Mobile terminal and terminal shell thereof

Abstract

The utility model provides a mobile terminal and a terminal shell thereof, the mobile terminal comprises the terminal shell, a projector, a heat dissipation block and an air blower, the terminal shell comprises a frame body and a heat dissipation cavity connected with the frame body, and the heat dissipation cavity is provided with an assembly opening, an air inlet channel and an air outlet channel; the projector is arranged in the terminal shell and located on the outer side of the heat dissipation cavity. The heat dissipation block is connected with the projector, is connected to the assembly opening of the heat dissipation cavity in a sealing and covering manner, and is used for absorbing heat generated when the projector works; and the air blower is arranged in the heat dissipation cavity, is covered by the heat dissipation block and is used for guiding so that external air enters the heat dissipation cavity through the air inlet channel and is exhausted through the air outlet channel. The heat dissipation cavity and the frame body are integrally formed, so that the heat dissipation block and the air blower can be conveniently assembled, and a relatively good heat dissipation effect and a relatively good sealing effect are formed.

Description

Technical Field

[0001] The present invention relates to the field of mobile terminals, and in particular to a mobile terminal with a projection function and a terminal housing thereof. Background Art

[0002] Projection mobile terminals refer to terminals with integrated projection functions. Since micro-projection technology has been developed for several years and is relatively stable and mature, even with the addition of the projection function, the appearance has not changed significantly. The lens is one of the important components of projection mobile terminals.

[0003] The current projection mobile terminals mainly have the following problems: the existing projection mobile terminals have poor heat dissipation performance. The internal structure of the mobile terminal is sealed, which can easily cause the internal components of the mobile terminal to be damaged due to poor heat dissipation, resulting in a shortened life of the projector; the projection distance of the mobile terminal is limited. During the projection process, the projection mobile terminal is prone to change in the originally adjusted focal length due to vibration or accidental collision, but the focus is inconvenient, which brings a very bad experience to the user. When the projection mobile terminal is flooded, it will cause a short circuit in the internal circuit board of the mobile terminal, causing damage to the circuit of the mobile terminal. It is inconvenient to use the mobile terminal in many special situations, such as rainy days or swimming pools; especially in the field of digital communications, there is a high demand for waterproofing of projection mobile terminals, so waterproofing of mobile terminals is particularly important. Summary of the invention

[0004] In view of the above problems, embodiments of the present invention are proposed to provide a mobile terminal and a terminal housing thereof that overcome the above problems or at least partially solve the above problems.

[0005] An embodiment of the present invention provides a mobile terminal, the mobile terminal comprising:

[0006] The terminal housing comprises a frame and a heat dissipation cavity connected to the frame, wherein the heat dissipation cavity has an assembly opening, an air inlet channel, and an air outlet channel;

[0007] A projector is arranged in the terminal housing and located outside the heat dissipation cavity;

[0008] A heat sink, connected to the projector and sealingly connected to the assembly opening of the heat sink, for absorbing the heat generated by the projector when it is working;

[0009] The blower is arranged in the heat dissipation cavity and is covered by the heat dissipation block, and is used for guiding the external air to enter the heat dissipation cavity through the air inlet channel and be discharged through the air outlet channel.

[0010] Preferably, the terminal housing comprises a pair of short frame bodies and a pair of long frame bodies connected to each other;

[0011] The short frame body is provided with the air outlet channel, and the long frame body is provided with the air inlet channel; or

[0012] The short frame body is provided with the air inlet channel, and the long frame body is provided with the air outlet channel.

[0013] Preferably, the frame and the heat dissipation cavity are integrally injection-molded, and the heat dissipation cavity comprises a surrounding wall and a bottom plate connected to each other.

[0014] Preferably, a sealing groove is provided on the top of the heat dissipation cavity for assembling a heat dissipation waterproof ring, and the heat dissipation block is pressed onto the heat dissipation waterproof ring and is fastened to the top of the heat dissipation cavity.

[0015] Preferably, a plurality of locking columns are provided at the periphery of the heat dissipation cavity, and the heat dissipation block is provided with a plurality of locking holes corresponding to the plurality of locking columns.

[0016] Preferably, positioning posts are further provided around the heat dissipation cavity, and the heat dissipation block is further provided with positioning holes corresponding to the positioning posts.

[0017] Preferably, the surrounding wall is further provided with an opening for allowing the wires of the blower to extend out.

[0018] Preferably, the mobile terminal is a mobile phone or a tablet computer.

[0019] An embodiment of the present invention also provides a terminal shell, including a frame and a heat dissipation cavity connected to the frame, the heat dissipation cavity having an assembly opening, an air inlet channel, and an air outlet channel, the interior of the heat dissipation cavity is used to set a blower, and the top of the heat dissipation cavity is used to cover a heat dissipation block.

[0020] Preferably, the terminal housing comprises a pair of short frame bodies and a pair of long frame bodies connected to each other;

[0021] The short frame body is provided with the air outlet channel, and the long frame body is provided with the air inlet channel; or

[0022] The short frame body is provided with the air inlet channel, and the long frame body is provided with the air outlet channel.

[0023] The present application specifically includes the following advantages:

[0024] In the embodiments of the present application, compared with the prior art that "the interior of the mobile terminal is a sealed structure, which easily causes the internal components of the mobile terminal to be damaged due to poor heat dissipation, resulting in a shortened life of the projector; the focusing is inconvenient, which brings a very bad experience to the user; after the projection mobile terminal is flooded, it will cause the internal circuit mainboard of the mobile terminal to short-circuit, causing the circuit of the mobile terminal to be damaged", the present application provides a solution of a focusing component, a waterproof function component, a blower component and a heat dissipation component for projector heat dissipation, specifically: including a terminal body, a projector, a focusing component, a waterproof function component, a blower component and a heat dissipation component for projector heat dissipation; the projector, the blower component and the heat dissipation block component are arranged inside the terminal body; the blower component is arranged below the heat dissipation component, and the heat dissipation component is connected to the projector; the waterproof function component is arranged at a position where the inside of the terminal body is connected to the outside; the focusing component includes a focus handle and a reduction transmission gear; the projector and the reduction transmission gear are arranged inside the terminal body, and the focus handle is arranged on one side of the terminal body. The present invention solves the problem of overheating of the mobile terminal and the projector in the prior art by embedding the heat dissipation module in the mobile terminal so that the heat dissipation module and the mobile terminal are fixed as one body, realizes the integration of the machine and the heat dissipation block, and makes the projector and the mobile terminal have good stability in use and are not easy to overheat. When the projected image or video of the projector is not clear, the focus handle can be turned to control the focal length of the projector. The projector, the reduction transmission gear, the focus handle and the mobile terminal are fixed as one body. The focusing problem of the mobile terminal projector in the prior art is solved, and a mobile terminal projector and focusing integration are realized, so that the mobile terminal projector is convenient, fast and accurate in focusing. The mobile terminal has become an indispensable tool for people's daily use. Since the mobile terminal is an integrated electrical appliance, water in the mobile terminal will cause a short circuit in the internal circuit mainboard of the mobile terminal, causing damage to the circuit of the mobile terminal. In many special cases, it is inconvenient to use the mobile terminal, such as rainy days or swimming pools; especially in the field of digital communications, there is a high demand for waterproofing of the mobile terminal, so the waterproofing treatment of the mobile terminal is particularly important. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the description of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0026] Figure 1 It is an exploded schematic diagram of a projection mobile terminal of the present invention;

[0027] Figure 2 It is an exploded schematic diagram of a focus adjustment component of a projection mobile terminal of the present invention;

[0028] Figure 3 It is a structural schematic diagram of a reduction transmission gear of a projection mobile terminal of the present invention;

[0029] Figure 4 It is a structural schematic diagram of a focus adjustment handle of a projection mobile terminal of the present invention;

[0030] Figure 5 It is a structural schematic diagram of a clamp ring of a projection mobile terminal of the present invention;

[0031] Figure 6 It is a structural schematic diagram of a focusing component of a projection mobile terminal of the present invention;

[0032] Figure 7 It is an exploded schematic diagram of a heat dissipation system of a projection mobile terminal of the present invention;

[0033] Figure 8 It is a structural schematic diagram of a blower assembly of a heat dissipation system of a projection mobile terminal of the present invention;

[0034] Fig. 9 It is a structural schematic diagram of a heat dissipation component of a heat dissipation system of a projection mobile terminal of the present invention;

[0035] Fig.10 It is a structural schematic diagram of a heat dissipation system of a projection mobile terminal of the present invention;

[0036] Fig.11 It is an exploded schematic diagram of a waterproof component of a projection mobile terminal of the present invention;

[0037] Fig.12 It is a structural schematic diagram of a speaker assembly of a projection mobile terminal of the present invention;

[0038] Fig.13 It is a structural schematic diagram of an earphone port component and a connection port component of a projection mobile terminal of the present invention;

[0039] Fig.14 It is a structural schematic diagram of a card tray assembly of a projection mobile terminal of the present invention;

[0040] Fig.15 It is a structural schematic diagram of a knob assembly of a projection mobile terminal of the present invention;

[0041] Fig.16 It is an exploded schematic diagram of a projection mobile terminal of the present invention;

[0042] Fig.17 It is a schematic diagram of wind direction of a projection mobile terminal of the present invention;

[0043] Fig.18 is an exploded schematic diagram of a mobile terminal of the present invention from one viewing angle;

[0044] Fig.19 is an exploded schematic diagram of a mobile terminal of the present invention from another viewing angle;

[0045] 1. Dustproof net; 2. Terminal shell; 3. Shock-absorbing silicone; 4. Blower; 5. Projector lens; 6. Heat dissipation waterproof ring; 7. Heat dissipation block; 8. Screws; 9. Projector; 10. Projection shock-absorbing dust-proof silicone; 11. Speed ​​reduction transmission gear; 12. Power cable; 13. Clamp; 14. Focusing waterproof ring; 15. Toggle focus handle; 16. Terminal mainboard; 17. Terminal back cover; 18. Main waterproof ring; 19. Speaker waterproof ring ; 20. Speaker BOX; 21. Waterproof plug; 22. Type-C; 23. Headphone connector; 24. Waterproof sheet; 25. Function key; 26. Card tray assembly; 201. Short frame; 202. Long frame; 30. Heat dissipation cavity; 31. Assembly opening; 32. Air inlet channel; 33. Air outlet channel; 34. Opening; 35. Wall; 36. Bottom plate; 37. Sealing groove; 38. Locking column; 39. Positioning column. DETAILED DESCRIPTION

[0046] In order to make the objects, features and advantages of the present application more obvious and understandable, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0047] The inventors have found through analysis of the prior art that the current projection mobile terminals mainly have the following problems: the projection distance of the mobile terminal is limited. During the projection process, the projection mobile terminal is prone to change in the originally adjusted focal length due to vibration or accidental collision, but the focus adjustment is inconvenient, which brings a very bad experience to the user. The existing projection mobile terminal has poor heat dissipation performance. The internal structure of the mobile terminal is sealed, which easily causes the internal components of the mobile terminal to be damaged due to poor heat dissipation, resulting in a shortened life of the projector. Mobile terminals have become an indispensable tool for people's daily use. Since the mobile terminal is an integrated electrical appliance, water in the mobile terminal will cause a short circuit in the internal circuit motherboard of the mobile terminal, causing damage to the circuit of the mobile terminal. It is inconvenient to use the mobile terminal in many special situations, such as rainy days or swimming pools; especially in the field of digital communications, there is a high demand for waterproofing of mobile terminals, so waterproofing of mobile terminals is particularly important.

[0048] In the embodiments of the present application, compared with the prior art that "the interior of the mobile terminal is a sealed structure, which easily causes the internal components of the mobile terminal to be damaged due to poor heat dissipation, resulting in a shortened life of the projector 9; the focusing is inconvenient, which brings a very bad experience to the user; after the projection mobile terminal is flooded, it will cause the internal circuit motherboard of the mobile terminal to short-circuit, causing the circuit of the mobile terminal to be damaged", the present application provides a solution of a focusing component, a waterproof function component, a blower 4 component and a heat dissipation component for heat dissipation of the projector 9, specifically: including a terminal body, a projector 9, a focusing component, a waterproof function component, a blower 4 component and a heat dissipation component for heat dissipation of the projector 9; the projector 9, the blower 4 component and the heat dissipation block 7 component are arranged inside the terminal body; the blower 4 component is arranged below the heat dissipation component, and the heat dissipation component is connected to the projector 9; the waterproof function component is arranged at a position where the inside of the terminal body is connected to the outside; the focusing component includes a focus adjustment handle 15 and a reduction transmission gear 11; the projector 9 and the reduction transmission gear 11 are arranged inside the terminal body, and the focus adjustment handle 15 is arranged on one side of the terminal body. The present invention solves the problem of overheating of the mobile terminal and the projector 9 in the prior art by embedding the heat dissipation module in the mobile terminal so that the heat dissipation module and the mobile terminal are fixed as one. The invention realizes the integration of the machine and the heat dissipation block 7, so that the projector 9 and the mobile terminal have good stability in use and are not easy to overheat. When the projected image or video of the projector 9 is not clear, the focus handle 15 can be turned to control the focal length of the projector 9. The projector 9, the reduction transmission gear 11, and the focus handle 15 are fixed as one with the mobile terminal. The focusing problem of the mobile terminal projector 9 in the prior art is solved, and a mobile terminal projector 9 and focusing integration are realized, so that the mobile terminal projector 9 is convenient, fast and accurate in focusing. The mobile terminal has become an indispensable tool for people's daily use. Since the mobile terminal is an integrated electrical appliance, water in the mobile terminal will cause a short circuit in the internal circuit mainboard of the mobile terminal, causing damage to the circuit of the mobile terminal. In many special cases, it is inconvenient to use the mobile terminal, such as rainy days or swimming pools; especially in the field of digital communications, there is a high demand for waterproofing of the mobile terminal, so the waterproofing treatment of the mobile terminal is particularly important.

[0049] It should be noted that the projection mobile terminal is an electronic projection product such as a projection mobile phone or a projection tablet.

[0050] Reference Figure 1-16, shows a schematic diagram of the structure of the projection mobile terminal of the present invention, which may specifically include the following structure: including a terminal body, a projector 9, a focus adjustment handle 15 and a reduction transmission gear 11; the projector 9 and the reduction transmission gear 11 are arranged inside the terminal body, and the focus adjustment handle 15 is arranged on one side of the terminal body; a focus gear is arranged at one end of the focus adjustment handle 15, and a projection gear for focusing is arranged at the bottom of the projector 9, the focus gear is meshed with the reduction transmission gear 11, and the reduction transmission gear 11 is meshed with the projection gear; when the projector 9 is focused, the focus adjustment handle 15 is rotated, the focus gear of the focus adjustment handle 15 drives the reduction transmission gear 11 to rotate, the reduction transmission gear 11 drives the projection gear to rotate, and the projector 9 is focused.

[0051] Next, a projection mobile terminal in this exemplary embodiment will be further described.

[0052] In one embodiment of the present application, a projector 9 and a reduction transmission gear 11 are provided inside the terminal body, and the focus adjustment handle 15 is arranged on one side of the terminal body; the terminal body includes a terminal shell 2 and a terminal back cover 17; the terminal shell 2 and the terminal back cover 17 cooperate to form a space for accommodating the projector 9 and the reduction transmission gear 11.

[0053] In a specific embodiment, a battery is further provided at the bottom of the terminal housing 2, the battery is used to power the entire device, the battery is electrically connected to the projector 9, the projector 9 is provided on the top of the battery, the terminal housing 2 and the terminal back cover 17 have the same overall shape; the terminal back cover 17 and the terminal housing 2 form a projection mobile terminal. A power cable 12 is also provided on one side of the battery, the power cable 12 is used to electrically connect to other components.

[0054] In one embodiment of the present application, a projection gear for focusing is provided at the bottom of the projector 9. The overall volume of the projector 9 is small, so that it can be placed in the terminal housing 2 for easy carrying. The projection gear is meshed with the reduction transmission gear 11, that is, the projection gear is adapted to the reduction transmission gear, so that the projection gear can be driven to rotate when the reduction transmission gear 11 rotates, thereby focusing the projector 9. The projector 9 is connected to the terminal body by screws 8. A plurality of screws 8 are provided to fix the projector 9 at a preset position.

[0055] In one embodiment of the present application, a projector lens 5 is further provided on the top of the projector 9 , and the projector lens 5 is further provided in the direction of the light outlet of the projector 9 , and is provided on the top of the mobile terminal body.

[0056] In one embodiment of the present application, the reduction transmission gear 11 includes a first trapezoidal gear and a second trapezoidal gear; the first trapezoidal gear and the second trapezoidal gear are integrally formed; the lower bottom surface of the first trapezoidal gear is connected to the lower bottom surface of the second trapezoidal gear.

[0057] As an example, the first trapezoidal gear is adapted to the projection gear, and the second trapezoidal gear is adapted to the focusing gear; the area of ​​the upper bottom surface of the first trapezoidal gear is smaller than the area of ​​the lower bottom surface of the first trapezoidal gear, the area of ​​the upper bottom surface of the second trapezoidal gear is smaller than the area of ​​the lower bottom surface of the second trapezoidal gear, and the shape of the lower bottom surface of the first trapezoidal gear is the same as the lower bottom surface of the second trapezoidal gear.

[0058] In one embodiment of the present application, the focus adjustment handle 15 further includes a connecting rod; one end of the connecting rod is connected to the focus gear, and the outer ring of the connecting rod is provided with a thread. The connecting rod and the focus gear are integrally formed, and the focus adjustment handle 15 is in the shape of a screw 8 as a whole, and the focus gear is connected to the connecting rod.

[0059] In one embodiment of the present application, a clamping ring 13 for fixing the focus adjustment handle 15 is further included; the clamping ring 13 is arranged between the focus adjustment handle 15 and the terminal housing 2 .

[0060] As an example, the clamp ring 13 is an open ring, the inner ring of which is adapted to the shape of the focus adjustment handle 15, and the clamp ring 13 fixes the focus adjustment handle 15 on the terminal housing 2. One side of the clamp ring 13 is open.

[0061] In one embodiment of the present application, a focusing waterproof ring 14 is further included; the outer ring of the focus adjustment handle 15 is provided with the focusing waterproof ring 14. The focusing waterproof ring 14 includes a first focusing waterproof ring 14 and a second focusing waterproof ring 14; the first focusing waterproof ring 14 and the second focusing waterproof ring 14 have the same shape. The focusing waterproof ring 14 is a silicone focusing waterproof ring 14.

[0062] In one embodiment of the present application, the projector 9, the blower 4 assembly and the heat sink 7 assembly are provided inside the terminal body; the blower 4 assembly is arranged below the heat sink assembly, and the heat sink assembly is connected to the projector 9; the terminal body includes a terminal shell 2 and a terminal back cover 17; the terminal shell 2 and the terminal back cover 17 cooperate to form a space for accommodating the projector 9, the blower 4 assembly and the heat sink 7 assembly.

[0063] In a specific embodiment, a battery is also provided at the lower part of the terminal shell 2, and the battery is used to power the entire device. The battery is electrically connected to the projector 9, and the projector 9 is provided on the upper part of the battery. The terminal shell 2 and the terminal back cover 17 have the same overall shape; the terminal back cover 17 and the terminal shell 2 form a projection mobile terminal.

[0064] In one embodiment of the present application, the terminal back cover 17 is further provided with a terminal mainboard 16, and the terminal mainboard 16 is electrically connected to the heat dissipation component and the blower 4 component. The terminal mainboard 16 refers to the circuit board inside the mobile terminal, which can also be called a pcb (Printed Circuit Board). The BTB connector is connected to the pcb board to achieve electrical and mechanical connection. The components connected to the mainboard such as the BTB connector, FPC connector, mobile terminal camera, screen, etc. on the terminal mainboard 16 need to be tested. During the test, a high-current shrapnel microneedle module can be selected for high-current transmission and connection, which has high stability and good performance, and is conducive to improving test efficiency.

[0065] As an example, the terminal housing 2 is provided with an air inlet slot at a position corresponding to the air inlet of the blower 4; the terminal housing 2 is provided with an air outlet slot at a position corresponding to the air outlet of the blower 4. The air inlet slot is on the side of the terminal housing 2, and a dustproof net 1 is also installed on the air inlet slot to prevent dust from being introduced while the air is entering, and the heat of the projector 9 is taken away by the air circulation of the blower 4. The air inlet slot is composed of a plurality of slots with equal spacing. The blower 4 is specifically a waterproof centrifugal fan.

[0066] In a specific embodiment, the air outlet slot is arranged on the top of the terminal housing 2, and the air outlet slot is also composed of a plurality of slots with equal spacing. The dustproof net 1 is a mesh with a relatively high density, and the shape of the dustproof net 1 is the same as the shape of the air inlet slot.

[0067] In an embodiment of the present application, the blower 4 assembly includes a shock-absorbing silica gel 3 and a blower 4; the blower 4 is connected to the terminal housing 2 through the shock-absorbing silica gel 3. The shock-absorbing silica gel 3 is in a square box shape, and the shock-absorbing silica gel 3 is adapted to the blower 4.

[0068] As an example, the blower 4 is used to deliver air volume, which can circulate the wind in the terminal shell 2 to take away heat. The outside of the blower 4 is wrapped with the shock-absorbing silicone 3, and the shock-absorbing silicone 3 is provided with multiple openings and is made of silicone material.

[0069] In one embodiment of the present application, the heat dissipation assembly includes a heat dissipation waterproof ring 6 and a heat dissipation block 7; the heat dissipation waterproof ring 6 is arranged around the heat dissipation block 7, and the inner circle shape of the heat dissipation waterproof ring 6 is the same as the outer circle shape of the heat dissipation block 7. The heat dissipation block 7 includes a heat dissipation plate and heat dissipation fins; one side of the heat dissipation plate is connected to the projector 9, and the other side of the heat dissipation plate is connected to the heat dissipation fins. The heat dissipation block 7 is connected to the projector 9 by screws 8. The heat dissipation waterproof ring 6 is made of waterproof material. The heat dissipation block 7 is specifically a heat-conducting copper block radiator.

[0070] In a specific embodiment, the heat dissipation component and the projector 9 are closely connected, so as to dissipate heat for the projector 9 to the maximum extent. The heat is transferred and dissipated through the heat sink and the heat dissipation fins. The area of ​​the heat sink is larger than the side area of ​​the projector 9. The heat dissipation fins are provided on the side of the heat sink away from the projector 9.

[0071] In a specific embodiment, a terminal housing 2 is included, and the upper surface of the terminal housing 2 is fixedly connected to a heat sink 7 by multiple screws. The heat sink 7 is zero-contact with the projector 9 module by screws, and the heat sink 7 conducts away the heat by zero contact when the projector 9 generates heat energy. The heat sink 7 blows away a large amount of heat through the air inlet and outlet of the blower 4, and the blower 4 is fixed with shock-absorbing silica gel 3, and the air inlet of the blower 4 requires a dustproof net 1. The heat sink 7 is waterproof with the terminal housing 2 through a heat dissipation waterproof ring 6. The switch of the projector 9 is controlled by software or PPT keys, and the blower 4 is started at the same time when the projector 9 is started. The heat sink 7 is embedded in the mobile terminal, so that the heat sink 7, the projector 9 and the mobile terminal are fixed as one, which solves the problem of overheating of the mobile terminal when the projector 9 and the terminal mainboard 16 generate heat energy in the prior art, and realizes a mobile terminal and a heat sink 7 integrated, so that the mobile terminal has good stability in use and is not easy to overheat.

[0072] In one embodiment of the present application, the projector 9 and the battery are arranged inside the terminal body; the battery is arranged below the projector 9, and the waterproof function component is arranged at a position where the inside of the terminal body is connected to the outside; the terminal body includes a terminal housing 2 and a terminal back cover 17; a main waterproof ring 18 is arranged between the terminal housing 2 and the back cover; the terminal housing 2 and the terminal back cover 17 cooperate to form a space for accommodating the projector 9 and the battery. A projection shock-absorbing and dust-proof silica gel 10 is arranged on the top of the projector 9 to prevent dust from entering the inside of the projector 9.

[0073] As an example, the terminal shell 2 and the terminal back cover 17 are connected by screws 8, and a main waterproof ring 18 is located between the terminal shell 2 and the terminal back cover 17; the main waterproof ring 18 is inserted into the shell groove of the terminal shell 2 and then the terminal back cover 17 is installed and locked with a number of screws 8 to achieve waterproofing of the terminal shell 2 and the terminal back cover 17.

[0074] In a specific embodiment, the shape of the main waterproof ring 18 is the same as that of the terminal housing 2, so as to effectively prevent external water from entering, and is connected more tightly by screws 8. The main waterproof ring 18 is made of silicone material.

[0075] In one embodiment of the present application, the waterproof function component includes a speaker component, an earphone port component, a connection port component, a button component, a card tray component, and a knob component for adjusting the focal length of the projector 9;

[0076] The speaker assembly is arranged in the terminal body, and the earphone port assembly, the connection port assembly, the button assembly, the card tray assembly and the knob assembly are arranged around the terminal body.

[0077] As an example, the waterproof function component waterproofs the inside and outside of the terminal body in different ways.

[0078] In one embodiment of the present application, the speaker assembly includes a speaker BOX20 and a speaker waterproof ring 19; the speaker BOX20 is arranged below the battery, and the speaker waterproof ring 19 is arranged between the speaker BOX20 and the terminal back cover 17; a speaker groove for accommodating the speaker waterproof ring 19 is provided on one side where the speaker BOX20 is connected to the terminal back cover 17.

[0079] It should be noted that the speaker BOX20 refers to a speaker, which is a closed speaker used to amplify music or sound so that it can be better played to the audience. It usually consists of one or more drivers (such as subwoofers, midrange cannons and tweeters), as well as one or more diaphragms, and one or more diaphragm brackets. They can be used to play music, and can also be used to play voice, such as speeches, reports, etc.

[0080] In a specific embodiment, the speaker BOX20 is provided with a speaker groove, and the speaker groove has the same shape as the speaker waterproof ring 19; the speaker waterproof ring 19 is located between the speaker BOX20 and the terminal back cover 17; the speaker waterproof ring 19 is installed in the speaker BOX20 groove and then installed in the terminal housing 2. Then, the terminal back cover 17 is closed and several screws are locked to make the terminal back cover 17 and the speaker BOX20 waterproof.

[0081] In one embodiment of the present application, the earphone port assembly includes an earphone connector and an earphone waterproof silicone disposed at a connection position between the earphone connector and the terminal housing 2; the shape of the earphone waterproof silicone matches the earphone connector. The connector assembly includes a type 22-c and a waterproof plug 21 for waterproofing the earphone connector and the type 22-c; the waterproof plug 21 is disposed on a side of the type 22-c and the earphone connector away from the terminal body.

[0082] In a specific embodiment, through the waterproof cooperation of the terminal shell 2 and type22-c, the headphone connector, and the waterproof plug 21, the headphone waterproof silicone assembly on the type22-c and the headphone connector body is snapped into the terminal shell 2 for waterproofing, and then the waterproof plug 21 is added to the type22-c and the headphone port to form secondary waterproofing.

[0083] In one embodiment of the present application, the button assembly includes function keys and waterproof sheets; the waterproof sheet is arranged between the function keys and the terminal body, and the number of the function keys is the same as the number of the waterproof sheets.

[0084] As an example, the function key includes a first function key and a second function key, the first function key is arranged adjacent to the second function key, the waterproof sheet is a waterproof and breathable membrane, the waterproof sheet also includes a first waterproof sheet and a second waterproof sheet, the first waterproof sheet matches the first function key, and the second waterproof sheet matches the second function key.

[0085] In one embodiment of the present application, the card tray assembly includes a SIM card tray and a liquid silicone waterproof ring; the liquid silicone waterproof ring is arranged on the surface of the SIM card tray, and the liquid silicone waterproof ring is interference fit with the terminal housing 2.

[0086] In a specific embodiment, the waterproofing of the SIM card tray and the terminal shell 2 is included. The SIM card tray is covered with a liquid silicone waterproof ring by in-mold injection of liquid silicone. When the SIM card tray is installed into the terminal shell 2, the liquid silicone waterproof ring on the SIM card tray interferes with the terminal shell 2 to extrude the waterproofing. The SIM card tray and the liquid silicone waterproof ring are integrally formed.

[0087] It should be noted that the SIM card tray is used to install the SIM card, which is the abbreviation of Subscriber Identity Module, also known as user identification card, smart card, and GSM digital mobile phones must be equipped with this card before they can be used. The computer chip stores the information of digital mobile phone customers, encryption keys, and the user's phone book, etc., which can be used to identify the GSM network customer identity and encrypt the voice information of customers during calls.

[0088] In one embodiment of the present application, the knob assembly includes a focus adjustment handle 15 and a focus waterproof ring 14 disposed at the bottom of the focus adjustment handle 15; at least one focus waterproof ring 14 is provided. The focus adjustment handle 15 also includes a connecting rod; one end of the connecting rod is connected to the focus gear, and the outer ring of the connecting rod is provided with a thread. It also includes a snap ring 13 for fixing the focus adjustment handle 15; the snap ring 13 is disposed between the focus adjustment handle 15 and the terminal housing 2.

[0089] In a specific embodiment, waterproofing is formed with the terminal housing 2 by toggling the focusing handle 15, a knob waterproof ring is installed on the focusing handle 15, and the knob waterproof ring is inserted into the hole of the terminal housing 2. A metal clamp 13 is used inside the hole to fix the focusing handle 15 into the terminal housing 2. The focusing handle 15 is squeezed waterproof by the installed knob waterproof ring and the terminal housing 2.

[0090] In a specific embodiment, the terminal housing 2, waterproof sheet, function keys, SIM card tray, snap ring 13, knob silicone ring, focus adjustment handle 15, waterproof plug 21, type22-c, earphones, speaker BOX20, speaker waterproof ring 19, main waterproof ring 18, terminal back cover 17 and screws cooperate to make the mobile terminal waterproof.

[0091] In a specific embodiment, a battery is also provided at the lower part of the terminal shell 2, and the battery is used to power the entire device. The battery is electrically connected to the projector 9, and the projector 9 is provided on the upper part of the battery. The terminal shell 2 and the terminal back cover 17 have the same overall shape; the terminal back cover 17 and the terminal shell 2 form a projection mobile terminal.

[0092] In one embodiment of the present application, the terminal back cover 17 is also provided with a terminal mainboard 16, and the terminal mainboard 16 is electrically connected to the heat dissipation component and the blower 4 component. The terminal mainboard 16 refers to the circuit board inside the mobile terminal, which can also be called a pcb (Printed Circuit Board). The BTB connector is connected to the pcb board to achieve electrical and mechanical connection. The components connected to the mainboard such as the BTB connector, FPC connector, camera, screen, etc. on the terminal mainboard 16 need to be tested. During the test, a high-current shrapnel microneedle module can be selected for high-current transmission and connection, which has high stability and good performance, and is conducive to improving test efficiency.

[0093] In a specific embodiment, a terminal housing 2 is included, and the outer edge of the upper surface of the terminal housing 2 is fixedly connected to the projector 9 by multiple screws. The projector 9 drives the reduction transmission gear 11 by rotating the focus adjustment handle 15 and then links the projector 9 with its own gear for manual focus adjustment. The focus adjustment handle 15 is connected to the terminal housing 2 through a clamp 13. The focus adjustment handle 15 is waterproofed with the terminal housing 2 through a handle waterproof ring, and the reduction transmission gear 11 is fixed to the terminal housing 2 by screws. The signal input of the projector 9 is connected to the terminal mainboard 16 in the terminal housing 2 through the FPC line on the right side of the projector 9 by a board-to-board connection seat. The power supply of the projector 9 is connected to the terminal mainboard 16 in the terminal housing 2 by a wire-to-board connection seat through the power cable 12 on the lower side of the projector 9. The projector 9 mentioned above adds a heat-conducting copper block radiator, which adds a waterproof centrifugal fan to accelerate heat dissipation. The waterproof centrifugal fan is connected to the terminal mainboard 16 through a board-to-board connector via a built-in FPC line. The air inlet of the waterproof centrifugal fan adds a dustproof net 1 and a shock-absorbing silicone 3. The main waterproof ring 18 used together with the heat-conducting copper block radiator and the waterproof centrifugal fan is connected to the terminal housing 2 through screws and glue and pressed for waterproofing. The projector 9 mentioned above adds a shock-absorbing and dust-proof silicone for the projector 9. The cooperation among dust-proof net 1, terminal shell 2, shock-absorbing silicone 3, blower 4, projector 9 lens 5, heat dissipation waterproof ring 6, heat dissipation block 7, screws, projector 9, projection shock-absorbing dust-proof silicone 10, reduction transmission gear 11, power cable 12, clamping ring 13, focusing waterproof ring 14, focus adjustment handle 15, terminal mainboard 16 and terminal back cover 17, control the switch of projector 9 through software or PPT key, embed the projector 9 in the mobile terminal, and fix the projector 9 and the mobile terminal as one, solves the problems of easy falling and loss of projector 9 caused by separation of projector 9 and mobile terminal in the prior art, and cumbersome installation and maintenance process, and realizes a mobile terminal projector 9 in which mobile terminal and projector 9 are integrated, so that it has good stability, is not easy to damage and is easy to use.

[0094] The purpose of the present application is to provide a mobile terminal projector 9, which includes a terminal housing 2 and a projector 9. The projector 9 is embedded in the mobile terminal and fixed as a whole with the mobile terminal. The present invention embeds the projector 9 in the mobile terminal so that the projector 9 and the mobile terminal are fixed as a whole, thereby solving the problems of the projector 9 being easy to fall due to the separation of the projector 9 from the mobile terminal in the prior art and the cumbersome installation and maintenance process, and realizes a mobile terminal projector 9 in which the mobile terminal and the projector 9 are integrated, so that the mobile terminal and the projector 9 are stable, not easy to damage and easy to use.

[0095] In a specific embodiment, Fig.17 It is a principle diagram, in which the solid arrows indicate the direction of the heat source, the right side of the hollow arrow indicates the entry of cold air, and the hot air is discharged from the top air outlet, and the blower 4 is a centrifugal fan.

[0096] like Fig.18 , Fig.19 As shown, the embodiment of the present application also provides a mobile terminal, which includes a terminal housing 2, a projector 9, a heat sink 7, and a blower 4. The mobile terminal can be a mobile phone (for example, a relatively large three-proof mobile phone) or a tablet computer. The mobile terminal also includes other conventional functional components such as a battery and a main control circuit board, which are not related to the invention point and are not described here.

[0097] Among them, the terminal shell 2 includes a frame and a heat dissipation cavity 30 connected to the frame, the heat dissipation cavity 30 has an assembly opening 31, an air inlet channel 32, and an air outlet channel 33. The projector 9 is arranged in the terminal shell 2 and is located on the outside of the heat dissipation cavity 30. The heat dissipation block 7 is connected to the projector 9 and is sealed at the assembly opening 31 of the heat dissipation cavity 30. The heat dissipation block 7 is used to absorb the heat generated by the projector 9 when working. The blower 4 is arranged in the heat dissipation cavity 30 and is covered by the heat dissipation block 7. The blower 4 is used to allow external air to enter the heat dissipation cavity 30 through the air inlet channel 32 and be discharged through the air outlet channel 33.

[0098] Specifically, the terminal housing 2 may include a pair of short frame bodies 201 and a pair of long frame bodies 202 connected to each other.

[0099] In the embodiment of the present application, the short frame body 201 is provided with an air outlet channel 33 , and the long frame body 202 is provided with an air inlet channel 32 .

[0100] In other embodiments, the short frame body 201 may be provided with an air inlet channel 32 , and the long frame body 202 may be provided with an air outlet channel 33 .

[0101] The frame and the heat dissipation cavity 30 are integrally injection molded. The heat dissipation cavity 30 includes a connected surrounding wall 35 and a bottom plate 36. The assembly opening 31 is opposite to the bottom plate 36, and their positions can be swapped. The specific positions of the air inlet channel 32 and the air outlet channel 33 can also be adjusted. For example, the air inlet channel 32 and / or the air outlet channel 33 can also be opened on the bottom plate 36.

[0102] The top of the heat dissipation cavity 30 is provided with a sealing groove 37 for assembling the heat dissipation waterproof ring 6 (refer to Figure 1 , Figure 7 , Fig. 9 , Fig.16 As shown in FIG. 1 , the heat sink block 7 is pressed onto the heat sink waterproof ring 6 and is fastened to the top of the heat sink cavity 30 .

[0103] A plurality of locking posts 38 are disposed around the heat dissipation cavity 30 , and a plurality of locking holes corresponding to the plurality of locking posts 38 are disposed on the heat dissipation block 7 .

[0104] Positioning posts 39 are also provided around the heat dissipation cavity 30 , and positioning holes corresponding to the positioning posts 39 are also provided on the heat dissipation block 7 to facilitate quick fool-proof assembly.

[0105] The surrounding wall 35 is further provided with an opening 34 for allowing the self-contained wire of the blower 4 to extend out. The self-contained wire can be electrically connected to the main control circuit board to start when heat dissipation is required. The self-contained wire is equipped with a sealing structure. The surrounding wall 35 divides the terminal housing 2 into a heat dissipation cavity 30 and a main cavity. The main cavity is roughly L-shaped as shown in the figure, which is through from top to bottom. Of course, between the terminal housing 2 and the main rib plate ( Fig.19 After insert molding (not shown), a metal substrate is formed in the terminal housing 2, and the bottom plate 36 can be fitted with multiple holes on the main rib plate, for example Fig.19 As shown in , the back of the bottom plate 36 shows a plurality of convex structures embedded in a plurality of holes on the main rib plate. Of course, the main rib plate can also be L-shaped to avoid the area corresponding to the bottom plate 36 of the heat dissipation cavity 30.

[0106] The inner surface of the heat sink 7 is further provided with heat sink fins 71 , which can be connected to the heat sink 7 by laser welding. The heat sink fins 71 are arranged close to the air outlet channel 33 , and the blower 4 is arranged close to the air inlet channel 32 .

[0107] Please continue reading Fig.18 and Fig.19 The embodiment of the present application also provides a terminal shell 2, which includes a frame and a heat dissipation cavity 30 connected to the frame, the heat dissipation cavity 30 has an assembly opening 31, an air inlet channel 32, and an air outlet channel 33, the interior of the heat dissipation cavity 30 is used to set a blower 4, and the top of the heat dissipation cavity 30 is used to cover the heat dissipation block 7, wherein the blower 4 can be fixed on the inner surface of the heat dissipation block 7 and arranged close to the air inlet channel 32, and the inner surface of the heat dissipation block 7 can be further provided with heat dissipation fins 71 and the heat dissipation fins 71 are arranged close to the air outlet channel 33.

[0108] The terminal housing 2 may include a pair of short frame bodies 201 and a pair of long frame bodies 202 connected to each other.

[0109] In the embodiment of the present application, the short frame body 201 is provided with an air outlet channel 33, and the long frame body 202 is provided with an air inlet channel 32. In other embodiments, the short frame body 201 may be provided with an air inlet channel 32, and the long frame body 202 may be provided with an air outlet channel 33.

[0110] The frame and the heat dissipation cavity 30 are integrally formed by injection molding, and the heat dissipation cavity 30 includes a surrounding wall 35 and a bottom plate 36 connected to each other.

[0111] The mobile terminal and its terminal shell 2 provided in the embodiment of the present application are easy to manufacture, have a stable structure, are easy to assemble, and can form a good seal because a heat dissipation cavity 30 integrally formed with the frame is provided in the frame. During assembly, after the heat dissipation waterproof ring 6 is embedded in the sealing groove 37, the heat dissipation block 7 fixedly connected to the projector 9 is covered with screws to the heat dissipation cavity 30. The inner surface of the heat dissipation block 7 is modularly connected with a blower 4 and a heat dissipation fin 71. The blower 4 is close to the air inlet channel 32, and the heat dissipation fin 71 is close to the air outlet channel 33. The air inlet channel 32 can be provided with a dustproof net, and the air outlet channel 33 can be provided with a grid. After the heat dissipation block 7 and the heat dissipation cavity 30 are covered, a good independent cavity is formed. Even if liquid enters the cavity through the air inlet channel 32 or the air outlet channel 33, it has no effect.

Claims

1. A mobile terminal, characterized in that: The mobile terminal comprises: A terminal housing (2) comprises a frame and a heat dissipation cavity (30) connected to the frame, wherein the heat dissipation cavity (30) has an assembly opening (31), an air inlet channel (32), and an air outlet channel (33); A projector (9) is arranged in the terminal housing (2) and is located outside the heat dissipation cavity (30); A heat dissipation block (7), connected to the projector (9) and sealed to the assembly opening (31) of the heat dissipation cavity (30), for absorbing heat generated by the projector (9) when it is working; The blower (4) is arranged in the heat dissipation cavity (30) and is covered by the heat dissipation block (7), and is used to allow external air to enter the heat dissipation cavity (30) through the air inlet channel (32) and be discharged through the air outlet channel (33).

2. The mobile terminal according to claim 1, characterized in that: The terminal housing (2) comprises a pair of short frame bodies (201) and a pair of long frame bodies (202) connected to each other; The short frame body (201) is provided with the air outlet channel (33), and the long frame body (202) is provided with the air inlet channel (32); or The short frame body (201) is provided with the air inlet channel (32), and the long frame body (202) is provided with the air outlet channel (33).

3. The mobile terminal according to claim 1, characterized in that: The frame and the heat dissipation cavity (30) are integrally injection-molded, and the heat dissipation cavity (30) comprises a surrounding wall (35) and a bottom plate (36) that are connected.

4. The mobile terminal according to claim 1, characterized in that: The top of the heat dissipation cavity (30) is provided with a sealing groove (37) for assembling a heat dissipation waterproof ring (6), and the heat dissipation block (7) is pressed onto the heat dissipation waterproof ring and is fastened to the top of the heat dissipation cavity (30).

5. The mobile terminal according to claim 1, characterized in that: A plurality of locking columns (38) are provided on the periphery of the heat dissipation cavity (30), and a plurality of locking holes corresponding to the plurality of locking columns (38) are provided on the heat dissipation block (7).

6. The mobile terminal according to claim 1, characterized in that: Positioning columns (39) are also provided around the heat dissipation cavity (30), and the heat dissipation block (7) is also provided with positioning holes corresponding to the positioning columns (39).

7. The mobile terminal according to claim 3, characterized in that: The surrounding wall (35) is further provided with an opening (34) for allowing the wires of the blower (4) to extend out.

8. The mobile terminal according to claim 1, characterized in that: The mobile terminal is a mobile phone or a tablet computer. The inner surface of the heat sink (7) is also provided with heat sink fins (71). The heat sink fins (71) are arranged close to the air outlet channel (33). The blower (4) is arranged close to the air inlet channel (32).

9. A terminal housing (2), characterized in that: The invention comprises a frame and a heat dissipation cavity (30) connected to the frame, wherein the heat dissipation cavity (30) has an assembly opening (31), an air inlet channel (32), and an air outlet channel (33), the interior of the heat dissipation cavity (30) is used to arrange a blower (4), and the top of the heat dissipation cavity (30) is used to cover a heat dissipation block (7).

10. The terminal housing (2) according to claim 9, characterized in that: The terminal housing (2) comprises a pair of short frame bodies (201) and a pair of long frame bodies (202) connected to each other; The short frame body (201) is provided with the air outlet channel (33), and the long frame body (202) is provided with the air inlet channel (32); or The short frame body (201) is provided with the air inlet channel (32), and the long frame body (202) is provided with the air outlet channel (33); The frame and the heat dissipation cavity (30) are integrally injection-molded, and the heat dissipation cavity (30) comprises a surrounding wall (35) and a bottom plate (36) that are connected.

Images