Luminous vehicle logo and manufacturing method thereof

Abstract

The invention discloses a light-emitting vehicle logo and a manufacturing method thereof.The light-emitting vehicle logo comprises a light-emitting crystal body and an electroplated decoration ring, the light-emitting crystal body is fixedly connected with an opponent piece through screws, the light-emitting crystal body comprises a mask, a diffusion plate, a PCBA board, a shell and a wire harness, and the diffusion plate comprises a light uniformizing part and a light blocking part; the inner surface of the mask and the shell are fixedly connected with the light blocking part through glue; the PCBA board is fixed on the shell through a screw and is connected with a wire harness through a back wire harness connector; and the electroplated decorative ring is fixed on the opponent piece through the double-faced adhesive tape and is matched with the mask to form the appearance effect that jade is inlaid in platinum. The light-emitting car logo has the light-transmitting function of the crystal lamp, the periphery of the light-emitting car logo is provided with the high-brightness electroplated decorative ring in an auxiliary mode, the appearance effect of platinum inlaid with jade is embodied, meanwhile, the light-emitting car logo has the crystal silver light-transmitting effect in the non-lighting state and the crystal high-quality light effect in the lighting state, the brand identification degree is high, and the luxury sense of the whole light-emitting car logo is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile logos, and in particular to a luminous automobile logo and a manufacturing method thereof. Background Art

[0002] As the symbol of a car brand, the car logo is not only used for vehicle identification, but also an important embodiment of the car brand culture and has unique meaning. With the development of automobile electrification, luminous car logos have become an application trend.

[0003] Traditional car logos are mainly high-brightness electroplated silver effects. In order to achieve the high-brightness electroplated silver effect, the light-transmitting parts of the luminous car logo are mostly made of PC or PMMA materials: the patent with announcement number CN111161651B provides a luminous sign with light-transmitting function and its manufacturing method, which includes a mask group, a diffuser, an optical system, a wiring harness, a shell and other components. The inner surface of the light-transmitting component is coated with a nano-scale metal plating layer to achieve a silver appearance effect in the unlit and lit states. It has a strong plastic feel and the optical system design is complex; the publication number CN110874995A is a luminous sign with a metal surface effect and its production method, which includes a shading plate, an ePVD metal sign, a diffuser, a light guide plate, a reflective frame, a PCBA light board, a base, a reflective cavity and other components. The structural design is complex. The surface of the sign substrate is formed into a chrome film by magnetron sputtering or vacuum evaporation to achieve a high-brightness silver effect. The impact resistance of this solution to gravel and the adhesion of the coating after long-term aging need to be tested.

[0004] The present invention provides a novel luminous vehicle logo and a manufacturing method thereof, which can effectively improve the above-mentioned deficiencies. Through specific material selection, surface treatment and special structural design, the component structure is simplified and the quality and luxury of the luminous vehicle logo are improved. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a luminous car logo and a manufacturing method thereof, which has a crystal lamp light-transmitting function and a peripheral auxiliary high-brightness electroplated decorative ring, reflecting the appearance effect of platinum inlaid with jade, and at the same time has the crystal silver transparent effect in the unlit state and the crystal high-quality lighting effect in the lit state, with high brand recognition, realizing the luxury of the overall luminous car logo.

[0006] The technical problem to be solved by the present invention is achieved through the following technical solutions:

[0007] A luminous car logo, comprising: a luminous crystal body and an electroplated decorative ring, the luminous crystal body is fixedly connected to an opponent by screws, the luminous crystal body comprises: a mask, a diffuser, a PCBA board, a shell and a wiring harness, the diffuser comprises: a light-distributing part and a light-blocking part, the inner surface of the mask and the shell and the light-blocking part are fixedly connected by gluing, the PCBA board is fixed to the shell by screws and connected to the wiring harness by a back wiring harness connector; the electroplated decorative ring is fixed to the opponent by double-sided tape and matches the mask to form an appearance effect of platinum inlaid with jade.

[0008] Preferably, in the above technical solution, the luminous car logo also includes a buffer pad, which is arranged between the luminous crystal body and the opponent piece to reduce abnormal noise generated during vibration.

[0009] Preferably, in the above technical solution, the mask includes surface A and surface B, wherein surface A is composed of several crystal facets, reflecting the static crystal effect, and surface B is composed of a light-transmitting part and a light-shielding part, and reflects the brand logo; the material of the mask is crystal glass, with a refractive index ≥1.5, the light-transmitting part of surface B contains a nano-level alloy metal coating, reflecting a high-gloss silver effect, and the light-shielding part contains an opaque high-gloss black paint layer; the nano-level alloy metal coating is realized by a PVD vacuum plating method, and the coating is indium-tin alloy, and the transmittance is controlled between 10% and 17% after the two layers of PVD coating are superimposed. Surface B first uses a vacuum plating nano-level indium-tin alloy metal process to increase the crystal's transparency, and then laser engraves the coating of the light-shielding area, sprays a high-gloss black paint layer on the whole, and then laser engraves the black paint layer of the light-transmitting area, and finally vacuum-plated as a whole and sprays a protective paint layer, and its process path is PVD vacuum plating-laser engraving-high-gloss black spray paint-laser engraving-PVD vacuum plating-spray protective paint.

[0010] Preferably, in the above technical solution, the mask includes: a crystal body, a first PVD coating, a high-gloss black paint coating, a second PVD coating and a protective paint coating; wherein the first PVD coating is used to improve the initial transparency of the crystal and enhance the initial adhesion, with a thickness of 0.02um to 0.15um, the high-gloss black paint coating forms a specific pattern effect and blocks light after laser engraving, with a thickness of 5um-25um, the second PVD coating is used to provide a high-gloss silver effect for the mask, with a thickness of 0.1 to 0.3um, and the protective paint coating provides a water-resistant and corrosion-resistant protective layer for the mask 110, with a thickness of 10um-30um.

[0011] Preferably, in the above technical solution, the diffuser is located behind the mask and fits with the curved surface of the mask, and is double-material injection molded; the material of the light-evening part in the middle is milky white light-evening PC, and the material of the light-blocking part at the periphery is black PC and ABS, which can not only shield the component structure behind, but also enhance the silver effect of the crystal appearance, wherein the milky white light-evening PC has a light transmittance of 50-80%, and forms a cover downward, which is conducive to the focusing of LED particles and uniform light guidance.

[0012] Preferably, in the above technical solution, the PCBA board includes an aluminum substrate, LED particles, a circuit board, a driving circuit, and a connector. The LED particles are arranged on the circuit board at equal intervals and are greater than 2 mm away from the edge; the driving circuit and the connector are arranged on the back of the circuit board, the aluminum substrate is double-layered, and a white coating is applied on its surface, the PCBA board is 10-30 mm away from the inner surface of the diffuser plate, 5-15 mm away from the inner surface of the back shell, and 1-8 mm away from the periphery of the shell.

[0013] Preferably, in the above technical solution, the PCBA board is 5-15mm away from the inner surface of the shell on the back, and 1-8mm away from the periphery of the shell; the shell is made of PBT-GF30 material to improve the temperature resistance of the shell, the shell is injection molded, and is sealed with the diffuser plate by gluing.

[0014] Preferably, in the above technical solution, the buffer pad is a double-sided adhesive to prevent the luminous vehicle logo from making abnormal noises due to vibrations with the opponent, and the thickness of the buffer pad is 0.2-0.8 mm.

[0015] Preferably, in the above technical solution, the thickness of the electroplated decorative ring is 1-2.5 mm, the thickness of the double-sided adhesive tape is 0.5-0.8 mm, and the distance between the electroplated decorative ring and the mask is 0.1-0.5 mm. The electroplated decorative ring is injection molded, and the surface is subjected to high-gloss electroplating treatment.

[0016] A method for manufacturing a luminous vehicle logo comprises the following steps:

[0017] S1. The crystal is molded, stress relieved, CNC machine ground, and hand-finished to form the crystal body;

[0018] S2. After ultrasonic cleaning, the crystal body is PVD coated on the inner surface with a film thickness of 0.02um to 0.15um;

[0019] S3, performing laser engraving processing on the non-light-transmissive crystal body to remove the PVD coating in the non-light-transmissive area, thereby forming the crystal body and the first PVD coating;

[0020] S4, spraying high-gloss black paint on the inner surface of the crystal formed in step S3, with a film thickness of 5um-25um;

[0021] S5, performing precise laser engraving on the high-gloss black ink on the original light-transmitting PVD coating on the inner surface of the crystal formed in step S4, without damaging the first PVD coating, to form a crystal body, a first PVD coating and a high-gloss black paint coating;

[0022] S6, performing PVD coating on the inner surface of the crystal formed in step S5 to form a second PVD coating with a thickness of 0.1 to 0.3 um;

[0023] S7, spraying a protective coating on the inner surface of the crystal formed in step S6 to form a protective paint coating, thereby preparing a face mask;

[0024] S8, assembling the mask, the diffuser plate, the PCBA board, the housing, the wiring harness, and the buffer pad and sealing them with glue to obtain a luminous crystal body;

[0025] S9, assemble the luminous crystal body, the electroplated decorative ring and the counterpart to obtain the luminous car logo.

[0026] The above technical solution of the present invention has the following beneficial effects:

[0027] (1) The mask is made of crystal material, with nano-scale indium-tin alloy metal coating on the cut surface and inner surface of the specific crystal to achieve the static crystal transparency and high-brightness electroplating appearance requirements of the light-transmitting parts. At the same time, the metal coating has a light transmittance of 10%-17%, which further improves the uniformity of light emission after lighting;

[0028] (2) The lower end of the diffuser is in the form of a cover, which improves the light efficiency and achieves high uniformity of light. Combined with the reflective effect of the white coating on the aluminum substrate, it further improves the utilization rate of light energy and reduces system heat dissipation. In addition, the diffuser is fitted with the mask, and its milky white uniform light background further enhances the high-brightness electroplated silver effect of the mask coating;

[0029] (3) The luminous crystal body adopts the back-mounting process, and the electroplating decorative ring adopts the front-mounting process. The matching of the electroplating decorative ring and the luminous crystal body is not affected by the assembly size chain of the luminous crystal body, and can effectively achieve the appearance effect of platinum inlaid with jade;

[0030] (4) The luminous crystal body has a simple structural design, high optical utilization, and no optical components such as reflective bowls are developed. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

[0032] Figure 1 It is a schematic diagram of the luminous vehicle logo of the present invention.

[0033] Figure 2 Schematic diagram of the inner surface coating structure of the mask 110 of the present invention.

[0034] Among them: 100, luminous crystal body; 110, mask; 120, diffuser; 121, light-distributing part; 122, light-blocking part; 130, PCBA board; 140, shell; 150, wiring harness; 160, buffer pad; 200, electroplated decorative ring; 300, hand piece; 111, crystal body; 112, PVD coating I; 113, high-gloss black paint coating; 114, PVD coating II; 115, protective paint coating. DETAILED DESCRIPTION

[0035] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless otherwise specifically stated.

[0036] Example 1

[0037] like Figure 1 As shown, a new type of luminous car logo includes two parts, a luminous crystal body 100 and an electroplated decorative ring 200.

[0038] The luminous crystal body 100 is provided with a mask 110, a diffuser 120, a PCBA board 130, a housing 140, a wiring harness 150, and a cushion 160. The diffuser 120 contains a light-distributing part 121 and a light-blocking part 122, the PCBA board 130 is provided with an LED lamp and an LED lamp driving circuit, and the front side is coated with a white reflective coating; the inner surface of the mask 110 and the housing 140 are fixed to the light-blocking part 122 in the diffuser 120 by gluing, the PCBA board 130 is fixed to the housing 140 by screws and connected to the wiring harness 150 through the back wiring harness connector; the mask 110 includes a crystal body 111 and a first PVD coating 112, a high-gloss black paint coating 113 , a second PVD coating 114 and a protective paint coating 115, wherein the first PVD coating 112 has a thickness of 0.02um-0.15um, which improves the initial transparency of the crystal and enhances the initial adhesion, the high-gloss black paint coating 113 has a thickness of 5um-25um, which can form a specific pattern effect and block light after laser engraving, the second PVD coating has a thickness of 0.1-0.3um, which provides a high-gloss silver effect for the mask 110, and the protective paint coating 115 has a thickness of 10um-30um, which provides a water-resistant and corrosion-resistant protective layer for the mask 110.

[0039] The luminous crystal body 100 is back-mounted and fixed to the counterpart 300 by screws. The electroplated decorative ring 200 is then pasted to the counterpart 300 and matched with the mask 110 to achieve the appearance of platinum inlaid with jade.

[0040] The above-mentioned luminous logo realizes the breathing function of LED particles through vehicle PWM (pulse width modulation) control, the light transmittance of the coating is controlled at 10% to 17%, and the uniformity fluctuation range can reach 0.8-1.2.

[0041] Example 2

[0042] The manufacturing method of the luminous vehicle logo in Example 1 is as follows:

[0043] S1, the crystal is formed into a crystal body 111 through processes such as mold forming, stress relief, CNC machine grinding, and manual fine grinding;

[0044] S2, the crystal body 111 is ultrasonically cleaned and then subjected to PVD coating on the inner surface, with a film thickness of 0.02um to 0.15um;

[0045] S3, laser engraving is performed on the non-light-transmissive crystal body to remove the PVD coating in the non-light-transmissive area, thereby forming a crystal body 111 + PVD coating I 112;

[0046] S4, spraying high-gloss black paint on the inner surface of the crystal formed in step S3, with a film thickness of 5um-25um;

[0047] S5, performing laser engraving precision processing on the high-gloss black ink on the original light-transmitting PVD coating on the inner surface of the crystal formed in step S4, without damaging the PVD coating I 112, to form a crystal body 111 + PVD coating I 112 + high-gloss black paint coating 113;

[0048] S6, performing PVD coating on the inner surface of the crystal formed in step S5 to form a PVD coating layer II 114 with a film thickness of 0.1 to 0.3 um;

[0049] S7 spraying a protective coating on the inner surface of the crystal formed in step S6 to form a protective paint coating 115, thereby preparing a mask 110;

[0050] S8, assembling the mask 110, the diffuser plate 120, the PCBA board 130, the housing 140, the wiring harness 150, and the buffer pad 160 and sealing them with glue to obtain the luminous crystal body 100;

[0051] S9. Assemble the luminous crystal body 100, the electroplated decorative ring 200 and the counterpart 300 to obtain a new luminous car logo.

[0052] The technical solution of the present invention brings the following advantages:

[0053] 1. The present invention realizes the static crystal clear feeling of the luminous car logo and the high-brightness electroplating appearance requirements of the light-transmitting parts through specific material selection and process processing;

[0054] 2. The present invention adopts a diffuser plate with a special structural design, which not only improves the light efficiency, but also achieves high uniformity of light, and utilizes its milky white uniform light background to enhance the high-brightness electroplated silver effect of the mask coating;

[0055] 3. The present invention adopts a specific structural design to achieve the appearance effect of a luminous car logo inlaid with platinum and jade;

[0056] 4. The present invention has a simple structural design, high optical utilization rate, and no development of optical components such as reflective bowls, thereby reducing the development cost of optical mold parts.

[0057] Although the present invention has been disclosed as above by the embodiments, it is not intended to limit the present invention. Any person skilled in the art may make various choices and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention is limited by the claims and their equivalents.

Claims

1. A luminous vehicle logo, characterized in that: include: A luminous crystal body (100) and an electroplated decorative ring (200), wherein the luminous crystal body (100) is fixedly connected to an opponent (300) by screws, the luminous crystal body (100) comprises: a mask (110), a diffuser (120), a PCBA board (130), a shell (140) and a wiring harness (150), the diffuser (120) comprises: a light-distributing part (121) and a light-blocking part (122), the inner surface of the mask (110) and the shell (140) and the light-blocking part (122) are fixedly connected by gluing, the PCBA board (130) is fixed to the shell (140) by screws and is connected to the wiring harness (150) by a back wiring harness connector; the electroplated decorative ring (200) is fixed to the opponent (300) by double-sided adhesive tape and matches the mask (110) to form an appearance effect of platinum inlaid with jade.

2. The luminous vehicle logo according to claim 1, characterized in that: The luminous vehicle logo also includes a buffer pad (160), which is arranged between the luminous crystal body (100) and the opponent (300) and is used to reduce abnormal noise generated during vibration.

3. The luminous vehicle logo according to claim 1, characterized in that: The face mask (110) comprises an A surface and a B surface, wherein the A surface is composed of a plurality of crystal facets, and the B surface is composed of a light-transmitting portion and a light-shielding portion; the material of the face mask (110) is crystal glass, with a refractive index of ≥1.5; the light-transmitting portion of the B surface contains a nano-scale alloy metal coating, and the light-shielding portion contains an opaque high-gloss black paint layer; the nano-scale alloy metal coating is achieved by a PVD vacuum coating method, and the coating uses an indium tin alloy, and the light transmittance is controlled to be between 10% and 17% after the two layers of PVD coating are superimposed.

4. The luminous vehicle logo according to claim 1, characterized in that: The mask (110) comprises: a crystal body (111), a first PVD coating (112), a high-gloss black paint coating (113), a second PVD coating (114) and a protective paint coating (115); wherein the first PVD coating (112) is used to improve the initial transparency of the crystal and enhance the initial adhesion, and has a thickness of 0.02um to 0.15um; the high-gloss black paint coating (113) forms a specific pattern effect and blocks light after laser engraving, and has a thickness of 5um to 25um; the second PVD coating (114) is used to provide a high-gloss silver effect for the mask (110), and has a thickness of 0.1 to 0.3um; the protective paint coating (115) provides a water-resistant and corrosion-resistant protective layer for the mask 110, and has a thickness of 10um to 30um.

5. The luminous vehicle logo according to claim 1, characterized in that: The diffusion plate (120) is located behind the mask (110) and fits the curved surface of the mask (110) through double injection molding; the light-evening portion (121) located in the middle is made of milky white light-evening PC, and the light-blocking portion (122) located at the periphery is made of black PC and ABS, wherein the milky white light-evening PC has a light transmittance of 50-80%.

6. The luminous vehicle logo according to claim 1, characterized in that: The PCBA board (130) comprises an aluminum substrate, LED particles, a circuit board, a drive circuit, and a connector. The LED particles are arranged on the circuit board at equal intervals and are more than 2 mm away from the edge. The drive circuit and the connector are arranged on the back of the circuit board. The aluminum substrate is double-layered and has a white coating on its surface. The PCBA board (130) is spaced 10-30 mm from the inner surface of the diffusion plate (120).

7. The luminous vehicle logo according to claim 1, characterized in that: The PCBA board (130) is 5-15 mm away from the inner surface of the shell (140) at the back, and 1-8 mm away from the periphery of the shell (140); the shell (140) is made of PBT-GF30 material and is injection molded.

8. The luminous vehicle logo according to claim 1, characterized in that: The thickness of the electroplated decorative ring (200) is 1-2.5 mm, the thickness of the double-sided adhesive tape is 0.5-0.8 mm, and the distance between the electroplated decorative ring (200) and the mask is 0.1-0.5 mm.

9. The method for manufacturing a luminous vehicle logo according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1, the crystal is molded, stress-relieved, CNC machine-ground, and hand-finished to form a crystal body (111); S2, the crystal body (111) is ultrasonically cleaned and then subjected to PVD coating on the inner surface, with a film thickness of 0.02um to 0.15um; S3, performing laser engraving processing on the non-light-transmissive crystal body (111), removing the PVD coating layer in the non-light-transmissive area, and forming the crystal body (111) and the first PVD coating layer (112); S4, spraying high-gloss black paint on the inner surface of the crystal formed in step S3, with a film thickness of 5um-25um; S5, performing precise laser engraving processing on the high-gloss black ink on the original light-transmitting PVD coating on the inner surface of the crystal formed in step S4, without damaging the first PVD coating (112), to form a crystal body (111), a first PVD coating (112) and a high-gloss black paint coating (113); S6, performing PVD coating on the inner surface of the crystal formed in step S5 to form a second PVD coating layer (114) with a film thickness of 0.1 to 0.3 um; S7, spraying a protective coating on the inner surface of the crystal formed in step S6 to form a protective paint coating (115), thereby preparing a mask (110); S8, assembling the mask (110), the diffuser plate (120), the PCBA board (130), the housing (140), the wiring harness (150), and the buffer pad (160), and sealing them with glue to obtain a luminous crystal body (100); S9, assembling the luminous crystal body (100), the electroplated decorative ring (200) and the counterpart (300) to obtain a luminous vehicle logo.

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