡第一挡板2，避免第一转轴3带动第一挡板2向散热孔1外侧旋转时旋转过度，一方面，保证第一挡板2完全封闭散热孔1，另一方面，避免第一挡板2旋转过度后转出散热孔1外，影响可折叠移动终端的美感、且不便于携带。
请参阅图3和图4，图3是处于打开状态的可折叠移动终端的散热系统另一个实施例的结构示意图，图4是处于封闭状态的可折叠移动终端的散热系统另一个实施例的结构示意图。本实施例提供了一种可折叠移动终端的散热系统，该散热系统10包括散热孔1以及散热孔1内部的两个挡板、两个转轴和两个固定件，即该散热系统10包括散热孔1、第二挡板2’、第三挡板2”、第二转轴3’、第三转轴3”、第二固定件4’和第三固定件4”，第二挡板2’、第三挡板2”、第二转轴3’、第三转轴3”、第二固定件4’和第三固定件4”设置在散热孔1的内部，散热孔1的端面优选为方形，第二挡板2’和第三挡板2”对称设置，第二转轴3’和第三转轴3”对称设置，第二固定件4’和第三固定件4”也对称设置，第二转轴3’和第三转轴3”分别与散热孔1所在壳体的上壁和下壁转动连接，第二转轴3’和第三转轴3”分别靠近散热孔1两个相对的侧壁，第二转轴3’和第三转轴3”分别与驱动件连接，驱动件可以为一个，驱动件通过传动机构同时驱动第二转轴3’和第三转轴3”向相反的方向旋转，驱动件也可以为两个，通过同时控制两个驱动件实现第二转轴3’和第三转轴3”同步旋转，第二转轴3’与第二挡板2’的内端面边缘固定连接，第三转轴3”与第三挡板2”的内端面边缘固定连接，第二转轴3’带动第二挡板2’转动的同时第三转轴3”带动第三挡板2”转动，第二转轴3’和第三转轴3”同时向散热孔1中心线方向转动时，散热孔1打开，第二转轴3’和第三转轴3”同时向散热孔1两侧壁方向转动时，散热孔1慢慢关闭，直到第二挡板2’和第三挡板2”并排时，散热孔1封闭。第二固定件4’固定在散热孔1靠近第二转轴3’的侧壁上，第二固定件4’用于固定第二挡板2’，第二固定件4’位于向散热孔1内侧旋转至最大角度时的第二挡板2’的后部，第三固定件4”固定在散热孔1靠近第三转轴3”的侧壁上，第三固定件4”用于固定第三挡板2”，第三固定件4”位于向散热孔1内侧旋转至最大角度时的第三挡板2”的后部，第二固定件4’和第三固定件4”避免由于可折叠移动终端的移动或震动而造成第二挡板2’和第三挡板2”活动使散热孔1关闭，进而影响散热效果，第二固定件4’和第三固定件4”保证了散热孔1处于稳定的打开状态，保证良好的散热效果。
具体的 ，如图3所示，第二转轴3’和第三转轴3”嵌入散热孔1的上壁和下壁并与散热孔1所在的壳体转动连接，第二转轴3’固定在散热孔1的最左侧，第三转轴3”固定在散热孔1的最右侧，第二转轴3’与第二挡板2’内端面的最左侧边缘固定连接，第三转轴3”与第三挡板2”内端面的最右侧边缘固定连接，第二固定件4’固定在散热孔1的左侧壁上，第二固定件4’位于向散热孔1内侧旋转至最大角度的第二挡板2’的后部，第三固定件4”固定在散热孔1的右侧壁上，第三固定件4”位于向散热孔1内侧旋转至最大角度的第三挡板2”的后部。如图4所示，第二挡板2’和第三挡板2”并排时，能将散热孔1的端面进行封闭，散热孔1处于封闭状态，避免异物进入。
优选的，散热孔1的底面上设有第二挡块5’和第三挡块5”，第二挡块5’和第三挡块5”优选并排固定在散热孔1底面的中部，第二挡块5’用于阻挡第二挡板2’，第三挡块5”用于阻挡第三挡板2”，避免第二挡板2’和第三挡板2”旋转过度，一方面，保证第二挡板2’和第三挡板2”完全封闭散热孔1，另一方面，避免第二挡板2’和第三挡板2”旋转过度后转出散热孔1外，影响可折叠移动终端的美感、不便于携带。
在一些实施例中，散热系统10还包括电流感应器，电流感应器与可折叠移动终端的电路板电连接，电流感应器与可折叠移动终端的中央处理器通信连接，中央处理器与驱动件通信连接，驱动件优选为电机。当电流感应器检测到电路板有电流通过时，电流感应器将信号传输给中央处理器，此时中央处理器启动电机，同时，电池向电磁条供电，电机带动转轴转动，转轴带动挡板向散热孔1内侧旋转，当挡板向散热孔1内侧旋转到最大角度时，散热孔1的打开空间最大，电磁条将挡板吸附固定住，保持散热孔1的打开状态，进行稳定的散热。当电流感应器检测到电路板无电流通过时，电流感应器将信号传输给中央处理器，中央处理器控制电机反向转动，同时停止向电磁条通电，电磁条的磁性消失，吸附能力消失，转轴带动挡板向散热孔1外侧转动，直至挡板完全封闭散热孔1。
在另一些实施例中，散热系统10还包括温度传感器，温度传感器固定在可折叠移动终端的内部，用于检测可折叠移动终端内部的温度，温度传感器和驱动件分别与可折叠移动终端的中央处理器通信连接，驱动件优选为电机。当温度传感器检测到可折叠移动终端内部的温度高于第一阈值时，中央处理器启动电机，同时，电池向电磁条供电，电机带动转轴转动，转轴带动挡板向散热孔1内侧旋转，当挡板向散热孔1内侧旋转到最大角度时，散热孔1的打开空间最大，电磁条将挡板吸附固定住，保持散热孔1的打开状态，进行稳定的散热。当温度传感器检测到可折叠移动终端内部的温度低于第二阈值时，中央处理器控制电机反向转动，同时停止向电磁条通电，电磁条的磁性消失，吸附能力消失，转轴带动挡板向散热孔1外侧转动，直至挡板完全封闭散热孔1。
本发明实施例提供的散热系统并不仅限于可折叠式移动终端，同样适用于其他需要散热的电子设备，该散热系统具有通用性。
本发明实施例还提供了一种可折叠移动终端的壳体，请参阅图5和图6，图5为本发明提供的处于展开状态的可折叠移动终端的壳体的结构示意图，图6为本发明提供的处于折叠状态的可折叠移动终端的壳体的结构示意图。该可折叠移动终端的壳体包括第一壳体100和第二壳体200，第一壳体100与第一支撑板（图中未示出）固定连接，第二壳体200与第二支撑板（图中未示出）固定连接，第一支撑板和第二支撑板铰接，使得第一壳体和第二壳体可以对折对齐，该可折叠移动终端的壳体还包括上述任一实施例中的散热系统10，多个散热系统10分别固定在第一壳体100和第二壳体200上，优选固定在第一壳体100和第二壳体200的侧面上。如图5所示，第一壳体100的顶面边缘固定有多个密封件20，第二壳体200的顶面边缘设置有多个与密封件20匹配的凹槽30。具体的，第一壳体100和第二壳体200的结构相同，顶面上均设有凹面，凹面周围的三边为凸起边，在可折叠移动终端的壳体处于展开状态时，第一壳体100的凹面和第二壳体200的凹面对齐且处于同一水平面上，第一壳体100的三个凸起边和第二壳体200的三个凸起边围成封闭的形状，包围在第一壳体100凹面和第二壳体200凹面形成的平面周围，柔性面板平铺在第一壳体100凹面和第二壳体200合成的平面上，第一壳体100的凸起边和第二壳体200的凸起边包围柔性面板，第一壳体100的三个凸起边上均固定有密封件20，第二壳体200的三个凸起边上均设置有对应的凹槽30。如图6所示，在可折叠移动终端的壳体处于折叠状态时，第一壳体100上的密封件20嵌入第二壳体200上的凹槽30中，密封件20和凹槽30紧密闭合，使第一壳体100的凸起边和第二壳体200的凸起边之间几乎无缝隙，防止灰尘等异物进入折叠的屏幕中损伤屏幕。密封件20优选为条状密封件，如图7所示，密封件20的底部设有定位杆21，第一壳体100上设有与定位杆21匹配的卡孔22，定位杆21与卡孔22过盈配合，将密封件20牢固地固定在第一壳体100上。密封件20和定位杆21的材质优选为橡胶。
本发明实施例还提供了一种可折叠移动终端，该可折叠移动终端包括上述任一实施例中的可折叠移动终端的壳体或者上述任一实施例中的可折叠移动终端的散热系统。可折叠移动终端可为智能手机、智能手表、智能手环、平板电脑、笔记本电脑或智能穿戴设备（比如智能头盔、智能眼镜）等具有折叠屏的便携式电子产品。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明实质内容上所作的任何修改、等同替换和简单改进等，均应包含在本发明的保护范围之内。
 工业实用性
本发明提供的可折叠移动终端的散热系统，在需要进行散热时，驱动件驱动转轴带动挡板打开散热孔进行散热；在不需要散热时，驱动件驱动转轴带动挡板封闭散热孔，防止灰尘、水分等异物通过散热孔进入到可折叠移动终端内部，避免影响可折叠移动终端的性能、造成故障。在可折叠移动终端处于折叠状态时，其中一个壳体上的密封件嵌入到另一个壳体上的凹槽内部，密封件和凹槽紧密闭合，保持两个壳体之间的密封性，防止灰尘等异物进行到折叠的屏幕之间而损伤屏幕。解决了现有可折叠移动终端存在的异物易进入散热孔影响可折叠移动终端的性能以及折叠状态下异物进入折叠的屏幕之间损伤屏幕的问题。

Claims (11)

  1. 可折叠移动终端的散热系统，其中，该散热系统（10）包括散热孔（1）、挡板和转轴，所述散热孔（1）开设在可折叠移动终端的壳体上，所述散热孔（1）为中心对称且轴对称结构，所述挡板和转轴设置在所述散热孔（1）的内部，所述转轴与所述壳体转动连接，所述转轴垂直于所述散热孔（1）的孔延伸方向，所述转轴与驱动件连接，所述驱动件用于驱动所述转轴在所述散热孔（1）内部旋转，所述挡板与所述转轴固定连接，所述挡板用于打开或封闭所述散热孔（1）。
  2. 根据权利要求1所述的可折叠移动终端的散热系统，其中，所述挡板和转轴的数量均为一个，所述转轴靠近所述散热孔（1）的一侧壁，所述转轴与所述挡板内端面边缘固定连接。
  3. 根据权利要求1所述的可折叠移动终端的散热系统，其中，所述挡板和转轴的数量均为两个，两个挡板对称设置，两个转轴对称设置，两个所述转轴分别靠近所述散热孔（1）两个相对的侧壁，所述转轴分别与所述挡板的内端面边缘固定连接。
  4. 根据权利要求1所述的可折叠移动终端的散热系统，其中，所述散热系统（10）还包括固定件，所述固定件固定在散热孔（1）的壁上，所述固定件用于固定旋转至所述散热孔（1）内侧的挡板。
  5. 根据权利要求1所述的可折叠移动终端的散热系统，其中，所述散热孔（1）的端面呈方形。
  6. 根据权利要求1所述的可折叠移动终端的散热系统，其中，所述散热系统（10）还包括电流感应器，所述电流感应器与可折叠移动终端的电路板电连接，所述电流感应器与可折叠移动终端的中央处理器通信连接，所述中央处理器与所述驱动件通信连接。
  7. 根据权利要求1所述的可折叠移动终端的散热系统，其中，所述散热系统（10）还包括温度传感器，所述温度传感器固定在所述可折叠移动终端的内部，所述温度传感器和驱动件分别与可折叠移动终端的中央处理器通信连接。
  8. 可折叠移动终端的壳体，该可折叠移动终端的壳体包括第一壳体（100）和第二壳体（200），所述第一壳体（100）与第一支撑板固定连接，所述第二壳体（200）与第二支撑板固定连接，所述第一支撑板和第二支撑板铰接，其中，该可折叠移动终端的壳体还包括权利要求1-7中任一权利要求所述的散热系统（10），多个所述散热系统（10）分别固定在所述第一壳体（100）和第二壳体（200）上。
  9. 根据权利要求8所述的可折叠移动终端的壳体，其中，所述第一壳体（100）的顶面边缘固定有多个密封件（20），所述第二壳体（200）的顶面边缘设置有多个与所述密封件（20）匹配的凹槽（30）。
  10. 可折叠移动终端，其中，该可折叠移动终端包括权利要求8所述的可折叠移动终端的壳体，所述可折叠移动终端的壳体包括第一壳体（100）和第二壳体（200），所述第一壳体（100）与第一支撑板固定连接，所述第二壳体（200）与第二支撑板固定连接，所述第一支撑板和第二支撑板铰接，其中，该可折叠移动终端的壳体还包括权利要求1-7中任一权利要求所述的散热系统（10），多个所述散热系统（10）分别固定在所述第一壳体（100）和第二壳体（200）上。
  11. 根据权利要求10所述的可折叠移动终端，其中，所述第一壳体（100）的顶面边缘固定有多个密封件（20），所述第二壳体（200）的顶面边缘设置有多个与所述密封件（20）匹配的凹槽（30）。
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