Car roof with ambient lighting

Abstract

The present invention discloses a car roof with an atmosphere light, which relates to the technical field of car roofs, wherein the car roof with the atmosphere light comprises a roof body, a shielding plate and an atmosphere light assembly; the ceiling body is provided with a groove, and the width of the groove is gradually increased from the bottom of the groove to the direction of the groove opening; the shielding plate is installed at the groove opening of the groove, and a gap is formed between the outer edge of the shielding plate and the groove; the atmosphere light assembly comprises a light source part, which is arranged in the groove, and the light emitted by the light source part can be reflected from the inner wall of the groove and pass through the gap; the non-direct light emitted by the light source part in the technical solution provided by the present invention is reflected from the inner wall of the groove and then passes through the gap to emit light, so as to avoid the problem of glare of the atmosphere light caused by direct viewing of people, and the light is not affected by the fabric of the ceiling body, and receives as much light as possible emitted by the light source part at various angles for reflection, providing a good lighting effect.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile ceilings, and in particular to an automobile ceiling with an atmosphere light. Background Art

[0002] With the rapid adoption of new energy vehicles in recent years, people are increasingly demanding a luxurious and technologically advanced interior. Ambient lighting is a lighting system used in modern vehicles to enhance the interior ambiance. It not only provides functional illumination to enhance the sense of luxury and technology, but more importantly, it enhances the driving experience by creating a comfortable lighting environment. Ambient lighting has become an essential part of automotive décor.

[0003] Among them, the ambient lights in the interior ceiling area are also receiving more and more attention and attention. The ceiling, also known as the roof lining or roof tarpaulin, is the covering material on the top of the vehicle's interior. It uses fabric, microfiber, leather and other materials. The ambient lights on the ceiling are generally long in size. The commonly used installation structure is to install the ambient lights directly on the mounting bracket on the back of the ceiling. This installation method is to transmit light through the ceiling's exterior fabric. This installation method has high requirements on the light transmittance of the fabric, and is prone to uneven brightness and glare caused by looking directly at the light source.

[0004] Therefore, how to improve the lighting effect of the ambient light is an urgent problem to be solved by people in this field. Summary of the Invention

[0005] The main purpose of the present invention is to provide a car roof with an ambient light, aiming to improve the lighting effect of the ambient light.

[0006] To achieve the above-mentioned purpose, the car ceiling with atmosphere light proposed in the present invention includes a ceiling body, a shielding plate and an atmosphere light assembly; the ceiling body is provided with a groove, and the width of the groove is gradually increased from the bottom of the groove to the groove mouth; the shielding plate is installed at the groove mouth, and a gap is formed between the outer edge of the shielding plate and the groove; the atmosphere light assembly includes a light source component, which is arranged in the groove, and the light emitted by the light source component can be reflected by the inner wall of the groove and pass through the gap.

[0007] In one embodiment, the atmosphere lamp assembly also includes a light source seat and a light-transmitting ring; the light source seat is fixedly connected to the baffle plate, and the light source seat is provided with a first convex ring and a second convex ring arranged on the outside of the first convex ring along the direction away from the baffle plate; the light-transmitting ring is sleeved on the light source seat and is located on the side of the second convex ring away from the first convex ring, and a buckle is provided on the outer peripheral side of the light-transmitting ring, and the material of the buckle is light-transmitting, and the buckle passes over the second convex ring to engage with the first convex ring, and the buckle and the outer wall of the light source seat, the first convex ring and the second convex ring define a placement cavity for placing the light source component.

[0008] In one embodiment, two sides of the light source component are respectively pressed against the first convex ring and the second convex ring to clamp and fix the first convex ring and the second convex ring.

[0009] In one embodiment, a supporting portion is provided on the light source seat in a direction facing the ceiling body, and the supporting portion is in contact with the ceiling body.

[0010] In one embodiment, the ambient light assembly is disposed on the shielding plate;

[0011] The automobile roof with ambient light also includes a connecting component for detachably connecting the shielding plate to the roof body.

[0012] In one embodiment, the connecting assembly includes a mounting bracket, a connecting member and a clamping member; the mounting bracket is located in the groove and is fixedly arranged on the inner wall of the groove, one of the shielding plate and the mounting bracket is a first mating portion, and the other is a second mating portion; the connecting member is arranged in the first mating portion; the clamping member is arranged in the second mating portion for clamping with the connecting member, and when the connecting member and the clamping member are clamped together, the first mating portion and the second mating portion are fixedly connected, and when the connecting member and the clamping member are separated, the first mating portion and the second mating portion are separated from each other.

[0013] In one embodiment, a mounting hole is provided on the end face of the second matching portion facing the first matching portion, and the mounting hole has a first end face facing the first matching portion and a second end face away from the first matching portion; the connecting member passes through the mounting hole and is arranged in a stepped manner to form a step surface arranged towards the first matching portion on one side of the second end face of the second matching portion; the holding member includes two holding units, and the two holding units are respectively arranged on both sides along the axial direction of the mounting hole, and each holding unit includes an abutting portion and a limiting portion; the abutting portion is arranged on the first end face; the limiting portion is fixedly connected to the abutting portion, and the limiting portion is arranged through the mounting hole; wherein, the two limiting portions in the two holding units are gradually approached in a direction away from the first matching portion to abut against the step surface, so that the first matching portion and the second matching portion are pressed against each other and press the abutting portion.

[0014] In one embodiment, the light source includes a light guide bar and a lamp holder; the light guide bar is arranged at the edge of the baffle and close to the gap; the lamp holder is arranged at both ends of the light guide bar to emit light.

[0015] In one embodiment, the ambient light assembly is fixedly connected to a shielding plate, and the shielding plate is an automobile air outlet panel.

[0016] In one embodiment, the groove wall surface of the groove is coated with a reflective coating.

[0017] The technical solution of the present invention blocks the direct light emitted by the light source through a baffle, and the indirect light emitted by the light source is reflected by the inner wall of the groove and then shines through the gap to avoid the problem of glare of the atmosphere light caused by direct vision of people. The light is not affected by the fabric of the ceiling body and is a direct reflection of the light of the atmosphere light component itself. The width of the groove is set to change to receive as much light as possible from various angles of the light source for reflection, providing a good lighting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the disassembled structure of an embodiment of a car ceiling with an ambient light provided by the present invention;

[0020] Figure 2 for Figure 1 A front view of the structure after the ambient light assembly and the shielding member are installed;

[0021] Figure 3 for Figure 1 Schematic diagram of the disassembled structure of the ambient light assembly;

[0022] Figure 4 for Figure 3 A schematic cross-sectional view of the structure after the ambient light assembly is installed;

[0023] Figure 5 for Figure 1 Schematic diagram of the disassembled structure of the ambient light assembly and the shielding parts;

[0024] Figure 6 for Figure 5 A schematic cross-sectional view of the structure after the ambient light assembly and the shielding member are installed;

[0025] Figure 7 for Figure 1 Schematic diagram of the disassembly of the middle ceiling body and the shielding parts;

[0026] Figure 8 for Figure 1 A schematic cross-sectional view of the structure of the car roof with ambient lighting after installation;

[0027] Figure 9 for Figure 1 Schematic diagram of the structure of the connected components.

[0028] Description of Figure Numbers:

[0029] 100. Car roof with ambient light; 1. Ceiling body; 11. Groove; 2. Shielding plate; 3. Ambient light assembly; 31. Light source; 32. Light source seat; 321. First convex ring; 322. Second convex ring; 323. Abutment portion; 33. Light-transmitting ring; 331. Buckle; 4. Connecting assembly; 41. Mounting bracket; 42. Connecting member; 43. Holding member; 431. Abutment portion; 432. Limiting portion; 433. Reinforcement portion.

[0030] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] With the rapid adoption of new energy vehicles in recent years, demand for a luxurious and technologically advanced interior has intensified. Interior ambient lighting is a lighting system used in modern vehicles to enhance the interior ambiance. It not only provides functional lighting and enhances the sense of luxury and technology, but more importantly, it creates a comfortable lighting environment to enhance the driving experience. Interior ambient lighting has become an essential component of automotive décor, with the interior ceiling area receiving increasing attention and attention. The ceiling, also known as the headliner or roof tarpaulin, is the covering material for the top of the vehicle's interior, made of materials such as fabric, microfiber, and leather. Ceiling ambient lighting is typically long, and a common mounting arrangement involves mounting the ambient light directly on the back of the ceiling using a mounting bracket. This method, however, requires high light transmission from the ceiling fabric, and can easily lead to uneven brightness and glare from direct viewing of the light source.

[0035] For example, the patent with publication number CN116022062A provides a hidden ceiling atmosphere light and a vehicle, which transmits light through the ceiling fabric. It has high requirements on the light transmittance of the fabric, which can easily cause uneven brightness and glare when looking directly at the light source.

[0036] Based on this, the present invention proposes a car ceiling 100 with an ambient light. Figure 1 and Figure 2 In one embodiment of the present invention, a car ceiling 100 with an ambient light includes a ceiling body 1, a shielding plate 2, and an ambient light assembly 3; the ceiling body 1 is provided with a groove 11, the width of the groove 11 gradually increasing from the bottom of the groove 11 toward the groove opening; the shielding plate 2 is installed at the groove opening of the groove 11, and a gap is formed between the outer edge of the shielding plate 2 and the groove 11; the ambient light assembly 3 includes a light source 31, which is arranged in the groove 11, and the light emitted by the light source 31 can be reflected by the inner wall of the groove 11 and pass through the gap.

[0037] The technical solution of the present invention blocks the direct light emitted by the light source 31 through the baffle 2. The indirect light emitted by the light source 31 is reflected by the inner wall of the groove 11 and then shines through the gap to avoid the problem of glare of the ambient light caused by direct vision of people. The light is not affected by the fabric of the ceiling body 1 and is a direct reflection of the light of the ambient light component 3 itself. The width of the groove 11 is changed to receive as much light as possible from various angles of the light source 31 for reflection, thereby providing a good lighting effect.

[0038] Specifically, the width of the groove 11 is gradually increased from the bottom of the groove 11 toward the groove mouth to form an arcuate surface, a trapezoidal surface or an inner wall surface of other shapes to increase the area illuminated by light and reflect as much light as possible.

[0039] Among them, the gradually increasing setting can be a step-by-step increase or a gradual increase. In one embodiment, the groove 11 is formed with an arc segment and a fixed segment along the direction from the bottom of the groove 11 to the groove mouth. The width dimension of the groove 11 in the fixed segment is greater than the maximum width dimension of the arc segment and remains unchanged, so as to form a step surface at the connection between the two sections for placing and fixing the baffle 2, and a part of the baffle 2 is placed on the step surface for support, and a part is staggered from the step surface to form a gap; in another embodiment, the groove 11 forms an arc surface, and a fixing device is provided on the inner wall of the groove 11 to place and fix the baffle 2.

[0040] Furthermore, when the shielding plate 2 is installed in the notch of the groove 11 , the end surface of the shielding plate 2 facing away from the groove 11 is flush with the end surface of the ceiling body 1 to ensure the overall aesthetics.

[0041] See also Figure 3 and Figure 4 ,in, Figure 4 for Figure 2 In the cross-sectional view at point B, in an embodiment of the present invention, the atmosphere lamp assembly 3 also includes a light source seat 32 and a light-transmitting ring 33; the light source seat 32 is fixedly connected to the baffle plate 2, and the light source seat 32 is provided with a first convex ring 321 and a second convex ring 322 arranged on the outside of the first convex ring 321 along the direction away from the baffle plate 2; the light-transmitting ring 33 is sleeved on the light source seat 32 and is located on the side of the second convex ring 322 away from the first convex ring 321, and a buckle 331 is provided on the outer peripheral side of the light-transmitting ring 33, and the material of the buckle 331 is light-transmitting, and the buckle 331 passes over the second convex ring 322 to be buckled with the first convex ring 321, and the buckle 331 and the outer wall of the light source seat 32, the first convex ring 321 and the second convex ring 322 define a placement cavity for placing the light source component 31. In this way, the light-transmitting ring 33 passes over the second protruding ring 322 and is buckled on the first protruding ring 321 to form a stable placement cavity. The light emitted by the light source 31 passes through the buckle 331 or the light-transmitting ring 33 and hits the inner wall of the groove 11 for reflection, and then emits from the gap. The placement cavity is used to protect the light source 31 so that the light source 31 is not affected by other parts, which can effectively ensure the dimensional accuracy and lighting effect of the atmosphere lamp.

[0042] Among them, the number and shape of the clips 331 are not limited, as long as they can be stably buckled and can be defined with the outer wall of the light source seat 32, the first convex ring 321 and the second convex ring 322 to form a placement cavity for placing the light source component 31. In one embodiment, the clip 331 is an annular clip 331 that is sleeved on the transparent ring 33. The annular clip 331 extends in the direction toward the first convex ring 321. Along the direction toward the first convex ring 321, the radius of the annular clip 331 first gradually increases to a radius size larger than the first convex ring 321, and then gradually decreases to a radius size smaller than the first convex ring 321 for stable buckling.

[0043] In addition, the material selection of the buckle 331 needs to consider the mechanical strength, flexibility, light transmittance and processing feasibility of the material. It can be a light-transmitting material such as polycarbonate, acrylic resin, polymethylpentene, etc. When designing the size change, factors such as the elastic modulus and wall thickness distribution of the material should be considered to ensure sufficient clamping force and durability.

[0044] There are many ways to fix the light source holder 32 and the shielding plate 2. In one embodiment, the light source holder 32 and the shielding plate 2 are detachably connected and fixed by self-clamps and multiple self-tapping screws.

[0045] Furthermore, to ensure the installation strength, the first protruding ring 321 , the second protruding ring 322 and the light source seat 32 are integrally formed, and the buckle 331 and the light-transmitting ring 33 are integrally formed.

[0046] In the embodiment of the present invention, both sides of the light source 31 are respectively pressed against the first and second raised rings 321, 322, to clamp and secure the light source 31 between the first and second raised rings 321, 322. In this way, the light source 31 is clamped and secured between the first and second raised rings 321, 322, forming a stable sandwich structure, ensuring a secure connection of the light source 31 without loosening or unusual noise.

[0047] Furthermore, in order to further enhance the lighting effect and reduce direct light, the ambient light assembly 3 is arranged at the circumferential edge of the shielding plate 2, and the diameter of the second convex ring 322 is larger than the diameter of the first convex ring 321 to reduce the light directly emitted from the gap.

[0048] See also Figure 5 and Figure 6 , Figure 6 for Figure 2 In the cross-sectional view at point C, in this embodiment of the present invention, the light source holder 32 is provided with a supporting portion 323 facing the ceiling body 1, which abuts against the ceiling body 1. Thus, the ceiling body 1, light source holder 32, and shielding plate 2 once again form a highly stable sandwich structure. This not only protects the ambient light assembly 3 but also ensures a more secure and stable installation of the light source assembly, effectively preventing the ambient light from loosening or making unusual noises while the vehicle is in motion.

[0049] In the related art, the atmosphere light assembly 3 is often directly fixed on the back of the ceiling body 1, and the entire ceiling body 1 needs to be disassembled for maintenance and replacement, which is not conducive to the disassembly and maintenance of the atmosphere light assembly 3 on the vehicle. Based on this, in order to solve the above problem, in an embodiment of the present invention, the atmosphere light assembly 3 is arranged on the baffle 2; the car ceiling 100 with the atmosphere light also includes a connecting assembly 4 for detachably connecting the baffle 2 to the ceiling body 1. In this way, when the atmosphere light assembly 3 needs to be repaired, it can be achieved without disassembling the ceiling body 1. Only the baffle 2 can be removed to take out the atmosphere light assembly 3 for maintenance, which greatly improves the convenience of repairing the atmosphere light assembly 3.

[0050] The installation method using the mounting bracket 41 is to use hot melt adhesive to bond the mounting bracket 41 to the ceiling body 1, and the ambient light assembly 3 is directly mounted on the mounting bracket 41. This type of mounting bracket 41 will change with the deformation of the ceiling body 1, and the dimensional accuracy is difficult to ensure, which will lead to unstable installation of the ambient light assembly 3, easy loosening and deformation, uneven lighting, looseness and abnormal noise, etc. Based on this, please refer to Figure 7 and Figure 8 In this embodiment of the present invention, the connecting assembly 4 includes a mounting bracket 41, a connecting member 42, and a retaining member 43. The mounting bracket 41 is located within the recess 11 and fixedly attached to the inner wall of the recess 11. The shielding panel 2 and the mounting bracket 41 each comprise a first mating portion, and the other comprises a second mating portion. The connecting member 42 is located within the first mating portion, and the retaining member 43 is located within the second mating portion. The retaining member 43 engages with the connecting member 42. When the connecting member 42 and retaining member 43 engage, the first mating portion and the second mating portion are fixedly connected. When the connecting member 42 and retaining member 43 are separated, the first mating portion and the second mating portion separate. This arrangement greatly enhances the flexibility of the ceiling body 1 and the shielding panel 2 during installation and removal.

[0051] In one embodiment, the shielding plate 2 is the first matching portion, the mounting bracket 41 is the second matching portion, the connecting member 42 is arranged on the shielding plate 2, and the clamping member 43 is arranged on the mounting bracket 41 for clamping with the connecting member 42. When the connecting member 42 and the clamping member 43 are clamped and matched, the shielding plate 2 and the mounting bracket 41 are fixedly connected. When the connecting member 42 and the clamping member 43 are separated, the shielding plate 2 and the mounting bracket 41 are separated from each other; in another embodiment, the mounting bracket 41 is the first matching portion, the shielding plate 2 is the second matching portion, the connecting member 42 is arranged on the mounting bracket 41, and the clamping member 43 is arranged on the shielding plate 2 for clamping with the connecting member 42. When the connecting member 42 and the clamping member 43 are clamped and matched, the mounting bracket 41 and the shielding plate 2 are fixedly connected. When the connecting member 42 and the clamping member 43 are separated, the mounting bracket 41 and the shielding plate 2 are separated from each other.

[0052] Among them, the mounting bracket 41 is rigidly connected to the vehicle body sheet metal through a plurality of M6 bolts, which can further improve the strength and installation stability of the ambient light assembly 3 and the shielding plate 2 to avoid the instability of hot melt adhesive bonding.

[0053] See also Figures 7 to 9 In an embodiment of the present invention, a mounting hole is provided on the end face of the second matching portion facing the first matching portion, and the mounting hole has a first end face facing the first matching portion and a second end face away from the first matching portion; the connecting member 42 passes through the mounting hole and is arranged in a stepped manner to form a step surface arranged towards the first matching portion on one side of the second end face of the second matching portion; the holding member 43 includes two holding units, and the two holding units are respectively arranged on both sides along the axial direction of the mounting hole, and each holding unit includes an abutting portion 431 and a limiting portion 432; the abutting portion 431 is arranged on the first end face; the limiting portion 432 is fixedly connected to the abutting portion 431, and the limiting portion 432 is arranged through the mounting hole; wherein, the two limiting portions 432 in the two holding units are gradually approached in the direction away from the first matching portion to abut against the step surface, so that the first matching portion and the second matching portion abut against each other and press the abutting portion 431.

[0054] Among them, see Figure 9 The clamping member 43 also includes a reinforcing portion 433, which is used to connect the two clamping units to improve the strength of the clamping member 43, and the reinforcing portion 433 is provided with a through hole for the connector 42 to pass through. Furthermore, the middle part of the connector 42 has a step surface, and the top gradually decreases along the extension direction of the connector 42, and is arranged in a triangular shape. During the installation process, as the top of the connector 42 slowly passes through the through hole, the distance between the two clamping units is widened. As the top of the connector 42 completely passes through the through hole, the step surface presses against the connecting unit; during the disassembly process, when the disassembly force is large enough, the widest part of the top of the connector 42 will stretch the two clamping units apart, thereby separating the two. Moreover, during the disassembly or installation process, the angle of the locking surface can be changed by changing the angle of the clamping member 43 in the through hole, thereby changing the magnitude of the disassembly force or installation force.

[0055] In an embodiment of the present invention, the light source 31 includes a light guide bar and a lamp holder. The light guide bar is disposed at the edge of the baffle 2 and close to the gap. The lamp holders are disposed at both ends of the light guide bar to emit light.

[0056] Because the ambient light assembly 3 itself is relatively weak and prone to deformation, in order to improve the overall rigidity of the ambient light, in an embodiment of the present invention, the ambient light assembly 3 is fixedly connected to the shielding plate 2, which is the vehicle's air outlet panel. The air outlet panel itself has a certain degree of rigidity, and this arrangement can enhance the rigidity of the ambient light assembly itself by leveraging the rigidity of the air outlet panel.

[0057] In the embodiment of the present invention, in order to enhance the luminous effect, a reflective coating is applied to the wall surface of the groove 11. The reflective coating is one or more diffuse reflective coatings such as ceramic coating, polyurethane coating, acrylic polymer coating, etc.

[0058] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformation made by utilizing the contents of the present invention's description and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A car roof with atmosphere lights, characterized in that: include: A ceiling body, wherein the ceiling body is provided with a groove, wherein the width of the groove gradually increases from the groove bottom toward the groove opening; a shielding plate installed at the notch of the groove, with a gap formed between the outer edge of the shielding plate and the groove; and An ambient light assembly, comprising a light source, wherein the light source is disposed in the groove, and light emitted by the light source can be reflected by the inner wall of the groove and pass through the gap; Wherein, the atmosphere light assembly further includes: a light source seat fixedly connected to the baffle plate, wherein the light source seat is provided with a first convex ring and a second convex ring arranged outside the first convex ring in a direction away from the baffle plate; and A light-transmitting ring is sleeved on the light source seat and is located on the side of the second convex ring away from the first convex ring. A buckle is provided on the outer peripheral side of the light-transmitting ring. The material of the buckle is light-transmitting. The buckle passes over the second convex ring to be engaged with the first convex ring. The buckle and the outer side wall of the light source seat, the first convex ring and the second convex ring define a placement cavity for placing the light source component.

2. The car ceiling with atmosphere lighting according to claim 1, characterized in that: Two sides of the light source component are respectively pressed against the first convex ring and the second convex ring to clamp and fix the first convex ring and the second convex ring.

3. The car ceiling with atmosphere lighting according to claim 1, characterized in that: The light source seat is provided with a top abutting portion in a direction facing the ceiling body, and the top abutting portion abuts against the ceiling body.

4. The automobile ceiling with atmosphere lighting according to claim 1, wherein: The atmosphere light assembly is arranged on the shielding plate; The automobile roof with atmosphere lights further comprises a connecting assembly for detachably connecting the shielding plate to the roof body.

5. The automobile ceiling with atmosphere lighting according to claim 4, characterized in that: The connection component includes: A mounting bracket is located in the groove and fixedly arranged on the inner wall of the groove, wherein one of the shielding plate and the mounting bracket is a first matching portion, and the other is a second matching portion; a connecting member, disposed on the first matching portion; and The clamping member is arranged on the second matching portion and is used to be clamped with the connecting member. When the connecting member and the clamping member are clamped and matched, the first matching portion and the second matching portion are fixedly connected. When the connecting member and the clamping member are separated, the first matching portion and the second matching portion are separated from each other.

6. The automobile ceiling with ambient light according to claim 5, characterized in that: The second mating portion is provided with a mounting hole on an end surface facing the first mating portion, the mounting hole having a first end surface facing the first mating portion and a second end surface facing away from the first mating portion; the connecting member passes through the mounting hole and is arranged in a stepped manner, so as to form a stepped surface on one side of the second end surface of the second mating portion and facing the first mating portion; The clamping member includes two clamping units, which are respectively arranged on both sides along the axial direction of the mounting hole, and each of the clamping units includes: an abutting portion, provided on the first end surface; and a limiting portion, fixedly connected to the abutting portion, and the limiting portion is arranged through the mounting hole; The two limiting portions in the two clamping units are gradually arranged close to each other in a direction away from the first matching portion to abut against the step surface, so that the first matching portion and the second matching portion abut against each other and press the abutting portion.

7. The automobile ceiling with atmosphere lighting according to any one of claims 1 to 6, characterized in that: The light source comprises: a light guide bar, disposed at an edge of the shielding plate and close to the gap; and The lamp holders are arranged at both ends of the light guide bar and are used to emit light.

8. The automobile ceiling with atmosphere lighting according to any one of claims 1 to 6, characterized in that: The atmosphere light assembly is fixedly connected to the shielding plate, and the shielding plate is a car air outlet panel.

9. The automobile ceiling with atmosphere lighting according to any one of claims 1 to 6, characterized in that: The groove wall surface of the groove is coated with a reflective coating.

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