WO2022166717A1 - Camera assembly and silica gel ring - Google Patents

Abstract

The present invention relates to the technical field of monitoring devices. Disclosed are a camera assembly and a silica gel ring. The camera assembly provided by the present invention comprises a camera cover, a heating sheet, a housing, and the silica gel ring; the camera cover is made of glass, and the shape is defined as a hemispherical shape of a first radius. The heating sheet is arranged on the inner side of the camera cover; a through hole is formed on the housing; the camera cover is fixed to the through hole by means of the silica gel ring. The present invention can solve the problems of poor water resistance and poor light transmission effect, etc. of a camera.

Description

Camera assembly and silicone ring

This application claims the priority of the Chinese patent application entitled "Camera Assembly and Silicone Ring" with the application number 202110170066.5 filed with the Chinese Patent Office on February 7, 2021, the entire contents of which are incorporated into this application by reference.

technical field

The present disclosure belongs to the technical field of monitoring equipment, and in particular relates to a camera assembly and a silicone ring.

Background technique

The camera needs to have good waterproof performance and light transmission performance in actual use to ensure the normal use of the camera. The video camera in the related art adopts a transparent cover made of plastic material. After a period of time, the transparent cover is easily worn and cracked, which affects the waterproof effect and light transmission effect; and, in the related art, a heating film is plated on the inner surface of the transparent cover to heat the transparent cover. However, heating The film will reduce the light transmission effect of the transparent cover and affect the camera effect.

SUMMARY OF THE INVENTION

The embodiments of the present disclosure provide a camera assembly and a silicone ring, which can solve the problems of poor waterproofness and poor light transmission effect of the camera.

In order to solve the above-mentioned technical problems, the present disclosure is implemented as follows:

In a first aspect, an embodiment of the present disclosure provides a camera assembly including:

a camera cover, the camera cover is made of glass and the shape is defined as a hemisphere with a first radius;

a heating sheet, the heating sheet is arranged on the inner side of the camera cover;

a casing, the casing is provided with a perforation, the cross section of the casing is a circle with a second radius greater than the first radius, and one end of the longitudinal section of the casing includes a first region, a second a region and a third region, the second region having a planar profile and the third region having a beveled profile;

Silicone ring;

Wherein, the camera cover is fixed in the through hole through the silicone ring.

In a second aspect, an embodiment of the present disclosure provides another camera assembly, the camera assembly including:

a camera cover, the camera cover is made of glass and the shape is defined as a hemisphere with a first radius;

a heating sheet, the heating sheet is arranged on the inner side of the camera cover;

a casing, the casing is provided with a perforation, the casing is in the shape of a circular cone, and the camera cover is arranged at the perforation;

Silicone ring, the silicone ring includes an outer ring flanging, an inner ring flanging, an end face between the flanging arranged between the outer ring flanging and the inner ring flanging, and an outer flanging end face arranged on the outside of the outer ring flanging , the outer ring flanging, the inner ring flanging and the end face between the flanges are surrounded by an annular groove, and the camera cover is partially arranged in the annular groove;

The camera cover is fixed in the through hole through the silicone ring.

In a third aspect, an embodiment of the present disclosure also provides a silicone ring, comprising:

The outer ring flanging, the inner ring flanging, the end face between the flanging arranged between the outer ring flanging and the inner ring flanging, and the flanging outer end face arranged on the outside of the outer ring flanging;

An annular groove is formed between the outer ring flange, the inner ring flange and the end surface between the flanges, and the annular groove is used for accommodating the open end of the camera cover.

In the embodiment of the present disclosure, a camera cover made of glass is used. Compared with a transparent plastic cover, the camera cover made of glass is hard in texture, can not be worn in a sandstorm environment, and is not easily cracked in a high-intensity solar radiation environment. This ensures that the camera assembly has good waterproof performance and light transmission performance; the camera cover is installed in the perforation of the casing through the silicone ring, which can block the external water from entering the camera, further ensuring the good waterproof performance of the camera assembly; The inner side of the camera cover is provided with a heating plate to heat the camera cover. Compared with coating a heating film in the camera cover, the heating plate will not cover the camera cover, reduce the light transmittance of the camera cover or block the camera. The imaging effect of the camera assembly is improved, and the problems of complex process and high cost caused by coating a heating film on the curved surface of the camera cover are effectively alleviated. Therefore, the camera assembly in the embodiment of the present disclosure has good waterproof performance and light transmission performance, which improves the reliability of the camera assembly and ensures the normal use of the camera assembly.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention and related technologies more clearly, the following briefly introduces the accompanying drawings used in the embodiments and related technologies. Obviously, the drawings in the following description are only for the present invention. For some embodiments, for those of ordinary skill in the art, other embodiments can also be obtained according to these drawings without any creative effort.

FIG. 1 is an exploded schematic diagram of a partial structure of a camera in the related art;

Fig. 2 is the sectional view after the partial structure of the video camera in the related art is assembled;

FIG. 3 is an exploded schematic diagram of a partial structure of a camera assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a housing in a camera assembly according to an embodiment of the present disclosure;

5 is a cross-sectional view of a housing in a camera assembly provided by an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a camera cover in a camera assembly according to an embodiment of the present disclosure;

7 is a cross-sectional view of a camera cover in a camera assembly provided by an embodiment of the present disclosure;

8 is a first perspective view of a heating plate in a camera assembly provided by an embodiment of the present disclosure;

FIG. 9 is a second perspective view of a heating plate in a camera assembly provided by an embodiment of the present disclosure;

10 is an exploded schematic diagram of a camera cover and a heating sheet in a camera assembly provided by an embodiment of the present disclosure;

FIG. 11 is a schematic assembly diagram of a camera cover and a heating sheet in a camera assembly provided by an embodiment of the present disclosure;

FIG. 12 is a cross-sectional view of the camera cover and the heating sheet after assembly in the camera assembly provided by the embodiment of the present disclosure before the heating sheet is deformed;

FIG. 13 is a cross-sectional view of the camera cover and the heating sheet after the camera cover and the heating sheet are assembled in the camera assembly provided by the embodiment of the present disclosure after the heating sheet is deformed;

14 is a schematic structural diagram of a silicone ring in a camera assembly according to an embodiment of the present disclosure;

15 is a cross-sectional view of a silicone ring in a camera assembly provided by an embodiment of the present disclosure;

16 is a schematic assembly diagram of a silicone ring, a heating plate, and a camera cover in a camera assembly provided by an embodiment of the present disclosure;

17 is an exploded schematic diagram of the heating plate and the camera cover and the silicone ring after being assembled in the camera assembly provided by the embodiment of the present disclosure;

18 is a cross-sectional view of the silicone ring, the heating plate, and the camera cover in the camera assembly provided by the embodiment of the present disclosure after assembly;

19 is an exploded schematic diagram of the silicone ring, the heating plate, and the camera cover in the camera assembly provided by the embodiment of the present disclosure after being assembled with the casing;

20 is a cross-sectional view of the silicone ring, the heating plate, the camera cover, and the casing in the camera assembly provided by the embodiment of the present disclosure after assembly;

21 is an exploded schematic diagram of the silicone ring, the heating plate, the camera cover, and the casing in the camera assembly provided by the embodiment of the present disclosure after being assembled with the pressure plate;

22 is a schematic assembly diagram of a silicone ring, a heating plate, a camera cover, a casing, and a pressure plate in a camera assembly provided by an embodiment of the present disclosure;

FIG. 23 is a cross-sectional view of a silicone ring, a heating plate, a camera cover, a shell, and a pressure plate in the camera assembly provided by the embodiment of the present disclosure after assembly.

Description of reference numbers:

01-shell; 02-silicone ring; 03-transparent cover; 04-filling pad; 05-pressing plate; 06-screw;

100-camera cover; 110-outer surface; 120-inner surface; 130-transition end surface; 140-screen printing layer;

200-heating piece; 210-heating piece body; 220-soldering point; 230-lead;

300-shell; 310-first annular surface; 320-second annular surface; 330-third annular surface; 340-perforation; 350-installation part; 360-positioning part; 370-limiting part;

400-silicone ring; 410-outer ring flanging; 420-inner ring flanging; 430-end face between flanging; 440-flanging outer end face; 450-notch; ;480-ring groove;

500-pressing plate; 510-pressing part; 520-fixing part; 521-fixing hole; 522-positioning hole; 530-avoidance opening;

600 - Fasteners.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

The terms "first", "second", etc. in the description and claims of the present disclosure are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that embodiments of the present disclosure can be practiced in sequences other than those illustrated or described herein, and distinguished by "first," "second," etc. The objects are usually of one type, and the number of objects is not limited. For example, the first object may be one or more than one. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

As shown in FIG. 1 and FIG. 2 , a camera is disclosed in the related art. The camera includes a housing 01 , a silicone ring 02 , a transparent cover 03 , a filling pad 04 , a pressing plate 05 and a screw 06 . Among them, the silicone ring 02 is sleeved on the casing 01, and a layer of ITO film (ie, heating film) is plated on the inner surface of the transparent cover 03, and leads are drawn from the inner side of the transparent cover 03, and a ring-shaped filling pad 04 is arranged behind the transparent cover 03. , the filling pad 04 is pressed on the end face of the transparent cover 03, the pressing plate 05 presses the filling pad 04, the filling pad 04 squeezes the transparent cover 03, and the transparent cover 03 presses the silicone ring 02 on the casing 01, thereby realizing waterproofing.

However, in the related art, the transparent cover 03 is made of plastic material, which has poor wear resistance, and when used for a long time in an environment with strong solar radiation, the transparent cover 03 will crack, affecting the waterproof effect; the inner surface of the transparent cover 03 is coated with a layer of heating film , it will reduce the light transmittance of the transparent cover 03 and affect the image effect, and the process of coating the heating film on the plastic curved surface is more complicated, the defect rate is high, and the cost is high; to the waterproof effect, resulting in poor waterproof reliability.

As shown in FIG. 3 to FIG. 23 , an embodiment of the present disclosure discloses a camera assembly. The disclosed camera assembly includes a housing 300 , a silicone ring 400 , a camera cover 100 , a heating plate 200 and a pressing plate 500 .

The camera cover 100 is a protective member of the camera assembly, and the cover is arranged outside the camera head of the camera assembly to isolate the camera head from the external environment, and effectively prevent the external dust, impurities, sand, rain, etc. At the same time, the protective effect can also prevent the above substances from entering the interior of the camera assembly and affect the normal use of the camera assembly. In some embodiments, the camera cover 100 may be made of glass. The shape of the camera cover 100 is limited to a hemisphere with a first radius. The glass material has the advantages of hard texture and good light transmittance. By using the glass material, the camera cover 100 can be It can be used in environments with windy sand and high-intensity solar radiation, and will not be worn by wind and sand to affect the light transmission performance or cracked under high-intensity solar radiation to affect the waterproof performance, thus ensuring that the camera cover 100 has better performance. The light transmission performance also ensures that the camera cover 100 has good waterproof performance, which increases the usage scenarios of the camera assembly to a certain extent and ensures the reliability of the camera assembly.

The heating sheet 200 is disposed on the inner side of the camera cover 100 for heating the camera cover 100 , and the surface of the camera cover 100 can be heated by the heating sheet 200 to prevent the surface of the camera cover 100 from fogging and affecting the imaging effect. In some optional embodiments, the heating sheet 200 may be attached to the opening area of the camera cover 100, such as by sticking, and the heating sheet 200 may be arranged around the camera cover 100 in a circle. Specifically, the heating sheet 200 may be arranged around the camera cover 100. on the inner surface 120 of the camera cover 100 close to the open end, so that the camera cover 100 can be heated well without being blocked, so that the camera assembly has a heating effect. Furthermore, the light transmission performance of the camera cover 100 is improved, and the imaging effect of the camera assembly is improved. At the same time, by arranging the heating sheet 200 on the inner surface 120 of the camera cover 100, compared with coating the heating film, the complexity of the process is also reduced, and the manufacturing cost is reduced to a certain extent.

The silicone ring 400 is an intermediate connecting member of the camera assembly, and the silicone ring 400 is used to install the camera cover 100 on the housing 300 . The silicone ring 400 has good connection performance and sealing performance. The camera cover 100 is installed into the through hole 340 of the housing 300 through the silicone ring 400, which can not only ensure the stable installation between the camera cover 100 and the housing 300, but also can ensure the stable installation between the camera cover 100 and the camera cover 100. It has a sealing effect with the housing 300, so as to prevent external water from entering the interior of the camera housing 100 through the gap between the camera housing 100 and the housing 300, thereby affecting the normal use of the camera assembly.

The casing 300 is a basic installation component of the camera assembly, and the casing 300 provides the installation basis for components such as the silicone ring 400 , the camera cover 100 , and the pressing plate 500 . Specifically, the housing 300 may be a disk-shaped housing structure, and a through hole 340 is formed in the middle position, and a part of the camera cover 100 mounted on the housing 300 may protrude from the housing 300 through the through hole 340 . The cross section of the housing 300 is a circle having a second radius larger than the first radius, that is, the second radius is larger than the radius of the camera cover 100 , so that the camera cover 100 can be mounted on the housing 300 . In some alternative embodiments, one end of the longitudinal section of housing 300 includes first, second, and third regions of integral construction, wherein the second region has a planar profile and the third region has a beveled profile. When the silicone ring 400 is installed on the housing 300 , the corresponding positions of the silicone ring 400 are respectively connected to the first area, the second area and the third area. In addition, other positions of the camera cover 100 are also connected to the silicone ring 400 . In this way, the camera cover 100 is fixedly installed in the through hole 340 of the housing 300 through the silicone ring 400 , compared to the way in which the contact surface of the silicone ring 02 is used to play a waterproof role in the related art, the connection between the silicone ring 400 and the housing 300 The first area, the second area and the third area are connected, which changes the contact form, increases the contact area, and greatly improves the waterproof performance.

Compared with the related art, in the embodiment of the present disclosure, by using the camera cover 100 made of glass, the camera cover 100 can be prevented from being worn and cracked, which ensures that the camera assembly has good waterproof performance and light transmission performance; by using the silicone ring 400 It not only realizes the fixed installation of the camera cover 100, but also seals the space between the camera cover 100 and the outer shell 300, which further ensures the waterproof performance of the camera assembly; The surface area can effectively prevent the heating film 200 from blocking the camera and affect the imaging effect, and the imaging effect of the camera assembly is guaranteed. In this way, the camera assembly provided by the embodiments of the present disclosure can be used in an environment with strong radiation, windy sand, rain and snow, and ensure the normal function of the camera assembly.

Referring to FIG. 4 and FIG. 5 , in some optional embodiments, the first region is a first annular surface 310 , the first annular surface 310 has a plane profile parallel to the axial direction of the housing 300 , the second region is is the second annular surface 320, the second annular surface 320 has a plane profile perpendicular to the axial direction of the housing 300, the third area is the third annular surface 330, and the third annular surface 330 has an axis with the housing 300 The second annular surface 320 is located between the first annular surface 310 and the third annular surface 330 toward the inclined profile with a certain included angle. Specifically, the axes of the first annular surface 310 , the second annular surface 320 and the third annular surface 330 are collinear, and along the axial direction of the housing 300 , the first annular surface 310 , the second annular surface 320 Together with the third annular surface 330 , they serve as the inner sidewall of the through hole 340 . When the camera cover 100 is mounted on the housing 300 through the silicone ring 400, the corresponding positions of the silicone ring 400 abut on the second annular surface 320 and the third annular surface 330, respectively, so that the second annular surface 320 and the third annular surface 330 pass through The three annular surfaces 330 limit the silicone ring 400 , thereby realizing the fixed installation of the silicone ring 400 and the housing 300 to prevent the silicone ring 400 and the camera cover 100 from being separated from the housing 300 . Of course, part of the silicone ring 400 is also restricted by the first annular surface 310 to prevent the silicone ring 400 and the camera cover 100 from moving in a direction perpendicular to the axial direction of the housing 300 , thereby ensuring that the silicone ring 400 and the camera Stability of the cover 100 installation.

In some embodiments, the surface of the third annular surface 330 may also be a concave or convex arc surface. In this case, when the silicone ring 400 is installed on the housing 300 , the silicone ring 400 may be deformed, so that the When the silicone ring 400 is squeezed with the housing 300 , it contacts the arc surface of the third annular surface 330 , which increases the contact area to a certain extent, and further improves the installation stability between the silicone ring 400 and the housing 300 .

In this embodiment, in order to further prevent the silicone ring 400 and the camera cover 100 from falling off the housing 300 , a ring of raised structures is provided on the end of the third annular surface 330 away from the second annular surface 320 . The radial direction of the housing 300 protrudes toward the axis of the housing 300 , thereby forming the limiting portion 370 . When the camera assembly is normally installed, after the silicone ring 400 and the camera cover 100 move downward relative to the housing 300 for a certain distance, the silicone ring 400 is blocked by the limiting portion 370 and cannot continue to move downward. The part 370 ensures that the silicone ring 400 and the camera cover 100 will not fall off from the housing 300, thereby ensuring the reliability of the camera assembly.

Referring to FIGS. 6 , 7 and 18 , in some alternative embodiments, the camera housing 100 includes an outer surface 110 , an inner surface 120 and a transition end surface 130 connected between the outer surface 110 and the inner surface 120 . Specifically, the outer surface 110 may be a spherical surface, the inner surface 120 may be a spherical surface, and in the longitudinal section of the camera cover 100 , the distances between the outer surface 110 and the inner surface 120 are equal, that is, the outer surface 110 of the camera cover 100 and the inner surface 120 are equal. The thickness between the inner surfaces 120 is uniform. In this way, the image captured by the camera of the camera assembly can be made clearer, thereby improving the imaging effect of the camera assembly. Optionally, the thickness dimension between the outer surface 110 and the inner surface 120 is not less than 2mm, and may specifically include 2mm, 2.5mm, 3mm, 3.5mm, 4mm, etc. In this case, it can be ensured that the camera cover 100 has good The light transmission performance makes the camera cover 100 have sufficient strength, so as to play a good protective effect on the camera.

Please continue to refer to FIG. 7 , the inner surface 120 of the camera cover 100 is provided with a ring-shaped screen printing layer 140 , and the heating sheet 200 is disposed on the screen printing layer 140 . Optionally, the silk screen layer 140 is disposed in the area of the inner surface 120 close to the opening of the camera cover 100 , and the width of the silk screen layer 140 is rad. Correspondingly, the heating sheet 200 is attached to the silk screen layer 140 to realize the heating sheet Fixed connection between 200 and the camera cover 100. Specifically, the heating sheet 200 is bonded on the silk screen layer 140 by double-sided tape or glue, which may be by bonding double-sided tape or coating glue on one side of the heating sheet 200, and then bonding the heating sheet 200 on the screen printing layer 140. on to achieve fixation. It should be noted here that the width of the silk screen layer 140 is not less than the width of the heating sheet 200, so that the heating sheet 200 does not exceed the surface of the silk screen layer 140. Considering the heating performance of the camera cover 100, the heating sheet 200 in the present disclosure has a The width can be not less than 6mm, so the width of the silk screen layer 140 is also not less than 6mm. Considering that the heating sheet 200 is attached between the inner surface 120 of the camera cover 100 and the surface of the inner ring flange 420 of the silicone ring 400, in order to make the attachment effect better, the thickness of the heating sheet 200 in the embodiment of the present disclosure is not More than 0.4mm, and the texture is soft, it can be deformed with the shape of the sticking surface.

Referring to FIGS. 8 to 13 , in some embodiments, the heating chip 200 includes a heating chip body 210 and a lead wire 230 , and the lead wire 230 is electrically connected to the heating chip body 210 . Specifically, the heating plate body 210 is a fan-shaped annular plate, the difference between the outer diameter and the inner diameter of the fan-shaped annular plate is not less than 6 mm, and the heating plate body 210 is made of a soft material. In this way, when the heating sheet 200 is disposed on the inner surface 120 of the camera cover 100 , it can be deformed adaptively to better fit the inner surface 120 of the camera cover 100 , so that the space between the heating sheet 200 and the camera cover 100 can be adjusted. There is no gap, and at the same time, it can better fit on the surface of the outer ring flange 410 of the silicone ring 400 . In order to make the heating element body 210 generate heat, a heating module, such as an electric heating resistance wire, etc., is arranged in the heating element body 210. The heating module is provided with solder joints 220, and the solder joints 220 are located at the two ends of the heating element body 210 respectively. Copper is exposed at the position of the point 220 , and lead wires 230 are respectively welded at the exposed copper places of the solder joints 220 at both ends, so as to electrically connect the lead wires 230 to the heating module. After the lead 230 and the exposed copper are welded, glue is dispensed at the welding position to protect the welding position.

In addition, in order to ensure the normal outlet of the lead 230 without interference, in the embodiment of the present disclosure, when the heating sheet 200 is arranged around the inside of the camera cover 100 and is pasted on the inner surface 120 of the camera cover 100, the heating sheet body 210 The distance M between the two ends is not less than 1 mm, which ensures that the two ends of the heating chip body 210 will not interfere and affect the installation of the heating chip 200 and the normal wiring of the leads 230 .

Referring to FIGS. 14 to 20 , in some optional embodiments, the silicone ring 400 includes an outer ring flange 410 , an inner ring flange 420 and an end surface 430 between the flanges. Specifically, the outer ring flange 410 and the inner ring flange 420 have a certain space, and the end surface 430 between the flanges is connected between the outer ring flange 410 and the inner ring flange 420. In this way, the outer ring flange 410, the inner ring flange The edge 420 and the end face 430 between the flanges are jointly formed into an annular groove 480, that is, one side of the outer ring flange 410 located in the annular groove 480 is the outer side wall of the annular groove 480, and the inner ring is turned over. One side of the edge 420 inside the annular groove 480 is the inner side wall of the annular groove 480 , the end face 430 between the flanges is the bottom wall of the annular groove 480 , and the annular groove 480 is used to accommodate the open end of the camera cover 100 . When the open end of the camera cover 100 is inserted into the annular groove 480 , the outer surface 110 of the camera cover 100 abuts against the side of the outer ring flange 410 located in the annular groove 480 , and the inner surface 120 of the camera cover 100 is in contact with the side surface of the outer ring flange 410 . A side surface of the inner ring flange 420 located in the annular groove 480 abuts tightly, and the transition end surface 130 of the camera cover 100 abuts against the end surface 430 between the flanges. Since the silicone ring 400 has a certain elasticity, when the open end of the camera cover 100 is embedded in the annular groove 480, the outer, inner and bottom walls of the annular groove 480 hug the camera cover 100 from three directions respectively. The outer surface 110 , the inner surface 120 and the transition end surface 130 , thereby securely securing the open end of the camera housing 100 within the annular groove 480 .

Further, the silicone ring 400 further includes a flanging outer end surface 440 disposed outside the outer ring flanging 410 . When the silicone ring 400 is installed on the housing 300, the outer ring flange 410 of the silicone ring 400 is located in the third area of the housing 300, and the side surface of the outer ring flange 410 located outside the annular groove 480 is in close contact with the contour of the bevel, Through the pressing force and friction between the bevel profile and the outer ring flange 410, the silicone ring 400 can be prevented from falling off from the housing 300. At the same time, the outer ring flange 410 will squeeze the annular concave after being squeezed by the pressing force. The outer surface 110 of the camera cover 100 in the groove 480 increases the firmness and stability of the installation between the silicone ring 400 and the camera cover 100 . Optionally, the side surface of the outer ring flange 410 located outside the annular groove 480 may be an arc surface, such as a convex arc surface or a concave arc surface. Correspondingly, the bevel profile can also be an arc surface, such as, The concave arc surface or the convex arc surface is contacted by the corresponding arc surface to increase the contact area, thereby ensuring the stability of the contact between the outer ring flange 410 and the contour of the inclined surface. Of course, the flanging outer end surface 440 of the silicone ring 400 is located in the second area, and the flanging outer end surface 440 is in close contact with the plane contour. The plane contour can support the flanging outer end surface 440, thereby preventing the silicone ring 400 from passing from the casing. 300 drops off. In addition, in order to prevent the silicone ring 400 from moving relative to the housing 300 along the radial direction of the housing 300, in the embodiment of the present disclosure, the outer end surface of the silicone ring 400 is also located in the first area, and the outer end surface of the silicone ring 400 is connected to the vertical surface. The contour is pressed tightly, and a lateral (ie, radial direction of the housing 300 ) pressing force is applied to the outer end surface of the silicone ring 400 through the vertical surface contour, so as to ensure that the silicone ring 400 does not move laterally.

Based on the above settings, there are multiple contact areas between the camera cover 100 and the silicone ring 400, which greatly increases the contact area and ensures the firmness, stability and sealing of the installation between the camera cover 100 and the silicone ring 400, thereby not only The fixed installation between the camera cover 100 and the silicone ring 400 is realized, and the sealed connection between the two is realized, and the waterproof performance is improved. At the same time, there are multiple contact areas between the silicone ring 400 and the housing 300, which greatly increases the contact area and ensures the firmness, stability and sealing of the installation between the silicone ring 400 and the housing 300, thereby realizing the The fixed installation between the ring 400 and the casing 300 also realizes the sealed connection between the two, and improves the waterproof performance.

Please continue to refer to FIG. 15 and FIG. 20 , in some optional embodiments, the surface of the outer ring flange 410 located outside the annular groove 480 is provided with a first rib 460 perpendicular to the surface. Specifically, the first protruding rib 460 is an annular protruding rib, which surrounds the outer surface of the outer ring flange 410. The first protruding rib 460 may be one circle or multiple circles. On the outer surface of the outer ring flange 410 . When the silicone ring 400 is installed on the housing 300, the first rib 460 is pressed against the surface of the bevel profile and deformed. Therefore, the arrangement of the first rib 460 can greatly increase the distance between the outer ring flange 410 and the bevel profile. The sealing performance between the two can prevent external water from entering the interior of the camera assembly from the contact area between the silicone ring 400 and the housing 300, thereby ensuring good waterproof performance of the camera assembly.

In addition to the above-mentioned first rib 460 , in the embodiment of the present disclosure, a second rib 470 that is perpendicular to the outer end surface 440 of the flange is also provided on the outer end surface 440 of the flange. Specifically, the second convex rib 470 is an annular convex rib, which is arranged around the outer end surface 440 of the flange. The second convex rib 470 may be one circle or multiple circles, and the multiple circles of the second convex rib 470 are arranged at intervals. Flange on the outer end face 440. When the silicone ring 400 is installed on the housing 300, the second rib 470 is pressed against the surface of the plane contour and deformed, so that the disposition of the second rib 470 can greatly increase the distance between the outer end surface 440 of the flange and the plane contour. The sealing performance between the two, thereby preventing external water from entering the interior of the camera assembly from the contact area between the silica gel and the housing 300, and ensuring the good waterproof performance of the camera assembly.

In some optional embodiments, the hardness of the silicone ring 400 is 45 plus or minus 5 degrees, so that the compression ratio of the silicone ring 400 in each compression direction is kept in the range of 0.2 to 0.4, including 0.2, 0.25, 0.3 , 0.35, 0.4, etc. Specifically, when the open end of the camera cover 100 is installed in the annular groove 480 of the silicone ring 400, a pressing action occurs between the open end of the camera cover 100 and the annular groove 480, and the end faces 430, In the compression directions of the three positions of the first rib 460 and the second rib 470, the ratio between the compression amount of the silicone ring 400 in each compression direction and the original thickness of the silicone ring 400 is between 0.2 and 0.4, In order to ensure good installation performance and sealing performance between the silicone ring 400 and the camera cover 100 .

Referring to FIGS. 21 to 23 , in some optional embodiments, the camera assembly further includes a pressing plate 500 , and the pressing plate 500 includes a pressing portion 510 and a fixing portion 520 . Specifically, the pressing portion 510 is a ring-shaped plate, which is used for pressing the surface of the silicone ring 400 to press the silicone ring 400 on the housing 300 . The outer edge of the pressing portion 510 is provided with a plurality of fixing portions 520 . The fixing portions 520 may be L-shaped plates in longitudinal section, and fixing holes 521 are formed on the fixing portion 520 . In order to fix the pressing plate 500 on the housing 300 , a plurality of mounting parts 350 are provided on the housing 300 , and the mounting parts 350 may be protruding posts, and the protruding posts are provided with threaded holes. When the pressing plate 500 is fixedly mounted on the housing 300 , the pressing portion 510 presses the silicone ring 400 , the fixing portion 520 is butted with the mounting portion 350 , and the fixing holes 521 on the fixing portion 520 are aligned with the threaded holes on the mounting portion 350 , and screw into the fastener 600 , the pressing plate 500 is fixed on the housing 300 by the fastener 600 , and the silicone ring 400 is fixedly installed on the housing 300 by the pressing plate 500 .

Further, the fixing portion 520 is also provided with a positioning hole 522. Correspondingly, a positioning portion 360 is provided on the housing 300. The positioning portion 360 may be a positioning column. When installing the pressure plate 500, the positioning hole 522 is first matched with the positioning column. , and then install the fastener 600, thereby not only improving the installation speed, but also ensuring the installation accuracy.

In the embodiment of the present disclosure, considering that the heating plate 200 needs power supply and control, the lead 230 is electrically connected to the heating plate 200 . Since the heating plate 200 is disposed between the inner surface 120 of the camera cover 100 and the inner flange 420 of the silicone ring 400, in order to lead out the lead 230, a gap 450 is formed on the inner flange 420, and the heating plate can be inserted through the gap 450. The connection area between 200 and lead 230 is exposed. In addition, since the pressure plate 500 is pressed against the silicone ring 400 , an escape port 530 is provided on the pressure plate 500 at a position opposite to the notch 450 , and the lead 230 can be passed through the escape port 530 . Based on the above arrangement, the lead 230 can be passed from the heating plate 200 through the notch 450 and the escape opening 530 to prevent the lead 230 from blocking the camera cover 100 and affecting the image quality.

The embodiment of the present disclosure further discloses another camera assembly. The disclosed camera assembly includes a camera cover 100 , a heating plate 200 , a housing 300 and a silicone ring 400 , wherein the camera cover 100 is made of glass and has a shape defined as a first radius. Hemispherical, the heating plate 200 is arranged on the inner side of the camera cover 100 , the outer shell 300 is a circular cone shape, and the outer shell 300 is provided with a through hole 340 , and the camera cover 100 can be installed at the through hole 340 through the silicone ring 400 . Specifically, the silicone ring 400 includes an outer ring flange 410 , an inner ring flange 420 , an inter-flange end surface 430 disposed between the outer ring flange 410 and the inner ring flange 420 , and a flange disposed outside the outer ring flange 410 The outer end surface 440, and the outer ring flange 410, the inner ring flange 420 and the end surface 430 between the flanges together form an annular groove 480, and the open end of the camera cover 100 can be embedded in the annular groove 480, In this way, the open end of the camera cover 100 is pressed by the walls of the annular groove 480, so that the connection between the camera cover 100 and the silicone ring 400 can be realized. The camera cover 100 is fixedly mounted on the housing 300 through the silicone ring 400 .

It should be noted here that the specific structure of the other camera assembly and the arrangement and connection relationship between the structures are basically the same as those of the camera assembly disclosed in the above embodiment. For details, please refer to the camera assembly disclosed in the above embodiment. The specific structure and the setting and connection relationship between the structures will not be repeated here.

In addition, as shown in FIG. 14 to FIG. 17 , an embodiment of the present disclosure further discloses a silicone ring 400 , and the silicone ring 400 includes:

the outer ring flanging 410, the inner ring flanging 420, the end face 430 between the flanges arranged between the outer ring flanging 410 and the inner ring flanging 420, and the flanging outer end face 440 arranged on the outside of the outer ring flanging 410;

An annular groove 480 is formed between the outer ring flange 410 , the inner ring flange 420 and the end surface 430 between the flanges. The annular groove 480 is used to accommodate the open end of the camera cover 100 .

In some embodiments of the present disclosure, a surface of one side of the outer ring flange 410 located outside the annular groove 480 is provided with a first rib 460 perpendicular to the surface;

And/or, the outer end surface 440 of the flange is provided with a second rib 470 perpendicular to the outer end surface 440 of the flange.

In some embodiments of the present disclosure, the compression ratio of the silicone ring 400 in each compression direction ranges from 0.2 to 0.4.

For the description of the specific structure of the silicone ring 400 in the embodiment of the present disclosure, and the connection relationship between the silicone ring 400 and the camera cover 100 , the outer shell 300 , the pressing plate 500 and the heating plate 200 , please refer to the above-mentioned camera assembly embodiments. The technical solution is not repeated here.

To sum up, in the present disclosure, by using the camera cover 100 made of glass material, the camera assembly can be used in environments such as windy sand, high-intensity solar radiation, rain and snow, etc.; layer 140, and the heating sheet 200 is directly pasted on the silk screen layer 140, which can simplify the process and reduce the cost, and because the heating sheet 200 is made of soft material, the heating sheet 200 can fit inside the arc of the camera cover 100. On the surface 120; the silicone ring 400 is sleeved on the camera cover 100, and is close to the inner surface 120 of the camera cover 100 and the surface of the heating plate 200 from the inner side of the camera cover 100, which not only realizes the interconnection between the silicone ring 400 and the camera cover 100 , and can make the heating sheet 200 close to the inner surface 120 of the camera cover 100; the lead 230 of the heating sheet 200 can be passed through the gap 450 on the silicone ring 400; A rib 460 and a second rib 470 are arranged on the outer end surface 440 of the flange, which further ensures the sealing connection between the silicone ring 400 and the casing 300; The leads 230 of the sheet 200 can pass through the openings 530 provided on the pressing plate 500 after passing through the notch 450 of the silicone ring 400; The compression ratio is controlled between 0.2 and 0.4 to achieve multiple waterproof measures and further improve the waterproof performance.

The embodiments of the present disclosure have been described above with reference to the accompanying drawings, but the present disclosure is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present disclosure, without departing from the scope of the present disclosure and the protection scope of the claims, many forms can be made, which all fall within the protection of the present disclosure.

Claims (17)

1. A camera assembly comprising:

   a camera cover (100), the camera cover (100) is made of glass and the shape is defined as a hemisphere with a first radius;

   a heating sheet (200), the heating sheet (200) is arranged on the inner side of the camera cover (100);

   A casing (300), the casing (300) is provided with a perforation (340), the cross section of the casing (300) is a circle with a second radius greater than the first radius, and the casing (300) has a second radius. One end of the longitudinal section includes a first region, a second region and a third region of integral construction, the second region having a planar profile and the third region having a beveled profile;

   Silicone ring (400);

   Wherein, the camera cover (100) is fixed in the through hole (340) via the silicone ring (400).
2. The camera assembly of claim 1, wherein the first region is a first torus (310) having an axial arrangement parallel to the housing (300) the plane outline;

   The second region is a second annular surface (320), and the second annular surface (320) has a plane profile perpendicular to the axial direction of the housing (300);

   The third region is a third annular surface (330), and the third annular surface (330) has a sloped profile arranged at an included angle with the axial direction of the housing (300);

   Wherein, the second annular surface (320) is located between the first annular surface (310) and the third annular surface (330).
3. The camera assembly of claim 1, wherein the camera housing (100) includes an outer surface (110), an inner surface (120), and a transition end surface connected between the outer surface (110) and the inner surface (120) (130), an annular screen printing layer (140) is provided on the inner surface (120), and the heating plate (200) is disposed on the screen printing layer (140).
4. The camera assembly of claim 3, wherein the thickness between the outer surface (110) and the inner surface (120) is uniform, and the distance between the outer surface (110) and the inner surface (120) is uniform. The thickness of the space is not less than 2mm.
5. The camera assembly according to claim 1, wherein the silicone ring (400) comprises an outer ring flange (410), an inner ring flange (420), and an outer ring flange (410) and an inner ring flange The end face (430) between the flanges between (420), and the flange outer end face (440) arranged on the outer side of the outer ring flange (410);

   An annular groove (480) is formed between the outer ring flange (410), the inner ring flange (420) and the end face (430) between the flanges, and the camera cover (100) Parts are arranged in the annular groove (480), the outer surface (110) of the camera cover (100) and the side of the outer ring flange (410) located in the annular groove (480) connection, the inner surface (120) of the camera cover (100) is connected with the side of the inner ring flange (420) located in the annular groove (480), the transition of the camera cover (100) The end face (130) is connected with the end face (430) between the flanges;

   The side of the outer ring flange (410) outside the annular groove (480) is connected with the third area, and the flange outer end surface (440) is connected with the second area.
6. The camera assembly according to claim 5, wherein a first convex rib (perpendicular to the surface) is provided on a surface of the outer ring flange (410) outside the annular groove (480). 460);

   And/or, a second convex rib (470) perpendicular to the outer end surface of the flange (440) is provided on the outer end surface (440) of the flange.
7. The camera assembly according to claim 6, wherein the compression ratio of the silicone ring (400) in each compression direction ranges from 0.2 to 0.4.
8. The camera assembly according to claim 1, wherein the camera assembly further comprises a pressing plate (500), and the pressing plate (500) comprises a pressing part (510) for pressing the silicone ring (400) and a pressing plate (510) for pressing the silicone ring (400). a fixing portion (520) for fixedly connecting the housing (300);

   The fixing portion (520) is provided with a fixing hole (521) and a positioning hole (522), the housing (300) is provided with a mounting portion (350) and a positioning portion (360), the fixing hole (521) A fastener (600) is provided inside, the fastener (600) is fixedly connected with the mounting portion (350), the positioning hole (522) is installed in cooperation with the positioning portion (360), and/or, An escape opening (530) is opened on the pressing portion (510).
9. A camera assembly comprising:

   a camera cover (100), the camera cover (100) is made of glass and the shape is defined as a hemisphere with a first radius;

   a heating sheet (200), the heating sheet (200) is arranged on the inner side of the camera cover (100);

   a casing (300), a perforation (340) is provided on the casing (300), the casing (300) is of a circular truncated shape, and the camera cover (100) is arranged at the perforation (340);

   A silicone ring (400), the silicone ring (400) includes an outer ring flange (410), an inner ring flange (420), and a The end surface (430) between the flanges, and the flange outer end surface (440) arranged on the outer side of the outer ring flange (410), the outer ring flange (410), the inner ring flange (420) and the The end faces (430) between the flanges are surrounded by an annular groove (480), and the camera cover (100) is partially arranged in the annular groove (480);

   The camera cover (100) is fixed in the through hole (340) via the silicone ring (400).
10. The camera assembly according to claim 9, wherein the heating sheet (200) is disposed on a side of the inner ring flange (420) located in the annular groove (480) and the camera cover ( 100) between the inner surfaces (120).
11. The camera assembly according to claim 10, wherein the heating piece (200) comprises a heating piece body (210) and a lead wire (230) connected with the heating piece body (210);

    The inner ring flange (420) is provided with a notch (450) for passing the lead wire (230), and/or, the camera assembly further includes a pressing plate (500), and the pressing plate (500) is provided with a notch (450) There is an escape opening (530) for passing the lead wire (230).
12. The camera assembly according to claim 11, wherein the heating plate body (210) is a fan-shaped annular plate, a heating module is arranged in the heating plate body (210), and two ends of the fan-shaped annular plate are respectively A solder joint (220) of the heating module is provided, the lead wire (230) is connected to the solder joint (220), and the connection area between the lead wire (230) and the solder joint (220) is connected to the gap ( 450 ) and the escape opening ( 530 ) are disposed opposite to each other, so that the lead wire ( 230 ) passes through the gap ( 450 ) and the escape opening ( 530 ).
13. The camera assembly according to claim 12, wherein when the heating sheet (200) is disposed on the inner surface (120) of the camera cover (100), the space between the two ends of the fan-shaped annular sheet The distance is not less than 1mm.
14. The camera assembly according to claim 11, wherein the heating plate (200) is made of a soft deformable material, and an inner surface (120) of the camera cover (100) is provided with a ring-shaped screen printing layer (140). ), the heating sheet (200) is pasted on the silk screen layer (140).
15. A silicone ring (400), comprising:

    The outer ring flanging (410), the inner ring flanging (420), the end face between the flanges (430) arranged between the outer ring flanging (410) and the inner ring flanging (420), and the outer ring flange The outer end face (440) of the flange on the outside of the side (410);

    An annular groove (480) is formed between the outer ring flanging (410), the inner ring flanging (420) and the end face (430) between the flanges, and the annular groove (480) ) for receiving the open end of the camera cover (100).
16. The silicone ring (400) according to claim 15, wherein a first surface perpendicular to the surface is provided on a surface of the outer ring flange (410) outside the annular groove (480). Rib(460);

    And/or, a second convex rib (470) perpendicular to the outer end surface of the flange (440) is provided on the outer end surface (440) of the flange.
17. The silicone ring (400) according to claim 16, wherein the compression ratio of the silicone ring (400) in each compression direction ranges from 0.2 to 0.4.

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