Control panel for steering lamp and steering lamp
By designing through slots and contact surfaces in the turn signal control board, the connecting ends of the flexible circuit board are bonded together under force in a parallel direction, solving the problem of easy solder joint detachment and achieving a stable and reliable connection while reducing costs.
Patent Information
- Application Number
- CN202423257404.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing welding methods for turn signal control boards have problems such as high cost or unstable performance. In particular, the solder joints are prone to falling off when the FPC board is folded or pulled. Furthermore, the crimping method requires specially designed terminals and tools, which increases manufacturing costs.
A first contact surface with through slots and solder joints is designed on a rigid circuit board. The connecting end of the flexible circuit board is subjected to force in a parallel direction and adheres to the contact surface to avoid damage to the solder joints by vertical stress. At the same time, a detachable shell structure is adopted to reduce production costs.
It improves the mechanical strength and reliability of the weld joints, reduces production costs, simplifies the assembly and maintenance process, and ensures the stability and durability of the turn signals.
Smart Images
Figure CN223744980U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile parts, and particularly relates to a control panel for a steering lamp and the steering lamp. BACKGROUND
[0002] With the continuous development of the automobile industry, the safety and functionality of vehicles have been greatly improved. As an important part of safe driving of automobiles, the steering lamp conveys the intention to other road users when the driver changes lanes and turns, which is crucial to ensuring traffic safety. The existing steering lamp mostly uses FPC board (flexible printed circuit board) and FR4 board (glass fiber reinforced epoxy resin substrate rigid printed circuit board) as the control panel. FPC board and FR4 board are usually connected in the form of flat welding or crimping, but such forms have certain limitations. Specifically, although welding has low cost, the welding points are prone to falling off under the influence of vertical stress when the FPC board is folded or pulled, resulting in performance failure; while crimping is stable in performance, it requires specially designed terminals and tools, increasing the manufacturing cost. SUMMARY
[0003] The utility model aims at the above problems existing in the prior art, and provides a control panel for a steering lamp which is stable in performance and low in production cost;
[0004] and a steering lamp which is stable in performance and low in production cost.
[0005] The utility model can be realized by the following technical scheme, a control panel for a steering lamp, comprising:
[0006] A rigid circuit board is provided with a through slot, the through slot penetrates the rigid circuit board, and the rigid circuit board is further provided with a first abutting surface, and the first abutting surface is provided with a welding point;
[0007] A flexible circuit board is provided with integrally formed first and second connecting ends, the first connecting end is welded on the welding point, and the second connecting end extends away from the rigid circuit board through the through slot; when the flexible circuit board is pulled, the first connecting end is stressed in a direction parallel to the first abutting surface and always adheres to the first abutting surface.
[0008] In the control panel for a steering lamp, the through slot is below the welding point and perpendicular to the first abutting surface.
[0009] In the control panel for a steering lamp, the rigid circuit board is further provided with a notch, the notch is recessed along the edge of the rigid circuit board towards the through slot, and the second connecting end can pass through the notch.
[0010] In the control panel for the turn signal lamp, the rigid circuit board further comprises a second abutting surface, the second abutting surface is arranged opposite to the first abutting surface, and the first abutting surface and the second abutting surface are both provided with a protective coating, and the protective coating extends into the through slot and the notch.
[0011] In the control panel for the turn signal lamp, the rigid circuit board further comprises a second abutting surface, the second abutting surface is arranged opposite to the first abutting surface, and the first abutting surface and the second abutting surface are both provided with a protective coating, and the protective coating extends into the through slot and the notch.
[0012] In the control panel for the turn signal lamp, the rigid circuit board further comprises a second abutting surface, the second abutting surface is arranged opposite to the first abutting surface, and the first abutting surface and the second abutting surface are both provided with a protective coating, and the protective coating extends into the through slot and the notch.
[0013] In the control panel for the turn signal lamp, the rigid circuit board further comprises a second abutting surface, the second abutting surface is arranged opposite to the first abutting surface, and the first abutting surface and the second abutting surface are both provided with a protective coating, and the protective coating extends into the through slot and the notch.
[0014] In the control panel for the turn signal lamp, the rigid circuit board further comprises a second abutting surface, the second abutting surface is arranged opposite to the first abutting surface, and the first abutting surface and the second abutting surface are both provided with a protective coating, and the protective coating extends into the through slot and the notch.
[0015] In the control panel for the turn signal lamp, the rigid circuit board further comprises a second abutting surface, the second abutting surface is arranged opposite to the first abutting surface, and the first abutting surface and the second abutting surface are both provided with a protective coating, and the protective coating extends into the through slot and the notch.
[0016] In the control panel for the turn signal lamp, the rigid circuit board further comprises a second abutting surface, the second abutting surface is arranged opposite to the first abutting surface, and the first abutting surface and the second abutting surface are both provided with a protective coating, and the protective coating extends into the through slot and the notch.
[0017] Compared with the prior art, the beneficial effects of the utility model are that: through setting a through slot penetrating through the rigid circuit board and a first abutting surface with a welding point on the rigid circuit board, and welding the first connecting end of the flexible circuit board on the welding point and extending the second connecting end through the through slot in the direction away from the rigid circuit board, when pulling the flexible circuit board, the first connecting end is stressed in the direction parallel to the first abutting surface and always adheres to the first abutting surface. The design makes the first connecting end stretch in the direction parallel to the first abutting surface when stressed and adhere to the first abutting surface, effectively avoids the damage of the perpendicular stress to the welding point, and avoids the risk of performance failure caused by the traditional welding in the FPC plate overturning. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1It is a structure schematic view of the control panel in the embodiment of the utility model.
[0019] Figure 2 For Figure 1 The enlarged view at A in the embodiment of the utility model.
[0020] Figure 3 It is a structure schematic view of the rigid circuit board in the embodiment of the utility model.
[0021] Figure 4 It is a structure schematic view of the turn signal in the embodiment of the utility model.
[0022] Figure 5 It is an exploded view of the turn signal in the embodiment of the utility model.
[0023] In all the drawings, same reference signs represent same technical features, specifically: 100, rigid circuit board;110, through slot;120, first abutting surface;130, notch;140, second abutting surface;150, clamping portion;200, flexible circuit board;210, first connecting end;220, second connecting end;221, through hole;300, upper shell cover;400, lower shell cover;410, mounting groove;420, clamping groove;430, protrusion;440, clamping structure;500, limiting piece;510, buckle. DETAILED DESCRIPTION
[0024] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.
[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.
[0026] As Figures 1 to 3 shown, a control panel for a turn signal, comprising:
[0027] A rigid circuit board 100, the rigid circuit board 100 is provided with a through slot 110, the through slot 110 penetrates the rigid circuit board 100, and the rigid circuit board 100 is further provided with a first abutting surface 120, the first abutting surface 120 has a welding point position;
[0028] The flexible circuit board 200 includes a first connecting end 210 and a second connecting end 220 which are integrally formed, the first connecting end 210 is welded on the welding point, and the second connecting end 220 extends through the through slot 110 in the direction away from the rigid circuit board 100; when the flexible circuit board 200 is pulled, the first connecting end 210 is stressed in the direction parallel to the first abutting surface 120 and is always attached to the first abutting surface 120. Compared with the existing control board, the design can make the first connecting end 210 stretch in the direction parallel to the first abutting surface 120 when stressed, and attach to the first abutting surface 120, thereby effectively avoiding the damage of vertical stress to the welding point, avoiding the performance failure risk caused by the traditional welding of the FPC board when it is folded, while taking into account the production cost, and ensuring the use performance of the control board.
[0029] Specifically, as shown in the drawings, Figures 1 to 3 In this embodiment, the control board includes a rigid circuit board 100 and a flexible circuit board 200, wherein the rigid circuit board 100 is an FR4 board, the flexible circuit board 200 is an FPC board, and the flexible circuit board 200 is provided with a plurality of LED lamps.
[0030] In this embodiment, the rigid circuit board 100 is in the shape of a rectangular block, and a through slot 110 is provided on the rigid circuit board 100 for the flexible circuit board 200 to pass through and change the stress direction of the first connecting end 210, and the rigid circuit board 100 is also provided with a first abutting surface 120, and the first abutting surface 120 has a welding point for realizing the connection and positioning of the rigid circuit board 100 and the flexible circuit board 200.
[0031] In this embodiment, the through slot 110 is in the shape of a straight line and is below the welding point and perpendicular to the first abutting surface 120. This design ensures that the second connecting end 220 of the FPC will not exert additional stress on the welding point when passing through the through slot 110, thereby reducing the risk of welding point failure. This makes the connection between the flexible circuit board 200 and the rigid circuit board 100 more stable and reliable, especially in the automotive environment, the turn signal control board will often be affected by vibration and impact, this design can effectively improve the durability of the system. In addition, the vertical design of the through slot 110 also makes the installation of the flexible circuit board 200 more intuitive and convenient, reducing the errors that may occur during assembly.
[0032] In this embodiment, the rigid circuit board 100 is also provided with a straight notch 130 which is recessed along the bottom edge of the rigid circuit board 100 towards the through slot 110 and can be passed through by the second connecting end 220. This design provides accommodation space for the second connecting end 220 to bend towards the first abutting surface 120 after passing through the through slot 110, avoiding friction between the flexible circuit board 200 and the inside of the shell after bending, thereby effectively improving the degree of freedom of the bending direction of the flexible circuit board 200.
[0033] It is worth mentioning that in the embodiment, the width of the through slot 110 and the notch 130 is adapted to the width of the flexible circuit board 200, effectively avoiding the left and right shaking of the flexible circuit board 200 in the through slot 110 and the notch 130.
[0034] In the embodiment, the rigid circuit board 100 further comprises a second abutting surface 140, which is arranged opposite to the first abutting surface 120, and the first abutting surface 120 and the second abutting surface 140 are both provided with a protective coating (not shown in the figure), which extends into the through slot 110 and the notch 130. The main purpose of this design is to provide double protection for the flexible circuit board 200, ensuring that it will not be worn out due to mechanical contact or friction during use, while enhancing the durability and reliability of the entire control board.
[0035] Preferably, in the embodiment, the protective coating can be made of polyurethane, epoxy resin or other wear-resistant materials, which has good anti-wear, waterproof, dustproof and corrosion-resistant properties.
[0036] In the embodiment, the rigid circuit board 100 is also provided with a plurality of clamping portions 150 on both sides, which are arranged in a straight line along the length direction of the rigid circuit board 100. These clamping portions 150 can be used to firmly install the control board in the housing of the turn signal lamp, preventing it from loosening or shifting during use, and ensuring the stability of the electrical connection. Preferably, the clamping portion 150 can form a clamping fit with the housing, or an interference fit with the inner wall of the housing through the end of the clamping portion 150.
[0037] In the embodiment, the flexible circuit board 200 is in the form of a strip, which includes an integrally formed first connecting end 210 and a second connecting end 220. The first connecting end 210 is welded at the welding point, and the second connecting end 220 extends in the direction away from the rigid circuit board 100 through the through slot 110 and the notch 130 in sequence. Since the second connecting end 220 passes through the through slot 110, no matter which direction the flexible circuit board 200 is pulled from, the first connecting end 210 will be stressed in the direction parallel to the first abutting surface 120 and always abut the first abutting surface 120. This design effectively reduces the vertical stress at the welding point, thereby significantly reducing the risk of loosening or falling off of the welding point due to external force, and improving the mechanical strength and reliability of the welding point.
[0038] As Figures 1 to 5As shown, the utility model also provides a kind of steering lamp, the steering lamp includes the casing with one accommodating cavity, and the accommodating cavity is detachably installed with above-mentioned control panel. The design effectively guarantees the use performance of steering lamp, also reduces the production cost of steering lamp whole. In addition, the detachable design of casing and control panel, also make that user or maintenance personnel can easily dismantle and replace control panel, reduce maintenance cost and time.
[0039] In the embodiment, the shell includes split design upper shell cover 300 and lower shell cover 400, and the upper shell cover 300 and the lower shell cover 400 are detachably connected by the buckle structure, and cooperate to form the accommodating cavity. Preferably, the upper shell cover 300 and the lower shell cover 400 are arc-shaped strips. The design realizes the efficient disassembly of the steering lamp, greatly simplifies the production and maintenance process.
[0040] In the embodiment, the lower shell cover 400 is provided with a strip-shaped mounting groove 410 matched with the size of the flexible circuit board 200, which extends along the length direction of the lower shell cover 400 and can limit the transverse movement of the flexible circuit board 200. The design not only provides positioning for the installation of the flexible circuit board 200, but also effectively avoids the transverse movement of the flexible circuit board 200 after installation, ensuring the stable and reliable connection of the flexible circuit board 200 with the rigid circuit board 100.
[0041] In the embodiment, one end of the mounting groove 410 is provided with a clamping groove 420 detachably connected with the rigid circuit board 100, and the other end has a protrusion 430 detachably connected with the second connecting end 220, and the second connecting end 220 is provided with a through hole 221 connected with the protrusion 430. Preferably, the rigid circuit board 100 is detachably clamped into the clamping groove 420, and the clamping portion 150 of the rigid circuit board 100 abuts against the inner wall of the clamping groove 420 and forms an interference fit. The design ensures the stability and reliability of the connection between the control panel and the shell, improves the overall performance of the steering lamp, and makes the disassembly of the control panel more convenient, effectively reducing the assembly time and cost.
[0042] In the embodiment, the two sides of the mounting groove 410 are provided with clamping structures 440 extending vertically away from the mounting groove 410, and a limiting piece 500 is further arranged between the upper shell cover 300 and the lower shell cover 400. The limiting piece 500 is arc-shaped and shorter than the upper shell cover 300 and the lower shell cover 400, and is detachably connected with the clamping structure 440 through a buckle 510, and abuts against the side of the flexible circuit board 200 facing the upper shell cover 300. The design can effectively protect the flexible circuit board 200 from external pressure or impact, and enhance the protection performance of the whole steering lamp. In addition, the installation stability and reliability of the flexible circuit board 200 are further improved.
[0043] It should be noted that in the present application, the description of "first", "second", "one" and the like are only used for the purpose of description and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited. The terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0044] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.
[0045] The specific embodiments described herein are merely illustrative of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.
Claims
1. A control panel for a turn signal, characterized in that, The utility model relates to a control board, which comprises a rigid circuit board and a flexible circuit board. The rigid circuit board is provided with a through slot, which penetrates the rigid circuit board, and a first abutting surface, which is provided with a soldering point. The flexible circuit board comprises integrally formed first and second connecting ends.
2. A control panel for a turn signal according to claim 1, characterized in that The first connecting end is soldered on the soldering point, and the second connecting end extends through the through slot in a direction away from the rigid circuit board.
3. A control panel for a turn signal according to claim 2, wherein, When the flexible circuit board is pulled, the first connecting end is stressed in a direction parallel to the first abutting surface and always adheres to the first abutting surface.
4. A control panel for a turn signal according to claim 3, wherein The through slot is below the soldering point and perpendicular to the first abutting surface.
5. A control panel for a turn signal according to claim 1, wherein, The rigid circuit board is further provided with a notch, which is recessed along the edge of the rigid circuit board towards the through slot and allows the second connecting end to pass through.
6. A turn signal, characterized in that The rigid circuit board further comprises a second abutting surface, which is arranged opposite to the first abutting surface.
7. A direction indicator according to claim 6, wherein The first and second abutting surfaces are both provided with a protective coating, which extends into the through slot and the notch.
8. A turn signal according to claim 7, characterized in that The rigid circuit board is further provided with a plurality of clamping portions on both sides.
9. A turn signal according to claim 8, wherein The utility model relates to a control board, which comprises a rigid circuit board and a flexible circuit board.
10. A turn signal according to claim 8, wherein The control board is installed in a housing, which has a containing cavity. The housing comprises an upper shell cover and a lower shell cover, which are detachably connected and cooperatively form the containing cavity. The lower shell cover is provided with a mounting groove, which is adapted to the size of the flexible circuit board, extends along the length of the lower shell cover, and limits the transverse movement of the flexible circuit board. One end of the mounting groove is provided with a clamping groove, which is detachably connected to the rigid circuit board, and the other end is provided with a protrusion, which is detachably connected to the second connecting end. The second connecting end is provided with a through hole, which is connected to the protrusion. The mounting groove is provided with clamping structures on both sides, and the upper shell cover and the lower shell cover are further provided with limiting members, which are detachably connected to the clamping structures and abut against the side of the flexible circuit board facing the upper shell cover.