Flexible circuit board of LED headlamp of new energy automobile

Through the design of limit and strengthening mechanism, the problem of structural instability and insufficient strength of flexible circuit boards in LED headlights of new energy vehicles is solved, and stable installation and structural strength are achieved.

CN223242693UActive Publication Date: 2025-08-19CHANGZHOU JIANGDING PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422668904.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-08-19
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The flexible circuit boards of existing new energy vehicle LED headlights are unstable during installation, and are prone to cracking due to shaking, and are insufficient in flexibility, low structural strength, and easy to damage.

Method used

By setting up a limiting mechanism and a reinforcement mechanism, the limiting mechanism includes a lower fixing rod, a fixing cylinder, a barrier ring and a slot, etc., to ensure the stable installation of the circuit board; the reinforcement mechanism includes an insulating reinforcement belt, a reinforcement membrane and a fixing cover, etc., to improve structural strength.

Benefits of technology

The flexible circuit board is stable to avoid damage due to insolid connections, and significantly improve structural strength and usability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit boards, and discloses a flexible circuit board of an LED headlamp of a new energy automobile, which comprises a mounting shell and a circuit board body, the mounting shell is provided with a limiting mechanism, the circuit board body is provided with a reinforcing mechanism, the upper end face of the circuit board body is provided with empty holes close to four corners, and the upper end face of the circuit board body is provided with a fixing mechanism. The limiting mechanism comprises a plurality of lower fixing rods and a plurality of fixing cylinders, the multiple lower fixing rods are fixedly connected to the front and back positions of the two sides of the inner wall of the lower end of the mounting shell correspondingly, and the multiple fixing cylinders are fixedly arranged at the front and back positions of the two sides of the interior of the mounting shell in a sleeving mode; the positions, close to the upper portions, of the outer walls of the multiple lower fixing rods are fixedly sleeved with lower blocking rings. According to the utility model, the purpose of stably limiting the circuit board body in the installation shell can be achieved through the arranged limiting mechanism, the situation that the overall use is affected due to infirm connection is avoided, and the structural strength of the device can be greatly improved and the usability can be improved through the arranged reinforcing mechanism.
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Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, and in particular to a flexible circuit board for an LED headlamp of a new energy vehicle. Background Art

[0002] New energy vehicles utilize electricity to propel their motors, generating no pollutants and meeting environmental standards. As a pollution-free means of transportation, new energy vehicles have been vigorously promoted by the government and are increasingly being used and recognized by the public. LED lights offer the advantages of low power consumption and high brightness, so headlights on new energy vehicles use LEDs as a lighting source. To meet the demands of both styling and lightweight design, flexible circuit boards (FPCBs) are typically used for wiring within LED headlights. These FPCBs are a crucial component of LED headlights, offering flexibility and flexibility, meeting the wiring requirements of the headlight's design and structure.

[0003] Existing circuit boards are structurally unstable during installation, susceptible to vibration, resulting in vibration and cracking, which in turn affects their usability. Furthermore, flexible circuit boards lack sufficient toughness and structural strength, making them prone to tearing and damage. Therefore, those skilled in the art have provided a flexible circuit board for new energy vehicle LED headlights to address the issues raised in the background art. Utility Model Content

[0004] The purpose of the present utility model is to address the shortcomings of the prior art and to propose a flexible circuit board for a new energy vehicle LED headlamp. The limiting mechanism provided can stably restrict the circuit board body within the mounting housing to avoid affecting the overall use due to loose connections. The reinforcing mechanism provided can greatly improve the structural strength of the device and enhance its usability.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A flexible circuit board for a new energy vehicle LED headlamp comprises a mounting housing and a circuit board body. The mounting housing is provided with a limit mechanism, the circuit board body is provided with a reinforcement mechanism, and the upper end surface of the circuit board body is provided with holes near the four corners.

[0007] The locking mechanism comprises a plurality of lower fixing rods and a plurality of fixing cylinders, each of the plurality of fixing rods being fixedly connected to the front and rear ends of the inner wall of the lower end of the mounting shell, the plurality of fixing cylinders being fixedly sleeved on the front and rear ends of the inner wall of the mounting shell, the plurality of outer walls of the plurality of fixing rods being fixedly sleeved on the upper ends of the plurality of lower blocking rings, the upper end surfaces of the plurality of fixing cylinders being clamped with a limiting slot, the upper end surfaces of the plurality of fixing cylinders being opened with a movable hole, the plurality of movable plates being movably provided in the movable holes, the lower ends of the plurality of movable plates being fixedly connected to the upper fixing rods, the lower ends of the plurality of upper fixing rods being fixedly connected to the upper blocking rings, the lower ends of the plurality of upper blocking rings being fixedly connected to the limiting clamping columns, the limiting clamping columns being clamped in the limiting slots, and the lower fixing rod being movably sleeved in the empty hole;

[0008] Through the above technical solution, when installing and using, first pull the movable plate, then place the circuit board body in the installation shell, and make the lower fixed rod sleeve in the empty hole, the movement of the movable plate drives the upper fixed rod to move synchronously, and the limit card column is engaged in the limit card groove, so that the circuit board body is contacted by the upper blocking ring and the lower blocking ring, thereby achieving the purpose of its stable installation.

[0009] Furthermore, the reinforcement mechanism includes two fixed covers, a plurality of insulation reinforcement strips and two insulation reinforcement films, wherein the plurality of insulation reinforcement strips are respectively fixedly connected to the front and rear ends of the upper and lower end surfaces of the circuit board body, and the two insulation reinforcement films are respectively fixedly connected to the front and rear end outer walls of the circuit board body;

[0010] Through the above technical solution, the overall structural strength of the circuit board body can be greatly improved by adding the insulation reinforcement tape and the insulation reinforcement film.

[0011] Furthermore, a plurality of the fixed covers are respectively sleeved on both sides of the circuit board body, and the fixed covers are fixedly sleeved on the insulation reinforcement tape and the insulation reinforcement film;

[0012] Through the above technical solution, the provided fixing cover can form a better binding effect between the insulation reinforcement belt and the insulation reinforcement film, making the reinforcement effect more significant.

[0013] Furthermore, the upper end surface of the movable plate is fixedly connected with a movable rod, and the movable rod is T-shaped;

[0014] Through the above technical solution, the purpose of convenient movement of the movable plate can be achieved by providing the movable rod.

[0015] Furthermore, the inner walls on both sides of the movable hole are provided with reset grooves, and a reset slide bar is fixedly connected between the upper and lower inner walls of the two reset grooves, and the outer walls of the two reset slide bars are movably sleeved with reset springs at the upper parts, and the movable plate is movably sleeved on the two reset slide bars;

[0016] Through the above technical solution, by providing the reset slide bar and the reset spring, the purpose of better reset movement can be achieved.

[0017] Furthermore, the circuit board body is arranged in contact with the upper blocking ring and the lower blocking ring;

[0018] Through the above technical solution, a better limiting effect can be achieved through the contact between the circuit board body and the lower blocking ring and the upper blocking ring.

[0019] Furthermore, the upper blocking ring and the lower blocking ring are both made of rubber;

[0020] Through the above technical solution, better protection can be achieved by the lower blocking ring and the upper blocking ring made of rubber material.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes a flexible circuit board for a new energy vehicle LED headlamp. When installing and using the flexible circuit board, first pull the moving rod, the moving plate moves under force and drives the reset spring to compress. At this time, the circuit board body is placed in the installation shell, and the lower fixed rod is sleeved in the empty hole. The moving rod is released, causing the reset spring to pop out, and the movement of the moving plate drives the upper fixed rod to move synchronously. The limit clamping column is engaged in the limit clamping groove, so that the circuit board body is contacted by the upper blocking ring and the lower blocking ring, thereby achieving the purpose of its stable installation and avoiding the problem of its unstable fixation causing damage due to bending and breaking.

[0023] 2. The flexible circuit board for a new energy vehicle LED headlamp proposed in the present invention can greatly improve the overall structural strength of the circuit board body by adding an insulating reinforcement strip and an insulating reinforcement film, and a fixing cover can form a better binding effect between the insulating reinforcement strip and the insulating reinforcement film, making the reinforcement effect more significant.

[0024] 3. The flexible circuit board of a new energy vehicle LED headlamp proposed in the present invention can stably restrict the circuit board body in the installation shell through the provided limiting mechanism, thereby preventing the overall use from being affected by loose connections, and the provided reinforcing mechanism can greatly improve the structural strength of the device and enhance its usability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an axonometric diagram of a flexible circuit board for a new energy vehicle LED headlamp proposed in the present invention;

[0026] Figure 2This is a front cross-sectional schematic diagram of a flexible circuit board for a new energy vehicle LED headlamp proposed in the present utility model;

[0027] Figure 3 for Figure 2 An enlarged schematic diagram of the structure at A;

[0028] Figure 4 for Figure 2 An enlarged schematic diagram of the structure at B;

[0029] Figure 5 This is an axonometric diagram of the connection between the insulation reinforcement strip and the fixing cover of a flexible circuit board of an LED headlamp for a new energy vehicle proposed in the utility model.

[0030] Legend:

[0031] 1. Install the shell; 2. Circuit board body; 3. Limiting mechanism; 301. Lower fixing rod; 302. Lower blocking ring; 303. Limiting slot; 304. Fixing cylinder; 305. Moving plate; 306. Moving rod; 307. Reset slot; 308. Reset spring; 309. Reset slide bar; 310. Moving hole; 311. Upper fixing rod; 312. Upper blocking ring; 313. Limiting column; 4. Reinforcement mechanism; 401. Insulation reinforcement tape; 402. Insulation reinforcement film; 403. Fixed cover; 5. Hole. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The present invention provides a specific embodiment: a flexible circuit board for a new energy vehicle LED headlamp, comprising a mounting housing 1 and a circuit board body 2. The mounting housing 1 is provided with a limiting mechanism 3, the circuit board body 2 is provided with a reinforcing mechanism 4, and the upper end surface of the circuit board body 2 is provided with holes 5 near the four corners.

[0034] The limiting mechanism 3 includes a plurality of lower fixing rods 301 and a plurality of fixing cylinders 304. The plurality of lower fixing rods 301 are respectively fixedly connected to the front and rear sides of the inner wall of the lower end of the mounting shell 1. The plurality of fixing cylinders 304 are fixedly sleeved on the front and rear sides of the inner wall of the mounting shell 1. The outer walls of the plurality of lower fixing rods 301 are fixedly sleeved with lower blocking rings 302. The upper end surfaces of the plurality of lower blocking rings 302 are all provided with limiting slots 303. The upper end surfaces of the plurality of fixing cylinders 304 are all provided with movable The movable hole 310 is provided with a movable plate 305 in each of the movable holes 310. The upper end surface of the movable plate 305 is fixedly connected with a movable rod 306. The shape of the movable rod 306 is T-shaped. The movable rod 306 is provided to facilitate the movement of the movable plate 305. The lower ends of the plurality of movable plates 305 are fixedly connected with an upper fixed rod 311. The lower ends of the plurality of upper fixed rods 311 are fixedly connected with an upper blocking ring 312. The lower ends of the plurality of upper blocking rings 312 are fixed. When the locking cam 305 is in the unlocking state, the locking cam 305 is locked and the locking cam 305 is locked.

[0035] Reference Figure 1 、 Figure 2 and Figure 5 The reinforcement mechanism 4 includes two fixed covers 403, multiple insulating reinforcement belts 401 and two insulating reinforcement films 402. The multiple insulating reinforcement belts 401 are respectively fixedly connected to the front and rear ends of the upper and lower end surfaces of the circuit board body 2, and the two insulating reinforcement films 402 are respectively fixedly connected to the front and rear end outer walls of the circuit board body 2. The additional insulating reinforcement belts 401 and insulating reinforcement films 402 can greatly improve the overall structural strength of the circuit board body 2. The multiple fixed covers 403 are respectively sleeved on both sides of the circuit board body 2, and the fixed covers 403 are fixedly sleeved on the insulating reinforcement belts 401 and the insulating reinforcement films 402. The setting of the fixed covers 403 can form a better binding effect between the insulating reinforcement belts 401 and the insulating reinforcement films 402, making the reinforcement effect more significant.

[0036] When the cam 305 is in the closed position, the locking cam 306 is in the closed position, and the locking cam 306 is in the closed position, so that the locking cam 305 is locked.

[0037] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions described in the aforementioned specific implementation methods or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flexible circuit board for a new energy vehicle LED headlamp, comprising a mounting housing (1) and a circuit board body (2), characterized in that: The mounting housing (1) is provided with a limiting mechanism (3), the circuit board body (2) is provided with a reinforcing mechanism (4), and the upper end surface of the circuit board body (2) is provided with holes (5) near the four corners; The limiting mechanism (3) comprises a plurality of lower fixing rods (301) and a plurality of fixing cylinders (304), wherein the plurality of lower fixing rods (301) are respectively fixedly connected to the front and rear positions of both sides of the inner wall of the lower end of the mounting shell (1), and the plurality of fixing cylinders (304) are fixedly sleeved on the front and rear positions of both sides of the interior of the mounting shell (1). The upper portions of the outer walls of the plurality of lower fixing rods (301) are all fixedly sleeved with lower blocking rings (302), and the upper end surfaces of the plurality of lower blocking rings (302) are all clamped with limiting slots (303). The upper ends of the plurality of fixing cylinders (304) are fixedly sleeved with the lower blocking rings (302). The end faces are all provided with movable holes (310), and movable plates (305) are movably arranged in the movable holes (310). The lower ends of the movable plates (305) are all fixedly connected to upper fixed rods (311), and the lower ends of the upper fixed rods (311) are all fixedly connected to upper blocking rings (312). The lower ends of the upper blocking rings (312) are all fixedly connected to limiting clamping columns (313), and the limiting clamping columns (313) are clamped and arranged in the limiting clamping grooves (303). The lower fixing rods (301) are movably sleeved in the empty holes (5).

2. The flexible circuit board for a new energy vehicle LED headlamp according to claim 1, characterized in that: The reinforcing mechanism (4) comprises two fixed covers (403), a plurality of insulating reinforcing strips (401) and two insulating reinforcing films (402). The plurality of insulating reinforcing strips (401) are respectively fixedly connected to the front and rear ends of the upper and lower end surfaces of the circuit board body (2), and the two insulating reinforcing films (402) are respectively fixedly connected to the front and rear end outer walls of the circuit board body (2).

3. The flexible circuit board for a new energy vehicle LED headlamp according to claim 2, characterized in that: The plurality of fixed covers (403) are respectively sleeved on both sides of the circuit board body (2), and the fixed covers (403) are fixedly sleeved on the insulation reinforcement tape (401) and the insulation reinforcement film (402).

4. The flexible circuit board for a new energy vehicle LED headlamp according to claim 1, characterized in that: The upper end surface of the movable plate (305) is fixedly connected with a movable rod (306), and the movable rod (306) is T-shaped.

5. The flexible circuit board for a new energy vehicle LED headlamp according to claim 1, characterized in that: The inner walls on both sides of the movable hole (310) are provided with reset grooves (307), and reset slide bars (309) are fixedly connected between the upper and lower inner walls of the two reset grooves (307). The outer walls of the two reset slide bars (309) are movably sleeved with reset springs (308), and the movable plate (305) is movably sleeved on the two reset slide bars (309).

6. The flexible circuit board for a new energy vehicle LED headlamp according to claim 1, characterized in that: The circuit board body (2) is arranged in contact with the upper blocking ring (312) and the lower blocking ring (302).

7. The flexible circuit board for a new energy vehicle LED headlamp according to claim 1, characterized in that: The upper blocking ring (312) and the lower blocking ring (302) are both made of rubber.