Driving power supply connection structure, driving power supply and lighting device

Abstract

The application provides a driving power supply connection structure, a driving power supply and a lighting device. The driving power supply connection structure comprises: a circuit board assembly, the circuit board assembly comprises an electrically connected circuit board and a ground pad, the ground pad is arranged close to one side of the circuit board, and the ground pad is used for grounding; a cover plate, the cover plate comprises a cover body part and a first mounting part connected with each other, the first mounting part is protruded on one side of the cover body part and arranged close to one end of the cover body part; and a connecting assembly, the connecting assembly is respectively arranged on the ground pad and the first mounting part, so as to connect the circuit board and the first mounting part, and make the cover plate and the ground pad electrically connected. The driving power supply connection structure has lower cost, more stable grounding, and better sealing and waterproof performance when applied to the driving power supply.

Description

Technical Field

[0001] This application relates to the field of electronics, specifically to a drive power supply connection structure, a drive power supply, and a lighting device. Background Technology

[0002] In related technologies, the circuit board of the drive power supply is connected to the casing of the drive power supply by riveting to achieve grounding. To prevent iron filings from falling during riveting and causing short circuits on the circuit board, rivets are soldered to the casing and then fixed to the grounding pad of the circuit board using surface mount technology (SMT). This achieves grounding of the circuit board. Riveting connections require specialized riveting equipment and processes, are time-consuming and costly, and the riveted joints have gaps that can easily lead to water leakage. Utility Model Content

[0003] This application provides a drive power supply connection structure that is lower in cost, more stable in grounding, and has better sealing and waterproofing when applied to drive power supplies.

[0004] In a first aspect, embodiments of this application provide a drive power supply connection structure, including:

[0005] A circuit board assembly, the circuit board assembly including an electrically connected circuit board and a grounding pad, the grounding pad being disposed on the side close to the circuit board, the grounding pad being used for grounding;

[0006] A cover plate, the cover plate including a connected cover body portion and a first mounting portion, the first mounting portion protruding from one side of the cover body portion and disposed near one end of the cover body portion; and

[0007] A connecting component is respectively disposed on the grounding pad and the first mounting part to connect the circuit board and the first mounting part, and to electrically connect the cover plate to the grounding pad.

[0008] Furthermore, the grounding pad has a first mounting hole, the first mounting part has a second mounting hole, and the connecting component passes through the first mounting hole and the second mounting hole respectively to connect the first mounting part to the circuit board.

[0009] Furthermore, the connecting assembly includes a first connector and a second connector; the first connector includes a first connecting portion and a second connecting portion connected together, the radial dimension of the first connecting portion is larger than the radial dimension of the second connecting portion, the second connecting portion has an external thread, and the second connecting portion passes through the first mounting hole and the second mounting hole respectively; the second connector has an internal thread, the second connector is sleeved on the end of the second connecting portion opposite to the first connecting portion, and the second connector is threadedly connected to the second connecting portion; the first mounting portion and the circuit board are both located between the first connecting portion and the second connector, and the first mounting portion and the circuit board are connected by the cooperation of the first connector and the second connector.

[0010] Furthermore, the first mounting portion is located between the first connecting portion and the circuit board, and the second connecting member is located on the side of the circuit board opposite to the first mounting portion.

[0011] Furthermore, the circuit board is located between the first connecting portion and the first mounting portion, and the second connecting member is located on the side of the first mounting portion away from the circuit board.

[0012] Furthermore, the circuit board has a positioning hole located between the cover portion and the first mounting hole; the first mounting portion includes a connected mounting sub-part and a positioning sub-part; the mounting sub-part protrudes from one side of the cover portion and has a second mounting hole; the positioning sub-part protrudes from the side of the mounting sub-part facing the circuit board and is located between the cover portion and the second mounting hole; the positioning sub-part passes through the positioning hole, and the cooperation between the positioning sub-part and the positioning hole allows the first mounting portion and the circuit board to be better positioned.

[0013] Furthermore, the circuit board has a first surface, a second surface, and a third surface. The first surface and the second surface are disposed opposite to each other along the thickness direction of the circuit board. The opposite ends of the third surface are respectively connected to the first surface and the second surface. The first mounting hole is disposed close to the third surface, and the positioning hole is located between the third surface and the first mounting hole.

[0014] The positioning holes penetrate the first surface and the second surface respectively; the first mounting holes penetrate the first surface and the second surface respectively;

[0015] or,

[0016] The positioning holes penetrate the first surface, the second surface, and the third surface respectively; the first mounting holes penetrate the first surface and the second surface respectively.

[0017] Furthermore, the cover plate also includes a second mounting portion, which is bent and connected to the cover body portion. The second mounting portion is located on the side of the cover body portion away from the first mounting portion and the circuit board assembly. The second mounting portion is used to install the drive power supply connection structure.

[0018] Secondly, embodiments of this application provide a driving power supply, which includes:

[0019] A housing having a receiving cavity open at one end;

[0020] The first aspect of this application describes a drive power connection structure in which the circuit board assembly of the drive power connection structure is located within the accommodating cavity, and the cover plate of the drive power connection structure is connected to the outer shell to close the opening of the accommodating cavity.

[0021] Thirdly, embodiments of this application provide a lighting device, which includes:

[0022] Lighting source, the lighting source having a light-emitting surface; and

[0023] The driving power supply according to the second aspect of this application is disposed on the side of the lighting source away from the light-emitting surface; the circuit board assembly of the driving power supply is electrically connected to the lighting source for driving the lighting source to emit light; the circuit board assembly further includes electronic components disposed on the surface of the circuit board facing the lighting source.

[0024] The drive power connection structure of this application embodiment includes a circuit board assembly, a cover plate, and a connecting assembly. The circuit board assembly includes an electrically connected circuit board and a grounding pad. The grounding pad is disposed near the side of the circuit board and is used for grounding. The cover plate includes a connected cover portion and a first mounting portion. The first mounting portion protrudes from one side of the cover portion and is disposed near one end of the cover portion. The connecting assembly passes through the grounding pad and the first mounting portion, respectively, to electrically connect the cover plate and the grounding pad. By providing the first mounting portion on the cover plate and fixing the first mounting portion to the circuit board through the connecting assembly, and thus electrically connecting the cover plate to the grounding pad, the grounding of the grounding pad is achieved. This drive power connection structure is simple in structure and easy to assemble. Compared to the solution of grounding the grounding pad through cables, the grounding pad of the circuit board assembly and the first mounting portion of the cover plate in this application are grounded through a hard connection, resulting in a more stable connection, reducing rework caused by poor electrical connection of the drive power connection structure, and reducing the cost of the drive power connection structure. Compared to riveting methods, the grounding pad of the circuit board assembly in this application is grounded by a hard connection with the first mounting part of the cover plate, eliminating the need for disordered and complex riveting equipment and processes, resulting in faster assembly and lower costs. In addition, the cover of this application embodiment has no gaps, making it less prone to water leakage, thus providing better sealing and waterproof performance when the drive power connection structure is used in the drive power supply. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the drive power supply connection structure according to an embodiment of this application.

[0027] Figure 2 This is a side view of a drive power supply connection structure according to an embodiment of this application.

[0028] Figure 3 This is an exploded structural diagram of a drive power supply connection structure according to an embodiment of this application.

[0029] Figure 4 This is a cross-sectional view of a drive power supply connection structure according to an embodiment of this application.

[0030] Figure 5 This is a schematic diagram of the structure of the cover according to an embodiment of this application.

[0031] Figure 6This is a schematic diagram of the drive power supply connection structure according to another embodiment of this application.

[0032] Figure 7 This is an exploded structural diagram of the drive power supply connection structure according to another embodiment of this application.

[0033] Figure 8 This is a cross-sectional view of the drive power supply connection structure according to another embodiment of this application.

[0034] Figure 9 This is a schematic diagram of the drive power supply connection structure according to another embodiment of this application.

[0035] Figure 10 This is an exploded structural diagram of the drive power supply connection structure according to another embodiment of this application.

[0036] Figure 11 This is a cross-sectional view of the drive power supply connection structure according to another embodiment of this application.

[0037] Figure 12 This is a schematic diagram of the drive power supply connection structure according to another embodiment of this application.

[0038] Figure 13 This is an exploded structural diagram of the drive power supply connection structure according to another embodiment of this application.

[0039] Figure 14 This is a cross-sectional view of the drive power supply connection structure according to another embodiment of this application.

[0040] Figure 15 yes Figure 3 Enlarged view of the area within the dashed box I.

[0041] Figure 16 This is a schematic diagram of the structure of a circuit board assembly according to an embodiment of this application.

[0042] Figure 17 This is a schematic diagram of the structure of a circuit board assembly according to another embodiment of this application.

[0043] Figure 18 This is a schematic diagram of the drive power supply connection structure according to another embodiment of this application.

[0044] Figure 19 This is an exploded view of the drive power supply connection structure according to another embodiment of this application.

[0045] Figure 20 This is a schematic diagram of the structure of a drive power supply according to an embodiment of this application.

[0046] Figure 21 This is an exploded structural diagram of a driving power supply according to an embodiment of this application.

[0047] Figure 22 This is an exploded structural diagram of a driving power supply according to an embodiment of this application from another perspective.

[0048] Figure 23 This is a schematic diagram of the structure of a lighting device according to an embodiment of this application.

[0049] Figure 24 This is a partial exploded structural diagram of a lighting device according to an embodiment of this application.

[0050] Explanation of reference numerals in the attached figures:

[0051] 100 - Drive power supply connection structure; 10 - Circuit board assembly; 11 - Circuit board; 111 - Positioning hole; 112 - First surface; 113 - Second surface; 114 - Third surface; 12 - Grounding pad; 121 - First mounting hole; 13 - Electronic component; 20 - Cover plate; 21 - Cover body; 211 - First assembly hole; 22 - First mounting part; 221 - Second mounting hole; 222 - Mounting sub-part; 223 - Positioning sub-part; 23 - Second mounting part, 231- Second mounting hole, 30- Connecting assembly, 31- First connector, 311- First connecting part, 312- Second connecting part, 32- Second connector, 400- Drive power supply, 410- Housing, 411- Receiving cavity, 412- Third mounting hole, 420- First fastener, 500- Lighting device, 510- Light source, 511- Light emitting surface, 512- Fourth mounting hole, 520- Second fastener. Detailed Implementation

[0052] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0053] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.

[0054] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0055] It should be noted that, for ease of explanation, the same reference numerals denote the same components in the embodiments of this application, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments.

[0056] In related technologies, the circuit board of the drive power supply is connected to the drive power supply casing by riveting to achieve grounding. To prevent iron filings from falling during riveting and causing short circuits, rivets are soldered to the casing and then fixed to the grounding pads on the circuit board using surface mount technology (SMT). Riveting requires specialized equipment and processes, is time-consuming and costly, and leaves gaps that can lead to leaks. Furthermore, riveting cannot achieve a true ground connection between the circuit board and the casing; additional cables are needed to electrically connect the grounding pads to the casing. These cables are prone to breakage during assembly and use, resulting in unstable electrical connections.

[0057] Please see Figures 1 to 4 This application provides a drive power supply connection structure 100, which includes a circuit board assembly 10, a cover plate 20, and a connecting assembly 30. The circuit board assembly 10 includes an electrically connected circuit board 11 and a grounding pad 12. The grounding pad 12 is disposed near the side of the circuit board 11 and is used for grounding. The cover plate 20 includes a connected cover portion 21 and a first mounting portion 22. The first mounting portion 22 protrudes from one side of the cover portion 21 and is disposed near one end of the cover portion 21. The connecting assembly 30 passes through the grounding pad 12 and the first mounting portion 22 to connect the circuit board 11 and the first mounting portion 22, and to electrically connect the cover plate 20 to the grounding pad 12.

[0058] The driving power connection structure 100 of this application embodiment is applied to a driving power supply used to drive a lighting source to emit light. When the driving power connection structure 100 is applied to the driving power supply, the circuit board assembly 10 is located within the receiving cavity of the driving power supply's housing, and the cover plate 20 is connected to the housing and used to close the opening of the receiving cavity. It can be understood that when the driving power connection structure 100 is applied to the driving power supply, the cover plate 20 is part of the external appearance of the driving power supply.

[0059] It should be noted that the grounding pad 12 may protrude from the surface of the circuit board 11; the grounding pad 12 may also be at least partially embedded in the circuit board 11 with part of its surface exposed; in addition, the grounding pad 12 may also be disposed on the side wall of the through hole of the circuit board 11.

[0060] Optionally, the cover portion 21 and the first mounting portion 22 are an integral structure. In other words, the cover portion 21 and the first mounting portion 22 are two different parts of the same component, and the cover portion 21 and the first mounting portion 22 can be manufactured using an integral molding process. For example, investment casting, die casting, metal injection molding, and other processes can be used for manufacturing.

[0061] It should be noted that the grounding pad 12 is conductive.

[0062] It should be noted that both the cover portion 21 and the first mounting portion 22 are conductive. For example, the cover plate 20 is made of metal, i.e., the cover plate 20 is a metal cover plate 20.

[0063] Optionally, the cover plate 20 may be made of, but is not limited to, aluminum, aluminum alloy, stainless steel, etc.

[0064] Optionally, the first mounting portion 22 and the outer periphery of the cover portion 21 are spaced apart. This allows the circuit board assembly 10 to be better positioned within the housing cavity when the drive power connection structure 100 is applied to the drive power supply, which is beneficial for the installation of the cover 20 and the housing.

[0065] Understandably, the connection component 30 is rigidly connected to the grounding pad 12 and the first mounting part 22 respectively, and the connection component 30 is rigidly connected to the circuit board 11.

[0066] The drive power connection structure 100 of this application embodiment includes a circuit board assembly 10, a cover plate 20, and a connecting assembly 30. The circuit board assembly 10 includes an electrically connected circuit board 11 and a grounding pad 12. The grounding pad 12 is disposed on the side near the circuit board 11 and is used for grounding. The cover plate 20 includes a connected cover portion 21 and a first mounting portion 22. The first mounting portion 22 protrudes from one side of the cover portion 21 and is disposed near one end of the cover portion 21. The connecting assembly 30 passes through the grounding pad 12 and the first mounting portion 22, respectively, to electrically connect the cover plate 20 and the grounding pad 12. By providing the first mounting portion 22 on the cover plate 20 and fixing the first mounting portion 22 to the circuit board 11 through the connecting assembly 30, and thus electrically connecting the cover plate 20 to the grounding pad 12, the grounding of the grounding pad 12 is achieved. The drive power connection structure 100 is simple in structure and easy to assemble. Compared with the solution of grounding the grounding pad 12 through a cable, the grounding pad 12 of the circuit board assembly 10 and the first mounting part 22 of the cover plate 20 are grounded through a hard connection, which makes the connection more stable, reduces rework caused by poor electrical connection of the drive power connection structure 100, and reduces the cost of the drive power connection structure 100. Compared with the solution of riveting, the grounding pad 12 of the circuit board assembly 10 and the first mounting part 22 of the cover plate 20 are grounded through a hard connection, eliminating the need for disordered and complicated riveting equipment and processes, making assembly faster and cheaper. In addition, the cover part 21 of the embodiment of this application has no gaps, which makes it less likely to leak water, so that when the drive power connection structure 100 is used in a drive power supply, it has better sealing and waterproof performance.

[0067] Please see Figure 5 Optionally, the cover portion 21 has a plurality of first mounting holes 211, which are spaced apart around the outer periphery of the cover portion 21. The first mounting holes 211 are used to cooperate with fasteners to connect the drive power connection structure 100 to the housing of the drive power supply when the drive power connection structure 100 is applied to the drive power supply.

[0068] Optionally, the number of the first mounting holes 211 can be, but is not limited to, two, three, four, five, six, etc. In the schematic diagram of the accompanying drawings of this application, four first mounting holes 211 are shown as an example, and should not be construed as a limitation on the drive power connection structure 100 of the embodiment of this application.

[0069] Please see again Figure 3In some embodiments, the grounding pad 12 has a first mounting hole 121, the first mounting part 22 has a second mounting hole 221, and the connecting component 30 passes through the first mounting hole 121 and the second mounting hole 221 respectively to connect the first mounting part 22 to the circuit board 11.

[0070] However, during assembly, the connecting component 30 can pass through the first mounting hole 121 first and then through the second mounting hole 221; during assembly, the connecting component 30 can also pass through the second mounting hole 221 first and then through the first mounting hole 121.

[0071] In this embodiment, the grounding pad 12 has a first mounting hole 121, and the first mounting part 22 has a second mounting hole 221. The connecting component 30 passes through the first mounting hole 121 and the second mounting hole 221 respectively to connect the first mounting part 22 to the circuit board 11. This allows for a rigid connection between the circuit board 11 and the first mounting part 22, making the connection between the circuit board 11 and the first mounting part 22 more stable, and simplifying the assembly process while reducing costs.

[0072] Please see again Figure 3 and Figure 4 In some embodiments, the connecting assembly 30 includes a first connector 31 and a second connector 32; the first connector 31 includes a first connecting portion 311 and a second connecting portion 312 connected together, the radial dimension of the first connecting portion 311 is larger than the radial dimension of the second connecting portion 312, the second connecting portion 312 has an external thread, and the second connecting portion 312 passes through the first mounting hole 121 and the second mounting hole 221 respectively; the second connector 32 has an internal thread, the second connector 32 is sleeved on the end of the second connecting portion 312 opposite to the first connecting portion 311, and the second connector 32 is threadedly connected to the second connecting portion 312; the first mounting portion 22 and the circuit board 11 are both located between the first connecting portion 311 and the second connector 32, and the first mounting portion 22 is connected to the circuit board 11 through the cooperation of the first connector 31 and the second connector 32.

[0073] During assembly, the first mounting hole 121 on the grounding pad 12 of the circuit board 11 is aligned with the second mounting hole 221 of the first mounting part 22, in other words, the first mounting hole 121 and the second mounting hole 221 are stacked. The second connecting part 312 of the first connector 31 passes through the first mounting hole 121 and the second mounting hole 221 sequentially from the side of the circuit board 11 away from the first mounting part 22 until the second connecting part 312 protrudes from the side of the first mounting part 22 away from the circuit board 11. The second connector 32 is then fitted onto the side of the second connecting part 312 away from the circuit board 11 from the side of the first mounting part 22 away from the circuit board 11. One end of the connecting part 311 is used to achieve a fixed connection and electrical connection between the first mounting part 22 and the circuit board 11; or the second connecting part 312 of the first connecting member 31 is passed through the second mounting hole 221 and the first mounting hole 121 in sequence from the side of the first mounting part 22 away from the circuit board 11 until the second connecting part 312 protrudes from the side of the circuit board 11 away from the first mounting part 22, and the second connecting member 32 is sleeved on the end of the second connecting part 312 away from the first connecting part 311 from the side of the circuit board 11 away from the first mounting part 22, thereby achieving a fixed connection and electrical connection between the first mounting part 22 and the circuit board 11.

[0074] In a specific example, the first connector 31 is a stud and the second connector 32 is a nut.

[0075] It should be noted that, optionally, the first connecting portion 311 and the second connecting portion 312 are an integral structure. In other words, the first connecting portion 311 and the second connecting portion 312 are two different parts of the same component, and the first connecting portion 311 and the second connecting portion 312 can be manufactured using an integral molding process, such as investment casting, die casting, or metal injection molding.

[0076] It should be noted that both the first connector 31 and the second connector 32 are conductive. For example, both the first connector 31 and the second connector 32 are made of metal. In other words, the first connector 31 is a metal connector, and the second connector 32 is also a metal connector.

[0077] In this embodiment, the connecting component 30 includes a first connector 31 and a second connector 32. An external thread is provided on the second connecting portion 312 of the first connector 31, and an internal thread is provided on the second connector 32, so that the first connector 31 and the second connector 32 are threadedly connected. Through the cooperation of the first connector 31 and the second connector 32, the first mounting portion 22 of the cover plate 20 is fixedly connected to the circuit board assembly 10, and an electrical connection is achieved. The structure is simple, easy to assemble, and low in cost.

[0078] Please see Figures 1 to 4 , Figures 6 to 8In some embodiments, the first mounting portion 22 is located between the first connecting portion 311 and the circuit board 11, and the second connecting member 32 is located on the side of the circuit board 11 opposite to the first mounting portion 22.

[0079] Understandably, the first connection portion 311 is located on the side of the first mounting portion 22 opposite to the circuit board 11.

[0080] It should be noted that the second connector 32, the circuit board assembly 10, the first mounting part 22 and the second connector 312 are arranged sequentially along the arrangement direction of the first connecting part 311 and the second connecting part 312 (that is, along the extension direction of the second connecting part 312, or along the thickness direction of the circuit board assembly 10).

[0081] The drive power connection structure 100 of this embodiment is simple in structure, easy to install, and has a lower cost. In addition, when the drive power connection structure 100 of this embodiment is applied to the drive power supply, the cover portion 21 of the cover plate 20 exposed to the drive power supply has no gaps, which has better sealing performance, is less prone to water leakage, and makes grounding safer.

[0082] Please see Figures 9 to 14 In some embodiments, the circuit board 11 is located between the first connecting portion 311 and the first mounting portion 22, and the second connecting member 32 is located on the side of the first mounting portion 22 opposite to the circuit board 11.

[0083] Understandably, the first connection portion 311 is located on the side of the circuit board 11 opposite to the first mounting portion 22.

[0084] It should be noted that the second connector 32, the first mounting part 22, the circuit board assembly 10 and the second connector 312 are arranged sequentially along the arrangement direction of the first connecting part 311 and the second connecting part 312 (that is, along the extension direction of the second connecting part 312, or along the thickness direction of the circuit board assembly 10).

[0085] The drive power connection structure 100 of this embodiment is simple in structure, easy to install, and has a lower cost. In addition, when the drive power connection structure 100 of this embodiment is applied to the drive power supply, the cover portion 21 of the cover plate 20 exposed to the drive power supply has no gaps, which has better sealing performance, is less prone to water leakage, and makes grounding safer.

[0086] Please see also Figure 3 and Figure 15In some embodiments, the circuit board 11 has a positioning hole 111 located between the cover portion 21 and the first mounting hole 121; the first mounting portion 22 includes a connected mounting sub-portion 222 and a positioning sub-portion 223; the mounting sub-portion 222 protrudes from one side of the cover portion 21 and has the second mounting hole 221; the positioning sub-portion 223 protrudes from the side of the mounting sub-portion 222 facing the circuit board 11 and is located between the cover portion 21 and the second mounting hole 221; the positioning sub-portion 223 passes through the positioning hole 111, and the cooperation between the positioning sub-portion 223 and the positioning hole 111 allows the first mounting portion 22 and the circuit board 11 to be better positioned.

[0087] Understandably, the first mounting hole 121 is located on the side of the positioning hole 111 opposite to the cover portion 21.

[0088] Understandably, the extending direction of the mounting sub-part 222 is parallel to the extending plane of the circuit board 11, and the cover part 21 and the positioning sub-part 223 are spaced apart along the extending direction of the mounting sub-part 222.

[0089] Optionally, the distance between the first mounting hole 121 and the positioning hole 111 is equal to the distance between the positioning sub-part 223 and the second mounting hole 221. This allows for better positioning of the relative position between the first mounting part 22 and the circuit board 11, and facilitates the assembly of the drive power connection structure 100.

[0090] In this embodiment, the first mounting part 22 includes a positioning sub-part 223, and the circuit board 11 includes a positioning hole 111. When the circuit board assembly 10 and the cover plate 20 are assembled, the positioning sub-part 223 of the first mounting part 22 is first inserted into the positioning hole 111 of the circuit board 11, and then the first mounting hole 121 and the second mounting hole 221 are aligned. The second connecting part 312 of the first connecting member 31 is inserted into the first mounting hole 121 and the second mounting hole 221. This allows the first mounting part 22 and the circuit board assembly 10 to be better positioned during the assembly of the drive power connection structure 100, preventing misalignment between the cover plate 20 and the circuit board assembly 10 during or after assembly, and improving the efficiency and accuracy of the assembly of the drive power connection structure 100.

[0091] Please see Figure 16In some embodiments, the circuit board 11 has a first surface 112, a second surface 113, and a third surface 114. The first surface 112 and the second surface 113 are disposed opposite to each other along the thickness direction of the circuit board 11. The opposite ends of the third surface 114 are respectively connected to the first surface 112 and the second surface 113. The first mounting hole 121 is disposed close to the third surface 114. The positioning hole 111 is located between the third surface 114 and the first mounting hole 121. The positioning hole 111 penetrates the first surface 112 and the second surface 113 respectively. The first mounting hole 121 penetrates the first surface 112 and the second surface 113 respectively.

[0092] Understandably, in this embodiment, the positioning hole 111 is a through hole.

[0093] In this embodiment, by designing the positioning hole 111, and by cooperating with the positioning sub-part 223, the first mounting part 22 and the circuit board assembly 10 can be better positioned during the assembly of the drive power connection structure 100, preventing misalignment between the cover plate 20 and the circuit board assembly 10 during or after assembly, thereby improving the efficiency and accuracy of the assembly of the drive power connection structure 100.

[0094] Please see Figure 17 In other embodiments, the circuit board 11 has a first surface 112, a second surface 113, and a third surface 114. The first surface 112 and the second surface 113 are disposed opposite to each other along the thickness direction of the circuit board 11. The opposite ends of the third surface 114 are respectively connected to the first surface 112 and the second surface 113. The first mounting hole 121 is disposed close to the third surface 114. The positioning hole 111 is located between the third surface 114 and the first mounting hole 121. The positioning hole 111 passes through the first surface 112, the second surface 113, and the third surface 114 respectively. The first mounting hole 121 passes through the first surface 112 and the second surface 113 respectively.

[0095] Understandably, in this embodiment, the positioning hole 111 is a through slot.

[0096] In this embodiment, by designing the positioning hole 111, and by cooperating with the positioning sub-part 223, the first mounting part 22 and the circuit board assembly 10 can be better positioned during the assembly of the drive power connection structure 100, preventing misalignment between the cover plate 20 and the circuit board assembly 10 during or after assembly, thereby improving the efficiency and accuracy of the assembly of the drive power connection structure 100.

[0097] Compared to Figure 17 The plan, Figure 16 This solution can better limit the relative position of the circuit board 11 and the first mounting part 22. Figure 17 This design allows the positioning sub-part 223 to be inserted into the positioning hole 111 more quickly, thereby achieving the positioning of the circuit board 11 and the first mounting part 22.

[0098] Please see again Figure 3 , Figure 7 , Figure 10 , Figure 13 , Figure 18 and Figure 19 In some embodiments, the cover plate 20 further includes a second mounting portion 23, which is bent and connected to the cover body portion 21. The second mounting portion 23 is located on the side of the cover body portion 21 away from the first mounting portion 22 and the circuit board assembly 10. The second mounting portion 23 is used to install the drive power connection structure 100.

[0099] like Figure 3 , Figure 7 , Figure 10 and Figure 13 As shown, in some embodiments, the first mounting portion 22 and the second mounting portion 23 are located at opposite ends of the cover portion 21. For example... Figure 18 and Figure 19 As shown, in some other embodiments, the first mounting portion 22 and the second mounting portion 23 are located on opposite surfaces at the same end of the cover portion 21.

[0100] When the drive power connection structure 100 is applied to the drive power supply and the drive power supply is applied to the lighting equipment, the second mounting part 23 is connected to the lighting source of the lighting equipment to mount the drive power supply to the lighting source.

[0101] Please see Figure 3 Optionally, the second mounting part 23 has a plurality of second mounting holes 231 spaced apart. The plurality of second mounting holes 231 are used to cooperate with fasteners to connect the driving power supply to the lighting source when the driving power supply is applied to the lighting device.

[0102] Optionally, the cover portion 21, the first mounting portion 22, and the second mounting portion 23 are an integral structure. In other words, the cover portion 21, the first mounting portion 22, and the second mounting portion 23 are two different parts of the same component, and can be manufactured using an integral molding process, such as investment casting, die casting, or metal injection molding.

[0103] Optionally, the number of the second mounting holes 231 can be, but is not limited to, two, three, four, five, six, etc. In the schematic diagram of the accompanying drawings of this application, two second mounting holes 231 are shown as an example, and should not be construed as a limitation on the drive power connection structure 100 and the drive power supply of the embodiments of this application.

[0104] In this embodiment, by providing the second mounting part 23, when the drive power connection structure 100 is applied to the drive power supply and the drive power supply is applied to the lighting device, the drive power supply can be connected to the lighting source. The structure is simple and the installation is convenient.

[0105] Please see Figures 20 to 22 This application also provides a driving power supply 400, which includes a housing 410 and a driving power supply connection structure 100 according to this application. The housing 410 has a receiving cavity 411 with one end open; the circuit board assembly 10 of the driving power supply connection structure 100 is located in the receiving cavity 411, and the cover plate 20 of the driving power supply connection structure 100 is connected to the housing 410 to close the opening of the receiving cavity 411.

[0106] The driving power connection structure 100 of this application is applied to a lighting device to drive the lighting source of the lighting device to emit light.

[0107] Optionally, the driving power supply 400 can be, but is not limited to, a light-emitting diode driving power supply (LED driving power supply). An LED driving power supply is a power converter that converts the power supply into a specific voltage and current to drive the LED to emit light. Typically, the input of an LED driving power supply includes high-voltage AC (i.e., mains power), low-voltage DC, high-voltage DC, low-voltage high-frequency AC (such as the output of an electronic transformer), etc.

[0108] It should be noted that the outer casing 410 is a conductor, meaning that the material of the outer casing 410 is a conductive material. Specifically, the material of the outer casing 410 can be, but is not limited to, aluminum, aluminum alloy, stainless steel, etc.

[0109] Optionally, the housing 410 has a plurality of third mounting holes 412 arranged around the opening of the receiving cavity 411; the drive power supply 400 further includes a plurality of first fasteners 420, each first fastener 420 passing through a first mounting hole 211 and a third mounting hole 412 respectively, for connecting the cover plate 20 of the drive power supply connection structure 100 to the housing 410.

[0110] Optionally, the number of the third mounting holes 412 may be, but is not limited to, two, three, four, five, six, etc. In the schematic diagram of the accompanying drawings of this application, four third mounting holes 412 are shown as an example, and should not be construed as a limitation on the driving power supply 400 of the embodiments of this application.

[0111] Optionally, the number of the first fasteners 420 can be, but is not limited to, two, three, four, five, six, etc. In the schematic diagram of the accompanying drawings of this application, four first fasteners 420 are used as an example for illustration, and should not be construed as a limitation on the driving power supply 400 of the embodiments of this application.

[0112] Optionally, the first fastener 420 has external threads, and the first mounting hole 211 and the third mounting hole 412 have internal threads. The first fastener 420 is threadedly connected to the cover body 21 and the outer shell 410 of the cover plate 20, respectively.

[0113] Optionally, the first fastener 420 may be, but is not limited to, a screw, stud, etc.

[0114] Please see Figure 23 and Figure 24 This application also provides a lighting device 500, which includes a lighting source 510 and a driving power supply 400 according to this application embodiment. The lighting source 510 has a light-emitting surface 511; the driving power supply 400 is disposed on the side of the lighting source 510 away from the light-emitting surface 511; the circuit board assembly 10 of the driving power supply 400 is electrically connected to the lighting source 510 and is used to drive the lighting source 510 to emit light.

[0115] The lighting device 500 in this application embodiment can be at least one of ceiling lights, street lights, chandeliers, recessed ceiling lights, etc.

[0116] Optionally, the lighting source 510 can be, but is not limited to, LED lights, etc.

[0117] Please see also Figure 21 and Figure 22 Optionally, the circuit board assembly 10 further includes electronic components 13 disposed on the surface of the circuit board 11 facing the lighting source 510. This ensures that when the lighting device 500 is in use, the electronic components 13 of the circuit board assembly 10 are in an inverted state, thereby improving the waterproofness of the driving power supply 400 and extending the service life of both the driving power supply 400 and the lighting device 500.

[0118] In other embodiments, the electronic components 13 may also be disposed on the surface of the circuit board 11 facing away from the lighting source 510. In other words, the electronic components 13 of the circuit board assembly 10 are in an upright position.

[0119] Optionally, the lighting source 510 has a plurality of fourth mounting holes 512 on the side opposite to the light-emitting surface 511, and the plurality of fourth mounting holes 512 are spaced apart; the lighting device 500 also includes a plurality of second fasteners 520, each second fastener 520 passing through a second mounting hole 231 and a fourth mounting hole 512 respectively, for connecting the driving power supply 400 to the lighting source 510.

[0120] Optionally, the number of the fourth mounting holes 512 may be, but is not limited to, two, three, four, five, six, etc. In the schematic diagram of the accompanying drawings of this application, four fourth mounting holes 512 are shown as an example, and should not be construed as a limitation on the lighting device 500 of the embodiment of this application.

[0121] Optionally, the second fastener 520 has external threads, and the second mounting hole 231 and the fourth mounting hole 512 have internal threads. The second fastener 520 is threadedly connected to the cover plate 20 of the drive power supply 400 and the lighting source 510, respectively.

[0122] Optionally, the second fastener 520 may be, but is not limited to, a screw, stud, etc.

[0123] In this application, the terms "embodiment" and "implementation" mean that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this application. The appearance of these phrases in various locations throughout the specification does not necessarily refer to the same embodiment, nor are they independent or alternative embodiments mutually exclusive with other embodiments. Those skilled in the art will understand, explicitly and implicitly, that the embodiments described in this application can be combined with other embodiments. Furthermore, it should be understood that the features, structures, or characteristics described in the various embodiments of this application can be arbitrarily combined to form yet another embodiment that does not depart from the spirit and scope of the technical solution of this application, provided there is no contradiction between them.

[0124] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of this application should not depart from the spirit and scope of the technical solutions of this application.

Claims

1. A drive power source connection structure characterized by comprising: include: A circuit board assembly, the circuit board assembly including an electrically connected circuit board and a grounding pad, the grounding pad being disposed on the side close to the circuit board, the grounding pad being used for grounding; A cover plate, the cover plate including a connected cover body portion and a first mounting portion, the first mounting portion protruding from one side of the cover body portion and disposed near one end of the cover body portion; as well as A connecting component is respectively disposed on the grounding pad and the first mounting part to connect the circuit board and the first mounting part, and to electrically connect the cover plate to the grounding pad.

2. The drive power source connection structure according to claim 1, characterized by The grounding pad has a first mounting hole, the first mounting part has a second mounting hole, and the connecting component passes through the first mounting hole and the second mounting hole respectively to connect the first mounting part to the circuit board.

3. The drive power source connection structure according to claim 2, characterized by The connecting assembly includes a first connector and a second connector; the first connector includes a first connecting portion and a second connecting portion connected together, the radial dimension of the first connecting portion being larger than the radial dimension of the second connecting portion, the second connecting portion having an external thread, and the second connecting portion passing through the first mounting hole and the second mounting hole respectively; the second connector has an internal thread, the second connector being sleeved on the end of the second connecting portion opposite to the first connecting portion, and the second connector being threadedly connected to the second connecting portion; the first mounting portion and the circuit board are both located between the first connecting portion and the second connector, and the first mounting portion and the circuit board are connected by the cooperation of the first connector and the second connector.

4. The drive power source connection structure according to claim 3, characterized by The first mounting portion is located between the first connecting portion and the circuit board, and the second connecting member is located on the side of the circuit board away from the first mounting portion.

5. The driving power source connection structure according to claim 3, characterized by The circuit board is located between the first connecting part and the first mounting part, and the second connector is located on the side of the first mounting part away from the circuit board.

6. The driving power source connection structure according to claim 2, characterized by The circuit board has a positioning hole located between the cover portion and the first mounting hole; the first mounting portion includes a connected mounting sub-part and a positioning sub-part; the mounting sub-part protrudes from one side of the cover portion and has a second mounting hole; the positioning sub-part protrudes from the side of the mounting sub-part facing the circuit board and is located between the cover portion and the second mounting hole; the positioning sub-part passes through the positioning hole, and the cooperation between the positioning sub-part and the positioning hole allows the first mounting portion and the circuit board to be better positioned.

7. The drive power source connection structure according to claim 6, characterized by The circuit board has a first surface, a second surface, and a third surface. The first surface and the second surface are arranged opposite to each other along the thickness direction of the circuit board. The opposite ends of the third surface are respectively connected to the first surface and the second surface. The first mounting hole is arranged close to the third surface, and the positioning hole is located between the third surface and the first mounting hole. The positioning holes penetrate the first surface and the second surface respectively; the first mounting holes penetrate the first surface and the second surface respectively; or, The positioning holes penetrate the first surface, the second surface, and the third surface respectively; the first mounting holes penetrate the first surface and the second surface respectively.

8. The drive power source connection structure according to any one of claims 1 to 7, characterized in that, The cover plate also includes a second mounting part, which is bent and connected to the cover body part. The second mounting part is located on the side of the cover body part away from the first mounting part and the circuit board assembly. The second mounting part is used to install the drive power supply connection structure.

9. A drive power supply characterized by comprising: include: A housing having a receiving cavity open at one end; The drive power connection structure according to any one of claims 1-8, wherein the circuit board assembly of the drive power connection structure is located within the accommodating cavity, and the cover plate of the drive power connection structure is connected to the housing for closing the opening of the accommodating cavity.

10. An illumination device, characterized by include: A lighting source having a light-emitting surface; as well as The driving power supply according to claim 9 is disposed on the side of the illumination source away from the light-emitting surface; The circuit board assembly of the driving power supply is electrically connected to the lighting source and is used to drive the lighting source to emit light; the circuit board assembly also includes electronic components, which are disposed on the surface of the circuit board facing the lighting source.

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