Mobile power supply with projection function
By setting heat dissipation parts above the projection device of the mobile power supply, the problem that the projection module heat may cause the battery to overheat is solved, and better heat dissipation effect and safety are achieved.
Patent Information
- Application Number
- CN202422167503.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-04
AI Technical Summary
During use, the existing mobile power supply with projection function may reach the battery assembly due to the heat generated by the projection module, causing the battery to overheat and create safety hazards.
A mobile power supply with a projection function is designed, and the projection device is located above the battery assembly, and a first heat dissipation member is provided on the inner cavity side for dissipating heat to the projection device. Heat flows horizontally through the first heat dissipation member to the side of the power supply body and is discharged to the outside world through the air outlet hole to prevent heat from flowing downward to the battery assembly.
It effectively prevents battery components from overheating, improves the security of mobile power supply, and improves the heat dissipation effect.
Smart Images

Figure CN223024152U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mobile power supplies, and particularly relates to a mobile power supply with a projection function. Background Art
[0002] A mobile power supply is a portable charger that can be carried by an individual, stores electrical energy by itself, and mainly charges consumer electronic products such as handheld mobile devices, especially applied in occasions without external power supply; some existing mobile power supplies have a projection function. For example, the Chinese patent document number CN219181222U discloses an outdoor power supply on June 13, 2023, which includes an outdoor power supply main body, a projection module, and a function expansion module. The projection module is installed on the outdoor power supply main body, and the outdoor power supply main body can supply power to the projection module to make the projection module work; the function expansion module is detachably installed on the outdoor power supply main body to electrically connect the function expansion module with the outdoor power supply main body; the projection module has a light source (such as a COB light source, etc.). When the light source works, it will emit a large amount of heat, and the heat may reach the battery inside the mobile power supply, making the battery prone to overheating, which is likely to cause danger.
[0003] Therefore, it is necessary to make further improvements. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a mobile power supply with a projection function that has a simple structure, multiple functions, good heat dissipation effect, safety and reliability, and strong practicability, so as to overcome the deficiencies of the prior art.
[0005] A mobile power supply with a projection function designed according to this purpose includes a power supply main body and a battery assembly, and is characterized in that: it further includes a projection device. The projection device and the battery assembly are arranged on the inner cavity of the power supply main body, and the projection device is located above the battery assembly. A first heat dissipation component for dissipating heat from the projection device is arranged on one side of the inner cavity, and the first heat dissipation component is located above the battery assembly and faces the projection device directly.
[0006] The projection device includes a housing and a light source component arranged inside the housing. A heat sink for dissipating heat from the light source component is arranged on one side of the light source component. A heat dissipation hole is arranged on one side of the housing corresponding to the position of the heat sink. One side of the heat dissipation hole faces one side of the heat sink, and the other side of the heat dissipation hole faces the air inlet end of the first heat dissipation component.
[0007] A second heat dissipation component is arranged inside the housing, and the air outlet of the second heat dissipation component faces the other side of the heat sink.
[0008] An air outlet hole communicating with the outside is arranged on one side of the power supply main body, and the air outlet end of the first heat dissipation component faces the air outlet hole.
[0009] The projection device further includes a lens, a reflecting lens, and a lens assembly. The light-emitting part of the light source component faces the lens directly. The reflecting lens is arranged between the lens and the lens assembly, and the reflecting lens obliquely faces the lens and the lens assembly respectively.
[0010] The lens assembly includes a lens, a mounting seat, an adjusting cover, and an adjusting ring. The lens is movably arranged back and forth on the mounting seat. The mounting seat is fixed inside the housing. The adjusting cover and the adjusting ring are connected to each other. The adjusting cover is located outside the housing. The adjusting ring is rotatably arranged on the housing. A linkage part is arranged between the adjusting ring and the lens. When the adjusting ring rotates, the lens is driven to rotate through the linkage part. When the lens rotates, it moves back and forth on the mounting seat to adjust the front and back positions of the lens.
[0011] The linkage part includes a movable groove arranged on the adjusting ring and a bump arranged on the lens. When the adjusting ring rotates, the lens is driven to rotate through the cooperation of the movable groove and the bump. When the lens moves back and forth on the mounting seat, the bump moves back and forth on the movable groove. A threaded engagement part is arranged between the lens and the mounting seat. When the lens rotates, it moves back and forth on the mounting seat through the threaded engagement part.
[0012] One end of the movable groove is provided with a first limiting surface, and the mounting seat is provided with a second limiting surface. The second limiting surface is located at the other end of the movable groove. When the bump moves back and forth on the movable groove, it is respectively limited by the first limiting surface and the second limiting surface, so that the lens is limited to move back and forth on the mounting seat.
[0013] A handle is provided on the top of the power supply main body, and a light-emitting component is provided on the other side of the power supply main body. The light-emitting component is located on one side of the handle.
[0014] A control board is arranged on the inner cavity. The control board is located below the projection device. The battery assembly is electrically connected to the control board. The control board is respectively electrically connected to the first heat dissipation component, the second heat dissipation component, the light source component, and the light-emitting component.
[0015] In the present utility model, by arranging the projection device above the battery assembly, and arranging a first heat dissipation component for dissipating heat from the projection device on one side of the inner cavity. The first heat dissipation component is located above the battery assembly and faces the projection device directly. Under the action of the first heat dissipation component, the heat flows horizontally to the side part of the power supply main body, and then is discharged to the outside through the air outlet holes, so that the heat generated by the projection device basically does not flow downward to the battery assembly, preventing the battery assembly from overheating and causing danger, and greatly improving the safety of using the mobile power supply. Description of the Drawings
[0016] Figure 1 It is a schematic diagram of the overall structure of the mobile power supply in an embodiment of the present utility model.
[0017] Figure 2 It is a schematic diagram of the overall structure of the mobile power supply in another orientation in an embodiment of the present utility model.
[0018] Figure 3 This is a partial structural exploded view of a mobile power supply in an embodiment of the present utility model.
[0019] Figure 4 This is an overall structural schematic diagram of a projection device in an embodiment of the present utility model.
[0020] Figure 5 This is a cross-sectional view of a mobile power supply in an embodiment of the present utility model.
[0021] Figure 6 It is Figure 5 an enlarged structural schematic diagram of part A in
[0022] Figure 7 This is an internal structural schematic diagram of a mobile power supply in an embodiment of the present utility model.
[0023] Figure 8 This is an exploded structural schematic diagram of a lens assembly in an embodiment of the present utility model.
[0024] Figure 9 This is an overall structural schematic diagram of a light source component and a heat sink in an embodiment of the present utility model.
[0025] Figure 10 This is a cross-sectional view of a mobile power supply from another direction in an embodiment of the present utility model. Detailed implementation manners
[0026] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0027] Refer to Figures 1-10 , this mobile power supply with a projection function includes a power supply main body 1, a battery assembly 2, and a projection device 3. The projection device 3 and the battery assembly 2 are arranged on the inner cavity 4 of the power supply main body 1, and the projection device 3 is located above the battery assembly 2. A first heat dissipation component 5 for dissipating heat from the projection device 3 is arranged on one side of the inner cavity 4. The first heat dissipation component 5 is a cooling fan, and the first heat dissipation component 5 is located above the battery assembly 2 and faces the projection device 3 directly.
[0028] The projection device 3 includes a housing 6 and a light source component 7 arranged inside the housing 6. A heat sink 8 for dissipating heat from the light source component 7 is arranged on one side of the light source component 7. A heat dissipation hole 9 is arranged on one side of the housing 6 corresponding to the position of the heat sink 8. One side of the heat dissipation hole 9 faces one side of the heat sink 8, and the other side of the heat dissipation hole 9 faces the air inlet end of the first heat dissipation component 5; the housing 6 can separate the light source component 7 and the battery assembly 2, so that the heat generated by the light source component 7 will not flow downward to the battery assembly 2.
[0029] A second heat dissipation component 10 is provided inside the housing 6. The air outlet 11 of the second heat dissipation component 10 faces the other side of the heat sink 8. The second heat dissipation component 10 is a cooling fan.
[0030] An air outlet hole 12 communicating with the outside is provided on one side of the power supply body 1. The air outlet end of the first heat dissipation component 5 faces the air outlet hole 12. The heat generated by the light source component 7 is transferred to the heat sink 8. The second heat dissipation component 10 blows the heat of the heat sink 8 through the heat dissipation holes 9, and then the heat flows to the first heat dissipation component 5. The first heat dissipation component 5 discharges the heat to the outside through the air outlet hole 12.
[0031] The projection device 3 further includes a lens 13, a reflecting mirror 14 and a lens assembly. The light emitting part of the light source component 7 faces the lens 13. The reflecting mirror 14 is arranged between the lens 13 and the lens assembly. The reflecting mirror 14 is obliquely opposite to the lens 13 and the lens assembly respectively. The light source component 7 is a COB light source. The light emitted by the light source component 7 reaches the reflecting mirror 14 through the lens 13, and then the reflecting mirror 14 reflects the light to the lens assembly, and finally the light is emitted to the display component through the lens assembly.
[0032] A light transmissive lens 27 is also provided between the lens 13 and the reflecting mirror 14.
[0033] The lens assembly includes a lens 15, a mounting seat 16, an adjusting cover 17 and an adjusting ring 18. The lens 15 is movably arranged back and forth on the mounting seat 16. The mounting seat 16 is fixed inside the housing 6. The adjusting cover 17 and the adjusting ring 18 are connected to each other. The adjusting cover 17 is located outside the housing 6. The adjusting ring 18 is rotatably arranged on the rotation hole of the housing 6. When the adjusting cover 17 is rotated by hand, the adjusting cover 17 drives the adjusting ring 18 to rotate on the housing 6. A linkage part is provided between the adjusting ring 18 and the lens 15. When the adjusting ring 18 rotates, the lens 15 is driven to rotate through the linkage part. When the lens 15 rotates, it moves back and forth on the mounting seat 16 to adjust the front and back positions of the lens 15, thereby adjusting the focal length of the projection device 3.
[0034] The linkage part includes a movable groove 19 annularly arranged on the adjusting ring 18 and a bump 20 annularly arranged on the lens 15. When the adjusting ring 18 rotates, the lens 15 is driven to rotate through the cooperation of the movable groove 19 and the bump 20. When the lens 15 moves back and forth on the mounting seat 16, the bump 20 moves back and forth on the movable groove 19. A threaded engagement part 26 is provided between the lens 15 and the mounting seat 16. When the lens 15 rotates, it moves back and forth on the mounting seat 16 through the threaded engagement part 26. The threaded engagement part 26 includes an external thread provided on the lens 15 and an internal thread provided on the mounting seat 16. The external thread and the internal thread cooperate with each other.
[0035] A first limiting surface 21 is provided at the front end of the movable slot 19, and a second limiting surface 22 is provided on the mounting seat 16. The second limiting surface 22 is located at the rear end of the movable slot 19. When the bump 20 moves forward and backward on the movable slot 19, it is respectively limited on the first limiting surface 21 and the second limiting surface 22, so that the lens 15 is limited to move forward and backward on the mounting seat 16, preventing the lens 15 from disengaging from the mounting seat 16.
[0036] A handle 23 is provided at the top of the power supply body 1, and a light-emitting component 24 is provided on the other side of the power supply body 1. The light-emitting component 24 is located on one side of the handle 23; the light-emitting component 24 includes an LED lamp board 28 and a cover body 29 covering the outside of the LED lamp board 28. Translucent holes 30 are respectively provided on both sides of the cover body 29, and the light emitted by the LED lamp board 28 is emitted through the translucent holes 30; users can lift the mobile power supply through the handle 23, thereby carrying the mobile power supply. When carrying, the road conditions can be illuminated through the light-emitting component 24.
[0037] A control board 25 is provided on the inner cavity 4. The control board 25 is located below the projection device 3, so that the heat generated by the projection device 3 basically does not flow downward to the control board 25. The battery assembly 2 is electrically connected to the control board 25. The control board 25 is respectively electrically connected to the first heat dissipation component 5, the second heat dissipation component 10, the light source component 7 and the light-emitting component 24. The battery assembly 2 includes multiple batteries, and the battery assembly 2 can supply power to the first heat dissipation component 5, the second heat dissipation component 10, the light source component 7 and the light-emitting component 24.
[0038] A USB interface 31 and a charging interface 32 are provided on the power supply body 1. The USB interface 31 is used for the projection device 3 to connect to a mobile phone or the like for projection, and the charging interface 32 is used for the mobile power supply to connect to the mains for charging.
[0039] The above is the preferred solution of the present invention, which shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
Claims
1. A mobile power source with a projection function, comprising a power source body (1) and a battery assembly (2), characterized in that: The power supply further comprises a projection device (3), wherein the projection device (3) and the battery assembly (2) are arranged on the inner cavity (4) of the power supply body (1), and the projection device (3) is located above the battery assembly (2); a first heat dissipation component (5) for dissipating heat from the projection device (3) is arranged on one side of the inner cavity (4); and the first heat dissipation component (5) is located above the battery assembly (2) and directly facing the projection device (3).
2. The mobile power source with projection function according to claim 1, characterized in that: The projection device (3) comprises a housing (6) and a light source component (7) arranged in the housing (6); a heat sink (8) for dissipating heat from the light source component (7) is arranged on one side of the light source component (7); a heat dissipation hole (9) is arranged on one side of the housing (6) at a position corresponding to the heat dissipation fin (8); one side of the heat dissipation hole (9) faces one side of the heat dissipation fin (8); and the other side of the heat dissipation hole (9) faces an air inlet end of the first heat dissipation component (5).
3. The mobile power source with projection function according to claim 2, characterized in that: A second heat dissipation component (10) is arranged in the housing (6), and an air outlet (11) of the second heat dissipation component (10) faces the other side of the heat sink (8).
4. The mobile power source with projection function according to claim 3, characterized in that: An air outlet (12) communicating with the outside is provided on one side of the power source body (1), and an air outlet end of the first heat dissipation component (5) faces the air outlet (12).
5. The mobile power source with projection function according to claim 2, characterized in that: The projection device (3) further comprises a lens (13), a reflective lens (14) and a lens assembly, wherein the light-emitting portion of the light source component (7) faces the lens (13), the reflective lens (14) is arranged between the lens (13) and the lens assembly, and the reflective lens (14) faces obliquely the lens (13) and the lens assembly respectively.
6. The mobile power source with projection function according to claim 5, characterized in that: The lens assembly comprises a lens (15), a mounting seat (16), an adjustment cover (17) and an adjustment ring (18); the lens (15) is movably arranged on the mounting seat (16) in the front and rear direction; the mounting seat (16) is fixed in the housing (6); the adjustment cover (17) and the adjustment ring (18) are connected to each other; the adjustment cover (17) is located outside the housing (6); the adjustment ring (18) is rotatably arranged on the housing (6); a linkage portion is arranged between the adjustment ring (18) and the lens (15); when the adjustment ring (18) rotates, the lens (15) is driven to rotate through the linkage portion; when the lens (15) rotates, it moves forward and backward on the mounting seat (16) to adjust the front and rear position of the lens (15).
7. The mobile power source with projection function according to claim 6, characterized in that: The linkage portion comprises a movable groove (19) arranged on the adjustment ring (18) and a convex point (20) arranged on the lens (15); when the adjustment ring (18) rotates, the lens (15) is driven to rotate through the cooperation of the movable groove (19) and the convex point (20); when the lens (15) moves forward and backward on the mounting seat (16), the convex point (20) moves forward and backward on the movable groove (19); a threaded fitting portion (26) is arranged between the lens (15) and the mounting seat (16); when the lens (15) rotates, the lens (15) moves forward and backward on the mounting seat (16) through the threaded fitting portion (26).
8. The mobile power source with projection function according to claim 7, characterized in that: A first limiting surface (21) is provided at one end of the movable groove (19), a second limiting surface (22) is provided on the mounting seat (16), and the second limiting surface (22) is located at the other end of the movable groove (19). When the protrusion (20) moves forward and backward on the movable groove (19), it is limited on the first limiting surface (21) and the second limiting surface (22) respectively, so that the lens (15) moves forward and backward on the mounting seat (16).
9. The mobile power source with projection function according to claim 3, characterized in that: A handle (23) is provided on the top of the power source body (1), and a light-emitting component (24) is provided on the other side of the power source body (1). The light-emitting component (24) is located on one side of the handle (23).
10. The mobile power source with projection function according to claim 9, characterized in that: A control board (25) is provided on the inner cavity (4); the control board (25) is located below the projection device (3); the battery assembly (2) is electrically connected to the control board (25); and the control board (25) is electrically connected to the first heat dissipation component (5), the second heat dissipation component (10), the light source component (7), and the light-emitting component (24).
Citation Information
Patent Citations
Outdoor power supply
CN219181222U