CN210075392U - Camera and monitoring system - Google Patents
Camera and monitoring system Download PDFInfo
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- CN210075392U CN210075392U CN201921231673.2U CN201921231673U CN210075392U CN 210075392 U CN210075392 U CN 210075392U CN 201921231673 U CN201921231673 U CN 201921231673U CN 210075392 U CN210075392 U CN 210075392U
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Abstract
The utility model relates to a supervisory equipment technical field, in particular to camera and monitored control system. The camera includes: a housing having a camera front cover; the camera lens is arranged on the camera front cover; the sensor fixing plate is arranged on the camera front cover corresponding to the camera lens and provided with a sensor mounting surface for mounting the sensor, and the included angle between the sensor mounting surface and the lens plane of the camera lens is less than or equal to 5 degrees. In actual use, the included angle between the sensor mounting surface and the optical axis center line of the camera lens is adjusted according to needs, so that the position relation among the image plane of the camera, the lens plane and the main body plane meets the Schlemm's law, all people or object images of an object plane observed by the camera can be clearly imaged on the imaging surface of the camera, the optimal recognition effect is obtained, and the monitoring requirement is met.
Description
Technical Field
The utility model relates to a supervisory equipment technical field, in particular to camera and monitored control system.
Background
The existing camera cannot obtain clear images of all objects or faces in an image plane in an actual monitoring range due to the limitation of the field depth when shooting the objects or faces, namely clear images of all objects or faces in the image plane in a main body plane in fig. 1.
Currently, social monitoring plays an important role in the field of security surveillance, but the existing camera can only recognize in a specific range during face recognition due to the reasons, so that the use of a user is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a camera and monitored control system for the personage or the thing image of the object plane that the camera was surveyed can all clearly form images on the imaging surface of camera, obtain the best recognition effect.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a camera, comprising:
a housing having a camera front cover;
the camera lens is arranged on the camera front cover;
the sensor fixing plate corresponds the camera lens set up in on the camera protecgulum, just the sensor fixing plate has the sensor installation face that is used for installing the sensor, the sensor installation face with the camera lens plane of camera lens is the contained angle that is less than or equal to 5.
It can be seen that, in the above-mentioned camera, the sensor fixing plate corresponds the camera lens and is set up on the camera protecgulum, in the in-service use, adjust the size of the contained angle between the optical axis central line of sensor installation face relative camera lens as required, make the image plane of camera, the position relation between lens plane and the main part plane satisfy the samm law, just can all clearly image the image of the figure or thing of the object plane that the camera was surveyed on the imaging surface of camera, obtain the best recognition effect, satisfy the control demand, especially use in the face identification field, can promote the safety precaution effect greatly.
Optionally, the camera front cover is formed with a mounting plane for mounting the sensor fixing plate, and a surface of the sensor fixing plate facing the mounting plane is parallel to the sensor mounting surface.
Optionally, the sensor fixing plate is mounted to the mounting plane through a bracket;
the bracket has a first plane for interfacing with the mounting plane and a second plane for mounting the sensor mounting plate.
Optionally, the mounting plane and the first plane are both perpendicular to an optical axis center line of the camera lens, and the second plane is parallel to the sensor mounting surface.
Optionally, the tail of the mounting screw passes through the sensor fixing plate and the bracket in sequence to be in threaded connection with the front cover of the camera.
Optionally, the bracket is fixed to the camera front cover by a mounting screw;
the sensor fixing plate is fixed on the bracket through gluing or buckling.
Optionally, the mounting plane is parallel to the sensor mounting face.
Optionally, an installation portion for installing the sensor fixing plate is formed on one side, facing the sensor fixing plate, of the camera front cover, and the installation portion faces the end face of the sensor fixing plate to form the installation plane.
Optionally, the mounting portion comprises at least three mounting lugs, and a top end surface of each mounting lug is coplanar to form the mounting plane.
A monitoring system comprising a camera as claimed in any one of the above aspects.
Drawings
FIG. 1 is a schematic diagram of the imaging principle of a prior art camera;
fig. 2 is an exploded view of a camera lens and a front cover portion of a camera according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a camera lens and a front cover portion of a camera according to an embodiment of the present invention;
fig. 4 is another schematic structural diagram of a camera lens and a camera front cover portion of a camera according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a camera lens and a camera front cover portion of a camera according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a camera lens and a camera front cover portion of another camera according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 2 to 6, an embodiment of the present invention provides a camera, including:
a housing having a camera front cover 1;
the camera lens 2 is arranged on the camera front cover 1;
the sensor fixing plate 3 is arranged on the camera front cover 1 corresponding to the camera lens 2, the sensor fixing plate 3 is provided with a sensor mounting surface for mounting a sensor, and an included angle formed between the sensor mounting surface and the lens plane of the camera lens 2 is less than or equal to 5 degrees.
In practical application, the plane of the lens of the camera lens 2 is a lens plane, the plane of the object to be shot is a main body plane, the plane of the sensor mounting surface is an image plane, the main body plane intersects with the lens plane, and the angle of the sensor mounting surface relative to the central line of the optical axis of the camera lens 2 is adjusted according to the positions of the main body plane and the lens plane, so that the image plane can also pass through the intersection line of the main body plane and the lens plane.
Under the above-mentioned theoretical support, as shown in fig. 2, the embodiment of the utility model provides a sensor fixed plate 3 sets up on camera protecgulum 1, camera lens 2's optical axis central line perpendicular to camera lens 2's lens, adjust the contained angle between the relative camera lens 2's of sensor installation face optical axis central line on the planar sensor fixed plate 3, can adjust the image plane for camera lens plane angle, can pass camera lens 2's camera lens plane and the planar intersecting line of main part by shooting object or personage to sensor installation face place plane, can satisfy the samm's law and obtain the clear image by shooting object or personage.
It can be seen that, in the above-mentioned camera, the sensor fixed plate 3 sets up on the camera protecgulum 1, in the in-service use, adjust the size of the contained angle between the optical axis central line of sensor installation face relative camera lens 2 as required, make the image plane of camera, the position relation between lens plane and the main part plane satisfy the samm law, just can all clearly image the image of people or things on the object plane that the camera was surveyed on the imaging surface of camera, obtain the best recognition effect, satisfy the control demand, especially use in the face identification field, can promote the safety precaution effect greatly.
It should be noted that, only an included angle of less than or equal to 5 ° is required between the sensor mounting surface on the sensor fixing plate 3 and the lens plane of the camera lens 2, so that the camera can satisfy the schem's law.
In a specific embodiment, the camera front cover 1 is formed with a mounting plane for mounting the sensor fixing plate 3, and a surface of the sensor fixing plate 3 facing the mounting plane is parallel to the sensor mounting surface. In the structure, the included angle between the surface of the front camera cover 1 and the lens plane of the camera lens 2, which is used for being installed on the sensor fixing plate 3, and the included angle between the sensor installation surface and the lens plane of the camera lens 2 are equal, and the structure between the sensor fixing plate 3 and the front camera cover 1 is adjusted, so that the plane where the sensor installation surface is located can penetrate through the intersection line of the lens plane of the camera lens 2 and the main body plane of the shot object or person.
Specifically, the following various embodiments are possible in the structure between the sensor fixing plate 3 and the camera front cover 1.
In a first mode
As shown in fig. 2 to 5, the sensor fixing plate 3 is mounted to a mounting plane of the camera front cover 1 through a bracket 4; wherein the bracket 4 has a first plane for interfacing with the mounting plane and a second plane for mounting the sensor fixing plate 3.
In use, the first plane of the bracket 4 is butted with the mounting plane of the front cover 1 of the camera, the second plane of the bracket 4 is butted with the sensor fixing plate 3, and the mounting structure of the sensor fixing plate 3 is completed, wherein the dotted line in fig. 2 to 5 refers to the optical axis central line of the camera lens 2, and the included angle α formed between the sensor mounting surface and the optical axis central line is complementary to the included angle formed between the sensor mounting surface of the sensor fixing plate 3 and the lens plane of the camera lens 2.
On the basis, in an achievable mode, the installation plane of the front cover 1 of the camera can be processed to form an included angle α between the installation plane and the central line of the optical axis, the installation plane is parallel to the sensor installation surface, the first plane of the bracket 4 is parallel to the second plane, and after the bracket 4 and the sensor fixing plate 3 are installed, the sensor installation surface of the sensor fixing plate 3 and the lens plane of the camera lens 2 form an included angle smaller than or equal to 5 degrees.
In another implementation manner, on the basis that the mounting plane is perpendicular to the central line of the optical axis of the camera lens 2, as shown in fig. 3, the second plane of the bracket 4 is processed, so that the first plane of the bracket 4 is parallel to the mounting plane, and an included angle between the first plane and the second plane is less than or equal to 5 °, and after the sensor fixing plate 3 to be detected is mounted on the bracket 4, an included angle between the sensor mounting surface of the sensor fixing plate 3 and the lens plane of the camera lens 2 is less than or equal to 5 °. In this structure, the second plane of the bracket 4 may be formed on the side away from the camera front cover 1, as shown in fig. 3, and the sensor fixing plate 3 is mounted on the side of the bracket 4 away from the camera front cover 1; at the moment, the plane of one side of the sensor fixing plate 3, on which the image sensor is fixed, is in butt joint with the second plane, and the space of the plane of the other side of the sensor fixing plate 3 is larger and is not contacted or shielded by other excessive parts, so that the heat dissipation of the image sensor is facilitated; a second plane of the bracket 4 may be formed at a side facing the camera front cover 1, as shown in fig. 4, a groove is formed at a first plane of the bracket 4, a bottom surface of the groove forms the second plane, and the sensor fixing plate 3 is installed at a side of the bracket 4 facing the camera front cover 1; in this embodiment, install sensor fixed plate 3 on support 4, can be so that in process of production, only need to change the contained angle of the first plane and the second plane of support 4, just can be nimble control the demand of contained angle between image sensor and the camera lens in order to adapt to different monitoring scenes, promoted production efficiency.
Further, in this embodiment, as shown in fig. 3 and 4, a side of the camera front cover 1 facing the sensor fixing plate 3 is formed with mounting bosses 11 for mounting the bracket 4, the number of the mounting bosses 11 is at least two, and tip end planes of the respective mounting bosses 11 are coplanar with the mounting plane. The mounting boss 11 provides a mounting pivot for the bracket 4 to be mounted on the camera front cover 1.
The connection relationship among the camera front cover 1, the bracket 4 and the sensor fixing plate 3 can be realized in various ways.
As shown in fig. 2, 3 and 4, the camera front cover further comprises a mounting screw 5, and the tail part of the mounting screw 5 penetrates through the sensor fixing plate 3 and the bracket 4 in sequence to be connected with the camera front cover 1 through screw threads. Specifically, through holes are provided in the sensor fixing plate 3 and the bracket 4 for the tail portions of the mounting screws 5 to pass through, and fixing holes for screw-fitting with the mounting screws 5 are formed in the side of the camera front cover 1 facing the bracket 4. Here, the fixing hole may be formed on the mounting boss 11 and the mounting screw 5 may be replaced with a bolt.
Alternatively, as shown in fig. 4, the bracket 4 is fixed to the front camera cover 1 by mounting screws 5, and the sensor fixing plate 3 is fixed to the bracket 4 by gluing or clipping. Specifically, a through hole for passing the mounting screw 5 is opened on the bracket 4, and a fixing hole for screwing with the mounting screw 5 is formed on one side of the camera front cover 1 facing the bracket 4. Besides, the sensor fixing plate 3 can be fixed to the bracket 4 by bonding or clamping, and other methods such as thermal fusion can be used. It should be noted that, in this connection relationship, the sequence of fixing the sensor fixing plate 3 to the bracket 4 and fixing the bracket 4 to the front cover 1 of the camera can be adjusted according to specific production requirements, and is not limited herein. Here, the fixing hole may be formed on the mounting boss 11 and the mounting screw 5 may be replaced with a bolt.
Mode two
As shown in fig. 6, a mounting portion for mounting the sensor fixing plate 3 is formed on a side of the camera front cover 1 facing the sensor fixing plate 3, and an end surface of the mounting portion facing the sensor fixing plate 3 forms the mounting plane.
In this manner, the sensor fixing plate 3 is directly mounted on the mounting plane formed by the mounting portion of the camera front cover 1, and since the mounting plane of the mounting portion is parallel to the sensor mounting surface, when the sensor fixing plate 3 is mounted on the mounting plane, the sensor mounting surface and the lens plane of the camera lens 2 form an included angle of 5 ° or less, the dotted line in fig. 6 refers to the optical axis center line of the camera lens 2, and the included angle α formed between the sensor mounting surface and the optical axis center line is complementary to the included angle formed between the sensor mounting surface of the sensor fixing plate 3 and the lens plane of the camera lens 2.
Preferably, the mounting portion includes at least three mounting bosses 5 formed on a side of the camera front cover 1 facing the sensor fixing plate 3, and top end surfaces of the mounting bosses 5 are coplanar to form a mounting plane. Taking the three mounting convex columns 5 as an example, the three mounting convex columns 5 can define a plane, and the plane defined by the coplanarity of the three top end surfaces can be used as the mounting plane for mounting the sensor fixing plate 3.
In this embodiment, the sensor fixing plate 3 may be fixed to the mounting boss 5 by a screw thread, and may be adhered to the mounting boss 5 by an adhesive, or may be fixed by other fixing methods such as thermal fusion.
It should be noted that both of the above embodiments are modifications of structures other than the sensor fixing plate 3, and it is needless to say that the sensor fixing plate 3 itself may be modified so that the sensor mounting surface on the sensor fixing plate 3 forms an angle of 5 ° or less with the lens plane of the camera lens 2.
Based on same thinking, the embodiment of the utility model provides a still provide a monitored control system, include as above-mentioned technical scheme provide any kind of camera, can gain all beneficial effects of above-mentioned camera, here is no longer repeated.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A camera, comprising:
a housing having a camera front cover;
the camera lens is arranged on the camera front cover;
the sensor fixing plate corresponds the camera lens set up in on the camera protecgulum, just the sensor fixing plate has the sensor installation face that is used for installing the sensor, the sensor installation face with the camera lens plane of camera lens is the contained angle that is less than or equal to 5.
2. The camera according to claim 1, wherein the camera front cover is formed with a mounting plane for mounting the sensor fixing plate, and a surface of the sensor fixing plate facing the mounting plane is parallel to the sensor mounting surface.
3. The camera of claim 2, wherein the sensor fixing plate is mounted to the mounting plane by a bracket;
the bracket has a first plane for interfacing with the mounting plane and a second plane for mounting the sensor mounting plate.
4. The camera of claim 3, wherein the mounting plane and the first plane are both perpendicular to an optical axis center line of the camera lens, and the second plane is parallel to the sensor mounting surface.
5. The camera of claim 3, further comprising a mounting screw, wherein a tail portion of the mounting screw penetrates through the sensor fixing plate and the bracket in sequence to be in threaded connection with the camera front cover.
6. The camera of claim 3, wherein the bracket is secured to the camera front cover by mounting screws;
the sensor fixing plate is fixed on the bracket through gluing or buckling.
7. The camera of claim 3, wherein a side of the camera front cover facing the sensor fixing plate is formed with at least two mounting bosses for mounting the bracket, and a top end plane of each of the mounting bosses is coplanar with the mounting plane.
8. The camera according to claim 2, wherein a side of the camera front cover facing the sensor fixing plate is formed with a mounting portion for mounting the sensor fixing plate, and an end surface of the mounting portion facing the sensor fixing plate forms the mounting plane.
9. The camera of claim 8, wherein the mounting portion includes at least three mounting posts, a top end surface of each of the mounting posts being coplanar to form the mounting plane.
10. A monitoring system, characterized in that it comprises a camera according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231673.2U CN210075392U (en) | 2019-08-01 | 2019-08-01 | Camera and monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231673.2U CN210075392U (en) | 2019-08-01 | 2019-08-01 | Camera and monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN210075392U true CN210075392U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921231673.2U Active CN210075392U (en) | 2019-08-01 | 2019-08-01 | Camera and monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113364938A (en) * | 2020-03-04 | 2021-09-07 | 浙江大华技术股份有限公司 | Depth of field extension system, method and device, control equipment and storage medium |
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2019
- 2019-08-01 CN CN201921231673.2U patent/CN210075392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113364938A (en) * | 2020-03-04 | 2021-09-07 | 浙江大华技术股份有限公司 | Depth of field extension system, method and device, control equipment and storage medium |
| CN113364938B (en) * | 2020-03-04 | 2022-09-16 | 浙江大华技术股份有限公司 | Depth of field extension system, method and device, control equipment and storage medium |
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