CN216819931U - Protective cover and monitoring camera - Google Patents
Protective cover and monitoring camera Download PDFInfo
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- CN216819931U CN216819931U CN202123197108.9U CN202123197108U CN216819931U CN 216819931 U CN216819931 U CN 216819931U CN 202123197108 U CN202123197108 U CN 202123197108U CN 216819931 U CN216819931 U CN 216819931U
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- cover body
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Abstract
The utility model discloses a protective cover which is used for covering a camera main body and comprises a cover body, wherein the appearance of the cover body is approximately the outline of a hemispherical segment body, the cover body is defined to cover the camera main body and is fixed to take one side facing an article as a front side, and the other side far away from the front side as a rear side; the front end of the cover body is a hemispherical part, and at least one side of the left side and the right side of the rear end of the cover body is an arc part extending backwards from the hemispherical part; when the rear end of the cover body is the arc-shaped part towards the outer side, the other side of the rear end of the cover body is the conical part with the diameter gradually increased from the front to the back. According to the utility model, the protective cover is designed into a super-hemispherical spherical segment structure, so that the refraction angles above and below the outward side of the protective cover are consistent, the image deviation is avoided, and the monitoring range of the monitoring camera is enlarged to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of cameras, in particular to a protective cover and a monitoring camera.
Background
The monitoring camera is an important assembly part in a safety protection system, is widely used in daily life, and a user can know the condition of a monitored area in real time or in a playback mode through the monitoring camera.
The monitoring camera with the spherical protective cover is widely used, and the spherical protective cover can be transparent or semitransparent or can transmit special light rays, so that the monitoring camera has better monitoring lens pointing concealment, and is more integrated into a monitoring scene in actual monitoring application.
Among the prior art, the appearance of surveillance camera machine's protection casing is the hemisphere type mostly, like chinese utility model patent application number is "CN 201420012624.0", and the name is "combined type hemisphere type protection casing that surveillance camera machine used", and it discloses including hemisphere type casing, the lower extreme of hemisphere type casing is equipped with the connection shoulder of outside extension, set up the breach of tile form on the hemisphere type casing, the gomphosis has the printing opacity piece of tile form on the breach, and the internal and external two sides of printing opacity piece all are plated and are increased printing opacity and subtract the reflection rete. The upper part of the protective cover in the patent is hemispherical, and the lower part of the protective cover is a conical part, so that the incident angles of light rays of the upper part and the lower part are different, imaging focuses on two sides of an optical axis of a monitoring camera are not overlapped, and the problem of image deviation can occur; in this field, in order to avoid the problem of image deviation, the optical axis position of the monitoring camera is usually adjusted, that is, the monitoring camera deviates by a certain angle to avoid the conical part, so that the monitoring range of the monitoring camera is reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a monitoring camera, which can ensure that the image does not shift while the monitoring range of the monitoring camera is not influenced.
The utility model adopts the following technical scheme:
a protective cover is used for covering a camera main body and comprises a cover body, wherein the shape of the cover body is approximately the outline of a hemispherical segment, and the cover body is defined to cover the camera main body and is fixed to enable one side facing an article to be a front side and the other side far away from the front side to be a rear side; the front end of the cover body is a hemispherical part, and at least one side of the left side and the right side of the rear end of the cover body is an arc part extending backwards from the hemispherical part; when the rear end of the cover body is an arc-shaped part towards one side, and the other side of the rear end of the cover body is a conical part with the diameter gradually increased from front to back.
Based on installation convenience and assembly optimization consideration, the rear end of the cover body is provided with an outwardly extending flange for clamping the rear end of the cover body with the camera main body.
In order to guarantee the equipment effect of protection casing, work as the rear end of the cover body is arc portion to one side outwards, the rear end opposite side of the cover body is the circular cone portion of diameter grow gradually backward in the past, arc portion still extends a steady transition portion backward, so that the end of arc portion with the end of circular cone portion is in the coplanar.
In order to avoid the influence of the protective cover on the effect of the monitoring camera, the inner side of the cover body protrudes inwards to form arc-shaped light-blocking strips, the number of the light-blocking strips is two, and the light-blocking strips divide the inner space of the cover body into a camera shooting area for mounting the camera device and a light-compensating area for mounting the light-compensating lamp device.
In order to facilitate the fixed connection of the cover body and the light blocking strip, the cover body and the light blocking strip are integrally formed by injection molding.
The utility model also provides a monitoring camera which comprises a camera main body and a protective cover, wherein the protective cover is any one of the protective covers, and the protective cover is covered on the camera main body.
The camera main part includes camera device and base, the protection casing is fixed in on the base, the camera device is located inside the protection casing, the definition behind the camera main part fixed mounting with one side of camera device towards article is the front side, keeps away from the opposite side of front side is the rear side.
After the scheme is adopted, the utility model has the following beneficial effects:
the shape of the protective cover is designed to be the outline of a rough hemispherical segment, and at least one side of the left side and the right side of the rear end of the protective cover is an arc part extending backwards from the hemispherical part; the refractive indexes of the hemispherical part at the front end and the arc part at the rear end are consistent, the incident angles of light rays are consistent, and the image offset problem is avoided; the protection casing adopts so setting, need not skew camera device to avoid circular cone portion, can guarantee monitoring range's maximize.
The utility model is described in further detail below with reference to the figures and the specific embodiments.
Drawings
FIG. 1 is a light ray diagram of a prior art surveillance camera;
fig. 2 is a schematic structural view of a shield according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of light incidence in example 1 of the present invention;
FIG. 4 is a schematic view of another angle of the shield according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a shield according to embodiment 2 of the present invention;
FIG. 6 is a schematic structural view of embodiment 3 of the present invention;
fig. 7 is a cross-sectional view of fig. 6.
Description of reference numerals:
the camera comprises a protective cover 10, a cover body 1, a hemispherical part 11, an arc part 12, a conical part 13, a transition part 14, a flange 15, a light blocking strip 2, an image pickup area 101, a light supplement area 102 and a camera main body 20.
Detailed Description
To further illustrate the various embodiments, the utility model provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
Meanwhile, the directions of front, rear, left, right, and the like referred to in the present embodiment are only used as a reference for one direction, and do not represent directions in actual use.
The utility model will now be further described with reference to the accompanying drawings and detailed description.
Example 1:
referring to fig. 2 to 4, as a preferred embodiment of the present invention, a protective cover is provided for covering a camera main body, and includes a cover body 1, where the shape of the cover body 1 is substantially the outline of a segment of a hyper-hemisphere. In this embodiment, the direction of the cover body 1 covering the camera body and being fixedly mounted in the use state is taken as a description direction, that is, one side of the monitoring camera facing the outside is taken as a front side, the other side far away from the front side is taken as a rear side, and the front side and the rear side which are positioned on a vertical surface and are perpendicular to the top side and the bottom side are taken as the front side and the rear side. The front part of the cover body 1 is a hemisphere part 11, the rear end of the cover body 1 towards the outside is an arc part 12 extending backwards from the hemisphere part 11, and the rear end of the cover body 1 towards the inside is a cone part 13 with gradually increasing diameter from the front to the back.
Referring to fig. 1, in the related art, the upper portion of the monitoring camera is a semicircular portion, and the lower portion of the monitoring camera is a conical portion, and the semicircular portion does not directly extend through the upper portion, so that the incident angle of the light beam at the upper portion is not consistent with the incident angle of the light beam at the lower portion, and the light beams at the two sides of the optical axis respectively penetrate through the upper portion and the lower portion and are incident on the focal points F1 and F2 of the monitoring camera, so that the image offset problem is likely to occur, and the image imaging is affected. In the present embodiment, the outward side of the rear end of the cover body 1 is designed as the arc-shaped portion 12 extending rearward from the hemispherical portion 11, so as to refer to fig. 2 and fig. 3, the refractive indexes of the front end and the rear end of the cover body 1 are made to be consistent, the incident angle of the hemispherical portion 11 is made to be consistent with the incident angle of the arc-shaped portion 12, the light rays at both sides of the optical axis penetrate through the hemispherical portion and the hyper-hemispherical portion respectively and are incident on the focal points F1 and F2 of the monitoring camera, and F1 and F2 are overlapped, so that the imaging at both sides of the optical axis of the monitoring camera is not affected, the problem of image shift is avoided, and the imaging effect of the image is improved; in addition, the camera device does not need to be shifted by a certain angle to avoid the part with inconsistent incident angles in the prior art, so that the monitoring range is reduced; the monitoring range of the present invention is the semicircular part 11 and the arc part 12 of the cover body, so that the monitoring range is maximized. Because the cover body 1 is installed on the camera main body, and when the monitoring camera is installed and fixed on a certain plane for use, the side facing outwards is the side facing the object, the side facing inwards of the rear end of the cover body 1 is usually the direction facing the wall or back to the object, and the side facing inwards is usually the part not covered by monitoring, so the side facing inwards is designed into a common conical part 13, and the side facing outwards is designed into an arc part 12, which is convenient for assembly and manufacture and can also achieve the purpose of avoiding image deviation.
Because the arc portion 12 is formed by extending the hemisphere portion backwards, the bending range of the arc portion 12 is smaller than that of the cone portion 13, and in order to ensure the assembling effect, the arc portion 12 further extends a stable transition portion 14 backwards, so that the tail end of the arc portion and the tail end of the cone portion are located on the same plane. Finally, in order to facilitate the cover body 1 to cover the camera body, the ends of the arc-shaped part 12 and the conical part 13 are provided with flanges 15 extending outwards, and the rear end of the cover body 1 can be conveniently clamped with the camera body through the flanges 15, so that the cover body 1 is connected with the camera body.
Referring to fig. 4, in order to avoid the effect of the protective cover on the monitoring camera, the inner side of the cover body 1 protrudes inwards to form two arc-shaped light blocking strips 2, and the light blocking strips 2 divide the inner space of the cover body 1 into a camera shooting area 101 for installing the camera device and a light supplementing area 102 for installing the light supplementing lamp device. The light blocking strip 2 is made of light-tight materials, light rays emitted by the light supplementing lamp device can be blocked by the light blocking strip 2, the light rays enter the camera main body through the reflection of the protective cover, and the imaging effect that the monitoring camera images are obstructed due to the fact that the surface of the protective cover is dirty is avoided. In order to facilitate the fixed connection between the cover body 1 and the light blocking strip 2, in this embodiment, the cover body 1 and the light blocking strip 2 are formed integrally by injection molding, and are stably connected, so that the light blocking strip 101 is not easily separated. Of course, in other embodiments, the protective cover 1 and the light blocking strip 101 may be fixed by other fixing methods, such as a snap-fit connection and a slot-fit connection, which are not limited herein.
Example 2:
referring to fig. 5, similar to the cover 1 of embodiment 2, the present embodiment provides another cover 1, which has a structure substantially the same as the cover 1 of embodiment 1, except that the cover 1 has an external contour of a hemispherical segment.
The front part of the cover body 1 is a hemispherical part 11, and the left side and the right side of the rear end of the cover body 1 at the rear end of the cover body 1 are arc parts 12 with the hemispherical part 11 extending backwards; thus, the consistency of the overall refractive index of the cover body 1 is ensured, the consistency of the incident angle of the semicircular part 11 and the incident angle of the arc-shaped part 12 is ensured, the problem of image deviation is avoided, and the image imaging effect is improved; for guaranteeing the assembly effect, arc portion 12 still extends a steady transition portion 14 backward to make the end of arc portion 12 expand towards both sides, make things convenient for camera major structure card to locate in the cover body 1, locate in the camera main part for making things convenient for cover body 1 cover at last, be equipped with the flange 15 of outside extension at the rear end of the cover body 1, can conveniently be connected the rear end and the camera main part joint of the cover body 1 through this flange 15, thereby realize cover body 1 and camera main part be connected. Similarly, in order to avoid the influence of the protective cover on the effect of the monitoring camera, the inner side of the cover body 1 protrudes inwards to form two arc-shaped light blocking strips 2, and the light blocking strips 2 divide the inner space of the cover body 1 into a camera shooting area 101 for installing a camera device and a light supplementing area 102 for installing a light supplementing lamp device.
Example 3:
referring to fig. 6 to 7, the present invention further provides a monitoring camera including a camera main body 20 and a protection cover, where the protection cover is the protection cover 10 described in embodiment 1 or embodiment 2, and the protection cover 10 covers the camera main body 20. The camera body 20 comprises a camera device and a base, the protective cover 10 is fixed on the base, the camera device is located inside the protective cover 10, one side of the camera device facing an article is defined as a front side after the camera body is fixedly installed, and the other side of the camera device away from the front side is a rear side.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a protection casing for the cover is established on the camera main part, its characterized in that: the camera cover comprises a cover body, wherein the shape of the cover body is approximately the outline of a hemispherical segment body, and the cover body is defined to cover the camera main body and is fixed to form a front side facing to one side of an article, and a rear side facing away from the front side; the front end of the cover body is a hemispherical part, and at least one side of the left side and the right side of the rear end of the cover body is an arc part extending backwards from the hemispherical part; when the rear end of the cover body is an arc-shaped part towards one side, and the other side of the rear end of the cover body is a conical part with the diameter gradually increased from front to back.
2. The shield of claim 1, wherein: the rear end of the cover body is provided with an outwardly extending flange for clamping the rear end of the cover body with the camera main body.
3. The shield of claim 1, wherein: when the rear end of the cover body is an arc-shaped part towards the outer side, and the other side of the rear end of the cover body is a conical part with the diameter gradually increasing from front to back, the arc-shaped part also extends backwards to form a stable transition part, so that the tail end of the arc-shaped part and the tail end of the conical part are positioned on the same plane.
4. The shield of claim 1, wherein: the inner side of the cover body protrudes inwards to form arc-shaped light blocking strips, the number of the light blocking strips is two, and the light blocking strips divide the inner space of the cover body into a camera shooting area for mounting a camera device and a light supplementing area for mounting a light supplementing lamp device.
5. The shield of claim 4, wherein: the cover body and the light blocking strip are integrally formed through injection molding.
6. A surveillance camera, characterized by: the protective cover comprises a camera body and a protective cover, wherein the protective cover is the protective cover of any one of claims 1 to 5, and the protective cover is arranged on the camera body.
7. The monitoring camera according to claim 6, characterized in that: the camera main part includes camera device and base, the protection casing is fixed in on the base, the camera device is located inside the protection casing, the definition behind the camera main part fixed mounting with one side of camera device towards article is the front side, keeps away from the opposite side of front side is the rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197108.9U CN216819931U (en) | 2021-12-17 | 2021-12-17 | Protective cover and monitoring camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197108.9U CN216819931U (en) | 2021-12-17 | 2021-12-17 | Protective cover and monitoring camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216819931U true CN216819931U (en) | 2022-06-24 |
Family
ID=82054641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123197108.9U Active CN216819931U (en) | 2021-12-17 | 2021-12-17 | Protective cover and monitoring camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216819931U (en) |
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2021
- 2021-12-17 CN CN202123197108.9U patent/CN216819931U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221027 Address after: Room 401, No. 37, Xishanwei Road, Phase III, Torch High tech Zone, Xiamen, Fujian, 361000 Patentee after: XIAMEN XINGZHONG WULIAN TECHNOLOGY Co.,Ltd. Address before: 361000 Room 202, No.23, erwanghailu, software park, Xiamen City, Fujian Province Patentee before: Xiamen Xingzong Intelligent Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |