Wireless charging device and mobile carrier
By using locking blocks and locking structures in the wireless charging device, the complexity of BGA packaging and the difficulty of rework are solved, enabling rapid packaging and disassembly of circuit boards, protecting chips, and improving the reliability of the manufacturing process.
Patent Information
- Application Number
- CN202520237262.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The soldering process for BGA packaging is complex, requires advanced manufacturing equipment, and is difficult to test and rework, which affects chip reliability.
By employing a wireless charging device and using a locking block and locking structure, the circuit board can be packaged and disassembled without damage, reducing the difficulty of packaging and rework.
It enables rapid packaging and disassembly of circuit boards, protects chips, reduces the difficulty of packaging and disassembly, and improves the reliability of the manufacturing process.
Smart Images

Figure CN223713634U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] Embodiments of the present application relate to the technical field of vehicle charging, and in particular to a wireless charging device and a mobile vehicle. BACKGROUND
[0002] In the design and manufacture of electronic products, the packaging technology of microcontroller units (MCU) is crucial to product performance and reliability. Ball grid array (BGA) packaging has become the preferred choice for high-performance MCUs due to its high pin density and excellent electrical performance. However, BGA packaging places higher demands on manufacturing processes and equipment.
[0003] The solder joints of BGA packaging are located at the bottom of the chip, which reduces the packaging volume and improves heat dissipation efficiency. However, the soldering process is more complex and requires high-precision placement equipment and optical alignment systems to ensure accurate connection between solder balls and circuit board pads, avoiding defects such as empty soldering or short circuit. The soldering process usually uses reflow soldering technology, which requires strict control of temperature curves. Excessive temperature or low temperature can cause poor soldering and affect chip reliability. Therefore, precise temperature control equipment and strict process monitoring are required during manufacturing.
[0004] In addition, the detection and repair of BGA packaging is more complex. Since the solder joints are hidden at the bottom of the chip, X-ray detection equipment is needed to identify soldering defects, increasing the complexity of production equipment. CONTENT OF THE INVENTION
[0005] Embodiments of the present application aim to provide a wireless charging device and a mobile vehicle to reduce the technical requirements of circuit board packaging and repair.
[0006] To solve the above technical problems, embodiments of the present application disclose the following technical solutions:
[0007] In a first aspect, a wireless charging device is provided, comprising:
[0008] a second housing;
[0009] a circuit board connected to the second housing;
[0010] a clamping device provided with a locking structure, the locking structure passing through the circuit board and the second housing and fixing the circuit board and the second housing;
[0011] a lock block located on the side of the second housing away from the circuit board, the lock block being connected to the second housing;
[0012] The lock block has a first position and a second position. When the lock block is in the first position, the lock block is away from the circuit board. When the lock block is in the second position, the lock block is close to the circuit board, and the lock block moves the locking structure to movably connect the circuit board and the second shell.
[0013] In a second aspect, a mobile vehicle is provided, comprising the wireless charging device as in any of the first aspects.
[0014] One of the above technical solutions has the following advantages or beneficial effects:
[0015] The wireless charging device provided by the embodiments of the present application comprises a second shell, a circuit board connected with the second shell, a clamp provided with a locking structure penetrating through the circuit board and the second shell and fixing the circuit board and the second shell, and a lock block located on a side of the second shell away from the circuit board and connected with the second shell. The lock block has a first position and a second position. When the lock block is in the first position, the lock block is away from the circuit board. When the lock block is in the second position, the lock block is close to the circuit board, and the lock block moves the locking structure to movably connect the circuit board and the second shell. The wireless charging device provided by the embodiments of the present application can package and protect the circuit board through the cooperation of the lock block and the locking structure, and can realize the non-destructive disassembly of the circuit board by moving the lock block, thereby reducing the difficulty of packaging and repairing the circuit board. BRIEF DESCRIPTION OF DRAWINGS
[0016] The technical solutions and other beneficial effects of the present application will become apparent from the following detailed description of the specific embodiments of the present application, combined with the accompanying drawings.
[0017] Figure 1 The structural schematic diagram provided by the embodiments of the present application is shown in the following figure;
[0018] Figure 2 The structural schematic diagram provided by the embodiments of the present application is shown in the following figure;
[0019] Figure 3 The structural schematic diagram of the clamp provided by the embodiments of the present application is shown in the following figure;
[0020] Figure 4 The structural schematic diagram of the circuit board provided by the embodiments of the present application is shown in the following figure;
[0021] Figure 5 The structural schematic diagram of the second shell and the lock block provided by the embodiments of the present application is shown in the following figure;
[0022] Figure 6 The partial structural schematic diagram obtained along the section plane B-B' of the embodiments of the present application is shown in the following figure; Figure 1
[0023] Figure 7 A-A' section of the second shell provided by the embodiment of the present application Figure 1 A-A' section of the second shell provided by the embodiment of the present application
[0024] Figure 8 A-A' section of the second shell provided by the embodiment of the present application Figure 1 A-A' section of the second shell provided by the embodiment of the present application
[0025] Figure 9 A-A' section of the second shell provided by the embodiment of the present application A-A' section of the second shell provided by the embodiment of the present application
[0026] A-A' section of the second shell provided by the embodiment of the present application Figure 10 A-A' section of the second shell provided by the embodiment of the present application Figure 1 A-A' section of the second shell provided by the embodiment of the present application A-A' section of the second shell provided by the embodiment of the present application
[0027] A-A' section of the second shell provided by the embodiment of the present application Figure 11 A-A' section of the second shell provided by the embodiment of the present application Figure 1 A-A' section of the second shell provided by the embodiment of the present application A-A' section of the second shell provided by the embodiment of the present application
[0028] A-A' section of the second shell provided by the embodiment of the present application Figure 12 A-A' section of the second shell provided by the embodiment of the present application Figure 1 A-A' section of the second shell provided by the embodiment of the present application A-A' section of the second shell provided by the embodiment of the present application
[0029] A-A' section of the second shell provided by the embodiment of the present application A-A' section of the second shell provided by the embodiment of the present application
[0030] 100-wireless charging device, 110-first shell, 120-second shell, 121-receiving compartment, 122-receiving cavity, 123-third through hole, 200-charging coil, 300-gasket, 400-clamp, 410-clamping leg, 411-clasping buckle, 412-slot, 420-fixing plate, 430-ejector pin, 500-circuit board, 510-chip, 520-first through hole, 530-second through hole, 600-cover plate, 700-locking block, 800-screw. DETAILED DESCRIPTION
[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0032] The specific implementation methods of this application are illustrated below through examples:
[0033] like Figures 1 to 5 As shown, this application embodiment provides a wireless charging device, including: a second housing 120; a circuit board 500 connected to the second housing 120; a clip 400 with a locking structure passing through the circuit board 500 and the second housing 120 and fixing the circuit board 500 and the second housing 120; and a locking block 700 located on the side of the second housing 120 away from the circuit board 500 and connected to the second housing 120. The locking block 700 and the circuit board 500 have a first position and a second position. When the locking block 700 is in the first position, it is away from the circuit board 500, and the circuit board 500 and the second housing 120 are fixedly connected under the constraint of the locking structure. When the locking block 700 is in the second position, it moves closer to the circuit board 500, and during its movement, it applies pressure to the locking structure, causing the locking structure to deform and allowing the circuit board 500 and the second housing 120 to be movably connected.
[0034] Specifically, the second shell 120 is used to carry the circuit board 500 to form protection for the circuit board 500, and is also used to connect other components to realize fixing of the wireless charging device. The main function of the clamping piece 400 is to pass through the circuit board 500 and the second shell 120 respectively through the locking structure and form clamping with the second shell 120, so that the circuit board 500 cannot be directly taken off from the second shell 120. The locking block 700 is arranged on the other side of the second shell 120, and the main function thereof is to enable the locking structure to move or deform when moving, so that the circuit board 500 and the second shell 120 are in a contact fixed state, and at this time the circuit board 500 can be directly taken off from the second shell 120.
[0035] It can be understood that the wireless charging device provided by the application realizes protection of the circuit board through the locking structure arranged on the locking block and the clamping piece, realizes non-damage disassembly of the circuit board through movement of the locking block, and reduces the difficulty of packaging and repairing of the circuit board.
[0036] As shown in Figure 3 In the embodiment of the application, the clamping piece 400 includes a fixed plate 420 and a clamping leg 410, the clamping leg 410 is connected with the fixed plate 420, and the locking structure is arranged on the clamping leg 410. Specifically, the fixed plate 420 is used to carry the clamping leg 410, and the fixed plate 420 includes a sheet structure such as a square or a circle. The clamping leg 410 has a plurality of (such as Figure 3 four as shown) clamping legs 410, the plurality of clamping legs 410 surround the side of the fixed plate 420, one end of each of the clamping legs 410 is fixedly connected with the fixed plate 420, the other end of each of the clamping legs 410 faces the same direction and forms a U-shaped structure with the fixed plate 420, and the locking structure is arranged on each of the clamping legs 410.
[0037] It can be understood that by arranging the locking structure on each of the clamping legs 410 of the clamping piece 400, when the locking structure is clamped with the second shell 120, the fixed plate 420 can fix the clamping leg 410 to avoid the circuit board 500 being easily separated from the second shell 120.
[0038] As shown in Figure 3 In the embodiment of the application, the locking structure includes a buckle 411, the buckle 411 has a first end and a second end, the first end is connected with the clamping leg 410, and the second end is protruded away from the clamping leg 410. Specifically, the first end of the buckle 411 is connected with the clamping leg 410 to form a stable structure with the clamping leg 410, and the second end of the buckle 411 is protruded, so that when passing through the second shell 120, the second end of the buckle 411 can form clamping with the second shell 120, so that the circuit board 500 can be fixed with the second shell 120.
[0039] It can be understood that the locking structure adopts a buckle type design, so that the clamping clip 400 can be quickly clamped with the second shell 120 during installation, so that the circuit board 500 can be fixed with the second shell 120 to form an overall structure. By providing the locking structure on the clamping clip 400, the installation efficiency of the circuit board 500 and the second shell 120 is improved, and the packaging difficulty of the circuit board 500 is reduced.
[0040] As shown in Figure 3 In the embodiment of the present application, the clamping leg 410 is provided with a slot hole 412 for accommodating the locking structure when the locking structure is close. Specifically, the locking structure is a buckle 411, and the slot hole 412 is a hollow or semi-hollow area on the clamping leg 410. When the circuit board 500 needs to be packaged, the clamping leg 410 passes through the circuit board 500 and the second shell 120, at which time the buckle 411 is pressed to move to the slot hole 412. When the clamping leg 410 is moved into position, the buckle 411 returns to the initial position and forms a clamping with the second shell 120, and the buckle 411 can prevent the clamping leg 410 from moving in the longitudinal direction; when the circuit board 500 needs to be disassembled, the buckle 411 can be moved to the slot hole 412 by external force, and the slot hole 412 can accommodate the buckle 411 therein, thereby ensuring that the clamping leg 410 can move in the longitudinal direction.
[0041] It can be understood that the slot hole 412 capable of accommodating the buckle 411 is provided on the clamping leg 410, so that when the circuit board 500 is packaged, the buckle 411 can be moved into the slot hole 412, thereby quickly passing through the circuit board 500 and the second shell 120; and when the circuit board 500 is disassembled, the buckle 411 can also be moved into the slot hole 412, thereby facilitating the separation of the circuit board 500 and the second shell 120, improving the packaging and disassembly efficiency of the circuit board 500, and reducing the packaging and disassembly difficulty of the circuit board 500.
[0042] As shown in Figure 5 In the embodiment of the present application, the locking block 700 is provided with a through hole, and when the locking block 700 moves from the first position to the second position, the locking structure passes through the through hole, and the locking block 700 exerts pressure on the locking structure, so that the locking structure moves into the slot hole 412. Specifically, the side of the locking block 700 opposite to the locking structure has a slope, and under the action of external force, the locking block 700 moves from the first position to the second position, and the slope continuously exerts pressure on the locking structure during movement, so that the locking structure moves in the direction of the slot hole 412 and finally moves into the slot hole 412. At the same time, the clamping leg 410 and the locking structure pass through the through hole together during the movement of the locking block 700 to the second position, thereby ensuring that the locking block 700 can be moved into position to press the locking structure into the slot hole 412.
[0043] Understandably, by providing a through hole in the locking block 700, it can be ensured that when the locking block 700 moves to the second position, the clamping foot 410 and the locking structure can pass through the through hole together, ensuring that the locking block 700 can move into place, thereby preventing the clamping foot 410 from blocking the locking block 700.
[0044] like Figure 5 As shown in this embodiment, the second housing 120 has a threaded hole, and the locking block 700 has a fourth through hole. The locking block 700 is connected to the second housing 120 by a screw 800. The screw 800 passes through the fourth through hole and is threadedly connected to the threaded hole. When the screw 800 rotates, it can move the locking block 700 from a first position to a second position. Specifically, the screw 800 passes through the fourth through hole and is threadedly connected to the threaded hole on the second housing 120, thereby limiting the locking block 700 to the first position. When it is necessary to remove the clip 400, the locking block 700 can be moved to the second position by rotating the screw 800, thereby causing the locking block 700 to press the locking structure into the slot 412.
[0045] Understandably, the locking block 700 is fixed in the first position by the screw 800, thereby ensuring that the locking block 700 will not loosen or fall off. At the same time, the screw 800 can also push the locking block 700 to the second position under the action of external force, thereby realizing the position adjustment of the locking structure.
[0046] like Figure 5 As shown in this embodiment, the second housing 120 is provided with a receiving compartment 121, which has a receiving cavity 122, and the locking block 700 is located in the receiving cavity. The receiving compartment 121 is provided with a third through hole 123, which penetrates the receiving cavity 122. The locking structure passes through the third through hole 123 and engages with the inner wall of the receiving compartment 121. Specifically, the receiving compartment 121 protrudes towards the circuit board 500, thereby forming the receiving cavity 122, and the locking block 700 is disposed in the receiving cavity 122. The clamping foot 410, with a buckle 411, passes through the circuit board 500 and the third through hole 123 in sequence, and the second end of the buckle 411 engages with the inner wall of the receiving compartment 121.
[0047] It is understandable that placing the locking block 700 in the receiving cavity 122 on the second housing 120 serves to limit the locking block 700; preventing the locking block 700 from shifting position when moving from the first position to the second position, which would cause the latch 411 to not enter the slot 412 as expected, thus avoiding hindering the normal removal of the clip 400.
[0048] like Figure 4 , Figure 7 and Figure 8As shown, in the embodiment of the present application, the circuit board 500 is provided with the chip 510, the first through hole 520 and the second through hole 530, at least part of the structure of the chip 510 coincides with the first through hole 520; the clamping piece 400 further comprises the ejector pin 430, the ejector pin 430 is connected with the fixed plate 420, the ejector pin 430 passes through the first through hole 520 and is opposite to the chip 510, the clamping leg 410 passes through the second through hole 530. Specifically, the second through hole 530 is arranged around the circumferential side of the first through hole 520, when the clamping leg 410 of the clamping piece 400 passes through the second through hole 530, a region is enclosed, and the chip 510 is located in the region surrounded by the clamping leg 410. The chip 510 is fixed on the side of the circuit board 500 close to the second shell 120, and part of the structure overlaps the first through hole 520, the ejector pin 430 is opposite to the chip 510 through the first through hole 520 and maintains a certain distance. It is worth noting that, if the circuit board 500 needs to be correctly disassembled, the lock block 700 needs to be moved from the first position to the second position by rotating the screw 800 first, so as to reset the clamping buckle 411, then the clamping piece 400 is taken off, and finally the circuit board 500 is taken out; if the circuit board 500 is forcibly disassembled without taking off the clamping piece 400, the chip 510 will be in direct contact with the ejector pin 430, and the ejector pin 430 will damage the internal structure of the chip 510 or even pierce the chip 510.
[0049] It can be understood that, by arranging the first through hole 520 on the circuit board 500, the ejector pin 430 passes through the first through hole 520 and is opposite to the chip 510; by arranging the second through hole 530 on the circuit board 500, the clamping leg 410 passes through the second through hole 530 to fix the circuit board 500 with the second shell 120, thereby improving the disassembly difficulty and disassembly cost of the circuit board 500, and at the same time, when forcibly disassembled, the ejector pin 430 can damage the chip 510, thereby protecting the data in the chip 510 from being maliciously acquired or tampered with.
[0050] As Figure 2As shown, in the embodiment of the present application, it further comprises a first shell 110, a charging coil 200, a gasket 300 and a cover plate 600; the first shell 110 is connected with the second shell 120 and forms a cavity, the charging coil 200 is located in the cavity and connected with the circuit board 500, the gasket 300 is located between the charging coil 200 and the circuit board 500, and the cover plate 600 is located on the side of the second shell 120 away from the first shell 110 and used for covering the locking block 700. Specifically, the shell of the wireless charging device is composed of the first shell 110 and the second shell 120, and after the first shell 110 and the second shell 120 are spliced, a cavity for accommodating the wireless charging components is formed inside. The wireless charging components are stacked in the cavity in a layer structure from the second shell 120 to the first shell 110, which are respectively: the circuit board 500, the gasket 300 and the charging coil 200. The circuit board 500 is fixedly connected with the second shell 120 through the clamping clip 400, the charging coil 200 is electrically connected with the circuit board 500, and the gasket 300 is used for isolating the charging coil 200 and the circuit board 500, so as to avoid the contact between the contacts or components on the circuit board 500 and the charging coil 200, thereby avoiding short circuit and the like. The cover plate 600 comprises a plastic film which can be pasted on one side of the second shell 120 to cover the locking block 700, thereby avoiding the screw 800 or the locking block 700 from falling off or being displaced.
[0051] It can be understood that the key charging components such as the charging coil 200 and the circuit board 500 are arranged in the cavity formed by the combination of the first shell 110 and the second shell 120, thereby protecting the charging components and avoiding the circuit board 500 and the charging coil 200 from being damaged and unable to realize charging.
[0052] In summary, the wireless charging device provided by the embodiment of the present application realizes the quick packaging and quick disassembly of the circuit board 500 by arranging the buckles 411 on the clamping clip 400 to fix the circuit board 500 on the second shell 120 and form an anti-disassembly structure between the chip 510 on the circuit board 500 and the contact pin 430 on the clamping clip 400, and at the same time, the chip 510 can be damaged when forcibly disassembled, thereby protecting the important data in the chip 510.
[0053] The embodiment of the present application provides a mobile carrier comprising the wireless charging device provided in any of the above embodiments. When the wireless charging device is arranged on the mobile carrier, it can realize wireless charging of the electronic device capable of wireless charging on the mobile carrier. Moreover, the functions and effects that the wireless charging device can realize are the same as those disclosed in the above embodiments, and the embodiment of the present application will not make more redundant description here.
[0054] The wireless charging device and the mobile carrier provided by the embodiments of the present application are described in detail above, and the principles and implementation manners of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the technical solutions of the present application and the core ideas thereof. It should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently, and the modification or replacement does not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A wireless charging device, characterized by, The utility model relates to a kind of card holder and locking structure, including: Second shell (120); Circuit board (500), the circuit board (500) is connected with the second shell (120); Clamp (400), the clamp (400) is equipped with locking structure, the locking structure passes through the circuit board (500) and the second shell (120) and fixes the circuit board (500) and the second shell (120); Lock block (700), the lock block (700) is located in the second shell (120) side away from the circuit board (500), the lock block (700) is connected with the second shell (120); Wherein, the lock block (700) has first position and second position, when the lock block (700) is in the first position, the lock block (700) is away from the circuit board (500);When the lock block (700) is in the second position, the lock block (700) is close to the circuit board (500), and the lock block (700) moves the locking structure to make the circuit board (500) with the second shell (120) active connection.
2. The wireless charging device of claim 1, wherein, The clamp (400) includes fixed plate (420) and clamping leg (410), the clamping leg (410) is connected with the fixed plate (420), and the locking structure is arranged on the clamping leg (410).
3. The wireless charging device of claim 2, wherein, The locking structure includes buckle (411), the buckle (411) has first end and second end, the first end is connected with the clamping leg (410), and the second end is raised away from the clamping leg (410).
4. The wireless charging device of claim 2, wherein, The clamping leg (410) is provided with slot hole (412), and the slot hole (412) is used to accommodate the locking structure when the locking structure is close.
5. The wireless charging device of claim 4, wherein, The lock block (700) is provided with a through hole, when the lock block (700) moves from the first position to the second position, the locking structure passes through the through hole, the lock block (700) exerts pressure on the locking structure, so that the locking structure moves into the slot hole (412).
6. The wireless charging device of claim 4, wherein, The second shell (120) is provided with a threaded hole, the lock block (700) is provided with a fourth through hole, the lock block (700) is connected with the second shell (120) by a screw (800), the screw (800) is screwed with the threaded hole through the fourth through hole, and the screw (800) can move the lock block (700) from the first position to the second position when rotating.
7. The wireless charging device of claim 1, wherein, The second shell (120) is provided with a containing bin (121), the containing bin (121) has a containing cavity (122), and the lock block (700) is located in the containing cavity. The containing bin (121) is provided with a third through hole (123), the third through hole (123) penetrates the containing cavity (122), and the locking structure is clamped with the inner wall of the containing bin (121) through the third through hole (123).
8. The wireless charging device of claim 2, wherein, The circuit board (500) is provided with a chip (510), a first through hole (520) and a second through hole (530), and at least part of the structure of the chip (510) coincides with the first through hole (520). The clamping piece (400) further comprises a ejector pin (430) connected with the fixed plate (420), the ejector pin (430) passes through the first through hole (520) and faces the chip (510), the clamping leg (410) passes through the second through hole (530).
9. The wireless charging device of claim 1, wherein, Further comprising a first shell (110), a charging coil (200), a gasket (300) and a cover plate (600); The first shell (110) is connected with the second shell (120) and forms a cavity, the charging coil (200) is located in the cavity and connected with the circuit board (500), the gasket (300) is located between the charging coil (200) and the circuit board (500), the cover plate (600) is located on the side of the second shell (120) away from the first shell (110) and used for covering the lock block (700).
10. A mobile carrier, characterized by The wireless charging device as claimed in any one of claims 1-9.